Search a Tree
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" verticalAlign="middle">
<mx:Script>
import mx.controls.Alert;
import mx.collections.XMLListCollection;
[Bindable]
private var searchResult:XMLList;
private var searchResultIndex:uint = 0;
private function findByName(event:MouseEvent):void
{
var searchStr:String = "A1";
tree.expandChildrenOf(data[0], false);
searchResult = data.node.node.(@name.toLowerCase().search(searchStr.toLowerCase()) > -1);
searchResultIndex = 0;
if (searchResult[searchResultIndex] != undefined)
expandNode(searchResult[searchResultIndex]);
}
private function expandNode(xmlNode:XML):void
{
while (xmlNode.parent() != null) {
xmlNode = xmlNode.parent();
tree.expandItem(xmlNode, true, false);
tree.selectedItem = searchResult[searchResultIndex];
}
}
</mx:Script>
<mx:XMLList id="data">
<node>
<node name="A">
<node name="A1" surname="a1" age="21" wage="1200"/>
<node name="A2" surname="a2" age="22" wage="1000"/>
<node name="A3" surname="a3" age="23" wage="1200"/>
<node name="A4" surname="a4" age="24" wage="1500"/>
</node>
<node name="B">
<node name="B1" surname="b1" age="21" wage="1900"/>
<node name="B2" surname="b2" age="22" wage="1500"/>
<node name="B3" surname="b3" age="23" wage="1200"/>
</node>
<node name="C">
<node name="C1" surname="c1" age="29" wage="1500"/>
<node name="C2" surname="c2" age="45" wage="1500"/>
<node name="A1" surname="c3" age="25" wage="1300"/>
</node>
</node>
</mx:XMLList>
<mx:VBox>
<mx:Button label="Search by name" click="findByName(event)" />
<mx:Tree id="tree" width="100%" height="100%"
showRoot="false" dataProvider="{data}"
labelField="@name" />
</mx:VBox>
</mx:Application>
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