1 /****************************************************************************
2 **
3 ** Copyright (C) 2016 The Qt Company Ltd.
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of Qt Creator.
7 **
8 ** Commercial License Usage
9 ** Licensees holding valid commercial Qt licenses may use this file in
10 ** accordance with the commercial license agreement provided with the
11 ** Software or, alternatively, in accordance with the terms contained in
12 ** a written agreement between you and The Qt Company. For licensing terms
13 ** and conditions see https://www.qt.io/terms-conditions. For further
14 ** information use the contact form at https://www.qt.io/contact-us.
15 **
16 ** GNU General Public License Usage
17 ** Alternatively, this file may be used under the terms of the GNU
18 ** General Public License version 3 as published by the Free Software
19 ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
20 ** included in the packaging of this file. Please review the following
21 ** information to ensure the GNU General Public License requirements will
22 ** be met: https://www.gnu.org/licenses/gpl-3.0.html.
23 **
24 ****************************************************************************/
25 
26 #pragma once
27 
28 #include <qmldesignercorelib_global.h>
29 
30 #include <QPointer>
31 
32 namespace QmlDesigner {
33 
34 class AbstractView;
35 
36 class QMLDESIGNERCORE_EXPORT RewriterTransaction
37 {
38 public:
39     RewriterTransaction();
40     RewriterTransaction(AbstractView *view, const QByteArray &identifier);
41     ~RewriterTransaction();
42     void commit();
43     void rollback();
44     RewriterTransaction(const RewriterTransaction &other);
45     RewriterTransaction& operator=(const RewriterTransaction &other);
46 
47     bool isValid() const;
48 
49     void ignoreSemanticChecks();
50 
51 protected:
52     AbstractView *view();
53 private:
54    QPointer<AbstractView> m_view;
55    QByteArray m_identifier;
56    mutable bool m_valid;
57    int m_identifierNumber = 0;
58    static QList<QByteArray> m_identifierList;
59    static bool m_activeIdentifier;
60    bool m_ignoreSemanticChecks = false;
61 };
62 
63 } //QmlDesigner
64