DefaultCompletionEngine


1   /*
2     Copyright (C) 2003 Renaud Pawlak <renaud@aopsys.com>
3     
4     This program is free software; you can redistribute it and/or modify
5     it under the terms of the GNU Lesser General Public License as
6     published by the Free Software Foundation; either version 2 of the
7     License, or (at your option) any later version.
8   
9     This program is distributed in the hope that it will be useful, but
10    WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Lesser General Public License for more details.
13  
14    You should have received a copy of the GNU Lesser General Public
15    License along with this program; if not, write to the Free Software
16    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
17    USA */
18  
19  package org.objectweb.jac.aspects.gui.swing;
20  
21  import java.util.List  ;
22  
23  /**
24   * This class implements a default completion engines for editors. It
25   * is non contextual (i.e. the proposed completions are always the
26   * same and are the ones defined by <code>addBaseWord</code>. */
27  
28  public class DefaultCompletionEngine extends CompletionEngine {
29  
30     /**
31      * In the default completion engine, this method only returns base
32      * words (i.e. non-contextual words).
33      * 
34      * @param text the editor's full text
35      * @param position the cursor position
36      * @param writtenText the already written text */
37  
38     public List getContextualChoices(String   text, int position, 
39                                      String   writtenText) {
40        return baseWords;
41     }
42  
43     /**
44      * This method always returns false (no automatic completion is
45      * supported). */
46  
47     public boolean isAutomaticCompletionChar(char c) {
48        return false;
49     }
50     
51     /**
52      * Do nothing (anyway it is never called because
53      * <code>isAutomaticCompletionChar</code> always returns
54      * false). */
55     
56     public void runAutomaticCompletion(SHEditor editor,
57                                        String   text, 
58                                        int position,
59                                        char c) {}
60     
61  }
62
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