source: code/Website/open-flash-chart/Loading.as@ 7849

/**
* ...
* @author Default
* @version 0.1
*/

package  {
        import flash.display.Sprite;
        import flash.text.TextField;
        import flash.text.TextFormat;
        import flash.events.Event;
        import flash.filters.DropShadowFilter;

        public class Loading extends Sprite {
                private var tf:TextField;
                
                public function Loading( text:String ) {
                        
                        this.tf = new TextField();
                        this.tf.text = text;
                        
                        var fmt:TextFormat = new TextFormat();
                        fmt.color = 0x000000;
                        fmt.font = "Verdana";
                        fmt.size = 12;
                        fmt.align = "center";
                        
                        this.tf.setTextFormat(fmt);
                        this.tf.autoSize = "left";
                        this.tf.x = 5;
                        this.tf.y = 5;
                        
                        //
                        // HACK! For some reason the Stage.height is not
                        // correct the very first time this object is created
                        // so we wait untill the first frame before placing
                        // the movie clip at the center of the Stage.
                        //
                        
                        this.addEventListener( Event.ENTER_FRAME, this.onEnter );
                                
                        this.addChild( this.tf );
                        
                        this.graphics.lineStyle( 2, 0x808080, 1 );
                        this.graphics.beginFill( 0xf0f0f0 );
                        this.graphics.drawRoundRect(0, 0, this.tf.width + 10, this.tf.height + 10, 5, 5);
                        
                        var spin:Sprite = new Sprite();
                        spin.x = this.tf.width + 40;
                        spin.y = (this.tf.height + 10) / 2;
                        
                        var radius:Number = 15;
                        var dots:Number = 6;
                        var colours:Array = [0xF0F0F0,0xD0D0D0,0xB0B0B0,0x909090,0x707070,0x505050,0x303030];
                        
                        for( var i:Number=0; i<dots; i++ )
                        {
                                var deg:Number = (360/dots)*i;
                                var radians:Number = deg * (Math.PI/180);
                                var x:Number = radius * Math.cos(radians);
                                var y:Number = radius * Math.sin(radians);
                                
                                spin.graphics.lineStyle(0, 0, 0);
                                spin.graphics.beginFill( colours[i], 1 );
                                spin.graphics.drawCircle( x, y, 4 );
                        }
                        
                        this.addChild( spin );

                        var dropShadow:DropShadowFilter = new DropShadowFilter();
                        dropShadow.blurX = 4;
                        dropShadow.blurY = 4;
                        dropShadow.distance = 4;
                        dropShadow.angle = 45;
                        dropShadow.quality = 2;
                        dropShadow.alpha = 0.5;
                        // apply shadow filter
                        this.filters = [dropShadow];
                
                /*
                
                        
                        
                        spin.onEnterFrame = function ()
                        {
                                this._rotation += 5;
                        }
                
                        */
                }
                
                private function onEnter(event:Event):void {
                        
                        if( this.stage ) {
                                this.x = (this.stage.stageWidth/2)-((this.tf.width+10)/2);
                                this.y = (this.stage.stageHeight/2)-((this.tf.height+10)/2);
                                // this.removeEventListener( Event.ENTER_FRAME, this.onEnter );
                                // tr.ace('ppp');
                        }
                        this.getChildAt(1).rotation += 5;
                }
        
        }
        
}