flight framework Flash Binding Class

在Flex可以使用Binding來挷定數值
當來源的值有更改時, 有挷定的物件變數也會同步更新
現在Flash也可以有類似的效果了
官網：http://www.flightxd.com/flightframework/
Code下載
透過該類別
即可使用
Bind.addBinding(目標物件, 挷定的屬性, 來源物件, 來源常件的屬性);
當來源的屬性值有更動時, 目標物件的屬性值也會同部更新
但該類別需要在Flex或是FlashCS4下才能發怖
完整程式碼：

<br />package { <br /> <br /> import flash.display.Sprite;<br /> import flash.events.Event;<br /> import flash.events.TimerEvent;<br /> import flash.text.TextField;<br /> import flash.text.TextFormat;<br /> import flash.utils.Timer;<br /> import flight.binding.Bind;<br /> import flight.events.PropertyEvent;<br /> <br /> [SWF(width = "950", height = "500", frameRate = "41", backgroundColor = "#000000", pageTitle = "milkmidi.com")] <br /> public class BindDemo extends Sprite{<br /> <br /> private var _source :Number = 0;<br /> private var _targetText :TextField = new TextField();<br /> private var _displayText:TextField = new TextField();<br /> private var _ball :Ball;<br /> <br /> //_________________________Constructor<br /> public function BindDemo() {<br /> var _textFormat:TextFormat = new TextFormat("Arial", 14, 0xffffff); <br /> _targetText.defaultTextFormat = _textFormat; <br /> _targetText.y = 40;<br /> this.addChild(_targetText);<br /> _displayText.width = 400;<br /> _displayText.defaultTextFormat = _textFormat;<br /> _displayText.y = 80; <br /> this.addChild(_displayText);<br /> <br /> <br /> <br /> <br /> _ball = new Ball();<br /> this.addChild(_ball);<br /> <br /> Bind.addBinding(_targetText, "text", this, "source"); <br /> //挷定值<br /> Bind.addBinding(_ball, "x", this, "source"); <br /> Bind.addListener(bindHandler, this, "source");<br /> //挷定Function<br /> <br /> var _timer:Timer = new Timer(100);<br /> _timer.addEventListener(TimerEvent.TIMER, timeHandler);<br /> _timer.start();<br /> }<br /> <br /> private function bindHandler(e:PropertyEvent):void{ <br /> _displayText.text = ("property:" + e.property + " oldValue:" + e.oldValue+ " newValue:" + e.newValue);<br /> }<br /> <br /> private function timeHandler(e:TimerEvent):void {<br /> this.source++;<br /> } <br /> //_________________________setter getter<br /> public function get source():Number{<br /> return _source;<br /> } <br /> public function set source(value:Number):void{<br /> var oldValue:Number = _source;<br /> _source = value; <br /> PropertyEvent.dispatchChange(this, "source", oldValue, _source);<br /> }<br /> }<br /> <br />}<br />import flash.display.Sprite<br />internal class Ball extends Sprite {<br /> public function Ball(radius:Number=40, color:uint=0xff0000) {<br /> graphics.beginFill(color);<br /> graphics.drawCircle(0, 0, radius);<br /> graphics.endFill();<br /> } <br />}<br />
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