summaryrefslogtreecommitdiffstats
path: root/reportdesign/inc/UndoEnv.hxx
blob: e4630dbb02b28088062cf010211b4ab3e8e87feb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#ifndef INCLUDED_REPORTDESIGN_INC_UNDOENV_HXX
#define INCLUDED_REPORTDESIGN_INC_UNDOENV_HXX

#include <com/sun/star/beans/XPropertyChangeListener.hpp>
#include <com/sun/star/beans/PropertyChangeEvent.hpp>
#include <com/sun/star/container/XContainerListener.hpp>
#include <com/sun/star/container/XIndexAccess.hpp>
#include <com/sun/star/util/XModifyListener.hpp>
#include <com/sun/star/report/XSection.hpp>

#include <memory>
#include <svl/lstner.hxx>
#include "dllapi.h"
#include "RptPage.hxx"

namespace rptui
{
    class OXUndoEnvironmentImpl;


    class REPORTDESIGN_DLLPUBLIC OXUndoEnvironment
        : public ::cppu::WeakImplHelper<   css::beans::XPropertyChangeListener
                                        ,   css::container::XContainerListener
                                        ,   css::util::XModifyListener
                                        >
        , public SfxListener
    {
        const ::std::unique_ptr<OXUndoEnvironmentImpl> m_pImpl;

        OXUndoEnvironment(const OXUndoEnvironment&) = delete;
        OXUndoEnvironment& operator=(const OXUndoEnvironment&) = delete;

    protected:
        virtual ~OXUndoEnvironment() override;

        void SetUndoMode(bool _bUndo);

    public:
        OXUndoEnvironment(OReportModel& _rModel);

        /**
           Create an object ob OUndoEnvLock locks the undo possibility
           As long as in the OUndoEnvLock scope, no undo is possible for manipulated object.
         */
        class OUndoEnvLock
        {
            OXUndoEnvironment& m_rUndoEnv;
        public:
            OUndoEnvLock(OXUndoEnvironment& _rUndoEnv): m_rUndoEnv(_rUndoEnv){m_rUndoEnv.Lock();}
            ~OUndoEnvLock(){ m_rUndoEnv.UnLock(); }
        };

        /**
           This is near the same as OUndoEnvLock but it is also possible to ask for the current mode.
           UndoMode will set if SID_UNDO is called in execute()
         */
        class OUndoMode
        {
            OXUndoEnvironment& m_rUndoEnv;
        public:
            OUndoMode(OXUndoEnvironment& _rUndoEnv)
                :m_rUndoEnv(_rUndoEnv)
            {
                m_rUndoEnv.Lock();
                m_rUndoEnv.SetUndoMode(true);
            }
            ~OUndoMode()
            {
                m_rUndoEnv.SetUndoMode(false);
                m_rUndoEnv.UnLock();
            }
        };

        void Lock();
        void UnLock();
        bool IsLocked() const;

        // returns sal_True is we are in UNDO
        bool IsUndoMode() const;

        // access control
        struct Accessor { friend class OReportModel; private: Accessor() { } };
        void Clear(const Accessor& _r);

        void AddElement(const css::uno::Reference< css::uno::XInterface>& Element);
        void RemoveElement(const css::uno::Reference< css::uno::XInterface>& Element);

        void AddSection( const css::uno::Reference< css::report::XSection>& _xSection);
        void RemoveSection( const css::uno::Reference< css::report::XSection>& _xSection );
        /** removes the section from the page out of the undo env
        *
        * \param _pPage
        */
        void RemoveSection(OReportPage const * _pPage);

    protected:
        // XEventListener
        virtual void SAL_CALL disposing(const css::lang::EventObject& Source) override;

        // XPropertyChangeListener
        virtual void SAL_CALL propertyChange(const css::beans::PropertyChangeEvent& evt) override;

        // XContainerListener
        virtual void SAL_CALL elementInserted(const css::container::ContainerEvent& rEvent) override;
        virtual void SAL_CALL elementReplaced(const css::container::ContainerEvent& rEvent) override;
        virtual void SAL_CALL elementRemoved(const css::container::ContainerEvent& rEvent) override;

        // XModifyListener
        virtual void SAL_CALL modified( const css::lang::EventObject& aEvent ) override;

        void ModeChanged();

        virtual void Notify( SfxBroadcaster& rBC, const SfxHint& rHint ) override;

    private:
        void    implSetModified();

        void    switchListening( const css::uno::Reference< css::container::XIndexAccess >& _rxContainer, bool _bStartListening );
        void    switchListening( const css::uno::Reference< css::uno::XInterface >& _rxObject, bool _bStartListening );

        ::std::vector< css::uno::Reference< css::container::XChild> >::const_iterator
            getSection(const css::uno::Reference< css::container::XChild>& _xContainer) const;
    };

}
#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */