TitleWindow.doc

TitleWindow放大放小还原关闭拖拽放大窗体（原创）2010-08-26 15:36ReSizeTitleWinAs.aspackage eko.containersimport flash.display.DisplayObject;import flash.events.Event;import flash.events.MouseEvent;import flash.geom.Point;import mx.containers.TitleWindow;import mx.controls.Button;import mx.core.Application;import mx.core.FlexGlobals;import mx.managers.CursorManager;import mx.managers.PopUpManager;public class ReSizeTitleWinAs extends TitleWindow/ Event(name=myClose)/ Event(name=myMax)/ Event(name=myMin)/ Event(name=myRestore)private var btnClose:Button;/关闭按钮private var btnMin:Button;/最小化按钮private var btnMax:Button;/最大化按钮private var btnRestore:Button;/还原按钮private var theStatus:int=0;/窗口状态，0正常 1最大化 2最小化；private var isReSize:Boolean;/是否允许缩放private var theMinWidth:Number=200;/窗口最小宽度private var theMinHeight:Number=200;/窗口最大高度private var theOldPoint:Point;/改变大小前窗口的x，y坐标private var theOldWidth:Number;/最大最小化时的宽private var theOldHeight:Number;/最大最小化时的高/初始化窗体宽，高，x，yprivate var initWidth:Number;private var initHeight:Number;private var initX:Number;private var initY:Number;private var mouseMargin:Number=4;/拖动时候响应范围/设置光标的位置值 右上：3 右下：6 左下：11 左上8private var theSide:Number=0;private var SIDE_OTHER:Number=0;private var SIDE_TOP:Number=1;private var SIDE_RIGHT:Number=2;private var SIDE_LEFT:Number=7;private var SIDE_BOTTOM:Number=4;/当前鼠标光标类public var currentType:Class=null;/按钮图标Embed(/assets/images/Buttonclose.png)private var IconClose:Class;Embed(/assets/images/Buttonmaximize.png)private var IconMax:Class;Embed(/assets/images/Buttonminimize.png)private var IconMin:Class;Embed(/assets/images/Buttonrestore.png)private var IconRestore:Class;/鼠标光标图标Embed(/assets/images/resizeCursorH.gif)private var CursorH:Class;Embed(/assets/images/resizeCursorTLBR.gif)private var CursorR:Class;Embed(/assets/images/resizeCursorTRBL.gif)private var CursorL:Class;Embed(/assets/images/resizeCursorV.gif)private var CursorV:Class;private var CursorNull:Class=null;public function ReSizeTitleWinAs()super();/* override 重载TitleWindow的createChildren方法* Title添加放大，放小，还原，关闭按钮* 添加按钮监听事件* 设置按钮样式图片* 添加窗体拖动监听事件* */protected override function createChildren():voidsuper.createChildren();btnClose=new Button();/关闭按钮btnMin=new Button();/最小化按钮btnMax=new Button();/最大化按钮btnRestore=new Button();/还原按钮/设置按钮的样式btnClose.setStyle(upIcon,IconClose);btnMin.setStyle(upIcon,IconMin);btnMax.setStyle(upIcon,IconMax);btnRestore.setStyle(upIcon,IconRestore);btnClose.setStyle(downIcon,IconClose);btnMin.setStyle(downIcon,IconMin);btnMax.setStyle(downIcon,IconMax);btnRestore.setStyle(downIcon,IconRestore);btnClose.setStyle(overIcon,IconClose);btnMin.setStyle(overIcon,IconMin);btnMax.setStyle(overIcon,IconMax);btnRestore.setStyle(overIcon,IconRestore);/加载按钮rawChildren.addChild(btnClose);rawChildren.addChild(btnMin);rawChildren.addChild(btnMax);rawChildren.addChild(btnRestore);/监听按钮事件btnClose.addEventListener(MouseEvent.CLICK,onCloseClick);btnMin.addEventListener(MouseEvent.CLICK,onMinClick);btnMax.addEventListener(MouseEvent.CLICK,onMaxClick);btnRestore.addEventListener(MouseEvent.CLICK,onReClick);btnRestore.visible=false;/侦听拖拽相关的事件this.addEventListener(MouseEvent.MOUSE_MOVE,onMouseMove);this.addEventListener(MouseEvent.MOUSE_OUT,onMouseOut);this.addEventListener(MouseEvent.MOUSE_DOWN,onMouseDown);/记录初始化时候的窗体信息initWidth=this.width;initHeight=this.height;initX=this.x;initY=this.y;/* 通过设置此容器子项的位置和大小来响应大小更改。* 定义添加按钮的位置，大小* param unscaledWidth:Number* param unscaledHeight:Number* */protected override function updateDisplayList(unscaledWidth:Number,unscaledHeight:Number):void/按钮布局super.updateDisplayList(unscaledWidth,unscaledHeight);var AssetClose:DisplayObject=btnClose.getChildByName(upIcon);var AssetWidth:int=AssetClose.width+5;var AssetHeight:int=AssetClose.height+5;/设置按钮样式btnClose.setActualSize(AssetWidth,AssetHeight);btnMin.setActualSize(AssetWidth,AssetHeight);btnMax.setActualSize(AssetWidth,AssetHeight);btnRestore.setActualSize(AssetWidth,AssetHeight);var fromTop:int=10;var fromRight:int=10;var theX:int=unscaledWidth-AssetWidth-fromRight;var theY:int=fromTop;btnClose.move(theX,theY);btnMax.move(theX-18,theY);btnMin.move(theX-34,theY);btnRestore.move(theX-18,theY);/* 窗体关闭事件 * param event:MouseEvent* */private function onCloseClick(event:MouseEvent):voidbtnMax.visible=true;btnRestore.visible=false;PopUpManager.removePopUp(this);theStatus=0;/ this.dispatchEvent(new Event(myClose);/* 窗体缩小事件 * param event:MouseEvent* */private function onMinClick(event:MouseEvent):voidonSaveRestore();this.x=0;this.y=0;this.width=250;this.height=50;/ this.dispatchEvent(new Event(myMin);theStatus=2;/* 窗体放大事件 * param event:MouseEvent* */private function onMaxClick(event:MouseEvent):voidonSaveRestore();/ this.dispatchEvent(new Event(myMax);this.width=stage.stageWidth;this.height=stage.stageHeight-20;this.x=0;this.y=0;this.isPopUp=false;btnMax.visible=false;btnRestore.visible=true;theStatus=1;/* 窗体还原事件 * param event:MouseEvent* */private function onReClick(event:MouseEvent):voidonGetRestore();/ this.dispatchEvent(new Event(myRestore);/还原按钮代码this.width=initWidth;this.height=initHeight;this.x=initX;this.y=initY;this.isPopUp=true;btnMax.visible=true;btnRestore.visible=false;theStatus=0;/* 当鼠标拖放完毕时候移除拖大窗体事件 * param event:MouseEvent* */private function onMouseUp(event:MouseEvent):voidif(isReSize)FlexGlobals.topLevelApplication.parent.removeEventListener(MouseEvent.MOUSE_UP,onMouseUp);FlexGlobals.topLevelApplication.parent.removeEventListener(MouseEvent.MOUSE_MOVE,onResize);isReSize=false;/改变鼠标为指针鼠标图标onChangeCursor(CursorNull);/* 当鼠标按下的时候添加拖动窗口大小事件 * param event:MouseEvent* */private function onMouseDown(event:MouseEvent):voidif(theSide!=0)isReSize=true;FlexGlobals.topLevelApplication.parent.addEventListener(MouseEvent.MOUSE_UP,onMouseUp);FlexGlobals.topLevelApplication.parent.addEventListener(MouseEvent.MOUSE_MOVE,onResize);/记录窗体位置var point:Point=new Point();point=this.localToContent(point);theOldPoint=point;/* 鼠标拖动重置窗口位置大小 * param event:MouseEvent* */private function onResize(event:MouseEvent):voidif(isReSize)/获取拖动后最终位置var xPlus:Number=FlexGlobals.topLevelApplication.parent.mouseX-this.x;var yPlus:Number=FlexGlobals.topLevelApplication.parent.mouseY-this.y;/根据不同的角度的拖动改变窗体大小switch(theSide)case SIDE_RIGHT+SIDE_BOTTOM:this.width=xPlustheMinWidth?xPlus:theMinWidth;this.height=yPlustheMinHeight?yPlus:theMinHeight;break;case SIDE_LEFT+SIDE_TOP:this.width=this.width-xPlustheMinWidth?this.width-xPlus:theMinWidth;this.height=this.height-yPlustheMinHeight?this.height-yPlus:theMinHeight;this.x=this.widththeMinWidth?FlexGlobals.topLevelApplication.parent.mouseX:this.x;this.y=this.heighttheMinHeight?FlexGlobals.topLevelApplication.parent.mouseY:this.y;break;case SIDE_LEFT+SIDE_BOTTOM:this.width=this.width-xPlustheMinWidth?this.width-xPlus:theMinWidth;this.height=yPlustheMinHeight?yPlus:theMinHeight;this.x=this.widththeMinWidth?FlexGlobals.topLevelApplication.parent.mouseX:this.x;break;case SIDE_RIGHT+SIDE_TOP:this.width=xPlustheMinWidth?xPlus:theMinWidth;this.height=this.height-yPlustheMinHeight?this.height-yPlus:theMinHeight;this.y=this.heighttheMinHeight?FlexGlobals.topLevelApplication.parent.mouseY:this.y;break;case SIDE_RIGHT:this.width=xPlustheMinWidth?xPlus:theMinWidth;break;case SIDE_LEFT:this.width=this.width-xPlustheMinWidth?this.width-xPlus:theMinWidth;this.x=this.widththeMinWidth?FlexGlobals.topLevelApplication.parent.mouseX:this.x;break;case SIDE_BOTTOM:this.height=yPlustheMinHeight?yPlus:theMinHeight;break;case SIDE_TOP:this.height=this.height-yPlustheMinHeight?this.height-yPlus:theMinHeight;this.y=this.heighttheMinHeight?FlexGlobals.topLevelApplication.parent.mouseY:this.y;break;/* 当鼠标移动到窗体外边，设置鼠标图标还原 指针图标* param event:MouseEvent* */private function onMouseOut(event:MouseEvent):voidif(!isReSize&this.theStatus=0)theSide=0;onChangeCursor(CursorNull);this.isPopUp=true;/* 根据鼠标的拖动判断鼠标拖动方向和拖动后窗体的大小* param event:MouseEvent* */private function onMouseMove(event:MouseEvent):voidif(!theStatus)var point:Point=new Point();point=this.localToGlobal(point);var xPosition:Number=FlexGlobals.topLevelApplication.parent.mouseX;var yPosition:Number=FlexGlobals.topLevelApplication.parent.mouseY;/根据鼠标位置判断在窗体的什么位置if(xPosition=(point.x+this.width-mouseMargin)&yPosition=(point.y+this.height-mouseMargin)/右下onChangeCursor(CursorR,-9,-9);theSide=SIDE_RIGHT+SIDE_BOTTOM;this.isPopUp=false;else if(xPosition=(point.x+mouseMargin)&yPosition=(point.y+mouseMargin)/左上onChangeCursor(CursorR,-9,-9);theSide=SIDE_LEFT+SIDE_TOP;this.isPopUp=false;else if(xPosition=(point.y+this.height-mouseMargin)/左下onChangeCursor(CursorL,-9,-9);theSide=SIDE_BOTTOM+SIDE_LEFT;this.isPopUp=false;else if(xPosition=(point.x+this.width-mouseMargin)&yPosition(point.x+this.width-mouseMargin)/右onChangeCursor(CursorH,-1,-1);theSide=SIDE_RIGHT;this.isPopUp=false;else if(xPosition(point.x+mouseMargin)/左onChangeCursor(CursorH,-1,-1);theSide=SIDE_LEFT;this.isPopUp=false;else if(yPosition(point.y+this.height-mouseMargin)/下onChangeCursor(CursorV,-1,-1);theSide=SIDE_BOTTOM;this.isPopUp=false;elseonChange