001 /* MouseDragGestureRecognizer.java -- 002 Copyright (C) 2002, 2005 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 package java.awt.dnd; 039 040 import java.awt.Component; 041 import java.awt.event.MouseEvent; 042 import java.awt.event.MouseListener; 043 import java.awt.event.MouseMotionListener; 044 045 /** 046 * @author Michael Koch (konqueror@gmx.de) 047 */ 048 public 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