+ Type out the score calculation method for each of the problems. The total score of the user will be calculated as a sum of individual scores for the problems by using the same formula on all the solved or attempted problems.
+ You can use any of the following variables in your calculation:
+ $attempts The number of attempts by the user for that problem.
+ $points Maximum points alloted for that question.
+ $score Score to be awarded for that problem.
+ The formula uses PHP styled syntax. Make sure you end each statement with a ;
":"")}})(window.jQuery);
\ No newline at end of file
diff --git a/js/clike.js b/js/clike.js
new file mode 100644
index 0000000..3fcc1a7
--- /dev/null
+++ b/js/clike.js
@@ -0,0 +1,361 @@
+CodeMirror.defineMode("clike", function(config, parserConfig) {
+ var indentUnit = config.indentUnit,
+ statementIndentUnit = parserConfig.statementIndentUnit || indentUnit,
+ dontAlignCalls = parserConfig.dontAlignCalls,
+ keywords = parserConfig.keywords || {},
+ builtin = parserConfig.builtin || {},
+ blockKeywords = parserConfig.blockKeywords || {},
+ atoms = parserConfig.atoms || {},
+ hooks = parserConfig.hooks || {},
+ multiLineStrings = parserConfig.multiLineStrings;
+ var isOperatorChar = /[+\-*&%=<>!?|\/]/;
+
+ var curPunc;
+
+ function tokenBase(stream, state) {
+ var ch = stream.next();
+ if (hooks[ch]) {
+ var result = hooks[ch](stream, state);
+ if (result !== false) return result;
+ }
+ if (ch == '"' || ch == "'") {
+ state.tokenize = tokenString(ch);
+ return state.tokenize(stream, state);
+ }
+ if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
+ curPunc = ch;
+ return null;
+ }
+ if (/\d/.test(ch)) {
+ stream.eatWhile(/[\w\.]/);
+ return "number";
+ }
+ if (ch == "/") {
+ if (stream.eat("*")) {
+ state.tokenize = tokenComment;
+ return tokenComment(stream, state);
+ }
+ if (stream.eat("/")) {
+ stream.skipToEnd();
+ return "comment";
+ }
+ }
+ if (isOperatorChar.test(ch)) {
+ stream.eatWhile(isOperatorChar);
+ return "operator";
+ }
+ stream.eatWhile(/[\w\$_]/);
+ var cur = stream.current();
+ if (keywords.propertyIsEnumerable(cur)) {
+ if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
+ return "keyword";
+ }
+ if (builtin.propertyIsEnumerable(cur)) {
+ if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
+ return "builtin";
+ }
+ if (atoms.propertyIsEnumerable(cur)) return "atom";
+ return "variable";
+ }
+
+ function tokenString(quote) {
+ return function(stream, state) {
+ var escaped = false, next, end = false;
+ while ((next = stream.next()) != null) {
+ if (next == quote && !escaped) {end = true; break;}
+ escaped = !escaped && next == "\\";
+ }
+ if (end || !(escaped || multiLineStrings))
+ state.tokenize = null;
+ return "string";
+ };
+ }
+
+ function tokenComment(stream, state) {
+ var maybeEnd = false, ch;
+ while (ch = stream.next()) {
+ if (ch == "/" && maybeEnd) {
+ state.tokenize = null;
+ break;
+ }
+ maybeEnd = (ch == "*");
+ }
+ return "comment";
+ }
+
+ function Context(indented, column, type, align, prev) {
+ this.indented = indented;
+ this.column = column;
+ this.type = type;
+ this.align = align;
+ this.prev = prev;
+ }
+ function pushContext(state, col, type) {
+ var indent = state.indented;
+ if (state.context && state.context.type == "statement")
+ indent = state.context.indented;
+ return state.context = new Context(indent, col, type, null, state.context);
+ }
+ function popContext(state) {
+ var t = state.context.type;
+ if (t == ")" || t == "]" || t == "}")
+ state.indented = state.context.indented;
+ return state.context = state.context.prev;
+ }
+
+ // Interface
+
+ return {
+ startState: function(basecolumn) {
+ return {
+ tokenize: null,
+ context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
+ indented: 0,
+ startOfLine: true
+ };
+ },
+
+ token: function(stream, state) {
+ var ctx = state.context;
+ if (stream.sol()) {
+ if (ctx.align == null) ctx.align = false;
+ state.indented = stream.indentation();
+ state.startOfLine = true;
+ }
+ if (stream.eatSpace()) return null;
+ curPunc = null;
+ var style = (state.tokenize || tokenBase)(stream, state);
+ if (style == "comment" || style == "meta") return style;
+ if (ctx.align == null) ctx.align = true;
+
+ if ((curPunc == ";" || curPunc == ":" || curPunc == ",") && ctx.type == "statement") popContext(state);
+ else if (curPunc == "{") pushContext(state, stream.column(), "}");
+ else if (curPunc == "[") pushContext(state, stream.column(), "]");
+ else if (curPunc == "(") pushContext(state, stream.column(), ")");
+ else if (curPunc == "}") {
+ while (ctx.type == "statement") ctx = popContext(state);
+ if (ctx.type == "}") ctx = popContext(state);
+ while (ctx.type == "statement") ctx = popContext(state);
+ }
+ else if (curPunc == ctx.type) popContext(state);
+ else if (((ctx.type == "}" || ctx.type == "top") && curPunc != ';') || (ctx.type == "statement" && curPunc == "newstatement"))
+ pushContext(state, stream.column(), "statement");
+ state.startOfLine = false;
+ return style;
+ },
+
+ indent: function(state, textAfter) {
+ if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass;
+ var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
+ if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev;
+ var closing = firstChar == ctx.type;
+ if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit);
+ else if (ctx.align && (!dontAlignCalls || ctx.type != ")")) return ctx.column + (closing ? 0 : 1);
+ else if (ctx.type == ")" && !closing) return ctx.indented + statementIndentUnit;
+ else return ctx.indented + (closing ? 0 : indentUnit);
+ },
+
+ electricChars: "{}",
+ blockCommentStart: "/*",
+ blockCommentEnd: "*/",
+ lineComment: "//"
+ };
+});
+
+(function() {
+ function words(str) {
+ var obj = {}, words = str.split(" ");
+ for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
+ return obj;
+ }
+ var cKeywords = "auto if break int case long char register continue return default short do sizeof " +
+ "double static else struct entry switch extern typedef float union for unsigned " +
+ "goto while enum void const signed volatile";
+
+ function cppHook(stream, state) {
+ if (!state.startOfLine) return false;
+ for (;;) {
+ if (stream.skipTo("\\")) {
+ stream.next();
+ if (stream.eol()) {
+ state.tokenize = cppHook;
+ break;
+ }
+ } else {
+ stream.skipToEnd();
+ state.tokenize = null;
+ break;
+ }
+ }
+ return "meta";
+ }
+
+ // C#-style strings where "" escapes a quote.
+ function tokenAtString(stream, state) {
+ var next;
+ while ((next = stream.next()) != null) {
+ if (next == '"' && !stream.eat('"')) {
+ state.tokenize = null;
+ break;
+ }
+ }
+ return "string";
+ }
+
+ function mimes(ms, mode) {
+ for (var i = 0; i < ms.length; ++i) CodeMirror.defineMIME(ms[i], mode);
+ }
+
+ mimes(["text/x-csrc", "text/x-c", "text/x-chdr"], {
+ name: "clike",
+ keywords: words(cKeywords),
+ blockKeywords: words("case do else for if switch while struct"),
+ atoms: words("null"),
+ hooks: {"#": cppHook}
+ });
+ mimes(["text/x-c++src", "text/x-c++hdr"], {
+ name: "clike",
+ keywords: words(cKeywords + " asm dynamic_cast namespace reinterpret_cast try bool explicit new " +
+ "static_cast typeid catch operator template typename class friend private " +
+ "this using const_cast inline public throw virtual delete mutable protected " +
+ "wchar_t"),
+ blockKeywords: words("catch class do else finally for if struct switch try while"),
+ atoms: words("true false null"),
+ hooks: {"#": cppHook}
+ });
+ CodeMirror.defineMIME("text/x-java", {
+ name: "clike",
+ keywords: words("abstract assert boolean break byte case catch char class const continue default " +
+ "do double else enum extends final finally float for goto if implements import " +
+ "instanceof int interface long native new package private protected public " +
+ "return short static strictfp super switch synchronized this throw throws transient " +
+ "try void volatile while"),
+ blockKeywords: words("catch class do else finally for if switch try while"),
+ atoms: words("true false null"),
+ hooks: {
+ "@": function(stream) {
+ stream.eatWhile(/[\w\$_]/);
+ return "meta";
+ }
+ }
+ });
+ CodeMirror.defineMIME("text/x-csharp", {
+ name: "clike",
+ keywords: words("abstract as base break case catch checked class const continue" +
+ " default delegate do else enum event explicit extern finally fixed for" +
+ " foreach goto if implicit in interface internal is lock namespace new" +
+ " operator out override params private protected public readonly ref return sealed" +
+ " sizeof stackalloc static struct switch this throw try typeof unchecked" +
+ " unsafe using virtual void volatile while add alias ascending descending dynamic from get" +
+ " global group into join let orderby partial remove select set value var yield"),
+ blockKeywords: words("catch class do else finally for foreach if struct switch try while"),
+ builtin: words("Boolean Byte Char DateTime DateTimeOffset Decimal Double" +
+ " Guid Int16 Int32 Int64 Object SByte Single String TimeSpan UInt16 UInt32" +
+ " UInt64 bool byte char decimal double short int long object" +
+ " sbyte float string ushort uint ulong"),
+ atoms: words("true false null"),
+ hooks: {
+ "@": function(stream, state) {
+ if (stream.eat('"')) {
+ state.tokenize = tokenAtString;
+ return tokenAtString(stream, state);
+ }
+ stream.eatWhile(/[\w\$_]/);
+ return "meta";
+ }
+ }
+ });
+ CodeMirror.defineMIME("text/x-scala", {
+ name: "clike",
+ keywords: words(
+
+ /* scala */
+ "abstract case catch class def do else extends false final finally for forSome if " +
+ "implicit import lazy match new null object override package private protected return " +
+ "sealed super this throw trait try trye type val var while with yield _ : = => <- <: " +
+ "<% >: # @ " +
+
+ /* package scala */
+ "assert assume require print println printf readLine readBoolean readByte readShort " +
+ "readChar readInt readLong readFloat readDouble " +
+
+ "AnyVal App Application Array BufferedIterator BigDecimal BigInt Char Console Either " +
+ "Enumeration Equiv Error Exception Fractional Function IndexedSeq Integral Iterable " +
+ "Iterator List Map Numeric Nil NotNull Option Ordered Ordering PartialFunction PartialOrdering " +
+ "Product Proxy Range Responder Seq Serializable Set Specializable Stream StringBuilder " +
+ "StringContext Symbol Throwable Traversable TraversableOnce Tuple Unit Vector :: #:: " +
+
+ /* package java.lang */
+ "Boolean Byte Character CharSequence Class ClassLoader Cloneable Comparable " +
+ "Compiler Double Exception Float Integer Long Math Number Object Package Pair Process " +
+ "Runtime Runnable SecurityManager Short StackTraceElement StrictMath String " +
+ "StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void"
+
+
+ ),
+ blockKeywords: words("catch class do else finally for forSome if match switch try while"),
+ atoms: words("true false null"),
+ hooks: {
+ "@": function(stream) {
+ stream.eatWhile(/[\w\$_]/);
+ return "meta";
+ }
+ }
+ });
+ mimes(["x-shader/x-vertex", "x-shader/x-fragment"], {
+ name: "clike",
+ keywords: words("float int bool void " +
+ "vec2 vec3 vec4 ivec2 ivec3 ivec4 bvec2 bvec3 bvec4 " +
+ "mat2 mat3 mat4 " +
+ "sampler1D sampler2D sampler3D samplerCube " +
+ "sampler1DShadow sampler2DShadow" +
+ "const attribute uniform varying " +
+ "break continue discard return " +
+ "for while do if else struct " +
+ "in out inout"),
+ blockKeywords: words("for while do if else struct"),
+ builtin: words("radians degrees sin cos tan asin acos atan " +
+ "pow exp log exp2 sqrt inversesqrt " +
+ "abs sign floor ceil fract mod min max clamp mix step smootstep " +
+ "length distance dot cross normalize ftransform faceforward " +
+ "reflect refract matrixCompMult " +
+ "lessThan lessThanEqual greaterThan greaterThanEqual " +
+ "equal notEqual any all not " +
+ "texture1D texture1DProj texture1DLod texture1DProjLod " +
+ "texture2D texture2DProj texture2DLod texture2DProjLod " +
+ "texture3D texture3DProj texture3DLod texture3DProjLod " +
+ "textureCube textureCubeLod " +
+ "shadow1D shadow2D shadow1DProj shadow2DProj " +
+ "shadow1DLod shadow2DLod shadow1DProjLod shadow2DProjLod " +
+ "dFdx dFdy fwidth " +
+ "noise1 noise2 noise3 noise4"),
+ atoms: words("true false " +
+ "gl_FragColor gl_SecondaryColor gl_Normal gl_Vertex " +
+ "gl_MultiTexCoord0 gl_MultiTexCoord1 gl_MultiTexCoord2 gl_MultiTexCoord3 " +
+ "gl_MultiTexCoord4 gl_MultiTexCoord5 gl_MultiTexCoord6 gl_MultiTexCoord7 " +
+ "gl_FogCoord " +
+ "gl_Position gl_PointSize gl_ClipVertex " +
+ "gl_FrontColor gl_BackColor gl_FrontSecondaryColor gl_BackSecondaryColor " +
+ "gl_TexCoord gl_FogFragCoord " +
+ "gl_FragCoord gl_FrontFacing " +
+ "gl_FragColor gl_FragData gl_FragDepth " +
+ "gl_ModelViewMatrix gl_ProjectionMatrix gl_ModelViewProjectionMatrix " +
+ "gl_TextureMatrix gl_NormalMatrix gl_ModelViewMatrixInverse " +
+ "gl_ProjectionMatrixInverse gl_ModelViewProjectionMatrixInverse " +
+ "gl_TexureMatrixTranspose gl_ModelViewMatrixInverseTranspose " +
+ "gl_ProjectionMatrixInverseTranspose " +
+ "gl_ModelViewProjectionMatrixInverseTranspose " +
+ "gl_TextureMatrixInverseTranspose " +
+ "gl_NormalScale gl_DepthRange gl_ClipPlane " +
+ "gl_Point gl_FrontMaterial gl_BackMaterial gl_LightSource gl_LightModel " +
+ "gl_FrontLightModelProduct gl_BackLightModelProduct " +
+ "gl_TextureColor gl_EyePlaneS gl_EyePlaneT gl_EyePlaneR gl_EyePlaneQ " +
+ "gl_FogParameters " +
+ "gl_MaxLights gl_MaxClipPlanes gl_MaxTextureUnits gl_MaxTextureCoords " +
+ "gl_MaxVertexAttribs gl_MaxVertexUniformComponents gl_MaxVaryingFloats " +
+ "gl_MaxVertexTextureImageUnits gl_MaxTextureImageUnits " +
+ "gl_MaxFragmentUniformComponents gl_MaxCombineTextureImageUnits " +
+ "gl_MaxDrawBuffers"),
+ hooks: {"#": cppHook}
+ });
+}());
diff --git a/js/closebrackets.js b/js/closebrackets.js
new file mode 100644
index 0000000..6fbf38a
--- /dev/null
+++ b/js/closebrackets.js
@@ -0,0 +1,80 @@
+(function() {
+ var DEFAULT_BRACKETS = "()[]{}''\"\"";
+ var DEFAULT_EXPLODE_ON_ENTER = "[]{}";
+ var SPACE_CHAR_REGEX = /\s/;
+
+ CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) {
+ if (old != CodeMirror.Init && old)
+ cm.removeKeyMap("autoCloseBrackets");
+ if (!val) return;
+ var pairs = DEFAULT_BRACKETS, explode = DEFAULT_EXPLODE_ON_ENTER;
+ if (typeof val == "string") pairs = val;
+ else if (typeof val == "object") {
+ if (val.pairs != null) pairs = val.pairs;
+ if (val.explode != null) explode = val.explode;
+ }
+ var map = buildKeymap(pairs);
+ if (explode) map.Enter = buildExplodeHandler(explode);
+ cm.addKeyMap(map);
+ });
+
+ function charsAround(cm, pos) {
+ var str = cm.getRange(CodeMirror.Pos(pos.line, pos.ch - 1),
+ CodeMirror.Pos(pos.line, pos.ch + 1));
+ return str.length == 2 ? str : null;
+ }
+
+ function buildKeymap(pairs) {
+ var map = {
+ name : "autoCloseBrackets",
+ Backspace: function(cm) {
+ if (cm.somethingSelected()) return CodeMirror.Pass;
+ var cur = cm.getCursor(), around = charsAround(cm, cur);
+ if (around && pairs.indexOf(around) % 2 == 0)
+ cm.replaceRange("", CodeMirror.Pos(cur.line, cur.ch - 1), CodeMirror.Pos(cur.line, cur.ch + 1));
+ else
+ return CodeMirror.Pass;
+ }
+ };
+ var closingBrackets = "";
+ for (var i = 0; i < pairs.length; i += 2) (function(left, right) {
+ if (left != right) closingBrackets += right;
+ function surround(cm) {
+ var selection = cm.getSelection();
+ cm.replaceSelection(left + selection + right);
+ }
+ function maybeOverwrite(cm) {
+ var cur = cm.getCursor(), ahead = cm.getRange(cur, CodeMirror.Pos(cur.line, cur.ch + 1));
+ if (ahead != right || cm.somethingSelected()) return CodeMirror.Pass;
+ else cm.execCommand("goCharRight");
+ }
+ map["'" + left + "'"] = function(cm) {
+ if (left == "'" && cm.getTokenAt(cm.getCursor()).type == "comment")
+ return CodeMirror.Pass;
+ if (cm.somethingSelected()) return surround(cm);
+ if (left == right && maybeOverwrite(cm) != CodeMirror.Pass) return;
+ var cur = cm.getCursor(), ahead = CodeMirror.Pos(cur.line, cur.ch + 1);
+ var line = cm.getLine(cur.line), nextChar = line.charAt(cur.ch);
+ if (line.length == cur.ch || closingBrackets.indexOf(nextChar) >= 0 || SPACE_CHAR_REGEX.test(nextChar))
+ cm.replaceSelection(left + right, {head: ahead, anchor: ahead});
+ else
+ return CodeMirror.Pass;
+ };
+ if (left != right) map["'" + right + "'"] = maybeOverwrite;
+ })(pairs.charAt(i), pairs.charAt(i + 1));
+ return map;
+ }
+
+ function buildExplodeHandler(pairs) {
+ return function(cm) {
+ var cur = cm.getCursor(), around = charsAround(cm, cur);
+ if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;
+ cm.operation(function() {
+ var newPos = CodeMirror.Pos(cur.line + 1, 0);
+ cm.replaceSelection("\n\n", {anchor: newPos, head: newPos}, "+input");
+ cm.indentLine(cur.line + 1, null, true);
+ cm.indentLine(cur.line + 2, null, true);
+ });
+ };
+ }
+})();
diff --git a/js/codemirror.js b/js/codemirror.js
new file mode 100644
index 0000000..ac0f324
--- /dev/null
+++ b/js/codemirror.js
@@ -0,0 +1,5715 @@
+// CodeMirror version 3.14
+//
+// CodeMirror is the only global var we claim
+window.CodeMirror = (function() {
+ "use strict";
+
+ // BROWSER SNIFFING
+
+ // Crude, but necessary to handle a number of hard-to-feature-detect
+ // bugs and behavior differences.
+ var gecko = /gecko\/\d/i.test(navigator.userAgent);
+ var ie = /MSIE \d/.test(navigator.userAgent);
+ var ie_lt8 = ie && (document.documentMode == null || document.documentMode < 8);
+ var ie_lt9 = ie && (document.documentMode == null || document.documentMode < 9);
+ var webkit = /WebKit\//.test(navigator.userAgent);
+ var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(navigator.userAgent);
+ var chrome = /Chrome\//.test(navigator.userAgent);
+ var opera = /Opera\//.test(navigator.userAgent);
+ var safari = /Apple Computer/.test(navigator.vendor);
+ var khtml = /KHTML\//.test(navigator.userAgent);
+ var mac_geLion = /Mac OS X 1\d\D([7-9]|\d\d)\D/.test(navigator.userAgent);
+ var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(navigator.userAgent);
+ var phantom = /PhantomJS/.test(navigator.userAgent);
+
+ var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent);
+ // This is woefully incomplete. Suggestions for alternative methods welcome.
+ var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(navigator.userAgent);
+ var mac = ios || /Mac/.test(navigator.platform);
+ var windows = /windows/i.test(navigator.platform);
+
+ var opera_version = opera && navigator.userAgent.match(/Version\/(\d*\.\d*)/);
+ if (opera_version) opera_version = Number(opera_version[1]);
+ // Some browsers use the wrong event properties to signal cmd/ctrl on OS X
+ var flipCtrlCmd = mac && (qtwebkit || opera && (opera_version == null || opera_version < 12.11));
+ var captureMiddleClick = gecko || (ie && !ie_lt9);
+
+ // Optimize some code when these features are not used
+ var sawReadOnlySpans = false, sawCollapsedSpans = false;
+
+ // CONSTRUCTOR
+
+ function CodeMirror(place, options) {
+ if (!(this instanceof CodeMirror)) return new CodeMirror(place, options);
+
+ this.options = options = options || {};
+ // Determine effective options based on given values and defaults.
+ for (var opt in defaults) if (!options.hasOwnProperty(opt) && defaults.hasOwnProperty(opt))
+ options[opt] = defaults[opt];
+ setGuttersForLineNumbers(options);
+
+ var docStart = typeof options.value == "string" ? 0 : options.value.first;
+ var display = this.display = makeDisplay(place, docStart);
+ display.wrapper.CodeMirror = this;
+ updateGutters(this);
+ if (options.autofocus && !mobile) focusInput(this);
+
+ this.state = {keyMaps: [],
+ overlays: [],
+ modeGen: 0,
+ overwrite: false, focused: false,
+ suppressEdits: false, pasteIncoming: false,
+ draggingText: false,
+ highlight: new Delayed()};
+
+ themeChanged(this);
+ if (options.lineWrapping)
+ this.display.wrapper.className += " CodeMirror-wrap";
+
+ var doc = options.value;
+ if (typeof doc == "string") doc = new Doc(options.value, options.mode);
+ operation(this, attachDoc)(this, doc);
+
+ // Override magic textarea content restore that IE sometimes does
+ // on our hidden textarea on reload
+ if (ie) setTimeout(bind(resetInput, this, true), 20);
+
+ registerEventHandlers(this);
+ // IE throws unspecified error in certain cases, when
+ // trying to access activeElement before onload
+ var hasFocus; try { hasFocus = (document.activeElement == display.input); } catch(e) { }
+ if (hasFocus || (options.autofocus && !mobile)) setTimeout(bind(onFocus, this), 20);
+ else onBlur(this);
+
+ operation(this, function() {
+ for (var opt in optionHandlers)
+ if (optionHandlers.propertyIsEnumerable(opt))
+ optionHandlers[opt](this, options[opt], Init);
+ for (var i = 0; i < initHooks.length; ++i) initHooks[i](this);
+ })();
+ }
+
+ // DISPLAY CONSTRUCTOR
+
+ function makeDisplay(place, docStart) {
+ var d = {};
+
+ var input = d.input = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none; font-size: 4px;");
+ if (webkit) input.style.width = "1000px";
+ else input.setAttribute("wrap", "off");
+ // if border: 0; -- iOS fails to open keyboard (issue #1287)
+ if (ios) input.style.border = "1px solid black";
+ input.setAttribute("autocorrect", "off"); input.setAttribute("autocapitalize", "off"); input.setAttribute("spellcheck", "false");
+
+ // Wraps and hides input textarea
+ d.inputDiv = elt("div", [input], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
+ // The actual fake scrollbars.
+ d.scrollbarH = elt("div", [elt("div", null, null, "height: 1px")], "CodeMirror-hscrollbar");
+ d.scrollbarV = elt("div", [elt("div", null, null, "width: 1px")], "CodeMirror-vscrollbar");
+ d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
+ d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");
+ // DIVs containing the selection and the actual code
+ d.lineDiv = elt("div", null, "CodeMirror-code");
+ d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
+ // Blinky cursor, and element used to ensure cursor fits at the end of a line
+ d.cursor = elt("div", "\u00a0", "CodeMirror-cursor");
+ // Secondary cursor, shown when on a 'jump' in bi-directional text
+ d.otherCursor = elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor");
+ // Used to measure text size
+ d.measure = elt("div", null, "CodeMirror-measure");
+ // Wraps everything that needs to exist inside the vertically-padded coordinate system
+ d.lineSpace = elt("div", [d.measure, d.selectionDiv, d.lineDiv, d.cursor, d.otherCursor],
+ null, "position: relative; outline: none");
+ // Moved around its parent to cover visible view
+ d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative");
+ // Set to the height of the text, causes scrolling
+ d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
+ // D is needed because behavior of elts with overflow: auto and padding is inconsistent across browsers
+ d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerCutOff + "px; width: 1px;");
+ // Will contain the gutters, if any
+ d.gutters = elt("div", null, "CodeMirror-gutters");
+ d.lineGutter = null;
+ // Provides scrolling
+ d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");
+ d.scroller.setAttribute("tabIndex", "-1");
+ // The element in which the editor lives.
+ d.wrapper = elt("div", [d.inputDiv, d.scrollbarH, d.scrollbarV,
+ d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");
+ // Work around IE7 z-index bug
+ if (ie_lt8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
+ if (place.appendChild) place.appendChild(d.wrapper); else place(d.wrapper);
+
+ // Needed to hide big blue blinking cursor on Mobile Safari
+ if (ios) input.style.width = "0px";
+ if (!webkit) d.scroller.draggable = true;
+ // Needed to handle Tab key in KHTML
+ if (khtml) { d.inputDiv.style.height = "1px"; d.inputDiv.style.position = "absolute"; }
+ // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
+ else if (ie_lt8) d.scrollbarH.style.minWidth = d.scrollbarV.style.minWidth = "18px";
+
+ // Current visible range (may be bigger than the view window).
+ d.viewOffset = d.lastSizeC = 0;
+ d.showingFrom = d.showingTo = docStart;
+
+ // Used to only resize the line number gutter when necessary (when
+ // the amount of lines crosses a boundary that makes its width change)
+ d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
+ // See readInput and resetInput
+ d.prevInput = "";
+ // Set to true when a non-horizontal-scrolling widget is added. As
+ // an optimization, widget aligning is skipped when d is false.
+ d.alignWidgets = false;
+ // Flag that indicates whether we currently expect input to appear
+ // (after some event like 'keypress' or 'input') and are polling
+ // intensively.
+ d.pollingFast = false;
+ // Self-resetting timeout for the poller
+ d.poll = new Delayed();
+
+ d.cachedCharWidth = d.cachedTextHeight = null;
+ d.measureLineCache = [];
+ d.measureLineCachePos = 0;
+
+ // Tracks when resetInput has punted to just putting a short
+ // string instead of the (large) selection.
+ d.inaccurateSelection = false;
+
+ // Tracks the maximum line length so that the horizontal scrollbar
+ // can be kept static when scrolling.
+ d.maxLine = null;
+ d.maxLineLength = 0;
+ d.maxLineChanged = false;
+
+ // Used for measuring wheel scrolling granularity
+ d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;
+
+ return d;
+ }
+
+ // STATE UPDATES
+
+ // Used to get the editor into a consistent state again when options change.
+
+ function loadMode(cm) {
+ cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption);
+ cm.doc.iter(function(line) {
+ if (line.stateAfter) line.stateAfter = null;
+ if (line.styles) line.styles = null;
+ });
+ cm.doc.frontier = cm.doc.first;
+ startWorker(cm, 100);
+ cm.state.modeGen++;
+ if (cm.curOp) regChange(cm);
+ }
+
+ function wrappingChanged(cm) {
+ if (cm.options.lineWrapping) {
+ cm.display.wrapper.className += " CodeMirror-wrap";
+ cm.display.sizer.style.minWidth = "";
+ } else {
+ cm.display.wrapper.className = cm.display.wrapper.className.replace(" CodeMirror-wrap", "");
+ computeMaxLength(cm);
+ }
+ estimateLineHeights(cm);
+ regChange(cm);
+ clearCaches(cm);
+ setTimeout(function(){updateScrollbars(cm);}, 100);
+ }
+
+ function estimateHeight(cm) {
+ var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
+ var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
+ return function(line) {
+ if (lineIsHidden(cm.doc, line))
+ return 0;
+ else if (wrapping)
+ return (Math.ceil(line.text.length / perLine) || 1) * th;
+ else
+ return th;
+ };
+ }
+
+ function estimateLineHeights(cm) {
+ var doc = cm.doc, est = estimateHeight(cm);
+ doc.iter(function(line) {
+ var estHeight = est(line);
+ if (estHeight != line.height) updateLineHeight(line, estHeight);
+ });
+ }
+
+ function keyMapChanged(cm) {
+ var map = keyMap[cm.options.keyMap], style = map.style;
+ cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-keymap-\S+/g, "") +
+ (style ? " cm-keymap-" + style : "");
+ cm.state.disableInput = map.disableInput;
+ }
+
+ function themeChanged(cm) {
+ cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
+ cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
+ clearCaches(cm);
+ }
+
+ function guttersChanged(cm) {
+ updateGutters(cm);
+ regChange(cm);
+ setTimeout(function(){alignHorizontally(cm);}, 20);
+ }
+
+ function updateGutters(cm) {
+ var gutters = cm.display.gutters, specs = cm.options.gutters;
+ removeChildren(gutters);
+ for (var i = 0; i < specs.length; ++i) {
+ var gutterClass = specs[i];
+ var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));
+ if (gutterClass == "CodeMirror-linenumbers") {
+ cm.display.lineGutter = gElt;
+ gElt.style.width = (cm.display.lineNumWidth || 1) + "px";
+ }
+ }
+ gutters.style.display = i ? "" : "none";
+ }
+
+ function lineLength(doc, line) {
+ if (line.height == 0) return 0;
+ var len = line.text.length, merged, cur = line;
+ while (merged = collapsedSpanAtStart(cur)) {
+ var found = merged.find();
+ cur = getLine(doc, found.from.line);
+ len += found.from.ch - found.to.ch;
+ }
+ cur = line;
+ while (merged = collapsedSpanAtEnd(cur)) {
+ var found = merged.find();
+ len -= cur.text.length - found.from.ch;
+ cur = getLine(doc, found.to.line);
+ len += cur.text.length - found.to.ch;
+ }
+ return len;
+ }
+
+ function computeMaxLength(cm) {
+ var d = cm.display, doc = cm.doc;
+ d.maxLine = getLine(doc, doc.first);
+ d.maxLineLength = lineLength(doc, d.maxLine);
+ d.maxLineChanged = true;
+ doc.iter(function(line) {
+ var len = lineLength(doc, line);
+ if (len > d.maxLineLength) {
+ d.maxLineLength = len;
+ d.maxLine = line;
+ }
+ });
+ }
+
+ // Make sure the gutters options contains the element
+ // "CodeMirror-linenumbers" when the lineNumbers option is true.
+ function setGuttersForLineNumbers(options) {
+ var found = false;
+ for (var i = 0; i < options.gutters.length; ++i) {
+ if (options.gutters[i] == "CodeMirror-linenumbers") {
+ if (options.lineNumbers) found = true;
+ else options.gutters.splice(i--, 1);
+ }
+ }
+ if (!found && options.lineNumbers)
+ options.gutters.push("CodeMirror-linenumbers");
+ }
+
+ // SCROLLBARS
+
+ // Re-synchronize the fake scrollbars with the actual size of the
+ // content. Optionally force a scrollTop.
+ function updateScrollbars(cm) {
+ var d = cm.display, docHeight = cm.doc.height;
+ var totalHeight = docHeight + paddingVert(d);
+ d.sizer.style.minHeight = d.heightForcer.style.top = totalHeight + "px";
+ d.gutters.style.height = Math.max(totalHeight, d.scroller.clientHeight - scrollerCutOff) + "px";
+ var scrollHeight = Math.max(totalHeight, d.scroller.scrollHeight);
+ var needsH = d.scroller.scrollWidth > (d.scroller.clientWidth + 1);
+ var needsV = scrollHeight > (d.scroller.clientHeight + 1);
+ if (needsV) {
+ d.scrollbarV.style.display = "block";
+ d.scrollbarV.style.bottom = needsH ? scrollbarWidth(d.measure) + "px" : "0";
+ d.scrollbarV.firstChild.style.height =
+ (scrollHeight - d.scroller.clientHeight + d.scrollbarV.clientHeight) + "px";
+ } else d.scrollbarV.style.display = "";
+ if (needsH) {
+ d.scrollbarH.style.display = "block";
+ d.scrollbarH.style.right = needsV ? scrollbarWidth(d.measure) + "px" : "0";
+ d.scrollbarH.firstChild.style.width =
+ (d.scroller.scrollWidth - d.scroller.clientWidth + d.scrollbarH.clientWidth) + "px";
+ } else d.scrollbarH.style.display = "";
+ if (needsH && needsV) {
+ d.scrollbarFiller.style.display = "block";
+ d.scrollbarFiller.style.height = d.scrollbarFiller.style.width = scrollbarWidth(d.measure) + "px";
+ } else d.scrollbarFiller.style.display = "";
+ if (needsH && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
+ d.gutterFiller.style.display = "block";
+ d.gutterFiller.style.height = scrollbarWidth(d.measure) + "px";
+ d.gutterFiller.style.width = d.gutters.offsetWidth + "px";
+ } else d.gutterFiller.style.display = "";
+
+ if (mac_geLion && scrollbarWidth(d.measure) === 0)
+ d.scrollbarV.style.minWidth = d.scrollbarH.style.minHeight = mac_geMountainLion ? "18px" : "12px";
+ }
+
+ function visibleLines(display, doc, viewPort) {
+ var top = display.scroller.scrollTop, height = display.wrapper.clientHeight;
+ if (typeof viewPort == "number") top = viewPort;
+ else if (viewPort) {top = viewPort.top; height = viewPort.bottom - viewPort.top;}
+ top = Math.floor(top - paddingTop(display));
+ var bottom = Math.ceil(top + height);
+ return {from: lineAtHeight(doc, top), to: lineAtHeight(doc, bottom)};
+ }
+
+ // LINE NUMBERS
+
+ function alignHorizontally(cm) {
+ var display = cm.display;
+ if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return;
+ var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
+ var gutterW = display.gutters.offsetWidth, l = comp + "px";
+ for (var n = display.lineDiv.firstChild; n; n = n.nextSibling) if (n.alignable) {
+ for (var i = 0, a = n.alignable; i < a.length; ++i) a[i].style.left = l;
+ }
+ if (cm.options.fixedGutter)
+ display.gutters.style.left = (comp + gutterW) + "px";
+ }
+
+ function maybeUpdateLineNumberWidth(cm) {
+ if (!cm.options.lineNumbers) return false;
+ var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
+ if (last.length != display.lineNumChars) {
+ var test = display.measure.appendChild(elt("div", [elt("div", last)],
+ "CodeMirror-linenumber CodeMirror-gutter-elt"));
+ var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
+ display.lineGutter.style.width = "";
+ display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding);
+ display.lineNumWidth = display.lineNumInnerWidth + padding;
+ display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
+ display.lineGutter.style.width = display.lineNumWidth + "px";
+ return true;
+ }
+ return false;
+ }
+
+ function lineNumberFor(options, i) {
+ return String(options.lineNumberFormatter(i + options.firstLineNumber));
+ }
+ function compensateForHScroll(display) {
+ return getRect(display.scroller).left - getRect(display.sizer).left;
+ }
+
+ // DISPLAY DRAWING
+
+ function updateDisplay(cm, changes, viewPort) {
+ var oldFrom = cm.display.showingFrom, oldTo = cm.display.showingTo, updated;
+ var visible = visibleLines(cm.display, cm.doc, viewPort);
+ for (;;) {
+ if (!updateDisplayInner(cm, changes, visible)) break;
+ updated = true;
+ updateSelection(cm);
+ updateScrollbars(cm);
+
+ // Clip forced viewport to actual scrollable area
+ if (viewPort)
+ viewPort = Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight,
+ typeof viewPort == "number" ? viewPort : viewPort.top);
+ visible = visibleLines(cm.display, cm.doc, viewPort);
+ if (visible.from >= cm.display.showingFrom && visible.to <= cm.display.showingTo)
+ break;
+ changes = [];
+ }
+
+ if (updated) {
+ signalLater(cm, "update", cm);
+ if (cm.display.showingFrom != oldFrom || cm.display.showingTo != oldTo)
+ signalLater(cm, "viewportChange", cm, cm.display.showingFrom, cm.display.showingTo);
+ }
+ return updated;
+ }
+
+ // Uses a set of changes plus the current scroll position to
+ // determine which DOM updates have to be made, and makes the
+ // updates.
+ function updateDisplayInner(cm, changes, visible) {
+ var display = cm.display, doc = cm.doc;
+ if (!display.wrapper.clientWidth) {
+ display.showingFrom = display.showingTo = doc.first;
+ display.viewOffset = 0;
+ return;
+ }
+
+ // Bail out if the visible area is already rendered and nothing changed.
+ if (changes.length == 0 &&
+ visible.from > display.showingFrom && visible.to < display.showingTo)
+ return;
+
+ if (maybeUpdateLineNumberWidth(cm))
+ changes = [{from: doc.first, to: doc.first + doc.size}];
+ var gutterW = display.sizer.style.marginLeft = display.gutters.offsetWidth + "px";
+ display.scrollbarH.style.left = cm.options.fixedGutter ? gutterW : "0";
+
+ // Used to determine which lines need their line numbers updated
+ var positionsChangedFrom = Infinity;
+ if (cm.options.lineNumbers)
+ for (var i = 0; i < changes.length; ++i)
+ if (changes[i].diff) { positionsChangedFrom = changes[i].from; break; }
+
+ var end = doc.first + doc.size;
+ var from = Math.max(visible.from - cm.options.viewportMargin, doc.first);
+ var to = Math.min(end, visible.to + cm.options.viewportMargin);
+ if (display.showingFrom < from && from - display.showingFrom < 20) from = Math.max(doc.first, display.showingFrom);
+ if (display.showingTo > to && display.showingTo - to < 20) to = Math.min(end, display.showingTo);
+ if (sawCollapsedSpans) {
+ from = lineNo(visualLine(doc, getLine(doc, from)));
+ while (to < end && lineIsHidden(doc, getLine(doc, to))) ++to;
+ }
+
+ // Create a range of theoretically intact lines, and punch holes
+ // in that using the change info.
+ var intact = [{from: Math.max(display.showingFrom, doc.first),
+ to: Math.min(display.showingTo, end)}];
+ if (intact[0].from >= intact[0].to) intact = [];
+ else intact = computeIntact(intact, changes);
+ // When merged lines are present, we might have to reduce the
+ // intact ranges because changes in continued fragments of the
+ // intact lines do require the lines to be redrawn.
+ if (sawCollapsedSpans)
+ for (var i = 0; i < intact.length; ++i) {
+ var range = intact[i], merged;
+ while (merged = collapsedSpanAtEnd(getLine(doc, range.to - 1))) {
+ var newTo = merged.find().from.line;
+ if (newTo > range.from) range.to = newTo;
+ else { intact.splice(i--, 1); break; }
+ }
+ }
+
+ // Clip off the parts that won't be visible
+ var intactLines = 0;
+ for (var i = 0; i < intact.length; ++i) {
+ var range = intact[i];
+ if (range.from < from) range.from = from;
+ if (range.to > to) range.to = to;
+ if (range.from >= range.to) intact.splice(i--, 1);
+ else intactLines += range.to - range.from;
+ }
+ if (intactLines == to - from && from == display.showingFrom && to == display.showingTo) {
+ updateViewOffset(cm);
+ return;
+ }
+ intact.sort(function(a, b) {return a.from - b.from;});
+
+ // Avoid crashing on IE's "unspecified error" when in iframes
+ try {
+ var focused = document.activeElement;
+ } catch(e) {}
+ if (intactLines < (to - from) * .7) display.lineDiv.style.display = "none";
+ patchDisplay(cm, from, to, intact, positionsChangedFrom);
+ display.lineDiv.style.display = "";
+ if (focused && document.activeElement != focused && focused.offsetHeight) focused.focus();
+
+ var different = from != display.showingFrom || to != display.showingTo ||
+ display.lastSizeC != display.wrapper.clientHeight;
+ // This is just a bogus formula that detects when the editor is
+ // resized or the font size changes.
+ if (different) {
+ display.lastSizeC = display.wrapper.clientHeight;
+ startWorker(cm, 400);
+ }
+ display.showingFrom = from; display.showingTo = to;
+
+ var prevBottom = display.lineDiv.offsetTop;
+ for (var node = display.lineDiv.firstChild, height; node; node = node.nextSibling) if (node.lineObj) {
+ if (ie_lt8) {
+ var bot = node.offsetTop + node.offsetHeight;
+ height = bot - prevBottom;
+ prevBottom = bot;
+ } else {
+ var box = getRect(node);
+ height = box.bottom - box.top;
+ }
+ var diff = node.lineObj.height - height;
+ if (height < 2) height = textHeight(display);
+ if (diff > .001 || diff < -.001) {
+ updateLineHeight(node.lineObj, height);
+ var widgets = node.lineObj.widgets;
+ if (widgets) for (var i = 0; i < widgets.length; ++i)
+ widgets[i].height = widgets[i].node.offsetHeight;
+ }
+ }
+ updateViewOffset(cm);
+
+ return true;
+ }
+
+ function updateViewOffset(cm) {
+ var off = cm.display.viewOffset = heightAtLine(cm, getLine(cm.doc, cm.display.showingFrom));
+ // Position the mover div to align with the current virtual scroll position
+ cm.display.mover.style.top = off + "px";
+ }
+
+ function computeIntact(intact, changes) {
+ for (var i = 0, l = changes.length || 0; i < l; ++i) {
+ var change = changes[i], intact2 = [], diff = change.diff || 0;
+ for (var j = 0, l2 = intact.length; j < l2; ++j) {
+ var range = intact[j];
+ if (change.to <= range.from && change.diff) {
+ intact2.push({from: range.from + diff, to: range.to + diff});
+ } else if (change.to <= range.from || change.from >= range.to) {
+ intact2.push(range);
+ } else {
+ if (change.from > range.from)
+ intact2.push({from: range.from, to: change.from});
+ if (change.to < range.to)
+ intact2.push({from: change.to + diff, to: range.to + diff});
+ }
+ }
+ intact = intact2;
+ }
+ return intact;
+ }
+
+ function getDimensions(cm) {
+ var d = cm.display, left = {}, width = {};
+ for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
+ left[cm.options.gutters[i]] = n.offsetLeft;
+ width[cm.options.gutters[i]] = n.offsetWidth;
+ }
+ return {fixedPos: compensateForHScroll(d),
+ gutterTotalWidth: d.gutters.offsetWidth,
+ gutterLeft: left,
+ gutterWidth: width,
+ wrapperWidth: d.wrapper.clientWidth};
+ }
+
+ function patchDisplay(cm, from, to, intact, updateNumbersFrom) {
+ var dims = getDimensions(cm);
+ var display = cm.display, lineNumbers = cm.options.lineNumbers;
+ if (!intact.length && (!webkit || !cm.display.currentWheelTarget))
+ removeChildren(display.lineDiv);
+ var container = display.lineDiv, cur = container.firstChild;
+
+ function rm(node) {
+ var next = node.nextSibling;
+ if (webkit && mac && cm.display.currentWheelTarget == node) {
+ node.style.display = "none";
+ node.lineObj = null;
+ } else {
+ node.parentNode.removeChild(node);
+ }
+ return next;
+ }
+
+ var nextIntact = intact.shift(), lineN = from;
+ cm.doc.iter(from, to, function(line) {
+ if (nextIntact && nextIntact.to == lineN) nextIntact = intact.shift();
+ if (lineIsHidden(cm.doc, line)) {
+ if (line.height != 0) updateLineHeight(line, 0);
+ if (line.widgets && cur.previousSibling) for (var i = 0; i < line.widgets.length; ++i) {
+ var w = line.widgets[i];
+ if (w.showIfHidden) {
+ var prev = cur.previousSibling;
+ if (/pre/i.test(prev.nodeName)) {
+ var wrap = elt("div", null, null, "position: relative");
+ prev.parentNode.replaceChild(wrap, prev);
+ wrap.appendChild(prev);
+ prev = wrap;
+ }
+ var wnode = prev.appendChild(elt("div", [w.node], "CodeMirror-linewidget"));
+ if (!w.handleMouseEvents) wnode.ignoreEvents = true;
+ positionLineWidget(w, wnode, prev, dims);
+ }
+ }
+ } else if (nextIntact && nextIntact.from <= lineN && nextIntact.to > lineN) {
+ // This line is intact. Skip to the actual node. Update its
+ // line number if needed.
+ while (cur.lineObj != line) cur = rm(cur);
+ if (lineNumbers && updateNumbersFrom <= lineN && cur.lineNumber)
+ setTextContent(cur.lineNumber, lineNumberFor(cm.options, lineN));
+ cur = cur.nextSibling;
+ } else {
+ // For lines with widgets, make an attempt to find and reuse
+ // the existing element, so that widgets aren't needlessly
+ // removed and re-inserted into the dom
+ if (line.widgets) for (var j = 0, search = cur, reuse; search && j < 20; ++j, search = search.nextSibling)
+ if (search.lineObj == line && /div/i.test(search.nodeName)) { reuse = search; break; }
+ // This line needs to be generated.
+ var lineNode = buildLineElement(cm, line, lineN, dims, reuse);
+ if (lineNode != reuse) {
+ container.insertBefore(lineNode, cur);
+ } else {
+ while (cur != reuse) cur = rm(cur);
+ cur = cur.nextSibling;
+ }
+
+ lineNode.lineObj = line;
+ }
+ ++lineN;
+ });
+ while (cur) cur = rm(cur);
+ }
+
+ function buildLineElement(cm, line, lineNo, dims, reuse) {
+ var lineElement = lineContent(cm, line);
+ var markers = line.gutterMarkers, display = cm.display, wrap;
+
+ if (!cm.options.lineNumbers && !markers && !line.bgClass && !line.wrapClass && !line.widgets)
+ return lineElement;
+
+ // Lines with gutter elements, widgets or a background class need
+ // to be wrapped again, and have the extra elements added to the
+ // wrapper div
+
+ if (reuse) {
+ reuse.alignable = null;
+ var isOk = true, widgetsSeen = 0, insertBefore = null;
+ for (var n = reuse.firstChild, next; n; n = next) {
+ next = n.nextSibling;
+ if (!/\bCodeMirror-linewidget\b/.test(n.className)) {
+ reuse.removeChild(n);
+ } else {
+ for (var i = 0, first = true; i < line.widgets.length; ++i) {
+ var widget = line.widgets[i];
+ if (!widget.above) { insertBefore = n; first = false; }
+ if (widget.node == n.firstChild) {
+ positionLineWidget(widget, n, reuse, dims);
+ ++widgetsSeen;
+ break;
+ }
+ }
+ if (i == line.widgets.length) { isOk = false; break; }
+ }
+ }
+ reuse.insertBefore(lineElement, insertBefore);
+ if (isOk && widgetsSeen == line.widgets.length) {
+ wrap = reuse;
+ reuse.className = line.wrapClass || "";
+ }
+ }
+ if (!wrap) {
+ wrap = elt("div", null, line.wrapClass, "position: relative");
+ wrap.appendChild(lineElement);
+ }
+ // Kludge to make sure the styled element lies behind the selection (by z-index)
+ if (line.bgClass)
+ wrap.insertBefore(elt("div", null, line.bgClass + " CodeMirror-linebackground"), wrap.firstChild);
+ if (cm.options.lineNumbers || markers) {
+ var gutterWrap = wrap.insertBefore(elt("div", null, null, "position: absolute; left: " +
+ (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"),
+ wrap.firstChild);
+ if (cm.options.fixedGutter) (wrap.alignable || (wrap.alignable = [])).push(gutterWrap);
+ if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
+ wrap.lineNumber = gutterWrap.appendChild(
+ elt("div", lineNumberFor(cm.options, lineNo),
+ "CodeMirror-linenumber CodeMirror-gutter-elt",
+ "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: "
+ + display.lineNumInnerWidth + "px"));
+ if (markers)
+ for (var k = 0; k < cm.options.gutters.length; ++k) {
+ var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];
+ if (found)
+ gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " +
+ dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px"));
+ }
+ }
+ if (ie_lt8) wrap.style.zIndex = 2;
+ if (line.widgets && wrap != reuse) for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
+ var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
+ if (!widget.handleMouseEvents) node.ignoreEvents = true;
+ positionLineWidget(widget, node, wrap, dims);
+ if (widget.above)
+ wrap.insertBefore(node, cm.options.lineNumbers && line.height != 0 ? gutterWrap : lineElement);
+ else
+ wrap.appendChild(node);
+ signalLater(widget, "redraw");
+ }
+ return wrap;
+ }
+
+ function positionLineWidget(widget, node, wrap, dims) {
+ if (widget.noHScroll) {
+ (wrap.alignable || (wrap.alignable = [])).push(node);
+ var width = dims.wrapperWidth;
+ node.style.left = dims.fixedPos + "px";
+ if (!widget.coverGutter) {
+ width -= dims.gutterTotalWidth;
+ node.style.paddingLeft = dims.gutterTotalWidth + "px";
+ }
+ node.style.width = width + "px";
+ }
+ if (widget.coverGutter) {
+ node.style.zIndex = 5;
+ node.style.position = "relative";
+ if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px";
+ }
+ }
+
+ // SELECTION / CURSOR
+
+ function updateSelection(cm) {
+ var display = cm.display;
+ var collapsed = posEq(cm.doc.sel.from, cm.doc.sel.to);
+ if (collapsed || cm.options.showCursorWhenSelecting)
+ updateSelectionCursor(cm);
+ else
+ display.cursor.style.display = display.otherCursor.style.display = "none";
+ if (!collapsed)
+ updateSelectionRange(cm);
+ else
+ display.selectionDiv.style.display = "none";
+
+ // Move the hidden textarea near the cursor to prevent scrolling artifacts
+ if (cm.options.moveInputWithCursor) {
+ var headPos = cursorCoords(cm, cm.doc.sel.head, "div");
+ var wrapOff = getRect(display.wrapper), lineOff = getRect(display.lineDiv);
+ display.inputDiv.style.top = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
+ headPos.top + lineOff.top - wrapOff.top)) + "px";
+ display.inputDiv.style.left = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
+ headPos.left + lineOff.left - wrapOff.left)) + "px";
+ }
+ }
+
+ // No selection, plain cursor
+ function updateSelectionCursor(cm) {
+ var display = cm.display, pos = cursorCoords(cm, cm.doc.sel.head, "div");
+ display.cursor.style.left = pos.left + "px";
+ display.cursor.style.top = pos.top + "px";
+ display.cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
+ display.cursor.style.display = "";
+
+ if (pos.other) {
+ display.otherCursor.style.display = "";
+ display.otherCursor.style.left = pos.other.left + "px";
+ display.otherCursor.style.top = pos.other.top + "px";
+ display.otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
+ } else { display.otherCursor.style.display = "none"; }
+ }
+
+ // Highlight selection
+ function updateSelectionRange(cm) {
+ var display = cm.display, doc = cm.doc, sel = cm.doc.sel;
+ var fragment = document.createDocumentFragment();
+ var clientWidth = display.lineSpace.offsetWidth, pl = paddingLeft(cm.display);
+
+ function add(left, top, width, bottom) {
+ if (top < 0) top = 0;
+ fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left +
+ "px; top: " + top + "px; width: " + (width == null ? clientWidth - left : width) +
+ "px; height: " + (bottom - top) + "px"));
+ }
+
+ function drawForLine(line, fromArg, toArg) {
+ var lineObj = getLine(doc, line);
+ var lineLen = lineObj.text.length;
+ var start, end;
+ function coords(ch, bias) {
+ return charCoords(cm, Pos(line, ch), "div", lineObj, bias);
+ }
+
+ iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) {
+ var leftPos = coords(from, "left"), rightPos, left, right;
+ if (from == to) {
+ rightPos = leftPos;
+ left = right = leftPos.left;
+ } else {
+ rightPos = coords(to - 1, "right");
+ if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; }
+ left = leftPos.left;
+ right = rightPos.right;
+ }
+ if (fromArg == null && from == 0) left = pl;
+ if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part
+ add(left, leftPos.top, null, leftPos.bottom);
+ left = pl;
+ if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top);
+ }
+ if (toArg == null && to == lineLen) right = clientWidth;
+ if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left)
+ start = leftPos;
+ if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right)
+ end = rightPos;
+ if (left < pl + 1) left = pl;
+ add(left, rightPos.top, right - left, rightPos.bottom);
+ });
+ return {start: start, end: end};
+ }
+
+ if (sel.from.line == sel.to.line) {
+ drawForLine(sel.from.line, sel.from.ch, sel.to.ch);
+ } else {
+ var fromLine = getLine(doc, sel.from.line), toLine = getLine(doc, sel.to.line);
+ var singleVLine = visualLine(doc, fromLine) == visualLine(doc, toLine);
+ var leftEnd = drawForLine(sel.from.line, sel.from.ch, singleVLine ? fromLine.text.length : null).end;
+ var rightStart = drawForLine(sel.to.line, singleVLine ? 0 : null, sel.to.ch).start;
+ if (singleVLine) {
+ if (leftEnd.top < rightStart.top - 2) {
+ add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
+ add(pl, rightStart.top, rightStart.left, rightStart.bottom);
+ } else {
+ add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
+ }
+ }
+ if (leftEnd.bottom < rightStart.top)
+ add(pl, leftEnd.bottom, null, rightStart.top);
+ }
+
+ removeChildrenAndAdd(display.selectionDiv, fragment);
+ display.selectionDiv.style.display = "";
+ }
+
+ // Cursor-blinking
+ function restartBlink(cm) {
+ if (!cm.state.focused) return;
+ var display = cm.display;
+ clearInterval(display.blinker);
+ var on = true;
+ display.cursor.style.visibility = display.otherCursor.style.visibility = "";
+ display.blinker = setInterval(function() {
+ display.cursor.style.visibility = display.otherCursor.style.visibility = (on = !on) ? "" : "hidden";
+ }, cm.options.cursorBlinkRate);
+ }
+
+ // HIGHLIGHT WORKER
+
+ function startWorker(cm, time) {
+ if (cm.doc.mode.startState && cm.doc.frontier < cm.display.showingTo)
+ cm.state.highlight.set(time, bind(highlightWorker, cm));
+ }
+
+ function highlightWorker(cm) {
+ var doc = cm.doc;
+ if (doc.frontier < doc.first) doc.frontier = doc.first;
+ if (doc.frontier >= cm.display.showingTo) return;
+ var end = +new Date + cm.options.workTime;
+ var state = copyState(doc.mode, getStateBefore(cm, doc.frontier));
+ var changed = [], prevChange;
+ doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.showingTo + 500), function(line) {
+ if (doc.frontier >= cm.display.showingFrom) { // Visible
+ var oldStyles = line.styles;
+ line.styles = highlightLine(cm, line, state);
+ var ischange = !oldStyles || oldStyles.length != line.styles.length;
+ for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i];
+ if (ischange) {
+ if (prevChange && prevChange.end == doc.frontier) prevChange.end++;
+ else changed.push(prevChange = {start: doc.frontier, end: doc.frontier + 1});
+ }
+ line.stateAfter = copyState(doc.mode, state);
+ } else {
+ processLine(cm, line, state);
+ line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null;
+ }
+ ++doc.frontier;
+ if (+new Date > end) {
+ startWorker(cm, cm.options.workDelay);
+ return true;
+ }
+ });
+ if (changed.length)
+ operation(cm, function() {
+ for (var i = 0; i < changed.length; ++i)
+ regChange(this, changed[i].start, changed[i].end);
+ })();
+ }
+
+ // Finds the line to start with when starting a parse. Tries to
+ // find a line with a stateAfter, so that it can start with a
+ // valid state. If that fails, it returns the line with the
+ // smallest indentation, which tends to need the least context to
+ // parse correctly.
+ function findStartLine(cm, n, precise) {
+ var minindent, minline, doc = cm.doc;
+ for (var search = n, lim = n - 100; search > lim; --search) {
+ if (search <= doc.first) return doc.first;
+ var line = getLine(doc, search - 1);
+ if (line.stateAfter && (!precise || search <= doc.frontier)) return search;
+ var indented = countColumn(line.text, null, cm.options.tabSize);
+ if (minline == null || minindent > indented) {
+ minline = search - 1;
+ minindent = indented;
+ }
+ }
+ return minline;
+ }
+
+ function getStateBefore(cm, n, precise) {
+ var doc = cm.doc, display = cm.display;
+ if (!doc.mode.startState) return true;
+ var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter;
+ if (!state) state = startState(doc.mode);
+ else state = copyState(doc.mode, state);
+ doc.iter(pos, n, function(line) {
+ processLine(cm, line, state);
+ var save = pos == n - 1 || pos % 5 == 0 || pos >= display.showingFrom && pos < display.showingTo;
+ line.stateAfter = save ? copyState(doc.mode, state) : null;
+ ++pos;
+ });
+ return state;
+ }
+
+ // POSITION MEASUREMENT
+
+ function paddingTop(display) {return display.lineSpace.offsetTop;}
+ function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;}
+ function paddingLeft(display) {
+ var e = removeChildrenAndAdd(display.measure, elt("pre", null, null, "text-align: left")).appendChild(elt("span", "x"));
+ return e.offsetLeft;
+ }
+
+ function measureChar(cm, line, ch, data, bias) {
+ var dir = -1;
+ data = data || measureLine(cm, line);
+
+ for (var pos = ch;; pos += dir) {
+ var r = data[pos];
+ if (r) break;
+ if (dir < 0 && pos == 0) dir = 1;
+ }
+ var rightV = (pos < ch || bias == "right") && r.topRight != null;
+ return {left: pos < ch ? r.right : r.left,
+ right: pos > ch ? r.left : r.right,
+ top: rightV ? r.topRight : r.top,
+ bottom: rightV ? r.bottomRight : r.bottom};
+ }
+
+ function findCachedMeasurement(cm, line) {
+ var cache = cm.display.measureLineCache;
+ for (var i = 0; i < cache.length; ++i) {
+ var memo = cache[i];
+ if (memo.text == line.text && memo.markedSpans == line.markedSpans &&
+ cm.display.scroller.clientWidth == memo.width &&
+ memo.classes == line.textClass + "|" + line.bgClass + "|" + line.wrapClass)
+ return memo;
+ }
+ }
+
+ function clearCachedMeasurement(cm, line) {
+ var exists = findCachedMeasurement(cm, line);
+ if (exists) exists.text = exists.measure = exists.markedSpans = null;
+ }
+
+ function measureLine(cm, line) {
+ // First look in the cache
+ var cached = findCachedMeasurement(cm, line);
+ if (cached) return cached.measure;
+
+ // Failing that, recompute and store result in cache
+ var measure = measureLineInner(cm, line);
+ var cache = cm.display.measureLineCache;
+ var memo = {text: line.text, width: cm.display.scroller.clientWidth,
+ markedSpans: line.markedSpans, measure: measure,
+ classes: line.textClass + "|" + line.bgClass + "|" + line.wrapClass};
+ if (cache.length == 16) cache[++cm.display.measureLineCachePos % 16] = memo;
+ else cache.push(memo);
+ return measure;
+ }
+
+ function measureLineInner(cm, line) {
+ var display = cm.display, measure = emptyArray(line.text.length);
+ var pre = lineContent(cm, line, measure);
+
+ // IE does not cache element positions of inline elements between
+ // calls to getBoundingClientRect. This makes the loop below,
+ // which gathers the positions of all the characters on the line,
+ // do an amount of layout work quadratic to the number of
+ // characters. When line wrapping is off, we try to improve things
+ // by first subdividing the line into a bunch of inline blocks, so
+ // that IE can reuse most of the layout information from caches
+ // for those blocks. This does interfere with line wrapping, so it
+ // doesn't work when wrapping is on, but in that case the
+ // situation is slightly better, since IE does cache line-wrapping
+ // information and only recomputes per-line.
+ if (ie && !ie_lt8 && !cm.options.lineWrapping && pre.childNodes.length > 100) {
+ var fragment = document.createDocumentFragment();
+ var chunk = 10, n = pre.childNodes.length;
+ for (var i = 0, chunks = Math.ceil(n / chunk); i < chunks; ++i) {
+ var wrap = elt("div", null, null, "display: inline-block");
+ for (var j = 0; j < chunk && n; ++j) {
+ wrap.appendChild(pre.firstChild);
+ --n;
+ }
+ fragment.appendChild(wrap);
+ }
+ pre.appendChild(fragment);
+ }
+
+ removeChildrenAndAdd(display.measure, pre);
+
+ var outer = getRect(display.lineDiv);
+ var vranges = [], data = emptyArray(line.text.length), maxBot = pre.offsetHeight;
+ // Work around an IE7/8 bug where it will sometimes have randomly
+ // replaced our pre with a clone at this point.
+ if (ie_lt9 && display.measure.first != pre)
+ removeChildrenAndAdd(display.measure, pre);
+
+ function categorizeVSpan(top, bot) {
+ if (bot > maxBot) bot = maxBot;
+ if (top < 0) top = 0;
+ for (var j = 0; j < vranges.length; j += 2) {
+ var rtop = vranges[j], rbot = vranges[j+1];
+ if (rtop > bot || rbot < top) continue;
+ if (rtop <= top && rbot >= bot ||
+ top <= rtop && bot >= rbot ||
+ Math.min(bot, rbot) - Math.max(top, rtop) >= (bot - top) >> 1) {
+ vranges[j] = Math.min(top, rtop);
+ vranges[j+1] = Math.max(bot, rbot);
+ return j;
+ }
+ }
+ vranges.push(top, bot);
+ return j;
+ }
+
+ for (var i = 0, cur; i < measure.length; ++i) if (cur = measure[i]) {
+ var size, node = cur;
+ // A widget might wrap, needs special care
+ if (/\bCodeMirror-widget\b/.test(cur.className) && cur.getClientRects) {
+ if (cur.firstChild.nodeType == 1) node = cur.firstChild;
+ var rects = node.getClientRects(), rLeft = rects[0], rRight = rects[rects.length - 1];
+ if (rects.length > 1) {
+ var vCatLeft = categorizeVSpan(rLeft.top - outer.top, rLeft.bottom - outer.top);
+ var vCatRight = categorizeVSpan(rRight.top - outer.top, rRight.bottom - outer.top);
+ data[i] = {left: rLeft.left - outer.left, right: rRight.right - outer.left,
+ top: vCatLeft, topRight: vCatRight};
+ continue;
+ }
+ }
+ size = getRect(node);
+ var vCat = categorizeVSpan(size.top - outer.top, size.bottom - outer.top);
+ var right = size.right;
+ if (cur.measureRight) right = getRect(cur.measureRight).left;
+ data[i] = {left: size.left - outer.left, right: right - outer.left, top: vCat};
+ }
+ for (var i = 0, cur; i < data.length; ++i) if (cur = data[i]) {
+ var vr = cur.top, vrRight = cur.topRight;
+ cur.top = vranges[vr]; cur.bottom = vranges[vr+1];
+ if (vrRight != null) { cur.topRight = vranges[vrRight]; cur.bottomRight = vranges[vrRight+1]; }
+ }
+ return data;
+ }
+
+ function measureLineWidth(cm, line) {
+ var hasBadSpan = false;
+ if (line.markedSpans) for (var i = 0; i < line.markedSpans; ++i) {
+ var sp = line.markedSpans[i];
+ if (sp.collapsed && (sp.to == null || sp.to == line.text.length)) hasBadSpan = true;
+ }
+ var cached = !hasBadSpan && findCachedMeasurement(cm, line);
+ if (cached) return measureChar(cm, line, line.text.length, cached.measure, "right").right;
+
+ var pre = lineContent(cm, line);
+ var end = pre.appendChild(zeroWidthElement(cm.display.measure));
+ removeChildrenAndAdd(cm.display.measure, pre);
+ return getRect(end).right - getRect(cm.display.lineDiv).left;
+ }
+
+ function clearCaches(cm) {
+ cm.display.measureLineCache.length = cm.display.measureLineCachePos = 0;
+ cm.display.cachedCharWidth = cm.display.cachedTextHeight = null;
+ if (!cm.options.lineWrapping) cm.display.maxLineChanged = true;
+ cm.display.lineNumChars = null;
+ }
+
+ function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft; }
+ function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop; }
+
+ // Context is one of "line", "div" (display.lineDiv), "local"/null (editor), or "page"
+ function intoCoordSystem(cm, lineObj, rect, context) {
+ if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) {
+ var size = widgetHeight(lineObj.widgets[i]);
+ rect.top += size; rect.bottom += size;
+ }
+ if (context == "line") return rect;
+ if (!context) context = "local";
+ var yOff = heightAtLine(cm, lineObj);
+ if (context == "local") yOff += paddingTop(cm.display);
+ else yOff -= cm.display.viewOffset;
+ if (context == "page" || context == "window") {
+ var lOff = getRect(cm.display.lineSpace);
+ yOff += lOff.top + (context == "window" ? 0 : pageScrollY());
+ var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());
+ rect.left += xOff; rect.right += xOff;
+ }
+ rect.top += yOff; rect.bottom += yOff;
+ return rect;
+ }
+
+ // Context may be "window", "page", "div", or "local"/null
+ // Result is in "div" coords
+ function fromCoordSystem(cm, coords, context) {
+ if (context == "div") return coords;
+ var left = coords.left, top = coords.top;
+ // First move into "page" coordinate system
+ if (context == "page") {
+ left -= pageScrollX();
+ top -= pageScrollY();
+ } else if (context == "local" || !context) {
+ var localBox = getRect(cm.display.sizer);
+ left += localBox.left;
+ top += localBox.top;
+ }
+
+ var lineSpaceBox = getRect(cm.display.lineSpace);
+ return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top};
+ }
+
+ function charCoords(cm, pos, context, lineObj, bias) {
+ if (!lineObj) lineObj = getLine(cm.doc, pos.line);
+ return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, null, bias), context);
+ }
+
+ function cursorCoords(cm, pos, context, lineObj, measurement) {
+ lineObj = lineObj || getLine(cm.doc, pos.line);
+ if (!measurement) measurement = measureLine(cm, lineObj);
+ function get(ch, right) {
+ var m = measureChar(cm, lineObj, ch, measurement, right ? "right" : "left");
+ if (right) m.left = m.right; else m.right = m.left;
+ return intoCoordSystem(cm, lineObj, m, context);
+ }
+ function getBidi(ch, partPos) {
+ var part = order[partPos], right = part.level % 2;
+ if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) {
+ part = order[--partPos];
+ ch = bidiRight(part) - (part.level % 2 ? 0 : 1);
+ right = true;
+ } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) {
+ part = order[++partPos];
+ ch = bidiLeft(part) - part.level % 2;
+ right = false;
+ }
+ if (right && ch == part.to && ch > part.from) return get(ch - 1);
+ return get(ch, right);
+ }
+ var order = getOrder(lineObj), ch = pos.ch;
+ if (!order) return get(ch);
+ var partPos = getBidiPartAt(order, ch);
+ var val = getBidi(ch, partPos);
+ if (bidiOther != null) val.other = getBidi(ch, bidiOther);
+ return val;
+ }
+
+ function PosWithInfo(line, ch, outside, xRel) {
+ var pos = new Pos(line, ch);
+ pos.xRel = xRel;
+ if (outside) pos.outside = true;
+ return pos;
+ }
+
+ // Coords must be lineSpace-local
+ function coordsChar(cm, x, y) {
+ var doc = cm.doc;
+ y += cm.display.viewOffset;
+ if (y < 0) return PosWithInfo(doc.first, 0, true, -1);
+ var lineNo = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
+ if (lineNo > last)
+ return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1);
+ if (x < 0) x = 0;
+
+ for (;;) {
+ var lineObj = getLine(doc, lineNo);
+ var found = coordsCharInner(cm, lineObj, lineNo, x, y);
+ var merged = collapsedSpanAtEnd(lineObj);
+ var mergedPos = merged && merged.find();
+ if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0))
+ lineNo = mergedPos.to.line;
+ else
+ return found;
+ }
+ }
+
+ function coordsCharInner(cm, lineObj, lineNo, x, y) {
+ var innerOff = y - heightAtLine(cm, lineObj);
+ var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth;
+ var measurement = measureLine(cm, lineObj);
+
+ function getX(ch) {
+ var sp = cursorCoords(cm, Pos(lineNo, ch), "line",
+ lineObj, measurement);
+ wrongLine = true;
+ if (innerOff > sp.bottom) return sp.left - adjust;
+ else if (innerOff < sp.top) return sp.left + adjust;
+ else wrongLine = false;
+ return sp.left;
+ }
+
+ var bidi = getOrder(lineObj), dist = lineObj.text.length;
+ var from = lineLeft(lineObj), to = lineRight(lineObj);
+ var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine;
+
+ if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1);
+ // Do a binary search between these bounds.
+ for (;;) {
+ if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) {
+ var ch = x < fromX || x - fromX <= toX - x ? from : to;
+ var xDiff = x - (ch == from ? fromX : toX);
+ while (isExtendingChar.test(lineObj.text.charAt(ch))) ++ch;
+ var pos = PosWithInfo(lineNo, ch, ch == from ? fromOutside : toOutside,
+ xDiff < 0 ? -1 : xDiff ? 1 : 0);
+ return pos;
+ }
+ var step = Math.ceil(dist / 2), middle = from + step;
+ if (bidi) {
+ middle = from;
+ for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1);
+ }
+ var middleX = getX(middle);
+ if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;}
+ else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;}
+ }
+ }
+
+ var measureText;
+ function textHeight(display) {
+ if (display.cachedTextHeight != null) return display.cachedTextHeight;
+ if (measureText == null) {
+ measureText = elt("pre");
+ // Measure a bunch of lines, for browsers that compute
+ // fractional heights.
+ for (var i = 0; i < 49; ++i) {
+ measureText.appendChild(document.createTextNode("x"));
+ measureText.appendChild(elt("br"));
+ }
+ measureText.appendChild(document.createTextNode("x"));
+ }
+ removeChildrenAndAdd(display.measure, measureText);
+ var height = measureText.offsetHeight / 50;
+ if (height > 3) display.cachedTextHeight = height;
+ removeChildren(display.measure);
+ return height || 1;
+ }
+
+ function charWidth(display) {
+ if (display.cachedCharWidth != null) return display.cachedCharWidth;
+ var anchor = elt("span", "x");
+ var pre = elt("pre", [anchor]);
+ removeChildrenAndAdd(display.measure, pre);
+ var width = anchor.offsetWidth;
+ if (width > 2) display.cachedCharWidth = width;
+ return width || 10;
+ }
+
+ // OPERATIONS
+
+ // Operations are used to wrap changes in such a way that each
+ // change won't have to update the cursor and display (which would
+ // be awkward, slow, and error-prone), but instead updates are
+ // batched and then all combined and executed at once.
+
+ var nextOpId = 0;
+ function startOperation(cm) {
+ cm.curOp = {
+ // An array of ranges of lines that have to be updated. See
+ // updateDisplay.
+ changes: [],
+ updateInput: null,
+ userSelChange: null,
+ textChanged: null,
+ selectionChanged: false,
+ cursorActivity: false,
+ updateMaxLine: false,
+ updateScrollPos: false,
+ id: ++nextOpId
+ };
+ if (!delayedCallbackDepth++) delayedCallbacks = [];
+ }
+
+ function endOperation(cm) {
+ var op = cm.curOp, doc = cm.doc, display = cm.display;
+ cm.curOp = null;
+
+ if (op.updateMaxLine) computeMaxLength(cm);
+ if (display.maxLineChanged && !cm.options.lineWrapping && display.maxLine) {
+ var width = measureLineWidth(cm, display.maxLine);
+ display.sizer.style.minWidth = Math.max(0, width + 3 + scrollerCutOff) + "px";
+ display.maxLineChanged = false;
+ var maxScrollLeft = Math.max(0, display.sizer.offsetLeft + display.sizer.offsetWidth - display.scroller.clientWidth);
+ if (maxScrollLeft < doc.scrollLeft && !op.updateScrollPos)
+ setScrollLeft(cm, Math.min(display.scroller.scrollLeft, maxScrollLeft), true);
+ }
+ var newScrollPos, updated;
+ if (op.updateScrollPos) {
+ newScrollPos = op.updateScrollPos;
+ } else if (op.selectionChanged && display.scroller.clientHeight) { // don't rescroll if not visible
+ var coords = cursorCoords(cm, doc.sel.head);
+ newScrollPos = calculateScrollPos(cm, coords.left, coords.top, coords.left, coords.bottom);
+ }
+ if (op.changes.length || newScrollPos && newScrollPos.scrollTop != null) {
+ updated = updateDisplay(cm, op.changes, newScrollPos && newScrollPos.scrollTop);
+ if (cm.display.scroller.offsetHeight) cm.doc.scrollTop = cm.display.scroller.scrollTop;
+ }
+ if (!updated && op.selectionChanged) updateSelection(cm);
+ if (op.updateScrollPos) {
+ display.scroller.scrollTop = display.scrollbarV.scrollTop = doc.scrollTop = newScrollPos.scrollTop;
+ display.scroller.scrollLeft = display.scrollbarH.scrollLeft = doc.scrollLeft = newScrollPos.scrollLeft;
+ alignHorizontally(cm);
+ if (op.scrollToPos)
+ scrollPosIntoView(cm, clipPos(cm.doc, op.scrollToPos), op.scrollToPosMargin);
+ } else if (newScrollPos) {
+ scrollCursorIntoView(cm);
+ }
+ if (op.selectionChanged) restartBlink(cm);
+
+ if (cm.state.focused && op.updateInput)
+ resetInput(cm, op.userSelChange);
+
+ var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
+ if (hidden) for (var i = 0; i < hidden.length; ++i)
+ if (!hidden[i].lines.length) signal(hidden[i], "hide");
+ if (unhidden) for (var i = 0; i < unhidden.length; ++i)
+ if (unhidden[i].lines.length) signal(unhidden[i], "unhide");
+
+ var delayed;
+ if (!--delayedCallbackDepth) {
+ delayed = delayedCallbacks;
+ delayedCallbacks = null;
+ }
+ if (op.textChanged)
+ signal(cm, "change", cm, op.textChanged);
+ if (op.cursorActivity) signal(cm, "cursorActivity", cm);
+ if (delayed) for (var i = 0; i < delayed.length; ++i) delayed[i]();
+ }
+
+ // Wraps a function in an operation. Returns the wrapped function.
+ function operation(cm1, f) {
+ return function() {
+ var cm = cm1 || this, withOp = !cm.curOp;
+ if (withOp) startOperation(cm);
+ try { var result = f.apply(cm, arguments); }
+ finally { if (withOp) endOperation(cm); }
+ return result;
+ };
+ }
+ function docOperation(f) {
+ return function() {
+ var withOp = this.cm && !this.cm.curOp, result;
+ if (withOp) startOperation(this.cm);
+ try { result = f.apply(this, arguments); }
+ finally { if (withOp) endOperation(this.cm); }
+ return result;
+ };
+ }
+ function runInOp(cm, f) {
+ var withOp = !cm.curOp, result;
+ if (withOp) startOperation(cm);
+ try { result = f(); }
+ finally { if (withOp) endOperation(cm); }
+ return result;
+ }
+
+ function regChange(cm, from, to, lendiff) {
+ if (from == null) from = cm.doc.first;
+ if (to == null) to = cm.doc.first + cm.doc.size;
+ cm.curOp.changes.push({from: from, to: to, diff: lendiff});
+ }
+
+ // INPUT HANDLING
+
+ function slowPoll(cm) {
+ if (cm.display.pollingFast) return;
+ cm.display.poll.set(cm.options.pollInterval, function() {
+ readInput(cm);
+ if (cm.state.focused) slowPoll(cm);
+ });
+ }
+
+ function fastPoll(cm) {
+ var missed = false;
+ cm.display.pollingFast = true;
+ function p() {
+ var changed = readInput(cm);
+ if (!changed && !missed) {missed = true; cm.display.poll.set(60, p);}
+ else {cm.display.pollingFast = false; slowPoll(cm);}
+ }
+ cm.display.poll.set(20, p);
+ }
+
+ // prevInput is a hack to work with IME. If we reset the textarea
+ // on every change, that breaks IME. So we look for changes
+ // compared to the previous content instead. (Modern browsers have
+ // events that indicate IME taking place, but these are not widely
+ // supported or compatible enough yet to rely on.)
+ function readInput(cm) {
+ var input = cm.display.input, prevInput = cm.display.prevInput, doc = cm.doc, sel = doc.sel;
+ if (!cm.state.focused || hasSelection(input) || isReadOnly(cm) || cm.state.disableInput) return false;
+ var text = input.value;
+ if (text == prevInput && posEq(sel.from, sel.to)) return false;
+ if (ie && !ie_lt9 && cm.display.inputHasSelection === text) {
+ resetInput(cm, true);
+ return false;
+ }
+
+ var withOp = !cm.curOp;
+ if (withOp) startOperation(cm);
+ sel.shift = false;
+ var same = 0, l = Math.min(prevInput.length, text.length);
+ while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same;
+ var from = sel.from, to = sel.to;
+ if (same < prevInput.length)
+ from = Pos(from.line, from.ch - (prevInput.length - same));
+ else if (cm.state.overwrite && posEq(from, to) && !cm.state.pasteIncoming)
+ to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + (text.length - same)));
+
+ var updateInput = cm.curOp.updateInput;
+ var changeEvent = {from: from, to: to, text: splitLines(text.slice(same)),
+ origin: cm.state.pasteIncoming ? "paste" : "+input"};
+ makeChange(cm.doc, changeEvent, "end");
+ cm.curOp.updateInput = updateInput;
+ signalLater(cm, "inputRead", cm, changeEvent);
+
+ if (text.length > 1000 || text.indexOf("\n") > -1) input.value = cm.display.prevInput = "";
+ else cm.display.prevInput = text;
+ if (withOp) endOperation(cm);
+ cm.state.pasteIncoming = false;
+ return true;
+ }
+
+ function resetInput(cm, user) {
+ var minimal, selected, doc = cm.doc;
+ if (!posEq(doc.sel.from, doc.sel.to)) {
+ cm.display.prevInput = "";
+ minimal = hasCopyEvent &&
+ (doc.sel.to.line - doc.sel.from.line > 100 || (selected = cm.getSelection()).length > 1000);
+ var content = minimal ? "-" : selected || cm.getSelection();
+ cm.display.input.value = content;
+ if (cm.state.focused) selectInput(cm.display.input);
+ if (ie && !ie_lt9) cm.display.inputHasSelection = content;
+ } else if (user) {
+ cm.display.prevInput = cm.display.input.value = "";
+ if (ie && !ie_lt9) cm.display.inputHasSelection = null;
+ }
+ cm.display.inaccurateSelection = minimal;
+ }
+
+ function focusInput(cm) {
+ if (cm.options.readOnly != "nocursor" && (!mobile || document.activeElement != cm.display.input))
+ cm.display.input.focus();
+ }
+
+ function isReadOnly(cm) {
+ return cm.options.readOnly || cm.doc.cantEdit;
+ }
+
+ // EVENT HANDLERS
+
+ function registerEventHandlers(cm) {
+ var d = cm.display;
+ on(d.scroller, "mousedown", operation(cm, onMouseDown));
+ if (ie)
+ on(d.scroller, "dblclick", operation(cm, function(e) {
+ if (signalDOMEvent(cm, e)) return;
+ var pos = posFromMouse(cm, e);
+ if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return;
+ e_preventDefault(e);
+ var word = findWordAt(getLine(cm.doc, pos.line).text, pos);
+ extendSelection(cm.doc, word.from, word.to);
+ }));
+ else
+ on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); });
+ on(d.lineSpace, "selectstart", function(e) {
+ if (!eventInWidget(d, e)) e_preventDefault(e);
+ });
+ // Gecko browsers fire contextmenu *after* opening the menu, at
+ // which point we can't mess with it anymore. Context menu is
+ // handled in onMouseDown for Gecko.
+ if (!captureMiddleClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);});
+
+ on(d.scroller, "scroll", function() {
+ if (d.scroller.clientHeight) {
+ setScrollTop(cm, d.scroller.scrollTop);
+ setScrollLeft(cm, d.scroller.scrollLeft, true);
+ signal(cm, "scroll", cm);
+ }
+ });
+ on(d.scrollbarV, "scroll", function() {
+ if (d.scroller.clientHeight) setScrollTop(cm, d.scrollbarV.scrollTop);
+ });
+ on(d.scrollbarH, "scroll", function() {
+ if (d.scroller.clientHeight) setScrollLeft(cm, d.scrollbarH.scrollLeft);
+ });
+
+ on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);});
+ on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);});
+
+ function reFocus() { if (cm.state.focused) setTimeout(bind(focusInput, cm), 0); }
+ on(d.scrollbarH, "mousedown", reFocus);
+ on(d.scrollbarV, "mousedown", reFocus);
+ // Prevent wrapper from ever scrolling
+ on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
+
+ var resizeTimer;
+ function onResize() {
+ if (resizeTimer == null) resizeTimer = setTimeout(function() {
+ resizeTimer = null;
+ // Might be a text scaling operation, clear size caches.
+ d.cachedCharWidth = d.cachedTextHeight = knownScrollbarWidth = null;
+ clearCaches(cm);
+ runInOp(cm, bind(regChange, cm));
+ }, 100);
+ }
+ on(window, "resize", onResize);
+ // Above handler holds on to the editor and its data structures.
+ // Here we poll to unregister it when the editor is no longer in
+ // the document, so that it can be garbage-collected.
+ function unregister() {
+ for (var p = d.wrapper.parentNode; p && p != document.body; p = p.parentNode) {}
+ if (p) setTimeout(unregister, 5000);
+ else off(window, "resize", onResize);
+ }
+ setTimeout(unregister, 5000);
+
+ on(d.input, "keyup", operation(cm, function(e) {
+ if (signalDOMEvent(cm, e) || cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return;
+ if (e.keyCode == 16) cm.doc.sel.shift = false;
+ }));
+ on(d.input, "input", bind(fastPoll, cm));
+ on(d.input, "keydown", operation(cm, onKeyDown));
+ on(d.input, "keypress", operation(cm, onKeyPress));
+ on(d.input, "focus", bind(onFocus, cm));
+ on(d.input, "blur", bind(onBlur, cm));
+
+ function drag_(e) {
+ if (signalDOMEvent(cm, e) || cm.options.onDragEvent && cm.options.onDragEvent(cm, addStop(e))) return;
+ e_stop(e);
+ }
+ if (cm.options.dragDrop) {
+ on(d.scroller, "dragstart", function(e){onDragStart(cm, e);});
+ on(d.scroller, "dragenter", drag_);
+ on(d.scroller, "dragover", drag_);
+ on(d.scroller, "drop", operation(cm, onDrop));
+ }
+ on(d.scroller, "paste", function(e){
+ if (eventInWidget(d, e)) return;
+ focusInput(cm);
+ fastPoll(cm);
+ });
+ on(d.input, "paste", function() {
+ cm.state.pasteIncoming = true;
+ fastPoll(cm);
+ });
+
+ function prepareCopy() {
+ if (d.inaccurateSelection) {
+ d.prevInput = "";
+ d.inaccurateSelection = false;
+ d.input.value = cm.getSelection();
+ selectInput(d.input);
+ }
+ }
+ on(d.input, "cut", prepareCopy);
+ on(d.input, "copy", prepareCopy);
+
+ // Needed to handle Tab key in KHTML
+ if (khtml) on(d.sizer, "mouseup", function() {
+ if (document.activeElement == d.input) d.input.blur();
+ focusInput(cm);
+ });
+ }
+
+ function eventInWidget(display, e) {
+ for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
+ if (!n || n.ignoreEvents || n.parentNode == display.sizer && n != display.mover) return true;
+ }
+ }
+
+ function posFromMouse(cm, e, liberal) {
+ var display = cm.display;
+ if (!liberal) {
+ var target = e_target(e);
+ if (target == display.scrollbarH || target == display.scrollbarH.firstChild ||
+ target == display.scrollbarV || target == display.scrollbarV.firstChild ||
+ target == display.scrollbarFiller || target == display.gutterFiller) return null;
+ }
+ var x, y, space = getRect(display.lineSpace);
+ // Fails unpredictably on IE[67] when mouse is dragged around quickly.
+ try { x = e.clientX; y = e.clientY; } catch (e) { return null; }
+ return coordsChar(cm, x - space.left, y - space.top);
+ }
+
+ var lastClick, lastDoubleClick;
+ function onMouseDown(e) {
+ if (signalDOMEvent(this, e)) return;
+ var cm = this, display = cm.display, doc = cm.doc, sel = doc.sel;
+ sel.shift = e.shiftKey;
+
+ if (eventInWidget(display, e)) {
+ if (!webkit) {
+ display.scroller.draggable = false;
+ setTimeout(function(){display.scroller.draggable = true;}, 100);
+ }
+ return;
+ }
+ if (clickInGutter(cm, e)) return;
+ var start = posFromMouse(cm, e);
+
+ switch (e_button(e)) {
+ case 3:
+ if (captureMiddleClick) onContextMenu.call(cm, cm, e);
+ return;
+ case 2:
+ if (start) extendSelection(cm.doc, start);
+ setTimeout(bind(focusInput, cm), 20);
+ e_preventDefault(e);
+ return;
+ }
+ // For button 1, if it was clicked inside the editor
+ // (posFromMouse returning non-null), we have to adjust the
+ // selection.
+ if (!start) {if (e_target(e) == display.scroller) e_preventDefault(e); return;}
+
+ if (!cm.state.focused) onFocus(cm);
+
+ var now = +new Date, type = "single";
+ if (lastDoubleClick && lastDoubleClick.time > now - 400 && posEq(lastDoubleClick.pos, start)) {
+ type = "triple";
+ e_preventDefault(e);
+ setTimeout(bind(focusInput, cm), 20);
+ selectLine(cm, start.line);
+ } else if (lastClick && lastClick.time > now - 400 && posEq(lastClick.pos, start)) {
+ type = "double";
+ lastDoubleClick = {time: now, pos: start};
+ e_preventDefault(e);
+ var word = findWordAt(getLine(doc, start.line).text, start);
+ extendSelection(cm.doc, word.from, word.to);
+ } else { lastClick = {time: now, pos: start}; }
+
+ var last = start;
+ if (cm.options.dragDrop && dragAndDrop && !isReadOnly(cm) && !posEq(sel.from, sel.to) &&
+ !posLess(start, sel.from) && !posLess(sel.to, start) && type == "single") {
+ var dragEnd = operation(cm, function(e2) {
+ if (webkit) display.scroller.draggable = false;
+ cm.state.draggingText = false;
+ off(document, "mouseup", dragEnd);
+ off(display.scroller, "drop", dragEnd);
+ if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
+ e_preventDefault(e2);
+ extendSelection(cm.doc, start);
+ focusInput(cm);
+ }
+ });
+ // Let the drag handler handle this.
+ if (webkit) display.scroller.draggable = true;
+ cm.state.draggingText = dragEnd;
+ // IE's approach to draggable
+ if (display.scroller.dragDrop) display.scroller.dragDrop();
+ on(document, "mouseup", dragEnd);
+ on(display.scroller, "drop", dragEnd);
+ return;
+ }
+ e_preventDefault(e);
+ if (type == "single") extendSelection(cm.doc, clipPos(doc, start));
+
+ var startstart = sel.from, startend = sel.to, lastPos = start;
+
+ function doSelect(cur) {
+ if (posEq(lastPos, cur)) return;
+ lastPos = cur;
+
+ if (type == "single") {
+ extendSelection(cm.doc, clipPos(doc, start), cur);
+ return;
+ }
+
+ startstart = clipPos(doc, startstart);
+ startend = clipPos(doc, startend);
+ if (type == "double") {
+ var word = findWordAt(getLine(doc, cur.line).text, cur);
+ if (posLess(cur, startstart)) extendSelection(cm.doc, word.from, startend);
+ else extendSelection(cm.doc, startstart, word.to);
+ } else if (type == "triple") {
+ if (posLess(cur, startstart)) extendSelection(cm.doc, startend, clipPos(doc, Pos(cur.line, 0)));
+ else extendSelection(cm.doc, startstart, clipPos(doc, Pos(cur.line + 1, 0)));
+ }
+ }
+
+ var editorSize = getRect(display.wrapper);
+ // Used to ensure timeout re-tries don't fire when another extend
+ // happened in the meantime (clearTimeout isn't reliable -- at
+ // least on Chrome, the timeouts still happen even when cleared,
+ // if the clear happens after their scheduled firing time).
+ var counter = 0;
+
+ function extend(e) {
+ var curCount = ++counter;
+ var cur = posFromMouse(cm, e, true);
+ if (!cur) return;
+ if (!posEq(cur, last)) {
+ if (!cm.state.focused) onFocus(cm);
+ last = cur;
+ doSelect(cur);
+ var visible = visibleLines(display, doc);
+ if (cur.line >= visible.to || cur.line < visible.from)
+ setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150);
+ } else {
+ var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
+ if (outside) setTimeout(operation(cm, function() {
+ if (counter != curCount) return;
+ display.scroller.scrollTop += outside;
+ extend(e);
+ }), 50);
+ }
+ }
+
+ function done(e) {
+ counter = Infinity;
+ e_preventDefault(e);
+ focusInput(cm);
+ off(document, "mousemove", move);
+ off(document, "mouseup", up);
+ }
+
+ var move = operation(cm, function(e) {
+ if (!ie && !e_button(e)) done(e);
+ else extend(e);
+ });
+ var up = operation(cm, done);
+ on(document, "mousemove", move);
+ on(document, "mouseup", up);
+ }
+
+ function clickInGutter(cm, e) {
+ var display = cm.display;
+ try { var mX = e.clientX, mY = e.clientY; }
+ catch(e) { return false; }
+
+ if (mX >= Math.floor(getRect(display.gutters).right)) return false;
+ e_preventDefault(e);
+ if (!hasHandler(cm, "gutterClick")) return true;
+
+ var lineBox = getRect(display.lineDiv);
+ if (mY > lineBox.bottom) return true;
+ mY -= lineBox.top - display.viewOffset;
+
+ for (var i = 0; i < cm.options.gutters.length; ++i) {
+ var g = display.gutters.childNodes[i];
+ if (g && getRect(g).right >= mX) {
+ var line = lineAtHeight(cm.doc, mY);
+ var gutter = cm.options.gutters[i];
+ signalLater(cm, "gutterClick", cm, line, gutter, e);
+ break;
+ }
+ }
+ return true;
+ }
+
+ // Kludge to work around strange IE behavior where it'll sometimes
+ // re-fire a series of drag-related events right after the drop (#1551)
+ var lastDrop = 0;
+
+ function onDrop(e) {
+ var cm = this;
+ if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e) || (cm.options.onDragEvent && cm.options.onDragEvent(cm, addStop(e))))
+ return;
+ e_preventDefault(e);
+ if (ie) lastDrop = +new Date;
+ var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
+ if (!pos || isReadOnly(cm)) return;
+ if (files && files.length && window.FileReader && window.File) {
+ var n = files.length, text = Array(n), read = 0;
+ var loadFile = function(file, i) {
+ var reader = new FileReader;
+ reader.onload = function() {
+ text[i] = reader.result;
+ if (++read == n) {
+ pos = clipPos(cm.doc, pos);
+ makeChange(cm.doc, {from: pos, to: pos, text: splitLines(text.join("\n")), origin: "paste"}, "around");
+ }
+ };
+ reader.readAsText(file);
+ };
+ for (var i = 0; i < n; ++i) loadFile(files[i], i);
+ } else {
+ // Don't do a replace if the drop happened inside of the selected text.
+ if (cm.state.draggingText && !(posLess(pos, cm.doc.sel.from) || posLess(cm.doc.sel.to, pos))) {
+ cm.state.draggingText(e);
+ // Ensure the editor is re-focused
+ setTimeout(bind(focusInput, cm), 20);
+ return;
+ }
+ try {
+ var text = e.dataTransfer.getData("Text");
+ if (text) {
+ var curFrom = cm.doc.sel.from, curTo = cm.doc.sel.to;
+ setSelection(cm.doc, pos, pos);
+ if (cm.state.draggingText) replaceRange(cm.doc, "", curFrom, curTo, "paste");
+ cm.replaceSelection(text, null, "paste");
+ focusInput(cm);
+ onFocus(cm);
+ }
+ }
+ catch(e){}
+ }
+ }
+
+ function onDragStart(cm, e) {
+ if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return; }
+ if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return;
+
+ var txt = cm.getSelection();
+ e.dataTransfer.setData("Text", txt);
+
+ // Use dummy image instead of default browsers image.
+ // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
+ if (e.dataTransfer.setDragImage && !safari) {
+ var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
+ if (opera) {
+ img.width = img.height = 1;
+ cm.display.wrapper.appendChild(img);
+ // Force a relayout, or Opera won't use our image for some obscure reason
+ img._top = img.offsetTop;
+ }
+ e.dataTransfer.setDragImage(img, 0, 0);
+ if (opera) img.parentNode.removeChild(img);
+ }
+ }
+
+ function setScrollTop(cm, val) {
+ if (Math.abs(cm.doc.scrollTop - val) < 2) return;
+ cm.doc.scrollTop = val;
+ if (!gecko) updateDisplay(cm, [], val);
+ if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val;
+ if (cm.display.scrollbarV.scrollTop != val) cm.display.scrollbarV.scrollTop = val;
+ if (gecko) updateDisplay(cm, []);
+ startWorker(cm, 100);
+ }
+ function setScrollLeft(cm, val, isScroller) {
+ if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return;
+ val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);
+ cm.doc.scrollLeft = val;
+ alignHorizontally(cm);
+ if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val;
+ if (cm.display.scrollbarH.scrollLeft != val) cm.display.scrollbarH.scrollLeft = val;
+ }
+
+ // Since the delta values reported on mouse wheel events are
+ // unstandardized between browsers and even browser versions, and
+ // generally horribly unpredictable, this code starts by measuring
+ // the scroll effect that the first few mouse wheel events have,
+ // and, from that, detects the way it can convert deltas to pixel
+ // offsets afterwards.
+ //
+ // The reason we want to know the amount a wheel event will scroll
+ // is that it gives us a chance to update the display before the
+ // actual scrolling happens, reducing flickering.
+
+ var wheelSamples = 0, wheelPixelsPerUnit = null;
+ // Fill in a browser-detected starting value on browsers where we
+ // know one. These don't have to be accurate -- the result of them
+ // being wrong would just be a slight flicker on the first wheel
+ // scroll (if it is large enough).
+ if (ie) wheelPixelsPerUnit = -.53;
+ else if (gecko) wheelPixelsPerUnit = 15;
+ else if (chrome) wheelPixelsPerUnit = -.7;
+ else if (safari) wheelPixelsPerUnit = -1/3;
+
+ function onScrollWheel(cm, e) {
+ var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
+ if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail;
+ if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail;
+ else if (dy == null) dy = e.wheelDelta;
+
+ var display = cm.display, scroll = display.scroller;
+ // Quit if there's nothing to scroll here
+ if (!(dx && scroll.scrollWidth > scroll.clientWidth ||
+ dy && scroll.scrollHeight > scroll.clientHeight)) return;
+
+ // Webkit browsers on OS X abort momentum scrolls when the target
+ // of the scroll event is removed from the scrollable element.
+ // This hack (see related code in patchDisplay) makes sure the
+ // element is kept around.
+ if (dy && mac && webkit) {
+ for (var cur = e.target; cur != scroll; cur = cur.parentNode) {
+ if (cur.lineObj) {
+ cm.display.currentWheelTarget = cur;
+ break;
+ }
+ }
+ }
+
+ // On some browsers, horizontal scrolling will cause redraws to
+ // happen before the gutter has been realigned, causing it to
+ // wriggle around in a most unseemly way. When we have an
+ // estimated pixels/delta value, we just handle horizontal
+ // scrolling entirely here. It'll be slightly off from native, but
+ // better than glitching out.
+ if (dx && !gecko && !opera && wheelPixelsPerUnit != null) {
+ if (dy)
+ setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight)));
+ setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth)));
+ e_preventDefault(e);
+ display.wheelStartX = null; // Abort measurement, if in progress
+ return;
+ }
+
+ if (dy && wheelPixelsPerUnit != null) {
+ var pixels = dy * wheelPixelsPerUnit;
+ var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;
+ if (pixels < 0) top = Math.max(0, top + pixels - 50);
+ else bot = Math.min(cm.doc.height, bot + pixels + 50);
+ updateDisplay(cm, [], {top: top, bottom: bot});
+ }
+
+ if (wheelSamples < 20) {
+ if (display.wheelStartX == null) {
+ display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;
+ display.wheelDX = dx; display.wheelDY = dy;
+ setTimeout(function() {
+ if (display.wheelStartX == null) return;
+ var movedX = scroll.scrollLeft - display.wheelStartX;
+ var movedY = scroll.scrollTop - display.wheelStartY;
+ var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||
+ (movedX && display.wheelDX && movedX / display.wheelDX);
+ display.wheelStartX = display.wheelStartY = null;
+ if (!sample) return;
+ wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
+ ++wheelSamples;
+ }, 200);
+ } else {
+ display.wheelDX += dx; display.wheelDY += dy;
+ }
+ }
+ }
+
+ function doHandleBinding(cm, bound, dropShift) {
+ if (typeof bound == "string") {
+ bound = commands[bound];
+ if (!bound) return false;
+ }
+ // Ensure previous input has been read, so that the handler sees a
+ // consistent view of the document
+ if (cm.display.pollingFast && readInput(cm)) cm.display.pollingFast = false;
+ var doc = cm.doc, prevShift = doc.sel.shift, done = false;
+ try {
+ if (isReadOnly(cm)) cm.state.suppressEdits = true;
+ if (dropShift) doc.sel.shift = false;
+ done = bound(cm) != Pass;
+ } finally {
+ doc.sel.shift = prevShift;
+ cm.state.suppressEdits = false;
+ }
+ return done;
+ }
+
+ function allKeyMaps(cm) {
+ var maps = cm.state.keyMaps.slice(0);
+ if (cm.options.extraKeys) maps.push(cm.options.extraKeys);
+ maps.push(cm.options.keyMap);
+ return maps;
+ }
+
+ var maybeTransition;
+ function handleKeyBinding(cm, e) {
+ // Handle auto keymap transitions
+ var startMap = getKeyMap(cm.options.keyMap), next = startMap.auto;
+ clearTimeout(maybeTransition);
+ if (next && !isModifierKey(e)) maybeTransition = setTimeout(function() {
+ if (getKeyMap(cm.options.keyMap) == startMap) {
+ cm.options.keyMap = (next.call ? next.call(null, cm) : next);
+ keyMapChanged(cm);
+ }
+ }, 50);
+
+ var name = keyName(e, true), handled = false;
+ if (!name) return false;
+ var keymaps = allKeyMaps(cm);
+
+ if (e.shiftKey) {
+ // First try to resolve full name (including 'Shift-'). Failing
+ // that, see if there is a cursor-motion command (starting with
+ // 'go') bound to the keyname without 'Shift-'.
+ handled = lookupKey("Shift-" + name, keymaps, function(b) {return doHandleBinding(cm, b, true);})
+ || lookupKey(name, keymaps, function(b) {
+ if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
+ return doHandleBinding(cm, b);
+ });
+ } else {
+ handled = lookupKey(name, keymaps, function(b) { return doHandleBinding(cm, b); });
+ }
+
+ if (handled) {
+ e_preventDefault(e);
+ restartBlink(cm);
+ if (ie_lt9) { e.oldKeyCode = e.keyCode; e.keyCode = 0; }
+ signalLater(cm, "keyHandled", cm, name, e);
+ }
+ return handled;
+ }
+
+ function handleCharBinding(cm, e, ch) {
+ var handled = lookupKey("'" + ch + "'", allKeyMaps(cm),
+ function(b) { return doHandleBinding(cm, b, true); });
+ if (handled) {
+ e_preventDefault(e);
+ restartBlink(cm);
+ signalLater(cm, "keyHandled", cm, "'" + ch + "'", e);
+ }
+ return handled;
+ }
+
+ var lastStoppedKey = null;
+ function onKeyDown(e) {
+ var cm = this;
+ if (!cm.state.focused) onFocus(cm);
+ if (ie && e.keyCode == 27) { e.returnValue = false; }
+ if (signalDOMEvent(cm, e) || cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return;
+ var code = e.keyCode;
+ // IE does strange things with escape.
+ cm.doc.sel.shift = code == 16 || e.shiftKey;
+ // First give onKeyEvent option a chance to handle this.
+ var handled = handleKeyBinding(cm, e);
+ if (opera) {
+ lastStoppedKey = handled ? code : null;
+ // Opera has no cut event... we try to at least catch the key combo
+ if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
+ cm.replaceSelection("");
+ }
+ }
+
+ function onKeyPress(e) {
+ var cm = this;
+ if (signalDOMEvent(cm, e) || cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return;
+ var keyCode = e.keyCode, charCode = e.charCode;
+ if (opera && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;}
+ if (((opera && (!e.which || e.which < 10)) || khtml) && handleKeyBinding(cm, e)) return;
+ var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
+ if (this.options.electricChars && this.doc.mode.electricChars &&
+ this.options.smartIndent && !isReadOnly(this) &&
+ this.doc.mode.electricChars.indexOf(ch) > -1)
+ setTimeout(operation(cm, function() {indentLine(cm, cm.doc.sel.to.line, "smart");}), 75);
+ if (handleCharBinding(cm, e, ch)) return;
+ if (ie && !ie_lt9) cm.display.inputHasSelection = null;
+ fastPoll(cm);
+ }
+
+ function onFocus(cm) {
+ if (cm.options.readOnly == "nocursor") return;
+ if (!cm.state.focused) {
+ signal(cm, "focus", cm);
+ cm.state.focused = true;
+ if (cm.display.wrapper.className.search(/\bCodeMirror-focused\b/) == -1)
+ cm.display.wrapper.className += " CodeMirror-focused";
+ resetInput(cm, true);
+ }
+ slowPoll(cm);
+ restartBlink(cm);
+ }
+ function onBlur(cm) {
+ if (cm.state.focused) {
+ signal(cm, "blur", cm);
+ cm.state.focused = false;
+ cm.display.wrapper.className = cm.display.wrapper.className.replace(" CodeMirror-focused", "");
+ }
+ clearInterval(cm.display.blinker);
+ setTimeout(function() {if (!cm.state.focused) cm.doc.sel.shift = false;}, 150);
+ }
+
+ var detectingSelectAll;
+ function onContextMenu(cm, e) {
+ var display = cm.display, sel = cm.doc.sel;
+ if (eventInWidget(display, e)) return;
+
+ var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
+ if (!pos || opera) return; // Opera is difficult.
+ if (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to))
+ operation(cm, setSelection)(cm.doc, pos, pos);
+
+ var oldCSS = display.input.style.cssText;
+ display.inputDiv.style.position = "absolute";
+ display.input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) +
+ "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; outline: none;" +
+ "border-width: 0; outline: none; overflow: hidden; opacity: .05; -ms-opacity: .05; filter: alpha(opacity=5);";
+ focusInput(cm);
+ resetInput(cm, true);
+ // Adds "Select all" to context menu in FF
+ if (posEq(sel.from, sel.to)) display.input.value = display.prevInput = " ";
+
+ function prepareSelectAllHack() {
+ if (display.input.selectionStart != null) {
+ var extval = display.input.value = " " + (posEq(sel.from, sel.to) ? "" : display.input.value);
+ display.prevInput = " ";
+ display.input.selectionStart = 1; display.input.selectionEnd = extval.length;
+ }
+ }
+ function rehide() {
+ display.inputDiv.style.position = "relative";
+ display.input.style.cssText = oldCSS;
+ if (ie_lt9) display.scrollbarV.scrollTop = display.scroller.scrollTop = scrollPos;
+ slowPoll(cm);
+
+ // Try to detect the user choosing select-all
+ if (display.input.selectionStart != null) {
+ if (!ie || ie_lt9) prepareSelectAllHack();
+ clearTimeout(detectingSelectAll);
+ var i = 0, poll = function(){
+ if (display.prevInput == " " && display.input.selectionStart == 0)
+ operation(cm, commands.selectAll)(cm);
+ else if (i++ < 10) detectingSelectAll = setTimeout(poll, 500);
+ else resetInput(cm);
+ };
+ detectingSelectAll = setTimeout(poll, 200);
+ }
+ }
+
+ if (ie && !ie_lt9) prepareSelectAllHack();
+ if (captureMiddleClick) {
+ e_stop(e);
+ var mouseup = function() {
+ off(window, "mouseup", mouseup);
+ setTimeout(rehide, 20);
+ };
+ on(window, "mouseup", mouseup);
+ } else {
+ setTimeout(rehide, 50);
+ }
+ }
+
+ // UPDATING
+
+ var changeEnd = CodeMirror.changeEnd = function(change) {
+ if (!change.text) return change.to;
+ return Pos(change.from.line + change.text.length - 1,
+ lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0));
+ };
+
+ // Make sure a position will be valid after the given change.
+ function clipPostChange(doc, change, pos) {
+ if (!posLess(change.from, pos)) return clipPos(doc, pos);
+ var diff = (change.text.length - 1) - (change.to.line - change.from.line);
+ if (pos.line > change.to.line + diff) {
+ var preLine = pos.line - diff, lastLine = doc.first + doc.size - 1;
+ if (preLine > lastLine) return Pos(lastLine, getLine(doc, lastLine).text.length);
+ return clipToLen(pos, getLine(doc, preLine).text.length);
+ }
+ if (pos.line == change.to.line + diff)
+ return clipToLen(pos, lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0) +
+ getLine(doc, change.to.line).text.length - change.to.ch);
+ var inside = pos.line - change.from.line;
+ return clipToLen(pos, change.text[inside].length + (inside ? 0 : change.from.ch));
+ }
+
+ // Hint can be null|"end"|"start"|"around"|{anchor,head}
+ function computeSelAfterChange(doc, change, hint) {
+ if (hint && typeof hint == "object") // Assumed to be {anchor, head} object
+ return {anchor: clipPostChange(doc, change, hint.anchor),
+ head: clipPostChange(doc, change, hint.head)};
+
+ if (hint == "start") return {anchor: change.from, head: change.from};
+
+ var end = changeEnd(change);
+ if (hint == "around") return {anchor: change.from, head: end};
+ if (hint == "end") return {anchor: end, head: end};
+
+ // hint is null, leave the selection alone as much as possible
+ var adjustPos = function(pos) {
+ if (posLess(pos, change.from)) return pos;
+ if (!posLess(change.to, pos)) return end;
+
+ var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
+ if (pos.line == change.to.line) ch += end.ch - change.to.ch;
+ return Pos(line, ch);
+ };
+ return {anchor: adjustPos(doc.sel.anchor), head: adjustPos(doc.sel.head)};
+ }
+
+ function filterChange(doc, change, update) {
+ var obj = {
+ canceled: false,
+ from: change.from,
+ to: change.to,
+ text: change.text,
+ origin: change.origin,
+ cancel: function() { this.canceled = true; }
+ };
+ if (update) obj.update = function(from, to, text, origin) {
+ if (from) this.from = clipPos(doc, from);
+ if (to) this.to = clipPos(doc, to);
+ if (text) this.text = text;
+ if (origin !== undefined) this.origin = origin;
+ };
+ signal(doc, "beforeChange", doc, obj);
+ if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj);
+
+ if (obj.canceled) return null;
+ return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin};
+ }
+
+ // Replace the range from from to to by the strings in replacement.
+ // change is a {from, to, text [, origin]} object
+ function makeChange(doc, change, selUpdate, ignoreReadOnly) {
+ if (doc.cm) {
+ if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, selUpdate, ignoreReadOnly);
+ if (doc.cm.state.suppressEdits) return;
+ }
+
+ if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
+ change = filterChange(doc, change, true);
+ if (!change) return;
+ }
+
+ // Possibly split or suppress the update based on the presence
+ // of read-only spans in its range.
+ var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
+ if (split) {
+ for (var i = split.length - 1; i >= 1; --i)
+ makeChangeNoReadonly(doc, {from: split[i].from, to: split[i].to, text: [""]});
+ if (split.length)
+ makeChangeNoReadonly(doc, {from: split[0].from, to: split[0].to, text: change.text}, selUpdate);
+ } else {
+ makeChangeNoReadonly(doc, change, selUpdate);
+ }
+ }
+
+ function makeChangeNoReadonly(doc, change, selUpdate) {
+ var selAfter = computeSelAfterChange(doc, change, selUpdate);
+ addToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);
+
+ makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
+ var rebased = [];
+
+ linkedDocs(doc, function(doc, sharedHist) {
+ if (!sharedHist && indexOf(rebased, doc.history) == -1) {
+ rebaseHist(doc.history, change);
+ rebased.push(doc.history);
+ }
+ makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));
+ });
+ }
+
+ function makeChangeFromHistory(doc, type) {
+ if (doc.cm && doc.cm.state.suppressEdits) return;
+
+ var hist = doc.history;
+ var event = (type == "undo" ? hist.done : hist.undone).pop();
+ if (!event) return;
+
+ var anti = {changes: [], anchorBefore: event.anchorAfter, headBefore: event.headAfter,
+ anchorAfter: event.anchorBefore, headAfter: event.headBefore,
+ generation: hist.generation};
+ (type == "undo" ? hist.undone : hist.done).push(anti);
+ hist.generation = event.generation || ++hist.maxGeneration;
+
+ var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");
+
+ for (var i = event.changes.length - 1; i >= 0; --i) {
+ var change = event.changes[i];
+ change.origin = type;
+ if (filter && !filterChange(doc, change, false)) {
+ (type == "undo" ? hist.done : hist.undone).length = 0;
+ return;
+ }
+
+ anti.changes.push(historyChangeFromChange(doc, change));
+
+ var after = i ? computeSelAfterChange(doc, change, null)
+ : {anchor: event.anchorBefore, head: event.headBefore};
+ makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
+ var rebased = [];
+
+ linkedDocs(doc, function(doc, sharedHist) {
+ if (!sharedHist && indexOf(rebased, doc.history) == -1) {
+ rebaseHist(doc.history, change);
+ rebased.push(doc.history);
+ }
+ makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));
+ });
+ }
+ }
+
+ function shiftDoc(doc, distance) {
+ function shiftPos(pos) {return Pos(pos.line + distance, pos.ch);}
+ doc.first += distance;
+ if (doc.cm) regChange(doc.cm, doc.first, doc.first, distance);
+ doc.sel.head = shiftPos(doc.sel.head); doc.sel.anchor = shiftPos(doc.sel.anchor);
+ doc.sel.from = shiftPos(doc.sel.from); doc.sel.to = shiftPos(doc.sel.to);
+ }
+
+ function makeChangeSingleDoc(doc, change, selAfter, spans) {
+ if (doc.cm && !doc.cm.curOp)
+ return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans);
+
+ if (change.to.line < doc.first) {
+ shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
+ return;
+ }
+ if (change.from.line > doc.lastLine()) return;
+
+ // Clip the change to the size of this doc
+ if (change.from.line < doc.first) {
+ var shift = change.text.length - 1 - (doc.first - change.from.line);
+ shiftDoc(doc, shift);
+ change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
+ text: [lst(change.text)], origin: change.origin};
+ }
+ var last = doc.lastLine();
+ if (change.to.line > last) {
+ change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
+ text: [change.text[0]], origin: change.origin};
+ }
+
+ change.removed = getBetween(doc, change.from, change.to);
+
+ if (!selAfter) selAfter = computeSelAfterChange(doc, change, null);
+ if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans, selAfter);
+ else updateDoc(doc, change, spans, selAfter);
+ }
+
+ function makeChangeSingleDocInEditor(cm, change, spans, selAfter) {
+ var doc = cm.doc, display = cm.display, from = change.from, to = change.to;
+
+ var recomputeMaxLength = false, checkWidthStart = from.line;
+ if (!cm.options.lineWrapping) {
+ checkWidthStart = lineNo(visualLine(doc, getLine(doc, from.line)));
+ doc.iter(checkWidthStart, to.line + 1, function(line) {
+ if (line == display.maxLine) {
+ recomputeMaxLength = true;
+ return true;
+ }
+ });
+ }
+
+ if (!posLess(doc.sel.head, change.from) && !posLess(change.to, doc.sel.head))
+ cm.curOp.cursorActivity = true;
+
+ updateDoc(doc, change, spans, selAfter, estimateHeight(cm));
+
+ if (!cm.options.lineWrapping) {
+ doc.iter(checkWidthStart, from.line + change.text.length, function(line) {
+ var len = lineLength(doc, line);
+ if (len > display.maxLineLength) {
+ display.maxLine = line;
+ display.maxLineLength = len;
+ display.maxLineChanged = true;
+ recomputeMaxLength = false;
+ }
+ });
+ if (recomputeMaxLength) cm.curOp.updateMaxLine = true;
+ }
+
+ // Adjust frontier, schedule worker
+ doc.frontier = Math.min(doc.frontier, from.line);
+ startWorker(cm, 400);
+
+ var lendiff = change.text.length - (to.line - from.line) - 1;
+ // Remember that these lines changed, for updating the display
+ regChange(cm, from.line, to.line + 1, lendiff);
+
+ if (hasHandler(cm, "change")) {
+ var changeObj = {from: from, to: to,
+ text: change.text,
+ removed: change.removed,
+ origin: change.origin};
+ if (cm.curOp.textChanged) {
+ for (var cur = cm.curOp.textChanged; cur.next; cur = cur.next) {}
+ cur.next = changeObj;
+ } else cm.curOp.textChanged = changeObj;
+ }
+ }
+
+ function replaceRange(doc, code, from, to, origin) {
+ if (!to) to = from;
+ if (posLess(to, from)) { var tmp = to; to = from; from = tmp; }
+ if (typeof code == "string") code = splitLines(code);
+ makeChange(doc, {from: from, to: to, text: code, origin: origin}, null);
+ }
+
+ // POSITION OBJECT
+
+ function Pos(line, ch) {
+ if (!(this instanceof Pos)) return new Pos(line, ch);
+ this.line = line; this.ch = ch;
+ }
+ CodeMirror.Pos = Pos;
+
+ function posEq(a, b) {return a.line == b.line && a.ch == b.ch;}
+ function posLess(a, b) {return a.line < b.line || (a.line == b.line && a.ch < b.ch);}
+ function copyPos(x) {return Pos(x.line, x.ch);}
+
+ // SELECTION
+
+ function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));}
+ function clipPos(doc, pos) {
+ if (pos.line < doc.first) return Pos(doc.first, 0);
+ var last = doc.first + doc.size - 1;
+ if (pos.line > last) return Pos(last, getLine(doc, last).text.length);
+ return clipToLen(pos, getLine(doc, pos.line).text.length);
+ }
+ function clipToLen(pos, linelen) {
+ var ch = pos.ch;
+ if (ch == null || ch > linelen) return Pos(pos.line, linelen);
+ else if (ch < 0) return Pos(pos.line, 0);
+ else return pos;
+ }
+ function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;}
+
+ // If shift is held, this will move the selection anchor. Otherwise,
+ // it'll set the whole selection.
+ function extendSelection(doc, pos, other, bias) {
+ if (doc.sel.shift || doc.sel.extend) {
+ var anchor = doc.sel.anchor;
+ if (other) {
+ var posBefore = posLess(pos, anchor);
+ if (posBefore != posLess(other, anchor)) {
+ anchor = pos;
+ pos = other;
+ } else if (posBefore != posLess(pos, other)) {
+ pos = other;
+ }
+ }
+ setSelection(doc, anchor, pos, bias);
+ } else {
+ setSelection(doc, pos, other || pos, bias);
+ }
+ if (doc.cm) doc.cm.curOp.userSelChange = true;
+ }
+
+ function filterSelectionChange(doc, anchor, head) {
+ var obj = {anchor: anchor, head: head};
+ signal(doc, "beforeSelectionChange", doc, obj);
+ if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj);
+ obj.anchor = clipPos(doc, obj.anchor); obj.head = clipPos(doc, obj.head);
+ return obj;
+ }
+
+ // Update the selection. Last two args are only used by
+ // updateDoc, since they have to be expressed in the line
+ // numbers before the update.
+ function setSelection(doc, anchor, head, bias, checkAtomic) {
+ if (!checkAtomic && hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) {
+ var filtered = filterSelectionChange(doc, anchor, head);
+ head = filtered.head;
+ anchor = filtered.anchor;
+ }
+
+ var sel = doc.sel;
+ sel.goalColumn = null;
+ // Skip over atomic spans.
+ if (checkAtomic || !posEq(anchor, sel.anchor))
+ anchor = skipAtomic(doc, anchor, bias, checkAtomic != "push");
+ if (checkAtomic || !posEq(head, sel.head))
+ head = skipAtomic(doc, head, bias, checkAtomic != "push");
+
+ if (posEq(sel.anchor, anchor) && posEq(sel.head, head)) return;
+
+ sel.anchor = anchor; sel.head = head;
+ var inv = posLess(head, anchor);
+ sel.from = inv ? head : anchor;
+ sel.to = inv ? anchor : head;
+
+ if (doc.cm)
+ doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged =
+ doc.cm.curOp.cursorActivity = true;
+
+ signalLater(doc, "cursorActivity", doc);
+ }
+
+ function reCheckSelection(cm) {
+ setSelection(cm.doc, cm.doc.sel.from, cm.doc.sel.to, null, "push");
+ }
+
+ function skipAtomic(doc, pos, bias, mayClear) {
+ var flipped = false, curPos = pos;
+ var dir = bias || 1;
+ doc.cantEdit = false;
+ search: for (;;) {
+ var line = getLine(doc, curPos.line);
+ if (line.markedSpans) {
+ for (var i = 0; i < line.markedSpans.length; ++i) {
+ var sp = line.markedSpans[i], m = sp.marker;
+ if ((sp.from == null || (m.inclusiveLeft ? sp.from <= curPos.ch : sp.from < curPos.ch)) &&
+ (sp.to == null || (m.inclusiveRight ? sp.to >= curPos.ch : sp.to > curPos.ch))) {
+ if (mayClear) {
+ signal(m, "beforeCursorEnter");
+ if (m.explicitlyCleared) {
+ if (!line.markedSpans) break;
+ else {--i; continue;}
+ }
+ }
+ if (!m.atomic) continue;
+ var newPos = m.find()[dir < 0 ? "from" : "to"];
+ if (posEq(newPos, curPos)) {
+ newPos.ch += dir;
+ if (newPos.ch < 0) {
+ if (newPos.line > doc.first) newPos = clipPos(doc, Pos(newPos.line - 1));
+ else newPos = null;
+ } else if (newPos.ch > line.text.length) {
+ if (newPos.line < doc.first + doc.size - 1) newPos = Pos(newPos.line + 1, 0);
+ else newPos = null;
+ }
+ if (!newPos) {
+ if (flipped) {
+ // Driven in a corner -- no valid cursor position found at all
+ // -- try again *with* clearing, if we didn't already
+ if (!mayClear) return skipAtomic(doc, pos, bias, true);
+ // Otherwise, turn off editing until further notice, and return the start of the doc
+ doc.cantEdit = true;
+ return Pos(doc.first, 0);
+ }
+ flipped = true; newPos = pos; dir = -dir;
+ }
+ }
+ curPos = newPos;
+ continue search;
+ }
+ }
+ }
+ return curPos;
+ }
+ }
+
+ // SCROLLING
+
+ function scrollCursorIntoView(cm) {
+ var coords = scrollPosIntoView(cm, cm.doc.sel.head, cm.options.cursorScrollMargin);
+ if (!cm.state.focused) return;
+ var display = cm.display, box = getRect(display.sizer), doScroll = null;
+ if (coords.top + box.top < 0) doScroll = true;
+ else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false;
+ if (doScroll != null && !phantom) {
+ var hidden = display.cursor.style.display == "none";
+ if (hidden) {
+ display.cursor.style.display = "";
+ display.cursor.style.left = coords.left + "px";
+ display.cursor.style.top = (coords.top - display.viewOffset) + "px";
+ }
+ display.cursor.scrollIntoView(doScroll);
+ if (hidden) display.cursor.style.display = "none";
+ }
+ }
+
+ function scrollPosIntoView(cm, pos, margin) {
+ if (margin == null) margin = 0;
+ for (;;) {
+ var changed = false, coords = cursorCoords(cm, pos);
+ var scrollPos = calculateScrollPos(cm, coords.left, coords.top - margin, coords.left, coords.bottom + margin);
+ var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
+ if (scrollPos.scrollTop != null) {
+ setScrollTop(cm, scrollPos.scrollTop);
+ if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true;
+ }
+ if (scrollPos.scrollLeft != null) {
+ setScrollLeft(cm, scrollPos.scrollLeft);
+ if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true;
+ }
+ if (!changed) return coords;
+ }
+ }
+
+ function scrollIntoView(cm, x1, y1, x2, y2) {
+ var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2);
+ if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop);
+ if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft);
+ }
+
+ function calculateScrollPos(cm, x1, y1, x2, y2) {
+ var display = cm.display, snapMargin = textHeight(cm.display);
+ if (y1 < 0) y1 = 0;
+ var screen = display.scroller.clientHeight - scrollerCutOff, screentop = display.scroller.scrollTop, result = {};
+ var docBottom = cm.doc.height + paddingVert(display);
+ var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin;
+ if (y1 < screentop) {
+ result.scrollTop = atTop ? 0 : y1;
+ } else if (y2 > screentop + screen) {
+ var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen);
+ if (newTop != screentop) result.scrollTop = newTop;
+ }
+
+ var screenw = display.scroller.clientWidth - scrollerCutOff, screenleft = display.scroller.scrollLeft;
+ x1 += display.gutters.offsetWidth; x2 += display.gutters.offsetWidth;
+ var gutterw = display.gutters.offsetWidth;
+ var atLeft = x1 < gutterw + 10;
+ if (x1 < screenleft + gutterw || atLeft) {
+ if (atLeft) x1 = 0;
+ result.scrollLeft = Math.max(0, x1 - 10 - gutterw);
+ } else if (x2 > screenw + screenleft - 3) {
+ result.scrollLeft = x2 + 10 - screenw;
+ }
+ return result;
+ }
+
+ function updateScrollPos(cm, left, top) {
+ cm.curOp.updateScrollPos = {scrollLeft: left == null ? cm.doc.scrollLeft : left,
+ scrollTop: top == null ? cm.doc.scrollTop : top};
+ }
+
+ function addToScrollPos(cm, left, top) {
+ var pos = cm.curOp.updateScrollPos || (cm.curOp.updateScrollPos = {scrollLeft: cm.doc.scrollLeft, scrollTop: cm.doc.scrollTop});
+ var scroll = cm.display.scroller;
+ pos.scrollTop = Math.max(0, Math.min(scroll.scrollHeight - scroll.clientHeight, pos.scrollTop + top));
+ pos.scrollLeft = Math.max(0, Math.min(scroll.scrollWidth - scroll.clientWidth, pos.scrollLeft + left));
+ }
+
+ // API UTILITIES
+
+ function indentLine(cm, n, how, aggressive) {
+ var doc = cm.doc;
+ if (how == null) how = "add";
+ if (how == "smart") {
+ if (!cm.doc.mode.indent) how = "prev";
+ else var state = getStateBefore(cm, n);
+ }
+
+ var tabSize = cm.options.tabSize;
+ var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
+ var curSpaceString = line.text.match(/^\s*/)[0], indentation;
+ if (how == "smart") {
+ indentation = cm.doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
+ if (indentation == Pass) {
+ if (!aggressive) return;
+ how = "prev";
+ }
+ }
+ if (how == "prev") {
+ if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize);
+ else indentation = 0;
+ } else if (how == "add") {
+ indentation = curSpace + cm.options.indentUnit;
+ } else if (how == "subtract") {
+ indentation = curSpace - cm.options.indentUnit;
+ } else if (typeof how == "number") {
+ indentation = curSpace + how;
+ }
+ indentation = Math.max(0, indentation);
+
+ var indentString = "", pos = 0;
+ if (cm.options.indentWithTabs)
+ for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";}
+ if (pos < indentation) indentString += spaceStr(indentation - pos);
+
+ if (indentString != curSpaceString)
+ replaceRange(cm.doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
+ line.stateAfter = null;
+ }
+
+ function changeLine(cm, handle, op) {
+ var no = handle, line = handle, doc = cm.doc;
+ if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle));
+ else no = lineNo(handle);
+ if (no == null) return null;
+ if (op(line, no)) regChange(cm, no, no + 1);
+ else return null;
+ return line;
+ }
+
+ function findPosH(doc, pos, dir, unit, visually) {
+ var line = pos.line, ch = pos.ch, origDir = dir;
+ var lineObj = getLine(doc, line);
+ var possible = true;
+ function findNextLine() {
+ var l = line + dir;
+ if (l < doc.first || l >= doc.first + doc.size) return (possible = false);
+ line = l;
+ return lineObj = getLine(doc, l);
+ }
+ function moveOnce(boundToLine) {
+ var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true);
+ if (next == null) {
+ if (!boundToLine && findNextLine()) {
+ if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj);
+ else ch = dir < 0 ? lineObj.text.length : 0;
+ } else return (possible = false);
+ } else ch = next;
+ return true;
+ }
+
+ if (unit == "char") moveOnce();
+ else if (unit == "column") moveOnce(true);
+ else if (unit == "word" || unit == "group") {
+ var sawType = null, group = unit == "group";
+ for (var first = true;; first = false) {
+ if (dir < 0 && !moveOnce(!first)) break;
+ var cur = lineObj.text.charAt(ch) || "\n";
+ var type = isWordChar(cur) ? "w"
+ : !group ? null
+ : /\s/.test(cur) ? null
+ : "p";
+ if (sawType && sawType != type) {
+ if (dir < 0) {dir = 1; moveOnce();}
+ break;
+ }
+ if (type) sawType = type;
+ if (dir > 0 && !moveOnce(!first)) break;
+ }
+ }
+ var result = skipAtomic(doc, Pos(line, ch), origDir, true);
+ if (!possible) result.hitSide = true;
+ return result;
+ }
+
+ function findPosV(cm, pos, dir, unit) {
+ var doc = cm.doc, x = pos.left, y;
+ if (unit == "page") {
+ var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
+ y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display));
+ } else if (unit == "line") {
+ y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
+ }
+ for (;;) {
+ var target = coordsChar(cm, x, y);
+ if (!target.outside) break;
+ if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; }
+ y += dir * 5;
+ }
+ return target;
+ }
+
+ function findWordAt(line, pos) {
+ var start = pos.ch, end = pos.ch;
+ if (line) {
+ if (pos.xRel < 0 || end == line.length) --start; else ++end;
+ var startChar = line.charAt(start);
+ var check = isWordChar(startChar) ? isWordChar
+ : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);}
+ : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);};
+ while (start > 0 && check(line.charAt(start - 1))) --start;
+ while (end < line.length && check(line.charAt(end))) ++end;
+ }
+ return {from: Pos(pos.line, start), to: Pos(pos.line, end)};
+ }
+
+ function selectLine(cm, line) {
+ extendSelection(cm.doc, Pos(line, 0), clipPos(cm.doc, Pos(line + 1, 0)));
+ }
+
+ // PROTOTYPE
+
+ // The publicly visible API. Note that operation(null, f) means
+ // 'wrap f in an operation, performed on its `this` parameter'
+
+ CodeMirror.prototype = {
+ constructor: CodeMirror,
+ focus: function(){window.focus(); focusInput(this); onFocus(this); fastPoll(this);},
+
+ setOption: function(option, value) {
+ var options = this.options, old = options[option];
+ if (options[option] == value && option != "mode") return;
+ options[option] = value;
+ if (optionHandlers.hasOwnProperty(option))
+ operation(this, optionHandlers[option])(this, value, old);
+ },
+
+ getOption: function(option) {return this.options[option];},
+ getDoc: function() {return this.doc;},
+
+ addKeyMap: function(map, bottom) {
+ this.state.keyMaps[bottom ? "push" : "unshift"](map);
+ },
+ removeKeyMap: function(map) {
+ var maps = this.state.keyMaps;
+ for (var i = 0; i < maps.length; ++i)
+ if ((typeof map == "string" ? maps[i].name : maps[i]) == map) {
+ maps.splice(i, 1);
+ return true;
+ }
+ },
+
+ addOverlay: operation(null, function(spec, options) {
+ var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);
+ if (mode.startState) throw new Error("Overlays may not be stateful.");
+ this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque});
+ this.state.modeGen++;
+ regChange(this);
+ }),
+ removeOverlay: operation(null, function(spec) {
+ var overlays = this.state.overlays;
+ for (var i = 0; i < overlays.length; ++i) {
+ var cur = overlays[i].modeSpec;
+ if (cur == spec || typeof spec == "string" && cur.name == spec) {
+ overlays.splice(i, 1);
+ this.state.modeGen++;
+ regChange(this);
+ return;
+ }
+ }
+ }),
+
+ indentLine: operation(null, function(n, dir, aggressive) {
+ if (typeof dir != "string" && typeof dir != "number") {
+ if (dir == null) dir = this.options.smartIndent ? "smart" : "prev";
+ else dir = dir ? "add" : "subtract";
+ }
+ if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive);
+ }),
+ indentSelection: operation(null, function(how) {
+ var sel = this.doc.sel;
+ if (posEq(sel.from, sel.to)) return indentLine(this, sel.from.line, how);
+ var e = sel.to.line - (sel.to.ch ? 0 : 1);
+ for (var i = sel.from.line; i <= e; ++i) indentLine(this, i, how);
+ }),
+
+ // Fetch the parser token for a given character. Useful for hacks
+ // that want to inspect the mode state (say, for completion).
+ getTokenAt: function(pos, precise) {
+ var doc = this.doc;
+ pos = clipPos(doc, pos);
+ var state = getStateBefore(this, pos.line, precise), mode = this.doc.mode;
+ var line = getLine(doc, pos.line);
+ var stream = new StringStream(line.text, this.options.tabSize);
+ while (stream.pos < pos.ch && !stream.eol()) {
+ stream.start = stream.pos;
+ var style = mode.token(stream, state);
+ }
+ return {start: stream.start,
+ end: stream.pos,
+ string: stream.current(),
+ className: style || null, // Deprecated, use 'type' instead
+ type: style || null,
+ state: state};
+ },
+
+ getTokenTypeAt: function(pos) {
+ pos = clipPos(this.doc, pos);
+ var styles = getLineStyles(this, getLine(this.doc, pos.line));
+ var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
+ for (;;) {
+ var mid = (before + after) >> 1;
+ if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid;
+ else if (styles[mid * 2 + 1] < ch) before = mid + 1;
+ else return styles[mid * 2 + 2];
+ }
+ },
+
+ getStateAfter: function(line, precise) {
+ var doc = this.doc;
+ line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);
+ return getStateBefore(this, line + 1, precise);
+ },
+
+ cursorCoords: function(start, mode) {
+ var pos, sel = this.doc.sel;
+ if (start == null) pos = sel.head;
+ else if (typeof start == "object") pos = clipPos(this.doc, start);
+ else pos = start ? sel.from : sel.to;
+ return cursorCoords(this, pos, mode || "page");
+ },
+
+ charCoords: function(pos, mode) {
+ return charCoords(this, clipPos(this.doc, pos), mode || "page");
+ },
+
+ coordsChar: function(coords, mode) {
+ coords = fromCoordSystem(this, coords, mode || "page");
+ return coordsChar(this, coords.left, coords.top);
+ },
+
+ lineAtHeight: function(height, mode) {
+ height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;
+ return lineAtHeight(this.doc, height + this.display.viewOffset);
+ },
+ heightAtLine: function(line, mode) {
+ var end = false, last = this.doc.first + this.doc.size - 1;
+ if (line < this.doc.first) line = this.doc.first;
+ else if (line > last) { line = last; end = true; }
+ var lineObj = getLine(this.doc, line);
+ return intoCoordSystem(this, getLine(this.doc, line), {top: 0, left: 0}, mode || "page").top +
+ (end ? lineObj.height : 0);
+ },
+
+ defaultTextHeight: function() { return textHeight(this.display); },
+ defaultCharWidth: function() { return charWidth(this.display); },
+
+ setGutterMarker: operation(null, function(line, gutterID, value) {
+ return changeLine(this, line, function(line) {
+ var markers = line.gutterMarkers || (line.gutterMarkers = {});
+ markers[gutterID] = value;
+ if (!value && isEmpty(markers)) line.gutterMarkers = null;
+ return true;
+ });
+ }),
+
+ clearGutter: operation(null, function(gutterID) {
+ var cm = this, doc = cm.doc, i = doc.first;
+ doc.iter(function(line) {
+ if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
+ line.gutterMarkers[gutterID] = null;
+ regChange(cm, i, i + 1);
+ if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null;
+ }
+ ++i;
+ });
+ }),
+
+ addLineClass: operation(null, function(handle, where, cls) {
+ return changeLine(this, handle, function(line) {
+ var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : "wrapClass";
+ if (!line[prop]) line[prop] = cls;
+ else if (new RegExp("(?:^|\\s)" + cls + "(?:$|\\s)").test(line[prop])) return false;
+ else line[prop] += " " + cls;
+ return true;
+ });
+ }),
+
+ removeLineClass: operation(null, function(handle, where, cls) {
+ return changeLine(this, handle, function(line) {
+ var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : "wrapClass";
+ var cur = line[prop];
+ if (!cur) return false;
+ else if (cls == null) line[prop] = null;
+ else {
+ var found = cur.match(new RegExp("(?:^|\\s+)" + cls + "(?:$|\\s+)"));
+ if (!found) return false;
+ var end = found.index + found[0].length;
+ line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;
+ }
+ return true;
+ });
+ }),
+
+ addLineWidget: operation(null, function(handle, node, options) {
+ return addLineWidget(this, handle, node, options);
+ }),
+
+ removeLineWidget: function(widget) { widget.clear(); },
+
+ lineInfo: function(line) {
+ if (typeof line == "number") {
+ if (!isLine(this.doc, line)) return null;
+ var n = line;
+ line = getLine(this.doc, line);
+ if (!line) return null;
+ } else {
+ var n = lineNo(line);
+ if (n == null) return null;
+ }
+ return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
+ textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
+ widgets: line.widgets};
+ },
+
+ getViewport: function() { return {from: this.display.showingFrom, to: this.display.showingTo};},
+
+ addWidget: function(pos, node, scroll, vert, horiz) {
+ var display = this.display;
+ pos = cursorCoords(this, clipPos(this.doc, pos));
+ var top = pos.bottom, left = pos.left;
+ node.style.position = "absolute";
+ display.sizer.appendChild(node);
+ if (vert == "over") {
+ top = pos.top;
+ } else if (vert == "above" || vert == "near") {
+ var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
+ hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
+ // Default to positioning above (if specified and possible); otherwise default to positioning below
+ if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
+ top = pos.top - node.offsetHeight;
+ else if (pos.bottom + node.offsetHeight <= vspace)
+ top = pos.bottom;
+ if (left + node.offsetWidth > hspace)
+ left = hspace - node.offsetWidth;
+ }
+ node.style.top = top + "px";
+ node.style.left = node.style.right = "";
+ if (horiz == "right") {
+ left = display.sizer.clientWidth - node.offsetWidth;
+ node.style.right = "0px";
+ } else {
+ if (horiz == "left") left = 0;
+ else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2;
+ node.style.left = left + "px";
+ }
+ if (scroll)
+ scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight);
+ },
+
+ triggerOnKeyDown: operation(null, onKeyDown),
+
+ execCommand: function(cmd) {return commands[cmd](this);},
+
+ findPosH: function(from, amount, unit, visually) {
+ var dir = 1;
+ if (amount < 0) { dir = -1; amount = -amount; }
+ for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) {
+ cur = findPosH(this.doc, cur, dir, unit, visually);
+ if (cur.hitSide) break;
+ }
+ return cur;
+ },
+
+ moveH: operation(null, function(dir, unit) {
+ var sel = this.doc.sel, pos;
+ if (sel.shift || sel.extend || posEq(sel.from, sel.to))
+ pos = findPosH(this.doc, sel.head, dir, unit, this.options.rtlMoveVisually);
+ else
+ pos = dir < 0 ? sel.from : sel.to;
+ extendSelection(this.doc, pos, pos, dir);
+ }),
+
+ deleteH: operation(null, function(dir, unit) {
+ var sel = this.doc.sel;
+ if (!posEq(sel.from, sel.to)) replaceRange(this.doc, "", sel.from, sel.to, "+delete");
+ else replaceRange(this.doc, "", sel.from, findPosH(this.doc, sel.head, dir, unit, false), "+delete");
+ this.curOp.userSelChange = true;
+ }),
+
+ findPosV: function(from, amount, unit, goalColumn) {
+ var dir = 1, x = goalColumn;
+ if (amount < 0) { dir = -1; amount = -amount; }
+ for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) {
+ var coords = cursorCoords(this, cur, "div");
+ if (x == null) x = coords.left;
+ else coords.left = x;
+ cur = findPosV(this, coords, dir, unit);
+ if (cur.hitSide) break;
+ }
+ return cur;
+ },
+
+ moveV: operation(null, function(dir, unit) {
+ var sel = this.doc.sel;
+ var pos = cursorCoords(this, sel.head, "div");
+ if (sel.goalColumn != null) pos.left = sel.goalColumn;
+ var target = findPosV(this, pos, dir, unit);
+
+ if (unit == "page") addToScrollPos(this, 0, charCoords(this, target, "div").top - pos.top);
+ extendSelection(this.doc, target, target, dir);
+ sel.goalColumn = pos.left;
+ }),
+
+ toggleOverwrite: function(value) {
+ if (value != null && value == this.state.overwrite) return;
+ if (this.state.overwrite = !this.state.overwrite)
+ this.display.cursor.className += " CodeMirror-overwrite";
+ else
+ this.display.cursor.className = this.display.cursor.className.replace(" CodeMirror-overwrite", "");
+ },
+ hasFocus: function() { return this.state.focused; },
+
+ scrollTo: operation(null, function(x, y) {
+ updateScrollPos(this, x, y);
+ }),
+ getScrollInfo: function() {
+ var scroller = this.display.scroller, co = scrollerCutOff;
+ return {left: scroller.scrollLeft, top: scroller.scrollTop,
+ height: scroller.scrollHeight - co, width: scroller.scrollWidth - co,
+ clientHeight: scroller.clientHeight - co, clientWidth: scroller.clientWidth - co};
+ },
+
+ scrollIntoView: operation(null, function(pos, margin) {
+ if (typeof pos == "number") pos = Pos(pos, 0);
+ if (!margin) margin = 0;
+ var coords = pos;
+
+ if (!pos || pos.line != null) {
+ this.curOp.scrollToPos = pos ? clipPos(this.doc, pos) : this.doc.sel.head;
+ this.curOp.scrollToPosMargin = margin;
+ coords = cursorCoords(this, this.curOp.scrollToPos);
+ }
+ var sPos = calculateScrollPos(this, coords.left, coords.top - margin, coords.right, coords.bottom + margin);
+ updateScrollPos(this, sPos.scrollLeft, sPos.scrollTop);
+ }),
+
+ setSize: function(width, height) {
+ function interpret(val) {
+ return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val;
+ }
+ if (width != null) this.display.wrapper.style.width = interpret(width);
+ if (height != null) this.display.wrapper.style.height = interpret(height);
+ this.refresh();
+ },
+
+ on: function(type, f) {on(this, type, f);},
+ off: function(type, f) {off(this, type, f);},
+
+ operation: function(f){return runInOp(this, f);},
+
+ refresh: operation(null, function() {
+ clearCaches(this);
+ updateScrollPos(this, this.doc.scrollLeft, this.doc.scrollTop);
+ regChange(this);
+ }),
+
+ swapDoc: operation(null, function(doc) {
+ var old = this.doc;
+ old.cm = null;
+ attachDoc(this, doc);
+ clearCaches(this);
+ resetInput(this, true);
+ updateScrollPos(this, doc.scrollLeft, doc.scrollTop);
+ return old;
+ }),
+
+ getInputField: function(){return this.display.input;},
+ getWrapperElement: function(){return this.display.wrapper;},
+ getScrollerElement: function(){return this.display.scroller;},
+ getGutterElement: function(){return this.display.gutters;}
+ };
+
+ // OPTION DEFAULTS
+
+ var optionHandlers = CodeMirror.optionHandlers = {};
+
+ // The default configuration options.
+ var defaults = CodeMirror.defaults = {};
+
+ function option(name, deflt, handle, notOnInit) {
+ CodeMirror.defaults[name] = deflt;
+ if (handle) optionHandlers[name] =
+ notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle;
+ }
+
+ var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}};
+
+ // These two are, on init, called from the constructor because they
+ // have to be initialized before the editor can start at all.
+ option("value", "", function(cm, val) {
+ cm.setValue(val);
+ }, true);
+ option("mode", null, function(cm, val) {
+ cm.doc.modeOption = val;
+ loadMode(cm);
+ }, true);
+
+ option("indentUnit", 2, loadMode, true);
+ option("indentWithTabs", false);
+ option("smartIndent", true);
+ option("tabSize", 4, function(cm) {
+ loadMode(cm);
+ clearCaches(cm);
+ regChange(cm);
+ }, true);
+ option("electricChars", true);
+ option("rtlMoveVisually", !windows);
+
+ option("theme", "default", function(cm) {
+ themeChanged(cm);
+ guttersChanged(cm);
+ }, true);
+ option("keyMap", "default", keyMapChanged);
+ option("extraKeys", null);
+
+ option("onKeyEvent", null);
+ option("onDragEvent", null);
+
+ option("lineWrapping", false, wrappingChanged, true);
+ option("gutters", [], function(cm) {
+ setGuttersForLineNumbers(cm.options);
+ guttersChanged(cm);
+ }, true);
+ option("fixedGutter", true, function(cm, val) {
+ cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
+ cm.refresh();
+ }, true);
+ option("coverGutterNextToScrollbar", false, updateScrollbars, true);
+ option("lineNumbers", false, function(cm) {
+ setGuttersForLineNumbers(cm.options);
+ guttersChanged(cm);
+ }, true);
+ option("firstLineNumber", 1, guttersChanged, true);
+ option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true);
+ option("showCursorWhenSelecting", false, updateSelection, true);
+
+ option("readOnly", false, function(cm, val) {
+ if (val == "nocursor") {onBlur(cm); cm.display.input.blur();}
+ else if (!val) resetInput(cm, true);
+ });
+ option("dragDrop", true);
+
+ option("cursorBlinkRate", 530);
+ option("cursorScrollMargin", 0);
+ option("cursorHeight", 1);
+ option("workTime", 100);
+ option("workDelay", 100);
+ option("flattenSpans", true);
+ option("pollInterval", 100);
+ option("undoDepth", 40, function(cm, val){cm.doc.history.undoDepth = val;});
+ option("historyEventDelay", 500);
+ option("viewportMargin", 10, function(cm){cm.refresh();}, true);
+ option("maxHighlightLength", 10000, function(cm){loadMode(cm); cm.refresh();}, true);
+ option("moveInputWithCursor", true, function(cm, val) {
+ if (!val) cm.display.inputDiv.style.top = cm.display.inputDiv.style.left = 0;
+ });
+
+ option("tabindex", null, function(cm, val) {
+ cm.display.input.tabIndex = val || "";
+ });
+ option("autofocus", null);
+
+ // MODE DEFINITION AND QUERYING
+
+ // Known modes, by name and by MIME
+ var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {};
+
+ CodeMirror.defineMode = function(name, mode) {
+ if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name;
+ if (arguments.length > 2) {
+ mode.dependencies = [];
+ for (var i = 2; i < arguments.length; ++i) mode.dependencies.push(arguments[i]);
+ }
+ modes[name] = mode;
+ };
+
+ CodeMirror.defineMIME = function(mime, spec) {
+ mimeModes[mime] = spec;
+ };
+
+ CodeMirror.resolveMode = function(spec) {
+ if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
+ spec = mimeModes[spec];
+ } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
+ var found = mimeModes[spec.name];
+ spec = createObj(found, spec);
+ spec.name = found.name;
+ } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
+ return CodeMirror.resolveMode("application/xml");
+ }
+ if (typeof spec == "string") return {name: spec};
+ else return spec || {name: "null"};
+ };
+
+ CodeMirror.getMode = function(options, spec) {
+ spec = CodeMirror.resolveMode(spec);
+ var mfactory = modes[spec.name];
+ if (!mfactory) return CodeMirror.getMode(options, "text/plain");
+ var modeObj = mfactory(options, spec);
+ if (modeExtensions.hasOwnProperty(spec.name)) {
+ var exts = modeExtensions[spec.name];
+ for (var prop in exts) {
+ if (!exts.hasOwnProperty(prop)) continue;
+ if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop];
+ modeObj[prop] = exts[prop];
+ }
+ }
+ modeObj.name = spec.name;
+ return modeObj;
+ };
+
+ CodeMirror.defineMode("null", function() {
+ return {token: function(stream) {stream.skipToEnd();}};
+ });
+ CodeMirror.defineMIME("text/plain", "null");
+
+ var modeExtensions = CodeMirror.modeExtensions = {};
+ CodeMirror.extendMode = function(mode, properties) {
+ var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
+ copyObj(properties, exts);
+ };
+
+ // EXTENSIONS
+
+ CodeMirror.defineExtension = function(name, func) {
+ CodeMirror.prototype[name] = func;
+ };
+ CodeMirror.defineDocExtension = function(name, func) {
+ Doc.prototype[name] = func;
+ };
+ CodeMirror.defineOption = option;
+
+ var initHooks = [];
+ CodeMirror.defineInitHook = function(f) {initHooks.push(f);};
+
+ // MODE STATE HANDLING
+
+ // Utility functions for working with state. Exported because modes
+ // sometimes need to do this.
+ function copyState(mode, state) {
+ if (state === true) return state;
+ if (mode.copyState) return mode.copyState(state);
+ var nstate = {};
+ for (var n in state) {
+ var val = state[n];
+ if (val instanceof Array) val = val.concat([]);
+ nstate[n] = val;
+ }
+ return nstate;
+ }
+ CodeMirror.copyState = copyState;
+
+ function startState(mode, a1, a2) {
+ return mode.startState ? mode.startState(a1, a2) : true;
+ }
+ CodeMirror.startState = startState;
+
+ CodeMirror.innerMode = function(mode, state) {
+ while (mode.innerMode) {
+ var info = mode.innerMode(state);
+ state = info.state;
+ mode = info.mode;
+ }
+ return info || {mode: mode, state: state};
+ };
+
+ // STANDARD COMMANDS
+
+ var commands = CodeMirror.commands = {
+ selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()));},
+ killLine: function(cm) {
+ var from = cm.getCursor(true), to = cm.getCursor(false), sel = !posEq(from, to);
+ if (!sel && cm.getLine(from.line).length == from.ch)
+ cm.replaceRange("", from, Pos(from.line + 1, 0), "+delete");
+ else cm.replaceRange("", from, sel ? to : Pos(from.line), "+delete");
+ },
+ deleteLine: function(cm) {
+ var l = cm.getCursor().line;
+ cm.replaceRange("", Pos(l, 0), Pos(l), "+delete");
+ },
+ delLineLeft: function(cm) {
+ var cur = cm.getCursor();
+ cm.replaceRange("", Pos(cur.line, 0), cur, "+delete");
+ },
+ undo: function(cm) {cm.undo();},
+ redo: function(cm) {cm.redo();},
+ goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));},
+ goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));},
+ goLineStart: function(cm) {
+ cm.extendSelection(lineStart(cm, cm.getCursor().line));
+ },
+ goLineStartSmart: function(cm) {
+ var cur = cm.getCursor(), start = lineStart(cm, cur.line);
+ var line = cm.getLineHandle(start.line);
+ var order = getOrder(line);
+ if (!order || order[0].level == 0) {
+ var firstNonWS = Math.max(0, line.text.search(/\S/));
+ var inWS = cur.line == start.line && cur.ch <= firstNonWS && cur.ch;
+ cm.extendSelection(Pos(start.line, inWS ? 0 : firstNonWS));
+ } else cm.extendSelection(start);
+ },
+ goLineEnd: function(cm) {
+ cm.extendSelection(lineEnd(cm, cm.getCursor().line));
+ },
+ goLineRight: function(cm) {
+ var top = cm.charCoords(cm.getCursor(), "div").top + 5;
+ cm.extendSelection(cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"));
+ },
+ goLineLeft: function(cm) {
+ var top = cm.charCoords(cm.getCursor(), "div").top + 5;
+ cm.extendSelection(cm.coordsChar({left: 0, top: top}, "div"));
+ },
+ goLineUp: function(cm) {cm.moveV(-1, "line");},
+ goLineDown: function(cm) {cm.moveV(1, "line");},
+ goPageUp: function(cm) {cm.moveV(-1, "page");},
+ goPageDown: function(cm) {cm.moveV(1, "page");},
+ goCharLeft: function(cm) {cm.moveH(-1, "char");},
+ goCharRight: function(cm) {cm.moveH(1, "char");},
+ goColumnLeft: function(cm) {cm.moveH(-1, "column");},
+ goColumnRight: function(cm) {cm.moveH(1, "column");},
+ goWordLeft: function(cm) {cm.moveH(-1, "word");},
+ goGroupRight: function(cm) {cm.moveH(1, "group");},
+ goGroupLeft: function(cm) {cm.moveH(-1, "group");},
+ goWordRight: function(cm) {cm.moveH(1, "word");},
+ delCharBefore: function(cm) {cm.deleteH(-1, "char");},
+ delCharAfter: function(cm) {cm.deleteH(1, "char");},
+ delWordBefore: function(cm) {cm.deleteH(-1, "word");},
+ delWordAfter: function(cm) {cm.deleteH(1, "word");},
+ delGroupBefore: function(cm) {cm.deleteH(-1, "group");},
+ delGroupAfter: function(cm) {cm.deleteH(1, "group");},
+ indentAuto: function(cm) {cm.indentSelection("smart");},
+ indentMore: function(cm) {cm.indentSelection("add");},
+ indentLess: function(cm) {cm.indentSelection("subtract");},
+ insertTab: function(cm) {cm.replaceSelection("\t", "end", "+input");},
+ defaultTab: function(cm) {
+ if (cm.somethingSelected()) cm.indentSelection("add");
+ else cm.replaceSelection("\t", "end", "+input");
+ },
+ transposeChars: function(cm) {
+ var cur = cm.getCursor(), line = cm.getLine(cur.line);
+ if (cur.ch > 0 && cur.ch < line.length - 1)
+ cm.replaceRange(line.charAt(cur.ch) + line.charAt(cur.ch - 1),
+ Pos(cur.line, cur.ch - 1), Pos(cur.line, cur.ch + 1));
+ },
+ newlineAndIndent: function(cm) {
+ operation(cm, function() {
+ cm.replaceSelection("\n", "end", "+input");
+ cm.indentLine(cm.getCursor().line, null, true);
+ })();
+ },
+ toggleOverwrite: function(cm) {cm.toggleOverwrite();}
+ };
+
+ // STANDARD KEYMAPS
+
+ var keyMap = CodeMirror.keyMap = {};
+ keyMap.basic = {
+ "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
+ "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
+ "Delete": "delCharAfter", "Backspace": "delCharBefore", "Tab": "defaultTab", "Shift-Tab": "indentAuto",
+ "Enter": "newlineAndIndent", "Insert": "toggleOverwrite"
+ };
+ // Note that the save and find-related commands aren't defined by
+ // default. Unknown commands are simply ignored.
+ keyMap.pcDefault = {
+ "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
+ "Ctrl-Home": "goDocStart", "Alt-Up": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Down": "goDocEnd",
+ "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
+ "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
+ "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
+ "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
+ fallthrough: "basic"
+ };
+ keyMap.macDefault = {
+ "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
+ "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
+ "Alt-Right": "goGroupRight", "Cmd-Left": "goLineStart", "Cmd-Right": "goLineEnd", "Alt-Backspace": "delGroupBefore",
+ "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
+ "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
+ "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delLineLeft",
+ fallthrough: ["basic", "emacsy"]
+ };
+ keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
+ keyMap.emacsy = {
+ "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
+ "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
+ "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
+ "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars"
+ };
+
+ // KEYMAP DISPATCH
+
+ function getKeyMap(val) {
+ if (typeof val == "string") return keyMap[val];
+ else return val;
+ }
+
+ function lookupKey(name, maps, handle) {
+ function lookup(map) {
+ map = getKeyMap(map);
+ var found = map[name];
+ if (found === false) return "stop";
+ if (found != null && handle(found)) return true;
+ if (map.nofallthrough) return "stop";
+
+ var fallthrough = map.fallthrough;
+ if (fallthrough == null) return false;
+ if (Object.prototype.toString.call(fallthrough) != "[object Array]")
+ return lookup(fallthrough);
+ for (var i = 0, e = fallthrough.length; i < e; ++i) {
+ var done = lookup(fallthrough[i]);
+ if (done) return done;
+ }
+ return false;
+ }
+
+ for (var i = 0; i < maps.length; ++i) {
+ var done = lookup(maps[i]);
+ if (done) return done != "stop";
+ }
+ }
+ function isModifierKey(event) {
+ var name = keyNames[event.keyCode];
+ return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod";
+ }
+ function keyName(event, noShift) {
+ if (opera && event.keyCode == 34 && event["char"]) return false;
+ var name = keyNames[event.keyCode];
+ if (name == null || event.altGraphKey) return false;
+ if (event.altKey) name = "Alt-" + name;
+ if (flipCtrlCmd ? event.metaKey : event.ctrlKey) name = "Ctrl-" + name;
+ if (flipCtrlCmd ? event.ctrlKey : event.metaKey) name = "Cmd-" + name;
+ if (!noShift && event.shiftKey) name = "Shift-" + name;
+ return name;
+ }
+ CodeMirror.lookupKey = lookupKey;
+ CodeMirror.isModifierKey = isModifierKey;
+ CodeMirror.keyName = keyName;
+
+ // FROMTEXTAREA
+
+ CodeMirror.fromTextArea = function(textarea, options) {
+ if (!options) options = {};
+ options.value = textarea.value;
+ if (!options.tabindex && textarea.tabindex)
+ options.tabindex = textarea.tabindex;
+ if (!options.placeholder && textarea.placeholder)
+ options.placeholder = textarea.placeholder;
+ // Set autofocus to true if this textarea is focused, or if it has
+ // autofocus and no other element is focused.
+ if (options.autofocus == null) {
+ var hasFocus = document.body;
+ // doc.activeElement occasionally throws on IE
+ try { hasFocus = document.activeElement; } catch(e) {}
+ options.autofocus = hasFocus == textarea ||
+ textarea.getAttribute("autofocus") != null && hasFocus == document.body;
+ }
+
+ function save() {textarea.value = cm.getValue();}
+ if (textarea.form) {
+ on(textarea.form, "submit", save);
+ // Deplorable hack to make the submit method do the right thing.
+ if (!options.leaveSubmitMethodAlone) {
+ var form = textarea.form, realSubmit = form.submit;
+ try {
+ var wrappedSubmit = form.submit = function() {
+ save();
+ form.submit = realSubmit;
+ form.submit();
+ form.submit = wrappedSubmit;
+ };
+ } catch(e) {}
+ }
+ }
+
+ textarea.style.display = "none";
+ var cm = CodeMirror(function(node) {
+ textarea.parentNode.insertBefore(node, textarea.nextSibling);
+ }, options);
+ cm.save = save;
+ cm.getTextArea = function() { return textarea; };
+ cm.toTextArea = function() {
+ save();
+ textarea.parentNode.removeChild(cm.getWrapperElement());
+ textarea.style.display = "";
+ if (textarea.form) {
+ off(textarea.form, "submit", save);
+ if (typeof textarea.form.submit == "function")
+ textarea.form.submit = realSubmit;
+ }
+ };
+ return cm;
+ };
+
+ // STRING STREAM
+
+ // Fed to the mode parsers, provides helper functions to make
+ // parsers more succinct.
+
+ // The character stream used by a mode's parser.
+ function StringStream(string, tabSize) {
+ this.pos = this.start = 0;
+ this.string = string;
+ this.tabSize = tabSize || 8;
+ this.lastColumnPos = this.lastColumnValue = 0;
+ }
+
+ StringStream.prototype = {
+ eol: function() {return this.pos >= this.string.length;},
+ sol: function() {return this.pos == 0;},
+ peek: function() {return this.string.charAt(this.pos) || undefined;},
+ next: function() {
+ if (this.pos < this.string.length)
+ return this.string.charAt(this.pos++);
+ },
+ eat: function(match) {
+ var ch = this.string.charAt(this.pos);
+ if (typeof match == "string") var ok = ch == match;
+ else var ok = ch && (match.test ? match.test(ch) : match(ch));
+ if (ok) {++this.pos; return ch;}
+ },
+ eatWhile: function(match) {
+ var start = this.pos;
+ while (this.eat(match)){}
+ return this.pos > start;
+ },
+ eatSpace: function() {
+ var start = this.pos;
+ while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
+ return this.pos > start;
+ },
+ skipToEnd: function() {this.pos = this.string.length;},
+ skipTo: function(ch) {
+ var found = this.string.indexOf(ch, this.pos);
+ if (found > -1) {this.pos = found; return true;}
+ },
+ backUp: function(n) {this.pos -= n;},
+ column: function() {
+ if (this.lastColumnPos < this.start) {
+ this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
+ this.lastColumnPos = this.start;
+ }
+ return this.lastColumnValue;
+ },
+ indentation: function() {return countColumn(this.string, null, this.tabSize);},
+ match: function(pattern, consume, caseInsensitive) {
+ if (typeof pattern == "string") {
+ var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
+ var substr = this.string.substr(this.pos, pattern.length);
+ if (cased(substr) == cased(pattern)) {
+ if (consume !== false) this.pos += pattern.length;
+ return true;
+ }
+ } else {
+ var match = this.string.slice(this.pos).match(pattern);
+ if (match && match.index > 0) return null;
+ if (match && consume !== false) this.pos += match[0].length;
+ return match;
+ }
+ },
+ current: function(){return this.string.slice(this.start, this.pos);}
+ };
+ CodeMirror.StringStream = StringStream;
+
+ // TEXTMARKERS
+
+ function TextMarker(doc, type) {
+ this.lines = [];
+ this.type = type;
+ this.doc = doc;
+ }
+ CodeMirror.TextMarker = TextMarker;
+
+ TextMarker.prototype.clear = function() {
+ if (this.explicitlyCleared) return;
+ var cm = this.doc.cm, withOp = cm && !cm.curOp;
+ if (withOp) startOperation(cm);
+ var min = null, max = null;
+ for (var i = 0; i < this.lines.length; ++i) {
+ var line = this.lines[i];
+ var span = getMarkedSpanFor(line.markedSpans, this);
+ if (span.to != null) max = lineNo(line);
+ line.markedSpans = removeMarkedSpan(line.markedSpans, span);
+ if (span.from != null)
+ min = lineNo(line);
+ else if (this.collapsed && !lineIsHidden(this.doc, line) && cm)
+ updateLineHeight(line, textHeight(cm.display));
+ }
+ if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) {
+ var visual = visualLine(cm.doc, this.lines[i]), len = lineLength(cm.doc, visual);
+ if (len > cm.display.maxLineLength) {
+ cm.display.maxLine = visual;
+ cm.display.maxLineLength = len;
+ cm.display.maxLineChanged = true;
+ }
+ }
+
+ if (min != null && cm) regChange(cm, min, max + 1);
+ this.lines.length = 0;
+ this.explicitlyCleared = true;
+ if (this.atomic && this.doc.cantEdit) {
+ this.doc.cantEdit = false;
+ if (cm) reCheckSelection(cm);
+ }
+ if (withOp) endOperation(cm);
+ signalLater(this, "clear");
+ };
+
+ TextMarker.prototype.find = function() {
+ var from, to;
+ for (var i = 0; i < this.lines.length; ++i) {
+ var line = this.lines[i];
+ var span = getMarkedSpanFor(line.markedSpans, this);
+ if (span.from != null || span.to != null) {
+ var found = lineNo(line);
+ if (span.from != null) from = Pos(found, span.from);
+ if (span.to != null) to = Pos(found, span.to);
+ }
+ }
+ if (this.type == "bookmark") return from;
+ return from && {from: from, to: to};
+ };
+
+ TextMarker.prototype.changed = function() {
+ var pos = this.find(), cm = this.doc.cm;
+ if (!pos || !cm) return;
+ var line = getLine(this.doc, pos.from.line);
+ clearCachedMeasurement(cm, line);
+ if (pos.from.line >= cm.display.showingFrom && pos.from.line < cm.display.showingTo) {
+ for (var node = cm.display.lineDiv.firstChild; node; node = node.nextSibling) if (node.lineObj == line) {
+ if (node.offsetHeight != line.height) updateLineHeight(line, node.offsetHeight);
+ break;
+ }
+ runInOp(cm, function() { cm.curOp.selectionChanged = true; });
+ }
+ };
+
+ TextMarker.prototype.attachLine = function(line) {
+ if (!this.lines.length && this.doc.cm) {
+ var op = this.doc.cm.curOp;
+ if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
+ (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this);
+ }
+ this.lines.push(line);
+ };
+ TextMarker.prototype.detachLine = function(line) {
+ this.lines.splice(indexOf(this.lines, line), 1);
+ if (!this.lines.length && this.doc.cm) {
+ var op = this.doc.cm.curOp;
+ (op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);
+ }
+ };
+
+ function markText(doc, from, to, options, type) {
+ if (options && options.shared) return markTextShared(doc, from, to, options, type);
+ if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type);
+
+ var marker = new TextMarker(doc, type);
+ if (type == "range" && !posLess(from, to)) return marker;
+ if (options) copyObj(options, marker);
+ if (marker.replacedWith) {
+ marker.collapsed = true;
+ marker.replacedWith = elt("span", [marker.replacedWith], "CodeMirror-widget");
+ if (!options.handleMouseEvents) marker.replacedWith.ignoreEvents = true;
+ }
+ if (marker.collapsed) sawCollapsedSpans = true;
+
+ if (marker.addToHistory)
+ addToHistory(doc, {from: from, to: to, origin: "markText"},
+ {head: doc.sel.head, anchor: doc.sel.anchor}, NaN);
+
+ var curLine = from.line, size = 0, collapsedAtStart, collapsedAtEnd, cm = doc.cm, updateMaxLine;
+ doc.iter(curLine, to.line + 1, function(line) {
+ if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(doc, line) == cm.display.maxLine)
+ updateMaxLine = true;
+ var span = {from: null, to: null, marker: marker};
+ size += line.text.length;
+ if (curLine == from.line) {span.from = from.ch; size -= from.ch;}
+ if (curLine == to.line) {span.to = to.ch; size -= line.text.length - to.ch;}
+ if (marker.collapsed) {
+ if (curLine == to.line) collapsedAtEnd = collapsedSpanAt(line, to.ch);
+ if (curLine == from.line) collapsedAtStart = collapsedSpanAt(line, from.ch);
+ else updateLineHeight(line, 0);
+ }
+ addMarkedSpan(line, span);
+ ++curLine;
+ });
+ if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) {
+ if (lineIsHidden(doc, line)) updateLineHeight(line, 0);
+ });
+
+ if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); });
+
+ if (marker.readOnly) {
+ sawReadOnlySpans = true;
+ if (doc.history.done.length || doc.history.undone.length)
+ doc.clearHistory();
+ }
+ if (marker.collapsed) {
+ if (collapsedAtStart != collapsedAtEnd)
+ throw new Error("Inserting collapsed marker overlapping an existing one");
+ marker.size = size;
+ marker.atomic = true;
+ }
+ if (cm) {
+ if (updateMaxLine) cm.curOp.updateMaxLine = true;
+ if (marker.className || marker.startStyle || marker.endStyle || marker.collapsed)
+ regChange(cm, from.line, to.line + 1);
+ if (marker.atomic) reCheckSelection(cm);
+ }
+ return marker;
+ }
+
+ // SHARED TEXTMARKERS
+
+ function SharedTextMarker(markers, primary) {
+ this.markers = markers;
+ this.primary = primary;
+ for (var i = 0, me = this; i < markers.length; ++i) {
+ markers[i].parent = this;
+ on(markers[i], "clear", function(){me.clear();});
+ }
+ }
+ CodeMirror.SharedTextMarker = SharedTextMarker;
+
+ SharedTextMarker.prototype.clear = function() {
+ if (this.explicitlyCleared) return;
+ this.explicitlyCleared = true;
+ for (var i = 0; i < this.markers.length; ++i)
+ this.markers[i].clear();
+ signalLater(this, "clear");
+ };
+ SharedTextMarker.prototype.find = function() {
+ return this.primary.find();
+ };
+
+ function markTextShared(doc, from, to, options, type) {
+ options = copyObj(options);
+ options.shared = false;
+ var markers = [markText(doc, from, to, options, type)], primary = markers[0];
+ var widget = options.replacedWith;
+ linkedDocs(doc, function(doc) {
+ if (widget) options.replacedWith = widget.cloneNode(true);
+ markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));
+ for (var i = 0; i < doc.linked.length; ++i)
+ if (doc.linked[i].isParent) return;
+ primary = lst(markers);
+ });
+ return new SharedTextMarker(markers, primary);
+ }
+
+ // TEXTMARKER SPANS
+
+ function getMarkedSpanFor(spans, marker) {
+ if (spans) for (var i = 0; i < spans.length; ++i) {
+ var span = spans[i];
+ if (span.marker == marker) return span;
+ }
+ }
+ function removeMarkedSpan(spans, span) {
+ for (var r, i = 0; i < spans.length; ++i)
+ if (spans[i] != span) (r || (r = [])).push(spans[i]);
+ return r;
+ }
+ function addMarkedSpan(line, span) {
+ line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
+ span.marker.attachLine(line);
+ }
+
+ function markedSpansBefore(old, startCh, isInsert) {
+ if (old) for (var i = 0, nw; i < old.length; ++i) {
+ var span = old[i], marker = span.marker;
+ var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
+ if (startsBefore || marker.type == "bookmark" && span.from == startCh && (!isInsert || !span.marker.insertLeft)) {
+ var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);
+ (nw || (nw = [])).push({from: span.from,
+ to: endsAfter ? null : span.to,
+ marker: marker});
+ }
+ }
+ return nw;
+ }
+
+ function markedSpansAfter(old, endCh, isInsert) {
+ if (old) for (var i = 0, nw; i < old.length; ++i) {
+ var span = old[i], marker = span.marker;
+ var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
+ if (endsAfter || marker.type == "bookmark" && span.from == endCh && (!isInsert || span.marker.insertLeft)) {
+ var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);
+ (nw || (nw = [])).push({from: startsBefore ? null : span.from - endCh,
+ to: span.to == null ? null : span.to - endCh,
+ marker: marker});
+ }
+ }
+ return nw;
+ }
+
+ function stretchSpansOverChange(doc, change) {
+ var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
+ var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
+ if (!oldFirst && !oldLast) return null;
+
+ var startCh = change.from.ch, endCh = change.to.ch, isInsert = posEq(change.from, change.to);
+ // Get the spans that 'stick out' on both sides
+ var first = markedSpansBefore(oldFirst, startCh, isInsert);
+ var last = markedSpansAfter(oldLast, endCh, isInsert);
+
+ // Next, merge those two ends
+ var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
+ if (first) {
+ // Fix up .to properties of first
+ for (var i = 0; i < first.length; ++i) {
+ var span = first[i];
+ if (span.to == null) {
+ var found = getMarkedSpanFor(last, span.marker);
+ if (!found) span.to = startCh;
+ else if (sameLine) span.to = found.to == null ? null : found.to + offset;
+ }
+ }
+ }
+ if (last) {
+ // Fix up .from in last (or move them into first in case of sameLine)
+ for (var i = 0; i < last.length; ++i) {
+ var span = last[i];
+ if (span.to != null) span.to += offset;
+ if (span.from == null) {
+ var found = getMarkedSpanFor(first, span.marker);
+ if (!found) {
+ span.from = offset;
+ if (sameLine) (first || (first = [])).push(span);
+ }
+ } else {
+ span.from += offset;
+ if (sameLine) (first || (first = [])).push(span);
+ }
+ }
+ }
+ if (sameLine && first) {
+ // Make sure we didn't create any zero-length spans
+ for (var i = 0; i < first.length; ++i)
+ if (first[i].from != null && first[i].from == first[i].to && first[i].marker.type != "bookmark")
+ first.splice(i--, 1);
+ if (!first.length) first = null;
+ }
+
+ var newMarkers = [first];
+ if (!sameLine) {
+ // Fill gap with whole-line-spans
+ var gap = change.text.length - 2, gapMarkers;
+ if (gap > 0 && first)
+ for (var i = 0; i < first.length; ++i)
+ if (first[i].to == null)
+ (gapMarkers || (gapMarkers = [])).push({from: null, to: null, marker: first[i].marker});
+ for (var i = 0; i < gap; ++i)
+ newMarkers.push(gapMarkers);
+ newMarkers.push(last);
+ }
+ return newMarkers;
+ }
+
+ function mergeOldSpans(doc, change) {
+ var old = getOldSpans(doc, change);
+ var stretched = stretchSpansOverChange(doc, change);
+ if (!old) return stretched;
+ if (!stretched) return old;
+
+ for (var i = 0; i < old.length; ++i) {
+ var oldCur = old[i], stretchCur = stretched[i];
+ if (oldCur && stretchCur) {
+ spans: for (var j = 0; j < stretchCur.length; ++j) {
+ var span = stretchCur[j];
+ for (var k = 0; k < oldCur.length; ++k)
+ if (oldCur[k].marker == span.marker) continue spans;
+ oldCur.push(span);
+ }
+ } else if (stretchCur) {
+ old[i] = stretchCur;
+ }
+ }
+ return old;
+ }
+
+ function removeReadOnlyRanges(doc, from, to) {
+ var markers = null;
+ doc.iter(from.line, to.line + 1, function(line) {
+ if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) {
+ var mark = line.markedSpans[i].marker;
+ if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
+ (markers || (markers = [])).push(mark);
+ }
+ });
+ if (!markers) return null;
+ var parts = [{from: from, to: to}];
+ for (var i = 0; i < markers.length; ++i) {
+ var mk = markers[i], m = mk.find();
+ for (var j = 0; j < parts.length; ++j) {
+ var p = parts[j];
+ if (posLess(p.to, m.from) || posLess(m.to, p.from)) continue;
+ var newParts = [j, 1];
+ if (posLess(p.from, m.from) || !mk.inclusiveLeft && posEq(p.from, m.from))
+ newParts.push({from: p.from, to: m.from});
+ if (posLess(m.to, p.to) || !mk.inclusiveRight && posEq(p.to, m.to))
+ newParts.push({from: m.to, to: p.to});
+ parts.splice.apply(parts, newParts);
+ j += newParts.length - 1;
+ }
+ }
+ return parts;
+ }
+
+ function collapsedSpanAt(line, ch) {
+ var sps = sawCollapsedSpans && line.markedSpans, found;
+ if (sps) for (var sp, i = 0; i < sps.length; ++i) {
+ sp = sps[i];
+ if (!sp.marker.collapsed) continue;
+ if ((sp.from == null || sp.from < ch) &&
+ (sp.to == null || sp.to > ch) &&
+ (!found || found.width < sp.marker.width))
+ found = sp.marker;
+ }
+ return found;
+ }
+ function collapsedSpanAtStart(line) { return collapsedSpanAt(line, -1); }
+ function collapsedSpanAtEnd(line) { return collapsedSpanAt(line, line.text.length + 1); }
+
+ function visualLine(doc, line) {
+ var merged;
+ while (merged = collapsedSpanAtStart(line))
+ line = getLine(doc, merged.find().from.line);
+ return line;
+ }
+
+ function lineIsHidden(doc, line) {
+ var sps = sawCollapsedSpans && line.markedSpans;
+ if (sps) for (var sp, i = 0; i < sps.length; ++i) {
+ sp = sps[i];
+ if (!sp.marker.collapsed) continue;
+ if (sp.from == null) return true;
+ if (sp.marker.replacedWith) continue;
+ if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
+ return true;
+ }
+ }
+ function lineIsHiddenInner(doc, line, span) {
+ if (span.to == null) {
+ var end = span.marker.find().to, endLine = getLine(doc, end.line);
+ return lineIsHiddenInner(doc, endLine, getMarkedSpanFor(endLine.markedSpans, span.marker));
+ }
+ if (span.marker.inclusiveRight && span.to == line.text.length)
+ return true;
+ for (var sp, i = 0; i < line.markedSpans.length; ++i) {
+ sp = line.markedSpans[i];
+ if (sp.marker.collapsed && !sp.marker.replacedWith && sp.from == span.to &&
+ (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
+ lineIsHiddenInner(doc, line, sp)) return true;
+ }
+ }
+
+ function detachMarkedSpans(line) {
+ var spans = line.markedSpans;
+ if (!spans) return;
+ for (var i = 0; i < spans.length; ++i)
+ spans[i].marker.detachLine(line);
+ line.markedSpans = null;
+ }
+
+ function attachMarkedSpans(line, spans) {
+ if (!spans) return;
+ for (var i = 0; i < spans.length; ++i)
+ spans[i].marker.attachLine(line);
+ line.markedSpans = spans;
+ }
+
+ // LINE WIDGETS
+
+ var LineWidget = CodeMirror.LineWidget = function(cm, node, options) {
+ for (var opt in options) if (options.hasOwnProperty(opt))
+ this[opt] = options[opt];
+ this.cm = cm;
+ this.node = node;
+ };
+ function widgetOperation(f) {
+ return function() {
+ var withOp = !this.cm.curOp;
+ if (withOp) startOperation(this.cm);
+ try {var result = f.apply(this, arguments);}
+ finally {if (withOp) endOperation(this.cm);}
+ return result;
+ };
+ }
+ LineWidget.prototype.clear = widgetOperation(function() {
+ var ws = this.line.widgets, no = lineNo(this.line);
+ if (no == null || !ws) return;
+ for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1);
+ if (!ws.length) this.line.widgets = null;
+ updateLineHeight(this.line, Math.max(0, this.line.height - widgetHeight(this)));
+ regChange(this.cm, no, no + 1);
+ });
+ LineWidget.prototype.changed = widgetOperation(function() {
+ var oldH = this.height;
+ this.height = null;
+ var diff = widgetHeight(this) - oldH;
+ if (!diff) return;
+ updateLineHeight(this.line, this.line.height + diff);
+ var no = lineNo(this.line);
+ regChange(this.cm, no, no + 1);
+ });
+
+ function widgetHeight(widget) {
+ if (widget.height != null) return widget.height;
+ if (!widget.node.parentNode || widget.node.parentNode.nodeType != 1)
+ removeChildrenAndAdd(widget.cm.display.measure, elt("div", [widget.node], null, "position: relative"));
+ return widget.height = widget.node.offsetHeight;
+ }
+
+ function addLineWidget(cm, handle, node, options) {
+ var widget = new LineWidget(cm, node, options);
+ if (widget.noHScroll) cm.display.alignWidgets = true;
+ changeLine(cm, handle, function(line) {
+ (line.widgets || (line.widgets = [])).push(widget);
+ widget.line = line;
+ if (!lineIsHidden(cm.doc, line) || widget.showIfHidden) {
+ var aboveVisible = heightAtLine(cm, line) < cm.display.scroller.scrollTop;
+ updateLineHeight(line, line.height + widgetHeight(widget));
+ if (aboveVisible) addToScrollPos(cm, 0, widget.height);
+ }
+ return true;
+ });
+ return widget;
+ }
+
+ // LINE DATA STRUCTURE
+
+ // Line objects. These hold state related to a line, including
+ // highlighting info (the styles array).
+ function makeLine(text, markedSpans, estimateHeight) {
+ var line = {text: text};
+ attachMarkedSpans(line, markedSpans);
+ line.height = estimateHeight ? estimateHeight(line) : 1;
+ return line;
+ }
+
+ function updateLine(line, text, markedSpans, estimateHeight) {
+ line.text = text;
+ if (line.stateAfter) line.stateAfter = null;
+ if (line.styles) line.styles = null;
+ if (line.order != null) line.order = null;
+ detachMarkedSpans(line);
+ attachMarkedSpans(line, markedSpans);
+ var estHeight = estimateHeight ? estimateHeight(line) : 1;
+ if (estHeight != line.height) updateLineHeight(line, estHeight);
+ }
+
+ function cleanUpLine(line) {
+ line.parent = null;
+ detachMarkedSpans(line);
+ }
+
+ // Run the given mode's parser over a line, update the styles
+ // array, which contains alternating fragments of text and CSS
+ // classes.
+ function runMode(cm, text, mode, state, f) {
+ var flattenSpans = mode.flattenSpans;
+ if (flattenSpans == null) flattenSpans = cm.options.flattenSpans;
+ var curStart = 0, curStyle = null;
+ var stream = new StringStream(text, cm.options.tabSize), style;
+ if (text == "" && mode.blankLine) mode.blankLine(state);
+ while (!stream.eol()) {
+ if (stream.pos > cm.options.maxHighlightLength) {
+ flattenSpans = false;
+ // Webkit seems to refuse to render text nodes longer than 57444 characters
+ stream.pos = Math.min(text.length, stream.start + 50000);
+ style = null;
+ } else {
+ style = mode.token(stream, state);
+ }
+ if (!flattenSpans || curStyle != style) {
+ if (curStart < stream.start) f(stream.start, curStyle);
+ curStart = stream.start; curStyle = style;
+ }
+ stream.start = stream.pos;
+ }
+ if (curStart < stream.pos) f(stream.pos, curStyle);
+ }
+
+ function highlightLine(cm, line, state) {
+ // A styles array always starts with a number identifying the
+ // mode/overlays that it is based on (for easy invalidation).
+ var st = [cm.state.modeGen];
+ // Compute the base array of styles
+ runMode(cm, line.text, cm.doc.mode, state, function(end, style) {st.push(end, style);});
+
+ // Run overlays, adjust style array.
+ for (var o = 0; o < cm.state.overlays.length; ++o) {
+ var overlay = cm.state.overlays[o], i = 1, at = 0;
+ runMode(cm, line.text, overlay.mode, true, function(end, style) {
+ var start = i;
+ // Ensure there's a token end at the current position, and that i points at it
+ while (at < end) {
+ var i_end = st[i];
+ if (i_end > end)
+ st.splice(i, 1, end, st[i+1], i_end);
+ i += 2;
+ at = Math.min(end, i_end);
+ }
+ if (!style) return;
+ if (overlay.opaque) {
+ st.splice(start, i - start, end, style);
+ i = start + 2;
+ } else {
+ for (; start < i; start += 2) {
+ var cur = st[start+1];
+ st[start+1] = cur ? cur + " " + style : style;
+ }
+ }
+ });
+ }
+
+ return st;
+ }
+
+ function getLineStyles(cm, line) {
+ if (!line.styles || line.styles[0] != cm.state.modeGen)
+ line.styles = highlightLine(cm, line, line.stateAfter = getStateBefore(cm, lineNo(line)));
+ return line.styles;
+ }
+
+ // Lightweight form of highlight -- proceed over this line and
+ // update state, but don't save a style array.
+ function processLine(cm, line, state) {
+ var mode = cm.doc.mode;
+ var stream = new StringStream(line.text, cm.options.tabSize);
+ if (line.text == "" && mode.blankLine) mode.blankLine(state);
+ while (!stream.eol() && stream.pos <= cm.options.maxHighlightLength) {
+ mode.token(stream, state);
+ stream.start = stream.pos;
+ }
+ }
+
+ var styleToClassCache = {};
+ function styleToClass(style) {
+ if (!style) return null;
+ return styleToClassCache[style] ||
+ (styleToClassCache[style] = "cm-" + style.replace(/ +/g, " cm-"));
+ }
+
+ function lineContent(cm, realLine, measure) {
+ var merged, line = realLine, empty = true;
+ while (merged = collapsedSpanAtStart(line))
+ line = getLine(cm.doc, merged.find().from.line);
+
+ var builder = {pre: elt("pre"), col: 0, pos: 0, display: !measure,
+ measure: null, measuredSomething: false, cm: cm};
+ if (line.textClass) builder.pre.className = line.textClass;
+
+ do {
+ if (line.text) empty = false;
+ builder.measure = line == realLine && measure;
+ builder.pos = 0;
+ builder.addToken = builder.measure ? buildTokenMeasure : buildToken;
+ if ((ie || webkit) && cm.getOption("lineWrapping"))
+ builder.addToken = buildTokenSplitSpaces(builder.addToken);
+ var next = insertLineContent(line, builder, getLineStyles(cm, line));
+ if (measure && line == realLine && !builder.measuredSomething) {
+ measure[0] = builder.pre.appendChild(zeroWidthElement(cm.display.measure));
+ builder.measuredSomething = true;
+ }
+ if (next) line = getLine(cm.doc, next.to.line);
+ } while (next);
+
+ if (measure && !builder.measuredSomething && !measure[0])
+ measure[0] = builder.pre.appendChild(empty ? elt("span", "\u00a0") : zeroWidthElement(cm.display.measure));
+ if (!builder.pre.firstChild && !lineIsHidden(cm.doc, realLine))
+ builder.pre.appendChild(document.createTextNode("\u00a0"));
+
+ var order;
+ // Work around problem with the reported dimensions of single-char
+ // direction spans on IE (issue #1129). See also the comment in
+ // cursorCoords.
+ if (measure && ie && (order = getOrder(line))) {
+ var l = order.length - 1;
+ if (order[l].from == order[l].to) --l;
+ var last = order[l], prev = order[l - 1];
+ if (last.from + 1 == last.to && prev && last.level < prev.level) {
+ var span = measure[builder.pos - 1];
+ if (span) span.parentNode.insertBefore(span.measureRight = zeroWidthElement(cm.display.measure),
+ span.nextSibling);
+ }
+ }
+
+ signal(cm, "renderLine", cm, realLine, builder.pre);
+ return builder.pre;
+ }
+
+ var tokenSpecialChars = /[\t\u0000-\u0019\u00ad\u200b\u2028\u2029\uFEFF]/g;
+ function buildToken(builder, text, style, startStyle, endStyle) {
+ if (!text) return;
+ if (!tokenSpecialChars.test(text)) {
+ builder.col += text.length;
+ var content = document.createTextNode(text);
+ } else {
+ var content = document.createDocumentFragment(), pos = 0;
+ while (true) {
+ tokenSpecialChars.lastIndex = pos;
+ var m = tokenSpecialChars.exec(text);
+ var skipped = m ? m.index - pos : text.length - pos;
+ if (skipped) {
+ content.appendChild(document.createTextNode(text.slice(pos, pos + skipped)));
+ builder.col += skipped;
+ }
+ if (!m) break;
+ pos += skipped + 1;
+ if (m[0] == "\t") {
+ var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
+ content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
+ builder.col += tabWidth;
+ } else {
+ var token = elt("span", "\u2022", "cm-invalidchar");
+ token.title = "\\u" + m[0].charCodeAt(0).toString(16);
+ content.appendChild(token);
+ builder.col += 1;
+ }
+ }
+ }
+ if (style || startStyle || endStyle || builder.measure) {
+ var fullStyle = style || "";
+ if (startStyle) fullStyle += startStyle;
+ if (endStyle) fullStyle += endStyle;
+ return builder.pre.appendChild(elt("span", [content], fullStyle));
+ }
+ builder.pre.appendChild(content);
+ }
+
+ function buildTokenMeasure(builder, text, style, startStyle, endStyle) {
+ var wrapping = builder.cm.options.lineWrapping;
+ for (var i = 0; i < text.length; ++i) {
+ var ch = text.charAt(i), start = i == 0;
+ if (ch >= "\ud800" && ch < "\udbff" && i < text.length - 1) {
+ ch = text.slice(i, i + 2);
+ ++i;
+ } else if (i && wrapping && spanAffectsWrapping(text, i)) {
+ builder.pre.appendChild(elt("wbr"));
+ }
+ var span = builder.measure[builder.pos] =
+ buildToken(builder, ch, style,
+ start && startStyle, i == text.length - 1 && endStyle);
+ // In IE single-space nodes wrap differently than spaces
+ // embedded in larger text nodes, except when set to
+ // white-space: normal (issue #1268).
+ if (ie && wrapping && ch == " " && i && !/\s/.test(text.charAt(i - 1)) &&
+ i < text.length - 1 && !/\s/.test(text.charAt(i + 1)))
+ span.style.whiteSpace = "normal";
+ builder.pos += ch.length;
+ }
+ if (text.length) builder.measuredSomething = true;
+ }
+
+ function buildTokenSplitSpaces(inner) {
+ function split(old) {
+ var out = " ";
+ for (var i = 0; i < old.length - 2; ++i) out += i % 2 ? " " : "\u00a0";
+ out += " ";
+ return out;
+ }
+ return function(builder, text, style, startStyle, endStyle) {
+ return inner(builder, text.replace(/ {3,}/, split), style, startStyle, endStyle);
+ };
+ }
+
+ function buildCollapsedSpan(builder, size, widget) {
+ if (widget) {
+ if (!builder.display) widget = widget.cloneNode(true);
+ if (builder.measure) {
+ builder.measure[builder.pos] = size ? widget
+ : builder.pre.appendChild(zeroWidthElement(builder.cm.display.measure));
+ builder.measuredSomething = true;
+ }
+ builder.pre.appendChild(widget);
+ }
+ builder.pos += size;
+ }
+
+ // Outputs a number of spans to make up a line, taking highlighting
+ // and marked text into account.
+ function insertLineContent(line, builder, styles) {
+ var spans = line.markedSpans, allText = line.text, at = 0;
+ if (!spans) {
+ for (var i = 1; i < styles.length; i+=2)
+ builder.addToken(builder, allText.slice(at, at = styles[i]), styleToClass(styles[i+1]));
+ return;
+ }
+
+ var len = allText.length, pos = 0, i = 1, text = "", style;
+ var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed;
+ for (;;) {
+ if (nextChange == pos) { // Update current marker set
+ spanStyle = spanEndStyle = spanStartStyle = "";
+ collapsed = null; nextChange = Infinity;
+ var foundBookmark = null;
+ for (var j = 0; j < spans.length; ++j) {
+ var sp = spans[j], m = sp.marker;
+ if (sp.from <= pos && (sp.to == null || sp.to > pos)) {
+ if (sp.to != null && nextChange > sp.to) { nextChange = sp.to; spanEndStyle = ""; }
+ if (m.className) spanStyle += " " + m.className;
+ if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle;
+ if (m.endStyle && sp.to == nextChange) spanEndStyle += " " + m.endStyle;
+ if (m.collapsed && (!collapsed || collapsed.marker.size < m.size))
+ collapsed = sp;
+ } else if (sp.from > pos && nextChange > sp.from) {
+ nextChange = sp.from;
+ }
+ if (m.type == "bookmark" && sp.from == pos && m.replacedWith)
+ foundBookmark = m.replacedWith;
+ }
+ if (collapsed && (collapsed.from || 0) == pos) {
+ buildCollapsedSpan(builder, (collapsed.to == null ? len : collapsed.to) - pos,
+ collapsed.from != null && collapsed.marker.replacedWith);
+ if (collapsed.to == null) return collapsed.marker.find();
+ }
+ if (foundBookmark && !collapsed) buildCollapsedSpan(builder, 0, foundBookmark);
+ }
+ if (pos >= len) break;
+
+ var upto = Math.min(len, nextChange);
+ while (true) {
+ if (text) {
+ var end = pos + text.length;
+ if (!collapsed) {
+ var tokenText = end > upto ? text.slice(0, upto - pos) : text;
+ builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
+ spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "");
+ }
+ if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;}
+ pos = end;
+ spanStartStyle = "";
+ }
+ text = allText.slice(at, at = styles[i++]);
+ style = styleToClass(styles[i++]);
+ }
+ }
+ }
+
+ // DOCUMENT DATA STRUCTURE
+
+ function updateDoc(doc, change, markedSpans, selAfter, estimateHeight) {
+ function spansFor(n) {return markedSpans ? markedSpans[n] : null;}
+ function update(line, text, spans) {
+ updateLine(line, text, spans, estimateHeight);
+ signalLater(line, "change", line, change);
+ }
+
+ var from = change.from, to = change.to, text = change.text;
+ var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
+ var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;
+
+ // First adjust the line structure
+ if (from.ch == 0 && to.ch == 0 && lastText == "") {
+ // This is a whole-line replace. Treated specially to make
+ // sure line objects move the way they are supposed to.
+ for (var i = 0, e = text.length - 1, added = []; i < e; ++i)
+ added.push(makeLine(text[i], spansFor(i), estimateHeight));
+ update(lastLine, lastLine.text, lastSpans);
+ if (nlines) doc.remove(from.line, nlines);
+ if (added.length) doc.insert(from.line, added);
+ } else if (firstLine == lastLine) {
+ if (text.length == 1) {
+ update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);
+ } else {
+ for (var added = [], i = 1, e = text.length - 1; i < e; ++i)
+ added.push(makeLine(text[i], spansFor(i), estimateHeight));
+ added.push(makeLine(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight));
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
+ doc.insert(from.line + 1, added);
+ }
+ } else if (text.length == 1) {
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));
+ doc.remove(from.line + 1, nlines);
+ } else {
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
+ update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);
+ for (var i = 1, e = text.length - 1, added = []; i < e; ++i)
+ added.push(makeLine(text[i], spansFor(i), estimateHeight));
+ if (nlines > 1) doc.remove(from.line + 1, nlines - 1);
+ doc.insert(from.line + 1, added);
+ }
+
+ signalLater(doc, "change", doc, change);
+ setSelection(doc, selAfter.anchor, selAfter.head, null, true);
+ }
+
+ function LeafChunk(lines) {
+ this.lines = lines;
+ this.parent = null;
+ for (var i = 0, e = lines.length, height = 0; i < e; ++i) {
+ lines[i].parent = this;
+ height += lines[i].height;
+ }
+ this.height = height;
+ }
+
+ LeafChunk.prototype = {
+ chunkSize: function() { return this.lines.length; },
+ removeInner: function(at, n) {
+ for (var i = at, e = at + n; i < e; ++i) {
+ var line = this.lines[i];
+ this.height -= line.height;
+ cleanUpLine(line);
+ signalLater(line, "delete");
+ }
+ this.lines.splice(at, n);
+ },
+ collapse: function(lines) {
+ lines.splice.apply(lines, [lines.length, 0].concat(this.lines));
+ },
+ insertInner: function(at, lines, height) {
+ this.height += height;
+ this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
+ for (var i = 0, e = lines.length; i < e; ++i) lines[i].parent = this;
+ },
+ iterN: function(at, n, op) {
+ for (var e = at + n; at < e; ++at)
+ if (op(this.lines[at])) return true;
+ }
+ };
+
+ function BranchChunk(children) {
+ this.children = children;
+ var size = 0, height = 0;
+ for (var i = 0, e = children.length; i < e; ++i) {
+ var ch = children[i];
+ size += ch.chunkSize(); height += ch.height;
+ ch.parent = this;
+ }
+ this.size = size;
+ this.height = height;
+ this.parent = null;
+ }
+
+ BranchChunk.prototype = {
+ chunkSize: function() { return this.size; },
+ removeInner: function(at, n) {
+ this.size -= n;
+ for (var i = 0; i < this.children.length; ++i) {
+ var child = this.children[i], sz = child.chunkSize();
+ if (at < sz) {
+ var rm = Math.min(n, sz - at), oldHeight = child.height;
+ child.removeInner(at, rm);
+ this.height -= oldHeight - child.height;
+ if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }
+ if ((n -= rm) == 0) break;
+ at = 0;
+ } else at -= sz;
+ }
+ if (this.size - n < 25) {
+ var lines = [];
+ this.collapse(lines);
+ this.children = [new LeafChunk(lines)];
+ this.children[0].parent = this;
+ }
+ },
+ collapse: function(lines) {
+ for (var i = 0, e = this.children.length; i < e; ++i) this.children[i].collapse(lines);
+ },
+ insertInner: function(at, lines, height) {
+ this.size += lines.length;
+ this.height += height;
+ for (var i = 0, e = this.children.length; i < e; ++i) {
+ var child = this.children[i], sz = child.chunkSize();
+ if (at <= sz) {
+ child.insertInner(at, lines, height);
+ if (child.lines && child.lines.length > 50) {
+ while (child.lines.length > 50) {
+ var spilled = child.lines.splice(child.lines.length - 25, 25);
+ var newleaf = new LeafChunk(spilled);
+ child.height -= newleaf.height;
+ this.children.splice(i + 1, 0, newleaf);
+ newleaf.parent = this;
+ }
+ this.maybeSpill();
+ }
+ break;
+ }
+ at -= sz;
+ }
+ },
+ maybeSpill: function() {
+ if (this.children.length <= 10) return;
+ var me = this;
+ do {
+ var spilled = me.children.splice(me.children.length - 5, 5);
+ var sibling = new BranchChunk(spilled);
+ if (!me.parent) { // Become the parent node
+ var copy = new BranchChunk(me.children);
+ copy.parent = me;
+ me.children = [copy, sibling];
+ me = copy;
+ } else {
+ me.size -= sibling.size;
+ me.height -= sibling.height;
+ var myIndex = indexOf(me.parent.children, me);
+ me.parent.children.splice(myIndex + 1, 0, sibling);
+ }
+ sibling.parent = me.parent;
+ } while (me.children.length > 10);
+ me.parent.maybeSpill();
+ },
+ iterN: function(at, n, op) {
+ for (var i = 0, e = this.children.length; i < e; ++i) {
+ var child = this.children[i], sz = child.chunkSize();
+ if (at < sz) {
+ var used = Math.min(n, sz - at);
+ if (child.iterN(at, used, op)) return true;
+ if ((n -= used) == 0) break;
+ at = 0;
+ } else at -= sz;
+ }
+ }
+ };
+
+ var nextDocId = 0;
+ var Doc = CodeMirror.Doc = function(text, mode, firstLine) {
+ if (!(this instanceof Doc)) return new Doc(text, mode, firstLine);
+ if (firstLine == null) firstLine = 0;
+
+ BranchChunk.call(this, [new LeafChunk([makeLine("", null)])]);
+ this.first = firstLine;
+ this.scrollTop = this.scrollLeft = 0;
+ this.cantEdit = false;
+ this.history = makeHistory();
+ this.cleanGeneration = 1;
+ this.frontier = firstLine;
+ var start = Pos(firstLine, 0);
+ this.sel = {from: start, to: start, head: start, anchor: start, shift: false, extend: false, goalColumn: null};
+ this.id = ++nextDocId;
+ this.modeOption = mode;
+
+ if (typeof text == "string") text = splitLines(text);
+ updateDoc(this, {from: start, to: start, text: text}, null, {head: start, anchor: start});
+ };
+
+ Doc.prototype = createObj(BranchChunk.prototype, {
+ constructor: Doc,
+ iter: function(from, to, op) {
+ if (op) this.iterN(from - this.first, to - from, op);
+ else this.iterN(this.first, this.first + this.size, from);
+ },
+
+ insert: function(at, lines) {
+ var height = 0;
+ for (var i = 0, e = lines.length; i < e; ++i) height += lines[i].height;
+ this.insertInner(at - this.first, lines, height);
+ },
+ remove: function(at, n) { this.removeInner(at - this.first, n); },
+
+ getValue: function(lineSep) {
+ var lines = getLines(this, this.first, this.first + this.size);
+ if (lineSep === false) return lines;
+ return lines.join(lineSep || "\n");
+ },
+ setValue: function(code) {
+ var top = Pos(this.first, 0), last = this.first + this.size - 1;
+ makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
+ text: splitLines(code), origin: "setValue"},
+ {head: top, anchor: top}, true);
+ },
+ replaceRange: function(code, from, to, origin) {
+ from = clipPos(this, from);
+ to = to ? clipPos(this, to) : from;
+ replaceRange(this, code, from, to, origin);
+ },
+ getRange: function(from, to, lineSep) {
+ var lines = getBetween(this, clipPos(this, from), clipPos(this, to));
+ if (lineSep === false) return lines;
+ return lines.join(lineSep || "\n");
+ },
+
+ getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;},
+ setLine: function(line, text) {
+ if (isLine(this, line))
+ replaceRange(this, text, Pos(line, 0), clipPos(this, Pos(line)));
+ },
+ removeLine: function(line) {
+ if (line) replaceRange(this, "", clipPos(this, Pos(line - 1)), clipPos(this, Pos(line)));
+ else replaceRange(this, "", Pos(0, 0), clipPos(this, Pos(1, 0)));
+ },
+
+ getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);},
+ getLineNumber: function(line) {return lineNo(line);},
+
+ lineCount: function() {return this.size;},
+ firstLine: function() {return this.first;},
+ lastLine: function() {return this.first + this.size - 1;},
+
+ clipPos: function(pos) {return clipPos(this, pos);},
+
+ getCursor: function(start) {
+ var sel = this.sel, pos;
+ if (start == null || start == "head") pos = sel.head;
+ else if (start == "anchor") pos = sel.anchor;
+ else if (start == "end" || start === false) pos = sel.to;
+ else pos = sel.from;
+ return copyPos(pos);
+ },
+ somethingSelected: function() {return !posEq(this.sel.head, this.sel.anchor);},
+
+ setCursor: docOperation(function(line, ch, extend) {
+ var pos = clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line);
+ if (extend) extendSelection(this, pos);
+ else setSelection(this, pos, pos);
+ }),
+ setSelection: docOperation(function(anchor, head) {
+ setSelection(this, clipPos(this, anchor), clipPos(this, head || anchor));
+ }),
+ extendSelection: docOperation(function(from, to) {
+ extendSelection(this, clipPos(this, from), to && clipPos(this, to));
+ }),
+
+ getSelection: function(lineSep) {return this.getRange(this.sel.from, this.sel.to, lineSep);},
+ replaceSelection: function(code, collapse, origin) {
+ makeChange(this, {from: this.sel.from, to: this.sel.to, text: splitLines(code), origin: origin}, collapse || "around");
+ },
+ undo: docOperation(function() {makeChangeFromHistory(this, "undo");}),
+ redo: docOperation(function() {makeChangeFromHistory(this, "redo");}),
+
+ setExtending: function(val) {this.sel.extend = val;},
+
+ historySize: function() {
+ var hist = this.history;
+ return {undo: hist.done.length, redo: hist.undone.length};
+ },
+ clearHistory: function() {this.history = makeHistory(this.history.maxGeneration);},
+
+ markClean: function() {
+ this.cleanGeneration = this.changeGeneration();
+ },
+ changeGeneration: function() {
+ this.history.lastOp = this.history.lastOrigin = null;
+ return this.history.generation;
+ },
+ isClean: function (gen) {
+ return this.history.generation == (gen || this.cleanGeneration);
+ },
+
+ getHistory: function() {
+ return {done: copyHistoryArray(this.history.done),
+ undone: copyHistoryArray(this.history.undone)};
+ },
+ setHistory: function(histData) {
+ var hist = this.history = makeHistory(this.history.maxGeneration);
+ hist.done = histData.done.slice(0);
+ hist.undone = histData.undone.slice(0);
+ },
+
+ markText: function(from, to, options) {
+ return markText(this, clipPos(this, from), clipPos(this, to), options, "range");
+ },
+ setBookmark: function(pos, options) {
+ var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
+ insertLeft: options && options.insertLeft};
+ pos = clipPos(this, pos);
+ return markText(this, pos, pos, realOpts, "bookmark");
+ },
+ findMarksAt: function(pos) {
+ pos = clipPos(this, pos);
+ var markers = [], spans = getLine(this, pos.line).markedSpans;
+ if (spans) for (var i = 0; i < spans.length; ++i) {
+ var span = spans[i];
+ if ((span.from == null || span.from <= pos.ch) &&
+ (span.to == null || span.to >= pos.ch))
+ markers.push(span.marker.parent || span.marker);
+ }
+ return markers;
+ },
+ getAllMarks: function() {
+ var markers = [];
+ this.iter(function(line) {
+ var sps = line.markedSpans;
+ if (sps) for (var i = 0; i < sps.length; ++i)
+ if (sps[i].from != null) markers.push(sps[i].marker);
+ });
+ return markers;
+ },
+
+ posFromIndex: function(off) {
+ var ch, lineNo = this.first;
+ this.iter(function(line) {
+ var sz = line.text.length + 1;
+ if (sz > off) { ch = off; return true; }
+ off -= sz;
+ ++lineNo;
+ });
+ return clipPos(this, Pos(lineNo, ch));
+ },
+ indexFromPos: function (coords) {
+ coords = clipPos(this, coords);
+ var index = coords.ch;
+ if (coords.line < this.first || coords.ch < 0) return 0;
+ this.iter(this.first, coords.line, function (line) {
+ index += line.text.length + 1;
+ });
+ return index;
+ },
+
+ copy: function(copyHistory) {
+ var doc = new Doc(getLines(this, this.first, this.first + this.size), this.modeOption, this.first);
+ doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;
+ doc.sel = {from: this.sel.from, to: this.sel.to, head: this.sel.head, anchor: this.sel.anchor,
+ shift: this.sel.shift, extend: false, goalColumn: this.sel.goalColumn};
+ if (copyHistory) {
+ doc.history.undoDepth = this.history.undoDepth;
+ doc.setHistory(this.getHistory());
+ }
+ return doc;
+ },
+
+ linkedDoc: function(options) {
+ if (!options) options = {};
+ var from = this.first, to = this.first + this.size;
+ if (options.from != null && options.from > from) from = options.from;
+ if (options.to != null && options.to < to) to = options.to;
+ var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from);
+ if (options.sharedHist) copy.history = this.history;
+ (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
+ copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
+ return copy;
+ },
+ unlinkDoc: function(other) {
+ if (other instanceof CodeMirror) other = other.doc;
+ if (this.linked) for (var i = 0; i < this.linked.length; ++i) {
+ var link = this.linked[i];
+ if (link.doc != other) continue;
+ this.linked.splice(i, 1);
+ other.unlinkDoc(this);
+ break;
+ }
+ // If the histories were shared, split them again
+ if (other.history == this.history) {
+ var splitIds = [other.id];
+ linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true);
+ other.history = makeHistory();
+ other.history.done = copyHistoryArray(this.history.done, splitIds);
+ other.history.undone = copyHistoryArray(this.history.undone, splitIds);
+ }
+ },
+ iterLinkedDocs: function(f) {linkedDocs(this, f);},
+
+ getMode: function() {return this.mode;},
+ getEditor: function() {return this.cm;}
+ });
+
+ Doc.prototype.eachLine = Doc.prototype.iter;
+
+ // The Doc methods that should be available on CodeMirror instances
+ var dontDelegate = "iter insert remove copy getEditor".split(" ");
+ for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
+ CodeMirror.prototype[prop] = (function(method) {
+ return function() {return method.apply(this.doc, arguments);};
+ })(Doc.prototype[prop]);
+
+ function linkedDocs(doc, f, sharedHistOnly) {
+ function propagate(doc, skip, sharedHist) {
+ if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) {
+ var rel = doc.linked[i];
+ if (rel.doc == skip) continue;
+ var shared = sharedHist && rel.sharedHist;
+ if (sharedHistOnly && !shared) continue;
+ f(rel.doc, shared);
+ propagate(rel.doc, doc, shared);
+ }
+ }
+ propagate(doc, null, true);
+ }
+
+ function attachDoc(cm, doc) {
+ if (doc.cm) throw new Error("This document is already in use.");
+ cm.doc = doc;
+ doc.cm = cm;
+ estimateLineHeights(cm);
+ loadMode(cm);
+ if (!cm.options.lineWrapping) computeMaxLength(cm);
+ cm.options.mode = doc.modeOption;
+ regChange(cm);
+ }
+
+ // LINE UTILITIES
+
+ function getLine(chunk, n) {
+ n -= chunk.first;
+ while (!chunk.lines) {
+ for (var i = 0;; ++i) {
+ var child = chunk.children[i], sz = child.chunkSize();
+ if (n < sz) { chunk = child; break; }
+ n -= sz;
+ }
+ }
+ return chunk.lines[n];
+ }
+
+ function getBetween(doc, start, end) {
+ var out = [], n = start.line;
+ doc.iter(start.line, end.line + 1, function(line) {
+ var text = line.text;
+ if (n == end.line) text = text.slice(0, end.ch);
+ if (n == start.line) text = text.slice(start.ch);
+ out.push(text);
+ ++n;
+ });
+ return out;
+ }
+ function getLines(doc, from, to) {
+ var out = [];
+ doc.iter(from, to, function(line) { out.push(line.text); });
+ return out;
+ }
+
+ function updateLineHeight(line, height) {
+ var diff = height - line.height;
+ for (var n = line; n; n = n.parent) n.height += diff;
+ }
+
+ function lineNo(line) {
+ if (line.parent == null) return null;
+ var cur = line.parent, no = indexOf(cur.lines, line);
+ for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
+ for (var i = 0;; ++i) {
+ if (chunk.children[i] == cur) break;
+ no += chunk.children[i].chunkSize();
+ }
+ }
+ return no + cur.first;
+ }
+
+ function lineAtHeight(chunk, h) {
+ var n = chunk.first;
+ outer: do {
+ for (var i = 0, e = chunk.children.length; i < e; ++i) {
+ var child = chunk.children[i], ch = child.height;
+ if (h < ch) { chunk = child; continue outer; }
+ h -= ch;
+ n += child.chunkSize();
+ }
+ return n;
+ } while (!chunk.lines);
+ for (var i = 0, e = chunk.lines.length; i < e; ++i) {
+ var line = chunk.lines[i], lh = line.height;
+ if (h < lh) break;
+ h -= lh;
+ }
+ return n + i;
+ }
+
+ function heightAtLine(cm, lineObj) {
+ lineObj = visualLine(cm.doc, lineObj);
+
+ var h = 0, chunk = lineObj.parent;
+ for (var i = 0; i < chunk.lines.length; ++i) {
+ var line = chunk.lines[i];
+ if (line == lineObj) break;
+ else h += line.height;
+ }
+ for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
+ for (var i = 0; i < p.children.length; ++i) {
+ var cur = p.children[i];
+ if (cur == chunk) break;
+ else h += cur.height;
+ }
+ }
+ return h;
+ }
+
+ function getOrder(line) {
+ var order = line.order;
+ if (order == null) order = line.order = bidiOrdering(line.text);
+ return order;
+ }
+
+ // HISTORY
+
+ function makeHistory(startGen) {
+ return {
+ // Arrays of history events. Doing something adds an event to
+ // done and clears undo. Undoing moves events from done to
+ // undone, redoing moves them in the other direction.
+ done: [], undone: [], undoDepth: Infinity,
+ // Used to track when changes can be merged into a single undo
+ // event
+ lastTime: 0, lastOp: null, lastOrigin: null,
+ // Used by the isClean() method
+ generation: startGen || 1, maxGeneration: startGen || 1
+ };
+ }
+
+ function attachLocalSpans(doc, change, from, to) {
+ var existing = change["spans_" + doc.id], n = 0;
+ doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) {
+ if (line.markedSpans)
+ (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans;
+ ++n;
+ });
+ }
+
+ function historyChangeFromChange(doc, change) {
+ var histChange = {from: change.from, to: changeEnd(change), text: getBetween(doc, change.from, change.to)};
+ attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);
+ linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true);
+ return histChange;
+ }
+
+ function addToHistory(doc, change, selAfter, opId) {
+ var hist = doc.history;
+ hist.undone.length = 0;
+ var time = +new Date, cur = lst(hist.done);
+
+ if (cur &&
+ (hist.lastOp == opId ||
+ hist.lastOrigin == change.origin && change.origin &&
+ ((change.origin.charAt(0) == "+" && doc.cm && hist.lastTime > time - doc.cm.options.historyEventDelay) ||
+ change.origin.charAt(0) == "*"))) {
+ // Merge this change into the last event
+ var last = lst(cur.changes);
+ if (posEq(change.from, change.to) && posEq(change.from, last.to)) {
+ // Optimized case for simple insertion -- don't want to add
+ // new changesets for every character typed
+ last.to = changeEnd(change);
+ } else {
+ // Add new sub-event
+ cur.changes.push(historyChangeFromChange(doc, change));
+ }
+ cur.anchorAfter = selAfter.anchor; cur.headAfter = selAfter.head;
+ } else {
+ // Can not be merged, start a new event.
+ cur = {changes: [historyChangeFromChange(doc, change)],
+ generation: hist.generation,
+ anchorBefore: doc.sel.anchor, headBefore: doc.sel.head,
+ anchorAfter: selAfter.anchor, headAfter: selAfter.head};
+ hist.done.push(cur);
+ hist.generation = ++hist.maxGeneration;
+ while (hist.done.length > hist.undoDepth)
+ hist.done.shift();
+ }
+ hist.lastTime = time;
+ hist.lastOp = opId;
+ hist.lastOrigin = change.origin;
+ }
+
+ function removeClearedSpans(spans) {
+ if (!spans) return null;
+ for (var i = 0, out; i < spans.length; ++i) {
+ if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); }
+ else if (out) out.push(spans[i]);
+ }
+ return !out ? spans : out.length ? out : null;
+ }
+
+ function getOldSpans(doc, change) {
+ var found = change["spans_" + doc.id];
+ if (!found) return null;
+ for (var i = 0, nw = []; i < change.text.length; ++i)
+ nw.push(removeClearedSpans(found[i]));
+ return nw;
+ }
+
+ // Used both to provide a JSON-safe object in .getHistory, and, when
+ // detaching a document, to split the history in two
+ function copyHistoryArray(events, newGroup) {
+ for (var i = 0, copy = []; i < events.length; ++i) {
+ var event = events[i], changes = event.changes, newChanges = [];
+ copy.push({changes: newChanges, anchorBefore: event.anchorBefore, headBefore: event.headBefore,
+ anchorAfter: event.anchorAfter, headAfter: event.headAfter});
+ for (var j = 0; j < changes.length; ++j) {
+ var change = changes[j], m;
+ newChanges.push({from: change.from, to: change.to, text: change.text});
+ if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) {
+ if (indexOf(newGroup, Number(m[1])) > -1) {
+ lst(newChanges)[prop] = change[prop];
+ delete change[prop];
+ }
+ }
+ }
+ }
+ return copy;
+ }
+
+ // Rebasing/resetting history to deal with externally-sourced changes
+
+ function rebaseHistSel(pos, from, to, diff) {
+ if (to < pos.line) {
+ pos.line += diff;
+ } else if (from < pos.line) {
+ pos.line = from;
+ pos.ch = 0;
+ }
+ }
+
+ // Tries to rebase an array of history events given a change in the
+ // document. If the change touches the same lines as the event, the
+ // event, and everything 'behind' it, is discarded. If the change is
+ // before the event, the event's positions are updated. Uses a
+ // copy-on-write scheme for the positions, to avoid having to
+ // reallocate them all on every rebase, but also avoid problems with
+ // shared position objects being unsafely updated.
+ function rebaseHistArray(array, from, to, diff) {
+ for (var i = 0; i < array.length; ++i) {
+ var sub = array[i], ok = true;
+ for (var j = 0; j < sub.changes.length; ++j) {
+ var cur = sub.changes[j];
+ if (!sub.copied) { cur.from = copyPos(cur.from); cur.to = copyPos(cur.to); }
+ if (to < cur.from.line) {
+ cur.from.line += diff;
+ cur.to.line += diff;
+ } else if (from <= cur.to.line) {
+ ok = false;
+ break;
+ }
+ }
+ if (!sub.copied) {
+ sub.anchorBefore = copyPos(sub.anchorBefore); sub.headBefore = copyPos(sub.headBefore);
+ sub.anchorAfter = copyPos(sub.anchorAfter); sub.readAfter = copyPos(sub.headAfter);
+ sub.copied = true;
+ }
+ if (!ok) {
+ array.splice(0, i + 1);
+ i = 0;
+ } else {
+ rebaseHistSel(sub.anchorBefore); rebaseHistSel(sub.headBefore);
+ rebaseHistSel(sub.anchorAfter); rebaseHistSel(sub.headAfter);
+ }
+ }
+ }
+
+ function rebaseHist(hist, change) {
+ var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;
+ rebaseHistArray(hist.done, from, to, diff);
+ rebaseHistArray(hist.undone, from, to, diff);
+ }
+
+ // EVENT OPERATORS
+
+ function stopMethod() {e_stop(this);}
+ // Ensure an event has a stop method.
+ function addStop(event) {
+ if (!event.stop) event.stop = stopMethod;
+ return event;
+ }
+
+ function e_preventDefault(e) {
+ if (e.preventDefault) e.preventDefault();
+ else e.returnValue = false;
+ }
+ function e_stopPropagation(e) {
+ if (e.stopPropagation) e.stopPropagation();
+ else e.cancelBubble = true;
+ }
+ function e_defaultPrevented(e) {
+ return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false;
+ }
+ function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}
+ CodeMirror.e_stop = e_stop;
+ CodeMirror.e_preventDefault = e_preventDefault;
+ CodeMirror.e_stopPropagation = e_stopPropagation;
+
+ function e_target(e) {return e.target || e.srcElement;}
+ function e_button(e) {
+ var b = e.which;
+ if (b == null) {
+ if (e.button & 1) b = 1;
+ else if (e.button & 2) b = 3;
+ else if (e.button & 4) b = 2;
+ }
+ if (mac && e.ctrlKey && b == 1) b = 3;
+ return b;
+ }
+
+ // EVENT HANDLING
+
+ function on(emitter, type, f) {
+ if (emitter.addEventListener)
+ emitter.addEventListener(type, f, false);
+ else if (emitter.attachEvent)
+ emitter.attachEvent("on" + type, f);
+ else {
+ var map = emitter._handlers || (emitter._handlers = {});
+ var arr = map[type] || (map[type] = []);
+ arr.push(f);
+ }
+ }
+
+ function off(emitter, type, f) {
+ if (emitter.removeEventListener)
+ emitter.removeEventListener(type, f, false);
+ else if (emitter.detachEvent)
+ emitter.detachEvent("on" + type, f);
+ else {
+ var arr = emitter._handlers && emitter._handlers[type];
+ if (!arr) return;
+ for (var i = 0; i < arr.length; ++i)
+ if (arr[i] == f) { arr.splice(i, 1); break; }
+ }
+ }
+
+ function signal(emitter, type /*, values...*/) {
+ var arr = emitter._handlers && emitter._handlers[type];
+ if (!arr) return;
+ var args = Array.prototype.slice.call(arguments, 2);
+ for (var i = 0; i < arr.length; ++i) arr[i].apply(null, args);
+ }
+
+ var delayedCallbacks, delayedCallbackDepth = 0;
+ function signalLater(emitter, type /*, values...*/) {
+ var arr = emitter._handlers && emitter._handlers[type];
+ if (!arr) return;
+ var args = Array.prototype.slice.call(arguments, 2);
+ if (!delayedCallbacks) {
+ ++delayedCallbackDepth;
+ delayedCallbacks = [];
+ setTimeout(fireDelayed, 0);
+ }
+ function bnd(f) {return function(){f.apply(null, args);};};
+ for (var i = 0; i < arr.length; ++i)
+ delayedCallbacks.push(bnd(arr[i]));
+ }
+
+ function signalDOMEvent(cm, e) {
+ signal(cm, e.type, cm, e);
+ return e_defaultPrevented(e);
+ }
+
+ function fireDelayed() {
+ --delayedCallbackDepth;
+ var delayed = delayedCallbacks;
+ delayedCallbacks = null;
+ for (var i = 0; i < delayed.length; ++i) delayed[i]();
+ }
+
+ function hasHandler(emitter, type) {
+ var arr = emitter._handlers && emitter._handlers[type];
+ return arr && arr.length > 0;
+ }
+
+ CodeMirror.on = on; CodeMirror.off = off; CodeMirror.signal = signal;
+
+ // MISC UTILITIES
+
+ // Number of pixels added to scroller and sizer to hide scrollbar
+ var scrollerCutOff = 30;
+
+ // Returned or thrown by various protocols to signal 'I'm not
+ // handling this'.
+ var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}};
+
+ function Delayed() {this.id = null;}
+ Delayed.prototype = {set: function(ms, f) {clearTimeout(this.id); this.id = setTimeout(f, ms);}};
+
+ // Counts the column offset in a string, taking tabs into account.
+ // Used mostly to find indentation.
+ function countColumn(string, end, tabSize, startIndex, startValue) {
+ if (end == null) {
+ end = string.search(/[^\s\u00a0]/);
+ if (end == -1) end = string.length;
+ }
+ for (var i = startIndex || 0, n = startValue || 0; i < end; ++i) {
+ if (string.charAt(i) == "\t") n += tabSize - (n % tabSize);
+ else ++n;
+ }
+ return n;
+ }
+ CodeMirror.countColumn = countColumn;
+
+ var spaceStrs = [""];
+ function spaceStr(n) {
+ while (spaceStrs.length <= n)
+ spaceStrs.push(lst(spaceStrs) + " ");
+ return spaceStrs[n];
+ }
+
+ function lst(arr) { return arr[arr.length-1]; }
+
+ function selectInput(node) {
+ if (ios) { // Mobile Safari apparently has a bug where select() is broken.
+ node.selectionStart = 0;
+ node.selectionEnd = node.value.length;
+ } else {
+ // Suppress mysterious IE10 errors
+ try { node.select(); }
+ catch(_e) {}
+ }
+ }
+
+ function indexOf(collection, elt) {
+ if (collection.indexOf) return collection.indexOf(elt);
+ for (var i = 0, e = collection.length; i < e; ++i)
+ if (collection[i] == elt) return i;
+ return -1;
+ }
+
+ function createObj(base, props) {
+ function Obj() {}
+ Obj.prototype = base;
+ var inst = new Obj();
+ if (props) copyObj(props, inst);
+ return inst;
+ }
+
+ function copyObj(obj, target) {
+ if (!target) target = {};
+ for (var prop in obj) if (obj.hasOwnProperty(prop)) target[prop] = obj[prop];
+ return target;
+ }
+
+ function emptyArray(size) {
+ for (var a = [], i = 0; i < size; ++i) a.push(undefined);
+ return a;
+ }
+
+ function bind(f) {
+ var args = Array.prototype.slice.call(arguments, 1);
+ return function(){return f.apply(null, args);};
+ }
+
+ var nonASCIISingleCaseWordChar = /[\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
+ function isWordChar(ch) {
+ return /\w/.test(ch) || ch > "\x80" &&
+ (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch));
+ }
+
+ function isEmpty(obj) {
+ for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) return false;
+ return true;
+ }
+
+ var isExtendingChar = /[\u0300-\u036F\u0483-\u0487\u0488-\u0489\u0591-\u05BD\u05BF\u05C1-\u05C2\u05C4-\u05C5\u05C7\u0610-\u061A\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7-\u06E8\u06EA-\u06ED\uA66F\uA670-\uA672\uA674-\uA67D\uA69F\udc00-\udfff]/;
+
+ // DOM UTILITIES
+
+ function elt(tag, content, className, style) {
+ var e = document.createElement(tag);
+ if (className) e.className = className;
+ if (style) e.style.cssText = style;
+ if (typeof content == "string") setTextContent(e, content);
+ else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]);
+ return e;
+ }
+
+ function removeChildren(e) {
+ for (var count = e.childNodes.length; count > 0; --count)
+ e.removeChild(e.firstChild);
+ return e;
+ }
+
+ function removeChildrenAndAdd(parent, e) {
+ return removeChildren(parent).appendChild(e);
+ }
+
+ function setTextContent(e, str) {
+ if (ie_lt9) {
+ e.innerHTML = "";
+ e.appendChild(document.createTextNode(str));
+ } else e.textContent = str;
+ }
+
+ function getRect(node) {
+ return node.getBoundingClientRect();
+ }
+ CodeMirror.replaceGetRect = function(f) { getRect = f; };
+
+ // FEATURE DETECTION
+
+ // Detect drag-and-drop
+ var dragAndDrop = function() {
+ // There is *some* kind of drag-and-drop support in IE6-8, but I
+ // couldn't get it to work yet.
+ if (ie_lt9) return false;
+ var div = elt('div');
+ return "draggable" in div || "dragDrop" in div;
+ }();
+
+ // For a reason I have yet to figure out, some browsers disallow
+ // word wrapping between certain characters *only* if a new inline
+ // element is started between them. This makes it hard to reliably
+ // measure the position of things, since that requires inserting an
+ // extra span. This terribly fragile set of tests matches the
+ // character combinations that suffer from this phenomenon on the
+ // various browsers.
+ function spanAffectsWrapping() { return false; }
+ if (gecko) // Only for "$'"
+ spanAffectsWrapping = function(str, i) {
+ return str.charCodeAt(i - 1) == 36 && str.charCodeAt(i) == 39;
+ };
+ else if (safari && !/Version\/([6-9]|\d\d)\b/.test(navigator.userAgent))
+ spanAffectsWrapping = function(str, i) {
+ return /\-[^ \-?]|\?[^ !\'\"\),.\-\/:;\?\]\}]/.test(str.slice(i - 1, i + 1));
+ };
+ else if (webkit)
+ spanAffectsWrapping = function(str, i) {
+ if (i > 1 && str.charCodeAt(i - 1) == 45 && /\w/.test(str.charAt(i - 2)) && /[^\-?\.]/.test(str.charAt(i)))
+ return true;
+ return /[~!#%&*)=+}\]|\"\.>,:;][({[<]|-[^\-?\.\u2010-\u201f\u2026]|\?[\w~`@#$%\^&*(_=+{[|><]|…[\w~`@#$%\^&*(_=+{[><]/.test(str.slice(i - 1, i + 1));
+ };
+
+ var knownScrollbarWidth;
+ function scrollbarWidth(measure) {
+ if (knownScrollbarWidth != null) return knownScrollbarWidth;
+ var test = elt("div", null, null, "width: 50px; height: 50px; overflow-x: scroll");
+ removeChildrenAndAdd(measure, test);
+ if (test.offsetWidth)
+ knownScrollbarWidth = test.offsetHeight - test.clientHeight;
+ return knownScrollbarWidth || 0;
+ }
+
+ var zwspSupported;
+ function zeroWidthElement(measure) {
+ if (zwspSupported == null) {
+ var test = elt("span", "\u200b");
+ removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
+ if (measure.firstChild.offsetHeight != 0)
+ zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !ie_lt8;
+ }
+ if (zwspSupported) return elt("span", "\u200b");
+ else return elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
+ }
+
+ // See if "".split is the broken IE version, if so, provide an
+ // alternative way to split lines.
+ var splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) {
+ var pos = 0, result = [], l = string.length;
+ while (pos <= l) {
+ var nl = string.indexOf("\n", pos);
+ if (nl == -1) nl = string.length;
+ var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
+ var rt = line.indexOf("\r");
+ if (rt != -1) {
+ result.push(line.slice(0, rt));
+ pos += rt + 1;
+ } else {
+ result.push(line);
+ pos = nl + 1;
+ }
+ }
+ return result;
+ } : function(string){return string.split(/\r\n?|\n/);};
+ CodeMirror.splitLines = splitLines;
+
+ var hasSelection = window.getSelection ? function(te) {
+ try { return te.selectionStart != te.selectionEnd; }
+ catch(e) { return false; }
+ } : function(te) {
+ try {var range = te.ownerDocument.selection.createRange();}
+ catch(e) {}
+ if (!range || range.parentElement() != te) return false;
+ return range.compareEndPoints("StartToEnd", range) != 0;
+ };
+
+ var hasCopyEvent = (function() {
+ var e = elt("div");
+ if ("oncopy" in e) return true;
+ e.setAttribute("oncopy", "return;");
+ return typeof e.oncopy == 'function';
+ })();
+
+ // KEY NAMING
+
+ var keyNames = {3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
+ 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
+ 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
+ 46: "Delete", 59: ";", 91: "Mod", 92: "Mod", 93: "Mod", 109: "-", 107: "=", 127: "Delete",
+ 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
+ 221: "]", 222: "'", 63276: "PageUp", 63277: "PageDown", 63275: "End", 63273: "Home",
+ 63234: "Left", 63232: "Up", 63235: "Right", 63233: "Down", 63302: "Insert", 63272: "Delete"};
+ CodeMirror.keyNames = keyNames;
+ (function() {
+ // Number keys
+ for (var i = 0; i < 10; i++) keyNames[i + 48] = String(i);
+ // Alphabetic keys
+ for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i);
+ // Function keys
+ for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i;
+ })();
+
+ // BIDI HELPERS
+
+ function iterateBidiSections(order, from, to, f) {
+ if (!order) return f(from, to, "ltr");
+ for (var i = 0; i < order.length; ++i) {
+ var part = order[i];
+ if (part.from < to && part.to > from || from == to && part.to == from)
+ f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr");
+ }
+ }
+
+ function bidiLeft(part) { return part.level % 2 ? part.to : part.from; }
+ function bidiRight(part) { return part.level % 2 ? part.from : part.to; }
+
+ function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; }
+ function lineRight(line) {
+ var order = getOrder(line);
+ if (!order) return line.text.length;
+ return bidiRight(lst(order));
+ }
+
+ function lineStart(cm, lineN) {
+ var line = getLine(cm.doc, lineN);
+ var visual = visualLine(cm.doc, line);
+ if (visual != line) lineN = lineNo(visual);
+ var order = getOrder(visual);
+ var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual);
+ return Pos(lineN, ch);
+ }
+ function lineEnd(cm, lineN) {
+ var merged, line;
+ while (merged = collapsedSpanAtEnd(line = getLine(cm.doc, lineN)))
+ lineN = merged.find().to.line;
+ var order = getOrder(line);
+ var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line);
+ return Pos(lineN, ch);
+ }
+
+ function compareBidiLevel(order, a, b) {
+ var linedir = order[0].level;
+ if (a == linedir) return true;
+ if (b == linedir) return false;
+ return a < b;
+ }
+ var bidiOther;
+ function getBidiPartAt(order, pos) {
+ for (var i = 0, found; i < order.length; ++i) {
+ var cur = order[i];
+ if (cur.from < pos && cur.to > pos) { bidiOther = null; return i; }
+ if (cur.from == pos || cur.to == pos) {
+ if (found == null) {
+ found = i;
+ } else if (compareBidiLevel(order, cur.level, order[found].level)) {
+ bidiOther = found;
+ return i;
+ } else {
+ bidiOther = i;
+ return found;
+ }
+ }
+ }
+ bidiOther = null;
+ return found;
+ }
+
+ function moveInLine(line, pos, dir, byUnit) {
+ if (!byUnit) return pos + dir;
+ do pos += dir;
+ while (pos > 0 && isExtendingChar.test(line.text.charAt(pos)));
+ return pos;
+ }
+
+ // This is somewhat involved. It is needed in order to move
+ // 'visually' through bi-directional text -- i.e., pressing left
+ // should make the cursor go left, even when in RTL text. The
+ // tricky part is the 'jumps', where RTL and LTR text touch each
+ // other. This often requires the cursor offset to move more than
+ // one unit, in order to visually move one unit.
+ function moveVisually(line, start, dir, byUnit) {
+ var bidi = getOrder(line);
+ if (!bidi) return moveLogically(line, start, dir, byUnit);
+ var pos = getBidiPartAt(bidi, start), part = bidi[pos];
+ var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit);
+
+ for (;;) {
+ if (target > part.from && target < part.to) return target;
+ if (target == part.from || target == part.to) {
+ if (getBidiPartAt(bidi, target) == pos) return target;
+ part = bidi[pos += dir];
+ return (dir > 0) == part.level % 2 ? part.to : part.from;
+ } else {
+ part = bidi[pos += dir];
+ if (!part) return null;
+ if ((dir > 0) == part.level % 2)
+ target = moveInLine(line, part.to, -1, byUnit);
+ else
+ target = moveInLine(line, part.from, 1, byUnit);
+ }
+ }
+ }
+
+ function moveLogically(line, start, dir, byUnit) {
+ var target = start + dir;
+ if (byUnit) while (target > 0 && isExtendingChar.test(line.text.charAt(target))) target += dir;
+ return target < 0 || target > line.text.length ? null : target;
+ }
+
+ // Bidirectional ordering algorithm
+ // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
+ // that this (partially) implements.
+
+ // One-char codes used for character types:
+ // L (L): Left-to-Right
+ // R (R): Right-to-Left
+ // r (AL): Right-to-Left Arabic
+ // 1 (EN): European Number
+ // + (ES): European Number Separator
+ // % (ET): European Number Terminator
+ // n (AN): Arabic Number
+ // , (CS): Common Number Separator
+ // m (NSM): Non-Spacing Mark
+ // b (BN): Boundary Neutral
+ // s (B): Paragraph Separator
+ // t (S): Segment Separator
+ // w (WS): Whitespace
+ // N (ON): Other Neutrals
+
+ // Returns null if characters are ordered as they appear
+ // (left-to-right), or an array of sections ({from, to, level}
+ // objects) in the order in which they occur visually.
+ var bidiOrdering = (function() {
+ // Character types for codepoints 0 to 0xff
+ var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLL";
+ // Character types for codepoints 0x600 to 0x6ff
+ var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmmrrrrrrrrrrrrrrrrrr";
+ function charType(code) {
+ if (code <= 0xff) return lowTypes.charAt(code);
+ else if (0x590 <= code && code <= 0x5f4) return "R";
+ else if (0x600 <= code && code <= 0x6ff) return arabicTypes.charAt(code - 0x600);
+ else if (0x700 <= code && code <= 0x8ac) return "r";
+ else return "L";
+ }
+
+ var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
+ var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
+ // Browsers seem to always treat the boundaries of block elements as being L.
+ var outerType = "L";
+
+ return function(str) {
+ if (!bidiRE.test(str)) return false;
+ var len = str.length, types = [];
+ for (var i = 0, type; i < len; ++i)
+ types.push(type = charType(str.charCodeAt(i)));
+
+ // W1. Examine each non-spacing mark (NSM) in the level run, and
+ // change the type of the NSM to the type of the previous
+ // character. If the NSM is at the start of the level run, it will
+ // get the type of sor.
+ for (var i = 0, prev = outerType; i < len; ++i) {
+ var type = types[i];
+ if (type == "m") types[i] = prev;
+ else prev = type;
+ }
+
+ // W2. Search backwards from each instance of a European number
+ // until the first strong type (R, L, AL, or sor) is found. If an
+ // AL is found, change the type of the European number to Arabic
+ // number.
+ // W3. Change all ALs to R.
+ for (var i = 0, cur = outerType; i < len; ++i) {
+ var type = types[i];
+ if (type == "1" && cur == "r") types[i] = "n";
+ else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; }
+ }
+
+ // W4. A single European separator between two European numbers
+ // changes to a European number. A single common separator between
+ // two numbers of the same type changes to that type.
+ for (var i = 1, prev = types[0]; i < len - 1; ++i) {
+ var type = types[i];
+ if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1";
+ else if (type == "," && prev == types[i+1] &&
+ (prev == "1" || prev == "n")) types[i] = prev;
+ prev = type;
+ }
+
+ // W5. A sequence of European terminators adjacent to European
+ // numbers changes to all European numbers.
+ // W6. Otherwise, separators and terminators change to Other
+ // Neutral.
+ for (var i = 0; i < len; ++i) {
+ var type = types[i];
+ if (type == ",") types[i] = "N";
+ else if (type == "%") {
+ for (var end = i + 1; end < len && types[end] == "%"; ++end) {}
+ var replace = (i && types[i-1] == "!") || (end < len - 1 && types[end] == "1") ? "1" : "N";
+ for (var j = i; j < end; ++j) types[j] = replace;
+ i = end - 1;
+ }
+ }
+
+ // W7. Search backwards from each instance of a European number
+ // until the first strong type (R, L, or sor) is found. If an L is
+ // found, then change the type of the European number to L.
+ for (var i = 0, cur = outerType; i < len; ++i) {
+ var type = types[i];
+ if (cur == "L" && type == "1") types[i] = "L";
+ else if (isStrong.test(type)) cur = type;
+ }
+
+ // N1. A sequence of neutrals takes the direction of the
+ // surrounding strong text if the text on both sides has the same
+ // direction. European and Arabic numbers act as if they were R in
+ // terms of their influence on neutrals. Start-of-level-run (sor)
+ // and end-of-level-run (eor) are used at level run boundaries.
+ // N2. Any remaining neutrals take the embedding direction.
+ for (var i = 0; i < len; ++i) {
+ if (isNeutral.test(types[i])) {
+ for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {}
+ var before = (i ? types[i-1] : outerType) == "L";
+ var after = (end < len - 1 ? types[end] : outerType) == "L";
+ var replace = before || after ? "L" : "R";
+ for (var j = i; j < end; ++j) types[j] = replace;
+ i = end - 1;
+ }
+ }
+
+ // Here we depart from the documented algorithm, in order to avoid
+ // building up an actual levels array. Since there are only three
+ // levels (0, 1, 2) in an implementation that doesn't take
+ // explicit embedding into account, we can build up the order on
+ // the fly, without following the level-based algorithm.
+ var order = [], m;
+ for (var i = 0; i < len;) {
+ if (countsAsLeft.test(types[i])) {
+ var start = i;
+ for (++i; i < len && countsAsLeft.test(types[i]); ++i) {}
+ order.push({from: start, to: i, level: 0});
+ } else {
+ var pos = i, at = order.length;
+ for (++i; i < len && types[i] != "L"; ++i) {}
+ for (var j = pos; j < i;) {
+ if (countsAsNum.test(types[j])) {
+ if (pos < j) order.splice(at, 0, {from: pos, to: j, level: 1});
+ var nstart = j;
+ for (++j; j < i && countsAsNum.test(types[j]); ++j) {}
+ order.splice(at, 0, {from: nstart, to: j, level: 2});
+ pos = j;
+ } else ++j;
+ }
+ if (pos < i) order.splice(at, 0, {from: pos, to: i, level: 1});
+ }
+ }
+ if (order[0].level == 1 && (m = str.match(/^\s+/))) {
+ order[0].from = m[0].length;
+ order.unshift({from: 0, to: m[0].length, level: 0});
+ }
+ if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
+ lst(order).to -= m[0].length;
+ order.push({from: len - m[0].length, to: len, level: 0});
+ }
+ if (order[0].level != lst(order).level)
+ order.push({from: len, to: len, level: order[0].level});
+
+ return order;
+ };
+ })();
+
+ // THE END
+
+ CodeMirror.version = "3.14.0";
+
+ return CodeMirror;
+})();
diff --git a/js/jquery.js b/js/jquery.js
index 00c4e23..da41706 100644
--- a/js/jquery.js
+++ b/js/jquery.js
@@ -1,9252 +1,6 @@
-/*! jQuery v1.7.1 jquery.com | jquery.org/license */
-(function( window, undefined ) {
-
-// Use the correct document accordingly with window argument (sandbox)
-var document = window.document,
- navigator = window.navigator,
- location = window.location;
-var jQuery = (function() {
-
-// Define a local copy of jQuery
-var jQuery = function( selector, context ) {
- // The jQuery object is actually just the init constructor 'enhanced'
- return new jQuery.fn.init( selector, context, rootjQuery );
- },
-
- // Map over jQuery in case of overwrite
- _jQuery = window.jQuery,
-
- // Map over the $ in case of overwrite
- _$ = window.$,
-
- // A central reference to the root jQuery(document)
- rootjQuery,
-
- // A simple way to check for HTML strings or ID strings
- // Prioritize #id over to avoid XSS via location.hash (#9521)
- quickExpr = /^(?:[^#<]*(<[\w\W]+>)[^>]*$|#([\w\-]*)$)/,
-
- // Check if a string has a non-whitespace character in it
- rnotwhite = /\S/,
-
- // Used for trimming whitespace
- trimLeft = /^\s+/,
- trimRight = /\s+$/,
-
- // Match a standalone tag
- rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
-
- // JSON RegExp
- rvalidchars = /^[\],:{}\s]*$/,
- rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,
- rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
- rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
-
- // Useragent RegExp
- rwebkit = /(webkit)[ \/]([\w.]+)/,
- ropera = /(opera)(?:.*version)?[ \/]([\w.]+)/,
- rmsie = /(msie) ([\w.]+)/,
- rmozilla = /(mozilla)(?:.*? rv:([\w.]+))?/,
-
- // Matches dashed string for camelizing
- rdashAlpha = /-([a-z]|[0-9])/ig,
- rmsPrefix = /^-ms-/,
-
- // Used by jQuery.camelCase as callback to replace()
- fcamelCase = function( all, letter ) {
- return ( letter + "" ).toUpperCase();
- },
-
- // Keep a UserAgent string for use with jQuery.browser
- userAgent = navigator.userAgent,
-
- // For matching the engine and version of the browser
- browserMatch,
-
- // The deferred used on DOM ready
- readyList,
-
- // The ready event handler
- DOMContentLoaded,
-
- // Save a reference to some core methods
- toString = Object.prototype.toString,
- hasOwn = Object.prototype.hasOwnProperty,
- push = Array.prototype.push,
- slice = Array.prototype.slice,
- trim = String.prototype.trim,
- indexOf = Array.prototype.indexOf,
-
- // [[Class]] -> type pairs
- class2type = {};
-
-jQuery.fn = jQuery.prototype = {
- constructor: jQuery,
- init: function( selector, context, rootjQuery ) {
- var match, elem, ret, doc;
-
- // Handle $(""), $(null), or $(undefined)
- if ( !selector ) {
- return this;
- }
-
- // Handle $(DOMElement)
- if ( selector.nodeType ) {
- this.context = this[0] = selector;
- this.length = 1;
- return this;
- }
-
- // The body element only exists once, optimize finding it
- if ( selector === "body" && !context && document.body ) {
- this.context = document;
- this[0] = document.body;
- this.selector = selector;
- this.length = 1;
- return this;
- }
-
- // Handle HTML strings
- if ( typeof selector === "string" ) {
- // Are we dealing with HTML string or an ID?
- if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
- // Assume that strings that start and end with <> are HTML and skip the regex check
- match = [ null, selector, null ];
-
- } else {
- match = quickExpr.exec( selector );
- }
-
- // Verify a match, and that no context was specified for #id
- if ( match && (match[1] || !context) ) {
-
- // HANDLE: $(html) -> $(array)
- if ( match[1] ) {
- context = context instanceof jQuery ? context[0] : context;
- doc = ( context ? context.ownerDocument || context : document );
-
- // If a single string is passed in and it's a single tag
- // just do a createElement and skip the rest
- ret = rsingleTag.exec( selector );
-
- if ( ret ) {
- if ( jQuery.isPlainObject( context ) ) {
- selector = [ document.createElement( ret[1] ) ];
- jQuery.fn.attr.call( selector, context, true );
-
- } else {
- selector = [ doc.createElement( ret[1] ) ];
- }
-
- } else {
- ret = jQuery.buildFragment( [ match[1] ], [ doc ] );
- selector = ( ret.cacheable ? jQuery.clone(ret.fragment) : ret.fragment ).childNodes;
- }
-
- return jQuery.merge( this, selector );
-
- // HANDLE: $("#id")
- } else {
- elem = document.getElementById( match[2] );
-
- // Check parentNode to catch when Blackberry 4.6 returns
- // nodes that are no longer in the document #6963
- if ( elem && elem.parentNode ) {
- // Handle the case where IE and Opera return items
- // by name instead of ID
- if ( elem.id !== match[2] ) {
- return rootjQuery.find( selector );
- }
-
- // Otherwise, we inject the element directly into the jQuery object
- this.length = 1;
- this[0] = elem;
- }
-
- this.context = document;
- this.selector = selector;
- return this;
- }
-
- // HANDLE: $(expr, $(...))
- } else if ( !context || context.jquery ) {
- return ( context || rootjQuery ).find( selector );
-
- // HANDLE: $(expr, context)
- // (which is just equivalent to: $(context).find(expr)
- } else {
- return this.constructor( context ).find( selector );
- }
-
- // HANDLE: $(function)
- // Shortcut for document ready
- } else if ( jQuery.isFunction( selector ) ) {
- return rootjQuery.ready( selector );
- }
-
- if ( selector.selector !== undefined ) {
- this.selector = selector.selector;
- this.context = selector.context;
- }
-
- return jQuery.makeArray( selector, this );
- },
-
- // Start with an empty selector
- selector: "",
-
- // The current version of jQuery being used
- jquery: "1.7.1",
-
- // The default length of a jQuery object is 0
- length: 0,
-
- // The number of elements contained in the matched element set
- size: function() {
- return this.length;
- },
-
- toArray: function() {
- return slice.call( this, 0 );
- },
-
- // Get the Nth element in the matched element set OR
- // Get the whole matched element set as a clean array
- get: function( num ) {
- return num == null ?
-
- // Return a 'clean' array
- this.toArray() :
-
- // Return just the object
- ( num < 0 ? this[ this.length + num ] : this[ num ] );
- },
-
- // Take an array of elements and push it onto the stack
- // (returning the new matched element set)
- pushStack: function( elems, name, selector ) {
- // Build a new jQuery matched element set
- var ret = this.constructor();
-
- if ( jQuery.isArray( elems ) ) {
- push.apply( ret, elems );
-
- } else {
- jQuery.merge( ret, elems );
- }
-
- // Add the old object onto the stack (as a reference)
- ret.prevObject = this;
-
- ret.context = this.context;
-
- if ( name === "find" ) {
- ret.selector = this.selector + ( this.selector ? " " : "" ) + selector;
- } else if ( name ) {
- ret.selector = this.selector + "." + name + "(" + selector + ")";
- }
-
- // Return the newly-formed element set
- return ret;
- },
-
- // Execute a callback for every element in the matched set.
- // (You can seed the arguments with an array of args, but this is
- // only used internally.)
- each: function( callback, args ) {
- return jQuery.each( this, callback, args );
- },
-
- ready: function( fn ) {
- // Attach the listeners
- jQuery.bindReady();
-
- // Add the callback
- readyList.add( fn );
-
- return this;
- },
-
- eq: function( i ) {
- i = +i;
- return i === -1 ?
- this.slice( i ) :
- this.slice( i, i + 1 );
- },
-
- first: function() {
- return this.eq( 0 );
- },
-
- last: function() {
- return this.eq( -1 );
- },
-
- slice: function() {
- return this.pushStack( slice.apply( this, arguments ),
- "slice", slice.call(arguments).join(",") );
- },
-
- map: function( callback ) {
- return this.pushStack( jQuery.map(this, function( elem, i ) {
- return callback.call( elem, i, elem );
- }));
- },
-
- end: function() {
- return this.prevObject || this.constructor(null);
- },
-
- // For internal use only.
- // Behaves like an Array's method, not like a jQuery method.
- push: push,
- sort: [].sort,
- splice: [].splice
-};
-
-// Give the init function the jQuery prototype for later instantiation
-jQuery.fn.init.prototype = jQuery.fn;
-
-jQuery.extend = jQuery.fn.extend = function() {
- var options, name, src, copy, copyIsArray, clone,
- target = arguments[0] || {},
- i = 1,
- length = arguments.length,
- deep = false;
-
- // Handle a deep copy situation
- if ( typeof target === "boolean" ) {
- deep = target;
- target = arguments[1] || {};
- // skip the boolean and the target
- i = 2;
- }
-
- // Handle case when target is a string or something (possible in deep copy)
- if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
- target = {};
- }
-
- // extend jQuery itself if only one argument is passed
- if ( length === i ) {
- target = this;
- --i;
- }
-
- for ( ; i < length; i++ ) {
- // Only deal with non-null/undefined values
- if ( (options = arguments[ i ]) != null ) {
- // Extend the base object
- for ( name in options ) {
- src = target[ name ];
- copy = options[ name ];
-
- // Prevent never-ending loop
- if ( target === copy ) {
- continue;
- }
-
- // Recurse if we're merging plain objects or arrays
- if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
- if ( copyIsArray ) {
- copyIsArray = false;
- clone = src && jQuery.isArray(src) ? src : [];
-
- } else {
- clone = src && jQuery.isPlainObject(src) ? src : {};
- }
-
- // Never move original objects, clone them
- target[ name ] = jQuery.extend( deep, clone, copy );
-
- // Don't bring in undefined values
- } else if ( copy !== undefined ) {
- target[ name ] = copy;
- }
- }
- }
- }
-
- // Return the modified object
- return target;
-};
-
-jQuery.extend({
- noConflict: function( deep ) {
- if ( window.$ === jQuery ) {
- window.$ = _$;
- }
-
- if ( deep && window.jQuery === jQuery ) {
- window.jQuery = _jQuery;
- }
-
- return jQuery;
- },
-
- // Is the DOM ready to be used? Set to true once it occurs.
- isReady: false,
-
- // A counter to track how many items to wait for before
- // the ready event fires. See #6781
- readyWait: 1,
-
- // Hold (or release) the ready event
- holdReady: function( hold ) {
- if ( hold ) {
- jQuery.readyWait++;
- } else {
- jQuery.ready( true );
- }
- },
-
- // Handle when the DOM is ready
- ready: function( wait ) {
- // Either a released hold or an DOMready/load event and not yet ready
- if ( (wait === true && !--jQuery.readyWait) || (wait !== true && !jQuery.isReady) ) {
- // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
- if ( !document.body ) {
- return setTimeout( jQuery.ready, 1 );
- }
-
- // Remember that the DOM is ready
- jQuery.isReady = true;
-
- // If a normal DOM Ready event fired, decrement, and wait if need be
- if ( wait !== true && --jQuery.readyWait > 0 ) {
- return;
- }
-
- // If there are functions bound, to execute
- readyList.fireWith( document, [ jQuery ] );
-
- // Trigger any bound ready events
- if ( jQuery.fn.trigger ) {
- jQuery( document ).trigger( "ready" ).off( "ready" );
- }
- }
- },
-
- bindReady: function() {
- if ( readyList ) {
- return;
- }
-
- readyList = jQuery.Callbacks( "once memory" );
-
- // Catch cases where $(document).ready() is called after the
- // browser event has already occurred.
- if ( document.readyState === "complete" ) {
- // Handle it asynchronously to allow scripts the opportunity to delay ready
- return setTimeout( jQuery.ready, 1 );
- }
-
- // Mozilla, Opera and webkit nightlies currently support this event
- if ( document.addEventListener ) {
- // Use the handy event callback
- document.addEventListener( "DOMContentLoaded", DOMContentLoaded, false );
-
- // A fallback to window.onload, that will always work
- window.addEventListener( "load", jQuery.ready, false );
-
- // If IE event model is used
- } else if ( document.attachEvent ) {
- // ensure firing before onload,
- // maybe late but safe also for iframes
- document.attachEvent( "onreadystatechange", DOMContentLoaded );
-
- // A fallback to window.onload, that will always work
- window.attachEvent( "onload", jQuery.ready );
-
- // If IE and not a frame
- // continually check to see if the document is ready
- var toplevel = false;
-
- try {
- toplevel = window.frameElement == null;
- } catch(e) {}
-
- if ( document.documentElement.doScroll && toplevel ) {
- doScrollCheck();
- }
- }
- },
-
- // See test/unit/core.js for details concerning isFunction.
- // Since version 1.3, DOM methods and functions like alert
- // aren't supported. They return false on IE (#2968).
- isFunction: function( obj ) {
- return jQuery.type(obj) === "function";
- },
-
- isArray: Array.isArray || function( obj ) {
- return jQuery.type(obj) === "array";
- },
-
- // A crude way of determining if an object is a window
- isWindow: function( obj ) {
- return obj && typeof obj === "object" && "setInterval" in obj;
- },
-
- isNumeric: function( obj ) {
- return !isNaN( parseFloat(obj) ) && isFinite( obj );
- },
-
- type: function( obj ) {
- return obj == null ?
- String( obj ) :
- class2type[ toString.call(obj) ] || "object";
- },
-
- isPlainObject: function( obj ) {
- // Must be an Object.
- // Because of IE, we also have to check the presence of the constructor property.
- // Make sure that DOM nodes and window objects don't pass through, as well
- if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
- return false;
- }
-
- try {
- // Not own constructor property must be Object
- if ( obj.constructor &&
- !hasOwn.call(obj, "constructor") &&
- !hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
- return false;
- }
- } catch ( e ) {
- // IE8,9 Will throw exceptions on certain host objects #9897
- return false;
- }
-
- // Own properties are enumerated firstly, so to speed up,
- // if last one is own, then all properties are own.
-
- var key;
- for ( key in obj ) {}
-
- return key === undefined || hasOwn.call( obj, key );
- },
-
- isEmptyObject: function( obj ) {
- for ( var name in obj ) {
- return false;
- }
- return true;
- },
-
- error: function( msg ) {
- throw new Error( msg );
- },
-
- parseJSON: function( data ) {
- if ( typeof data !== "string" || !data ) {
- return null;
- }
-
- // Make sure leading/trailing whitespace is removed (IE can't handle it)
- data = jQuery.trim( data );
-
- // Attempt to parse using the native JSON parser first
- if ( window.JSON && window.JSON.parse ) {
- return window.JSON.parse( data );
- }
-
- // Make sure the incoming data is actual JSON
- // Logic borrowed from http://json.org/json2.js
- if ( rvalidchars.test( data.replace( rvalidescape, "@" )
- .replace( rvalidtokens, "]" )
- .replace( rvalidbraces, "")) ) {
-
- return ( new Function( "return " + data ) )();
-
- }
- jQuery.error( "Invalid JSON: " + data );
- },
-
- // Cross-browser xml parsing
- parseXML: function( data ) {
- var xml, tmp;
- try {
- if ( window.DOMParser ) { // Standard
- tmp = new DOMParser();
- xml = tmp.parseFromString( data , "text/xml" );
- } else { // IE
- xml = new ActiveXObject( "Microsoft.XMLDOM" );
- xml.async = "false";
- xml.loadXML( data );
- }
- } catch( e ) {
- xml = undefined;
- }
- if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
- jQuery.error( "Invalid XML: " + data );
- }
- return xml;
- },
-
- noop: function() {},
-
- // Evaluates a script in a global context
- // Workarounds based on findings by Jim Driscoll
- // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
- globalEval: function( data ) {
- if ( data && rnotwhite.test( data ) ) {
- // We use execScript on Internet Explorer
- // We use an anonymous function so that context is window
- // rather than jQuery in Firefox
- ( window.execScript || function( data ) {
- window[ "eval" ].call( window, data );
- } )( data );
- }
- },
-
- // Convert dashed to camelCase; used by the css and data modules
- // Microsoft forgot to hump their vendor prefix (#9572)
- camelCase: function( string ) {
- return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
- },
-
- nodeName: function( elem, name ) {
- return elem.nodeName && elem.nodeName.toUpperCase() === name.toUpperCase();
- },
-
- // args is for internal usage only
- each: function( object, callback, args ) {
- var name, i = 0,
- length = object.length,
- isObj = length === undefined || jQuery.isFunction( object );
-
- if ( args ) {
- if ( isObj ) {
- for ( name in object ) {
- if ( callback.apply( object[ name ], args ) === false ) {
- break;
- }
- }
- } else {
- for ( ; i < length; ) {
- if ( callback.apply( object[ i++ ], args ) === false ) {
- break;
- }
- }
- }
-
- // A special, fast, case for the most common use of each
- } else {
- if ( isObj ) {
- for ( name in object ) {
- if ( callback.call( object[ name ], name, object[ name ] ) === false ) {
- break;
- }
- }
- } else {
- for ( ; i < length; ) {
- if ( callback.call( object[ i ], i, object[ i++ ] ) === false ) {
- break;
- }
- }
- }
- }
-
- return object;
- },
-
- // Use native String.trim function wherever possible
- trim: trim ?
- function( text ) {
- return text == null ?
- "" :
- trim.call( text );
- } :
-
- // Otherwise use our own trimming functionality
- function( text ) {
- return text == null ?
- "" :
- text.toString().replace( trimLeft, "" ).replace( trimRight, "" );
- },
-
- // results is for internal usage only
- makeArray: function( array, results ) {
- var ret = results || [];
-
- if ( array != null ) {
- // The window, strings (and functions) also have 'length'
- // Tweaked logic slightly to handle Blackberry 4.7 RegExp issues #6930
- var type = jQuery.type( array );
-
- if ( array.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( array ) ) {
- push.call( ret, array );
- } else {
- jQuery.merge( ret, array );
- }
- }
-
- return ret;
- },
-
- inArray: function( elem, array, i ) {
- var len;
-
- if ( array ) {
- if ( indexOf ) {
- return indexOf.call( array, elem, i );
- }
-
- len = array.length;
- i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
-
- for ( ; i < len; i++ ) {
- // Skip accessing in sparse arrays
- if ( i in array && array[ i ] === elem ) {
- return i;
- }
- }
- }
-
- return -1;
- },
-
- merge: function( first, second ) {
- var i = first.length,
- j = 0;
-
- if ( typeof second.length === "number" ) {
- for ( var l = second.length; j < l; j++ ) {
- first[ i++ ] = second[ j ];
- }
-
- } else {
- while ( second[j] !== undefined ) {
- first[ i++ ] = second[ j++ ];
- }
- }
-
- first.length = i;
-
- return first;
- },
-
- grep: function( elems, callback, inv ) {
- var ret = [], retVal;
- inv = !!inv;
-
- // Go through the array, only saving the items
- // that pass the validator function
- for ( var i = 0, length = elems.length; i < length; i++ ) {
- retVal = !!callback( elems[ i ], i );
- if ( inv !== retVal ) {
- ret.push( elems[ i ] );
- }
- }
-
- return ret;
- },
-
- // arg is for internal usage only
- map: function( elems, callback, arg ) {
- var value, key, ret = [],
- i = 0,
- length = elems.length,
- // jquery objects are treated as arrays
- isArray = elems instanceof jQuery || length !== undefined && typeof length === "number" && ( ( length > 0 && elems[ 0 ] && elems[ length -1 ] ) || length === 0 || jQuery.isArray( elems ) ) ;
-
- // Go through the array, translating each of the items to their
- if ( isArray ) {
- for ( ; i < length; i++ ) {
- value = callback( elems[ i ], i, arg );
-
- if ( value != null ) {
- ret[ ret.length ] = value;
- }
- }
-
- // Go through every key on the object
- } else {
- for ( key in elems ) {
- value = callback( elems[ key ], key, arg );
-
- if ( value != null ) {
- ret[ ret.length ] = value;
- }
- }
- }
-
- // Flatten any nested arrays
- return ret.concat.apply( [], ret );
- },
-
- // A global GUID counter for objects
- guid: 1,
-
- // Bind a function to a context, optionally partially applying any
- // arguments.
- proxy: function( fn, context ) {
- if ( typeof context === "string" ) {
- var tmp = fn[ context ];
- context = fn;
- fn = tmp;
- }
-
- // Quick check to determine if target is callable, in the spec
- // this throws a TypeError, but we will just return undefined.
- if ( !jQuery.isFunction( fn ) ) {
- return undefined;
- }
-
- // Simulated bind
- var args = slice.call( arguments, 2 ),
- proxy = function() {
- return fn.apply( context, args.concat( slice.call( arguments ) ) );
- };
-
- // Set the guid of unique handler to the same of original handler, so it can be removed
- proxy.guid = fn.guid = fn.guid || proxy.guid || jQuery.guid++;
-
- return proxy;
- },
-
- // Mutifunctional method to get and set values to a collection
- // The value/s can optionally be executed if it's a function
- access: function( elems, key, value, exec, fn, pass ) {
- var length = elems.length;
-
- // Setting many attributes
- if ( typeof key === "object" ) {
- for ( var k in key ) {
- jQuery.access( elems, k, key[k], exec, fn, value );
- }
- return elems;
- }
-
- // Setting one attribute
- if ( value !== undefined ) {
- // Optionally, function values get executed if exec is true
- exec = !pass && exec && jQuery.isFunction(value);
-
- for ( var i = 0; i < length; i++ ) {
- fn( elems[i], key, exec ? value.call( elems[i], i, fn( elems[i], key ) ) : value, pass );
- }
-
- return elems;
- }
-
- // Getting an attribute
- return length ? fn( elems[0], key ) : undefined;
- },
-
- now: function() {
- return ( new Date() ).getTime();
- },
-
- // Use of jQuery.browser is frowned upon.
- // More details: http://docs.jquery.com/Utilities/jQuery.browser
- uaMatch: function( ua ) {
- ua = ua.toLowerCase();
-
- var match = rwebkit.exec( ua ) ||
- ropera.exec( ua ) ||
- rmsie.exec( ua ) ||
- ua.indexOf("compatible") < 0 && rmozilla.exec( ua ) ||
- [];
-
- return { browser: match[1] || "", version: match[2] || "0" };
- },
-
- sub: function() {
- function jQuerySub( selector, context ) {
- return new jQuerySub.fn.init( selector, context );
- }
- jQuery.extend( true, jQuerySub, this );
- jQuerySub.superclass = this;
- jQuerySub.fn = jQuerySub.prototype = this();
- jQuerySub.fn.constructor = jQuerySub;
- jQuerySub.sub = this.sub;
- jQuerySub.fn.init = function init( selector, context ) {
- if ( context && context instanceof jQuery && !(context instanceof jQuerySub) ) {
- context = jQuerySub( context );
- }
-
- return jQuery.fn.init.call( this, selector, context, rootjQuerySub );
- };
- jQuerySub.fn.init.prototype = jQuerySub.fn;
- var rootjQuerySub = jQuerySub(document);
- return jQuerySub;
- },
-
- browser: {}
-});
-
-// Populate the class2type map
-jQuery.each("Boolean Number String Function Array Date RegExp Object".split(" "), function(i, name) {
- class2type[ "[object " + name + "]" ] = name.toLowerCase();
-});
-
-browserMatch = jQuery.uaMatch( userAgent );
-if ( browserMatch.browser ) {
- jQuery.browser[ browserMatch.browser ] = true;
- jQuery.browser.version = browserMatch.version;
-}
-
-// Deprecated, use jQuery.browser.webkit instead
-if ( jQuery.browser.webkit ) {
- jQuery.browser.safari = true;
-}
-
-// IE doesn't match non-breaking spaces with \s
-if ( rnotwhite.test( "\xA0" ) ) {
- trimLeft = /^[\s\xA0]+/;
- trimRight = /[\s\xA0]+$/;
-}
-
-// All jQuery objects should point back to these
-rootjQuery = jQuery(document);
-
-// Cleanup functions for the document ready method
-if ( document.addEventListener ) {
- DOMContentLoaded = function() {
- document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false );
- jQuery.ready();
- };
-
-} else if ( document.attachEvent ) {
- DOMContentLoaded = function() {
- // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
- if ( document.readyState === "complete" ) {
- document.detachEvent( "onreadystatechange", DOMContentLoaded );
- jQuery.ready();
- }
- };
-}
-
-// The DOM ready check for Internet Explorer
-function doScrollCheck() {
- if ( jQuery.isReady ) {
- return;
- }
-
- try {
- // If IE is used, use the trick by Diego Perini
- // http://javascript.nwbox.com/IEContentLoaded/
- document.documentElement.doScroll("left");
- } catch(e) {
- setTimeout( doScrollCheck, 1 );
- return;
- }
-
- // and execute any waiting functions
- jQuery.ready();
-}
-
-return jQuery;
-
-})();
-
-
-// String to Object flags format cache
-var flagsCache = {};
-
-// Convert String-formatted flags into Object-formatted ones and store in cache
-function createFlags( flags ) {
- var object = flagsCache[ flags ] = {},
- i, length;
- flags = flags.split( /\s+/ );
- for ( i = 0, length = flags.length; i < length; i++ ) {
- object[ flags[i] ] = true;
- }
- return object;
-}
-
-/*
- * Create a callback list using the following parameters:
- *
- * flags: an optional list of space-separated flags that will change how
- * the callback list behaves
- *
- * By default a callback list will act like an event callback list and can be
- * "fired" multiple times.
- *
- * Possible flags:
- *
- * once: will ensure the callback list can only be fired once (like a Deferred)
- *
- * memory: will keep track of previous values and will call any callback added
- * after the list has been fired right away with the latest "memorized"
- * values (like a Deferred)
- *
- * unique: will ensure a callback can only be added once (no duplicate in the list)
- *
- * stopOnFalse: interrupt callings when a callback returns false
- *
- */
-jQuery.Callbacks = function( flags ) {
-
- // Convert flags from String-formatted to Object-formatted
- // (we check in cache first)
- flags = flags ? ( flagsCache[ flags ] || createFlags( flags ) ) : {};
-
- var // Actual callback list
- list = [],
- // Stack of fire calls for repeatable lists
- stack = [],
- // Last fire value (for non-forgettable lists)
- memory,
- // Flag to know if list is currently firing
- firing,
- // First callback to fire (used internally by add and fireWith)
- firingStart,
- // End of the loop when firing
- firingLength,
- // Index of currently firing callback (modified by remove if needed)
- firingIndex,
- // Add one or several callbacks to the list
- add = function( args ) {
- var i,
- length,
- elem,
- type,
- actual;
- for ( i = 0, length = args.length; i < length; i++ ) {
- elem = args[ i ];
- type = jQuery.type( elem );
- if ( type === "array" ) {
- // Inspect recursively
- add( elem );
- } else if ( type === "function" ) {
- // Add if not in unique mode and callback is not in
- if ( !flags.unique || !self.has( elem ) ) {
- list.push( elem );
- }
- }
- }
- },
- // Fire callbacks
- fire = function( context, args ) {
- args = args || [];
- memory = !flags.memory || [ context, args ];
- firing = true;
- firingIndex = firingStart || 0;
- firingStart = 0;
- firingLength = list.length;
- for ( ; list && firingIndex < firingLength; firingIndex++ ) {
- if ( list[ firingIndex ].apply( context, args ) === false && flags.stopOnFalse ) {
- memory = true; // Mark as halted
- break;
- }
- }
- firing = false;
- if ( list ) {
- if ( !flags.once ) {
- if ( stack && stack.length ) {
- memory = stack.shift();
- self.fireWith( memory[ 0 ], memory[ 1 ] );
- }
- } else if ( memory === true ) {
- self.disable();
- } else {
- list = [];
- }
- }
- },
- // Actual Callbacks object
- self = {
- // Add a callback or a collection of callbacks to the list
- add: function() {
- if ( list ) {
- var length = list.length;
- add( arguments );
- // Do we need to add the callbacks to the
- // current firing batch?
- if ( firing ) {
- firingLength = list.length;
- // With memory, if we're not firing then
- // we should call right away, unless previous
- // firing was halted (stopOnFalse)
- } else if ( memory && memory !== true ) {
- firingStart = length;
- fire( memory[ 0 ], memory[ 1 ] );
- }
- }
- return this;
- },
- // Remove a callback from the list
- remove: function() {
- if ( list ) {
- var args = arguments,
- argIndex = 0,
- argLength = args.length;
- for ( ; argIndex < argLength ; argIndex++ ) {
- for ( var i = 0; i < list.length; i++ ) {
- if ( args[ argIndex ] === list[ i ] ) {
- // Handle firingIndex and firingLength
- if ( firing ) {
- if ( i <= firingLength ) {
- firingLength--;
- if ( i <= firingIndex ) {
- firingIndex--;
- }
- }
- }
- // Remove the element
- list.splice( i--, 1 );
- // If we have some unicity property then
- // we only need to do this once
- if ( flags.unique ) {
- break;
- }
- }
- }
- }
- }
- return this;
- },
- // Control if a given callback is in the list
- has: function( fn ) {
- if ( list ) {
- var i = 0,
- length = list.length;
- for ( ; i < length; i++ ) {
- if ( fn === list[ i ] ) {
- return true;
- }
- }
- }
- return false;
- },
- // Remove all callbacks from the list
- empty: function() {
- list = [];
- return this;
- },
- // Have the list do nothing anymore
- disable: function() {
- list = stack = memory = undefined;
- return this;
- },
- // Is it disabled?
- disabled: function() {
- return !list;
- },
- // Lock the list in its current state
- lock: function() {
- stack = undefined;
- if ( !memory || memory === true ) {
- self.disable();
- }
- return this;
- },
- // Is it locked?
- locked: function() {
- return !stack;
- },
- // Call all callbacks with the given context and arguments
- fireWith: function( context, args ) {
- if ( stack ) {
- if ( firing ) {
- if ( !flags.once ) {
- stack.push( [ context, args ] );
- }
- } else if ( !( flags.once && memory ) ) {
- fire( context, args );
- }
- }
- return this;
- },
- // Call all the callbacks with the given arguments
- fire: function() {
- self.fireWith( this, arguments );
- return this;
- },
- // To know if the callbacks have already been called at least once
- fired: function() {
- return !!memory;
- }
- };
-
- return self;
-};
-
-
-
-
-var // Static reference to slice
- sliceDeferred = [].slice;
-
-jQuery.extend({
-
- Deferred: function( func ) {
- var doneList = jQuery.Callbacks( "once memory" ),
- failList = jQuery.Callbacks( "once memory" ),
- progressList = jQuery.Callbacks( "memory" ),
- state = "pending",
- lists = {
- resolve: doneList,
- reject: failList,
- notify: progressList
- },
- promise = {
- done: doneList.add,
- fail: failList.add,
- progress: progressList.add,
-
- state: function() {
- return state;
- },
-
- // Deprecated
- isResolved: doneList.fired,
- isRejected: failList.fired,
-
- then: function( doneCallbacks, failCallbacks, progressCallbacks ) {
- deferred.done( doneCallbacks ).fail( failCallbacks ).progress( progressCallbacks );
- return this;
- },
- always: function() {
- deferred.done.apply( deferred, arguments ).fail.apply( deferred, arguments );
- return this;
- },
- pipe: function( fnDone, fnFail, fnProgress ) {
- return jQuery.Deferred(function( newDefer ) {
- jQuery.each( {
- done: [ fnDone, "resolve" ],
- fail: [ fnFail, "reject" ],
- progress: [ fnProgress, "notify" ]
- }, function( handler, data ) {
- var fn = data[ 0 ],
- action = data[ 1 ],
- returned;
- if ( jQuery.isFunction( fn ) ) {
- deferred[ handler ](function() {
- returned = fn.apply( this, arguments );
- if ( returned && jQuery.isFunction( returned.promise ) ) {
- returned.promise().then( newDefer.resolve, newDefer.reject, newDefer.notify );
- } else {
- newDefer[ action + "With" ]( this === deferred ? newDefer : this, [ returned ] );
- }
- });
- } else {
- deferred[ handler ]( newDefer[ action ] );
- }
- });
- }).promise();
- },
- // Get a promise for this deferred
- // If obj is provided, the promise aspect is added to the object
- promise: function( obj ) {
- if ( obj == null ) {
- obj = promise;
- } else {
- for ( var key in promise ) {
- obj[ key ] = promise[ key ];
- }
- }
- return obj;
- }
- },
- deferred = promise.promise({}),
- key;
-
- for ( key in lists ) {
- deferred[ key ] = lists[ key ].fire;
- deferred[ key + "With" ] = lists[ key ].fireWith;
- }
-
- // Handle state
- deferred.done( function() {
- state = "resolved";
- }, failList.disable, progressList.lock ).fail( function() {
- state = "rejected";
- }, doneList.disable, progressList.lock );
-
- // Call given func if any
- if ( func ) {
- func.call( deferred, deferred );
- }
-
- // All done!
- return deferred;
- },
-
- // Deferred helper
- when: function( firstParam ) {
- var args = sliceDeferred.call( arguments, 0 ),
- i = 0,
- length = args.length,
- pValues = new Array( length ),
- count = length,
- pCount = length,
- deferred = length <= 1 && firstParam && jQuery.isFunction( firstParam.promise ) ?
- firstParam :
- jQuery.Deferred(),
- promise = deferred.promise();
- function resolveFunc( i ) {
- return function( value ) {
- args[ i ] = arguments.length > 1 ? sliceDeferred.call( arguments, 0 ) : value;
- if ( !( --count ) ) {
- deferred.resolveWith( deferred, args );
- }
- };
- }
- function progressFunc( i ) {
- return function( value ) {
- pValues[ i ] = arguments.length > 1 ? sliceDeferred.call( arguments, 0 ) : value;
- deferred.notifyWith( promise, pValues );
- };
- }
- if ( length > 1 ) {
- for ( ; i < length; i++ ) {
- if ( args[ i ] && args[ i ].promise && jQuery.isFunction( args[ i ].promise ) ) {
- args[ i ].promise().then( resolveFunc(i), deferred.reject, progressFunc(i) );
- } else {
- --count;
- }
- }
- if ( !count ) {
- deferred.resolveWith( deferred, args );
- }
- } else if ( deferred !== firstParam ) {
- deferred.resolveWith( deferred, length ? [ firstParam ] : [] );
- }
- return promise;
- }
-});
-
-
-
-
-jQuery.support = (function() {
-
- var support,
- all,
- a,
- select,
- opt,
- input,
- marginDiv,
- fragment,
- tds,
- events,
- eventName,
- i,
- isSupported,
- div = document.createElement( "div" ),
- documentElement = document.documentElement;
-
- // Preliminary tests
- div.setAttribute("className", "t");
- div.innerHTML = "
a";
-
- all = div.getElementsByTagName( "*" );
- a = div.getElementsByTagName( "a" )[ 0 ];
-
- // Can't get basic test support
- if ( !all || !all.length || !a ) {
- return {};
- }
-
- // First batch of supports tests
- select = document.createElement( "select" );
- opt = select.appendChild( document.createElement("option") );
- input = div.getElementsByTagName( "input" )[ 0 ];
-
- support = {
- // IE strips leading whitespace when .innerHTML is used
- leadingWhitespace: ( div.firstChild.nodeType === 3 ),
-
- // Make sure that tbody elements aren't automatically inserted
- // IE will insert them into empty tables
- tbody: !div.getElementsByTagName("tbody").length,
-
- // Make sure that link elements get serialized correctly by innerHTML
- // This requires a wrapper element in IE
- htmlSerialize: !!div.getElementsByTagName("link").length,
-
- // Get the style information from getAttribute
- // (IE uses .cssText instead)
- style: /top/.test( a.getAttribute("style") ),
-
- // Make sure that URLs aren't manipulated
- // (IE normalizes it by default)
- hrefNormalized: ( a.getAttribute("href") === "/a" ),
-
- // Make sure that element opacity exists
- // (IE uses filter instead)
- // Use a regex to work around a WebKit issue. See #5145
- opacity: /^0.55/.test( a.style.opacity ),
-
- // Verify style float existence
- // (IE uses styleFloat instead of cssFloat)
- cssFloat: !!a.style.cssFloat,
-
- // Make sure that if no value is specified for a checkbox
- // that it defaults to "on".
- // (WebKit defaults to "" instead)
- checkOn: ( input.value === "on" ),
-
- // Make sure that a selected-by-default option has a working selected property.
- // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
- optSelected: opt.selected,
-
- // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
- getSetAttribute: div.className !== "t",
-
- // Tests for enctype support on a form(#6743)
- enctype: !!document.createElement("form").enctype,
-
- // Makes sure cloning an html5 element does not cause problems
- // Where outerHTML is undefined, this still works
- html5Clone: document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav>",
-
- // Will be defined later
- submitBubbles: true,
- changeBubbles: true,
- focusinBubbles: false,
- deleteExpando: true,
- noCloneEvent: true,
- inlineBlockNeedsLayout: false,
- shrinkWrapBlocks: false,
- reliableMarginRight: true
- };
-
- // Make sure checked status is properly cloned
- input.checked = true;
- support.noCloneChecked = input.cloneNode( true ).checked;
-
- // Make sure that the options inside disabled selects aren't marked as disabled
- // (WebKit marks them as disabled)
- select.disabled = true;
- support.optDisabled = !opt.disabled;
-
- // Test to see if it's possible to delete an expando from an element
- // Fails in Internet Explorer
- try {
- delete div.test;
- } catch( e ) {
- support.deleteExpando = false;
- }
-
- if ( !div.addEventListener && div.attachEvent && div.fireEvent ) {
- div.attachEvent( "onclick", function() {
- // Cloning a node shouldn't copy over any
- // bound event handlers (IE does this)
- support.noCloneEvent = false;
- });
- div.cloneNode( true ).fireEvent( "onclick" );
- }
-
- // Check if a radio maintains its value
- // after being appended to the DOM
- input = document.createElement("input");
- input.value = "t";
- input.setAttribute("type", "radio");
- support.radioValue = input.value === "t";
-
- input.setAttribute("checked", "checked");
- div.appendChild( input );
- fragment = document.createDocumentFragment();
- fragment.appendChild( div.lastChild );
-
- // WebKit doesn't clone checked state correctly in fragments
- support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;
-
- // Check if a disconnected checkbox will retain its checked
- // value of true after appended to the DOM (IE6/7)
- support.appendChecked = input.checked;
-
- fragment.removeChild( input );
- fragment.appendChild( div );
-
- div.innerHTML = "";
-
- // Check if div with explicit width and no margin-right incorrectly
- // gets computed margin-right based on width of container. For more
- // info see bug #3333
- // Fails in WebKit before Feb 2011 nightlies
- // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
- if ( window.getComputedStyle ) {
- marginDiv = document.createElement( "div" );
- marginDiv.style.width = "0";
- marginDiv.style.marginRight = "0";
- div.style.width = "2px";
- div.appendChild( marginDiv );
- support.reliableMarginRight =
- ( parseInt( ( window.getComputedStyle( marginDiv, null ) || { marginRight: 0 } ).marginRight, 10 ) || 0 ) === 0;
- }
-
- // Technique from Juriy Zaytsev
- // http://perfectionkills.com/detecting-event-support-without-browser-sniffing/
- // We only care about the case where non-standard event systems
- // are used, namely in IE. Short-circuiting here helps us to
- // avoid an eval call (in setAttribute) which can cause CSP
- // to go haywire. See: https://developer.mozilla.org/en/Security/CSP
- if ( div.attachEvent ) {
- for( i in {
- submit: 1,
- change: 1,
- focusin: 1
- }) {
- eventName = "on" + i;
- isSupported = ( eventName in div );
- if ( !isSupported ) {
- div.setAttribute( eventName, "return;" );
- isSupported = ( typeof div[ eventName ] === "function" );
- }
- support[ i + "Bubbles" ] = isSupported;
- }
- }
-
- fragment.removeChild( div );
-
- // Null elements to avoid leaks in IE
- fragment = select = opt = marginDiv = div = input = null;
-
- // Run tests that need a body at doc ready
- jQuery(function() {
- var container, outer, inner, table, td, offsetSupport,
- conMarginTop, ptlm, vb, style, html,
- body = document.getElementsByTagName("body")[0];
-
- if ( !body ) {
- // Return for frameset docs that don't have a body
- return;
- }
-
- conMarginTop = 1;
- ptlm = "position:absolute;top:0;left:0;width:1px;height:1px;margin:0;";
- vb = "visibility:hidden;border:0;";
- style = "style='" + ptlm + "border:5px solid #000;padding:0;'";
- html = "
" +
- "
" +
- "
";
-
- container = document.createElement("div");
- container.style.cssText = vb + "width:0;height:0;position:static;top:0;margin-top:" + conMarginTop + "px";
- body.insertBefore( container, body.firstChild );
-
- // Construct the test element
- div = document.createElement("div");
- container.appendChild( div );
-
- // Check if table cells still have offsetWidth/Height when they are set
- // to display:none and there are still other visible table cells in a
- // table row; if so, offsetWidth/Height are not reliable for use when
- // determining if an element has been hidden directly using
- // display:none (it is still safe to use offsets if a parent element is
- // hidden; don safety goggles and see bug #4512 for more information).
- // (only IE 8 fails this test)
- div.innerHTML = "
t
";
- tds = div.getElementsByTagName( "td" );
- isSupported = ( tds[ 0 ].offsetHeight === 0 );
-
- tds[ 0 ].style.display = "";
- tds[ 1 ].style.display = "none";
-
- // Check if empty table cells still have offsetWidth/Height
- // (IE <= 8 fail this test)
- support.reliableHiddenOffsets = isSupported && ( tds[ 0 ].offsetHeight === 0 );
-
- // Figure out if the W3C box model works as expected
- div.innerHTML = "";
- div.style.width = div.style.paddingLeft = "1px";
- jQuery.boxModel = support.boxModel = div.offsetWidth === 2;
-
- if ( typeof div.style.zoom !== "undefined" ) {
- // Check if natively block-level elements act like inline-block
- // elements when setting their display to 'inline' and giving
- // them layout
- // (IE < 8 does this)
- div.style.display = "inline";
- div.style.zoom = 1;
- support.inlineBlockNeedsLayout = ( div.offsetWidth === 2 );
-
- // Check if elements with layout shrink-wrap their children
- // (IE 6 does this)
- div.style.display = "";
- div.innerHTML = "";
- support.shrinkWrapBlocks = ( div.offsetWidth !== 2 );
- }
-
- div.style.cssText = ptlm + vb;
- div.innerHTML = html;
-
- outer = div.firstChild;
- inner = outer.firstChild;
- td = outer.nextSibling.firstChild.firstChild;
-
- offsetSupport = {
- doesNotAddBorder: ( inner.offsetTop !== 5 ),
- doesAddBorderForTableAndCells: ( td.offsetTop === 5 )
- };
-
- inner.style.position = "fixed";
- inner.style.top = "20px";
-
- // safari subtracts parent border width here which is 5px
- offsetSupport.fixedPosition = ( inner.offsetTop === 20 || inner.offsetTop === 15 );
- inner.style.position = inner.style.top = "";
-
- outer.style.overflow = "hidden";
- outer.style.position = "relative";
-
- offsetSupport.subtractsBorderForOverflowNotVisible = ( inner.offsetTop === -5 );
- offsetSupport.doesNotIncludeMarginInBodyOffset = ( body.offsetTop !== conMarginTop );
-
- body.removeChild( container );
- div = container = null;
-
- jQuery.extend( support, offsetSupport );
- });
-
- return support;
-})();
-
-
-
-
-var rbrace = /^(?:\{.*\}|\[.*\])$/,
- rmultiDash = /([A-Z])/g;
-
-jQuery.extend({
- cache: {},
-
- // Please use with caution
- uuid: 0,
-
- // Unique for each copy of jQuery on the page
- // Non-digits removed to match rinlinejQuery
- expando: "jQuery" + ( jQuery.fn.jquery + Math.random() ).replace( /\D/g, "" ),
-
- // The following elements throw uncatchable exceptions if you
- // attempt to add expando properties to them.
- noData: {
- "embed": true,
- // Ban all objects except for Flash (which handle expandos)
- "object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000",
- "applet": true
- },
-
- hasData: function( elem ) {
- elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
- return !!elem && !isEmptyDataObject( elem );
- },
-
- data: function( elem, name, data, pvt /* Internal Use Only */ ) {
- if ( !jQuery.acceptData( elem ) ) {
- return;
- }
-
- var privateCache, thisCache, ret,
- internalKey = jQuery.expando,
- getByName = typeof name === "string",
-
- // We have to handle DOM nodes and JS objects differently because IE6-7
- // can't GC object references properly across the DOM-JS boundary
- isNode = elem.nodeType,
-
- // Only DOM nodes need the global jQuery cache; JS object data is
- // attached directly to the object so GC can occur automatically
- cache = isNode ? jQuery.cache : elem,
-
- // Only defining an ID for JS objects if its cache already exists allows
- // the code to shortcut on the same path as a DOM node with no cache
- id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey,
- isEvents = name === "events";
-
- // Avoid doing any more work than we need to when trying to get data on an
- // object that has no data at all
- if ( (!id || !cache[id] || (!isEvents && !pvt && !cache[id].data)) && getByName && data === undefined ) {
- return;
- }
-
- if ( !id ) {
- // Only DOM nodes need a new unique ID for each element since their data
- // ends up in the global cache
- if ( isNode ) {
- elem[ internalKey ] = id = ++jQuery.uuid;
- } else {
- id = internalKey;
- }
- }
-
- if ( !cache[ id ] ) {
- cache[ id ] = {};
-
- // Avoids exposing jQuery metadata on plain JS objects when the object
- // is serialized using JSON.stringify
- if ( !isNode ) {
- cache[ id ].toJSON = jQuery.noop;
- }
- }
-
- // An object can be passed to jQuery.data instead of a key/value pair; this gets
- // shallow copied over onto the existing cache
- if ( typeof name === "object" || typeof name === "function" ) {
- if ( pvt ) {
- cache[ id ] = jQuery.extend( cache[ id ], name );
- } else {
- cache[ id ].data = jQuery.extend( cache[ id ].data, name );
- }
- }
-
- privateCache = thisCache = cache[ id ];
-
- // jQuery data() is stored in a separate object inside the object's internal data
- // cache in order to avoid key collisions between internal data and user-defined
- // data.
- if ( !pvt ) {
- if ( !thisCache.data ) {
- thisCache.data = {};
- }
-
- thisCache = thisCache.data;
- }
-
- if ( data !== undefined ) {
- thisCache[ jQuery.camelCase( name ) ] = data;
- }
-
- // Users should not attempt to inspect the internal events object using jQuery.data,
- // it is undocumented and subject to change. But does anyone listen? No.
- if ( isEvents && !thisCache[ name ] ) {
- return privateCache.events;
- }
-
- // Check for both converted-to-camel and non-converted data property names
- // If a data property was specified
- if ( getByName ) {
-
- // First Try to find as-is property data
- ret = thisCache[ name ];
-
- // Test for null|undefined property data
- if ( ret == null ) {
-
- // Try to find the camelCased property
- ret = thisCache[ jQuery.camelCase( name ) ];
- }
- } else {
- ret = thisCache;
- }
-
- return ret;
- },
-
- removeData: function( elem, name, pvt /* Internal Use Only */ ) {
- if ( !jQuery.acceptData( elem ) ) {
- return;
- }
-
- var thisCache, i, l,
-
- // Reference to internal data cache key
- internalKey = jQuery.expando,
-
- isNode = elem.nodeType,
-
- // See jQuery.data for more information
- cache = isNode ? jQuery.cache : elem,
-
- // See jQuery.data for more information
- id = isNode ? elem[ internalKey ] : internalKey;
-
- // If there is already no cache entry for this object, there is no
- // purpose in continuing
- if ( !cache[ id ] ) {
- return;
- }
-
- if ( name ) {
-
- thisCache = pvt ? cache[ id ] : cache[ id ].data;
-
- if ( thisCache ) {
-
- // Support array or space separated string names for data keys
- if ( !jQuery.isArray( name ) ) {
-
- // try the string as a key before any manipulation
- if ( name in thisCache ) {
- name = [ name ];
- } else {
-
- // split the camel cased version by spaces unless a key with the spaces exists
- name = jQuery.camelCase( name );
- if ( name in thisCache ) {
- name = [ name ];
- } else {
- name = name.split( " " );
- }
- }
- }
-
- for ( i = 0, l = name.length; i < l; i++ ) {
- delete thisCache[ name[i] ];
- }
-
- // If there is no data left in the cache, we want to continue
- // and let the cache object itself get destroyed
- if ( !( pvt ? isEmptyDataObject : jQuery.isEmptyObject )( thisCache ) ) {
- return;
- }
- }
- }
-
- // See jQuery.data for more information
- if ( !pvt ) {
- delete cache[ id ].data;
-
- // Don't destroy the parent cache unless the internal data object
- // had been the only thing left in it
- if ( !isEmptyDataObject(cache[ id ]) ) {
- return;
- }
- }
-
- // Browsers that fail expando deletion also refuse to delete expandos on
- // the window, but it will allow it on all other JS objects; other browsers
- // don't care
- // Ensure that `cache` is not a window object #10080
- if ( jQuery.support.deleteExpando || !cache.setInterval ) {
- delete cache[ id ];
- } else {
- cache[ id ] = null;
- }
-
- // We destroyed the cache and need to eliminate the expando on the node to avoid
- // false lookups in the cache for entries that no longer exist
- if ( isNode ) {
- // IE does not allow us to delete expando properties from nodes,
- // nor does it have a removeAttribute function on Document nodes;
- // we must handle all of these cases
- if ( jQuery.support.deleteExpando ) {
- delete elem[ internalKey ];
- } else if ( elem.removeAttribute ) {
- elem.removeAttribute( internalKey );
- } else {
- elem[ internalKey ] = null;
- }
- }
- },
-
- // For internal use only.
- _data: function( elem, name, data ) {
- return jQuery.data( elem, name, data, true );
- },
-
- // A method for determining if a DOM node can handle the data expando
- acceptData: function( elem ) {
- if ( elem.nodeName ) {
- var match = jQuery.noData[ elem.nodeName.toLowerCase() ];
-
- if ( match ) {
- return !(match === true || elem.getAttribute("classid") !== match);
- }
- }
-
- return true;
- }
-});
-
-jQuery.fn.extend({
- data: function( key, value ) {
- var parts, attr, name,
- data = null;
-
- if ( typeof key === "undefined" ) {
- if ( this.length ) {
- data = jQuery.data( this[0] );
-
- if ( this[0].nodeType === 1 && !jQuery._data( this[0], "parsedAttrs" ) ) {
- attr = this[0].attributes;
- for ( var i = 0, l = attr.length; i < l; i++ ) {
- name = attr[i].name;
-
- if ( name.indexOf( "data-" ) === 0 ) {
- name = jQuery.camelCase( name.substring(5) );
-
- dataAttr( this[0], name, data[ name ] );
- }
- }
- jQuery._data( this[0], "parsedAttrs", true );
- }
- }
-
- return data;
-
- } else if ( typeof key === "object" ) {
- return this.each(function() {
- jQuery.data( this, key );
- });
- }
-
- parts = key.split(".");
- parts[1] = parts[1] ? "." + parts[1] : "";
-
- if ( value === undefined ) {
- data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
-
- // Try to fetch any internally stored data first
- if ( data === undefined && this.length ) {
- data = jQuery.data( this[0], key );
- data = dataAttr( this[0], key, data );
- }
-
- return data === undefined && parts[1] ?
- this.data( parts[0] ) :
- data;
-
- } else {
- return this.each(function() {
- var self = jQuery( this ),
- args = [ parts[0], value ];
-
- self.triggerHandler( "setData" + parts[1] + "!", args );
- jQuery.data( this, key, value );
- self.triggerHandler( "changeData" + parts[1] + "!", args );
- });
- }
- },
-
- removeData: function( key ) {
- return this.each(function() {
- jQuery.removeData( this, key );
- });
- }
-});
-
-function dataAttr( elem, key, data ) {
- // If nothing was found internally, try to fetch any
- // data from the HTML5 data-* attribute
- if ( data === undefined && elem.nodeType === 1 ) {
-
- var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
-
- data = elem.getAttribute( name );
-
- if ( typeof data === "string" ) {
- try {
- data = data === "true" ? true :
- data === "false" ? false :
- data === "null" ? null :
- jQuery.isNumeric( data ) ? parseFloat( data ) :
- rbrace.test( data ) ? jQuery.parseJSON( data ) :
- data;
- } catch( e ) {}
-
- // Make sure we set the data so it isn't changed later
- jQuery.data( elem, key, data );
-
- } else {
- data = undefined;
- }
- }
-
- return data;
-}
-
-// checks a cache object for emptiness
-function isEmptyDataObject( obj ) {
- for ( var name in obj ) {
-
- // if the public data object is empty, the private is still empty
- if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
- continue;
- }
- if ( name !== "toJSON" ) {
- return false;
- }
- }
-
- return true;
-}
-
-
-
-
-function handleQueueMarkDefer( elem, type, src ) {
- var deferDataKey = type + "defer",
- queueDataKey = type + "queue",
- markDataKey = type + "mark",
- defer = jQuery._data( elem, deferDataKey );
- if ( defer &&
- ( src === "queue" || !jQuery._data(elem, queueDataKey) ) &&
- ( src === "mark" || !jQuery._data(elem, markDataKey) ) ) {
- // Give room for hard-coded callbacks to fire first
- // and eventually mark/queue something else on the element
- setTimeout( function() {
- if ( !jQuery._data( elem, queueDataKey ) &&
- !jQuery._data( elem, markDataKey ) ) {
- jQuery.removeData( elem, deferDataKey, true );
- defer.fire();
- }
- }, 0 );
- }
-}
-
-jQuery.extend({
-
- _mark: function( elem, type ) {
- if ( elem ) {
- type = ( type || "fx" ) + "mark";
- jQuery._data( elem, type, (jQuery._data( elem, type ) || 0) + 1 );
- }
- },
-
- _unmark: function( force, elem, type ) {
- if ( force !== true ) {
- type = elem;
- elem = force;
- force = false;
- }
- if ( elem ) {
- type = type || "fx";
- var key = type + "mark",
- count = force ? 0 : ( (jQuery._data( elem, key ) || 1) - 1 );
- if ( count ) {
- jQuery._data( elem, key, count );
- } else {
- jQuery.removeData( elem, key, true );
- handleQueueMarkDefer( elem, type, "mark" );
- }
- }
- },
-
- queue: function( elem, type, data ) {
- var q;
- if ( elem ) {
- type = ( type || "fx" ) + "queue";
- q = jQuery._data( elem, type );
-
- // Speed up dequeue by getting out quickly if this is just a lookup
- if ( data ) {
- if ( !q || jQuery.isArray(data) ) {
- q = jQuery._data( elem, type, jQuery.makeArray(data) );
- } else {
- q.push( data );
- }
- }
- return q || [];
- }
- },
-
- dequeue: function( elem, type ) {
- type = type || "fx";
-
- var queue = jQuery.queue( elem, type ),
- fn = queue.shift(),
- hooks = {};
-
- // If the fx queue is dequeued, always remove the progress sentinel
- if ( fn === "inprogress" ) {
- fn = queue.shift();
- }
-
- if ( fn ) {
- // Add a progress sentinel to prevent the fx queue from being
- // automatically dequeued
- if ( type === "fx" ) {
- queue.unshift( "inprogress" );
- }
-
- jQuery._data( elem, type + ".run", hooks );
- fn.call( elem, function() {
- jQuery.dequeue( elem, type );
- }, hooks );
- }
-
- if ( !queue.length ) {
- jQuery.removeData( elem, type + "queue " + type + ".run", true );
- handleQueueMarkDefer( elem, type, "queue" );
- }
- }
-});
-
-jQuery.fn.extend({
- queue: function( type, data ) {
- if ( typeof type !== "string" ) {
- data = type;
- type = "fx";
- }
-
- if ( data === undefined ) {
- return jQuery.queue( this[0], type );
- }
- return this.each(function() {
- var queue = jQuery.queue( this, type, data );
-
- if ( type === "fx" && queue[0] !== "inprogress" ) {
- jQuery.dequeue( this, type );
- }
- });
- },
- dequeue: function( type ) {
- return this.each(function() {
- jQuery.dequeue( this, type );
- });
- },
- // Based off of the plugin by Clint Helfers, with permission.
- // http://blindsignals.com/index.php/2009/07/jquery-delay/
- delay: function( time, type ) {
- time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
- type = type || "fx";
-
- return this.queue( type, function( next, hooks ) {
- var timeout = setTimeout( next, time );
- hooks.stop = function() {
- clearTimeout( timeout );
- };
- });
- },
- clearQueue: function( type ) {
- return this.queue( type || "fx", [] );
- },
- // Get a promise resolved when queues of a certain type
- // are emptied (fx is the type by default)
- promise: function( type, object ) {
- if ( typeof type !== "string" ) {
- object = type;
- type = undefined;
- }
- type = type || "fx";
- var defer = jQuery.Deferred(),
- elements = this,
- i = elements.length,
- count = 1,
- deferDataKey = type + "defer",
- queueDataKey = type + "queue",
- markDataKey = type + "mark",
- tmp;
- function resolve() {
- if ( !( --count ) ) {
- defer.resolveWith( elements, [ elements ] );
- }
- }
- while( i-- ) {
- if (( tmp = jQuery.data( elements[ i ], deferDataKey, undefined, true ) ||
- ( jQuery.data( elements[ i ], queueDataKey, undefined, true ) ||
- jQuery.data( elements[ i ], markDataKey, undefined, true ) ) &&
- jQuery.data( elements[ i ], deferDataKey, jQuery.Callbacks( "once memory" ), true ) )) {
- count++;
- tmp.add( resolve );
- }
- }
- resolve();
- return defer.promise();
- }
-});
-
-
-
-
-var rclass = /[\n\t\r]/g,
- rspace = /\s+/,
- rreturn = /\r/g,
- rtype = /^(?:button|input)$/i,
- rfocusable = /^(?:button|input|object|select|textarea)$/i,
- rclickable = /^a(?:rea)?$/i,
- rboolean = /^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i,
- getSetAttribute = jQuery.support.getSetAttribute,
- nodeHook, boolHook, fixSpecified;
-
-jQuery.fn.extend({
- attr: function( name, value ) {
- return jQuery.access( this, name, value, true, jQuery.attr );
- },
-
- removeAttr: function( name ) {
- return this.each(function() {
- jQuery.removeAttr( this, name );
- });
- },
-
- prop: function( name, value ) {
- return jQuery.access( this, name, value, true, jQuery.prop );
- },
-
- removeProp: function( name ) {
- name = jQuery.propFix[ name ] || name;
- return this.each(function() {
- // try/catch handles cases where IE balks (such as removing a property on window)
- try {
- this[ name ] = undefined;
- delete this[ name ];
- } catch( e ) {}
- });
- },
-
- addClass: function( value ) {
- var classNames, i, l, elem,
- setClass, c, cl;
-
- if ( jQuery.isFunction( value ) ) {
- return this.each(function( j ) {
- jQuery( this ).addClass( value.call(this, j, this.className) );
- });
- }
-
- if ( value && typeof value === "string" ) {
- classNames = value.split( rspace );
-
- for ( i = 0, l = this.length; i < l; i++ ) {
- elem = this[ i ];
-
- if ( elem.nodeType === 1 ) {
- if ( !elem.className && classNames.length === 1 ) {
- elem.className = value;
-
- } else {
- setClass = " " + elem.className + " ";
-
- for ( c = 0, cl = classNames.length; c < cl; c++ ) {
- if ( !~setClass.indexOf( " " + classNames[ c ] + " " ) ) {
- setClass += classNames[ c ] + " ";
- }
- }
- elem.className = jQuery.trim( setClass );
- }
- }
- }
- }
-
- return this;
- },
-
- removeClass: function( value ) {
- var classNames, i, l, elem, className, c, cl;
-
- if ( jQuery.isFunction( value ) ) {
- return this.each(function( j ) {
- jQuery( this ).removeClass( value.call(this, j, this.className) );
- });
- }
-
- if ( (value && typeof value === "string") || value === undefined ) {
- classNames = ( value || "" ).split( rspace );
-
- for ( i = 0, l = this.length; i < l; i++ ) {
- elem = this[ i ];
-
- if ( elem.nodeType === 1 && elem.className ) {
- if ( value ) {
- className = (" " + elem.className + " ").replace( rclass, " " );
- for ( c = 0, cl = classNames.length; c < cl; c++ ) {
- className = className.replace(" " + classNames[ c ] + " ", " ");
- }
- elem.className = jQuery.trim( className );
-
- } else {
- elem.className = "";
- }
- }
- }
- }
-
- return this;
- },
-
- toggleClass: function( value, stateVal ) {
- var type = typeof value,
- isBool = typeof stateVal === "boolean";
-
- if ( jQuery.isFunction( value ) ) {
- return this.each(function( i ) {
- jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
- });
- }
-
- return this.each(function() {
- if ( type === "string" ) {
- // toggle individual class names
- var className,
- i = 0,
- self = jQuery( this ),
- state = stateVal,
- classNames = value.split( rspace );
-
- while ( (className = classNames[ i++ ]) ) {
- // check each className given, space seperated list
- state = isBool ? state : !self.hasClass( className );
- self[ state ? "addClass" : "removeClass" ]( className );
- }
-
- } else if ( type === "undefined" || type === "boolean" ) {
- if ( this.className ) {
- // store className if set
- jQuery._data( this, "__className__", this.className );
- }
-
- // toggle whole className
- this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
- }
- });
- },
-
- hasClass: function( selector ) {
- var className = " " + selector + " ",
- i = 0,
- l = this.length;
- for ( ; i < l; i++ ) {
- if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) > -1 ) {
- return true;
- }
- }
-
- return false;
- },
-
- val: function( value ) {
- var hooks, ret, isFunction,
- elem = this[0];
-
- if ( !arguments.length ) {
- if ( elem ) {
- hooks = jQuery.valHooks[ elem.nodeName.toLowerCase() ] || jQuery.valHooks[ elem.type ];
-
- if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
- return ret;
- }
-
- ret = elem.value;
-
- return typeof ret === "string" ?
- // handle most common string cases
- ret.replace(rreturn, "") :
- // handle cases where value is null/undef or number
- ret == null ? "" : ret;
- }
-
- return;
- }
-
- isFunction = jQuery.isFunction( value );
-
- return this.each(function( i ) {
- var self = jQuery(this), val;
-
- if ( this.nodeType !== 1 ) {
- return;
- }
-
- if ( isFunction ) {
- val = value.call( this, i, self.val() );
- } else {
- val = value;
- }
-
- // Treat null/undefined as ""; convert numbers to string
- if ( val == null ) {
- val = "";
- } else if ( typeof val === "number" ) {
- val += "";
- } else if ( jQuery.isArray( val ) ) {
- val = jQuery.map(val, function ( value ) {
- return value == null ? "" : value + "";
- });
- }
-
- hooks = jQuery.valHooks[ this.nodeName.toLowerCase() ] || jQuery.valHooks[ this.type ];
-
- // If set returns undefined, fall back to normal setting
- if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
- this.value = val;
- }
- });
- }
-});
-
-jQuery.extend({
- valHooks: {
- option: {
- get: function( elem ) {
- // attributes.value is undefined in Blackberry 4.7 but
- // uses .value. See #6932
- var val = elem.attributes.value;
- return !val || val.specified ? elem.value : elem.text;
- }
- },
- select: {
- get: function( elem ) {
- var value, i, max, option,
- index = elem.selectedIndex,
- values = [],
- options = elem.options,
- one = elem.type === "select-one";
-
- // Nothing was selected
- if ( index < 0 ) {
- return null;
- }
-
- // Loop through all the selected options
- i = one ? index : 0;
- max = one ? index + 1 : options.length;
- for ( ; i < max; i++ ) {
- option = options[ i ];
-
- // Don't return options that are disabled or in a disabled optgroup
- if ( option.selected && (jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null) &&
- (!option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" )) ) {
-
- // Get the specific value for the option
- value = jQuery( option ).val();
-
- // We don't need an array for one selects
- if ( one ) {
- return value;
- }
-
- // Multi-Selects return an array
- values.push( value );
- }
- }
-
- // Fixes Bug #2551 -- select.val() broken in IE after form.reset()
- if ( one && !values.length && options.length ) {
- return jQuery( options[ index ] ).val();
- }
-
- return values;
- },
-
- set: function( elem, value ) {
- var values = jQuery.makeArray( value );
-
- jQuery(elem).find("option").each(function() {
- this.selected = jQuery.inArray( jQuery(this).val(), values ) >= 0;
- });
-
- if ( !values.length ) {
- elem.selectedIndex = -1;
- }
- return values;
- }
- }
- },
-
- attrFn: {
- val: true,
- css: true,
- html: true,
- text: true,
- data: true,
- width: true,
- height: true,
- offset: true
- },
-
- attr: function( elem, name, value, pass ) {
- var ret, hooks, notxml,
- nType = elem.nodeType;
-
- // don't get/set attributes on text, comment and attribute nodes
- if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
- return;
- }
-
- if ( pass && name in jQuery.attrFn ) {
- return jQuery( elem )[ name ]( value );
- }
-
- // Fallback to prop when attributes are not supported
- if ( typeof elem.getAttribute === "undefined" ) {
- return jQuery.prop( elem, name, value );
- }
-
- notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
-
- // All attributes are lowercase
- // Grab necessary hook if one is defined
- if ( notxml ) {
- name = name.toLowerCase();
- hooks = jQuery.attrHooks[ name ] || ( rboolean.test( name ) ? boolHook : nodeHook );
- }
-
- if ( value !== undefined ) {
-
- if ( value === null ) {
- jQuery.removeAttr( elem, name );
- return;
-
- } else if ( hooks && "set" in hooks && notxml && (ret = hooks.set( elem, value, name )) !== undefined ) {
- return ret;
-
- } else {
- elem.setAttribute( name, "" + value );
- return value;
- }
-
- } else if ( hooks && "get" in hooks && notxml && (ret = hooks.get( elem, name )) !== null ) {
- return ret;
-
- } else {
-
- ret = elem.getAttribute( name );
-
- // Non-existent attributes return null, we normalize to undefined
- return ret === null ?
- undefined :
- ret;
- }
- },
-
- removeAttr: function( elem, value ) {
- var propName, attrNames, name, l,
- i = 0;
-
- if ( value && elem.nodeType === 1 ) {
- attrNames = value.toLowerCase().split( rspace );
- l = attrNames.length;
-
- for ( ; i < l; i++ ) {
- name = attrNames[ i ];
-
- if ( name ) {
- propName = jQuery.propFix[ name ] || name;
-
- // See #9699 for explanation of this approach (setting first, then removal)
- jQuery.attr( elem, name, "" );
- elem.removeAttribute( getSetAttribute ? name : propName );
-
- // Set corresponding property to false for boolean attributes
- if ( rboolean.test( name ) && propName in elem ) {
- elem[ propName ] = false;
- }
- }
- }
- }
- },
-
- attrHooks: {
- type: {
- set: function( elem, value ) {
- // We can't allow the type property to be changed (since it causes problems in IE)
- if ( rtype.test( elem.nodeName ) && elem.parentNode ) {
- jQuery.error( "type property can't be changed" );
- } else if ( !jQuery.support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
- // Setting the type on a radio button after the value resets the value in IE6-9
- // Reset value to it's default in case type is set after value
- // This is for element creation
- var val = elem.value;
- elem.setAttribute( "type", value );
- if ( val ) {
- elem.value = val;
- }
- return value;
- }
- }
- },
- // Use the value property for back compat
- // Use the nodeHook for button elements in IE6/7 (#1954)
- value: {
- get: function( elem, name ) {
- if ( nodeHook && jQuery.nodeName( elem, "button" ) ) {
- return nodeHook.get( elem, name );
- }
- return name in elem ?
- elem.value :
- null;
- },
- set: function( elem, value, name ) {
- if ( nodeHook && jQuery.nodeName( elem, "button" ) ) {
- return nodeHook.set( elem, value, name );
- }
- // Does not return so that setAttribute is also used
- elem.value = value;
- }
- }
- },
-
- propFix: {
- tabindex: "tabIndex",
- readonly: "readOnly",
- "for": "htmlFor",
- "class": "className",
- maxlength: "maxLength",
- cellspacing: "cellSpacing",
- cellpadding: "cellPadding",
- rowspan: "rowSpan",
- colspan: "colSpan",
- usemap: "useMap",
- frameborder: "frameBorder",
- contenteditable: "contentEditable"
- },
-
- prop: function( elem, name, value ) {
- var ret, hooks, notxml,
- nType = elem.nodeType;
-
- // don't get/set properties on text, comment and attribute nodes
- if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
- return;
- }
-
- notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
-
- if ( notxml ) {
- // Fix name and attach hooks
- name = jQuery.propFix[ name ] || name;
- hooks = jQuery.propHooks[ name ];
- }
-
- if ( value !== undefined ) {
- if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
- return ret;
-
- } else {
- return ( elem[ name ] = value );
- }
-
- } else {
- if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
- return ret;
-
- } else {
- return elem[ name ];
- }
- }
- },
-
- propHooks: {
- tabIndex: {
- get: function( elem ) {
- // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
- // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
- var attributeNode = elem.getAttributeNode("tabindex");
-
- return attributeNode && attributeNode.specified ?
- parseInt( attributeNode.value, 10 ) :
- rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
- 0 :
- undefined;
- }
- }
- }
-});
-
-// Add the tabIndex propHook to attrHooks for back-compat (different case is intentional)
-jQuery.attrHooks.tabindex = jQuery.propHooks.tabIndex;
-
-// Hook for boolean attributes
-boolHook = {
- get: function( elem, name ) {
- // Align boolean attributes with corresponding properties
- // Fall back to attribute presence where some booleans are not supported
- var attrNode,
- property = jQuery.prop( elem, name );
- return property === true || typeof property !== "boolean" && ( attrNode = elem.getAttributeNode(name) ) && attrNode.nodeValue !== false ?
- name.toLowerCase() :
- undefined;
- },
- set: function( elem, value, name ) {
- var propName;
- if ( value === false ) {
- // Remove boolean attributes when set to false
- jQuery.removeAttr( elem, name );
- } else {
- // value is true since we know at this point it's type boolean and not false
- // Set boolean attributes to the same name and set the DOM property
- propName = jQuery.propFix[ name ] || name;
- if ( propName in elem ) {
- // Only set the IDL specifically if it already exists on the element
- elem[ propName ] = true;
- }
-
- elem.setAttribute( name, name.toLowerCase() );
- }
- return name;
- }
-};
-
-// IE6/7 do not support getting/setting some attributes with get/setAttribute
-if ( !getSetAttribute ) {
-
- fixSpecified = {
- name: true,
- id: true
- };
-
- // Use this for any attribute in IE6/7
- // This fixes almost every IE6/7 issue
- nodeHook = jQuery.valHooks.button = {
- get: function( elem, name ) {
- var ret;
- ret = elem.getAttributeNode( name );
- return ret && ( fixSpecified[ name ] ? ret.nodeValue !== "" : ret.specified ) ?
- ret.nodeValue :
- undefined;
- },
- set: function( elem, value, name ) {
- // Set the existing or create a new attribute node
- var ret = elem.getAttributeNode( name );
- if ( !ret ) {
- ret = document.createAttribute( name );
- elem.setAttributeNode( ret );
- }
- return ( ret.nodeValue = value + "" );
- }
- };
-
- // Apply the nodeHook to tabindex
- jQuery.attrHooks.tabindex.set = nodeHook.set;
-
- // Set width and height to auto instead of 0 on empty string( Bug #8150 )
- // This is for removals
- jQuery.each([ "width", "height" ], function( i, name ) {
- jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
- set: function( elem, value ) {
- if ( value === "" ) {
- elem.setAttribute( name, "auto" );
- return value;
- }
- }
- });
- });
-
- // Set contenteditable to false on removals(#10429)
- // Setting to empty string throws an error as an invalid value
- jQuery.attrHooks.contenteditable = {
- get: nodeHook.get,
- set: function( elem, value, name ) {
- if ( value === "" ) {
- value = "false";
- }
- nodeHook.set( elem, value, name );
- }
- };
-}
-
-
-// Some attributes require a special call on IE
-if ( !jQuery.support.hrefNormalized ) {
- jQuery.each([ "href", "src", "width", "height" ], function( i, name ) {
- jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
- get: function( elem ) {
- var ret = elem.getAttribute( name, 2 );
- return ret === null ? undefined : ret;
- }
- });
- });
-}
-
-if ( !jQuery.support.style ) {
- jQuery.attrHooks.style = {
- get: function( elem ) {
- // Return undefined in the case of empty string
- // Normalize to lowercase since IE uppercases css property names
- return elem.style.cssText.toLowerCase() || undefined;
- },
- set: function( elem, value ) {
- return ( elem.style.cssText = "" + value );
- }
- };
-}
-
-// Safari mis-reports the default selected property of an option
-// Accessing the parent's selectedIndex property fixes it
-if ( !jQuery.support.optSelected ) {
- jQuery.propHooks.selected = jQuery.extend( jQuery.propHooks.selected, {
- get: function( elem ) {
- var parent = elem.parentNode;
-
- if ( parent ) {
- parent.selectedIndex;
-
- // Make sure that it also works with optgroups, see #5701
- if ( parent.parentNode ) {
- parent.parentNode.selectedIndex;
- }
- }
- return null;
- }
- });
-}
-
-// IE6/7 call enctype encoding
-if ( !jQuery.support.enctype ) {
- jQuery.propFix.enctype = "encoding";
-}
-
-// Radios and checkboxes getter/setter
-if ( !jQuery.support.checkOn ) {
- jQuery.each([ "radio", "checkbox" ], function() {
- jQuery.valHooks[ this ] = {
- get: function( elem ) {
- // Handle the case where in Webkit "" is returned instead of "on" if a value isn't specified
- return elem.getAttribute("value") === null ? "on" : elem.value;
- }
- };
- });
-}
-jQuery.each([ "radio", "checkbox" ], function() {
- jQuery.valHooks[ this ] = jQuery.extend( jQuery.valHooks[ this ], {
- set: function( elem, value ) {
- if ( jQuery.isArray( value ) ) {
- return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
- }
- }
- });
-});
-
-
-
-
-var rformElems = /^(?:textarea|input|select)$/i,
- rtypenamespace = /^([^\.]*)?(?:\.(.+))?$/,
- rhoverHack = /\bhover(\.\S+)?\b/,
- rkeyEvent = /^key/,
- rmouseEvent = /^(?:mouse|contextmenu)|click/,
- rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
- rquickIs = /^(\w*)(?:#([\w\-]+))?(?:\.([\w\-]+))?$/,
- quickParse = function( selector ) {
- var quick = rquickIs.exec( selector );
- if ( quick ) {
- // 0 1 2 3
- // [ _, tag, id, class ]
- quick[1] = ( quick[1] || "" ).toLowerCase();
- quick[3] = quick[3] && new RegExp( "(?:^|\\s)" + quick[3] + "(?:\\s|$)" );
- }
- return quick;
- },
- quickIs = function( elem, m ) {
- var attrs = elem.attributes || {};
- return (
- (!m[1] || elem.nodeName.toLowerCase() === m[1]) &&
- (!m[2] || (attrs.id || {}).value === m[2]) &&
- (!m[3] || m[3].test( (attrs[ "class" ] || {}).value ))
- );
- },
- hoverHack = function( events ) {
- return jQuery.event.special.hover ? events : events.replace( rhoverHack, "mouseenter$1 mouseleave$1" );
- };
-
-/*
- * Helper functions for managing events -- not part of the public interface.
- * Props to Dean Edwards' addEvent library for many of the ideas.
- */
-jQuery.event = {
-
- add: function( elem, types, handler, data, selector ) {
-
- var elemData, eventHandle, events,
- t, tns, type, namespaces, handleObj,
- handleObjIn, quick, handlers, special;
-
- // Don't attach events to noData or text/comment nodes (allow plain objects tho)
- if ( elem.nodeType === 3 || elem.nodeType === 8 || !types || !handler || !(elemData = jQuery._data( elem )) ) {
- return;
- }
-
- // Caller can pass in an object of custom data in lieu of the handler
- if ( handler.handler ) {
- handleObjIn = handler;
- handler = handleObjIn.handler;
- }
-
- // Make sure that the handler has a unique ID, used to find/remove it later
- if ( !handler.guid ) {
- handler.guid = jQuery.guid++;
- }
-
- // Init the element's event structure and main handler, if this is the first
- events = elemData.events;
- if ( !events ) {
- elemData.events = events = {};
- }
- eventHandle = elemData.handle;
- if ( !eventHandle ) {
- elemData.handle = eventHandle = function( e ) {
- // Discard the second event of a jQuery.event.trigger() and
- // when an event is called after a page has unloaded
- return typeof jQuery !== "undefined" && (!e || jQuery.event.triggered !== e.type) ?
- jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
- undefined;
- };
- // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
- eventHandle.elem = elem;
- }
-
- // Handle multiple events separated by a space
- // jQuery(...).bind("mouseover mouseout", fn);
- types = jQuery.trim( hoverHack(types) ).split( " " );
- for ( t = 0; t < types.length; t++ ) {
-
- tns = rtypenamespace.exec( types[t] ) || [];
- type = tns[1];
- namespaces = ( tns[2] || "" ).split( "." ).sort();
-
- // If event changes its type, use the special event handlers for the changed type
- special = jQuery.event.special[ type ] || {};
-
- // If selector defined, determine special event api type, otherwise given type
- type = ( selector ? special.delegateType : special.bindType ) || type;
-
- // Update special based on newly reset type
- special = jQuery.event.special[ type ] || {};
-
- // handleObj is passed to all event handlers
- handleObj = jQuery.extend({
- type: type,
- origType: tns[1],
- data: data,
- handler: handler,
- guid: handler.guid,
- selector: selector,
- quick: quickParse( selector ),
- namespace: namespaces.join(".")
- }, handleObjIn );
-
- // Init the event handler queue if we're the first
- handlers = events[ type ];
- if ( !handlers ) {
- handlers = events[ type ] = [];
- handlers.delegateCount = 0;
-
- // Only use addEventListener/attachEvent if the special events handler returns false
- if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
- // Bind the global event handler to the element
- if ( elem.addEventListener ) {
- elem.addEventListener( type, eventHandle, false );
-
- } else if ( elem.attachEvent ) {
- elem.attachEvent( "on" + type, eventHandle );
- }
- }
- }
-
- if ( special.add ) {
- special.add.call( elem, handleObj );
-
- if ( !handleObj.handler.guid ) {
- handleObj.handler.guid = handler.guid;
- }
- }
-
- // Add to the element's handler list, delegates in front
- if ( selector ) {
- handlers.splice( handlers.delegateCount++, 0, handleObj );
- } else {
- handlers.push( handleObj );
- }
-
- // Keep track of which events have ever been used, for event optimization
- jQuery.event.global[ type ] = true;
- }
-
- // Nullify elem to prevent memory leaks in IE
- elem = null;
- },
-
- global: {},
-
- // Detach an event or set of events from an element
- remove: function( elem, types, handler, selector, mappedTypes ) {
-
- var elemData = jQuery.hasData( elem ) && jQuery._data( elem ),
- t, tns, type, origType, namespaces, origCount,
- j, events, special, handle, eventType, handleObj;
-
- if ( !elemData || !(events = elemData.events) ) {
- return;
- }
-
- // Once for each type.namespace in types; type may be omitted
- types = jQuery.trim( hoverHack( types || "" ) ).split(" ");
- for ( t = 0; t < types.length; t++ ) {
- tns = rtypenamespace.exec( types[t] ) || [];
- type = origType = tns[1];
- namespaces = tns[2];
-
- // Unbind all events (on this namespace, if provided) for the element
- if ( !type ) {
- for ( type in events ) {
- jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
- }
- continue;
- }
-
- special = jQuery.event.special[ type ] || {};
- type = ( selector? special.delegateType : special.bindType ) || type;
- eventType = events[ type ] || [];
- origCount = eventType.length;
- namespaces = namespaces ? new RegExp("(^|\\.)" + namespaces.split(".").sort().join("\\.(?:.*\\.)?") + "(\\.|$)") : null;
-
- // Remove matching events
- for ( j = 0; j < eventType.length; j++ ) {
- handleObj = eventType[ j ];
-
- if ( ( mappedTypes || origType === handleObj.origType ) &&
- ( !handler || handler.guid === handleObj.guid ) &&
- ( !namespaces || namespaces.test( handleObj.namespace ) ) &&
- ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
- eventType.splice( j--, 1 );
-
- if ( handleObj.selector ) {
- eventType.delegateCount--;
- }
- if ( special.remove ) {
- special.remove.call( elem, handleObj );
- }
- }
- }
-
- // Remove generic event handler if we removed something and no more handlers exist
- // (avoids potential for endless recursion during removal of special event handlers)
- if ( eventType.length === 0 && origCount !== eventType.length ) {
- if ( !special.teardown || special.teardown.call( elem, namespaces ) === false ) {
- jQuery.removeEvent( elem, type, elemData.handle );
- }
-
- delete events[ type ];
- }
- }
-
- // Remove the expando if it's no longer used
- if ( jQuery.isEmptyObject( events ) ) {
- handle = elemData.handle;
- if ( handle ) {
- handle.elem = null;
- }
-
- // removeData also checks for emptiness and clears the expando if empty
- // so use it instead of delete
- jQuery.removeData( elem, [ "events", "handle" ], true );
- }
- },
-
- // Events that are safe to short-circuit if no handlers are attached.
- // Native DOM events should not be added, they may have inline handlers.
- customEvent: {
- "getData": true,
- "setData": true,
- "changeData": true
- },
-
- trigger: function( event, data, elem, onlyHandlers ) {
- // Don't do events on text and comment nodes
- if ( elem && (elem.nodeType === 3 || elem.nodeType === 8) ) {
- return;
- }
-
- // Event object or event type
- var type = event.type || event,
- namespaces = [],
- cache, exclusive, i, cur, old, ontype, special, handle, eventPath, bubbleType;
-
- // focus/blur morphs to focusin/out; ensure we're not firing them right now
- if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
- return;
- }
-
- if ( type.indexOf( "!" ) >= 0 ) {
- // Exclusive events trigger only for the exact event (no namespaces)
- type = type.slice(0, -1);
- exclusive = true;
- }
-
- if ( type.indexOf( "." ) >= 0 ) {
- // Namespaced trigger; create a regexp to match event type in handle()
- namespaces = type.split(".");
- type = namespaces.shift();
- namespaces.sort();
- }
-
- if ( (!elem || jQuery.event.customEvent[ type ]) && !jQuery.event.global[ type ] ) {
- // No jQuery handlers for this event type, and it can't have inline handlers
- return;
- }
-
- // Caller can pass in an Event, Object, or just an event type string
- event = typeof event === "object" ?
- // jQuery.Event object
- event[ jQuery.expando ] ? event :
- // Object literal
- new jQuery.Event( type, event ) :
- // Just the event type (string)
- new jQuery.Event( type );
-
- event.type = type;
- event.isTrigger = true;
- event.exclusive = exclusive;
- event.namespace = namespaces.join( "." );
- event.namespace_re = event.namespace? new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.)?") + "(\\.|$)") : null;
- ontype = type.indexOf( ":" ) < 0 ? "on" + type : "";
-
- // Handle a global trigger
- if ( !elem ) {
-
- // TODO: Stop taunting the data cache; remove global events and always attach to document
- cache = jQuery.cache;
- for ( i in cache ) {
- if ( cache[ i ].events && cache[ i ].events[ type ] ) {
- jQuery.event.trigger( event, data, cache[ i ].handle.elem, true );
- }
- }
- return;
- }
-
- // Clean up the event in case it is being reused
- event.result = undefined;
- if ( !event.target ) {
- event.target = elem;
- }
-
- // Clone any incoming data and prepend the event, creating the handler arg list
- data = data != null ? jQuery.makeArray( data ) : [];
- data.unshift( event );
-
- // Allow special events to draw outside the lines
- special = jQuery.event.special[ type ] || {};
- if ( special.trigger && special.trigger.apply( elem, data ) === false ) {
- return;
- }
-
- // Determine event propagation path in advance, per W3C events spec (#9951)
- // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
- eventPath = [[ elem, special.bindType || type ]];
- if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
-
- bubbleType = special.delegateType || type;
- cur = rfocusMorph.test( bubbleType + type ) ? elem : elem.parentNode;
- old = null;
- for ( ; cur; cur = cur.parentNode ) {
- eventPath.push([ cur, bubbleType ]);
- old = cur;
- }
-
- // Only add window if we got to document (e.g., not plain obj or detached DOM)
- if ( old && old === elem.ownerDocument ) {
- eventPath.push([ old.defaultView || old.parentWindow || window, bubbleType ]);
- }
- }
-
- // Fire handlers on the event path
- for ( i = 0; i < eventPath.length && !event.isPropagationStopped(); i++ ) {
-
- cur = eventPath[i][0];
- event.type = eventPath[i][1];
-
- handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
- if ( handle ) {
- handle.apply( cur, data );
- }
- // Note that this is a bare JS function and not a jQuery handler
- handle = ontype && cur[ ontype ];
- if ( handle && jQuery.acceptData( cur ) && handle.apply( cur, data ) === false ) {
- event.preventDefault();
- }
- }
- event.type = type;
-
- // If nobody prevented the default action, do it now
- if ( !onlyHandlers && !event.isDefaultPrevented() ) {
-
- if ( (!special._default || special._default.apply( elem.ownerDocument, data ) === false) &&
- !(type === "click" && jQuery.nodeName( elem, "a" )) && jQuery.acceptData( elem ) ) {
-
- // Call a native DOM method on the target with the same name name as the event.
- // Can't use an .isFunction() check here because IE6/7 fails that test.
- // Don't do default actions on window, that's where global variables be (#6170)
- // IE<9 dies on focus/blur to hidden element (#1486)
- if ( ontype && elem[ type ] && ((type !== "focus" && type !== "blur") || event.target.offsetWidth !== 0) && !jQuery.isWindow( elem ) ) {
-
- // Don't re-trigger an onFOO event when we call its FOO() method
- old = elem[ ontype ];
-
- if ( old ) {
- elem[ ontype ] = null;
- }
-
- // Prevent re-triggering of the same event, since we already bubbled it above
- jQuery.event.triggered = type;
- elem[ type ]();
- jQuery.event.triggered = undefined;
-
- if ( old ) {
- elem[ ontype ] = old;
- }
- }
- }
- }
-
- return event.result;
- },
-
- dispatch: function( event ) {
-
- // Make a writable jQuery.Event from the native event object
- event = jQuery.event.fix( event || window.event );
-
- var handlers = ( (jQuery._data( this, "events" ) || {} )[ event.type ] || []),
- delegateCount = handlers.delegateCount,
- args = [].slice.call( arguments, 0 ),
- run_all = !event.exclusive && !event.namespace,
- handlerQueue = [],
- i, j, cur, jqcur, ret, selMatch, matched, matches, handleObj, sel, related;
-
- // Use the fix-ed jQuery.Event rather than the (read-only) native event
- args[0] = event;
- event.delegateTarget = this;
-
- // Determine handlers that should run if there are delegated events
- // Avoid disabled elements in IE (#6911) and non-left-click bubbling in Firefox (#3861)
- if ( delegateCount && !event.target.disabled && !(event.button && event.type === "click") ) {
-
- // Pregenerate a single jQuery object for reuse with .is()
- jqcur = jQuery(this);
- jqcur.context = this.ownerDocument || this;
-
- for ( cur = event.target; cur != this; cur = cur.parentNode || this ) {
- selMatch = {};
- matches = [];
- jqcur[0] = cur;
- for ( i = 0; i < delegateCount; i++ ) {
- handleObj = handlers[ i ];
- sel = handleObj.selector;
-
- if ( selMatch[ sel ] === undefined ) {
- selMatch[ sel ] = (
- handleObj.quick ? quickIs( cur, handleObj.quick ) : jqcur.is( sel )
- );
- }
- if ( selMatch[ sel ] ) {
- matches.push( handleObj );
- }
- }
- if ( matches.length ) {
- handlerQueue.push({ elem: cur, matches: matches });
- }
- }
- }
-
- // Add the remaining (directly-bound) handlers
- if ( handlers.length > delegateCount ) {
- handlerQueue.push({ elem: this, matches: handlers.slice( delegateCount ) });
- }
-
- // Run delegates first; they may want to stop propagation beneath us
- for ( i = 0; i < handlerQueue.length && !event.isPropagationStopped(); i++ ) {
- matched = handlerQueue[ i ];
- event.currentTarget = matched.elem;
-
- for ( j = 0; j < matched.matches.length && !event.isImmediatePropagationStopped(); j++ ) {
- handleObj = matched.matches[ j ];
-
- // Triggered event must either 1) be non-exclusive and have no namespace, or
- // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
- if ( run_all || (!event.namespace && !handleObj.namespace) || event.namespace_re && event.namespace_re.test( handleObj.namespace ) ) {
-
- event.data = handleObj.data;
- event.handleObj = handleObj;
-
- ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
- .apply( matched.elem, args );
-
- if ( ret !== undefined ) {
- event.result = ret;
- if ( ret === false ) {
- event.preventDefault();
- event.stopPropagation();
- }
- }
- }
- }
- }
-
- return event.result;
- },
-
- // Includes some event props shared by KeyEvent and MouseEvent
- // *** attrChange attrName relatedNode srcElement are not normalized, non-W3C, deprecated, will be removed in 1.8 ***
- props: "attrChange attrName relatedNode srcElement altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
-
- fixHooks: {},
-
- keyHooks: {
- props: "char charCode key keyCode".split(" "),
- filter: function( event, original ) {
-
- // Add which for key events
- if ( event.which == null ) {
- event.which = original.charCode != null ? original.charCode : original.keyCode;
- }
-
- return event;
- }
- },
-
- mouseHooks: {
- props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
- filter: function( event, original ) {
- var eventDoc, doc, body,
- button = original.button,
- fromElement = original.fromElement;
-
- // Calculate pageX/Y if missing and clientX/Y available
- if ( event.pageX == null && original.clientX != null ) {
- eventDoc = event.target.ownerDocument || document;
- doc = eventDoc.documentElement;
- body = eventDoc.body;
-
- event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
- event.pageY = original.clientY + ( doc && doc.scrollTop || body && body.scrollTop || 0 ) - ( doc && doc.clientTop || body && body.clientTop || 0 );
- }
-
- // Add relatedTarget, if necessary
- if ( !event.relatedTarget && fromElement ) {
- event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
- }
-
- // Add which for click: 1 === left; 2 === middle; 3 === right
- // Note: button is not normalized, so don't use it
- if ( !event.which && button !== undefined ) {
- event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
- }
-
- return event;
- }
- },
-
- fix: function( event ) {
- if ( event[ jQuery.expando ] ) {
- return event;
- }
-
- // Create a writable copy of the event object and normalize some properties
- var i, prop,
- originalEvent = event,
- fixHook = jQuery.event.fixHooks[ event.type ] || {},
- copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
-
- event = jQuery.Event( originalEvent );
-
- for ( i = copy.length; i; ) {
- prop = copy[ --i ];
- event[ prop ] = originalEvent[ prop ];
- }
-
- // Fix target property, if necessary (#1925, IE 6/7/8 & Safari2)
- if ( !event.target ) {
- event.target = originalEvent.srcElement || document;
- }
-
- // Target should not be a text node (#504, Safari)
- if ( event.target.nodeType === 3 ) {
- event.target = event.target.parentNode;
- }
-
- // For mouse/key events; add metaKey if it's not there (#3368, IE6/7/8)
- if ( event.metaKey === undefined ) {
- event.metaKey = event.ctrlKey;
- }
-
- return fixHook.filter? fixHook.filter( event, originalEvent ) : event;
- },
-
- special: {
- ready: {
- // Make sure the ready event is setup
- setup: jQuery.bindReady
- },
-
- load: {
- // Prevent triggered image.load events from bubbling to window.load
- noBubble: true
- },
-
- focus: {
- delegateType: "focusin"
- },
- blur: {
- delegateType: "focusout"
- },
-
- beforeunload: {
- setup: function( data, namespaces, eventHandle ) {
- // We only want to do this special case on windows
- if ( jQuery.isWindow( this ) ) {
- this.onbeforeunload = eventHandle;
- }
- },
-
- teardown: function( namespaces, eventHandle ) {
- if ( this.onbeforeunload === eventHandle ) {
- this.onbeforeunload = null;
- }
- }
- }
- },
-
- simulate: function( type, elem, event, bubble ) {
- // Piggyback on a donor event to simulate a different one.
- // Fake originalEvent to avoid donor's stopPropagation, but if the
- // simulated event prevents default then we do the same on the donor.
- var e = jQuery.extend(
- new jQuery.Event(),
- event,
- { type: type,
- isSimulated: true,
- originalEvent: {}
- }
- );
- if ( bubble ) {
- jQuery.event.trigger( e, null, elem );
- } else {
- jQuery.event.dispatch.call( elem, e );
- }
- if ( e.isDefaultPrevented() ) {
- event.preventDefault();
- }
- }
-};
-
-// Some plugins are using, but it's undocumented/deprecated and will be removed.
-// The 1.7 special event interface should provide all the hooks needed now.
-jQuery.event.handle = jQuery.event.dispatch;
-
-jQuery.removeEvent = document.removeEventListener ?
- function( elem, type, handle ) {
- if ( elem.removeEventListener ) {
- elem.removeEventListener( type, handle, false );
- }
- } :
- function( elem, type, handle ) {
- if ( elem.detachEvent ) {
- elem.detachEvent( "on" + type, handle );
- }
- };
-
-jQuery.Event = function( src, props ) {
- // Allow instantiation without the 'new' keyword
- if ( !(this instanceof jQuery.Event) ) {
- return new jQuery.Event( src, props );
- }
-
- // Event object
- if ( src && src.type ) {
- this.originalEvent = src;
- this.type = src.type;
-
- // Events bubbling up the document may have been marked as prevented
- // by a handler lower down the tree; reflect the correct value.
- this.isDefaultPrevented = ( src.defaultPrevented || src.returnValue === false ||
- src.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse;
-
- // Event type
- } else {
- this.type = src;
- }
-
- // Put explicitly provided properties onto the event object
- if ( props ) {
- jQuery.extend( this, props );
- }
-
- // Create a timestamp if incoming event doesn't have one
- this.timeStamp = src && src.timeStamp || jQuery.now();
-
- // Mark it as fixed
- this[ jQuery.expando ] = true;
-};
-
-function returnFalse() {
- return false;
-}
-function returnTrue() {
- return true;
-}
-
-// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
-// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
-jQuery.Event.prototype = {
- preventDefault: function() {
- this.isDefaultPrevented = returnTrue;
-
- var e = this.originalEvent;
- if ( !e ) {
- return;
- }
-
- // if preventDefault exists run it on the original event
- if ( e.preventDefault ) {
- e.preventDefault();
-
- // otherwise set the returnValue property of the original event to false (IE)
- } else {
- e.returnValue = false;
- }
- },
- stopPropagation: function() {
- this.isPropagationStopped = returnTrue;
-
- var e = this.originalEvent;
- if ( !e ) {
- return;
- }
- // if stopPropagation exists run it on the original event
- if ( e.stopPropagation ) {
- e.stopPropagation();
- }
- // otherwise set the cancelBubble property of the original event to true (IE)
- e.cancelBubble = true;
- },
- stopImmediatePropagation: function() {
- this.isImmediatePropagationStopped = returnTrue;
- this.stopPropagation();
- },
- isDefaultPrevented: returnFalse,
- isPropagationStopped: returnFalse,
- isImmediatePropagationStopped: returnFalse
-};
-
-// Create mouseenter/leave events using mouseover/out and event-time checks
-jQuery.each({
- mouseenter: "mouseover",
- mouseleave: "mouseout"
-}, function( orig, fix ) {
- jQuery.event.special[ orig ] = {
- delegateType: fix,
- bindType: fix,
-
- handle: function( event ) {
- var target = this,
- related = event.relatedTarget,
- handleObj = event.handleObj,
- selector = handleObj.selector,
- ret;
-
- // For mousenter/leave call the handler if related is outside the target.
- // NB: No relatedTarget if the mouse left/entered the browser window
- if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
- event.type = handleObj.origType;
- ret = handleObj.handler.apply( this, arguments );
- event.type = fix;
- }
- return ret;
- }
- };
-});
-
-// IE submit delegation
-if ( !jQuery.support.submitBubbles ) {
-
- jQuery.event.special.submit = {
- setup: function() {
- // Only need this for delegated form submit events
- if ( jQuery.nodeName( this, "form" ) ) {
- return false;
- }
-
- // Lazy-add a submit handler when a descendant form may potentially be submitted
- jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
- // Node name check avoids a VML-related crash in IE (#9807)
- var elem = e.target,
- form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
- if ( form && !form._submit_attached ) {
- jQuery.event.add( form, "submit._submit", function( event ) {
- // If form was submitted by the user, bubble the event up the tree
- if ( this.parentNode && !event.isTrigger ) {
- jQuery.event.simulate( "submit", this.parentNode, event, true );
- }
- });
- form._submit_attached = true;
- }
- });
- // return undefined since we don't need an event listener
- },
-
- teardown: function() {
- // Only need this for delegated form submit events
- if ( jQuery.nodeName( this, "form" ) ) {
- return false;
- }
-
- // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
- jQuery.event.remove( this, "._submit" );
- }
- };
-}
-
-// IE change delegation and checkbox/radio fix
-if ( !jQuery.support.changeBubbles ) {
-
- jQuery.event.special.change = {
-
- setup: function() {
-
- if ( rformElems.test( this.nodeName ) ) {
- // IE doesn't fire change on a check/radio until blur; trigger it on click
- // after a propertychange. Eat the blur-change in special.change.handle.
- // This still fires onchange a second time for check/radio after blur.
- if ( this.type === "checkbox" || this.type === "radio" ) {
- jQuery.event.add( this, "propertychange._change", function( event ) {
- if ( event.originalEvent.propertyName === "checked" ) {
- this._just_changed = true;
- }
- });
- jQuery.event.add( this, "click._change", function( event ) {
- if ( this._just_changed && !event.isTrigger ) {
- this._just_changed = false;
- jQuery.event.simulate( "change", this, event, true );
- }
- });
- }
- return false;
- }
- // Delegated event; lazy-add a change handler on descendant inputs
- jQuery.event.add( this, "beforeactivate._change", function( e ) {
- var elem = e.target;
-
- if ( rformElems.test( elem.nodeName ) && !elem._change_attached ) {
- jQuery.event.add( elem, "change._change", function( event ) {
- if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
- jQuery.event.simulate( "change", this.parentNode, event, true );
- }
- });
- elem._change_attached = true;
- }
- });
- },
-
- handle: function( event ) {
- var elem = event.target;
-
- // Swallow native change events from checkbox/radio, we already triggered them above
- if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
- return event.handleObj.handler.apply( this, arguments );
- }
- },
-
- teardown: function() {
- jQuery.event.remove( this, "._change" );
-
- return rformElems.test( this.nodeName );
- }
- };
-}
-
-// Create "bubbling" focus and blur events
-if ( !jQuery.support.focusinBubbles ) {
- jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
-
- // Attach a single capturing handler while someone wants focusin/focusout
- var attaches = 0,
- handler = function( event ) {
- jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
- };
-
- jQuery.event.special[ fix ] = {
- setup: function() {
- if ( attaches++ === 0 ) {
- document.addEventListener( orig, handler, true );
- }
- },
- teardown: function() {
- if ( --attaches === 0 ) {
- document.removeEventListener( orig, handler, true );
- }
- }
- };
- });
-}
-
-jQuery.fn.extend({
-
- on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
- var origFn, type;
-
- // Types can be a map of types/handlers
- if ( typeof types === "object" ) {
- // ( types-Object, selector, data )
- if ( typeof selector !== "string" ) {
- // ( types-Object, data )
- data = selector;
- selector = undefined;
- }
- for ( type in types ) {
- this.on( type, selector, data, types[ type ], one );
- }
- return this;
- }
-
- if ( data == null && fn == null ) {
- // ( types, fn )
- fn = selector;
- data = selector = undefined;
- } else if ( fn == null ) {
- if ( typeof selector === "string" ) {
- // ( types, selector, fn )
- fn = data;
- data = undefined;
- } else {
- // ( types, data, fn )
- fn = data;
- data = selector;
- selector = undefined;
- }
- }
- if ( fn === false ) {
- fn = returnFalse;
- } else if ( !fn ) {
- return this;
- }
-
- if ( one === 1 ) {
- origFn = fn;
- fn = function( event ) {
- // Can use an empty set, since event contains the info
- jQuery().off( event );
- return origFn.apply( this, arguments );
- };
- // Use same guid so caller can remove using origFn
- fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
- }
- return this.each( function() {
- jQuery.event.add( this, types, fn, data, selector );
- });
- },
- one: function( types, selector, data, fn ) {
- return this.on.call( this, types, selector, data, fn, 1 );
- },
- off: function( types, selector, fn ) {
- if ( types && types.preventDefault && types.handleObj ) {
- // ( event ) dispatched jQuery.Event
- var handleObj = types.handleObj;
- jQuery( types.delegateTarget ).off(
- handleObj.namespace? handleObj.type + "." + handleObj.namespace : handleObj.type,
- handleObj.selector,
- handleObj.handler
- );
- return this;
- }
- if ( typeof types === "object" ) {
- // ( types-object [, selector] )
- for ( var type in types ) {
- this.off( type, selector, types[ type ] );
- }
- return this;
- }
- if ( selector === false || typeof selector === "function" ) {
- // ( types [, fn] )
- fn = selector;
- selector = undefined;
- }
- if ( fn === false ) {
- fn = returnFalse;
- }
- return this.each(function() {
- jQuery.event.remove( this, types, fn, selector );
- });
- },
-
- bind: function( types, data, fn ) {
- return this.on( types, null, data, fn );
- },
- unbind: function( types, fn ) {
- return this.off( types, null, fn );
- },
-
- live: function( types, data, fn ) {
- jQuery( this.context ).on( types, this.selector, data, fn );
- return this;
- },
- die: function( types, fn ) {
- jQuery( this.context ).off( types, this.selector || "**", fn );
- return this;
- },
-
- delegate: function( selector, types, data, fn ) {
- return this.on( types, selector, data, fn );
- },
- undelegate: function( selector, types, fn ) {
- // ( namespace ) or ( selector, types [, fn] )
- return arguments.length == 1? this.off( selector, "**" ) : this.off( types, selector, fn );
- },
-
- trigger: function( type, data ) {
- return this.each(function() {
- jQuery.event.trigger( type, data, this );
- });
- },
- triggerHandler: function( type, data ) {
- if ( this[0] ) {
- return jQuery.event.trigger( type, data, this[0], true );
- }
- },
-
- toggle: function( fn ) {
- // Save reference to arguments for access in closure
- var args = arguments,
- guid = fn.guid || jQuery.guid++,
- i = 0,
- toggler = function( event ) {
- // Figure out which function to execute
- var lastToggle = ( jQuery._data( this, "lastToggle" + fn.guid ) || 0 ) % i;
- jQuery._data( this, "lastToggle" + fn.guid, lastToggle + 1 );
-
- // Make sure that clicks stop
- event.preventDefault();
-
- // and execute the function
- return args[ lastToggle ].apply( this, arguments ) || false;
- };
-
- // link all the functions, so any of them can unbind this click handler
- toggler.guid = guid;
- while ( i < args.length ) {
- args[ i++ ].guid = guid;
- }
-
- return this.click( toggler );
- },
-
- hover: function( fnOver, fnOut ) {
- return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
- }
-});
-
-jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
- "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
- "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
-
- // Handle event binding
- jQuery.fn[ name ] = function( data, fn ) {
- if ( fn == null ) {
- fn = data;
- data = null;
- }
-
- return arguments.length > 0 ?
- this.on( name, null, data, fn ) :
- this.trigger( name );
- };
-
- if ( jQuery.attrFn ) {
- jQuery.attrFn[ name ] = true;
- }
-
- if ( rkeyEvent.test( name ) ) {
- jQuery.event.fixHooks[ name ] = jQuery.event.keyHooks;
- }
-
- if ( rmouseEvent.test( name ) ) {
- jQuery.event.fixHooks[ name ] = jQuery.event.mouseHooks;
- }
-});
-
-
-
-/*!
- * Sizzle CSS Selector Engine
- * Copyright 2012, The Dojo Foundation
- * Released under the MIT, BSD, and GPL Licenses.
- * More information: http://sizzlejs.com/
- */
-(function(){
-
-var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^\[\]]*\]|['"][^'"]*['"]|[^\[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
- expando = "sizcache" + (Math.random() + '').replace('.', ''),
- done = 0,
- toString = Object.prototype.toString,
- hasDuplicate = false,
- baseHasDuplicate = true,
- rBackslash = /\\/g,
- rReturn = /\r\n/g,
- rNonWord = /\W/;
-
-// Here we check if the JavaScript engine is using some sort of
-// optimization where it does not always call our comparision
-// function. If that is the case, discard the hasDuplicate value.
-// Thus far that includes Google Chrome.
-[0, 0].sort(function() {
- baseHasDuplicate = false;
- return 0;
-});
-
-var Sizzle = function( selector, context, results, seed ) {
- results = results || [];
- context = context || document;
-
- var origContext = context;
-
- if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
- return [];
- }
-
- if ( !selector || typeof selector !== "string" ) {
- return results;
- }
-
- var m, set, checkSet, extra, ret, cur, pop, i,
- prune = true,
- contextXML = Sizzle.isXML( context ),
- parts = [],
- soFar = selector;
-
- // Reset the position of the chunker regexp (start from head)
- do {
- chunker.exec( "" );
- m = chunker.exec( soFar );
-
- if ( m ) {
- soFar = m[3];
-
- parts.push( m[1] );
-
- if ( m[2] ) {
- extra = m[3];
- break;
- }
- }
- } while ( m );
-
- if ( parts.length > 1 && origPOS.exec( selector ) ) {
-
- if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
- set = posProcess( parts[0] + parts[1], context, seed );
-
- } else {
- set = Expr.relative[ parts[0] ] ?
- [ context ] :
- Sizzle( parts.shift(), context );
-
- while ( parts.length ) {
- selector = parts.shift();
-
- if ( Expr.relative[ selector ] ) {
- selector += parts.shift();
- }
-
- set = posProcess( selector, set, seed );
- }
- }
-
- } else {
- // Take a shortcut and set the context if the root selector is an ID
- // (but not if it'll be faster if the inner selector is an ID)
- if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML &&
- Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) {
-
- ret = Sizzle.find( parts.shift(), context, contextXML );
- context = ret.expr ?
- Sizzle.filter( ret.expr, ret.set )[0] :
- ret.set[0];
- }
-
- if ( context ) {
- ret = seed ?
- { expr: parts.pop(), set: makeArray(seed) } :
- Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML );
-
- set = ret.expr ?
- Sizzle.filter( ret.expr, ret.set ) :
- ret.set;
-
- if ( parts.length > 0 ) {
- checkSet = makeArray( set );
-
- } else {
- prune = false;
- }
-
- while ( parts.length ) {
- cur = parts.pop();
- pop = cur;
-
- if ( !Expr.relative[ cur ] ) {
- cur = "";
- } else {
- pop = parts.pop();
- }
-
- if ( pop == null ) {
- pop = context;
- }
-
- Expr.relative[ cur ]( checkSet, pop, contextXML );
- }
-
- } else {
- checkSet = parts = [];
- }
- }
-
- if ( !checkSet ) {
- checkSet = set;
- }
-
- if ( !checkSet ) {
- Sizzle.error( cur || selector );
- }
-
- if ( toString.call(checkSet) === "[object Array]" ) {
- if ( !prune ) {
- results.push.apply( results, checkSet );
-
- } else if ( context && context.nodeType === 1 ) {
- for ( i = 0; checkSet[i] != null; i++ ) {
- if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && Sizzle.contains(context, checkSet[i])) ) {
- results.push( set[i] );
- }
- }
-
- } else {
- for ( i = 0; checkSet[i] != null; i++ ) {
- if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
- results.push( set[i] );
- }
- }
- }
-
- } else {
- makeArray( checkSet, results );
- }
-
- if ( extra ) {
- Sizzle( extra, origContext, results, seed );
- Sizzle.uniqueSort( results );
- }
-
- return results;
-};
-
-Sizzle.uniqueSort = function( results ) {
- if ( sortOrder ) {
- hasDuplicate = baseHasDuplicate;
- results.sort( sortOrder );
-
- if ( hasDuplicate ) {
- for ( var i = 1; i < results.length; i++ ) {
- if ( results[i] === results[ i - 1 ] ) {
- results.splice( i--, 1 );
- }
- }
- }
- }
-
- return results;
-};
-
-Sizzle.matches = function( expr, set ) {
- return Sizzle( expr, null, null, set );
-};
-
-Sizzle.matchesSelector = function( node, expr ) {
- return Sizzle( expr, null, null, [node] ).length > 0;
-};
-
-Sizzle.find = function( expr, context, isXML ) {
- var set, i, len, match, type, left;
-
- if ( !expr ) {
- return [];
- }
-
- for ( i = 0, len = Expr.order.length; i < len; i++ ) {
- type = Expr.order[i];
-
- if ( (match = Expr.leftMatch[ type ].exec( expr )) ) {
- left = match[1];
- match.splice( 1, 1 );
-
- if ( left.substr( left.length - 1 ) !== "\\" ) {
- match[1] = (match[1] || "").replace( rBackslash, "" );
- set = Expr.find[ type ]( match, context, isXML );
-
- if ( set != null ) {
- expr = expr.replace( Expr.match[ type ], "" );
- break;
- }
- }
- }
- }
-
- if ( !set ) {
- set = typeof context.getElementsByTagName !== "undefined" ?
- context.getElementsByTagName( "*" ) :
- [];
- }
-
- return { set: set, expr: expr };
-};
-
-Sizzle.filter = function( expr, set, inplace, not ) {
- var match, anyFound,
- type, found, item, filter, left,
- i, pass,
- old = expr,
- result = [],
- curLoop = set,
- isXMLFilter = set && set[0] && Sizzle.isXML( set[0] );
-
- while ( expr && set.length ) {
- for ( type in Expr.filter ) {
- if ( (match = Expr.leftMatch[ type ].exec( expr )) != null && match[2] ) {
- filter = Expr.filter[ type ];
- left = match[1];
-
- anyFound = false;
-
- match.splice(1,1);
-
- if ( left.substr( left.length - 1 ) === "\\" ) {
- continue;
- }
-
- if ( curLoop === result ) {
- result = [];
- }
-
- if ( Expr.preFilter[ type ] ) {
- match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );
-
- if ( !match ) {
- anyFound = found = true;
-
- } else if ( match === true ) {
- continue;
- }
- }
-
- if ( match ) {
- for ( i = 0; (item = curLoop[i]) != null; i++ ) {
- if ( item ) {
- found = filter( item, match, i, curLoop );
- pass = not ^ found;
-
- if ( inplace && found != null ) {
- if ( pass ) {
- anyFound = true;
-
- } else {
- curLoop[i] = false;
- }
-
- } else if ( pass ) {
- result.push( item );
- anyFound = true;
- }
- }
- }
- }
-
- if ( found !== undefined ) {
- if ( !inplace ) {
- curLoop = result;
- }
-
- expr = expr.replace( Expr.match[ type ], "" );
-
- if ( !anyFound ) {
- return [];
- }
-
- break;
- }
- }
- }
-
- // Improper expression
- if ( expr === old ) {
- if ( anyFound == null ) {
- Sizzle.error( expr );
-
- } else {
- break;
- }
- }
-
- old = expr;
- }
-
- return curLoop;
-};
-
-Sizzle.error = function( msg ) {
- throw new Error( "Syntax error, unrecognized expression: " + msg );
-};
-
-/**
- * Utility function for retreiving the text value of an array of DOM nodes
- * @param {Array|Element} elem
- */
-var getText = Sizzle.getText = function( elem ) {
- var i, node,
- nodeType = elem.nodeType,
- ret = "";
-
- if ( nodeType ) {
- if ( nodeType === 1 || nodeType === 9 ) {
- // Use textContent || innerText for elements
- if ( typeof elem.textContent === 'string' ) {
- return elem.textContent;
- } else if ( typeof elem.innerText === 'string' ) {
- // Replace IE's carriage returns
- return elem.innerText.replace( rReturn, '' );
- } else {
- // Traverse it's children
- for ( elem = elem.firstChild; elem; elem = elem.nextSibling) {
- ret += getText( elem );
- }
- }
- } else if ( nodeType === 3 || nodeType === 4 ) {
- return elem.nodeValue;
- }
- } else {
-
- // If no nodeType, this is expected to be an array
- for ( i = 0; (node = elem[i]); i++ ) {
- // Do not traverse comment nodes
- if ( node.nodeType !== 8 ) {
- ret += getText( node );
- }
- }
- }
- return ret;
-};
-
-var Expr = Sizzle.selectors = {
- order: [ "ID", "NAME", "TAG" ],
-
- match: {
- ID: /#((?:[\w\u00c0-\uFFFF\-]|\\.)+)/,
- CLASS: /\.((?:[\w\u00c0-\uFFFF\-]|\\.)+)/,
- NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF\-]|\\.)+)['"]*\]/,
- ATTR: /\[\s*((?:[\w\u00c0-\uFFFF\-]|\\.)+)\s*(?:(\S?=)\s*(?:(['"])(.*?)\3|(#?(?:[\w\u00c0-\uFFFF\-]|\\.)*)|)|)\s*\]/,
- TAG: /^((?:[\w\u00c0-\uFFFF\*\-]|\\.)+)/,
- CHILD: /:(only|nth|last|first)-child(?:\(\s*(even|odd|(?:[+\-]?\d+|(?:[+\-]?\d*)?n\s*(?:[+\-]\s*\d+)?))\s*\))?/,
- POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^\-]|$)/,
- PSEUDO: /:((?:[\w\u00c0-\uFFFF\-]|\\.)+)(?:\((['"]?)((?:\([^\)]+\)|[^\(\)]*)+)\2\))?/
- },
-
- leftMatch: {},
-
- attrMap: {
- "class": "className",
- "for": "htmlFor"
- },
-
- attrHandle: {
- href: function( elem ) {
- return elem.getAttribute( "href" );
- },
- type: function( elem ) {
- return elem.getAttribute( "type" );
- }
- },
-
- relative: {
- "+": function(checkSet, part){
- var isPartStr = typeof part === "string",
- isTag = isPartStr && !rNonWord.test( part ),
- isPartStrNotTag = isPartStr && !isTag;
-
- if ( isTag ) {
- part = part.toLowerCase();
- }
-
- for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) {
- if ( (elem = checkSet[i]) ) {
- while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}
-
- checkSet[i] = isPartStrNotTag || elem && elem.nodeName.toLowerCase() === part ?
- elem || false :
- elem === part;
- }
- }
-
- if ( isPartStrNotTag ) {
- Sizzle.filter( part, checkSet, true );
- }
- },
-
- ">": function( checkSet, part ) {
- var elem,
- isPartStr = typeof part === "string",
- i = 0,
- l = checkSet.length;
-
- if ( isPartStr && !rNonWord.test( part ) ) {
- part = part.toLowerCase();
-
- for ( ; i < l; i++ ) {
- elem = checkSet[i];
-
- if ( elem ) {
- var parent = elem.parentNode;
- checkSet[i] = parent.nodeName.toLowerCase() === part ? parent : false;
- }
- }
-
- } else {
- for ( ; i < l; i++ ) {
- elem = checkSet[i];
-
- if ( elem ) {
- checkSet[i] = isPartStr ?
- elem.parentNode :
- elem.parentNode === part;
- }
- }
-
- if ( isPartStr ) {
- Sizzle.filter( part, checkSet, true );
- }
- }
- },
-
- "": function(checkSet, part, isXML){
- var nodeCheck,
- doneName = done++,
- checkFn = dirCheck;
-
- if ( typeof part === "string" && !rNonWord.test( part ) ) {
- part = part.toLowerCase();
- nodeCheck = part;
- checkFn = dirNodeCheck;
- }
-
- checkFn( "parentNode", part, doneName, checkSet, nodeCheck, isXML );
- },
-
- "~": function( checkSet, part, isXML ) {
- var nodeCheck,
- doneName = done++,
- checkFn = dirCheck;
-
- if ( typeof part === "string" && !rNonWord.test( part ) ) {
- part = part.toLowerCase();
- nodeCheck = part;
- checkFn = dirNodeCheck;
- }
-
- checkFn( "previousSibling", part, doneName, checkSet, nodeCheck, isXML );
- }
- },
-
- find: {
- ID: function( match, context, isXML ) {
- if ( typeof context.getElementById !== "undefined" && !isXML ) {
- var m = context.getElementById(match[1]);
- // Check parentNode to catch when Blackberry 4.6 returns
- // nodes that are no longer in the document #6963
- return m && m.parentNode ? [m] : [];
- }
- },
-
- NAME: function( match, context ) {
- if ( typeof context.getElementsByName !== "undefined" ) {
- var ret = [],
- results = context.getElementsByName( match[1] );
-
- for ( var i = 0, l = results.length; i < l; i++ ) {
- if ( results[i].getAttribute("name") === match[1] ) {
- ret.push( results[i] );
- }
- }
-
- return ret.length === 0 ? null : ret;
- }
- },
-
- TAG: function( match, context ) {
- if ( typeof context.getElementsByTagName !== "undefined" ) {
- return context.getElementsByTagName( match[1] );
- }
- }
- },
- preFilter: {
- CLASS: function( match, curLoop, inplace, result, not, isXML ) {
- match = " " + match[1].replace( rBackslash, "" ) + " ";
-
- if ( isXML ) {
- return match;
- }
-
- for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) {
- if ( elem ) {
- if ( not ^ (elem.className && (" " + elem.className + " ").replace(/[\t\n\r]/g, " ").indexOf(match) >= 0) ) {
- if ( !inplace ) {
- result.push( elem );
- }
-
- } else if ( inplace ) {
- curLoop[i] = false;
- }
- }
- }
-
- return false;
- },
-
- ID: function( match ) {
- return match[1].replace( rBackslash, "" );
- },
-
- TAG: function( match, curLoop ) {
- return match[1].replace( rBackslash, "" ).toLowerCase();
- },
-
- CHILD: function( match ) {
- if ( match[1] === "nth" ) {
- if ( !match[2] ) {
- Sizzle.error( match[0] );
- }
-
- match[2] = match[2].replace(/^\+|\s*/g, '');
-
- // parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6'
- var test = /(-?)(\d*)(?:n([+\-]?\d*))?/.exec(
- match[2] === "even" && "2n" || match[2] === "odd" && "2n+1" ||
- !/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);
-
- // calculate the numbers (first)n+(last) including if they are negative
- match[2] = (test[1] + (test[2] || 1)) - 0;
- match[3] = test[3] - 0;
- }
- else if ( match[2] ) {
- Sizzle.error( match[0] );
- }
-
- // TODO: Move to normal caching system
- match[0] = done++;
-
- return match;
- },
-
- ATTR: function( match, curLoop, inplace, result, not, isXML ) {
- var name = match[1] = match[1].replace( rBackslash, "" );
-
- if ( !isXML && Expr.attrMap[name] ) {
- match[1] = Expr.attrMap[name];
- }
-
- // Handle if an un-quoted value was used
- match[4] = ( match[4] || match[5] || "" ).replace( rBackslash, "" );
-
- if ( match[2] === "~=" ) {
- match[4] = " " + match[4] + " ";
- }
-
- return match;
- },
-
- PSEUDO: function( match, curLoop, inplace, result, not ) {
- if ( match[1] === "not" ) {
- // If we're dealing with a complex expression, or a simple one
- if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
- match[3] = Sizzle(match[3], null, null, curLoop);
-
- } else {
- var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not);
-
- if ( !inplace ) {
- result.push.apply( result, ret );
- }
-
- return false;
- }
-
- } else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
- return true;
- }
-
- return match;
- },
-
- POS: function( match ) {
- match.unshift( true );
-
- return match;
- }
- },
-
- filters: {
- enabled: function( elem ) {
- return elem.disabled === false && elem.type !== "hidden";
- },
-
- disabled: function( elem ) {
- return elem.disabled === true;
- },
-
- checked: function( elem ) {
- return elem.checked === true;
- },
-
- selected: function( elem ) {
- // Accessing this property makes selected-by-default
- // options in Safari work properly
- if ( elem.parentNode ) {
- elem.parentNode.selectedIndex;
- }
-
- return elem.selected === true;
- },
-
- parent: function( elem ) {
- return !!elem.firstChild;
- },
-
- empty: function( elem ) {
- return !elem.firstChild;
- },
-
- has: function( elem, i, match ) {
- return !!Sizzle( match[3], elem ).length;
- },
-
- header: function( elem ) {
- return (/h\d/i).test( elem.nodeName );
- },
-
- text: function( elem ) {
- var attr = elem.getAttribute( "type" ), type = elem.type;
- // IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)
- // use getAttribute instead to test this case
- return elem.nodeName.toLowerCase() === "input" && "text" === type && ( attr === type || attr === null );
- },
-
- radio: function( elem ) {
- return elem.nodeName.toLowerCase() === "input" && "radio" === elem.type;
- },
-
- checkbox: function( elem ) {
- return elem.nodeName.toLowerCase() === "input" && "checkbox" === elem.type;
- },
-
- file: function( elem ) {
- return elem.nodeName.toLowerCase() === "input" && "file" === elem.type;
- },
-
- password: function( elem ) {
- return elem.nodeName.toLowerCase() === "input" && "password" === elem.type;
- },
-
- submit: function( elem ) {
- var name = elem.nodeName.toLowerCase();
- return (name === "input" || name === "button") && "submit" === elem.type;
- },
-
- image: function( elem ) {
- return elem.nodeName.toLowerCase() === "input" && "image" === elem.type;
- },
-
- reset: function( elem ) {
- var name = elem.nodeName.toLowerCase();
- return (name === "input" || name === "button") && "reset" === elem.type;
- },
-
- button: function( elem ) {
- var name = elem.nodeName.toLowerCase();
- return name === "input" && "button" === elem.type || name === "button";
- },
-
- input: function( elem ) {
- return (/input|select|textarea|button/i).test( elem.nodeName );
- },
-
- focus: function( elem ) {
- return elem === elem.ownerDocument.activeElement;
- }
- },
- setFilters: {
- first: function( elem, i ) {
- return i === 0;
- },
-
- last: function( elem, i, match, array ) {
- return i === array.length - 1;
- },
-
- even: function( elem, i ) {
- return i % 2 === 0;
- },
-
- odd: function( elem, i ) {
- return i % 2 === 1;
- },
-
- lt: function( elem, i, match ) {
- return i < match[3] - 0;
- },
-
- gt: function( elem, i, match ) {
- return i > match[3] - 0;
- },
-
- nth: function( elem, i, match ) {
- return match[3] - 0 === i;
- },
-
- eq: function( elem, i, match ) {
- return match[3] - 0 === i;
- }
- },
- filter: {
- PSEUDO: function( elem, match, i, array ) {
- var name = match[1],
- filter = Expr.filters[ name ];
-
- if ( filter ) {
- return filter( elem, i, match, array );
-
- } else if ( name === "contains" ) {
- return (elem.textContent || elem.innerText || getText([ elem ]) || "").indexOf(match[3]) >= 0;
-
- } else if ( name === "not" ) {
- var not = match[3];
-
- for ( var j = 0, l = not.length; j < l; j++ ) {
- if ( not[j] === elem ) {
- return false;
- }
- }
-
- return true;
-
- } else {
- Sizzle.error( name );
- }
- },
-
- CHILD: function( elem, match ) {
- var first, last,
- doneName, parent, cache,
- count, diff,
- type = match[1],
- node = elem;
-
- switch ( type ) {
- case "only":
- case "first":
- while ( (node = node.previousSibling) ) {
- if ( node.nodeType === 1 ) {
- return false;
- }
- }
-
- if ( type === "first" ) {
- return true;
- }
-
- node = elem;
-
- case "last":
- while ( (node = node.nextSibling) ) {
- if ( node.nodeType === 1 ) {
- return false;
- }
- }
-
- return true;
-
- case "nth":
- first = match[2];
- last = match[3];
-
- if ( first === 1 && last === 0 ) {
- return true;
- }
-
- doneName = match[0];
- parent = elem.parentNode;
-
- if ( parent && (parent[ expando ] !== doneName || !elem.nodeIndex) ) {
- count = 0;
-
- for ( node = parent.firstChild; node; node = node.nextSibling ) {
- if ( node.nodeType === 1 ) {
- node.nodeIndex = ++count;
- }
- }
-
- parent[ expando ] = doneName;
- }
-
- diff = elem.nodeIndex - last;
-
- if ( first === 0 ) {
- return diff === 0;
-
- } else {
- return ( diff % first === 0 && diff / first >= 0 );
- }
- }
- },
-
- ID: function( elem, match ) {
- return elem.nodeType === 1 && elem.getAttribute("id") === match;
- },
-
- TAG: function( elem, match ) {
- return (match === "*" && elem.nodeType === 1) || !!elem.nodeName && elem.nodeName.toLowerCase() === match;
- },
-
- CLASS: function( elem, match ) {
- return (" " + (elem.className || elem.getAttribute("class")) + " ")
- .indexOf( match ) > -1;
- },
-
- ATTR: function( elem, match ) {
- var name = match[1],
- result = Sizzle.attr ?
- Sizzle.attr( elem, name ) :
- Expr.attrHandle[ name ] ?
- Expr.attrHandle[ name ]( elem ) :
- elem[ name ] != null ?
- elem[ name ] :
- elem.getAttribute( name ),
- value = result + "",
- type = match[2],
- check = match[4];
-
- return result == null ?
- type === "!=" :
- !type && Sizzle.attr ?
- result != null :
- type === "=" ?
- value === check :
- type === "*=" ?
- value.indexOf(check) >= 0 :
- type === "~=" ?
- (" " + value + " ").indexOf(check) >= 0 :
- !check ?
- value && result !== false :
- type === "!=" ?
- value !== check :
- type === "^=" ?
- value.indexOf(check) === 0 :
- type === "$=" ?
- value.substr(value.length - check.length) === check :
- type === "|=" ?
- value === check || value.substr(0, check.length + 1) === check + "-" :
- false;
- },
-
- POS: function( elem, match, i, array ) {
- var name = match[2],
- filter = Expr.setFilters[ name ];
-
- if ( filter ) {
- return filter( elem, i, match, array );
- }
- }
- }
-};
-
-var origPOS = Expr.match.POS,
- fescape = function(all, num){
- return "\\" + (num - 0 + 1);
- };
-
-for ( var type in Expr.match ) {
- Expr.match[ type ] = new RegExp( Expr.match[ type ].source + (/(?![^\[]*\])(?![^\(]*\))/.source) );
- Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source.replace(/\\(\d+)/g, fescape) );
-}
-
-var makeArray = function( array, results ) {
- array = Array.prototype.slice.call( array, 0 );
-
- if ( results ) {
- results.push.apply( results, array );
- return results;
- }
-
- return array;
-};
-
-// Perform a simple check to determine if the browser is capable of
-// converting a NodeList to an array using builtin methods.
-// Also verifies that the returned array holds DOM nodes
-// (which is not the case in the Blackberry browser)
-try {
- Array.prototype.slice.call( document.documentElement.childNodes, 0 )[0].nodeType;
-
-// Provide a fallback method if it does not work
-} catch( e ) {
- makeArray = function( array, results ) {
- var i = 0,
- ret = results || [];
-
- if ( toString.call(array) === "[object Array]" ) {
- Array.prototype.push.apply( ret, array );
-
- } else {
- if ( typeof array.length === "number" ) {
- for ( var l = array.length; i < l; i++ ) {
- ret.push( array[i] );
- }
-
- } else {
- for ( ; array[i]; i++ ) {
- ret.push( array[i] );
- }
- }
- }
-
- return ret;
- };
-}
-
-var sortOrder, siblingCheck;
-
-if ( document.documentElement.compareDocumentPosition ) {
- sortOrder = function( a, b ) {
- if ( a === b ) {
- hasDuplicate = true;
- return 0;
- }
-
- if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
- return a.compareDocumentPosition ? -1 : 1;
- }
-
- return a.compareDocumentPosition(b) & 4 ? -1 : 1;
- };
-
-} else {
- sortOrder = function( a, b ) {
- // The nodes are identical, we can exit early
- if ( a === b ) {
- hasDuplicate = true;
- return 0;
-
- // Fallback to using sourceIndex (in IE) if it's available on both nodes
- } else if ( a.sourceIndex && b.sourceIndex ) {
- return a.sourceIndex - b.sourceIndex;
- }
-
- var al, bl,
- ap = [],
- bp = [],
- aup = a.parentNode,
- bup = b.parentNode,
- cur = aup;
-
- // If the nodes are siblings (or identical) we can do a quick check
- if ( aup === bup ) {
- return siblingCheck( a, b );
-
- // If no parents were found then the nodes are disconnected
- } else if ( !aup ) {
- return -1;
-
- } else if ( !bup ) {
- return 1;
- }
-
- // Otherwise they're somewhere else in the tree so we need
- // to build up a full list of the parentNodes for comparison
- while ( cur ) {
- ap.unshift( cur );
- cur = cur.parentNode;
- }
-
- cur = bup;
-
- while ( cur ) {
- bp.unshift( cur );
- cur = cur.parentNode;
- }
-
- al = ap.length;
- bl = bp.length;
-
- // Start walking down the tree looking for a discrepancy
- for ( var i = 0; i < al && i < bl; i++ ) {
- if ( ap[i] !== bp[i] ) {
- return siblingCheck( ap[i], bp[i] );
- }
- }
-
- // We ended someplace up the tree so do a sibling check
- return i === al ?
- siblingCheck( a, bp[i], -1 ) :
- siblingCheck( ap[i], b, 1 );
- };
-
- siblingCheck = function( a, b, ret ) {
- if ( a === b ) {
- return ret;
-
- var cur = a.nextSibling;
- }
-
- while ( cur ) {
- if ( cur === b ) {
- return -1;
- }
-
- cur = cur.nextSibling;
- }
-
- return 1;
- };
-}
-
-// Check to see if the browser returns elements by name when
-// querying by getElementById (and provide a workaround)
-(function(){
- // We're going to inject a fake input element with a specified name
- var form = document.createElement("div"),
- id = "script" + (new Date()).getTime(),
- root = document.documentElement;
-
- form.innerHTML = "";
-
- // Inject it into the root element, check its status, and remove it quickly
- root.insertBefore( form, root.firstChild );
-
- // The workaround has to do additional checks after a getElementById
- // Which slows things down for other browsers (hence the branching)
- if ( document.getElementById( id ) ) {
- Expr.find.ID = function( match, context, isXML ) {
- if ( typeof context.getElementById !== "undefined" && !isXML ) {
- var m = context.getElementById(match[1]);
-
- return m ?
- m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ?
- [m] :
- undefined :
- [];
- }
- };
-
- Expr.filter.ID = function( elem, match ) {
- var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
-
- return elem.nodeType === 1 && node && node.nodeValue === match;
- };
- }
-
- root.removeChild( form );
-
- // release memory in IE
- root = form = null;
-})();
-
-(function(){
- // Check to see if the browser returns only elements
- // when doing getElementsByTagName("*")
-
- // Create a fake element
- var div = document.createElement("div");
- div.appendChild( document.createComment("") );
-
- // Make sure no comments are found
- if ( div.getElementsByTagName("*").length > 0 ) {
- Expr.find.TAG = function( match, context ) {
- var results = context.getElementsByTagName( match[1] );
-
- // Filter out possible comments
- if ( match[1] === "*" ) {
- var tmp = [];
-
- for ( var i = 0; results[i]; i++ ) {
- if ( results[i].nodeType === 1 ) {
- tmp.push( results[i] );
- }
- }
-
- results = tmp;
- }
-
- return results;
- };
- }
-
- // Check to see if an attribute returns normalized href attributes
- div.innerHTML = "";
-
- if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" &&
- div.firstChild.getAttribute("href") !== "#" ) {
-
- Expr.attrHandle.href = function( elem ) {
- return elem.getAttribute( "href", 2 );
- };
- }
-
- // release memory in IE
- div = null;
-})();
-
-if ( document.querySelectorAll ) {
- (function(){
- var oldSizzle = Sizzle,
- div = document.createElement("div"),
- id = "__sizzle__";
-
- div.innerHTML = "";
-
- // Safari can't handle uppercase or unicode characters when
- // in quirks mode.
- if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
- return;
- }
-
- Sizzle = function( query, context, extra, seed ) {
- context = context || document;
-
- // Only use querySelectorAll on non-XML documents
- // (ID selectors don't work in non-HTML documents)
- if ( !seed && !Sizzle.isXML(context) ) {
- // See if we find a selector to speed up
- var match = /^(\w+$)|^\.([\w\-]+$)|^#([\w\-]+$)/.exec( query );
-
- if ( match && (context.nodeType === 1 || context.nodeType === 9) ) {
- // Speed-up: Sizzle("TAG")
- if ( match[1] ) {
- return makeArray( context.getElementsByTagName( query ), extra );
-
- // Speed-up: Sizzle(".CLASS")
- } else if ( match[2] && Expr.find.CLASS && context.getElementsByClassName ) {
- return makeArray( context.getElementsByClassName( match[2] ), extra );
- }
- }
-
- if ( context.nodeType === 9 ) {
- // Speed-up: Sizzle("body")
- // The body element only exists once, optimize finding it
- if ( query === "body" && context.body ) {
- return makeArray( [ context.body ], extra );
-
- // Speed-up: Sizzle("#ID")
- } else if ( match && match[3] ) {
- var elem = context.getElementById( match[3] );
-
- // Check parentNode to catch when Blackberry 4.6 returns
- // nodes that are no longer in the document #6963
- if ( elem && elem.parentNode ) {
- // Handle the case where IE and Opera return items
- // by name instead of ID
- if ( elem.id === match[3] ) {
- return makeArray( [ elem ], extra );
- }
-
- } else {
- return makeArray( [], extra );
- }
- }
-
- try {
- return makeArray( context.querySelectorAll(query), extra );
- } catch(qsaError) {}
-
- // qSA works strangely on Element-rooted queries
- // We can work around this by specifying an extra ID on the root
- // and working up from there (Thanks to Andrew Dupont for the technique)
- // IE 8 doesn't work on object elements
- } else if ( context.nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
- var oldContext = context,
- old = context.getAttribute( "id" ),
- nid = old || id,
- hasParent = context.parentNode,
- relativeHierarchySelector = /^\s*[+~]/.test( query );
-
- if ( !old ) {
- context.setAttribute( "id", nid );
- } else {
- nid = nid.replace( /'/g, "\\$&" );
- }
- if ( relativeHierarchySelector && hasParent ) {
- context = context.parentNode;
- }
-
- try {
- if ( !relativeHierarchySelector || hasParent ) {
- return makeArray( context.querySelectorAll( "[id='" + nid + "'] " + query ), extra );
- }
-
- } catch(pseudoError) {
- } finally {
- if ( !old ) {
- oldContext.removeAttribute( "id" );
- }
- }
- }
- }
-
- return oldSizzle(query, context, extra, seed);
- };
-
- for ( var prop in oldSizzle ) {
- Sizzle[ prop ] = oldSizzle[ prop ];
- }
-
- // release memory in IE
- div = null;
- })();
-}
-
-(function(){
- var html = document.documentElement,
- matches = html.matchesSelector || html.mozMatchesSelector || html.webkitMatchesSelector || html.msMatchesSelector;
-
- if ( matches ) {
- // Check to see if it's possible to do matchesSelector
- // on a disconnected node (IE 9 fails this)
- var disconnectedMatch = !matches.call( document.createElement( "div" ), "div" ),
- pseudoWorks = false;
-
- try {
- // This should fail with an exception
- // Gecko does not error, returns false instead
- matches.call( document.documentElement, "[test!='']:sizzle" );
-
- } catch( pseudoError ) {
- pseudoWorks = true;
- }
-
- Sizzle.matchesSelector = function( node, expr ) {
- // Make sure that attribute selectors are quoted
- expr = expr.replace(/\=\s*([^'"\]]*)\s*\]/g, "='$1']");
-
- if ( !Sizzle.isXML( node ) ) {
- try {
- if ( pseudoWorks || !Expr.match.PSEUDO.test( expr ) && !/!=/.test( expr ) ) {
- var ret = matches.call( node, expr );
-
- // IE 9's matchesSelector returns false on disconnected nodes
- if ( ret || !disconnectedMatch ||
- // As well, disconnected nodes are said to be in a document
- // fragment in IE 9, so check for that
- node.document && node.document.nodeType !== 11 ) {
- return ret;
- }
- }
- } catch(e) {}
- }
-
- return Sizzle(expr, null, null, [node]).length > 0;
- };
- }
-})();
-
-(function(){
- var div = document.createElement("div");
-
- div.innerHTML = "";
-
- // Opera can't find a second classname (in 9.6)
- // Also, make sure that getElementsByClassName actually exists
- if ( !div.getElementsByClassName || div.getElementsByClassName("e").length === 0 ) {
- return;
- }
-
- // Safari caches class attributes, doesn't catch changes (in 3.2)
- div.lastChild.className = "e";
-
- if ( div.getElementsByClassName("e").length === 1 ) {
- return;
- }
-
- Expr.order.splice(1, 0, "CLASS");
- Expr.find.CLASS = function( match, context, isXML ) {
- if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) {
- return context.getElementsByClassName(match[1]);
- }
- };
-
- // release memory in IE
- div = null;
-})();
-
-function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
- for ( var i = 0, l = checkSet.length; i < l; i++ ) {
- var elem = checkSet[i];
-
- if ( elem ) {
- var match = false;
-
- elem = elem[dir];
-
- while ( elem ) {
- if ( elem[ expando ] === doneName ) {
- match = checkSet[elem.sizset];
- break;
- }
-
- if ( elem.nodeType === 1 && !isXML ){
- elem[ expando ] = doneName;
- elem.sizset = i;
- }
-
- if ( elem.nodeName.toLowerCase() === cur ) {
- match = elem;
- break;
- }
-
- elem = elem[dir];
- }
-
- checkSet[i] = match;
- }
- }
-}
-
-function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
- for ( var i = 0, l = checkSet.length; i < l; i++ ) {
- var elem = checkSet[i];
-
- if ( elem ) {
- var match = false;
-
- elem = elem[dir];
-
- while ( elem ) {
- if ( elem[ expando ] === doneName ) {
- match = checkSet[elem.sizset];
- break;
- }
-
- if ( elem.nodeType === 1 ) {
- if ( !isXML ) {
- elem[ expando ] = doneName;
- elem.sizset = i;
- }
-
- if ( typeof cur !== "string" ) {
- if ( elem === cur ) {
- match = true;
- break;
- }
-
- } else if ( Sizzle.filter( cur, [elem] ).length > 0 ) {
- match = elem;
- break;
- }
- }
-
- elem = elem[dir];
- }
-
- checkSet[i] = match;
- }
- }
-}
-
-if ( document.documentElement.contains ) {
- Sizzle.contains = function( a, b ) {
- return a !== b && (a.contains ? a.contains(b) : true);
- };
-
-} else if ( document.documentElement.compareDocumentPosition ) {
- Sizzle.contains = function( a, b ) {
- return !!(a.compareDocumentPosition(b) & 16);
- };
-
-} else {
- Sizzle.contains = function() {
- return false;
- };
-}
-
-Sizzle.isXML = function( elem ) {
- // documentElement is verified for cases where it doesn't yet exist
- // (such as loading iframes in IE - #4833)
- var documentElement = (elem ? elem.ownerDocument || elem : 0).documentElement;
-
- return documentElement ? documentElement.nodeName !== "HTML" : false;
-};
-
-var posProcess = function( selector, context, seed ) {
- var match,
- tmpSet = [],
- later = "",
- root = context.nodeType ? [context] : context;
-
- // Position selectors must be done after the filter
- // And so must :not(positional) so we move all PSEUDOs to the end
- while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
- later += match[0];
- selector = selector.replace( Expr.match.PSEUDO, "" );
- }
-
- selector = Expr.relative[selector] ? selector + "*" : selector;
-
- for ( var i = 0, l = root.length; i < l; i++ ) {
- Sizzle( selector, root[i], tmpSet, seed );
- }
-
- return Sizzle.filter( later, tmpSet );
-};
-
-// EXPOSE
-// Override sizzle attribute retrieval
-Sizzle.attr = jQuery.attr;
-Sizzle.selectors.attrMap = {};
-jQuery.find = Sizzle;
-jQuery.expr = Sizzle.selectors;
-jQuery.expr[":"] = jQuery.expr.filters;
-jQuery.unique = Sizzle.uniqueSort;
-jQuery.text = Sizzle.getText;
-jQuery.isXMLDoc = Sizzle.isXML;
-jQuery.contains = Sizzle.contains;
-
-
-})();
-
-
-var runtil = /Until$/,
- rparentsprev = /^(?:parents|prevUntil|prevAll)/,
- // Note: This RegExp should be improved, or likely pulled from Sizzle
- rmultiselector = /,/,
- isSimple = /^.[^:#\[\.,]*$/,
- slice = Array.prototype.slice,
- POS = jQuery.expr.match.POS,
- // methods guaranteed to produce a unique set when starting from a unique set
- guaranteedUnique = {
- children: true,
- contents: true,
- next: true,
- prev: true
- };
-
-jQuery.fn.extend({
- find: function( selector ) {
- var self = this,
- i, l;
-
- if ( typeof selector !== "string" ) {
- return jQuery( selector ).filter(function() {
- for ( i = 0, l = self.length; i < l; i++ ) {
- if ( jQuery.contains( self[ i ], this ) ) {
- return true;
- }
- }
- });
- }
-
- var ret = this.pushStack( "", "find", selector ),
- length, n, r;
-
- for ( i = 0, l = this.length; i < l; i++ ) {
- length = ret.length;
- jQuery.find( selector, this[i], ret );
-
- if ( i > 0 ) {
- // Make sure that the results are unique
- for ( n = length; n < ret.length; n++ ) {
- for ( r = 0; r < length; r++ ) {
- if ( ret[r] === ret[n] ) {
- ret.splice(n--, 1);
- break;
- }
- }
- }
- }
- }
-
- return ret;
- },
-
- has: function( target ) {
- var targets = jQuery( target );
- return this.filter(function() {
- for ( var i = 0, l = targets.length; i < l; i++ ) {
- if ( jQuery.contains( this, targets[i] ) ) {
- return true;
- }
- }
- });
- },
-
- not: function( selector ) {
- return this.pushStack( winnow(this, selector, false), "not", selector);
- },
-
- filter: function( selector ) {
- return this.pushStack( winnow(this, selector, true), "filter", selector );
- },
-
- is: function( selector ) {
- return !!selector && (
- typeof selector === "string" ?
- // If this is a positional selector, check membership in the returned set
- // so $("p:first").is("p:last") won't return true for a doc with two "p".
- POS.test( selector ) ?
- jQuery( selector, this.context ).index( this[0] ) >= 0 :
- jQuery.filter( selector, this ).length > 0 :
- this.filter( selector ).length > 0 );
- },
-
- closest: function( selectors, context ) {
- var ret = [], i, l, cur = this[0];
-
- // Array (deprecated as of jQuery 1.7)
- if ( jQuery.isArray( selectors ) ) {
- var level = 1;
-
- while ( cur && cur.ownerDocument && cur !== context ) {
- for ( i = 0; i < selectors.length; i++ ) {
-
- if ( jQuery( cur ).is( selectors[ i ] ) ) {
- ret.push({ selector: selectors[ i ], elem: cur, level: level });
- }
- }
-
- cur = cur.parentNode;
- level++;
- }
-
- return ret;
- }
-
- // String
- var pos = POS.test( selectors ) || typeof selectors !== "string" ?
- jQuery( selectors, context || this.context ) :
- 0;
-
- for ( i = 0, l = this.length; i < l; i++ ) {
- cur = this[i];
-
- while ( cur ) {
- if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) {
- ret.push( cur );
- break;
-
- } else {
- cur = cur.parentNode;
- if ( !cur || !cur.ownerDocument || cur === context || cur.nodeType === 11 ) {
- break;
- }
- }
- }
- }
-
- ret = ret.length > 1 ? jQuery.unique( ret ) : ret;
-
- return this.pushStack( ret, "closest", selectors );
- },
-
- // Determine the position of an element within
- // the matched set of elements
- index: function( elem ) {
-
- // No argument, return index in parent
- if ( !elem ) {
- return ( this[0] && this[0].parentNode ) ? this.prevAll().length : -1;
- }
-
- // index in selector
- if ( typeof elem === "string" ) {
- return jQuery.inArray( this[0], jQuery( elem ) );
- }
-
- // Locate the position of the desired element
- return jQuery.inArray(
- // If it receives a jQuery object, the first element is used
- elem.jquery ? elem[0] : elem, this );
- },
-
- add: function( selector, context ) {
- var set = typeof selector === "string" ?
- jQuery( selector, context ) :
- jQuery.makeArray( selector && selector.nodeType ? [ selector ] : selector ),
- all = jQuery.merge( this.get(), set );
-
- return this.pushStack( isDisconnected( set[0] ) || isDisconnected( all[0] ) ?
- all :
- jQuery.unique( all ) );
- },
-
- andSelf: function() {
- return this.add( this.prevObject );
- }
-});
-
-// A painfully simple check to see if an element is disconnected
-// from a document (should be improved, where feasible).
-function isDisconnected( node ) {
- return !node || !node.parentNode || node.parentNode.nodeType === 11;
-}
-
-jQuery.each({
- parent: function( elem ) {
- var parent = elem.parentNode;
- return parent && parent.nodeType !== 11 ? parent : null;
- },
- parents: function( elem ) {
- return jQuery.dir( elem, "parentNode" );
- },
- parentsUntil: function( elem, i, until ) {
- return jQuery.dir( elem, "parentNode", until );
- },
- next: function( elem ) {
- return jQuery.nth( elem, 2, "nextSibling" );
- },
- prev: function( elem ) {
- return jQuery.nth( elem, 2, "previousSibling" );
- },
- nextAll: function( elem ) {
- return jQuery.dir( elem, "nextSibling" );
- },
- prevAll: function( elem ) {
- return jQuery.dir( elem, "previousSibling" );
- },
- nextUntil: function( elem, i, until ) {
- return jQuery.dir( elem, "nextSibling", until );
- },
- prevUntil: function( elem, i, until ) {
- return jQuery.dir( elem, "previousSibling", until );
- },
- siblings: function( elem ) {
- return jQuery.sibling( elem.parentNode.firstChild, elem );
- },
- children: function( elem ) {
- return jQuery.sibling( elem.firstChild );
- },
- contents: function( elem ) {
- return jQuery.nodeName( elem, "iframe" ) ?
- elem.contentDocument || elem.contentWindow.document :
- jQuery.makeArray( elem.childNodes );
- }
-}, function( name, fn ) {
- jQuery.fn[ name ] = function( until, selector ) {
- var ret = jQuery.map( this, fn, until );
-
- if ( !runtil.test( name ) ) {
- selector = until;
- }
-
- if ( selector && typeof selector === "string" ) {
- ret = jQuery.filter( selector, ret );
- }
-
- ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;
-
- if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( name ) ) {
- ret = ret.reverse();
- }
-
- return this.pushStack( ret, name, slice.call( arguments ).join(",") );
- };
-});
-
-jQuery.extend({
- filter: function( expr, elems, not ) {
- if ( not ) {
- expr = ":not(" + expr + ")";
- }
-
- return elems.length === 1 ?
- jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] :
- jQuery.find.matches(expr, elems);
- },
-
- dir: function( elem, dir, until ) {
- var matched = [],
- cur = elem[ dir ];
-
- while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
- if ( cur.nodeType === 1 ) {
- matched.push( cur );
- }
- cur = cur[dir];
- }
- return matched;
- },
-
- nth: function( cur, result, dir, elem ) {
- result = result || 1;
- var num = 0;
-
- for ( ; cur; cur = cur[dir] ) {
- if ( cur.nodeType === 1 && ++num === result ) {
- break;
- }
- }
-
- return cur;
- },
-
- sibling: function( n, elem ) {
- var r = [];
-
- for ( ; n; n = n.nextSibling ) {
- if ( n.nodeType === 1 && n !== elem ) {
- r.push( n );
- }
- }
-
- return r;
- }
-});
-
-// Implement the identical functionality for filter and not
-function winnow( elements, qualifier, keep ) {
-
- // Can't pass null or undefined to indexOf in Firefox 4
- // Set to 0 to skip string check
- qualifier = qualifier || 0;
-
- if ( jQuery.isFunction( qualifier ) ) {
- return jQuery.grep(elements, function( elem, i ) {
- var retVal = !!qualifier.call( elem, i, elem );
- return retVal === keep;
- });
-
- } else if ( qualifier.nodeType ) {
- return jQuery.grep(elements, function( elem, i ) {
- return ( elem === qualifier ) === keep;
- });
-
- } else if ( typeof qualifier === "string" ) {
- var filtered = jQuery.grep(elements, function( elem ) {
- return elem.nodeType === 1;
- });
-
- if ( isSimple.test( qualifier ) ) {
- return jQuery.filter(qualifier, filtered, !keep);
- } else {
- qualifier = jQuery.filter( qualifier, filtered );
- }
- }
-
- return jQuery.grep(elements, function( elem, i ) {
- return ( jQuery.inArray( elem, qualifier ) >= 0 ) === keep;
- });
-}
-
-
-
-
-function createSafeFragment( document ) {
- var list = nodeNames.split( "|" ),
- safeFrag = document.createDocumentFragment();
-
- if ( safeFrag.createElement ) {
- while ( list.length ) {
- safeFrag.createElement(
- list.pop()
- );
- }
- }
- return safeFrag;
-}
-
-var nodeNames = "abbr|article|aside|audio|canvas|datalist|details|figcaption|figure|footer|" +
- "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
- rinlinejQuery = / jQuery\d+="(?:\d+|null)"/g,
- rleadingWhitespace = /^\s+/,
- rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig,
- rtagName = /<([\w:]+)/,
- rtbody = /", "" ],
- legend: [ 1, "" ],
- thead: [ 1, "