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: * EjbRootNodeChildren.java
043: *
044: * Created on May 3, 2004, 11:04 PM
045: */
046:
047: package org.netbeans.modules.visualweb.ejb.nodes;
048:
049: import org.netbeans.modules.visualweb.ejb.datamodel.EjbDataModel;
050: import org.netbeans.modules.visualweb.ejb.datamodel.EjbDataModelListener;
051: import org.netbeans.modules.visualweb.ejb.datamodel.EjbGroup;
052: import java.util.Collections;
053: import org.openide.nodes.Children;
054: import org.openide.nodes.Node;
055:
056: /**
057: * The container for the EjbRootNode children
058: *
059: * @author cao
060: */
061: public class EjbRootNodeChildren extends Children.Keys implements
062: EjbDataModelListener {
063: public EjbRootNodeChildren() {
064: }
065:
066: protected org.openide.nodes.Node[] createNodes(Object key) {
067: if (key instanceof String) {
068: EjbGroup ejbGrp = EjbDataModel.getInstance().getEjbGroup(
069: (String) key);
070:
071: Node node = new EjbGroupNode(ejbGrp);
072: return new Node[] { node };
073: } else
074: return null;
075: }
076:
077: protected void addNotify() {
078: // Set the keys for the children
079:
080: super .addNotify();
081: setKeys(EjbDataModel.getInstance().getEjbGroupNames());
082:
083: // Listen on the changes in the EjbDataModel
084: EjbDataModel.getInstance().addListener(this );
085: }
086:
087: protected void removeNotify() {
088: setKeys(Collections.EMPTY_SET);
089: super .removeNotify();
090:
091: // No need to listen on the data model any more
092: EjbDataModel.getInstance().removeListener(this );
093: }
094:
095: public void groupAdded(
096: org.netbeans.modules.visualweb.ejb.datamodel.EjbDataModelEvent modelEvent) {
097: setKeys(EjbDataModel.getInstance().getEjbGroupNames());
098: }
099:
100: public void groupChanged(
101: org.netbeans.modules.visualweb.ejb.datamodel.EjbDataModelEvent modelEvent) {
102: setKeys(EjbDataModel.getInstance().getEjbGroupNames());
103: }
104:
105: public void groupDeleted(
106: org.netbeans.modules.visualweb.ejb.datamodel.EjbDataModelEvent modelEvent) {
107: setKeys(EjbDataModel.getInstance().getEjbGroupNames());
108: }
109:
110: public void groupsDeleted() {
111: setKeys(EjbDataModel.getInstance().getEjbGroupNames());
112: }
113:
114: }
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