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.tasklist.projectint;
043:
044: import java.util.ArrayList;
045: import java.util.Collection;
046: import java.util.Iterator;
047: import org.netbeans.api.project.Project;
048: import org.netbeans.api.project.ProjectUtils;
049: import org.netbeans.api.project.SourceGroup;
050: import org.netbeans.api.project.Sources;
051: import org.netbeans.api.project.ui.OpenProjects;
052: import org.netbeans.spi.project.SubprojectProvider;
053: import org.openide.filesystems.FileObject;
054:
055: /**
056: * Iterate all resources (files and folders) that are under the current main project
057: * and under opened projects that depend on the main one.
058: * The iretator is empty when no project has been set as the main one.
059: *
060: * @author S. Aubrecht
061: */
062: class MainProjectIterator implements Iterator<FileObject> {
063:
064: private Iterator<FileObject> iterator;
065: private Collection<FileObject> editedFiles;
066:
067: /** Creates a new instance of MainProjectIterator */
068: public MainProjectIterator(Collection<FileObject> editedFiles) {
069: this .editedFiles = editedFiles;
070: }
071:
072: public boolean hasNext() {
073: initialize();
074: return iterator.hasNext();
075: }
076:
077: public FileObject next() {
078: initialize();
079: return iterator.next();
080: }
081:
082: public void remove() {
083: throw new UnsupportedOperationException();
084: }
085:
086: private void initialize() {
087: if (null == iterator) {
088: iterator = createIterator();
089: }
090: }
091:
092: protected Iterator<FileObject> createIterator() {
093: Project mainProject = OpenProjects.getDefault()
094: .getMainProject();
095: if (null == mainProject) {
096: return new EmptyIterator();
097: }
098:
099: ArrayList<FileObject> roots = new ArrayList<FileObject>(10);
100:
101: addProject(mainProject, roots);
102:
103: addDependantProjects(mainProject, roots);
104:
105: return new FileObjectIterator(roots, editedFiles);
106: }
107:
108: private void addDependantProjects(Project mainProject,
109: ArrayList<FileObject> roots) {
110: Project[] projects = OpenProjects.getDefault()
111: .getOpenProjects();
112: for (int i = 0; i < projects.length; i++) {
113: if (projects[i].equals(mainProject))
114: continue;
115:
116: SubprojectProvider subProjectProvider = projects[i]
117: .getLookup().lookup(SubprojectProvider.class);
118: if (null != subProjectProvider
119: && subProjectProvider.getSubprojects().contains(
120: mainProject)) {
121: addProject(projects[i], roots);
122: }
123: }
124: }
125:
126: private void addProject(Project p, ArrayList<FileObject> roots) {
127: Sources sources = ProjectUtils.getSources(p);
128: SourceGroup[] groups = sources
129: .getSourceGroups(Sources.TYPE_GENERIC);
130: for (SourceGroup group : groups) {
131: FileObject rootFolder = group.getRootFolder();
132: roots.add(rootFolder);
133: }
134: }
135: }
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