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.cnd.highlight.semantic;
042:
043: import java.lang.ref.WeakReference;
044: import javax.swing.text.Document;
045: import org.netbeans.api.editor.mimelookup.MimeLookup;
046: import org.netbeans.api.editor.mimelookup.MimePath;
047: import org.netbeans.api.editor.settings.FontColorSettings;
048: import org.netbeans.editor.BaseDocument;
049: import org.netbeans.modules.cnd.model.tasks.CsmFileTaskFactory.PhaseRunner;
050: import org.netbeans.spi.editor.highlighting.support.OffsetsBag;
051: import org.openide.util.Lookup;
052: import org.openide.util.LookupEvent;
053: import org.openide.util.LookupListener;
054: import org.openide.util.WeakListeners;
055:
056: /**
057: *
058: * @author Sergey Grinev
059: */
060: public abstract class HighlighterBase implements PhaseRunner,
061: LookupListener {
062:
063: private final String mime;
064: private final OffsetsBag bag;
065: private final WeakReference<BaseDocument> weakDoc;
066:
067: public HighlighterBase(Document doc) {
068: bag = new OffsetsBag(doc);
069: mime = (String) doc.getProperty("mimeType"); //NOI18N
070: Lookup lookup = MimeLookup.getLookup(MimePath.get(mime));
071: Lookup.Result<FontColorSettings> result = lookup
072: .lookup(new Lookup.Template<FontColorSettings>(
073: FontColorSettings.class));
074: result.addLookupListener(WeakListeners.create(
075: LookupListener.class, this , null));
076: result.allInstances();
077:
078: if (doc instanceof BaseDocument) {
079: weakDoc = new WeakReference<BaseDocument>(
080: (BaseDocument) doc);
081: } else {
082: weakDoc = null;
083: }
084:
085: updateFontColors();
086: }
087:
088: protected BaseDocument getDocument() {
089: return weakDoc != null ? weakDoc.get() : null;
090: }
091:
092: public OffsetsBag getHighlightsBag() {
093: return bag;
094: }
095:
096: // LookupListener
097: public void resultChanged(LookupEvent ev) {
098: updateFontColors();
099: run(PhaseRunner.Phase.INIT);
100: }
101:
102: public void updateFontColors() {
103: Lookup lookup = MimeLookup.getLookup(MimePath.get(mime));
104: FontColorSettings fcs = lookup.lookup(FontColorSettings.class);
105: initFontColors(fcs);
106: }
107:
108: protected abstract void initFontColors(FontColorSettings fcs);
109:
110: protected boolean isCancelled() {
111: return Thread.interrupted();
112: }
113: }
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