package org.kuali.student.lum.program.client.events;
   
   import com.google.gwt.event.shared.EventHandler;
   import com.google.gwt.event.shared.GwtEvent;
   import org.kuali.student.common.ui.client.mvc.Callback;
   import org.kuali.student.common.ui.client.mvc.Controller;
   
   /**
    * @author Igor
   */
  public class UpdateEvent extends GwtEvent<UpdateEvent.Handler> {
  
      public static Type<Handler> TYPE = new Type<Handler>();
  
      private Callback<Boolean> okCallback;
  
      private Enum<?> currentView;
  
      public UpdateEvent() {
          this(Controller.NO_OP_CALLBACK);
      }
  
      public UpdateEvent(Enum<?> currentView) {
          this();
          this.currentView = currentView;
      }
  
      public UpdateEvent(Callback<Boolean> okCallback) {
          this.okCallback = okCallback;
      }
  
      @Override
      public Type<Handler> getAssociatedType() {
          return TYPE;
      }
  
      @Override
      protected void dispatch(Handler handler) {
          handler.onEvent(this);
      }
  
      public Callback<Boolean> getOkCallback() {
          return okCallback;
      }
  
      public Enum<?> getCurrentView() {
          return currentView;
      }
  
      public static interface Handler extends EventHandler {
          void onEvent(UpdateEvent event);
      }
  }