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package
{
import flash.display.Sprite;
import flash.geom.Rectangle;
public class ScrollContent extends Sprite
{
// elements
protected var content:Sprite;
protected var scrollbar:Scrollbar;
protected var contentHeight:Number;
/**
* Constructor
*/
public function ScrollContent( clip:Sprite, scroller:Scrollbar, scrollRect:Rectangle )
{
content = clip;
contentHeight = clip.height;
content.scrollRect = scrollRect;
scrollbar = scroller;
scrollbar.addEventListener( SliderEvent.CHANGE, updateContent );
}
public function updateContent( e:SliderEvent ):void
{
var scrollable:Number = contentHeight - content.scrollRect.height;
var sr:Rectangle = content.scrollRect.clone();
sr.y = scrollable * e.percent;
content.scrollRect = sr;
}
}
} |
