/*
    * Copyright (c) 2003, The JUNG Authors
    * All rights reserved.
    * 
    * This software is open-source under the BSD license; see either "license.txt"
    * or https://github.com/jrtom/jung/blob/master/LICENSE for a description.
    * 
    */
   package edu.uci.ics.jung.visualization.control;
  
  import java.awt.event.MouseEvent;
  import java.awt.event.MouseListener;
  
  public abstract class AbstractPopupGraphMousePlugin extends AbstractGraphMousePlugin 
      implements MouseListener {
      
      public AbstractPopupGraphMousePlugin() {
          this(MouseEvent.BUTTON3_MASK);
      }
      public AbstractPopupGraphMousePlugin(int modifiers) {
          super(modifiers);
      }
      public void mousePressed(MouseEvent e) {
          if(e.isPopupTrigger()) {
              handlePopup(e);
              e.consume();
          }
      }
      
      /**
       * if this is the popup trigger, process here, otherwise
       * defer to the superclass
       */
      public void mouseReleased(MouseEvent e) {
          if(e.isPopupTrigger()) {
              handlePopup(e);
              e.consume();
          }
      }
      
      protected abstract void handlePopup(MouseEvent e);
      
      public void mouseClicked(MouseEvent e) {
      }
      
      public void mouseEntered(MouseEvent e) {
      }
      
      public void mouseExited(MouseEvent e) {
      }
  }