RTF filter: export \hyphauto

Change-Id: Ide8cb5f45d3eb60c45d86d58a9ab12bbc9f4cf47

sw/qa/extras/rtfexport/data/hyphauto.rtf

+{\rtf1
+\hyphauto1
+\pard\plain
+Hello.
+\par
+}

sw/qa/extras/rtfexport/rtfexport.cxx

@@ -867,6 +867,11 @@ DECLARE_RTFEXPORT_TEST(testSautoupd, "sautoupd.rtf")
     CPPUNIT_ASSERT_EQUAL(false, getProperty<bool>(xHeading2, "IsAutoUpdate"));
 }
 
+DECLARE_RTFEXPORT_TEST(testHyphauto, "hyphauto.rtf")
+{
+    CPPUNIT_ASSERT_EQUAL(true, getProperty<bool>(getParagraph(1), "ParaIsHyphenation"));
+}
+
 CPPUNIT_PLUGIN_IMPLEMENT();
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sw/source/filter/ww8/rtfexport.cxx

@@ -36,6 +36,7 @@
 #include <lineinfo.hxx>
 #include <swmodule.hxx>
 #include <IDocumentLayoutAccess.hxx>
+#include <IDocumentStylePoolAccess.hxx>
 #include "ww8par.hxx"
 #include <comphelper/string.hxx>
 #include <svtools/rtfkeywd.hxx>
@@ -45,6 +46,7 @@
 #include <iostream>
 #endif
 #include <svx/xflclit.hxx>
+#include <editeng/hyphenzoneitem.hxx>
 
 using namespace ::com::sun::star;
 
@@ -502,6 +504,17 @@ void RtfExport::ExportDocument_Impl()
     WriteInfo();
     // Default TabSize
     Strm().WriteCharPtr(m_pAttrOutput->m_aTabStop.makeStringAndClear().getStr()).WriteCharPtr(SAL_NEWLINE_STRING);
+
+    // Automatic hyphenation: it's a global setting in Word, it's a paragraph setting in Writer.
+    // Use the setting from the default style.
+    SwTxtFmtColl* pTxtFmtColl = pDoc->getIDocumentStylePoolAccess().GetTxtCollFromPool(RES_POOLCOLL_STANDARD, /*bRegardLanguage=*/false);
+    const SfxPoolItem* pItem;
+    if (pTxtFmtColl && pTxtFmtColl->GetItemState(RES_PARATR_HYPHENZONE, false, &pItem) == SfxItemState::SET)
+    {
+        Strm().WriteCharPtr(OOO_STRING_SVTOOLS_RTF_HYPHAUTO);
+        OutULong(static_cast<const SvxHyphenZoneItem*>(pItem)->IsHyphen());
+    }
+
     // Zoom
     SwViewShell* pViewShell(pDoc->getIDocumentLayoutAccess().GetCurrentViewShell());
     if (pViewShell && pViewShell->GetViewOptions()->GetZoomType() == SvxZoomType::PERCENT)