--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/demo.html Wed Dec 12 19:09:41 2012 +0900
+ <title>Shard Demo</title>
+ <link href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.2.2/css/bootstrap-combined.min.css" rel="stylesheet">
+ <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
+ <script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.4.2/underscore-min.js"></script>
+ <script src="http://cdnjs.cloudflare.com/ajax/libs/backbone.js/0.9.2/backbone-min.js"></script>
+ <script src="backbone.shard.js"></script>
+ <div class="row-fluid">
+ <div class="span3 offset5">
+ <div id="collection"></div>
+ <div class="row-fluid">
+ <div class="span3 offset3">
+ <div id="subset-read" class="centered"></div>
+ <div class="span3 offset1">
+ <div id="subset-unread" class="centered"></div>
+ var Book = Backbone.Model;
+ var col = new Backbone.Collection([
+ new Book({title: 'Crime and Punishment', read: true}),
+ new Book({title: 'Robinson Crusoe', read: true}),
+ new Book({title: 'Moby Dick', read: false}),
+ new Book({title: 'The Catcher in the Rye', read: false})
+ var CollectionView = Backbone.View.extend({
+ initialize: function(options) {
+ this.collection.on('add change remove reset', this.render, this);
+ this.collection.each(this.appendItem, this);
+ appendItem: function(item) {
+ var $cb = $('<input>').attr('type', 'checkbox').prop('checked', item.get('read'));
+ var $label = $('<label>').addClass('checkbox').text(item.get('title')).prepend($cb);
+ this.$el.append($label);
+ $cb.change(function() {
+ item.set('read', this.checked);
+ var shardRead = new Backbone.Shard({collection: col, filter: function(book) { return book.get('read'); } });
+ var shardUnread = new Backbone.Shard({collection: col, filter: function(book) { return !book.get('read'); } });
+ el: $('#subset-unread'),
+ collection: shardUnread