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: package org.netbeans.modules.visualweb.dataconnectivity.model;
042:
043: import java.beans.PropertyChangeEvent;
044: import java.beans.PropertyChangeListener;
045: import java.lang.ref.WeakReference;
046: import java.util.Arrays;
047: import java.util.HashSet;
048: import java.util.LinkedHashSet;
049: import java.util.List;
050: import java.util.Set;
051: import org.netbeans.api.project.Project;
052: import org.netbeans.api.project.ui.OpenProjects;
053: import org.netbeans.modules.visualweb.dataconnectivity.project.datasource.ProjectOpenedEvent;
054: import org.netbeans.modules.visualweb.dataconnectivity.project.datasource.ProjectOpenedListener;
055:
056: /**
057: *
058: * @author John Baker
059: */
060: public class OpenProjectDetector {
061: private Set listeners = new HashSet();
062:
063: public OpenProjectDetector() {
064: }
065:
066: public void notifyProjectOpened() {
067: OpenProjects.getDefault().addPropertyChangeListener(
068: new PropertyChangeListener() {
069: public void propertyChange(PropertyChangeEvent evt) {
070: if (OpenProjects.PROPERTY_OPEN_PROJECTS
071: .equals(evt.getPropertyName())) {
072: List<Project> oldOpenProjectsList = Arrays
073: .asList((Project[]) evt
074: .getOldValue());
075: List<Project> newOpenProjectsList = Arrays
076: .asList((Project[]) evt
077: .getNewValue());
078: //
079: // Set<Project> closedProjectsSet = new LinkedHashSet<Project>(oldOpenProjectsList);
080: // closedProjectsSet.removeAll(newOpenProjectsList);
081: // for (Project project : closedProjectsSet) {
082: // // do nothing for now
083: // }
084: //
085: Set<Project> openedProjectsSet = new LinkedHashSet<Project>(
086: newOpenProjectsList);
087: openedProjectsSet
088: .removeAll(oldOpenProjectsList);
089: for (Project project : openedProjectsSet) {
090: // fire an event to notify listeners that a project opened
091: new ProjectOpenedEvent(project);
092: }
093: }
094: }
095: });
096: }
097:
098: public void addProjectOpenedListener(ProjectOpenedListener listener) {
099: listeners.add(new WeakReference(listener));
100:
101: }
102:
103: public void removeProjectOpenedListener(
104: ProjectOpenedListener listener) {
105: // need listeners for duration of IDE session
106: }
107:
108: }
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