[flexcoders] Re: Override drawHighlightIndicator

[Brad Keck]

--- In flexcoders@yahoogroups.com, "Brad Keck" <bradley_k...@...> 
wrote:
>
> I am having a weird problem.  I have created a custom list class in 
> order to customize the highlight behavior of the list.  Everything 
> seems to be working great EXCEPT when I use the *mouse wheel* to 
> scroll, my highlighting gets off.  (The wrong item in the list is 
> highlighted as I roll over items.)
> 
> Any ideas of what might be going on here?
> 
> 
> 
> 
> Here is my code:
> 
> override protected function drawHighlightIndicator
(indicator:Sprite, 
> x:Number, y:Number, width:Number, height:Number, color:uint, 
> itemRenderer:IListItemRenderer):void
> {
>     var g:Graphics = Sprite(indicator).graphics;
>     g.clear();
>     g.beginFill(color);
>     g.drawRoundRect(x,y+8,width-10,height-16,20,20);
>     g.endFill();
> }
> 
> 
> And for comparison, here is the code in listBase.as:
> 
> protected function drawHighlightIndicator(indicator:Sprite, 
x:Number, 
> y:Number, width:Number, height:Number, 
> color:uint, itemRenderer:IListItemRenderer):void
> {
>     var g:Graphics = Sprite(indicator).graphics;
>     g.clear();
>     g.beginFill(color);
>     g.drawRect(0, 0, width, height);
>     g.endFill();
>         
>     indicator.x = x;  (I have tried adding these lines in,
>     indicator.y = y;   but they just screw things up bad.)
> }
>

In case anybody ever stumbles on something similar, I figured out the 
problem.  I needed to match the overridden function more closely.  
Here was my final code that worked correctly:

override protected function drawHighlightIndicator(indicator:Sprite, 
x:Number, y:Number, width:Number, height:Number, color:uint, 
itemRenderer:IListItemRenderer):void
{                       
        var g:Graphics = Sprite(indicator).graphics;
        g.clear();
        g.beginFill(color);
        g.drawRoundRect(0,0,width-10,height-16,20,20);
        g.endFill();
                
        indicator.x = x;
        indicator.y = y+8;
}