annotate visualizer/SelectionCoordinator/src/com/sun/hotspot/igv/selectioncoordinator/SelectionCoordinator.java @ 4512:015fb895586b

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author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Tue, 07 Feb 2012 22:41:09 +0100
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1 /*
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2 * Copyright (c) 2011, 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
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25 package com.sun.hotspot.igv.selectioncoordinator;
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26
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27 import com.sun.hotspot.igv.data.ChangedEvent;
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28 import java.util.Collections;
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29 import java.util.HashSet;
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30 import java.util.Set;
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31
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32 /**
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33 *
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34 * @author Thomas
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35 */
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36 public class SelectionCoordinator {
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37
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38 private static SelectionCoordinator singleInstance = new SelectionCoordinator();
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39 private Set<Object> selectedObjects;
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40 private Set<Object> highlightedObjects;
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41 private ChangedEvent<SelectionCoordinator> selectedChangedEvent;
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42 private ChangedEvent<SelectionCoordinator> highlightedChangedEvent;
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43
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44 public static SelectionCoordinator getInstance() {
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45 return singleInstance;
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46 }
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47
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48 private SelectionCoordinator() {
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49 selectedChangedEvent = new ChangedEvent<>(this);
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50 highlightedChangedEvent = new ChangedEvent<>(this);
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51 selectedObjects = new HashSet<>();
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52 highlightedObjects = new HashSet<>();
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53 }
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54
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55 public Set<Object> getSelectedObjects() {
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56 return Collections.unmodifiableSet(selectedObjects);
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57 }
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58
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59 public Set<Object> getHighlightedObjects() {
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60 return Collections.unmodifiableSet(highlightedObjects);
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61 }
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62
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63 public ChangedEvent<SelectionCoordinator> getHighlightedChangedEvent() {
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64 return highlightedChangedEvent;
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65 }
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66
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67 public ChangedEvent<SelectionCoordinator> getSelectedChangedEvent() {
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68 return selectedChangedEvent;
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69 }
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70
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71 public void addHighlighted(Object o) {
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72 if (!highlightedObjects.contains(o)) {
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73 highlightedObjects.add(o);
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74 highlightedObjectsChanged();
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75 }
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76 }
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77
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78 public void removeHighlighted(Object o) {
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79 if (highlightedObjects.contains(o)) {
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80 highlightedObjects.remove(o);
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81 highlightedObjectsChanged();
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82 }
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83 }
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84
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85 public void addAllHighlighted(Set<? extends Object> s) {
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86 int oldSize = highlightedObjects.size();
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87 highlightedObjects.addAll(s);
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88 if (oldSize != highlightedObjects.size()) {
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89 highlightedObjectsChanged();
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90 }
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91 }
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92
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93 public void removeAllHighlighted(Set<? extends Object> s) {
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94 int oldSize = highlightedObjects.size();
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95 highlightedObjects.removeAll(s);
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96 if (oldSize != highlightedObjects.size()) {
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97 highlightedObjectsChanged();
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98 }
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99 }
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100
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101 private void highlightedObjectsChanged() {
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102 highlightedChangedEvent.fire();
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103 }
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104
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105 public void addAllSelected(Set<? extends Object> s) {
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106 int oldSize = selectedObjects.size();
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107 selectedObjects.addAll(s);
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108 if (oldSize != selectedObjects.size()) {
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109 selectedObjectsChanged();
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110 }
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111 }
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112
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113 public void removeAllSelected(Set<? extends Object> s) {
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114 int oldSize = selectedObjects.size();
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115 selectedObjects.removeAll(s);
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116 if (oldSize != selectedObjects.size()) {
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117 selectedObjectsChanged();
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118 }
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119 }
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120
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121 public void setSelectedObjects(Set<? extends Object> s) {
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122 assert s != null;
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123 selectedObjects.clear();
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124 selectedObjects.addAll(s);
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125 selectedObjectsChanged();
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126 }
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127
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128 private void selectedObjectsChanged() {
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129 selectedChangedEvent.fire();
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130 }
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131
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132 public void setHighlightedObjects(Set<? extends Object> s) {
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133 assert s != null;
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134 this.highlightedObjects.clear();
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135 this.highlightedObjects.addAll(s);
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136 highlightedObjectsChanged();
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137 }
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138 }