tdf#92256: Make OOXML filter CONV_A1_XL_A1 aware too

+ don't write string ref syntax if it hasn't been read or explicitly
changed

Change-Id: Id3788a71a4a3d0672283a4770c7d7a9608beb06f
Reviewed-on: https://gerrit.libreoffice.org/17326Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

oox/source/token/tokens.txt

@@ -70,6 +70,7 @@ Broadcaster
 Button
 CF
 CalcA1
+CalcA1ExcelA1
 Camera
 Cancel
 Caption

sc/source/filter/excel/excdoc.cxx

@@ -881,10 +881,15 @@ void ExcDocument::WriteXml( XclExpXmlStream& rStrm )
     if (rCaches.HasCaches())
         rCaches.SaveXml(rStrm);
 
-    XclExtLstRef xExtLst( new XclExtLst( GetRoot()  ) );
     const ScCalcConfig& rCalcConfig = GetDoc().GetCalcConfig();
-    xExtLst->AddRecord( XclExpExtRef( new XclExpExtCalcPr( GetRoot(), rCalcConfig.meStringRefAddressSyntax ))  );
-    xExtLst->SaveXml(rStrm);
+
+    // don't write if it hasn't been read or explicitly changed
+    if ( rCalcConfig.mbHasStringRefSyntax )
+    {
+        XclExtLstRef xExtLst( new XclExtLst( GetRoot()  ) );
+        xExtLst->AddRecord( XclExpExtRef( new XclExpExtCalcPr( GetRoot(), rCalcConfig.meStringRefAddressSyntax ))  );
+        xExtLst->SaveXml(rStrm);
+    }
 
     rWorkbook->endElement( XML_workbook );
     rWorkbook.reset();

sc/source/filter/excel/xeextlst.cxx

@@ -378,12 +378,14 @@ XclExpExtCalcPr::XclExpExtCalcPr( const XclExpRoot& rRoot, formula::FormulaGramm
         case formula::FormulaGrammar::CONV_XL_R1C1:
             maSyntax = OString("ExcelR1C1");
             break;
+        case formula::FormulaGrammar::CONV_A1_XL_A1:
+            maSyntax = OString("CalcA1ExcelA1");
+            break;
         case formula::FormulaGrammar::CONV_UNSPECIFIED:
         case formula::FormulaGrammar::CONV_ODF:
         case formula::FormulaGrammar::CONV_XL_OOX:
         case formula::FormulaGrammar::CONV_LOTUS_A1:
         case formula::FormulaGrammar::CONV_LAST:
-        case formula::FormulaGrammar::CONV_A1_XL_A1:
             maSyntax = OString("Unspecified");
             break;
     }

sc/source/filter/oox/extlstcontext.cxx

@@ -265,16 +265,19 @@ ContextHandlerRef ExtGlobalWorkbookContext::onCreateContext( sal_Int32 nElement,
         switch( nToken )
         {
              case XML_CalcA1:
-                aCalcConfig.meStringRefAddressSyntax = formula::FormulaGrammar::CONV_OOO;
+                aCalcConfig.SetStringRefSyntax( formula::FormulaGrammar::CONV_OOO );
                 break;
              case XML_ExcelA1:
-                aCalcConfig.meStringRefAddressSyntax = formula::FormulaGrammar::CONV_XL_A1;
+                aCalcConfig.SetStringRefSyntax( formula::FormulaGrammar::CONV_XL_A1 );
                 break;
              case XML_ExcelR1C1:
-                aCalcConfig.meStringRefAddressSyntax = formula::FormulaGrammar::CONV_XL_R1C1;
+                aCalcConfig.SetStringRefSyntax( formula::FormulaGrammar::CONV_XL_R1C1 );
+                break;
+             case XML_CalcA1ExcelA1:
+                aCalcConfig.SetStringRefSyntax( formula::FormulaGrammar::CONV_A1_XL_A1 );
                 break;
              default:
-                aCalcConfig.meStringRefAddressSyntax = formula::FormulaGrammar::CONV_UNSPECIFIED;
+                aCalcConfig.SetStringRefSyntax( formula::FormulaGrammar::CONV_UNSPECIFIED );
                break;
         }
         pDoc->SetCalcConfig(aCalcConfig);