Mercurial > hg > graal-compiler
annotate visualizer/Settings/src/com/sun/hotspot/igv/settings/ViewOptionsPanelController.java @ 5851:11bd46151e71
made constant field final
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 17 Jul 2012 16:59:27 +0200 |
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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 } |