001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
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040: */
041: package org.netbeans.modules.visual.anchor;
042:
043: import org.netbeans.api.visual.model.StateModel;
044: import org.netbeans.api.visual.widget.Widget;
045: import org.netbeans.api.visual.anchor.Anchor;
046:
047: import java.awt.*;
048:
049: /**
050: * @author David Kaspar
051: */
052: public final class ProxyAnchor extends Anchor implements
053: StateModel.Listener {
054:
055: private StateModel model;
056: private Anchor[] anchors;
057: private int index;
058:
059: public ProxyAnchor(StateModel model, Anchor... anchors) {
060: super (null);
061: // assert model != null && model.getMaxStates () == anchors.length;
062: this .model = model;
063: this .anchors = anchors;
064: this .index = model.getState();
065: }
066:
067: public StateModel getModel() {
068: return model;
069: }
070:
071: protected void notifyEntryAdded(Entry entry) {
072: anchors[index].addEntry(entry);
073: }
074:
075: protected void notifyEntryRemoved(Entry entry) {
076: anchors[index].removeEntry(entry);
077: }
078:
079: protected void notifyUsed() {
080: model.addListener(this );
081: }
082:
083: protected void notifyUnused() {
084: model.removeListener(this );
085: }
086:
087: public void stateChanged() {
088: int state = getModel().getState();
089: if (index == state)
090: return;
091: anchors[index].removeEntries(getEntries());
092: index = state;
093: anchors[index].addEntries(getEntries());
094: revalidateDependency();
095: }
096:
097: public Point getRelatedSceneLocation() {
098: return anchors[index].getRelatedSceneLocation();
099: }
100:
101: public Widget getRelatedWidget() {
102: return anchors[index].getRelatedWidget();
103: }
104:
105: public Anchor.Result compute(Anchor.Entry entry) {
106: return anchors[index].compute(entry);
107: }
108:
109: }
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