UndoManager.hxx

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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_SW_SOURCE_CORE_INC_UNDOMANAGER_HXX
#define INCLUDED_SW_SOURCE_CORE_INC_UNDOMANAGER_HXX
 
#include <IDocumentUndoRedo.hxx>
#include <svx/sdrundomanager.hxx>
#include <ndarr.hxx>
#include <memory>
 
class IDocumentDrawModelAccess;
class IDocumentRedlineAccess;
class IDocumentState;
class SwDocShell;
class SwView;
 
namespace sw {
 
class SW_DLLPUBLIC UndoManager final
    : public IDocumentUndoRedo
    , public SdrUndoManager
{
public:
    UndoManager(std::shared_ptr<SwNodes> pUndoNodes,
        IDocumentDrawModelAccess & rDrawModelAccess,
        IDocumentRedlineAccess & rRedlineAccess,
        IDocumentState & rState);
 
    virtual void DoUndo(bool const bDoUndo) override;
    virtual bool DoesUndo() const override;
    virtual void DoGroupUndo(bool const bDoUndo) override;
    virtual bool DoesGroupUndo() const override;
    virtual void DoDrawUndo(bool const bDoUndo) override;
    virtual bool DoesDrawUndo() const override;
    void DoRepair(bool bRepair) override;
    bool DoesRepair() const override;
    virtual void SetUndoNoModifiedPosition() override;
    virtual void LockUndoNoModifiedPosition() override;
    virtual void UnLockUndoNoModifiedPosition() override;
    virtual void SetUndoNoResetModified() override;
    virtual bool IsUndoNoResetModified() const override;
 
    virtual SwUndoId StartUndo(SwUndoId const eUndoId,
                               SwRewriter const*const pRewriter) override;
    virtual SwUndoId EndUndo(SwUndoId const eUndoId,
                             SwRewriter const*const pRewriter) override;
    virtual void DelAllUndoObj() override;
    virtual bool GetLastUndoInfo(OUString *const o_pStr,
                                 SwUndoId *const o_pId,
                                 const SwView* pView = nullptr) const override;
    virtual SwUndoComments_t GetUndoComments() const override;
    virtual bool GetFirstRedoInfo(OUString *const o_pStr,
                                  SwUndoId *const o_pId,
                                  const SwView* pView = nullptr) const override;
    virtual SwUndoComments_t GetRedoComments() const override;
    virtual bool Repeat(::sw::RepeatContext & rContext,
                        sal_uInt16 const nRepeatCnt) override;
    virtual SwUndoId GetRepeatInfo(OUString *const o_pStr) const override;
    virtual void AppendUndo(std::unique_ptr<SwUndo> pUndo) override;
    virtual void ClearRedo() override;
    virtual bool IsUndoNodes(SwNodes const& rNodes) const override;
    virtual size_t GetUndoActionCount(const bool bCurrentLevel = true) const override;
    size_t GetRedoActionCount(const bool bCurrentLevel = true) const override;
    void SetView(SwView* pView) override;
    bool UndoWithOffset(size_t nUndoOffset) override;
 
    // SfxUndoManager
    virtual void AddUndoAction(std::unique_ptr<SfxUndoAction> pAction,
                                   bool bTryMerg = false) override;
    virtual bool Undo() override;
    virtual bool Redo() override;
    void dumpAsXml(xmlTextWriterPtr pWriter) const;
 
    SwUndo * RemoveLastUndo();
    SwUndo * GetLastUndo();
 
    SwNodes const& GetUndoNodes() const;
    SwNodes      & GetUndoNodes();
    void SetDocShell(SwDocShell* pDocShell);
 
    bool IsViewUndoActionIndependent(const SwView* pView, sal_uInt16& rOffset) const;
 
private:
    virtual void EmptyActionsChanged() override;
 
    IDocumentDrawModelAccess & m_rDrawModelAccess;
    IDocumentRedlineAccess & m_rRedlineAccess;
    IDocumentState & m_rState;
 
    std::shared_ptr<SwNodes> m_xUndoNodes;
 
    bool m_bGroupUndo       : 1;    // TRUE: Undo grouping enabled
    bool m_bDrawUndo        : 1;    // TRUE: Draw Undo enabled
    bool m_bRepair;
    bool m_bLockUndoNoModifiedPosition : 1;
    bool m_isAddWithIgnoreRepeat;
    UndoStackMark m_UndoSaveMark;
    SwDocShell* m_pDocShell;
    SwView* m_pView;
 
    enum class UndoOrRedoType { Undo, Redo };
    bool impl_DoUndoRedo(UndoOrRedoType undoOrRedo, size_t nUndoOffset);
 
    // UGLY: should not be called
    using SdrUndoManager::Repeat;
};
 
} // namespace sw
 
#endif // INCLUDED_SW_SOURCE_CORE_INC_UNDOMANAGER_HXX
 
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