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POHow should I do a redirect to a path with an object in ember?
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  1. POHow should I do a redirect to a path with an object in ember?
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    copied!<p>I'm trying to put together a data-driven menu system in Ember.js. Here's the javascript, <code>js/nodal.js</code>:</p> <pre class="lang-js prettyprint-override"><code>window.Form = Ember.Application.create(); var menuOptions = [ {id: "root", options: [ "a", "b" ]}, {id: "a", name: "Option A", options: [ "c", "d" ]}, {id: "b", name: "Option B", options: [ "e", "f" ]}, {id: "c", name: "Option C"}, {id: "d", name: "Option D"}, {id: "e", name: "Option E"}, {id: "f", name: "Option F"} ] Form.MenuOption = Ember.Object.extend({}); var builtOptions = menuOptions.map( function(attrs) { return Form.MenuOption.create( attrs ); }); Form.options = {}; for( i = 0; i &lt; builtOptions.length; i++ ) { var opt = builtOptions[i]; Form.options[opt.id] = opt; } Form.MenuRoute = Ember.Route.extend({ model: function(params){ console.log( params ); if( !params || !params.index_id || params.index_id == "undefined") { params.index_id = "root"; } var keys = Form.options[params.index_id].options; var options = new Array(); keys.map(function(k){ options.push( Form.options[k] ); }); return options; } }); Form.IndexRoute = Ember.Route.extend({ redirect: function(){ /* This here is the problem line... */ this.transitionTo( "menu", Form.options.root ); } }); Form.Router.map(function(){ this.resource( "menu", { path: "/menu/:index_id" } ); }); </code></pre> <p>And here's the HTML, such as it is:</p> <p> </p> <pre><code> &lt;title&gt;Hello&lt;/title&gt; &lt;meta name="description" content="My First Ember.js App"&gt; &lt;meta name="author" content="Your Name Here"&gt; &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt; &lt;/head&gt; &lt;body&gt; &lt;script data-template-name="application" type="text/x-handlebars"&gt; &lt;h1&gt;Title Goes Here&lt;/h1&gt; {{outlet}} &lt;/script&gt; &lt;script data-template-name="menu" type="text/x-handlebars"&gt; &lt;ul&gt; {{#each controller}} &lt;li&gt;{{#linkTo menu this}}{{name}}{{/linkTo}}&lt;/li&gt; {{/each}} &lt;/ul&gt; &lt;/script&gt; &lt;script src="js/libs/jquery-1.9.1.js"&gt;&lt;/script&gt; &lt;script src="js/libs/handlebars.js"&gt;&lt;/script&gt; &lt;script src="js/libs/ember-1.0.0-rc.1.js"&gt;&lt;/script&gt; &lt;script src="js/nodal.js"&gt;&lt;/script&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>What I want is for the user to be redirected to <code>/menu/root</code> as soon as they open the page. So far I haven't been able to find the right incantation to make this work. When I load the above, I get this exception:</p> <pre><code>Error: assertion failed: an Ember.CollectionView's content must implement Ember.Array. You passed &lt;(generated menu controller):ember172&gt; </code></pre> <p>If I load <code>index.html#/menu/root</code> directly, it works - it's only the redirect that's not working. Replacing the <code>this.transitionTo</code> line in the IndexRoute definition with this:</p> <pre class="lang-js prettyprint-override"><code>this.transitionTo( "menu", [Form.options.root] ); </code></pre> <p><em>does</em> redirect, but it redirects to <code>/menu/undefined</code>, not <code>/menu/root</code>. That's ugly, and obviously broken.</p> <p>What have I missed?</p> <p><strong>EDIT</strong></p> <p>As suggested, I tried adding an ArrayController:</p> <pre><code>Form.MenuController = Ember.ArrayController.extend({}); </code></pre> <p>This gives me a new error:</p> <pre><code>arrangedContent.addArrayObserver is not a function </code></pre>
 

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