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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 : #ifndef CHART2_UNDOGUARD_HXX
20 : #define CHART2_UNDOGUARD_HXX
21 :
22 : #include "ChartModelClone.hxx"
23 :
24 : #include <com/sun/star/document/XUndoManager.hpp>
25 : #include <com/sun/star/frame/XModel.hpp>
26 :
27 : #include <rtl/ustring.hxx>
28 :
29 : #include <boost/shared_ptr.hpp>
30 :
31 : namespace chart
32 : {
33 :
34 : /** A guard which which does nothing, unless you explicitly call commitAction. In particular, in its destructor, it
35 : does neither auto-commit nor auto-rollback the model changes.
36 : */
37 : class UndoGuard
38 : {
39 : public:
40 : explicit UndoGuard(
41 : const ::rtl::OUString& i_undoMessage,
42 : const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager > & i_undoManager,
43 : const ModelFacet i_facet = E_MODEL
44 : );
45 : ~UndoGuard();
46 :
47 : void commit();
48 : void rollback();
49 :
50 : protected:
51 0 : bool isActionPosted() const { return m_bActionPosted; }
52 :
53 : private:
54 : void discardSnapshot();
55 :
56 : private:
57 : const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XModel > m_xChartModel;
58 : const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager > m_xUndoManager;
59 :
60 : ::boost::shared_ptr< ChartModelClone > m_pDocumentSnapshot;
61 : rtl::OUString m_aUndoString;
62 : bool m_bActionPosted;
63 : };
64 :
65 : /** A guard which, in its destructor, restores the model state it found in the constructor. If
66 : <member>commitAction</member> is called inbetween, the restouration is not performed.
67 : */
68 : class UndoLiveUpdateGuard : public UndoGuard
69 : {
70 : public:
71 : explicit UndoLiveUpdateGuard(
72 : const ::rtl::OUString& i_undoMessage,
73 : const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager > & i_undoManager
74 : );
75 : ~UndoLiveUpdateGuard();
76 : };
77 :
78 : /** Same as UndoLiveUpdateGuard but with additional storage of the chart's data.
79 : Only use this if the data has internal data.
80 : */
81 : class UndoLiveUpdateGuardWithData :
82 : public UndoGuard
83 : {
84 : public:
85 : explicit UndoLiveUpdateGuardWithData(
86 : const ::rtl::OUString& i_undoMessage,
87 : const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager > & i_undoManager
88 : );
89 : ~UndoLiveUpdateGuardWithData();
90 : };
91 :
92 : class UndoGuardWithSelection : public UndoGuard
93 : {
94 : public:
95 : explicit UndoGuardWithSelection(
96 : const ::rtl::OUString& i_undoMessage,
97 : const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager > & i_undoManager
98 : );
99 : virtual ~UndoGuardWithSelection();
100 : };
101 :
102 : class HiddenUndoContext
103 : {
104 : public:
105 : HiddenUndoContext(
106 : const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager > & i_undoManager
107 : );
108 : ~HiddenUndoContext();
109 :
110 : private:
111 : ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManager > m_xUndoManager;
112 : };
113 :
114 : }
115 : // CHART2_UNDOGUARD_HXX
116 : #endif
117 :
118 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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