Clear column data array cache when the document content changes.

Change-Id: I09ffa455e79199e37ca6168753ec9ef4d5aa33dc

sc/inc/document.hxx

@@ -2018,6 +2018,11 @@ public:
 
     formula::VectorRefArray FetchVectorRefArray( const ScAddress& rPos, SCROW nLength );
 
+    /**
+     * Called whenever the value of a cell inside the document is modified.
+     */
+    void CellContentModified();
+
     SvtBroadcaster* GetBroadcaster( const ScAddress& rPos );
     const SvtBroadcaster* GetBroadcaster( const ScAddress& rPos ) const;
     void DeleteBroadcasters( sc::ColumnBlockPosition& rBlockPos, const ScAddress& rTopPos, SCROW nLength );

sc/source/core/data/column2.cxx

@@ -2862,6 +2862,13 @@ void ScColumn::SetFormulaResults( SCROW nRow, const double* pResults, size_t nLe
         rCell.ResetDirty();
         rCell.SetChanged(true);
     }
+
+    std::vector<SCROW> aRows;
+    aRows.reserve(nLen);
+    for (size_t i = 0; i < nLen; ++i)
+        aRows.push_back(nRow+i);
+
+    BroadcastCells(aRows, SC_HINT_DATACHANGED);
 }
 
 void ScColumn::SetFormulaResults( SCROW nRow, const formula::FormulaTokenRef* pResults, size_t nLen )
@@ -2888,6 +2895,13 @@ void ScColumn::SetFormulaResults( SCROW nRow, const formula::FormulaTokenRef* pR
         rCell.ResetDirty();
         rCell.SetChanged(true);
     }
+
+    std::vector<SCROW> aRows;
+    aRows.reserve(nLen);
+    for (size_t i = 0; i < nLen; ++i)
+        aRows.push_back(nRow+i);
+
+    BroadcastCells(aRows, SC_HINT_DATACHANGED);
 }
 
 void ScColumn::SetNumberFormat( SCROW nRow, sal_uInt32 nNumberFormat )

sc/source/core/data/document.cxx

@@ -2313,6 +2313,11 @@ ScDocument::NumFmtMergeHandler::~NumFmtMergeHandler()
     mpDoc->pFormatExchangeList = NULL;
 }
 
+void ScDocument::CellContentModified()
+{
+    mpFormulaGroupCxt.reset();
+}
+
 SvtBroadcaster* ScDocument::GetBroadcaster( const ScAddress& rPos )
 {
     ScTable* pTab = FetchTable(rPos.Tab());

sc/source/ui/docshell/docsh.cxx

@@ -3047,6 +3047,7 @@ ScDocShellModificator::~ScDocShellModificator()
 void ScDocShellModificator::SetDocumentModified()
 {
     ScDocument* pDoc = rDocShell.GetDocument();
+    pDoc->CellContentModified();
     if ( !pDoc->IsImportingXML() )
     {
         // AutoCalcShellDisabled temporaer restaurieren