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    <p>I see absolutely nothing wrong with your approach. The <code>needs</code> is more about a controller relying on another controller, and what you appear to be doing is simply setting the <code>content</code> of an <code>Ember.ArrayController</code>. You'll need to change your implementation slightly to accomodate for <code>this.controllerFor</code> being <strong>@deprecated</strong> in Ember pre 5, but you can achieve this by:</p> <ul> <li>Specifying that the <code>PostsController</code> (and I assume others) require the <code>RevealController</code> using <code>needs</code>;</li> <li>Passing through the instance of <code>RevealController</code> to your <code>openModal</code> event (<code>{{action openModal this controllers.reveal}}</code>).</li> </ul> <p>There are of course other ways to achieve roughly the same thing. However, the advantages I see are as follows:</p> <ul> <li><a href="http://en.wikipedia.org/wiki/Dependency_injection" rel="nofollow">You're using dependency injection</a> in your events, which is great for testing, etc...;</li> <li>Your <code>App.ApplicationRoute</code> doesn't have the responsibility of having to find a controller;</li> </ul> <p>With one disadvantage is that you're going to pass around the <code>RevealController</code> in a handful of controllers that are able to invoke Reveal. I don't particularly see this as a disadvantage though, because if you find yourself specifying the <code>needs: ['reveal']</code> a <strong>lot</strong>, then you can always create an abstract controller which your <code>ArrayController</code>s extend, since <code>needs</code> is a concatenated property (see <code>concatenatedProperties</code> in Ember's <code>Ember.ControllerMixin</code>):</p> <pre><code>App.AbstractController = Ember.ArrayController.extend({ needs: ['reveal'] }); App.PostsController = App.AbstractController.extend({ // Since needs is a concatenated property, PostsController will have // access to 4 controllers: reveal, another, andAnother, andYetAnother. needs: ['another', 'andAnother', 'andYetAnother'] }); </code></pre> <p>What do you think to this?</p> <p>Also, the only non-Ember code you're really using that I can see is: <code>$('#myModal').reveal();</code>. Is there not a way in which you can place the Reveal code into the <code>didInsertElement</code> of the <code>App.RevealView</code>? And then in there you can do something like: <code>this.get('element').reveal();</code> or similar <em>(perhaps a sub-view?)</em>.</p>
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    1. POIs this the correct way for using Reveal with Ember.js?
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    1. USWildhoney
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    1. COThe use of `needs` is clear, but in my [updated example](http://jsfiddle.net/bazzel/y624y/) `controllers.reveal` seems `undefined` (see l36-40). Can't see what I'm doing wrong...
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    2. COGot it working with the latest commit of ember.js (post pre.4). Updated [my example](http://jsfiddle.net/bazzel/Fv7fX/), still has pre.4, so it's only for illustration purposes :) Keeping `openModal` in the Route seems the right place, imo.
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    3. COIn [this example](http://jsfiddle.net/bazzel/bzeKS/) I override RevealView to encapsulate the call to the reveal-method. I think this is what you mean?
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