Export redline 'formatting changes' back to DOCX

This patch adds support for the export of any redline 'formatting changes'
properties that were imported from a DOCX file under the
'rPrChange'->'rPr' XML node.

Change-Id: Iffb4ce9f6606013a1f6f937d2e62ef0cf9e015b5
Reviewed-on: https://gerrit.libreoffice.org/6909
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>

1 files changed, 48 insertions, 0 deletions

diff --git a/sw/source/filter/ww8/docxattributeoutput.cxx b/sw/source/filter/ww8/docxattributeoutput.cxx
index 41aa1a8b014e..b7f06a0d50bd 100644
--- a/sw/source/filter/ww8/docxattributeoutput.cxx
+++ b/sw/source/filter/ww8/docxattributeoutput.cxx
@@ -30,6 +30,7 @@
 #include "tgrditem.hxx"
 #include "fmtruby.hxx"
 #include "breakit.hxx"
+#include "redline.hxx"
 
 #include <comphelper/string.hxx>
 #include <oox/token/tokens.hxx>
@@ -1571,6 +1572,53 @@ void DocxAttributeOutput::Redline( const SwRedlineData* pRedline)
                 FSNS( XML_w, XML_date ), aDate.getStr(),
                 FSEND );
 
+        // Check if there is any extra data stored in the redline object
+        if (pRedline->GetExtraData())
+        {
+            const SwRedlineExtraData* pExtraData = pRedline->GetExtraData();
+            const SwRedlineExtraData_FormattingChanges* pFormattingChanges = dynamic_cast<const SwRedlineExtraData_FormattingChanges*>(pExtraData);
+
+            // Check if the extra data is of type 'formatting changes'
+            if (pFormattingChanges)
+            {
+                // Get the item set that holds all the changes properties
+                const SfxItemSet *pChangesSet = pFormattingChanges->GetItemSet();
+                if (pChangesSet)
+                {
+                    m_pSerializer->mark();
+
+                    m_pSerializer->startElementNS( XML_w, XML_rPr, FSEND );
+
+                    // The 'm_pFontsAttrList', 'm_pEastAsianLayoutAttrList', 'm_pCharLangAttrList' are used to hold information
+                    // that should be collected by different properties in the core, and are all flushed together
+                    // to the DOCX when the function 'WriteCollectedRunProperties' gets called.
+                    // So we need to store the current status of these lists, so that we can revert back to them when
+                    // we are done exporting the redline attributes.
+                    ::sax_fastparser::FastAttributeList *pFontsAttrList_Original           = m_pFontsAttrList;
+                    ::sax_fastparser::FastAttributeList *pEastAsianLayoutAttrList_Original = m_pEastAsianLayoutAttrList;
+                    ::sax_fastparser::FastAttributeList *pCharLangAttrList_Original        = m_pCharLangAttrList;
+                    m_pFontsAttrList           = NULL;
+                    m_pEastAsianLayoutAttrList = NULL;
+                    m_pCharLangAttrList        = NULL;
+
+                    // Output the redline item set
+                    m_rExport.OutputItemSet( *pChangesSet, false, true, i18n::ScriptType::LATIN, m_rExport.mbExportModeRTF );
+
+                    // Write the collected run properties that are stored in 'm_pFontsAttrList', 'm_pEastAsianLayoutAttrList', 'm_pCharLangAttrList'
+                    WriteCollectedRunProperties();
+
+                    // Revert back the original values that were stored in 'm_pFontsAttrList', 'm_pEastAsianLayoutAttrList', 'm_pCharLangAttrList'
+                    m_pFontsAttrList           = pFontsAttrList_Original;
+                    m_pEastAsianLayoutAttrList = pEastAsianLayoutAttrList_Original;
+                    m_pCharLangAttrList        = pCharLangAttrList_Original;
+
+                    m_pSerializer->endElementNS( XML_w, XML_rPr );
+
+                    m_pSerializer->mergeTopMarks( sax_fastparser::MERGE_MARKS_PREPEND );
+                }
+            }
+        }
+
         m_pSerializer->endElementNS( XML_w, XML_rPrChange );
 
         break;