package {
    import flash.display.Sprite;
    //import zoo.*;
    import flash.events.*;
  
    // The @ax-actionscript-zoo-VirtualZoo class is the main application class. It extends Sprite
    // so that it can be instantiated and added to the display list at
    // program-start time.
    public class @ax-actionscript-zoo-VirtualZoo extends Sprite {
      // The VirtualPet instance
      private var pet:actionscript_zoo_lib_VirtualPet;
      // The object that will render the pet to the screen
      private var petView:actionscript_zoo_lib_VirtualPetView;
      
      // Constructor
      public function @ax-actionscript-zoo-VirtualZoo () {
        // Create a new pet, and attempt to give it a name
        try {
          pet = new actionscript_zoo_lib_VirtualPet("Bartholomew McGillicuddy");
        } catch (e:Error) {
          // If attempting to create a VirtualPet object causes an exception,
          // then the object won't be created. Hence, we report the problem
          // and create a new VirtualPet object here with a known-to-be-valid 
          // name.
          trace("An error occurred: " + e.message);
          pet = new actionscript_zoo_lib_VirtualPet("Stan");
        }
  
        // Create the object that will render the pet to the screen
        petView = new actionscript_zoo_lib_VirtualPetView(pet);
        // Register this @ax-actionscript-zoo-VirtualZoo object to be notified when the 
        // rendering object (the "petView") has finished initializing
        petView.addEventListener(Event.COMPLETE, petViewCompleteListener);
      }
  
      // An event listener triggered when the VirtualPetView object (petView)
      // has finished initializing
      public function petViewCompleteListener (e:Event):void {
        // Add the view to the display list
        addChild(petView);
        // Begin the pet's life cycle
        pet.start();
        // Feed the pet
        pet.eat(new actionscript_zoo_lib_Sushi());
      }
    }
  }