svtools/source/edit/textundo.hxx

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  30 #ifndef _TEXTUNDO_HXX
  31 #define _TEXTUNDO_HXX
  32
  33 #include <svtools/undo.hxx>
  34
  35 class TextEngine;
  36
  37 class TextUndoManager : public SfxUndoManager
  38 {
  39     TextEngine*         mpTextEngine;
  40
  41 protected:
  42
  43     void                        UndoRedoStart();
  44     void                        UndoRedoEnd();
  45
  46     TextView*           GetView() const { return mpTextEngine->GetActiveView(); }
  47
  48 public:
  49                     TextUndoManager( TextEngine* pTextEngine );
  50                     ~TextUndoManager();
  51
  52     using SfxUndoManager::Undo;
  53     virtual BOOL        Undo( USHORT nCount=1 );
  54     using SfxUndoManager::Redo;
  55     virtual BOOL        Redo( USHORT nCount=1 );
  56
  57 };
  58
  59 class TextUndo : public SfxUndoAction
  60 {
  61 private:
  62     USHORT                              mnId;
  63     TextEngine*                 mpTextEngine;
  64
  65 protected:
  66
  67     TextView*                   GetView() const { return mpTextEngine->GetActiveView(); }
  68     void                                SetSelection( const TextSelection& rSel );
  69
  70     TextDoc*                    GetDoc() const { return mpTextEngine->mpDoc; }
  71     TEParaPortions*             GetTEParaPortions() const { return mpTextEngine->mpTEParaPortions; }
  72
  73 public:
  74                         TYPEINFO();
  75                         TextUndo( USHORT nId, TextEngine* pTextEngine );
  76     virtual                     ~TextUndo();
  77
  78     TextEngine*                 GetTextEngine() const   { return mpTextEngine; }
  79
  80     virtual void                Undo()          = 0;
  81     virtual void                Redo()          = 0;
  82
  83     virtual XubString   GetComment() const;
  84     virtual USHORT              GetId() const;
  85 };
  86
  87 #endif // _TEXTUNDO_HXX