Related: #i120498# Enhanced Undo/Redo and user experience...

when editing texts in graphic objects and/or tables

(cherry picked from commit a096725779b210c7a2706e72596fd7c80e049fdd)

Conflicts:
editeng/inc/editeng/editeng.hxx
editeng/inc/editeng/editund2.hxx
editeng/inc/editeng/outliner.hxx
editeng/source/editeng/editundo.cxx
editeng/source/editeng/impedit.hxx
editeng/source/outliner/outliner.cxx
sd/source/core/undo/undomanager.cxx
sd/source/ui/view/drviewse.cxx
svx/Library_svxcore.mk
svx/Package_inc.mk
svx/inc/svx/svdedxv.hxx
svx/source/svdraw/svdedxv.cxx

Change-Id: I40e3ef2dff681f9b6f2f6b5d35507071f8110533

Comment unused variable pNewEditUndoManager to silence the compiler

(cherry picked from commit 568655083af7830e7b9edf56ef862ddf9a99003b)

Change-Id: Ib7179ee6c34ce03a75942978831c3a55968f161f

Removed unused variable

(cherry picked from commit 0bbde4414badfd40234de4a4c9f750194f5d1d5e)

Change-Id: I39e7f25426e8e7d1367102d603b0f6c84d96622f

4 files changed, 48 insertions, 4 deletions

diff --git a/editeng/source/editeng/editeng.cxx b/editeng/source/editeng/editeng.cxx
index 1edc5aefd79d..9bf29e5c2e9b 100644
--- a/editeng/source/editeng/editeng.cxx
+++ b/editeng/source/editeng/editeng.cxx
@@ -134,6 +134,12 @@ sal_Bool EditEngine::IsInUndo()
     return pImpEditEngine->GetUndoManager();
 }
 
+::svl::IUndoManager* EditEngine::SetUndoManager(::svl::IUndoManager* pNew)
+{
+    DBG_CHKTHIS( EditEngine, 0 );
+    return pImpEditEngine->SetUndoManager(pNew);
+}
+
 void EditEngine::UndoActionStart( sal_uInt16 nId )
 {
     DBG_CHKTHIS( EditEngine, 0 );
diff --git a/editeng/source/editeng/editundo.cxx b/editeng/source/editeng/editundo.cxx
index 2f548e36d83f..dfc8df189530 100644
--- a/editeng/source/editeng/editundo.cxx
+++ b/editeng/source/editeng/editundo.cxx
@@ -37,11 +37,20 @@ static void lcl_DoSetSelection( EditView* pView, sal_uInt16 nPara )
     pView->GetImpEditView()->SetEditSelection( aSel );
 }
 
-EditUndoManager::EditUndoManager(EditEngine* pEE) : mpEditEngine(pEE) {}
+EditUndoManager::EditUndoManager(sal_uInt16 nMaxUndoActionCount )
+:   SfxUndoManager(nMaxUndoActionCount),
+    mpEditEngine(0)
+{
+}
+
+void EditUndoManager::SetEditEngine(EditEngine* pNew)
+{
+    mpEditEngine = pNew;
+}
 
 sal_Bool EditUndoManager::Undo()
 {
-    if ( GetUndoActionCount() == 0 )
+    if ( !mpEditEngine || GetUndoActionCount() == 0 )
         return sal_False;
 
     DBG_ASSERT( mpEditEngine->GetActiveView(), "Active View?" );
@@ -76,7 +85,7 @@ sal_Bool EditUndoManager::Undo()
 
 sal_Bool EditUndoManager::Redo()
 {
-    if ( GetRedoActionCount() == 0 )
+    if ( !mpEditEngine || GetRedoActionCount() == 0 )
         return sal_False;
 
     DBG_ASSERT( mpEditEngine->GetActiveView(), "Active View?" );
diff --git a/editeng/source/editeng/impedit.hxx b/editeng/source/editeng/impedit.hxx
index b6dbcdc8a08a..55b98f15fcb6 100644
--- a/editeng/source/editeng/impedit.hxx
+++ b/editeng/source/editeng/impedit.hxx
@@ -681,6 +681,7 @@ public:
                             ~ImpEditEngine();
 
     inline EditUndoManager& GetUndoManager();
+    inline ::svl::IUndoManager* SetUndoManager(::svl::IUndoManager* pNew);
 
     void                    SetUpdateMode( bool bUp, EditView* pCurView = 0, sal_Bool bForceUpdate = sal_False );
     bool                    GetUpdateMode() const   { return bUpdate; }
@@ -1072,10 +1073,32 @@ inline void ImpEditEngine::IdleFormatAndUpdate( EditView* pCurView )
 inline EditUndoManager& ImpEditEngine::GetUndoManager()
 {
     if ( !pUndoManager )
-        pUndoManager = new EditUndoManager(pEditEngine);
+    {
+        pUndoManager = new EditUndoManager();
+        pUndoManager->SetEditEngine(pEditEngine);
+    }
     return *pUndoManager;
 }
 
+inline ::svl::IUndoManager* ImpEditEngine::SetUndoManager(::svl::IUndoManager* pNew)
+{
+    ::svl::IUndoManager* pRetval = pUndoManager;
+
+    if(pUndoManager)
+    {
+        pUndoManager->SetEditEngine(0);
+    }
+
+    pUndoManager = dynamic_cast< EditUndoManager* >(pNew);
+
+    if(pUndoManager)
+    {
+        pUndoManager->SetEditEngine(pEditEngine);
+    }
+
+    return pRetval;
+}
+
 inline const ParaPortion* ImpEditEngine::FindParaPortion( const ContentNode* pNode ) const
 {
     sal_Int32 nPos = aEditDoc.GetPos( pNode );
diff --git a/editeng/source/outliner/outliner.cxx b/editeng/source/outliner/outliner.cxx
index c8971da9f06a..c5fe66c913b5 100644
--- a/editeng/source/outliner/outliner.cxx
+++ b/editeng/source/outliner/outliner.cxx
@@ -1218,6 +1218,12 @@ void Outliner::ImpFilterIndents( sal_Int32 nFirstPara, sal_Int32 nLastPara )
     return pEditEngine->GetUndoManager();
 }
 
+::svl::IUndoManager* Outliner::SetUndoManager(::svl::IUndoManager* pNew)
+{
+    DBG_CHKTHIS(Outliner,0);
+    return pEditEngine->SetUndoManager(pNew);
+}
+
 void Outliner::ImpTextPasted( sal_Int32 nStartPara, sal_Int32 nCount )
 {
     DBG_CHKTHIS(Outliner,0);