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