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<!DOCTYPE html>
<html>
<head>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.6.0/underscore-min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/backbone.stickit/0.8.0/backbone.stickit.min.js"></script>
<script src="main.js"></script>
  <meta charset="utf-8">
  <title>test</title>
</head>
<body>
    <div id="Menu"></div>
    <ol id="Items"></ol>
    <div id="main"></div>
</body>
</html>
 
(function($){
    'use strict';
​
    var Data = Backbone.Model.extend({
        defaults: {
            title: "Default Title"
        },
    });
​
    var ItemForm = Backbone.View.extend({
        template: _.template("<p>Your title: <%= title %></p><input name='title' value=<%= title %> /> <button name='close'>Close</button>"),
        events: {
            'click [name=close]':'closeEditForm'
        },
        bindings: {
            'input[name=title]': { 
                observe: 'title',
                events: ['blur']
            }
        },
        initialize: function () {
            this.listenTo(this.model,'change',this.render);
        },
        render: function() {
            this.$el.html( this.template( this.model.toJSON() ) );
            this.stickit();
            return this;
        },
        closeEditForm: function () {
            // this.undelegateEvents();
            this.unstickit();
            this.remove();
            delete this.$el; // Delete the jQuery wrapped object variable
            delete this.el; // Delete the variable reference to this node  
        }
    });
​
    var Item = Backbone.View.extend({
        tagName: 'li',
        template:  _.template("<%=title %> <button name='removeItem'>Remove</button> <button name='editItem'>Edit</button>"),
        events: {
            'click [name=removeItem]':'removeItem',
            'click [name=editItem]':'editItem'
        },
        initialize: function () {
            this.listenTo(this.model,'change',this.render);
            this.render();
        },
        render: function() {
            this.$el.html( this.template( this.model.toJSON() ) );
            this.stickit();
            return this;
        },
        removeItem: function () {
            // this.undelegateEvents();
            this.unstickit();
            this.remove();
            delete this.$el; // Delete the jQuery wrapped object variable
            delete this.el; // Delete the variable reference to this node
        },
        editItem: function() {
            $('#main').append( new ItemForm({model: this.model }).render().el );
        }
    });
​
    var Menu = Backbone.View.extend({
        el: '#Menu',
        template: "<button name='add'>ADD NEW</button>",
        events: {
            'click [name=add]': '_add'
        },
        initialize: function() {
            this.render();
        },
        render: function(){
            this.$el.html( this.template );
            return this;
        },
        _add: function(){
            var item = new Item({
                    model: new Data()
            });
            $('#Items').append( item.el );
        }
    });
​
    $(document).ready(function() {
        var manu = new Menu();
    });
​
})(jQuery);
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