TableRef: introduce InvalidateTableColumnNames()

Change-Id: I3dcefc3ba55c33f9cfef6ff4bf9aa2242a866c14

sc/inc/dbdata.hxx

@@ -221,6 +221,7 @@ private:
 
     void AdjustTableColumnNames( UpdateRefMode eUpdateRefMode, SCCOL nDx, SCCOL nCol1,
             SCCOL nOldCol1, SCCOL nOldCol2, SCCOL nNewCol1, SCCOL nNewCol2 );
+    void InvalidateTableColumnNames();
 };
 
 class SC_DLLPUBLIC ScDBCollection

sc/source/core/tool/dbdata.cxx

@@ -719,6 +719,23 @@ void ScDBData::AdjustTableColumnNames( UpdateRefMode eUpdateRefMode, SCCOL nDx,
         mbTableColumnNamesDirty = true;
 }
 
+void ScDBData::InvalidateTableColumnNames()
+{
+    mbTableColumnNamesDirty = true;
+    if (mpContainer)
+    {
+        // Add header range to dirty list.
+        if (HasHeader())
+            mpContainer->GetDirtyTableColumnNames().Join( GetHeaderArea());
+        else
+        {
+            // We need *some* range in the dirty list even without header area,
+            // otherwise the container would not attempt to call a refresh.
+            mpContainer->GetDirtyTableColumnNames().Join( ScRange( nStartCol, nStartRow, nTable));
+        }
+    }
+}
+
 namespace {
 class TableColumnNameSearch : public unary_function<ScDBData, bool>
 {