tdf#89377 ww8import: table honors ParaStyle break-before-page

MS Word can page-break inside a table at any row
(using paragraph styles from the first column).
Thus a table can be split across many pages.
Writer can't because it ignores all page-breaks while inside a table,
although the entire table itself can specify starting on a new page.

This imported .doc patch checks to see if the very first paragraph style
in a table is set with a page-break, and if so, then transfers
that setting to the table itself. That at least mimics the most
common layout scenario.

Change-Id: Ifcf720e357fdf433c225234aae8e3838f1416422
Reviewed-on: https://gerrit.libreoffice.org/30127
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Justin Luth <justin_luth@sil.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>

5 files changed, 129 insertions, 0 deletions

diff --git a/sw/CppunitTest_sw_ww8export2.mk b/sw/CppunitTest_sw_ww8export2.mk
new file mode 100644
index 000000000000..214b5007b759
--- /dev/null
+++ b/sw/CppunitTest_sw_ww8export2.mk
@@ -0,0 +1,82 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#*************************************************************************
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+#*************************************************************************
+
+$(eval $(call gb_CppunitTest_CppunitTest,sw_ww8export2))
+
+$(eval $(call gb_CppunitTest_add_exception_objects,sw_ww8export2, \
+    sw/qa/extras/ww8export/ww8export2 \
+))
+
+$(eval $(call gb_CppunitTest_use_libraries,sw_ww8export2, \
+    comphelper \
+    cppu \
+    cppuhelper \
+    $(if $(filter WNT-TRUE,$(OS)-$(DISABLE_ATL)),,emboleobj) \
+    sal \
+    test \
+    unotest \
+    utl \
+    sw \
+    tl \
+    $(gb_UWINAPI) \
+))
+
+$(eval $(call gb_CppunitTest_use_externals,sw_ww8export2,\
+    boost_headers \
+    libxml2 \
+))
+
+$(eval $(call gb_CppunitTest_set_include,sw_ww8export2,\
+    -I$(SRCDIR)/sw/inc \
+    -I$(SRCDIR)/sw/source/core/inc \
+    -I$(SRCDIR)/sw/qa/extras/inc \
+    $$(INCLUDE) \
+))
+
+$(eval $(call gb_CppunitTest_use_sdk_api,sw_ww8export2))
+
+$(eval $(call gb_CppunitTest_use_ure,sw_ww8export2))
+$(eval $(call gb_CppunitTest_use_vcl,sw_ww8export2))
+
+$(eval $(call gb_CppunitTest_use_components,sw_ww8export2,\
+    basic/util/sb \
+    comphelper/util/comphelp \
+    configmgr/source/configmgr \
+    dbaccess/util/dba \
+    filter/source/config/cache/filterconfig1 \
+    filter/source/storagefilterdetect/storagefd \
+    forms/util/frm \
+    framework/util/fwk \
+    i18npool/util/i18npool \
+    linguistic/source/lng \
+    package/source/xstor/xstor \
+    package/util/package2 \
+    sax/source/expatwrap/expwrap \
+    sw/util/msword \
+    sw/util/sw \
+    sw/util/swd \
+    sfx2/util/sfx \
+    svl/source/fsstor/fsstorage \
+    svtools/util/svt \
+    toolkit/util/tk \
+    ucb/source/core/ucb1 \
+    ucb/source/ucp/file/ucpfile1 \
+    unotools/util/utl \
+    unoxml/source/service/unoxml \
+    unoxml/source/rdf/unordf \
+    uui/util/uui \
+    $(if $(filter DESKTOP,$(BUILD_TYPE)),xmlhelp/util/ucpchelp1) \
+    xmloff/util/xo \
+))
+
+$(eval $(call gb_CppunitTest_use_configuration,sw_ww8export2))
+
+# vim: set noet sw=4 ts=4:
diff --git a/sw/Module_sw.mk b/sw/Module_sw.mk
index d63c5a2dcdcc..b5950bb56556 100644
--- a/sw/Module_sw.mk
+++ b/sw/Module_sw.mk
@@ -65,6 +65,7 @@ $(eval $(call gb_Module_add_slowcheck_targets,sw,\
     CppunitTest_sw_ooxmlw14export \
     CppunitTest_sw_ooxmlimport \
     CppunitTest_sw_ww8export \
+    CppunitTest_sw_ww8export2 \
     CppunitTest_sw_ww8import \
     CppunitTest_sw_rtfexport \
     CppunitTest_sw_rtfimport \
diff --git a/sw/qa/extras/ww8export/data/tdf89377_tableWithBreakBeforeParaStyle.doc b/sw/qa/extras/ww8export/data/tdf89377_tableWithBreakBeforeParaStyle.doc
new file mode 100755
index 000000000000..ef6415f16165
--- /dev/null
+++ b/sw/qa/extras/ww8export/data/tdf89377_tableWithBreakBeforeParaStyle.doc
diff --git a/sw/qa/extras/ww8export/ww8export2.cxx b/sw/qa/extras/ww8export/ww8export2.cxx
new file mode 100644
index 000000000000..50aad0f8d5a6
--- /dev/null
+++ b/sw/qa/extras/ww8export/ww8export2.cxx
@@ -0,0 +1,39 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <swmodeltestbase.hxx>
+
+#include <com/sun/star/graphic/XGraphic.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/text/XTextFramesSupplier.hpp>
+#include <com/sun/star/text/XTextTablesSupplier.hpp>
+#include <pagedesc.hxx>
+
+class Test : public SwModelTestBase
+{
+public:
+    Test() : SwModelTestBase("/sw/qa/extras/ww8export/data/", "MS Word 97") {}
+
+    bool mustTestImportOf(const char* filename) const override
+    {
+        // If the testcase is stored in some other format, it's pointless to test.
+        return OString(filename).endsWith(".doc");
+    }
+
+};
+
+DECLARE_WW8EXPORT_TEST(testTdf89377, "tdf89377_tableWithBreakBeforeParaStyle.doc")
+{
+    // the paragraph style should set table's text-flow break-before-page
+    CPPUNIT_ASSERT_EQUAL( 2, getPages() );
+}
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sw/source/filter/ww8/ww8par2.cxx b/sw/source/filter/ww8/ww8par2.cxx
index 817139d77652..ce09a9dc5513 100644
--- a/sw/source/filter/ww8/ww8par2.cxx
+++ b/sw/source/filter/ww8/ww8par2.cxx
@@ -3446,6 +3446,13 @@ bool SwWW8ImplReader::StartTable(WW8_CP nStartCp, SvxULSpaceItem* pULSpaceItem)
             }
         }
     }
+    // if first paragraph in table has break-before-page, transfer that setting to the table itself.
+    else if( StyleExists(m_nAktColl) )
+    {
+        const SwFormat* pStyleFormat = m_vColl[m_nAktColl].m_pFormat;
+        if( pStyleFormat && pStyleFormat->GetBreak().GetBreak() == SvxBreak::PageBefore )
+            NewAttr( pStyleFormat->GetBreak() );
+    }
 
     m_pTableDesc = new WW8TabDesc( this, nStartCp );