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comparison visualizer/Settings/src/com/sun/hotspot/igv/settings/ViewOptionsPanelController.java @ 4512:015fb895586b

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Moved visualizer to new directory.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Tue, 07 Feb 2012 22:41:09 +0100
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4511:6cb549627941 4512:015fb895586b
1 /*
2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24 package com.sun.hotspot.igv.settings;
25
26 import java.beans.PropertyChangeListener;
27 import java.beans.PropertyChangeSupport;
28 import javax.swing.JComponent;
29 import org.netbeans.spi.options.OptionsPanelController;
30 import org.openide.util.HelpCtx;
31 import org.openide.util.Lookup;
32
33 /**
34 *
35 * @author Thomas Wuerthinger
36 */
37 final class ViewOptionsPanelController extends OptionsPanelController {
38
39 private ViewPanel panel;
40 private final PropertyChangeSupport pcs = new PropertyChangeSupport(this);
41 private boolean changed;
42
43 @Override
44 public void update() {
45 getPanel().load();
46 changed = false;
47 }
48
49 @Override
50 public void applyChanges() {
51 getPanel().store();
52 changed = false;
53 }
54
55 @Override
56 public void cancel() {
57 // need not do anything special, if no changes have been persisted yet
58 }
59
60 @Override
61 public boolean isValid() {
62 return getPanel().valid();
63 }
64
65 @Override
66 public boolean isChanged() {
67 return changed;
68 }
69
70 @Override
71 public HelpCtx getHelpCtx() {
72 return null; // new HelpCtx("...ID") if you have a help set
73 }
74
75 @Override
76 public JComponent getComponent(Lookup masterLookup) {
77 return getPanel();
78 }
79
80 @Override
81 public void addPropertyChangeListener(PropertyChangeListener l) {
82 pcs.addPropertyChangeListener(l);
83 }
84
85 @Override
86 public void removePropertyChangeListener(PropertyChangeListener l) {
87 pcs.removePropertyChangeListener(l);
88 }
89
90 private ViewPanel getPanel() {
91 if (panel == null) {
92 panel = new ViewPanel(this);
93 }
94 return panel;
95 }
96
97 void changed() {
98 if (!changed) {
99 changed = true;
100 pcs.firePropertyChange(OptionsPanelController.PROP_CHANGED, false, true);
101 }
102 pcs.firePropertyChange(OptionsPanelController.PROP_VALID, null, null);
103 }
104 }