Source for java.awt.dnd.MouseDragGestureRecognizer

   1: /* MouseDragGestureRecognizer.java --
   2:    Copyright (C) 2002, 2005  Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: package java.awt.dnd;
  39: 
  40: import java.awt.Component;
  41: import java.awt.event.MouseEvent;
  42: import java.awt.event.MouseListener;
  43: import java.awt.event.MouseMotionListener;
  44: 
  45: /**
  46:  * @author Michael Koch (konqueror@gmx.de)
  47:  */
  48: public abstract class MouseDragGestureRecognizer 
  49:   extends DragGestureRecognizer
  50:   implements MouseListener, MouseMotionListener
  51: {
  52:   /**
  53:    * Creates a <code>MouseDragGestureRecognizer</code> object.
  54:    */
  55:   protected MouseDragGestureRecognizer (DragSource ds, Component c, int act,
  56:                                 DragGestureListener dgl)
  57:   {
  58:     super (ds, c, act, dgl);
  59:   }
  60: 
  61:   /**
  62:    * Creates a <code>MouseDragGestureRecognizer</code> object.
  63:    */
  64:   protected MouseDragGestureRecognizer (DragSource ds, Component c, int act)
  65:   {
  66:     super (ds, c, act);
  67:   }
  68: 
  69:   /**
  70:    * Creates a <code>MouseDragGestureRecognizer</code> object.
  71:    */
  72:   protected MouseDragGestureRecognizer (DragSource ds, Component c)
  73:   {
  74:     super (ds, c);
  75:   }
  76: 
  77:   /**
  78:    * Creates a <code>MouseDragGestureRecognizer</code> object.
  79:    */
  80:   protected MouseDragGestureRecognizer (DragSource ds)
  81:   {
  82:     super (ds);
  83:   }
  84: 
  85:   protected void registerListeners ()
  86:   {
  87:     component.addMouseListener (this);
  88:     component.addMouseMotionListener (this);
  89:   }
  90: 
  91:   protected void unregisterListeners ()
  92:   {
  93:     component.removeMouseListener (this);
  94:     component.removeMouseMotionListener (this);
  95:   }
  96: 
  97:   public void mouseClicked (MouseEvent e)
  98:   {
  99:     // 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