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POLeft-side navigationView in Sencha Touch Framework (A question about Ext.data.TreeStore)
 

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  1. POLeft-side navigationView in Sencha Touch Framework (A question about Ext.data.TreeStore)
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    <p>I want to dynamically set up the left-side navigation menu just like iPad-style.<br> So, I make some modification on the demo example. You could also visit this official example <a href="http://pydictionary.appspot.com/" rel="nofollow">here</a>.</p> <pre><code>sink.StructureStore = new Ext.data.TreeStore({ model: 'Demo', //root: { // items: sink.Structure //}, proxy: { type: 'ajax', url: 'words.json', reader: { type: 'json', root: 'items' } } }); </code></pre> <p>For easier implementation, I try to get the JSON data from the "words.json". (Ideally, JSONP type is better...tried, but no luck.)</p> <p>Here is the content of "words.json":</p> <pre><code>{ text: 'User Interface', cls: 'launchscreen', items: [{ text: 'Buttons', card: demos.Buttons, source: 'src/demos/buttons.js', leaf: true }, { text: 'Forms', card: demos.Forms, source: 'src/demos/forms.js', leaf: true }, { text: 'List', card: demos.List, source: 'src/demos/list.js', leaf: true }] } </code></pre> <p>It ends up nothing appearing. What's wrong? Do I mistake it? (API <a href="http://dev.sencha.com/deploy/touch/docs/source/TreeStore.html#cls-Ext.data.TreeStore" rel="nofollow">here</a>)</p> <h3>What do I want to do?</h3> <p>Like a dictionary, left side are those navigation items of word. On clicking it, the meaning of the word will be showed in right-side view. </p> <p>I can't run NestedList example in <a href="http://www.sencha.com/products/touch/download/" rel="nofollow"> sencha framework</a>. <strong>Clicking on the table cell and push another view on it</strong> (i.e., in Sencha: NestedList) is what I want to do.</p> <h3>Have tried and no luck:</h3> <ol> <li>use the NestedList example </li> <li>replace proxy with ScriptTagProxy (JSONP)</li> <li>use easier proxy implementation (showed in the code)</li> </ol> <p>I am not so sure whether my description is clear enough or not, feel free to tell me which part is unclear. And thanks in advance!</p>
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