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knockout-todos.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Knockout Demo: Todos</title>
<link href="todos.css" media="all" rel="stylesheet" type="text/css" />
<script src="jquery-1.6.1.js" type="text/javascript"></script>
<script src="jquery.tmpl.js" type="text/javascript"></script>
<script src="knockout-1.2.1.debug.js" type="text/javascript"></script>
</head>
<body>
<div id="todoapp">
<div class="title">
<h1>Todos</h1>
</div>
<div class="content">
<div id="create-todo">
<input id="new-todo" data-bind="value: current, event: { keyup: add}" placeholder="What needs to be done?"
type="text" />
<span class="ui-tooltip-top" style="display: none;">Press Enter to save this task</span>
</div>
<div id="todos">
<ul id="todo-list" data-bind="template: { name: 'todoitemtemplate', foreach: todos }">
</ul>
</div>
<div id="todo-stats" data-bind="template: { name: 'statstemplate'}">
</div>
</div>
</div>
<ul id="instructions">
<li>Double-click to edit a todo.</li>
</ul>
<div id="credits">
Created by
<br />
<a href="http://jgn.me/">Jérôme Gravel-Niquet</a>
<br />
Modified to use knockout.js by
<br />
<a href="https://github.com/ashish01/knockoutjs-todos">Ashish Sharma</a>
</div>
<script id="todoitemtemplate" type="text/html">
<li>
<div data-bind="attr: { class : done() ? 'todo done' : 'todo'}">
<div class="display">
<input class="check" type="checkbox" data-bind="checked: done" />
<div class="todo-content" data-bind="text: content"></div>
<span class="todo-destroy" data-bind="click: viewModel.remove"></span>
</div>
<div class="edit">
<input class="todo-input" type="text" data-bind="value: content"/>
</div>
</div>
</li>
</script>
<script id="statstemplate" type="text/html">
<span class="todo-count" data-bind="visible: remaining().length > 0">
<span class="number" data-bind="text: remaining().length"></span>
<span class="word" data-bind="text: remaining().length == 1 ? 'item' : 'items'"></span> left.
</span>
<span class="todo-clear" data-bind="visible: done().length > 0">
<a href="#" data-bind="click: removeCompleted">
Clear <span class="number-done" data-bind="text: done().length"></span>
completed <span class="word-done"data-bind="text: done().length == 1 ? 'item' : 'items'"></span>
</a>
</span>
</script>
<script type="text/javascript">
var Todo = function (text) {
this.content = ko.observable(text);
this.order = ko.observable();
this.done = ko.observable(false);
}
var viewModel = {
todos: ko.observableArray(),
current: ko.observable(),
add: function (event) {
if (event.keyCode === 13) {
var newTodo = new Todo(this.current());
this.todos.push(newTodo);
this.current("");
}
},
remove: function (event) {
viewModel.todos.remove(this);
},
removeCompleted: function (event) {
viewModel.todos.removeAll(viewModel.done());
}
};
viewModel.remaining = ko.dependentObservable(function () {
return this.todos().filter(function (el) {
return el.done() === false;
});
}, viewModel),
viewModel.done = ko.dependentObservable(function () {
return this.todos().filter(function (el) {
return el.done() === true;
});
}, viewModel),
ko.applyBindings(viewModel);
</script>
</body>
</html>