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.
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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
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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.search.project;
043:
044: import java.beans.PropertyChangeEvent;
045: import java.beans.PropertyChangeListener;
046: import org.netbeans.api.project.Project;
047: import org.netbeans.api.project.ProjectUtils;
048: import org.netbeans.api.project.SourceGroup;
049: import org.netbeans.api.project.Sources;
050: import org.netbeans.api.project.ui.OpenProjects;
051: import org.netbeans.api.project.ui.OpenProjects;
052: import org.openide.filesystems.FileObject;
053: import org.openide.util.WeakListeners;
054: import org.openidex.search.FileObjectFilter;
055: import org.openidex.search.SearchInfo;
056: import org.openidex.search.SearchInfoFactory;
057: import org.netbeans.modules.search.AbstractSearchScope;
058:
059: /**
060: * Base class for implementations of search scopes depending on the set
061: * of open projects.
062: *
063: * @author Marian Petras
064: */
065: abstract class AbstractProjectSearchScope extends AbstractSearchScope
066: implements PropertyChangeListener {
067:
068: private final String interestingProperty;
069: private PropertyChangeListener openProjectsWeakListener;
070:
071: protected AbstractProjectSearchScope(String interestingProperty) {
072: super ();
073: this .interestingProperty = interestingProperty;
074: }
075:
076: protected void startListening() {
077: OpenProjects openProjects = OpenProjects.getDefault();
078: openProjectsWeakListener = WeakListeners.propertyChange(this ,
079: openProjects);
080: openProjects
081: .addPropertyChangeListener(openProjectsWeakListener);
082: }
083:
084: protected void stopListening() {
085: OpenProjects.getDefault().removePropertyChangeListener(
086: openProjectsWeakListener);
087: openProjectsWeakListener = null;
088: }
089:
090: public final void propertyChange(PropertyChangeEvent e) {
091: if (interestingProperty.equals(e.getPropertyName())) {
092: updateIsApplicable();
093: }
094: }
095:
096: protected SearchInfo createSingleProjectSearchInfo(Project project) {
097: SearchInfo prjSearchInfo = project.getLookup().lookup(
098: SearchInfo.class);
099: if (prjSearchInfo != null) {
100: return prjSearchInfo;
101: }
102:
103: Sources sources = ProjectUtils.getSources(project);
104: SourceGroup[] sourceGroups = sources
105: .getSourceGroups(Sources.TYPE_GENERIC);
106:
107: if (sourceGroups.length == 0) {
108: return createEmptySearchInfo();
109: }
110:
111: FileObjectFilter[] filters = new FileObjectFilter[] {
112: SearchInfoFactory.VISIBILITY_FILTER,
113: SearchInfoFactory.SHARABILITY_FILTER };
114: if (sourceGroups.length == 1) {
115: return SearchInfoFactory.createSearchInfo(sourceGroups[0]
116: .getRootFolder(), true, filters);
117: } else {
118: FileObject[] rootFolders = new FileObject[sourceGroups.length];
119: for (int i = 0; i < sourceGroups.length; i++) {
120: rootFolders[i] = sourceGroups[i].getRootFolder();
121: }
122: return SearchInfoFactory.createSearchInfo(rootFolders,
123: true, filters);
124: }
125: }
126:
127: }
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