Handle merged cells.

Change-Id: Iaa7194d4226300e495982bb1f90f72c31d748955
Reviewed-on: https://gerrit.libreoffice.org/46660Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Kohei Yoshida <libreoffice@kohei.us>

sc/inc/documentimport.hxx

@@ -114,6 +114,8 @@ public:
 
     void setRowsVisible(SCTAB nTab, SCROW nRowStart, SCROW nRowEnd, bool bVisible);
 
+    void setMergedCells(SCTAB nTab, SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2);
+
     void finalize();
 
 private:

sc/source/core/data/documentimport.cxx

@@ -512,6 +512,25 @@ void ScDocumentImport::setRowsVisible(SCTAB nTab, SCROW nRowStart, SCROW nRowEnd
     }
 }
 
+void ScDocumentImport::setMergedCells(SCTAB nTab, SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2)
+{
+    ScTable* pTab = mpImpl->mrDoc.FetchTable(nTab);
+    if (!pTab)
+        return;
+
+    ScMergeAttr aAttr(nCol2-nCol1+1, nRow2-nRow1+1);
+    pTab->ApplyAttr(nCol1, nRow1, aAttr);
+
+    if (nCol1 < nCol2)
+        pTab->ApplyFlags(nCol1+1, nRow1, nCol2, nRow2, ScMF::Hor);
+
+    if (nRow1 < nRow2)
+        pTab->ApplyFlags(nCol1, nRow1+1, nCol1, nRow2, ScMF::Ver);
+
+    if (nCol1 < nCol2 && nRow1 < nRow2)
+        pTab->ApplyFlags(nCol1+1, nRow1+1, nCol2, nRow2, ScMF::Hor | ScMF::Ver);
+}
+
 namespace {
 
 class CellStoreInitializer

sc/source/filter/orcus/interface.cxx

@@ -307,8 +307,9 @@ void ScOrcusSheetProperties::set_row_hidden(os::row_t row, bool hidden)
         mrDoc.getDoc().SetRowHidden(row, row, mnTab, hidden);
 }
 
-void ScOrcusSheetProperties::set_merge_cell_range(const orcus::spreadsheet::range_t& /*range*/)
+void ScOrcusSheetProperties::set_merge_cell_range(const orcus::spreadsheet::range_t& range)
 {
+    mrDoc.setMergedCells(mnTab, range.first.column, range.first.row, range.last.column, range.last.row);
 }
 
 ScOrcusConditionalFormat::ScOrcusConditionalFormat(SCTAB nTab, ScDocument& rDoc):