01: /* ====================================================================
02: * The JRefactory License, Version 1.0
03: *
04: * Copyright (c) 2001 JRefactory. All rights reserved.
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions
08: * are met:
09: *
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: *
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in
15: * the documentation and/or other materials provided with the
16: * distribution.
17: *
18: * 3. The end-user documentation included with the redistribution,
19: * if any, must include the following acknowledgment:
20: * "This product includes software developed by the
21: * JRefactory (http://www.sourceforge.org/projects/jrefactory)."
22: * Alternately, this acknowledgment may appear in the software itself,
23: * if and wherever such third-party acknowledgments normally appear.
24: *
25: * 4. The names "JRefactory" must not be used to endorse or promote
26: * products derived from this software without prior written
27: * permission. For written permission, please contact seguin@acm.org.
28: *
29: * 5. Products derived from this software may not be called "JRefactory",
30: * nor may "JRefactory" appear in their name, without prior written
31: * permission of Chris Seguin.
32: *
33: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
34: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
35: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
36: * DISCLAIMED. IN NO EVENT SHALL THE CHRIS SEGUIN OR
37: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
38: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
39: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
40: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
41: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
42: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
43: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: * SUCH DAMAGE.
45: * ====================================================================
46: *
47: * This software consists of voluntary contributions made by many
48: * individuals on behalf of JRefactory. For more information on
49: * JRefactory, please see
50: * <http://www.sourceforge.org/projects/jrefactory>.
51: */
52: package org.acm.seguin.ide.common;
53:
54: import java.awt.event.ActionListener;
55: import java.awt.event.ActionEvent;
56: import javax.swing.JOptionPane;
57: import org.acm.seguin.refactor.undo.UndoAction;
58: import org.acm.seguin.refactor.undo.UndoStack;
59:
60: /**
61: * General software component that can perform an undo operation
62: *
63: *@author Chris Seguin
64: *@created October 18, 2001
65: */
66: public class UndoAdapter implements ActionListener {
67: /**
68: * When the menu item is selected, do this
69: *
70: *@param evt The event
71: */
72: public void actionPerformed(ActionEvent evt) {
73: if (UndoStack.get().isStackEmpty()) {
74: JOptionPane.showMessageDialog(null,
75: "No more refactorings to undo.",
76: "Undo Refactoring", JOptionPane.ERROR_MESSAGE);
77: } else {
78: UndoAction action = UndoStack.get().peek();
79: int result = JOptionPane.showConfirmDialog(null,
80: "Would you like to undo the following refactoring?\n"
81: + action.getDescription(),
82: "Undo Refactoring", JOptionPane.YES_NO_OPTION);
83:
84: if (result == JOptionPane.YES_OPTION) {
85: UndoStack.get().undo();
86: }
87: }
88: }
89: }
90: // EOF
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