package {
    import flash.display.*;
    import flash.events.*;
    import flash.text.*;
  
    // Demonstrates the use of Event.target and Event.currentTarget
    public class @ax-actionscript-events-HighlightText extends Sprite {
      
      // Constructor
      public function @ax-actionscript-events-HighlightText () {
        // Create a Sprite object
        var s:Sprite = new Sprite();
        s.x = 100;
        s.y = 100;
  
        // Create a TextField object
        var t:TextField = new TextField();
        t.text = "Click here";
        t.background = true;
        t.border = true;
        t.autoSize = TextFieldAutoSize.LEFT;
  
        // Put the TextField in the Sprite
        s.addChild(t);
  
        // Add the Sprite to this object's display hierarchy
        addChild(s);
        
        // Register to be notified when the user focuses any of the Sprite 
        // object's descendants (in this case, there's only one descendant:
        // the TextField, t)
        s.addEventListener(FocusEvent.FOCUS_IN, focusInListener);
      }
  
      // Listener executed when one of the Sprite object's descendants 
      // is focused
      public function focusInListener (e:FocusEvent):void {
        // Displays: [object TextField]
        trace("Target of this event dispatch: " + e.target);
  
        // Displays: [object Sprite]
        trace("Object with which this listener registered: "+e.currentTarget);
      
        // Set the text field's background to red. Notice that, for added type
        // safety, we cast Event.target to TextField-—the actual datatype of 
        // the target object.
        TextField(e.target).backgroundColor = 0xFF0000;
        
        // Obtain a reference to the Sprite object
        var theSprite:Sprite = Sprite(e.currentTarget);
      
        // Draw the ellipse
        theSprite.graphics.beginFill(0x0000FF);
        theSprite.graphics.drawEllipse(-10, -10, 75, 40);
      }
    }
  }