import util.*;
import mvc.*;

/**
 * Provides basic services for the "controller" of
 * a Model/View/Controller triad.
 */
class mvc.AbstractController implements Controller {
  private var model:Observable;
  private var view:View;

  /**
   * Constructor
   *
   * @param   m   The model this controller's view is observing.
   */
  public function AbstractController (m:Observable) {
    // Set the model.
    setModel(m);
  }

  /**
   * Sets the model for this controller.
   */
  public function setModel (m:Observable):Void {
    model = m;
  }

  /**
   * Returns the model for this controller.
   */
  public function getModel ():Observable {
    return model;
  }

  /**
   * Sets the view that this controller is servicing.
   */
  public function setView (v:View):Void {
    view = v;
  }

  /**
   * Returns this controller's view.
   */
  public function getView ():View {
    return view;
  }
}