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 1997-2006 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.xml.text.navigator.base;
043:
044: import java.util.Collection;
045: import javax.swing.JComponent;
046: import org.netbeans.spi.navigator.NavigatorPanel;
047: import org.openide.loaders.DataObject;
048: import org.openide.nodes.Node;
049: import org.openide.nodes.NodeAdapter;
050: import org.openide.nodes.NodeEvent;
051: import org.openide.util.Lookup;
052: import org.openide.util.LookupEvent;
053: import org.openide.util.LookupListener;
054: import org.openide.util.NbBundle;
055:
056: /**
057: * A base implementation of NavigatorPanel for all XML navigators.
058: *
059: * @author Samaresh
060: * @version 1.0
061: */
062: public abstract class AbstractXMLNavigatorPanel implements
063: NavigatorPanel {
064:
065: protected AbstractXMLNavigatorContent navigator;
066: protected Lookup.Result selection;
067: protected final LookupListener selectionListener = new LookupListener() {
068: public void resultChanged(LookupEvent ev) {
069: if (selection == null)
070: return;
071: navigate(selection.allInstances());
072: }
073: };
074:
075: /**
076: *
077: */
078: public AbstractXMLNavigatorPanel() {
079: getNavigatorUI();
080: }
081:
082: public abstract String getDisplayHint();
083:
084: public abstract String getDisplayName();
085:
086: /**
087: *
088: * @return AbstractXMLNavigatorContent
089: */
090: protected abstract AbstractXMLNavigatorContent getNavigatorUI();
091:
092: public JComponent getComponent() {
093: return getNavigatorUI();
094: }
095:
096: public Lookup getLookup() {
097: return null;
098: }
099:
100: public void panelActivated(Lookup context) {
101: getNavigatorUI().showWaitNode();
102: selection = context
103: .lookup(new Lookup.Template(DataObject.class));
104: selection.addLookupListener(selectionListener);
105: selectionListener.resultChanged(null);
106: }
107:
108: public void panelDeactivated() {
109: getNavigatorUI().showWaitNode();
110: if (selection != null) {
111: selection.removeLookupListener(selectionListener);
112: selection = null;
113: }
114: if (navigator != null)
115: navigator.release(); //hide the UI
116: }
117:
118: /**
119: *
120: * @param selectedFiles
121: */
122: public void navigate(Collection/*<DataObject>*/selectedFiles) {
123: if (selectedFiles.size() == 1) {
124: DataObject d = (DataObject) selectedFiles.iterator().next();
125: navigator.navigate(d);
126: }
127: }
128:
129: }
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