Related: fdo#65090 DOCX import: handle w:hMerge cell property

Change-Id: I82f334426715fd1a1f0105b86f763d41e66f32da

5 files changed, 67 insertions, 3 deletions

diff --git a/writerfilter/source/dmapper/DomainMapperTableHandler.cxx b/writerfilter/source/dmapper/DomainMapperTableHandler.cxx
index a098472aff72..7e248debadb4 100644
--- a/writerfilter/source/dmapper/DomainMapperTableHandler.cxx
+++ b/writerfilter/source/dmapper/DomainMapperTableHandler.cxx
@@ -539,7 +539,7 @@ TableStyleSheetEntry * DomainMapperTableHandler::endTableGetTableStyle(TableInfo
 #define CNF_LAST_ROW_LAST_COLUMN    0x002
 #define CNF_LAST_ROW_FIRST_COLUMN   0x001
 
-CellPropertyValuesSeq_t DomainMapperTableHandler::endTableGetCellProperties(TableInfo & rInfo)
+CellPropertyValuesSeq_t DomainMapperTableHandler::endTableGetCellProperties(TableInfo & rInfo, std::vector<HorizontallyMergedCell>& rMerges)
 {
 #ifdef DEBUG_DMAPPER_TABLE_HANDLER
     dmapper_logger->startElement("getCellProperties");
@@ -699,6 +699,25 @@ CellPropertyValuesSeq_t DomainMapperTableHandler::endTableGetCellProperties(Tabl
                     aCellIterator->get()->Insert( PROP_BOTTOM_BORDER_DISTANCE,
                                                  uno::makeAny((sal_Int32) rInfo.nBottomBorderDistance ) );
 
+                // Horizontal merge is not an UNO property, extract that info here to rMerges, and then remove it from the map.
+                const PropertyMap::const_iterator aHorizontalMergeIter = aCellIterator->get()->find(PROP_HORIZONTAL_MERGE);
+                if (aHorizontalMergeIter != aCellIterator->get()->end())
+                {
+                    if (aHorizontalMergeIter->second.getValue().get<sal_Bool>())
+                    {
+                        // first cell in a merge
+                        HorizontallyMergedCell aMerge(nRow, nCell);
+                        rMerges.push_back(aMerge);
+                    }
+                    else if (!rMerges.empty())
+                    {
+                        // resuming an earlier merge
+                        HorizontallyMergedCell& rMerge = rMerges.back();
+                        rMerge.m_nLastRow = nRow;
+                        rMerge.m_nLastCol = nCell;
+                    }
+                    aCellIterator->get()->erase(PROP_HORIZONTAL_MERGE);
+                }
                 pSingleCellProperties[nCell] = aCellIterator->get()->GetPropertyValues();
 #ifdef DEBUG_DMAPPER_TABLE_HANDLER
                 dmapper_logger->endElement();
@@ -816,7 +835,8 @@ void DomainMapperTableHandler::endTable(unsigned int nestedTableLevel)
     aTableInfo.pTableStyle = endTableGetTableStyle(aTableInfo, aFrameProperties);
     //  expands to uno::Sequence< Sequence< beans::PropertyValues > >
 
-    CellPropertyValuesSeq_t aCellProperties = endTableGetCellProperties(aTableInfo);
+    std::vector<HorizontallyMergedCell> aMerges;
+    CellPropertyValuesSeq_t aCellProperties = endTableGetCellProperties(aTableInfo, aMerges);
 
     RowPropertyValuesSeq_t aRowProperties = endTableGetRowProperties();
 
@@ -849,8 +869,27 @@ void DomainMapperTableHandler::endTable(unsigned int nestedTableLevel)
                         aTableInfo.aTableProperties);
 
                 if (xTable.is())
+                {
                     m_xTableRange = xTable->getAnchor( );
 
+                    if (!aMerges.empty())
+                    {
+                        // Perform horizontal merges in reverse order, so the fact that merging changes the position of cells won't cause a problem for us.
+                        for (std::vector<HorizontallyMergedCell>::reverse_iterator it = aMerges.rbegin(); it != aMerges.rend(); ++it)
+                        {
+                            uno::Reference<table::XCellRange> xCellRange(xTable, uno::UNO_QUERY_THROW);
+                            uno::Reference<beans::XPropertySet> xCell(xCellRange->getCellByPosition(it->m_nFirstCol, it->m_nFirstRow), uno::UNO_QUERY_THROW);
+                            OUString aFirst = xCell->getPropertyValue("CellName").get<OUString>();
+                            xCell.set(xCellRange->getCellByPosition(it->m_nLastCol, it->m_nLastRow), uno::UNO_QUERY_THROW);
+                            OUString aLast = xCell->getPropertyValue("CellName").get<OUString>();
+
+                            uno::Reference<text::XTextTableCursor> xCursor = xTable->createCursorByCellName(aFirst);
+                            xCursor->gotoCellByName(aLast, true);
+                            xCursor->mergeRange();
+                        }
+                    }
+                }
+
                 // OOXML table style may container paragraph properties, apply these now.
                 for (int i = 0; i < aTableInfo.aTableProperties.getLength(); ++i)
                 {
diff --git a/writerfilter/source/dmapper/DomainMapperTableHandler.hxx b/writerfilter/source/dmapper/DomainMapperTableHandler.hxx
index 3dc75af12b1c..342eb744cf89 100644
--- a/writerfilter/source/dmapper/DomainMapperTableHandler.hxx
+++ b/writerfilter/source/dmapper/DomainMapperTableHandler.hxx
@@ -48,6 +48,21 @@ typedef std::vector<PropertyMapVector1> PropertyMapVector2;
 class DomainMapper_Impl;
 class TableStyleSheetEntry;
 struct TableInfo;
+
+/// A horizontally merged cell is in fact a range of cells till its merge is performed.
+struct HorizontallyMergedCell
+{
+    sal_Int32 m_nFirstRow;
+    sal_Int32 m_nFirstCol;
+    sal_Int32 m_nLastRow;
+    sal_Int32 m_nLastCol;
+    HorizontallyMergedCell(sal_Int32 nFirstRow, sal_Int32 nFirstCol)
+        : m_nFirstRow(nFirstRow),
+        m_nFirstCol(nFirstCol)
+    {
+    }
+};
+
 class WRITERFILTER_DLLPRIVATE DomainMapperTableHandler : public TableDataHandler<Handle_t , TablePropertyMapPtr >
 {
     TextReference_t         m_xText;
@@ -67,7 +82,7 @@ class WRITERFILTER_DLLPRIVATE DomainMapperTableHandler : public TableDataHandler
     sal_Int32 m_nRowIndex;
 
     TableStyleSheetEntry * endTableGetTableStyle(TableInfo & rInfo, uno::Sequence<beans::PropertyValue>& rFrameProperties);
-    CellPropertyValuesSeq_t endTableGetCellProperties(TableInfo & rInfo);
+    CellPropertyValuesSeq_t endTableGetCellProperties(TableInfo & rInfo, std::vector<HorizontallyMergedCell>& rMerges);
     RowPropertyValuesSeq_t endTableGetRowProperties();
 
 public:
diff --git a/writerfilter/source/dmapper/DomainMapperTableManager.cxx b/writerfilter/source/dmapper/DomainMapperTableManager.cxx
index 7db941d07ad8..9625a1fd1aab 100644
--- a/writerfilter/source/dmapper/DomainMapperTableManager.cxx
+++ b/writerfilter/source/dmapper/DomainMapperTableManager.cxx
@@ -309,6 +309,14 @@ bool DomainMapperTableManager::sprm(Sprm & rSprm)
                 cellProps( pMergeProps);
             }
             break;
+            case NS_ooxml::LN_CT_TcPrBase_hMerge:
+            {
+                // values can be: LN_Value_ST_Merge_restart, LN_Value_ST_Merge_continue, in reality the second one is a 0
+                TablePropertyMapPtr pMergeProps(new TablePropertyMap());
+                pMergeProps->Insert(PROP_HORIZONTAL_MERGE, uno::makeAny(bool(sal::static_int_cast<Id>(nIntValue) == NS_ooxml::LN_Value_ST_Merge_restart)));
+                cellProps(pMergeProps);
+            }
+            break;
             case NS_ooxml::LN_CT_TcPrBase_gridSpan: //number of grid positions spanned by this cell
             {
 #ifdef DEBUG_DOMAINMAPPER
diff --git a/writerfilter/source/dmapper/PropertyIds.cxx b/writerfilter/source/dmapper/PropertyIds.cxx
index a05249a5c6a3..1cce816a282d 100644
--- a/writerfilter/source/dmapper/PropertyIds.cxx
+++ b/writerfilter/source/dmapper/PropertyIds.cxx
@@ -359,6 +359,7 @@ OUString PropertyNameSupplier::GetName( PropertyIds eId ) const
             case PROP_CHAR_THEME_ORIGINAL_COLOR     :   sName = "CharThemeOriginalColor"; break;
             case PROP_CHAR_THEME_COLOR_SHADE        :   sName = "CharThemeColorShade"; break;
             case PROP_CHAR_THEME_FILL               :   sName = "CharThemeFill"; break;
+            case PROP_HORIZONTAL_MERGE: sName = "HorizontalMerge"; break;
         }
         ::std::pair<PropertyNameMap_t::iterator,bool> aInsertIt =
                 m_pImpl->aNameMap.insert( PropertyNameMap_t::value_type( eId, sName ));
diff --git a/writerfilter/source/dmapper/PropertyIds.hxx b/writerfilter/source/dmapper/PropertyIds.hxx
index ae3e02a4c7b8..2a9c1ee6d2f1 100644
--- a/writerfilter/source/dmapper/PropertyIds.hxx
+++ b/writerfilter/source/dmapper/PropertyIds.hxx
@@ -330,6 +330,7 @@ enum PropertyIds
         ,PROP_CHAR_THEME_ORIGINAL_COLOR
         ,PROP_CHAR_THEME_COLOR_SHADE
         ,PROP_CHAR_THEME_FILL
+        ,PROP_HORIZONTAL_MERGE
     };
 struct PropertyNameSupplier_Impl;
 class PropertyNameSupplier