001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.modules.refactoring.spi.impl;
043:
044: import java.beans.PropertyChangeEvent;
045: import java.beans.PropertyChangeListener;
046: import javax.swing.Action;
047: import javax.swing.SwingUtilities;
048: import org.openide.util.HelpCtx;
049: import org.openide.util.NbBundle;
050: import org.openide.util.actions.CallableSystemAction;
051:
052: public class RedoAction extends CallableSystemAction implements
053: PropertyChangeListener {
054:
055: private UndoManager undoManager;
056:
057: public RedoAction() {
058: putValue(Action.NAME, getString("LBL_Redo")); //NOI18N
059: putValue("noIconInMenu", Boolean.TRUE); // NOI18N
060: undoManager = UndoManager.getDefault();
061: undoManager.addPropertyChangeListener(this );
062: updateState();
063: }
064:
065: public void propertyChange(PropertyChangeEvent event) {
066: updateState();
067: }
068:
069: private void updateState() {
070: String desc = undoManager.getRedoDescription();
071: String name = getString("LBL_Redo");
072: if (desc != null) {
073: name += " [" + desc + "]"; //NOI18N
074: }
075:
076: final String n = name;
077: final boolean b = undoManager.isRedoAvailable();
078: Runnable r = new Runnable() {
079: public void run() {
080: setEnabled(b);
081: putValue(Action.NAME, n);
082: }
083: };
084:
085: if (SwingUtilities.isEventDispatchThread()) {
086: r.run();
087: } else {
088: SwingUtilities.invokeLater(r);
089: }
090: }
091:
092: private static final String getString(String key) {
093: return NbBundle.getMessage(RedoAction.class, key);
094: }
095:
096: public void performAction() {
097: undoManager.redo();
098: undoManager.saveAll();
099: }
100:
101: public org.openide.util.HelpCtx getHelpCtx() {
102: return HelpCtx.DEFAULT_HELP;
103: }
104:
105: public String getName() {
106: return (String) getValue(Action.NAME);
107: }
108:
109: protected boolean asynchronous() {
110: return true;
111: }
112: }
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