fdo#73541 "Page Margins : Mirrored" was not preserved on export to DOCX

Mapped Property at import, so Page margins mirrored are imported correctly.
Also exported the mirrorMargins in settings.xml
Added export UT for the same.

Conflicts:
	sw/qa/extras/ooxmlexport/ooxmlexport.cxx
Reviewed on:
	https://gerrit.libreoffice.org/7632

Change-Id: I2d90643f55e1dc1d96c809e28ce37dee4653bf57

4 files changed, 27 insertions, 0 deletions

diff --git a/sw/qa/extras/ooxmlexport/data/fdo73541.docx b/sw/qa/extras/ooxmlexport/data/fdo73541.docx
new file mode 100644
index 000000000000..469d025209d8
--- /dev/null
+++ b/sw/qa/extras/ooxmlexport/data/fdo73541.docx
diff --git a/sw/qa/extras/ooxmlexport/ooxmlexport.cxx b/sw/qa/extras/ooxmlexport/ooxmlexport.cxx
index 06b881ccbf3f..818569e52291 100644
--- a/sw/qa/extras/ooxmlexport/ooxmlexport.cxx
+++ b/sw/qa/extras/ooxmlexport/ooxmlexport.cxx
@@ -2985,6 +2985,16 @@ DECLARE_OOXMLEXPORT_TEST(testLineStyle_DashType_VML, "LineStyle_DashType_VML.doc
     assertXPath(pXmlDoc, "/w:document/w:body/w:p/w:r[2]/mc:AlternateContent/mc:Fallback/w:pict/v:rect/v:stroke", "dashstyle", "dash");
 }
 
+DECLARE_OOXMLEXPORT_TEST(testFdo73541,"fdo73541.docx")
+{
+    // fdo#73541: The mirrored margins were not imported and mapped correctly in Page Layout
+    // Hence <w:mirrorMargins /> tag was not exported back in settings.xml
+    xmlDocPtr pXmlDoc = parseExport("word/settings.xml");
+    if (!pXmlDoc)
+        return;
+    assertXPath(pXmlDoc, "/w:settings/w:mirrorMargins");
+}
+
 #endif
 
 CPPUNIT_PLUGIN_IMPLEMENT();
diff --git a/sw/source/filter/ww8/docxexport.cxx b/sw/source/filter/ww8/docxexport.cxx
index 9a4d32d7e925..e004cc5f3120 100644
--- a/sw/source/filter/ww8/docxexport.cxx
+++ b/sw/source/filter/ww8/docxexport.cxx
@@ -768,6 +768,10 @@ void DocxExport::WriteSettings()
     if ( settings.trackRevisions )
         pFS->singleElementNS( XML_w, XML_trackRevisions, FSEND );
 
+    // Mirror Margins
+    if(isMirroredMargin())
+        pFS->singleElementNS( XML_w, XML_mirrorMargins, FSEND );
+
     // Embed Fonts
     if( pDoc->get( IDocumentSettingAccess::EMBED_FONTS ))
         pFS->singleElementNS( XML_w, XML_embedTrueTypeFonts, FSEND );
@@ -1176,6 +1180,16 @@ DocxSdrExport& DocxExport::SdrExporter()
     return *m_pSdrExport;
 }
 
+bool DocxExport::isMirroredMargin()
+{
+    bool bMirroredMargins = false;
+    if ( nsUseOnPage::PD_MIRROR == (nsUseOnPage::PD_MIRROR & pDoc->GetPageDesc(0).ReadUseOn()) )
+    {
+        bMirroredMargins = true;
+    }
+    return bMirroredMargins;
+}
+
 boost::optional<const SvxBrushItem*> DocxExport::getBackground()
 {
     boost::optional<const SvxBrushItem*> oRet;
diff --git a/sw/source/filter/ww8/docxexport.hxx b/sw/source/filter/ww8/docxexport.hxx
index 5d370954a1c9..fe303930cbf9 100644
--- a/sw/source/filter/ww8/docxexport.hxx
+++ b/sw/source/filter/ww8/docxexport.hxx
@@ -236,6 +236,9 @@ private:
     /// Get background color of the document, if there is one.
     boost::optional<const SvxBrushItem*> getBackground();
 
+    /// return true if Page Layout is set as Mirrored
+    bool isMirroredMargin();
+
 public:
     /// FIXME this is temporary, remotely reminding the method of the same
     /// name in WW8Export.