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:
042: package org.netbeans.api.languages;
043:
044: import javax.swing.text.Document;
045: import javax.swing.text.JTextComponent;
046: import org.netbeans.api.languages.ASTToken;
047: import org.netbeans.api.lexer.TokenHierarchy;
048: import org.netbeans.api.lexer.TokenSequence;
049: import org.netbeans.modules.editor.NbEditorUtilities;
050: import org.openide.cookies.EditorCookie;
051: import org.openide.loaders.DataObject;
052:
053: /**
054: * Represents context for methods called from nbs files. This version of context
055: * contains syntax information too.
056: *
057: * @author Jan Jancura
058: */
059: public abstract class SyntaxContext extends Context {
060:
061: /**
062: * Returns current AST path.
063: *
064: * @return current AST path
065: */
066: public abstract ASTPath getASTPath();
067:
068: /**
069: * Creates a new SyntaxContext.
070: *
071: * @return a new SyntaxContext
072: */
073: public static SyntaxContext create(Document doc, ASTPath path) {
074: return new CookieImpl(doc, path);
075: }
076:
077: private static class CookieImpl extends SyntaxContext {
078:
079: private Document doc;
080: private ASTPath path;
081: private JTextComponent component;
082:
083: CookieImpl(Document doc, ASTPath path) {
084: this .doc = doc;
085: this .path = path;
086: }
087:
088: public JTextComponent getJTextComponent() {
089: if (component == null) {
090: DataObject dob = NbEditorUtilities.getDataObject(doc);
091: EditorCookie ec = dob.getLookup().lookup(
092: EditorCookie.class);
093: if (ec.getOpenedPanes().length > 0)
094: component = ec.getOpenedPanes()[0];
095: }
096: return component;
097: }
098:
099: public ASTPath getASTPath() {
100: return path;
101: }
102:
103: public Document getDocument() {
104: return doc;
105: }
106:
107: public int getOffset() {
108: return path.getLeaf().getOffset();
109: }
110: }
111: }
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