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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 INCLUDED_UNDOENV_HXX
20 : #define INCLUDED_UNDOENV_HXX
21 :
22 : #include <com/sun/star/beans/XPropertyChangeListener.hpp>
23 : #include <com/sun/star/beans/PropertyChangeEvent.hpp>
24 : #include <com/sun/star/container/XContainerListener.hpp>
25 : #include <com/sun/star/report/XReportDefinition.hpp>
26 :
27 : #include <cppuhelper/compbase3.hxx>
28 : #include <memory>
29 : #include <svl/lstner.hxx>
30 :
31 : namespace rptui
32 : {
33 : class OXUndoEnvironmentImpl;
34 :
35 : //========================================================================
36 : class REPORTDESIGN_DLLPUBLIC OXUndoEnvironment
37 : : public ::cppu::WeakImplHelper3< ::com::sun::star::beans::XPropertyChangeListener
38 : , ::com::sun::star::container::XContainerListener
39 : , ::com::sun::star::util::XModifyListener
40 : >
41 : , public SfxListener
42 : {
43 : const ::std::auto_ptr<OXUndoEnvironmentImpl> m_pImpl;
44 :
45 : OXUndoEnvironment(const OXUndoEnvironment&);
46 : OXUndoEnvironment& operator=(const OXUndoEnvironment&);
47 :
48 : protected:
49 : virtual ~OXUndoEnvironment();
50 :
51 : void SetUndoMode(sal_Bool _bUndo);
52 :
53 : public:
54 : OXUndoEnvironment(OReportModel& _rModel);
55 :
56 : /**
57 : Create an object ob OUndoEnvLock locks the undo possibility
58 : As long as in the OUndoEnvLock scope, no undo is possible for manipulated object.
59 : */
60 : class OUndoEnvLock
61 : {
62 : OXUndoEnvironment& m_rUndoEnv;
63 : public:
64 0 : OUndoEnvLock(OXUndoEnvironment& _rUndoEnv): m_rUndoEnv(_rUndoEnv){m_rUndoEnv.Lock();}
65 0 : ~OUndoEnvLock(){ m_rUndoEnv.UnLock(); }
66 : };
67 :
68 : /**
69 : This is near the same as OUndoEnvLock but it is also possible to ask for the current mode.
70 : UndoMode will set if SID_UNDO is called in execute()
71 : */
72 : class OUndoMode
73 : {
74 : OXUndoEnvironment& m_rUndoEnv;
75 : public:
76 0 : OUndoMode(OXUndoEnvironment& _rUndoEnv)
77 0 : :m_rUndoEnv(_rUndoEnv)
78 : {
79 0 : m_rUndoEnv.Lock();
80 0 : m_rUndoEnv.SetUndoMode(sal_True);
81 0 : }
82 0 : ~OUndoMode()
83 : {
84 0 : m_rUndoEnv.SetUndoMode(sal_False);
85 0 : m_rUndoEnv.UnLock();
86 0 : }
87 : };
88 :
89 : void Lock();
90 : void UnLock();
91 : sal_Bool IsLocked() const;
92 :
93 : // returns sal_True is we are in UNDO
94 : sal_Bool IsUndoMode() const;
95 :
96 : // access control
97 0 : struct Accessor { friend class OReportModel; private: Accessor() { } };
98 : void Clear(const Accessor& _r);
99 :
100 : void AddElement(const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface>& Element);
101 : void RemoveElement(const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface>& Element);
102 :
103 : void AddSection( const ::com::sun::star::uno::Reference< ::com::sun::star::report::XSection>& _xSection);
104 : void RemoveSection( const ::com::sun::star::uno::Reference< ::com::sun::star::report::XSection>& _xSection );
105 : /** removes the section from the page out of the undo env
106 : *
107 : * \param _pPage
108 : */
109 : void RemoveSection(OReportPage* _pPage);
110 :
111 : protected:
112 : // XEventListener
113 : virtual void SAL_CALL disposing(const ::com::sun::star::lang::EventObject& Source) throw( ::com::sun::star::uno::RuntimeException );
114 :
115 : // XPropertyChangeListener
116 : virtual void SAL_CALL propertyChange(const ::com::sun::star::beans::PropertyChangeEvent& evt) throw(::com::sun::star::uno::RuntimeException);
117 :
118 : // XContainerListener
119 : virtual void SAL_CALL elementInserted(const ::com::sun::star::container::ContainerEvent& rEvent) throw(::com::sun::star::uno::RuntimeException);
120 : virtual void SAL_CALL elementReplaced(const ::com::sun::star::container::ContainerEvent& rEvent) throw(::com::sun::star::uno::RuntimeException);
121 : virtual void SAL_CALL elementRemoved(const ::com::sun::star::container::ContainerEvent& rEvent) throw(::com::sun::star::uno::RuntimeException);
122 :
123 : // XModifyListener
124 : virtual void SAL_CALL modified( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException);
125 :
126 : void ModeChanged();
127 :
128 : virtual void Notify( SfxBroadcaster& rBC, const SfxHint& rHint );
129 :
130 : private:
131 : void TogglePropertyListening(const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface>& Element);
132 :
133 : void implSetModified();
134 :
135 : void switchListening( const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess >& _rxContainer, bool _bStartListening ) SAL_THROW(());
136 : void switchListening( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _rxObject, bool _bStartListening ) SAL_THROW(());
137 :
138 : ::std::vector< ::com::sun::star::uno::Reference< ::com::sun::star::container::XChild> >::const_iterator
139 : getSection(const ::com::sun::star::uno::Reference< ::com::sun::star::container::XChild>& _xContainer) const;
140 : };
141 :
142 : }
143 : #endif //
144 :
145 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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