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    <p>My solution is based on <code>dojo/store/Memory</code> inspired by <a href="http://dojotoolkit.org/documentation/tutorials/1.7/store_driven_tree/" rel="nofollow noreferrer">Connecting a Store to a Tree</a>:</p> <p><img src="https://i.stack.imgur.com/yMnah.png" alt="enter image description here"></p> <p>You can find live demo at <a href="http://egoworx.com/" rel="nofollow noreferrer">http://egoworx.com/</a> or download complete source from <a href="http://dl.dropbox.com/u/2131149/tree.zip" rel="nofollow noreferrer">dropbox</a>. </p> <p>Now code. First <code>dojo/store/Memory</code>:</p> <pre><code>var data = {"infos":{"address":"my address","phone":"my phone", "gift": false, "now": new Date()},"insurance":{"forks":[14,53,123],"prices":[5,8,"3%"]}}; var store = new Memory({ data: data, mayHaveChildren: function(object) { var type = this.getType(object); return (type == "Object" || type == "Array"); }, getChildren: function(object, onComplete, onError) { var item = this.getData(object); var type = this.getType(object); var children = []; switch(type) { case "Array": children = item; break; case "Object": for (i in item) { children.push({label: i, data: item[i]}); } break; } onComplete(children); }, getRoot: function(onItem, onError) { onItem(this.data); }, getLabel: function(object) { var label = object.label || object + ""; var type = this.getType(object); switch(type) { case "Number": case "String": case "Boolean": case "Date": var data = this.getData(object); if (data != label) { label += ": " + this.getData(object); } } return label; }, getData: function(object) { if (object &amp;&amp; (object.data || object.data === false) &amp;&amp; object.label) { return object.data; } return object; }, getType: function(object) { var item = this.getData(object); if (lang.isObject(item)) { if (lang.isArray(item)) return "Array"; if (lang.isFunction(item)) return "Function"; if (item instanceof Date) return "Date"; return "Object"; } if (lang.isString(item)) return "String"; if (item === true || item === false) return "Boolean"; return "Number"; }, getIconClass: function(object, opened) { return this.getType(object); } }); </code></pre> <p>Please note I added a <em>boolean</em> and <em>Date</em> type to your data.</p> <p><code>dijit/Tree</code> based on this store:</p> <pre><code>var tree = new Tree({ model: store, persist: false, showRoot: false, getIconClass: function(object, opened) { if (lang.isFunction(this.model.getIconClass)) { return this.model.getIconClass(object, opened); } return (!item || this.model.mayHaveChildren(item)) ? (opened ? "dijitFolderOpened" : "dijitFolderClosed") : "dijitLeaf"; } }, "placeholder"); tree.startup(); </code></pre> <p>And finally a stylesheet to display data type icons:</p> <pre><code>.dijitTreeIcon { width: 16px; height: 16px; } .Object { background-image: url(http://dojotoolkit.org/api/css/icons/16x16/object.png); } .Array { background-image: url(http://dojotoolkit.org/api/css/icons/16x16/array.png); } .Date { background-image: url(http://dojotoolkit.org/api/css/icons/16x16/date.png); } .Boolean { background-image: url(http://dojotoolkit.org/api/css/icons/16x16/boolean.png); } .String { background-image: url(http://dojotoolkit.org/api/css/icons/16x16/string.png); } .Number { background-image: url(http://dojotoolkit.org/api/css/icons/16x16/number.png); } </code></pre> <p>I cannot access jsFiddle since I'm currently in China, but I'll put the code above there upon my return to Europe and post a link here.</p>
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    1. COhey man THAT looks pretty good !!! finally someone show me the way I expected (trought model.getChildren so it is progressive, no having to make a whole json copy so not heavy), I thought my question was a little ugly. I begun to be a little discouraged by Dojo. Let me test it a bit one day, but as far as the demo and the clear and complete code you provided, I'll give you the points, it worth it ! many thanks !
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