samplefocus.as

来自「《Flash AS3殿堂之路》光盘源码 学习ActionScript 3.0」· AS 代码 · 共 45 行

package org.kingda.book.display
{
	import flash.display.Sprite;
	import flash.events.FocusEvent;
	import flash.events.MouseEvent;

	public class SampleFocus extends Sprite
	{
		public function SampleFocus() {
			var foo:RectSprite = new RectSprite("Rect", 0xffcc00);
			addChild(foo);
			foo.addEventListener(FocusEvent.FOCUS_IN, focus);
			foo.addEventListener(FocusEvent.FOCUS_OUT, focus);
			foo.addEventListener(FocusEvent.KEY_FOCUS_CHANGE, focus);
			foo.addEventListener(FocusEvent.MOUSE_FOCUS_CHANGE, focus);
			
			var circle:CircleSprite = new CircleSprite();
			circle.name = "circle";
			circle.x = 200;
			circle.y = 200;
			addChild(circle);
			circle.addEventListener(FocusEvent.FOCUS_IN, focus);
			circle.addEventListener(FocusEvent.FOCUS_OUT, focus);
			circle.addEventListener(FocusEvent.KEY_FOCUS_CHANGE, focus);
			circle.addEventListener(FocusEvent.MOUSE_FOCUS_CHANGE, focus);
			circle.addEventListener(MouseEvent.CLICK, click);
			
		}
		private function click(evt:MouseEvent):void {
			trace (evt.type);
		}
		private function focus(evt:FocusEvent):void {
			trace (evt.type + ":"+evt.target + ":" + evt.target.name);
		}
	}
}
	import flash.display.Sprite;
	
class CircleSprite extends Sprite{
	public function CircleSprite() {
		this.graphics.beginFill(0xff0000)
		this.graphics.drawCircle(0,0, 20);
		this.graphics.endFill();
	}
}