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hello-singleline.html
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<!DOCTYPE html>
<html ng-app="helloSingleLine">
<head>
<title>Hello... Realtime collaboration editor</title>
<style type="text/css">
body {
margin: 0;
padding: 0;
}
#checkselectionwidth,
#checkselectionoffset,
[hello] {
width: 600px;
line-height: 24px;
padding: 10px;
box-sizing: border-box;
font-family: verdana;
font-size: 14px;
margin:0;
height: 44px;
overflow: hidden;
margin-top: 30px;
}
#checkselectionoffset,
#checkselectionwidth {
background: #ff00ff;
padding: 0;
margin: 0;
visibility: hidden;
}
[hello] div:first-child {
z-index: 2;
position: relative;
}
.selection {
height:24px;
width: 0;
background: #86be40;
opacity: 0.35;
position: relative;
z-index: 0;
}
.selection.blue {
background: #54bed3;
}
.selection.pink {
background: #f062a4;
}
.selection.yellow {
background: #ffd33a;
}
#move {
padding: 0;
margin: 0;
}
.hide {
display: none;
}
.cursor {
opacity: 0;
left: 309px;
top: 43px;
cursor: text;
position: absolute;
z-index: 24;
font: normal 13px arial,sans-serif;
}
.cursor .cursor-caret {
border-left: 2px solid;
border-color: #86be40;
height: 13.6px;
position: absolute;
width: 0px;
font-size: 0;
}
.cursor.green,
.cursor.blue,
.cursor.pink,
.cursor.yellow {
opacity: 1;
}
.cursor.blue .cursor-caret {
border-color: #54bed3;
}
.cursor.pink .cursor-caret {
border-color: #f062a4;
}
.cursor.yellow .cursor-caret {
border-color: #ffd33a;
}
.cursor .cursor-top {
opacity: 1;
background-color: #86be40;
position: absolute;
width: 6px;
left: -2px;
top: -2px;
height: 6px;
font-size: 0;
}
.cursor.blue .cursor-top {
background-color: #54bed3;
}
.cursor.pink .cursor-top {
background-color: #f062a4;
}
.cursor.yellow .cursor-top {
background-color: #ffd33a;
}
.cursor .cursor-name {
opacity: 0;
background-color: #86be40;
position: absolute;
font-size: 10px;
color: #fff;
top: -14px;
left: -2px;
padding: 2px;
white-space: nowrap;
transition: 0.3s opacity linear;
}
.cursor .cursor-name.show {
opacity: 1;
}
.cursor.blue .cursor-name {
background: #54bed3;
}
.cursor.pink .cursor-name {
background: #f062a4;
}
.cursor.yellow .cursor-name {
background: #ffd33a;
}
</style>
</head>
<body ng-controller="helloSingleLineCtrl">
<div ng-repeat="caret in connectedClients" class="cursor {{caret.color}}" style="left:{{caret.caretPosition}}px;">
<div class="cursor-caret"></div>
<div class="cursor-top"></div>
<div ng-class="[{ 'show' : caret.show==true }]" class="cursor-name">{{caret.name || 'Untitled'}}</div>
</div>
<div hello ng-click="selectRange()">
<div id="bla">Lorem Ipsum is slechts een proeftekst uit het drukkerij- en zetterijwezen. </div>
<div ng-repeat="selection in connectedClients" class="selection {{selection.color}}" style="left:{{selection.left}}px; width:{{selection.width}}px; top:-{{($index+1)*24}}px;"></div>
</div>
<span id="checkselectionwidth"></span>
<span id="checkselectionoffset"></span>
<br />
<!-- dont remove br -->
<p>
<label>Pick a color: </label>
<select id="color">
<option value="green">Green</option>
<option value="blue">Blue</option>
<option value="pink">Pink</option>
<option value="yellow">yellow</option>
</select>
<label>(Nick) name: </label>
<input ng-model="name" type="text" />
</p>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.5/angular.min.js"></script>
<script src='/socket.io/socket.io.js'></script>
<script type="text/javascript">
var app = angular.module('helloSingleLine', [])
app.controller('helloSingleLineCtrl', function( $scope, $timeout ) {
$scope.connectedClients = [];
var socketId =null
var timers = [];
var socket = io();
socket.on('connectedClients', function(data) {
$scope.connectedClients = data.connectedClients;
$scope.$apply();
console.log('connectedClients', $scope.connectedClients);
});
socket.on('getSocketId', function(data) {
socketId = data.socketId;
console.log('getSocketId', socketId);
});
socket.on('getSelectionRange', function(data) {
for (var i = $scope.connectedClients.length - 1; i >= 0; i--) {
if( $scope.connectedClients[i].socketId == data.socketId) {
data.caretPosition = parseInt(data.left, 10) + parseInt(data.width, 10) + 9;
data.show = true;
if(timers[i]) {
$timeout.cancel(timers[i]);
}
timers[i] = $timeout( function() {
data.show = false;
}, 4000);
$scope.connectedClients[i] = data;
$scope.$apply();
break;
}
}
});
$scope.selectRange = function( event ) {
var selObj = window.getSelection();
var checkselectionwidth = document.querySelector( '#checkselectionwidth' );
var checkselectionoffset = document.querySelector( '#checkselectionoffset' );
var bla = document.querySelector( '#bla' );
var color = document.querySelector( '#color' );
angular.element( checkselectionwidth ).html(selObj.toString());
angular.element( checkselectionoffset ).html(angular.element( bla ).html().toString().substring(0, selObj.getRangeAt(0).startOffset));
socket.emit('setSelectionRange', {
'color': angular.element( color ).val() || 'green',
'left': checkselectionoffset.offsetWidth,
'width': checkselectionwidth.offsetWidth,
'socketId' : socketId,
'name' : $scope.name
});
};
});
</script>
</body>
</html>