Use groupIconFunction to display a custom icon for navigation tree top level node : Tree « Components « Flex






Use groupIconFunction to display a custom icon for navigation tree top level node

Use groupIconFunction to display a custom icon for navigation tree top level node
      

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    <!-- dpcontrols/adg/SimpleHierarchicalADGGroupIcon.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
    xmlns:mx="library://ns.adobe.com/flex/mx" xmlns:s="library://ns.adobe.com/flex/spark">
    <fx:Script> 
         
        import mx.collections.ArrayCollection; 
        [Bindable] 
        private var dpHierarchy:ArrayCollection = new ArrayCollection([ 
        {Region:"Southwest", children: [ 
            {Region:"Arizona", children: [ 
                {Territory_Rep:"Barbara Jennings", Actual:38865, Estimate:40000}, 
                {Territory_Rep:"Dana Binn", Actual:29885, Estimate:30000}]}, 
                {Region:"Central California", children: [ 
                    {Territory_Rep:"Joe Smith", Actual:29134, Estimate:30000}]}, 
                    {Region:"Nevada", children: [ 
                        {Territory_Rep:"Bethany Pittman", Actual:52888, Estimate:45000}]}, 
                        {Region:"Northern California", children: [ 
                            {Territory_Rep:"Lauren Ipsum", Actual:38805, Estimate:40000}, 
                            {Territory_Rep:"T.R. Smith", Actual:55498, Estimate:40000}]}, 
                            {Region:"Southern California", children: [ 
                                {Territory_Rep:"Alice Treu", Actual:44985, Estimate:45000}, 
                                {Territory_Rep:"Jane Grove", Actual:44913, Estimate:45000}]} 
            ]} 
        ]);
         
        // Embed the icon for the groups. 
        [Bindable] 
        [Embed(source="a.png")] 
        public var icn:Class; 
        // Define the groupIconFunction callback function. 
        public function myIconFunc(item:Object, depth:int):Class { 
            if(depth == 1) 
                // If this is the top-level of the tree, return the icon. 
                return icn; 
            else 
                // If this is any other level, return null. 
            return null; 
        } 
      
    </fx:Script>
    <mx:AdvancedDataGrid width="100%" height="100%"
        groupIconFunction="myIconFunc">
        <mx:dataProvider>
            <mx:HierarchicalData source="{dpHierarchy}" />
        </mx:dataProvider>
        <mx:columns>
            <mx:AdvancedDataGridColumn dataField="Region" />
            <mx:AdvancedDataGridColumn dataField="Territory_Rep"
                headerText="Territory Rep" />
            <mx:AdvancedDataGridColumn dataField="Actual" />
            <mx:AdvancedDataGridColumn dataField="Estimate" />
        </mx:columns>
    </mx:AdvancedDataGrid>
</s:Application>

   
    
    
    
    
    
  








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