Related: #i120515# Implemented and finetuned the enhanced Undo feature

(see #i120498#) for sc

(cherry picked from commit 472c175d)

Conflicts:
	sc/source/core/data/document.cxx
	sc/source/ui/view/drawview.cxx

Change-Id: I4ae171807b80e3f6c9f44028bd04dfac9338e627

sc/source/core/data/document.cxx

@@ -25,6 +25,7 @@
 #include "editeng/editobj.hxx"
 #include <svx/pageitem.hxx>
 #include <editeng/editeng.hxx>
+#include <svx/sdrundomanager.hxx>
 #include <svx/svditer.hxx>
 #include <svx/svdpage.hxx>
 #include <svx/svdocapt.hxx>
@@ -5869,7 +5870,11 @@ bool ScDocument::NeedPageResetAfterTab( SCTAB nTab ) const
 SfxUndoManager* ScDocument::GetUndoManager()
 {
     if (!mpUndoManager)
-        mpUndoManager = new SfxUndoManager;
+    {
+        // to support enhanced text edit for draw objects, use an SdrUndoManager
+        mpUndoManager = new SdrUndoManager;
+    }
+
     return mpUndoManager;
 }
 

sc/source/ui/inc/drawview.hxx

@@ -29,6 +29,7 @@ namespace com { namespace sun { namespace star { namespace datatransfer { class
 class ScDocument;
 class ScViewData;
 class ScDrawObjData;
+class SdrUndoManager;
 
 class ScDrawView: public FmFormView
 {
@@ -53,6 +54,9 @@ protected:
 
     void ImplClearCalcDropMarker();
 
+    // support enhanced text edit for draw objects
+    virtual SdrUndoManager* getSdrUndoManagerForEnhancedTextEdit() const;
+
 public:
                     ScDrawView( OutputDevice* pOut, ScViewData* pData );
     virtual         ~ScDrawView();

sc/source/ui/view/drawview.cxx

@@ -33,6 +33,7 @@
 #include <svx/sdrpaintwindow.hxx>
 #include <sfx2/bindings.hxx>
 #include <sfx2/viewfrm.hxx>
+#include <svx/sdrundomanager.hxx>
 
 #include "drawview.hxx"
 #include "global.hxx"
@@ -849,4 +850,11 @@ void ScDrawView::SyncForGrid( SdrObject* pObj )
         pObj->SetGridOffset( aGridOff );
     }
 }
+
+// support enhanced text edit for draw objects
+SdrUndoManager* ScDrawView::getSdrUndoManagerForEnhancedTextEdit() const
+{
+    return pDoc ? dynamic_cast< SdrUndoManager* >(pDoc->GetUndoManager()) : 0;
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */