OpenRuby.com

15 Jun '12, 6am

Simplifying View-View Events in Backbone using the Mediator Pattern

In most single-page apps, you will inevitably end up having multiple views on one page at a time. It usually starts out with just one view, and then that view needs to bind to events on a subview, and then the subview gets its own subview who will also trigger events that affect the top-level view... When you have one view that ties to one model, the standard way to set up the binding in Backbone looks something like MyView = Backbone.View.extend({ initialize: function() { this.model.bind("change:someProp", this.render, this); } // ... }); You might later find yourself binding view events in the same way: MySubView = Backbone.View.extend({ events: { "click li.foo": "fooSelected" }, fooSelected: function(e) { this.trigger("foo:selected", new Foo({id: $(e.target).data("fooId") })); } // ... }); MyView = Backbone.View.extend({ initialize: function() { this.model.bind("change:...

Full article: http://pivotallabs.com/users/mrushakoff/blog/articles/216...

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