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