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 1997-2007 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: package org.netbeans.modules.diff.options;
042:
043: import org.netbeans.modules.diff.*;
044: import org.netbeans.spi.options.OptionsPanelController;
045: import org.openide.util.Lookup;
046: import org.openide.util.HelpCtx;
047: import org.openide.util.NbBundle;
048: import org.openide.DialogDisplayer;
049: import org.openide.NotifyDescriptor;
050:
051: import javax.swing.*;
052: import java.beans.PropertyChangeListener;
053: import java.io.IOException;
054:
055: /**
056: * Diff module's Options Controller.
057: *
058: * @author Maros Sandor
059: */
060: class DiffOptionsController extends OptionsPanelController {
061:
062: private DiffOptionsPanel panel;
063:
064: public void update() {
065: panel.getInternalDiff().setSelected(
066: DiffModuleConfig.getDefault().isUseInteralDiff());
067: panel.getExternalDiff().setSelected(
068: !DiffModuleConfig.getDefault().isUseInteralDiff());
069: panel.getIgnoreWhitespace().setSelected(
070: DiffModuleConfig.getDefault().isIgnoreWhitespace());
071: panel.getExternalCommand().setText(
072: DiffModuleConfig.getDefault().getPreferences().get(
073: DiffModuleConfig.PREF_EXTERNAL_DIFF_COMMAND,
074: "diff {0} {1}")); // NOI18N
075: panel.setChanged(false);
076: }
077:
078: public void applyChanges() {
079: checkExternalCommand();
080: DiffModuleConfig.getDefault().setUseInteralDiff(
081: panel.getInternalDiff().isSelected());
082: DiffModuleConfig.getDefault().setIgnoreWhitespace(
083: panel.getIgnoreWhitespace().isSelected());
084: DiffModuleConfig.getDefault().getPreferences().put(
085: DiffModuleConfig.PREF_EXTERNAL_DIFF_COMMAND,
086: panel.getExternalCommand().getText());
087: panel.setChanged(false);
088: }
089:
090: private void checkExternalCommand() {
091: if (panel.getInternalDiff().isSelected())
092: return;
093: String cmd = panel.getExternalCommand().getText();
094: try {
095: Process p = Runtime.getRuntime().exec(cmd);
096: p.destroy();
097: } catch (IOException e) {
098: // the command seems invalid
099: DialogDisplayer.getDefault().notify(
100: new NotifyDescriptor.Message(NbBundle.getMessage(
101: DiffOptionsController.class,
102: "MSG_InvalidDiffCommand"),
103: NotifyDescriptor.WARNING_MESSAGE));
104: return;
105: }
106: }
107:
108: public void cancel() {
109: // nothing to do
110: }
111:
112: public boolean isValid() {
113: return true;
114: }
115:
116: public boolean isChanged() {
117: return panel.isChanged();
118: }
119:
120: public JComponent getComponent(Lookup masterLookup) {
121: if (panel == null) {
122: panel = new DiffOptionsPanel();
123: }
124: return panel;
125: }
126:
127: public HelpCtx getHelpCtx() {
128: return new HelpCtx(DiffOptionsController.class);
129: }
130:
131: public void addPropertyChangeListener(PropertyChangeListener l) {
132: }
133:
134: public void removePropertyChangeListener(PropertyChangeListener l) {
135: }
136: }
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