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Recent Comments

  • Flex Tutorial - Change the List Selection Indicator
    08/03/2010 - 15:06

    I've been playing with your example and I'm finding that when I extend the list with your code that I get some alignment and width issues when a scroll bar is present with my newly overridden drawSelectionIndicator. I don't see this issue when I use the standard list component. Have you noticed this at all?

    <test:ControlableListHighlight dataProvider="{arrayCollection}" creationComplete="genListItems(event)" width="100%" rollOverColor="0x438ece" height="100%"/>

    package test
    {
            import flash.display.GradientType;
            import flash.display.Graphics;
            import flash.display.Sprite;
            import flash.geom.Matrix;

            import mx.controls.List;
            import mx.controls.listClasses.IListItemRenderer;

            public class ControlableListHighlight extends List
            {
                    override protected function drawSelectionIndicator(indicator:Sprite, x:Number, y:Number, width:Number, height:Number, color:uint, itemRenderer:IListItemRenderer):void
                    {
                            var selectionColorArray:Array=[0x65b6fc, 0xb3e1ff];
                            var selectionGradientType:String=GradientType.LINEAR;
                            var selectionGradientAlphas:Array=[1, .5];
                            var selectionRatioArray:Array=[0, 255];
                            var selectionMatrix:Matrix=null;
                            var selectionCornerRadiusWidth:int=0;
                            var selectionCornerRadiusHeight:int=0;

                            var g:Graphics=indicator.graphics;
                            g.clear();
                            g.beginGradientFill(selectionGradientType, selectionColorArray, selectionGradientAlphas, selectionRatioArray, selectionMatrix);
                            //g.drawRect(0, 0, width, height);
                            g.drawRoundRect(0,0,width,height,selectionCornerRadiusWidth,selectionCornerRadiusHeight);
                            g.endFill();

                            indicator.x=x;
                            indicator.y=y;
                    }
            }
    }

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