Created
September 20, 2013 15:25
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| .number-counter { | |
| color: #707070; | |
| text-align: center; | |
| float: left; | |
| margin: 20px; | |
| } | |
| .tweets { | |
| color: #0084b4; | |
| } | |
| .likes { | |
| color: #3b5998; | |
| } | |
| .pins { | |
| color: #cb2027; | |
| } | |
| .count { | |
| font-size: 30px; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Number Counter with Ember Component</title> | |
| <link rel="stylesheet" href="https://rawgithub.com/emberjs/starter-kit/v1.0.0/css/normalize.css"> | |
| </head> | |
| <body> | |
| <script type="text/x-handlebars"> | |
| {{number-counter duration=100 content=content item="likes"}} | |
| {{number-counter duration=150 content=content item="tweets"}} | |
| {{number-counter duration=200 content=content item="pins"}} | |
| </script> | |
| <script type="text/x-handlebars" id="components/number-counter"> | |
| <div {{bindAttr class="item :count"}}>{{count}}</div> | |
| <label>{{item}}</label> | |
| </script> | |
| <script src="https://rawgithub.com/emberjs/starter-kit/v1.0.0/js/libs/jquery-1.9.1.js"></script> | |
| <script src="https://rawgithub.com/emberjs/starter-kit/v1.0.0/js/libs/handlebars-1.0.0.js"></script> | |
| <script src="https://rawgithub.com/emberjs/starter-kit/v1.0.0/js/libs/ember-1.0.0.js"></script> | |
| </body> | |
| </html> |
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| App = Em.Application.create(); | |
| App.ApplicationController = Em.Controller.extend({ | |
| content: Em.Object.create({ | |
| likes: 100, tweets: 300, pins: 0 | |
| }) | |
| }); | |
| App.NumberCounterComponent = Em.Component.extend({ | |
| classNames: 'number-counter', | |
| count: 0, | |
| getData: function(item){ | |
| // you can replace getting data from server | |
| setInterval(function() { | |
| this.set(item, this.get(item)+10); | |
| }.bind(this), this.get('duration')*20); | |
| }, | |
| addCounter: function(item){ | |
| // observe the content's item to increase number | |
| this.addObserver(item, function(){ | |
| var counter = setInterval(function(){ | |
| var oldCount = this.get('count'), | |
| newCount = this.get(item); | |
| if (oldCount<newCount){ | |
| this.incrementProperty('count', 1); | |
| return; | |
| } | |
| clearInterval(counter); | |
| }.bind(this), this.get('duration')); | |
| }); | |
| }, | |
| startCounter: function() { | |
| var item = 'content.'+this.get('item'); | |
| this.set('count', this.get(item)); | |
| this.getData(item); | |
| this.addCounter(item); | |
| }.on('didInsertElement') | |
| }); |
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