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: package org.netbeans.modules.gsfret.navigation;
042:
043: import java.util.ArrayList;
044: import java.util.Collections;
045: import java.util.List;
046: import org.netbeans.modules.gsf.api.CancellableTask;
047: import org.netbeans.napi.gsfret.source.CompilationInfo;
048: import org.netbeans.napi.gsfret.source.Source.Priority;
049: import org.netbeans.modules.gsf.LanguageRegistry;
050: import org.openide.filesystems.FileObject;
051: import org.openide.filesystems.FileUtil;
052: import org.openide.util.Lookup;
053: import org.netbeans.napi.gsfret.source.Phase;
054: import org.netbeans.napi.gsfret.source.support.LookupBasedSourceTaskFactory;
055:
056: /**
057: * This file is originally from Retouche, the Java Support
058: * infrastructure in NetBeans. I have modified the file as little
059: * as possible to make merging Retouche fixes back as simple as
060: * possible.
061: * <p>
062: *
063: * @author Jan Lahoda, Petr Hrebejk
064: */
065: public final class ClassMemberNavigatorSourceFactory extends
066: LookupBasedSourceTaskFactory {
067:
068: private ClassMemberPanelUI ui;
069: private static final CancellableTask<CompilationInfo> EMPTY_TASK = new CancellableTask<CompilationInfo>() {
070:
071: public void cancel() {
072: }
073:
074: public void run(CompilationInfo parameter) throws Exception {
075: }
076: };
077:
078: static ClassMemberNavigatorSourceFactory getInstance() {
079: return Lookup.getDefault().lookup(
080: ClassMemberNavigatorSourceFactory.class);
081: }
082:
083: public ClassMemberNavigatorSourceFactory() {
084: super (Phase.ELEMENTS_RESOLVED, Priority.LOW);
085: }
086:
087: public synchronized CancellableTask<CompilationInfo> createTask(
088: FileObject file) {
089: // System.out.println("CREATE TASK FOR " + file.getNameExt() );
090: if (ui == null) {
091: return EMPTY_TASK;
092: } else {
093: return ui.getTask();
094: }
095: }
096:
097: public List<FileObject> getFileObjects() {
098: List<FileObject> result = new ArrayList<FileObject>();
099:
100: // Filter uninteresting files from the lookup
101: LanguageRegistry registry = LanguageRegistry.getInstance();
102: for (FileObject fileObject : super .getFileObjects()) {
103: if (!registry.isSupported(FileUtil.getMIMEType(fileObject))) {
104: continue;
105: }
106: result.add(fileObject);
107: }
108:
109: if (result.size() == 1)
110: return result;
111:
112: return Collections.emptyList();
113: }
114:
115: public synchronized void setLookup(Lookup l, ClassMemberPanelUI ui) {
116: this .ui = ui;
117: super .setLookup(l);
118: }
119:
120: @Override
121: protected void lookupContentChanged() {
122: // System.out.println("lookupContentChanged");
123: if (ui != null) {
124: ui.showWaitNode(); // Creating new task (file changed)
125: }
126: }
127:
128: }
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