Clearing selections : Plot Chart « Chart « Flex






Clearing selections

Clearing selections
          

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    <!-- charts/ClearItemSelection.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"
    creationComplete="initApp();" height="600">

    <fx:Script> 
         
        import flash.events.KeyboardEvent; 
        import mx.core.FlexGlobals; 
    import mx.collections.ArrayCollection;
    [Bindable]
    public var expenses:ArrayCollection = new ArrayCollection([
      {Month:"Jan", Profit:20, Expenses:15, Amount:145},
      {Month:"Feb", Profit:1, Expenses:2, Amount:60},
      {Month:"Mar", Profit:15, Expenses:5, Amount:3}
      ]);
        
        private function initApp():void { 
            FlexGlobals.topLevelApplication.addEventListener(KeyboardEvent.KEY_UP, keyHandler); 
        } 
        // Clears all chart items selected when the user presses the ESC key. 
        private function keyHandler(event:KeyboardEvent):void { 
            var curKeyCode:int = event.keyCode; 
            if (curKeyCode == 27) { // 27 is the keycode value for ESC 
                myChart.clearSelection(); 
            } 
        } 
      
    </fx:Script>
    <s:layout>
        <s:VerticalLayout />
    </s:layout>
    <s:Panel height="100%" width="100%">
        <s:layout>
            <s:VerticalLayout />
        </s:layout>
        <mx:PlotChart id="myChart" height="207" width="350"
            showDataTips="true" dataProvider="{expenses}"
            selectionMode="multiple">
            <mx:series>
                <mx:PlotSeries id="series1" xField="Expenses" yField="Profit"
                    displayName="Expenses/Profit" selectable="true" />
                <mx:PlotSeries id="series2" xField="Amount" yField="Expenses"
                    displayName="Amount/Expenses" selectable="true" />
                <mx:PlotSeries id="series3" xField="Profit" yField="Amount"
                    displayName="Profit/Amount" selectable="true" />
            </mx:series>
        </mx:PlotChart>
        <mx:Legend dataProvider="{expenses}" width="200" />
        <s:Label text="Press ESC to clear selection." />
    </s:Panel>
</s:Application>

   
    
    
    
    
    
    
    
    
    
  








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