NonEditableDocument


1   /*
2    * The contents of this file are subject to the terms of the Common Development
3    * and Distribution License (the License). You may not use this file except in
4    * compliance with the License.
5    *
6    * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7    * or http://www.netbeans.org/cddl.txt.
8    *
9    * When distributing Covered Code, include this CDDL Header Notice in each file
10   * and include the License file at http://www.netbeans.org/cddl.txt.
11   * If applicable, add the following below the CDDL Header, with the fields
12   * enclosed by brackets [] replaced by your own identifying information:
13   * "Portions Copyrighted [year] [name of copyright owner]"
14   *
15   * The Original Software is NetBeans. The Initial Developer of the Original
16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17   * Microsystems, Inc. All Rights Reserved.
18   */
19  package org.netbeans.modules.j2ee.ddloaders.multiview;
20  
21  import javax.swing.text.PlainDocument  ;
22  import javax.swing.text.BadLocationException  ;
23  import javax.swing.text.AttributeSet  ;
24  
25  /**
26   * @author pfiala
27   */
28  public abstract class NonEditableDocument extends PlainDocument   {
29  
30      String   text = null;
31  
32      protected abstract String   retrieveText();
33  
34      protected NonEditableDocument() {
35          init();
36      }
37  
38      public void init() {
39          String   s = retrieveText();
40          if (s == null) {
41              s = "";
42          }
43          if (!s.equals(text)) {
44              text = s;
45              try {
46                  super.remove(0, super.getLength());
47                  super.insertString(0, s, null);
48              } catch (BadLocationException   e) {
49  
50              }
51          }
52      }
53  
54      public void insertString(int offset, String   str, AttributeSet   a) throws BadLocationException   {
55  
56      }
57  
58      public void remove(int offs, int len) throws BadLocationException   {
59  
60      }
61  }
62
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