www.pudn.com > photoFlow_AS3_001.rar > Component.as

 
package com.flashloaded.as3{ 
 
	import flash.events.Event; 
	import flash.display.Sprite; 
	import flash.display.MovieClip; 
	import flash.utils.*; 
 
	public class Component extends MovieClip{ 
	// Constants: 
	public static  var INIT:String="onInitPhotoFlow"; 
	// Public Properties: 
	// Private Properties: 
		private var _funcs:Array; 
		 
	// Protected Properties: 
	 
		protected var _w:Number; 
		protected var _h:Number; 
		protected var _ctr:Sprite; 
		 
	// Initialization: 
		public function Component() { 
			this.gotoAndStop(1); 
			_funcs=new Array(); 
			 
		} 
 
	 
	// Public Methods: 
	// Semi-Private Methods: 
	// Private Methods: 
		protected function removeChildren(){ 
			//call from subclass init 
			while(numChildren>0){ 
				removeChildAt(0); 
			} 
		} 
		 
	//	Protected 
		protected function doInvalidate(evt:Event):void{ 
			draw(); 
			_ctr.removeEventListener(Event.ENTER_FRAME,doInvalidate); 
		} 
		 
		protected function doLater(func:Function,args:Array=null):void{ 
			_ctr.addEventListener(Event.ENTER_FRAME,doFunction); 
			_funcs.push({func:func,args:args}); 
		} 
		 
		private function doFunction(evt:Event):void{ 
			var i:uint; 
			var func:Function; 
			var args:Array; 
			 
			for(i=0;i<_funcs.length;i++){ 
				 
				func=_funcs[i].func; 
				args=_funcs[i].args; 
				 
				func.apply(this,args); 
				 
				 
			} 
			_funcs=[]; 
			_ctr.removeEventListener(Event.ENTER_FRAME,doFunction); 
		} 
		 
		public function initComp():void{ 
			 
			// call from subclass init 
			 
			//sprite for invalidate use 
			_ctr=new Sprite(); 
			addChild(_ctr); 
			 
			//width,height,scale 
			_w=width; 
			_h=height; 
			scaleX=scaleY=1; 
			 
			createChildren(); 
			doLater(draw); 
			 
		} 
		 
		protected function createChildren():void{ 
			//override 
			 
			 
		} 
		protected function draw():void{ 
			//override 
			 
		} 
		 
		protected function invalidate():void{ 
			_ctr.addEventListener(Event.ENTER_FRAME,doInvalidate); 
			 
		} 
		 
		 
		public function debug(str:*,obj:Object=null):void{ 
			if(!str is String){ 
				str+=""; 
			} 
			if(obj!=null){ 
				trace(getQualifiedClassName(obj)+":"+str); 
			}else{ 
				trace(getQualifiedClassName(this)+":"+str); 
			} 
		} 
	 
		public function get compWidth():Number{ 
			return _w; 
		} 
		public function get compHeight():Number{ 
			return _h; 
		} 
	} 
}