| /* |
| * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| package com.sun.hotspot.igv.selectioncoordinator; |
| |
| import com.sun.hotspot.igv.data.ChangedEvent; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * |
| * @author Thomas |
| */ |
| public class SelectionCoordinator { |
| |
| private static SelectionCoordinator singleInstance = new SelectionCoordinator(); |
| private Set<Object> selectedObjects; |
| private Set<Object> highlightedObjects; |
| private ChangedEvent<SelectionCoordinator> selectedChangedEvent; |
| private ChangedEvent<SelectionCoordinator> highlightedChangedEvent; |
| |
| public static SelectionCoordinator getInstance() { |
| return singleInstance; |
| } |
| |
| private SelectionCoordinator() { |
| selectedChangedEvent = new ChangedEvent<>(this); |
| highlightedChangedEvent = new ChangedEvent<>(this); |
| selectedObjects = new HashSet<>(); |
| highlightedObjects = new HashSet<>(); |
| } |
| |
| public Set<Object> getSelectedObjects() { |
| return Collections.unmodifiableSet(selectedObjects); |
| } |
| |
| public Set<Object> getHighlightedObjects() { |
| return Collections.unmodifiableSet(highlightedObjects); |
| } |
| |
| public ChangedEvent<SelectionCoordinator> getHighlightedChangedEvent() { |
| return highlightedChangedEvent; |
| } |
| |
| public ChangedEvent<SelectionCoordinator> getSelectedChangedEvent() { |
| return selectedChangedEvent; |
| } |
| |
| public void addHighlighted(Object o) { |
| if (!highlightedObjects.contains(o)) { |
| highlightedObjects.add(o); |
| highlightedObjectsChanged(); |
| } |
| } |
| |
| public void removeHighlighted(Object o) { |
| if (highlightedObjects.contains(o)) { |
| highlightedObjects.remove(o); |
| highlightedObjectsChanged(); |
| } |
| } |
| |
| public void addAllHighlighted(Set<? extends Object> s) { |
| int oldSize = highlightedObjects.size(); |
| highlightedObjects.addAll(s); |
| if (oldSize != highlightedObjects.size()) { |
| highlightedObjectsChanged(); |
| } |
| } |
| |
| public void removeAllHighlighted(Set<? extends Object> s) { |
| int oldSize = highlightedObjects.size(); |
| highlightedObjects.removeAll(s); |
| if (oldSize != highlightedObjects.size()) { |
| highlightedObjectsChanged(); |
| } |
| } |
| |
| private void highlightedObjectsChanged() { |
| highlightedChangedEvent.fire(); |
| |
| } |
| |
| public void addAllSelected(Set<? extends Object> s) { |
| int oldSize = selectedObjects.size(); |
| selectedObjects.addAll(s); |
| if (oldSize != selectedObjects.size()) { |
| selectedObjectsChanged(); |
| } |
| } |
| |
| public void removeAllSelected(Set<? extends Object> s) { |
| int oldSize = selectedObjects.size(); |
| selectedObjects.removeAll(s); |
| if (oldSize != selectedObjects.size()) { |
| selectedObjectsChanged(); |
| } |
| } |
| |
| public void setSelectedObjects(Set<? extends Object> s) { |
| assert s != null; |
| selectedObjects.clear(); |
| selectedObjects.addAll(s); |
| selectedObjectsChanged(); |
| } |
| |
| private void selectedObjectsChanged() { |
| selectedChangedEvent.fire(); |
| } |
| |
| public void setHighlightedObjects(Set<? extends Object> s) { |
| assert s != null; |
| this.highlightedObjects.clear(); |
| this.highlightedObjects.addAll(s); |
| highlightedObjectsChanged(); |
| } |
| } |