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03: * Copyright (c) 2001-2007, JavaPLT group at Rice University (javaplt@rice.edu)
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07: * modification, are permitted provided that the following conditions are met:
08: * * Redistributions of source code must retain the above copyright
09: * notice, this list of conditions and the following disclaimer.
10: * * Redistributions in binary form must reproduce the above copyright
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12: * documentation and/or other materials provided with the distribution.
13: * * Neither the names of DrJava, the JavaPLT group, Rice University, nor the
14: * names of its contributors may be used to endorse or promote products
15: * derived from this software without specific prior written permission.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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36:
37: package edu.rice.cs.drjava.model.definitions.indent;
38:
39: import edu.rice.cs.drjava.model.AbstractDJDocument;
40: import edu.rice.cs.util.UnexpectedException;
41:
42: import javax.swing.text.BadLocationException;
43:
44: /** Indents the current line in the document to the indent level of the start of the statement that the cursor is
45: * currently on, plus the given suffix string.
46: * @version $Id: ActionStartCurrStmtPlus.java 4255 2007-08-28 19:17:37Z mgricken $
47: */
48: public class ActionStartCurrStmtPlus extends IndentRuleAction {
49: private String _suffix;
50:
51: /** Constructs a new rule with the given suffix string.
52: * @param suffix String to append to indent level of brace
53: */
54: public ActionStartCurrStmtPlus(String suffix) {
55: super ();
56: _suffix = suffix;
57: }
58:
59: /** Properly indents the line that the caret is currently on. Replaces all whitespace characters at the beginning
60: * of the line with the appropriate spacing or characters.
61: * @param doc AbstractDJDocument containing the line to be indented.
62: * @param reason The reason that the indentition is taking place
63: * @return true if the caller should update the current location itself,
64: * false if the indenter has already handled this
65: */
66: public boolean indentLine(AbstractDJDocument doc,
67: Indenter.IndentReason reason) {
68: boolean supResult = super .indentLine(doc, reason);
69:
70: /** This method is simply a call to getIndentOfCurrStmt, which is fully tested in IndentHelperTest, so no additional
71: * tests are provided for this class.
72: */
73:
74: String indent = "";
75:
76: try {
77: indent = doc.getIndentOfCurrStmt(doc.getCurrentLocation(),
78: new char[] { ';', '{', '}' }, new char[] { ' ',
79: '\t', '\n' });
80: } catch (BadLocationException e) {
81: throw new UnexpectedException(e);
82: }
83:
84: indent = indent + _suffix;
85: doc.setTab(indent, doc.getCurrentLocation());
86:
87: return supResult;
88: }
89: }
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