package //com.example.programmingas3.spritearranger
  {
          import flash.display.DisplayObject;
          import flash.events.MouseEvent;
          import flash.geom.Point;
          import flash.geom.Rectangle;
          
          import mx.core.UIComponent;
  
          public class @ax-actionscript-book-SpriteArranger-com-example-programmingas3-spritearranger-DrawingCanvas extends UIComponent 
          {
                  public var bounds:Rectangle;
                  public var lineColor:Number;
                  public var fillColor:Number;
                  
                  public function @ax-actionscript-book-SpriteArranger-com-example-programmingas3-spritearranger-DrawingCanvas(w:Number = 500, h:Number = 200, fillColor:Number = 0xFFFFFF, lineColor:Number = 0x000000)
                  {
                          super();
                          this.bounds = new Rectangle(0, 0, w, h);
                          
                          this.addEventListener(MouseEvent.MOUSE_UP, onMouseUp);
                  }
                  
                  public function initCanvas(fillColor:Number = 0xFFFFFF, lineColor:Number = 0x000000):void
                  {
                          this.lineColor = lineColor;
                          this.fillColor = fillColor;
                          this.width=500;
                          this.height=200;
                          drawBounds();
                  }
                  
                  public function drawBounds():void
                  {
                          this.graphics.clear();
                          
                          this.graphics.lineStyle(1.0, this.lineColor, 1.0);
                          this.graphics.beginFill(this.fillColor, 1.0);
                          this.graphics.drawRect(bounds.left - 1, bounds.top = 1, bounds.width + 2, bounds.height + 2);
                          this.graphics.endFill();
                  }
                  
              public function addShape(shapeName:String, len:Number):void
              {
                  var newShape:actionscript_book_SpriteArranger_com_example_programmingas3_spritearranger_GeometricSprite;
                  
                  switch (shapeName)
                  {       
                  case "Triangle":
                      newShape = new actionscript_book_SpriteArranger_com_example_programmingas3_spritearranger_TriangleSprite(len);
                      break;
                      
                  case "Square":
                      newShape = new actionscript_book_SpriteArranger_com_example_programmingas3_spritearranger_SquareSprite(len);
                      break;
                      
                      case "Circle":
                      newShape = new actionscript_book_SpriteArranger_com_example_programmingas3_spritearranger_CircleSprite(len);
                      break;
              }
              // makes the shapes slightly transparent, so you can see what's behind them
              newShape.alpha = 0.8;
              
              this.addChild(newShape);
              }
              
                  public function describeChildren():String
                  {   
                      var desc:String = "";
                      var child:DisplayObject;
                      for (var i:int=0; i < this.numChildren; i++)
                      {
                          child = this.getChildAt(i);
                          desc += i + ": " + child + '\n';
                      }
                      return desc;
                  }
  
                  public function moveToBack(shape:actionscript_book_SpriteArranger_com_example_programmingas3_spritearranger_GeometricSprite):void
                  {
                      var index:int = this.getChildIndex(shape);
                      if (index > 0)
                      {
                          this.setChildIndex(shape, 0);
                      }
                  }
                  
                  public function moveDown(shape:actionscript_book_SpriteArranger_com_example_programmingas3_spritearranger_GeometricSprite):void
                  {
                      var index:int = this.getChildIndex(shape);
                      if (index > 0)
                      {
                          this.setChildIndex(shape, index - 1);
                      }
                  }
                  
                  public function moveToFront(shape:actionscript_book_SpriteArranger_com_example_programmingas3_spritearranger_GeometricSprite):void
                  {
                      var index:int = this.getChildIndex(shape);
                      if (index != -1 && index < (this.numChildren - 1))
                      {
                          this.setChildIndex(shape, this.numChildren - 1);
                      }
                  }
  
                  public function moveUp(shape:actionscript_book_SpriteArranger_com_example_programmingas3_spritearranger_GeometricSprite):void
                  {
                      var index:int = this.getChildIndex(shape);
                      if (index != -1 && index < (this.numChildren - 1))
                      {
                          this.setChildIndex(shape, index + 1);
                      }
                  }