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Java > Open Source Codes > org > netbeans > modules > xml > xam > ModelAccess


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
20 package org.netbeans.modules.xml.xam;
21
22 import java.io.IOException JavaDoc;
23 import javax.swing.event.UndoableEditListener JavaDoc;
24
25 /**
26  * Access to the underlying structure of the model.
27  *
28  * @author Nam Nguyen
29  */
30
31 public abstract class ModelAccess {
32     
33     public abstract void addUndoableEditListener(UndoableEditListener JavaDoc listener);
34     public abstract void removeUndoableEditListener(UndoableEditListener JavaDoc listener);
35     
36     public abstract void prepareForUndoRedo();
37     public abstract void finishUndoRedo();
38     
39     public void prepareSync() { }
40     public abstract Model.State sync() throws IOException JavaDoc;
41     
42     public abstract void flush();
43
44
45     private boolean autoSync = true;
46     public boolean isAutoSync() {
47         return autoSync;
48     }
49     public void setAutoSync(boolean value) {
50         autoSync = value;
51     }
52     
53     /**
54      * Returns length in milliseconds since last edit if the model source buffer
55      * is dirty, or 0 if the model source is not dirty. Class of domain model
56      * implementations should provide override.
57      */
58     public long dirtyIntervalMillis() {
59         return 0;
60     }
61     /**
62      * Unset mark for dirty source buffer.
63      */
64     public void unsetDirty() {
65         // subclass need to override
66 }
67     
68 }
69
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