*HierarchicalData* http://livedocs.adobe.com/flex/3/html/help.html?content=about_dataproviders_6.html
*da uma olhada nisso:* <?xml version="1.0" encoding="iso-8859-1"?> <!-- dpcontrols\CustDataDescriptor.mxml --> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; xmlns="*" creationComplete="initCollections()"> <mx:Script> <![CDATA[ import mx.collections.*; import mx.controls.treeClasses.*; import myComponents.*; /* Variables used to construct the ArrayCollection data provider First top-level node and its children. */ public var nestArray1:Array = [ {label:"item1", children: [ {label:"item1 child", children: [ {label:"item 1 child child", data:"child data"} ]} ]} ]; /* Second top-level node and its children. */ public var nestArray2:Array = [ {label:"item2", children: [ {label:"item2 child", children: [ {label:"item 2 child child", data:"child data"} ]} ]} ]; /* Second top-level node and its children. */ public var nestArray3:Array = [ {label:"item3", children: [ {label:"item3 child", children: [ {label:"item 3 child child", data:"child data"} ]} ]} ]; /* Variable for the tree array. */ public var treeArray:Array /* Variables for the three Array collections that correspond to the top-level nodes. */ public var col1:ArrayCollection; public var col2:ArrayCollection; public var col3:ArrayCollection; /* Variable for the ArrayCollection used as the Tree data provider. */ [Bindable] public var ac:ArrayCollection; /* Build the ac ArrayCollection from its parts. */ public function initCollections():void{ /* Wrap each top-level node in an ArrayCollection. */ col1 = new ArrayCollection(nestArray1); col2 = new ArrayCollection(nestArray2); col3 = new ArrayCollection(nestArray3); /* Put the three top-level node ArrayCollections in the treeArray. */ treeArray = [ {label:"first thing", children: col1}, {label:"second thing", children: col2}, {label:"third thing", children: col3}, ]; /* Wrap the treeArray in an ArrayCollection. */ ac = new ArrayCollection(treeArray); } /* Adds a child node as the first child of the selected node, if any. The default selectedItem is null, which causes the data descriptor addChild method to add it as the first child of the ac ArrayCollection. */ public function clickAddChildren():void { var newChild:Object = new Object(); newChild.label = "New Child"; newChild.children = new ArrayCollection(); tree.dataDescriptor.addChildAt(tree.selectedItem, newChild, 0, ac); } ]]> </mx:Script> <mx:Tree width="200" id="tree" dataProvider="{ac}" dataDescriptor="{new MyCustomTreeDataDescriptor()}"/> <mx:Button label="Add Child" click="clickAddChildren()"/> </mx:Application> --~--~---------~--~----~------------~-------~--~----~ Você recebeu esta mensagem porque está inscrito na lista "flexdev" Para enviar uma mensagem, envie um e-mail para [email protected] Para sair da lista, envie um email em branco para [email protected] Mais opções estão disponíveis em http://groups.google.com/group/flexdev -~----------~----~----~----~------~----~------~--~---
