Resolves: tdf#101137 handle empty elements in matrix concatenation

Change-Id: I2de90e1cdfc4f215f6d7c644e0ab74372a4c2639
(cherry picked from commit 31d39c24e1ff2d3602e0212eeeecd8de88da6d38)
Reviewed-on: https://gerrit.libreoffice.org/28336
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Reviewed-by: Michael Stahl <mstahl@redhat.com>
Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>
Tested-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/sc/source/ui/docshell/externalrefmgr.cxx b/sc/source/ui/docshell/externalrefmgr.cxx
index f703b6798ee1..4ac4112032ef 100644
--- a/sc/source/ui/docshell/externalrefmgr.cxx
+++ b/sc/source/ui/docshell/externalrefmgr.cxx
@@ -865,9 +865,13 @@ void ScExternalRefCache::setCellRangeData(sal_uInt16 nFileId, const ScRange& rRa
             {
                 pTabData->setCell(col + nCol1, row + nRow1, new formula::FormulaStringToken(val), 0, false);
             };
+            ScFullMatrix::EmptyOpFunction aEmptyFunc = [=](size_t /*row*/, size_t /*col*/) -> void
+            {
+                // Nothing. Empty cell.
+            };
             pMat->ExecuteOperation(std::pair<size_t, size_t>(0, 0),
                     std::pair<size_t, size_t>(nRow2-nRow1, nCol2-nCol1),
-                    aDoubleFunc, aBoolFunc, aStringFunc);
+                    aDoubleFunc, aBoolFunc, aStringFunc, aEmptyFunc);
             // Mark the whole range 'cached'.
             pTabData->setCachedCellRange(nCol1, nRow1, nCol2, nRow2);
         }