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
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019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
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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
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040: */
041:
042: package org.apache.tools.ant.module.nodes;
043:
044: import java.io.IOException;
045: import java.text.Collator;
046: import java.util.Collection;
047: import java.util.Collections;
048: import java.util.Comparator;
049: import java.util.Iterator;
050: import java.util.Set;
051: import java.util.SortedSet;
052: import java.util.TreeSet;
053: import javax.swing.event.ChangeEvent;
054: import javax.swing.event.ChangeListener;
055: import org.apache.tools.ant.module.AntModule;
056: import org.apache.tools.ant.module.api.AntProjectCookie;
057: import org.apache.tools.ant.module.api.support.TargetLister;
058: import org.openide.ErrorManager;
059: import org.openide.nodes.Children;
060: import org.openide.nodes.Node;
061:
062: final class AntProjectChildren extends
063: Children.Keys<TargetLister.Target> implements ChangeListener,
064: Comparator<TargetLister.Target> {
065:
066: private static Collator SORTER = Collator.getInstance();
067:
068: private final AntProjectCookie cookie;
069: private SortedSet<TargetLister.Target> allTargets;
070:
071: public AntProjectChildren(AntProjectCookie cookie) {
072: super ();
073: this .cookie = cookie;
074: }
075:
076: @Override
077: protected void addNotify() {
078: super .addNotify();
079: refreshKeys(true);
080: cookie.addChangeListener(this );
081: }
082:
083: @Override
084: protected void removeNotify() {
085: super .removeNotify();
086: setKeys(Collections.<TargetLister.Target> emptySet());
087: synchronized (this ) {
088: allTargets = null;
089: }
090: cookie.removeChangeListener(this );
091: }
092:
093: private void refreshKeys(boolean createKeys) {
094: try {
095: Set<TargetLister.Target> _allTargets = TargetLister
096: .getTargets(cookie);
097: Collection<TargetLister.Target> keys;
098: synchronized (this ) {
099: if (allTargets == null && !createKeys) {
100: // Aynch refresh after removeNotify; ignore. (#44428)
101: return;
102: }
103: allTargets = new TreeSet<TargetLister.Target>(this );
104: allTargets.addAll(_allTargets);
105: Iterator<TargetLister.Target> it = allTargets
106: .iterator();
107: while (it.hasNext()) {
108: TargetLister.Target t = it.next();
109: if (t.isOverridden()) {
110: // Don't include these.
111: it.remove();
112: }
113: }
114: keys = allTargets;
115: }
116: if (keys != null) { // #65235
117: setKeys(keys);
118: }
119: } catch (IOException e) {
120: // XXX should mark the project node as being somehow in error
121: AntModule.err.notify(ErrorManager.INFORMATIONAL, e);
122: setKeys(Collections.<TargetLister.Target> emptySet());
123: }
124: }
125:
126: protected Node[] createNodes(TargetLister.Target key) {
127: return new Node[] { new AntTargetNode(cookie, key) };
128: }
129:
130: public void stateChanged(ChangeEvent ev) {
131: refreshKeys(false);
132: }
133:
134: public int compare(TargetLister.Target t1, TargetLister.Target t2) {
135: int x = SORTER.compare(t1.getName(), t2.getName());
136: if (x != 0 || t1 == t2) {
137: return x;
138: } else {
139: // #44491: was not displaying overridden targets.
140: return System.identityHashCode(t1)
141: - System.identityHashCode(t2);
142: }
143: }
144:
145: }
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