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