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class Thumb extends Backbone.Model | |
defaults: | |
uri: '' | |
state: '' | |
select: (state) -> | |
st = '' | |
st = 'selected' if state | |
@set('state' : st) | |
class Thumbs extends Backbone.Collection | |
model: Thumb | |
fetch: -> | |
_.map(urls, (url)-> new Thumb(uri: url)) | |
select: (model) -> | |
@selected.select(false) if @selected? | |
@selected = model | |
@selected.select(true) | |
@trigger('thumbs:selected') | |
selectedThumb: ()-> | |
@selected | |
class FrontView extends Backbone.View | |
template: _.template('<img src="<%= uri %>" />') | |
el: $('#front') | |
initialize: ()-> | |
@model.bind('thumbs:selected', @render) | |
render: ()=> | |
@el.html(@template(@model.selectedThumb().toJSON())) | |
@ # important to give 'this' out, on rendering we'll access 'el' | |
thumbs = new Thumbs | |
frontview = new FrontView(model:thumbs) | |
class ThumbView extends Backbone.View | |
tagName: 'li' | |
template: _.template('<img src="<%= uri %>" class="<%= state %>" />') | |
events: | |
"click" : "selectThumb" | |
initialize: ()-> | |
@model.bind('change', @render) | |
render: ()=> | |
$(@.el).html(@template(@model.toJSON())) | |
@ | |
selectThumb: ()-> | |
thumbs.select(@model) | |
class AppView extends Backbone.View | |
el: $("container") | |
render: ()-> | |
_.each thumbs.fetch(), (t)-> | |
$('div ul').append( new ThumbView(model: t).render().el) | |
window.App = new AppView | |
window.App.render() |
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<!doctype html> | |
<html> | |
<head> | |
<script type="text/javascript" src="public/javascripts/underscore.js"></script> | |
<script type="text/javascript" src="public/javascripts/jquery-1.6.2.min.js"></script> | |
<script type="text/javascript" src="public/javascripts/backbone.js"></script> | |
<script type="text/javascript" src="public/javascripts/json2.js"></script> | |
<style type="text/css"> | |
li img { width: 100px; height:100px; cursor:pointer;} | |
li { float:left;} | |
img.selected{ border:1px solid black;} | |
</style> | |
</head> | |
<body> | |
<div id="container"> | |
<div id="front"> | |
</div> | |
<div> | |
<ul> | |
</ul> | |
</div> | |
</div> | |
<script type="text/javascript"> | |
var urls = [ | |
'http://farm7.static.flickr.com/6089/6059010802_436cefa521_z.jpg', | |
'http://farm7.static.flickr.com/6088/6065742147_3d62b32deb_z.jpg', | |
'http://farm7.static.flickr.com/6197/6065590914_ab1acccf87_z.jpg', | |
'http://farm7.static.flickr.com/6081/6066708246_e1d9a812ed.jpg', | |
'http://farm7.static.flickr.com/6066/6063442584_feb03a88d8.jpg' | |
]; | |
</script> | |
<script type="text/javascript" src="app.js"></script> | |
</body> | |
</html> |
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var Thumb = Backbone.Model.extend({ | |
defaults: { | |
uri: '', | |
state: '' | |
}, | |
select: function(state){ | |
this.set({'state': state ? 'selected' : ''}); | |
} | |
}); | |
var Thumbs = Backbone.Collection.extend({ | |
model: Thumb | |
, | |
fetch: function(){ | |
return _.map(urls, function(url){ return new Thumb({uri: url})}); | |
} | |
, | |
select: function(model){ | |
if( this.selectedThumb() ){ | |
this.selectedThumb().select(false); | |
} | |
this.selected = model; | |
this.selected.select(true); | |
this.trigger('thumbs:selected'); | |
} | |
, | |
selectedThumb: function(){ | |
return this.selected; | |
} | |
}); | |
var thumbs = new Thumbs(); | |
var FrontView = Backbone.View.extend({ | |
template: _.template('<img src="<%= uri %>" />'), | |
el: $('#front'), | |
initialize: function(){ | |
this.model.bind('thumbs:selected', this.render, this); | |
}, | |
render: function(){ | |
this.el.html(this.template(this.model.selectedThumb().toJSON())); | |
} | |
}); | |
var frontview = new FrontView({model:thumbs}); | |
var ThumbView = Backbone.View.extend({ | |
tagName: 'li', | |
template: _.template('<img src="<%= uri %>" class="<%= state %>" />'), | |
events: { | |
"click" : "selectThumb" | |
}, | |
initialize: function(){ | |
this.model.bind('change', this.render, this); | |
}, | |
render: function(){ | |
console.log('rendering'); | |
$(this.el).html(this.template(this.model.toJSON())); | |
return this; | |
}, | |
selectThumb: function(){ | |
thumbs.select(this.model); | |
} | |
}); | |
var AppView = Backbone.View.extend({ | |
el: $("#container"), | |
render: function(){ | |
_.each(new Thumbs().fetch(), | |
function(t){ | |
$('div ul').append( new ThumbView({model: t}).render().el) | |
}); | |
} | |
}); | |
window.App = new AppView(); | |
window.App.render(); |
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