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
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.modules.compapp.casaeditor.navigator;
043:
044: import java.awt.BorderLayout;
045: import javax.swing.JComponent;
046: import javax.swing.JPanel;
047: import org.netbeans.api.visual.widget.Scene;
048: import org.netbeans.modules.compapp.casaeditor.CasaDataObject;
049:
050: /**
051: *
052: * @author Josh Sandusky
053: */
054: public class CasaSatelliteContentPanel extends JPanel {
055:
056: private SatelliteTracker mTracker = new SatelliteTracker();
057:
058: public CasaSatelliteContentPanel() {
059: setLayout(new BorderLayout());
060: }
061:
062: public void navigate(CasaDataObject dataObject) {
063: if (dataObject == null && mTracker.hasSatelliteComponent()) {
064: removeAll();
065: }
066: if (dataObject == null) {
067: return;
068: }
069:
070: Scene scene = dataObject.getEditorSupport().getScene();
071:
072: if (scene != null) {
073: boolean isSceneChanged = false;
074: if (!mTracker.isSameScene(scene)) {
075: isSceneChanged = true;
076: removeAll();
077: }
078: if (!mTracker.hasSatelliteComponent() || isSceneChanged) {
079: JComponent satellite = mTracker
080: .newSatelliteComponent(scene);
081: add(satellite, BorderLayout.CENTER);
082: revalidate();
083: }
084: }
085: }
086:
087: private static class SatelliteTracker {
088: private Scene mScene;
089: private JComponent mSatelliteComponent;
090:
091: public boolean isSameScene(Scene scene) {
092: return mScene != null && mScene == scene;
093: }
094:
095: public boolean hasSatelliteComponent() {
096: return mSatelliteComponent != null;
097: }
098:
099: public JComponent newSatelliteComponent(Scene scene) {
100: mScene = scene;
101: mSatelliteComponent = mScene.createSatelliteView();
102:
103: return mSatelliteComponent;
104: }
105: }
106: }
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