writerfilter: import RTF_NOCOLBAL

Change-Id: If2efab82c0adc2f3dc52733c335693565c350bfa

sw/qa/extras/rtfimport/data/unbalanced-columns-compat.rtf

+{\rtf1
+\nocolbal\sectd\cols2\pard\plain
+This is in the left column.\par
+This is the second line, in the same column.\par
+\sect\sectd\sbknone\pard\plain
+After section break.\par
+}

sw/qa/extras/rtfimport/rtfimport.cxx

@@ -1784,6 +1784,14 @@ DECLARE_RTFIMPORT_TEST(testFdo80905, "fdo80905.rtf")
     CPPUNIT_ASSERT_EQUAL(true, static_cast<bool>(xFields->hasMoreElements()));
 }
 
+DECLARE_RTFIMPORT_TEST(testUnbalancedColumnsCompat, "unbalanced-columns-compat.rtf")
+{
+    uno::Reference<text::XTextSectionsSupplier> xTextSectionsSupplier(mxComponent, uno::UNO_QUERY);
+    uno::Reference<container::XIndexAccess> xTextSections(xTextSectionsSupplier->getTextSections(), uno::UNO_QUERY);
+    // This was false, we ignored the relevant compat setting to make this non-last section unbalanced.
+    CPPUNIT_ASSERT_EQUAL(true, getProperty<bool>(xTextSections->getByIndex(0), "DontBalanceTextColumns"));
+}
+
 CPPUNIT_PLUGIN_IMPLEMENT();
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

writerfilter/source/rtftok/rtfdocumentimpl.cxx

@@ -3311,6 +3311,9 @@ int RTFDocumentImpl::dispatchFlag(RTFKeyword nKeyword)
     case RTF_BRDRSH:
         lcl_putBorderProperty(m_aStates, NS_ooxml::LN_CT_Border_shadow, RTFValue::Pointer_t(new RTFValue(1)));
         break;
+    case RTF_NOCOLBAL:
+        m_aSettingsTableSprms.set(NS_ooxml::LN_CT_Compat_noColumnBalance, RTFValue::Pointer_t(new RTFValue(1)));
+        break;
     default:
     {
         SAL_INFO("writerfilter", "TODO handle flag '" << lcl_RtfToString(nKeyword) << "'");