UndoEnv.hxx

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#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 <cppuhelper/implbase.hxx>
#include <svl/lstner.hxx>
#include "dllapi.h"
#include "RptPage.hxx"
 
namespace rptui
{
    class OXUndoEnvironmentImpl;
 
 
    class REPORTDESIGN_DLLPUBLIC OXUndoEnvironment final
        : 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;
 
        virtual ~OXUndoEnvironment() override;
 
        void SetUndoMode(bool _bUndo);
 
    public:
        OXUndoEnvironment(OReportModel& _rModel);
 
        class OUndoEnvLock
        {
            OXUndoEnvironment& m_rUndoEnv;
        public:
            OUndoEnvLock(OXUndoEnvironment& _rUndoEnv): m_rUndoEnv(_rUndoEnv){m_rUndoEnv.Lock();}
            ~OUndoEnvLock(){ m_rUndoEnv.UnLock(); }
        };
 
        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 );
        void RemoveSection(OReportPage const * _pPage);
 
    private:
        // 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
 
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