01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * Contributor(s):
25: *
26: * The Original Software is NetBeans. The Initial Developer of the Original
27: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
28: * Microsystems, Inc. All Rights Reserved.
29: *
30: * If you wish your version of this file to be governed by only the CDDL
31: * or only the GPL Version 2, indicate your decision by adding
32: * "[Contributor] elects to include this software in this distribution
33: * under the [CDDL or GPL Version 2] license." If you do not indicate a
34: * single choice of license, a recipient has the option to distribute
35: * your version of this file under either the CDDL, the GPL Version 2 or
36: * to extend the choice of license to its licensees as provided above.
37: * However, if you add GPL Version 2 code and therefore, elected the GPL
38: * Version 2 license, then the option applies only if the new code is
39: * made subject to such option by the copyright holder.
40: */
41:
42: package org.netbeans.modules.xml.xam;
43:
44: import java.io.IOException;
45: import javax.swing.event.UndoableEditListener;
46:
47: /**
48: * Access to the underlying structure of the model.
49: *
50: * @author Nam Nguyen
51: */
52:
53: public abstract class ModelAccess {
54:
55: public abstract void addUndoableEditListener(
56: UndoableEditListener listener);
57:
58: public abstract void removeUndoableEditListener(
59: UndoableEditListener listener);
60:
61: public abstract void prepareForUndoRedo();
62:
63: public abstract void finishUndoRedo();
64:
65: public void prepareSync() {
66: }
67:
68: public abstract Model.State sync() throws IOException;
69:
70: public abstract void flush();
71:
72: private boolean autoSync = true;
73:
74: public boolean isAutoSync() {
75: return autoSync;
76: }
77:
78: public void setAutoSync(boolean value) {
79: autoSync = value;
80: }
81:
82: /**
83: * Returns length in milliseconds since last edit if the model source buffer
84: * is dirty, or 0 if the model source is not dirty. Class of domain model
85: * implementations should provide override.
86: */
87: public long dirtyIntervalMillis() {
88: return 0;
89: }
90:
91: /**
92: * Unset mark for dirty source buffer.
93: */
94: public void unsetDirty() {
95: // subclass need to override
96: }
97:
98: }
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