tooltipmanager_old.as

AS3写的ToolTip功能组件

package{
	import flash.display.DisplayObject;
	import flash.display.Sprite;
	import flash.events.MouseEvent;
	import flash.filters.DropShadowFilter;
	import flash.text.TextField;
	import flash.text.TextFormat;
	import flash.utils.Dictionary;
	import flash.utils.clearInterval;
	import flash.utils.setInterval;
	import flash.utils.setTimeout;
	import flash.utils.clearTimeout;
	import flash.filters.BitmapFilterQuality;
	import flash.text.TextFieldAutoSize;
	public class ToolTipManager extends Sprite{
		private var dict:Dictionary;
		
		//仅使用文字
		//private var tipText:TextField;
		//private var filterArray:Array;
        //private var filter:DropShadowFilter;
		//private var textFormat:TextFormat;
		
		//使用绘图方式
		private const default_width:uint = 80;
		private const default_height:uint = 25;
		private const default_bgcolor:uint = 0xffffcc;
		private const default_alpha:Number = 0.75;
		private const default_x:int = 0;
		private const default_y:int = 0;
		private const default_textColorValue:uint = 0x000000;
		
		private var widthValue:uint = default_width;
		private var heightValue:uint = default_height;
		private var bg_color:uint = default_bgcolor;
		private var alphaValue:Number = default_alpha;
		private var xValue:int = default_x;
		private var yValue:int = default_y;
		private var textColorValue:uint = default_textColorValue;
        private var tipLabel:TextField;
		private var textFormat:TextFormat;
		private var filterArray:Array;
        private var filter:DropShadowFilter;
		
		private var stageX:int;
		private var stageY:int;
		private var stage_width:int;
		private var stage_height:int;
		
		private var timerId:uint;
		
		
		public function ToolTipManager(stagewidth:int,stageheight:int){
		    super();
			this.stage_width = stagewidth;
			this.stage_height = stageheight;
			trace(this.stage_width);
			trace(this.stage_height);
		}
		
		public function setBgColor(newColor:uint):void{
			this.bg_color = newColor;
		}
		
		public function setAlpha(newAlpha:Number):void{
			this.alphaValue = newAlpha;
		}
		
		public function setTextColor(newColor:Number):void{
			this.textColorValue = newColor;
		}
		
		public function createToolTip():void{
			dict = new Dictionary();
			//仅使用文字
			/*
			tipText = new TextField();
			filterArray = new Array();
         	filter  = new DropShadowFilter(5, 45, 0x000000, 1.0, 10, 10, 0.65, BitmapFilterQuality.MEDIUM, false, false);
         	filterArray.push(filter);
         	textFormat = new TextFormat("Verdana", 10, 0x000000);
			tipText.filters = filterArray;
         	tipText.autoSize = TextFieldAutoSize.LEFT;
			tipText.background = true;
         	tipText.backgroundColor = 0xfffeee;
         	tipText.border = true;
        	tipText.multiline = true;
         	tipText.selectable = false;
         	tipText.defaultTextFormat = textFormat;
         	tipText.visible = false;
			addChild(tipText);
			*/
			
			
			//使用绘图方式
			textFormat = new TextFormat();
			textFormat.font = "Verdana";
			textFormat.size = 12;
			textFormat.color = textColorValue;
			textFormat.leftMargin = 5;
			textFormat.rightMargin = 5;
			tipLabel = new TextField();
			tipLabel.defaultTextFormat = textFormat;
			tipLabel.multiline = true;
			tipLabel.autoSize = TextFieldAutoSize.LEFT;
			tipLabel.x = 10;
			tipLabel.y = 10;
			tipLabel.selectable = false;

			filterArray = new Array();
			filter  = new DropShadowFilter(3, 45, 0x000000, 0.5, 5, 5, 0.65, BitmapFilterQuality.MEDIUM, false, false);
			filterArray.push(filter);
			this.filters = filterArray; 
			this.addChild(tipLabel);
			this.visible = false;
			
		}
		public function addToolTip(key:DisplayObject,tipInfo:String):void{
			dict[key] = tipInfo;
			key.addEventListener(MouseEvent.MOUSE_OVER,mouseOverHdl);
			key.addEventListener(MouseEvent.MOUSE_OUT,mouseOutHdl);
		}
		private function mouseOverHdl(me:MouseEvent):void{
			var key:DisplayObject = me.currentTarget as DisplayObject;
			//trace(key.x);
			//trace(key.y);
			//trace(key.width);
			//trace(key.height);
			//trace(me.stageX);
			//trace(me.stageY);
			//仅使用文字
			//tipText.htmlText = dict[key];
			//tipText.x = me.stageX + 13;
			//tipText.y = me.stageY + 13;
			//tipText.visible = true;
			
			//使用绘图方式
			tipLabel.htmlText = dict[key];
			this.graphics.clear();
			this.graphics.beginFill(bg_color,alphaValue);
			//this.graphics.lineStyle(1,0xeeeeee,alphaValue);
			//边缘检测
			widthValue = tipLabel.width;
			heightValue = tipLabel.height;
			xValue = tipLabel.x;
			yValue = tipLabel.y;
			this.graphics.drawRoundRect(xValue,yValue,widthValue,heightValue,5,5);
			trace(key.x + key.width/2 + widthValue);
			trace(key.y + key.height/2 + heightValue + 10);
			if(key.x + key.width/2 + widthValue < stage_width && key.y + key.height/2 + heightValue + 10 < stage_height){
				//右下方显示
				//this.graphics.drawRoundRect(xValue,yValue,widthValue,heightValue,5,5);
				this.graphics.moveTo(0,0);
				this.graphics.lineTo(xValue+widthValue/2 + 10,yValue);
				this.graphics.lineTo(xValue+widthValue/2 - 10,yValue);
				this.graphics.lineTo(0,0);
				this.x = key.x + key.width/2;
			    this.y = key.y + key.height;
			}else if(key.x + key.width/2 + widthValue >= stage_width && key.y + key.height/2 + heightValue + 10 < stage_height){
				//左下方显示
				//this.graphics.drawRoundRect(xValue,yValue,widthValue,heightValue,5,5);
				this.graphics.moveTo(xValue+widthValue/2 + 20,0);
				this.graphics.lineTo(xValue+widthValue/2 + 10,yValue);
				this.graphics.lineTo(xValue+widthValue/2 - 10,yValue);
				this.graphics.lineTo(xValue+widthValue/2 + 20,0);
				this.x = key.x - widthValue/2 + 10;
			    this.y = key.y + key.height;
			}else if(key.y + key.height/2 + heightValue + 10 >= stage_height && key.x >key.width/2){
			    //左上方显示
				//this.graphics.drawRoundRect(xValue,yValue,widthValue,heightValue,5,5);
				this.graphics.moveTo(xValue+widthValue/2 + 20,yValue + heightValue + 10);
				this.graphics.lineTo(xValue+widthValue/2 + 10,yValue + heightValue);
				this.graphics.lineTo(xValue+widthValue/2 - 10,yValue + heightValue);
				this.graphics.lineTo(xValue+widthValue/2 + 20,yValue + heightValue + 10);
				this.x = key.x - widthValue/2 + 20;
			    this.y = key.y - key.height - 20;
			}else if(key.y + key.height/2 + heightValue + 10 >= stage_height && key.x<key.width/2){
				//右上方显示
				//this.graphics.drawRoundRect(xValue,yValue,widthValue,heightValue,5,5);
				this.graphics.moveTo(xValue + 20,yValue + heightValue + 10);
				this.graphics.lineTo(xValue+widthValue/2 + 10,yValue + heightValue);
				this.graphics.lineTo(xValue+widthValue/2 - 10,yValue + heightValue);
				this.graphics.lineTo(xValue + 20,yValue + heightValue + 10);
				this.x = key.x + key.width/2 - 30;
			    this.y = key.y - key.height - 20;			
			}
			this.graphics.endFill();
			this.visible = true;
            
            
			timerId = setTimeout(mouseOutHdl,2000,null);
			me.updateAfterEvent();
		}
	    private function mouseOutHdl(me:MouseEvent):void{
			//仅使用文字
			//tipText.htmlText = "";
			//tipText.visible = false;
			
			//使用绘图方式
			tipLabel.htmlText = "";
			this.visible = false;
			
			clearTimeout(timerId);
		}
		public function destoryToolTip():void{
			for(var key:Object in dict){
				key.removeEventListener(MouseEvent.MOUSE_OVER,mouseOverHdl);
				key.removeEventListener(MouseEvent.MOUSE_OUT,mouseOutHdl);
				delete dict[key];
			}
			dict = null;
			//仅使用文字
			//textFormat = null;
			//filter = null;
			//filterArray = null;
			//tipText= null;
			
			//使用绘图方式
			textFormat = null;
			filter = null;
			filterArray = null;
			tipLabel= null;
		}
	}
}