简单纯文字浮动信息-Tooltip

分享个AS3 ToolTip类 纯文本

效果预览：

package ui
{
    import flash.display.*;
    import flash.events.*;
    import flash.text.*;

    public class ToolTip {

        private static var tips:Array = [];
        private static var nowShowTip:DisplayObject;
        public static var isOn:Boolean = true;

        private static function hideTip(_arg1:MouseEvent):void{
            var textField:DisplayObjectContainer;
            textField = (_arg1.currentTarget.root as DisplayObjectContainer);
            nowShowTip.addEventListener(Event.ENTER_FRAME, alphaHide);
        }
        public static function findTip(_arg1:Object):String{
            var textField:Object;
            for each (textField in tips) {
                if (textField[0] == _arg1){
                    return (textField[1]);
                };
            };
            return ("tip");
        }
        private static function onOverTip(_arg1:MouseEvent):void {
            if (isOn == false) return;
            var textField:TextField;
            var sp:Sprite;
            var disContainer:DisplayObjectContainer;
            textField = new TextField();
            textField.width = 300;
            textField.height = 200;
            textField.textColor = 0xFFFFFF;
            textField.x = (3 + 4);
            textField.selectable = false;
            textField.htmlText = findTip(_arg1.currentTarget);
            textField.multiline = true;
            textField.wordWrap = true;
            textField.width = (textField.textWidth + 17);
            textField.height = (textField.textHeight + 5);
            textField.blendMode = BlendMode.LAYER;
            textField.setTextFormat(new TextFormat("Tahoma,Arial,Verdana"));
            sp = new Sprite();
            sp.graphics.beginFill(0x0099FF, 0.45);
            sp.graphics.lineStyle(1, 0x0099FF);
            sp.graphics.drawRoundRect(0.5, 0.5, (textField.width + 3), textField.height, 3, 3);
            sp.addChild(textField);
            sp.mouseEnabled = false;
            sp.mouseChildren = false;
            sp.visible = false;
            sp.alpha = 0;
            sp.addEventListener(Event.ENTER_FRAME, alphaShow);
            sp.cacheAsBitmap = true;
            disContainer = (_arg1.currentTarget.root as DisplayObjectContainer);
            disContainer.addChild(sp);
            nowShowTip = sp;
            moveTip(_arg1);
        }
        private static function alphaShow(_arg1:Event):void{
            var textField:DisplayObject;
            textField = (_arg1.currentTarget as DisplayObject);
            textField.alpha = (textField.alpha + 0.039);
            textField.visible = true;
            if (textField.alpha >= 1){
                textField.removeEventListener(Event.ENTER_FRAME, alphaShow);
            };
        }
        private static function moveTip(_arg1:MouseEvent):void{
            var textField:DisplayObjectContainer;
            if (nowShowTip == null){
                return;
            };
            textField = (_arg1.currentTarget.root as DisplayObjectContainer);
            nowShowTip.x = (textField.mouseX - 1);
            nowShowTip.y = (textField.mouseY + 22);
            if (nowShowTip.x > ((textField.stage.stageWidth - nowShowTip.width) - 2)){
                nowShowTip.x = ((textField.stage.stageWidth - nowShowTip.width) - 2);
            };
            if (nowShowTip.y > ((textField.stage.stageHeight - nowShowTip.height) - 2)){
                nowShowTip.y = ((textField.mouseY - nowShowTip.height) - 5);
            };
        }
        private static function alphaHide(_arg1:Event):void{
            var textField:DisplayObject;
            textField = (_arg1.currentTarget as DisplayObject);
            textField.alpha = (textField.alpha - 0.15);
            if (textField.alpha < 0.05){
                textField.removeEventListener(Event.ENTER_FRAME, alphaHide);
                textField.parent.removeChild(textField);
            };
        }
        public static function addText(_arg1:InteractiveObject, _arg2:String):void{
            tips.push([_arg1, _arg2]);
            _arg1.addEventListener(MouseEvent.MOUSE_OVER, onOverTip);
            _arg1.addEventListener(MouseEvent.MOUSE_OUT, hideTip);
            _arg1.addEventListener(MouseEvent.MOUSE_MOVE, moveTip);
        }

    }
}

喜欢的可以拿过去哦~