jquery.shCircleLoader-min.js

/*!
 * SunHater Circle Loader v0.2 (2013-12-28)
 * jQuery plugin
 * Copyright (c) 2014 Pavel Tzonkov <sunhater@sunhater.com>
 * Dual licensed under the MIT and GPL licenses.
 * http://opensource.org/licenses/MIT
 * http://www.gnu.org/licenses/gpl.html
 */
(function(a){a.fn.shCircleLoader=function(i,e){var m="shcl",c=1,d=a(this);if(i==="destroy"){d.find("."+m).detach();return}else{if((i==="progress")&&(typeof e!=="undefined")){d.each(function(){var s=a(this),q=s.find("."+m);if(!q.get(0)){return}if(!s.find("span").get(0)){q.append("<span></span>")}var r=q.find("span").last();r.html(e).css({position:"absolute",display:"block",left:Math.round((q.width()-r.width())/2)+"px",top:Math.round((q.height()-r.height())/2)+"px"})});return}}o={namespace:m,radius:"auto",dotsRadius:"auto",color:"auto",dots:12,duration:1,clockwise:true,externalCss:false,keyframes:"0%{{prefix}transform:scale(1)}80%{{prefix}transform:scale(.3)}100%{{prefix}transform:scale(1)}",uaPrefixes:["o","ms","webkit","moz",""]};a.extend(o,i);var n=o.color,l=o.namespace,k=o.dots,f=o.externalCss,b=o.uaPrefixes,p=function(q){return q.replace(/(.*)px$/i,"$1")},j=function(t){var r,s,q="";for(r=0;r<b.length;r++){s=b[r].length?("-"+b[r]+"-"):"";q+=t.replace(/\{prefix\}/g,s)}return q},h=function(u,t){var q={};if(!u.substr){a.each(u,function(x,w){a.extend(q,h(x,w))})}else{var r,s;for(r=0;r<b.length;r++){s=b[r].length?("-"+b[r]+"-"):"";q[s+u]=t}}return q};while(a("#"+l+c).get(0)){c++}if(!f){var g=o.keyframes.replace(/\s+$/,"").replace(/^\s+/,"");if(!/(\;|\{)\s*visibility\s*\:/gi.test(g)){g=/^(0+\%|from)\s*\{/i.test(g)?g.replace(/^((0+\%|from)\s*\{)(.*)$/i,"$1visibility:visible;$3"):(/\s+(0+\%|from)\s*\{/i.test(g)?g.replace(/(\s+(0+\%|from)\s*\{)/i,"$1visibility:visible;"):("0%{visibility:visible}"+g))}a(a("head").get(0)?"head":"body").append('<style id="'+l+c+'" type="text/css">'+j("@{prefix}keyframes "+l+c+"_bounce{"+g+"}")+"</style>")}d.each(function(){var q,u,z,s,D,F,E,A,w,C,B={},t=a(this),v=t.find("."+m);if(v.get(0)){v.shCircleLoader("destroy")}t.html('<div class="'+l+((l!=m)?(" "+m):"")+'"></div>');if(f){t=t.find("div")}F=t.innerWidth()-p(t.css("padding-left"))-p(t.css("padding-right"));E=t.innerHeight()-p(t.css("padding-top"))-p(t.css("padding-bottom"));q=(o.radius=="auto")?((F<E)?(F/2):(E/2)):o.radius;if(!f){q--;if(o.dotsRadius=="auto"){u=Math.abs(Math.sin(Math.PI/(1*k)))*q;u=(u*q)/(u+q)-1}else{u=o.dotsRadius}t=t.find("div");z=Math.ceil(q*2);C={position:"relative",width:z+"px",height:z+"px"};if(z<F){C.marginLeft=Math.round((F-z)/2)}if(z<E){C.marginTop=Math.round((E-z)/2)}t.css(C);z=Math.ceil(u*2)+"px";B={position:"absolute",visibility:"hidden",width:z,height:z};if(n!==null){B.background=(n=="auto")?t.css("color"):n}a.extend(B,h({"border-radius":Math.ceil(u)+"px","animation-name":l+c+"_bounce","animation-duration":o.duration+"s","animation-iteration-count":"infinite","animation-direction":"normal"}))}for(z=0;z<k;z++){t.append("<div></div>");if(f&&(typeof u==="undefined")){u=(p(t.find("div").css("width"))/2)}s=t.find("div").last();A=(o.duration/k)*z;D=(2*Math.PI*z)/k;w=q-u;F=w*Math.sin(D);E=w*Math.cos(D);if(o.clockwise){E=-E}C={left:Math.round(F+w)+"px",top:Math.round(E+w)+"px"};if(A){a.extend(C,h("animation-delay",A+"s"))}a.extend(C,B);s.css(C)}})}})(jQuery);