001/* MouseDragGestureRecognizer.java --
002   Copyright (C) 2002, 2005  Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
005
006GNU Classpath is free software; you can redistribute it and/or modify
007it under the terms of the GNU General Public License as published by
008the Free Software Foundation; either version 2, or (at your option)
009any later version.
010
011GNU Classpath is distributed in the hope that it will be useful, but
012WITHOUT ANY WARRANTY; without even the implied warranty of
013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014General Public License for more details.
015
016You should have received a copy of the GNU General Public License
017along with GNU Classpath; see the file COPYING.  If not, write to the
018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
034this exception to your version of the library, but you are not
035obligated to do so.  If you do not wish to do so, delete this
036exception statement from your version. */
037
038package java.awt.dnd;
039
040import java.awt.Component;
041import java.awt.event.MouseEvent;
042import java.awt.event.MouseListener;
043import java.awt.event.MouseMotionListener;
044
045/**
046 * @author Michael Koch (konqueror@gmx.de)
047 */
048public abstract class MouseDragGestureRecognizer 
049  extends DragGestureRecognizer
050  implements MouseListener, MouseMotionListener
051{
052  /**
053   * Creates a <code>MouseDragGestureRecognizer</code> object.
054   */
055  protected MouseDragGestureRecognizer (DragSource ds, Component c, int act,
056                                        DragGestureListener dgl)
057  {
058    super (ds, c, act, dgl);
059  }
060
061  /**
062   * Creates a <code>MouseDragGestureRecognizer</code> object.
063   */
064  protected MouseDragGestureRecognizer (DragSource ds, Component c, int act)
065  {
066    super (ds, c, act);
067  }
068
069  /**
070   * Creates a <code>MouseDragGestureRecognizer</code> object.
071   */
072  protected MouseDragGestureRecognizer (DragSource ds, Component c)
073  {
074    super (ds, c);
075  }
076
077  /**
078   * Creates a <code>MouseDragGestureRecognizer</code> object.
079   */
080  protected MouseDragGestureRecognizer (DragSource ds)
081  {
082    super (ds);
083  }
084
085  protected void registerListeners ()
086  {
087    component.addMouseListener (this);
088    component.addMouseMotionListener (this);
089  }
090
091  protected void unregisterListeners ()
092  {
093    component.removeMouseListener (this);
094    component.removeMouseMotionListener (this);
095  }
096
097  public void mouseClicked (MouseEvent e)
098  {
099    // Do nothing in here by default.
100  }
101
102  public void mousePressed (MouseEvent e)
103  {
104    // Do nothing in here by default.
105  }
106
107  public void mouseReleased (MouseEvent e)
108  {
109    // Do nothing in here by default.
110  }
111
112  public void mouseEntered (MouseEvent e)
113  {
114    // Do nothing in here by default.
115  }
116
117  public void mouseExited (MouseEvent e)
118  {
119    // Do nothing in here by default.
120  }
121
122  public void mouseDragged (MouseEvent e)
123  {
124    // Do nothing in here by default.
125  }
126
127  public void mouseMoved (MouseEvent e)
128  {
129    // Do nothing in here by default.
130  }
131} // class MouseDragGestureRecognizer