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.cnd.editor.makefile;
043:
044: import javax.swing.text.BadLocationException;
045: import javax.swing.text.JTextComponent;
046:
047: import org.netbeans.editor.BaseDocument;
048: import org.netbeans.editor.Formatter;
049: import org.netbeans.editor.SettingsChangeEvent;
050: import org.netbeans.editor.Syntax;
051: import org.netbeans.editor.TokenItem;
052: import org.netbeans.editor.Utilities;
053: import org.netbeans.editor.ext.AbstractFormatLayer;
054: import org.netbeans.editor.ext.ExtFormatter;
055: import org.netbeans.editor.ext.FormatSupport;
056: import org.netbeans.editor.ext.FormatTokenPosition;
057: import org.netbeans.editor.ext.FormatWriter;
058:
059: /**
060: *
061: * @author gordonp
062: */
063: public class MakefileFormatter extends ExtFormatter {
064:
065: /** Creates a new instance of MakefileFormatter */
066: public MakefileFormatter(Class kitClass) {
067: super (kitClass);
068: }
069:
070: protected boolean acceptSyntax(Syntax syntax) {
071: return (syntax instanceof MakefileSyntax);
072: }
073:
074: public boolean expandTabs() {
075: return false;
076: }
077:
078: /**
079: * Force indentation to always be a tab. We shouldn't need this method except
080: * that IZ 88167 ignores our indent rules and indents 4 spaces. This forces
081: * indent to always be a tab. We're really overriding Formatter.getIndentString().
082: */
083: public String getIndentString(BaseDocument doc, int indent) {
084: JTextComponent tc = Utilities.getFocusedComponent();
085: int dot = tc.getCaret().getDot();
086: try {
087: int start = Utilities.getRowStart(doc, dot);
088: if (dot == start) {
089: return "\t"; // NOI18N
090: }
091: } catch (BadLocationException ex) {
092: }
093: return super .getIndentString(doc, indent);
094: }
095:
096: protected void initFormatLayers() {
097: addFormatLayer(new MakefileLayer());
098: }
099:
100: public FormatSupport createFormatSupport(FormatWriter fw) {
101: return new MakefileFormatSupport(fw);
102: }
103:
104: public class MakefileLayer extends AbstractFormatLayer {
105:
106: public MakefileLayer() {
107: super ("Makefile-layer"); // NOI18N
108: }
109:
110: public FormatSupport createFormatSupport(FormatWriter fw) {
111: return new MakefileFormatSupport(fw);
112: }
113:
114: public void format(FormatWriter fw) {
115: MakefileFormatSupport mfs = (MakefileFormatSupport) createFormatSupport(fw);
116: FormatTokenPosition pos = mfs.getFormatStartPosition();
117: TokenItem ti = mfs.getLastToken();
118:
119: if (mfs.isIndentOnly()) {
120: mfs.indentLine(pos);
121: }
122: }
123:
124: protected boolean expandTabs() {
125: return false;
126: }
127: }
128: }
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