RE: [flexcoders] Re: set node selected on a tree

Mon, 22 May 2006 17:21:24 -0700

I hacked a example from the docs. Looks like it works.


<?xml version="1.0" encoding="utf-8"?>
<!-- Tree control example. -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" >

    <mx:Script>
        <![CDATA[
              import mx.controls.List;
              import mx.collections.ICollectionView;

              import mx.collections.*;

            import       mx.controls.treeClasses.*;
            [Bindable]
            public var selectedNode:Object;

            [Bindable]
            public var XLC:XML;


            // Event handler for the Tree control change event.
            public function initApp(){


            var xm:ITreeDataDescriptor=myTree.dataDescriptor;
            var xml:XMLListCollection=new XMLListCollection(treeData);

             myTree.expandItem(treeData.node[0],true,false);


            var item=treeData.node.node[0];
            myTree.selectedItem=item;


            }

            public function treeChanged(event:Event) : void
            {
                selectedNode=Tree(event.target).selectedItem;
            }
        ]]>
    </mx:Script>

    <mx:XMLList id="treeData">
        <node>
        <node label="Mail Box">
            <node label="Inbox">
                <node label="Marketing"/>
                <node label="Product Management"/>
                <node label="Personal"/>
            </node>
            <node label="Outbox">
                <node label="Professional"/>
                <node label="Personal"/>
            </node>
            <node label="Spam"/>
            <node label="Sent"/>
        </node>
    </node>
    </mx:XMLList>

    <mx:Panel title="Tree Control Example" height="75%" width="75%"
        paddingTop="10" paddingLeft="10" paddingRight="10"
paddingBottom="10">

        <mx:Label text="Select a node in the Tree control."/>

        <mx:HDividedBox width="100%" height="100%">
            <mx:Tree id="myTree" width="50%" height="100%"
labelField="@label"
                showRoot="false" dataProvider="{new
XMLListCollection(treeData)}" change="treeChanged(event)"
creationComplete="initApp()"/>
            <mx:TextArea height="100%" width="50%"
                text="Selected Item: [EMAIL PROTECTED]"/>
        </mx:HDividedBox>

    </mx:Panel>
</mx:Application>




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