Question

The problem I’m facing is that I’m trying to manipulate (in this particular case add eventListeners) objects (in this case some MovieClips) on the stage from a class that isn’t the document class.

1120: Access of undefined property trans.

Now I know that it’s probably a scope thing and I probably can’t access stage objects directly from a non document class (as I’m doing in the code below) but I can’t figure out how to access them properly. I’ve been stuck with this problem for a couple of hours already and I’ve read a lot of solutions to similar problems and explanations on scope related problems but I still haven’t figured out a solution. I’m hoping now that someone here can help me out.

Anyway, here’s the deal:

I’ve got 3 dynamic text fields (called “NL”, “FR” and “EN”) on my stage in a movieclip called “trans”. I’m trying to add eventlisteners in a second class to make them do something when clicked on.

Here’s my document class:

package {

  import flash.display.MovieClip;

  // Import custom classes.
  import classes.Translate;

  public class Main extends MovieClip {

    // Init Translation class on load.
    public var translate:Translate = new Translate();

    public function Main() {

    }

  }
}

And here’s my custom class Translate (which is in a subfolder “classes”).

package classes {

  import flash.display.MovieClip;
  import flash.events.MouseEvent;

  public class Translate extends MovieClip {

    public function Translate() {

      // Init translation eventListeners.
      trans.NL.addEventListener(MouseEvent.CLICK,
        function(event:MouseEvent):void {
          loadNl();
        }
      );

      trans.FR.addEventListener(MouseEvent.CLICK,
        function(event:MouseEvent):void {
          loadFr();
        }
      );

      trans.EN.addEventListener(MouseEvent.CLICK,
        function(event:MouseEvent):void {
          loadEn();
        }
      );
    }

    public function loadNl() {
      trace("NL");
    }

    public function loadFr() {
      trace("FR");
    }

    public function loadEn() {
      trace("EN");
    }

  }
}

Thanks in advance for taking time to help me out.

Dries

Answer 1

Sorry I haven’t responded yet to my own question.

The solution i was looking for is rather simple and leans mostly to Ben’s answer.

Basically I wanted to use my Main class in other classes. I just have to send a reference to it to the new object’s class constructor.

package {

  import flash.display.MovieClip;

  // Import custom classes.
  import classes.Translate;

  public class Main extends MovieClip {

    private var _instance:MovieClip;

    public function Main() {
      _instance = this;

      var trans:Translate = new Translate(_instance);
    }
  }
}

And now I can refer to my Main class and stage objects through this reference.

package classes {

  import flash.display.MovieClip;

  public class Translate {

    private var _main:MovieClip;

    public function Translate(main:MovieClip) {
      _main = main;

      // Trace the amount of stage objects.
      trace(_main.stage.numChildren); 
    }
  }
}

Thanks Ben and Scott for helping out.