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fixed up backbone example
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> | |
<title>Backbone example</title> | |
<script type="text/javascript" src="jquery.min.js"></script> | |
<script type="text/javascript" src="underscore.js"></script> | |
<script type="text/javascript" src="backbone.js"></script> | |
<script type="text/javascript" src="mustache.js"></script> | |
<script type="text/javascript"> | |
var Movie = Backbone.Model.extend({ | |
validate: function(attrs) { | |
if (attrs.title) { | |
if (!_.isString(attrs.title) || attrs.title.length === 0) { | |
return 'Title must be a string with a length'; | |
} | |
} | |
} | |
}); | |
var MovieCollection = Backbone.Collection.extend({ | |
model: Movie | |
}); | |
var MovieView = Backbone.View.extend({ | |
initialize: function(args) { | |
_.bindAll(this, 'changeTitle'); | |
this.model.bind('change:title', this.changeTitle); | |
}, | |
events: { | |
'click .title': 'handleTitleClick' | |
}, | |
render: function() { | |
var template = '\ | |
<li id="movie_{{ cid }}"><span class="title">{{ title }}</span> <span>{{ format }}</span> <a href="#movies/remove/{{ cid }}">x</a></li>\ | |
'; | |
var context = _.extend(this.model.toJSON(), {cid: this.model.cid}); | |
$(this.el).html(Mustache.to_html(template, context)); | |
return this; | |
}, | |
changeTitle: function() { | |
this.$('.title').text(this.model.get('title')); | |
}, | |
handleTitleClick: function() { | |
alert('you clicked the title: '+this.model.get('title')); | |
} | |
}); | |
var MovieAppModel = Backbone.Model.extend({ | |
initialize: function() { | |
this.movies = new MovieCollection(); | |
} | |
}); | |
var MovieAppView = Backbone.View.extend({ | |
initialize: function() { | |
_.bindAll(this, "addMovie", "removeMovie"); | |
this.model.movies.bind('add', this.addMovie); | |
this.model.movies.bind('remove', this.removeMovie); | |
}, | |
render: function() { | |
var template = '\ | |
<h1>Movie App</h1>\ | |
<a href="#movies/add">add new movie</a>\ | |
<ul id="movieList"></ul>'; | |
$(this.el).html(Mustache.to_html(template, this.model.toJSON())); | |
this.movieList = this.$('#movieList'); | |
return this; | |
}, | |
addMovie: function(movie) { | |
var view = new MovieView({model: movie}); | |
this.movieList.append(view.render().el); | |
}, | |
removeMovie: function(movie) { | |
this.$('#movie_'+movie.cid).remove(); | |
} | |
}); | |
var MovieAppController = Backbone.Controller.extend({ | |
initialize: function(params) { | |
this.model = new MovieAppModel(); | |
this.view = new MovieAppView({model: this.model}); | |
params.append_at.append(this.view.render().el); | |
}, | |
routes: { | |
"movies/add": "add", | |
"movies/remove/:number": "remove", | |
}, | |
add: function() { | |
app.model.movies.add(new Movie({ | |
title: 'The Matrix ' + Math.floor(Math.random()*11), | |
format: 'dvd', | |
}) | |
); | |
this.saveLocation(); // reset location so we can trigger again | |
}, | |
remove: function(cid) { | |
app.model.movies.remove(app.model.movies.getByCid(cid)); | |
}, | |
}); | |
$(function() { | |
var movieApp = new MovieAppController({append_at: $('body')}); | |
window.app = movieApp; | |
Backbone.history.start(); | |
}); | |
</script> | |
</head> | |
<body> | |
</body> | |
</html> |
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