tdf#125046: export longText attribute for sharedItems element

Change-Id: Id727f10763bc5017eeb3e267b425d6013786d6a2
Reviewed-on: https://gerrit.libreoffice.org/71585
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

sc/qa/unit/pivottable_filters_test.cxx

@@ -91,6 +91,7 @@ public:
     void tesTtdf124772NumFmt();
     void testTdf124810();
     void testTdf124883();
+    void testTdf125046();
 
     CPPUNIT_TEST_SUITE(ScPivotTableFiltersTest);
 
@@ -139,6 +140,7 @@ public:
     CPPUNIT_TEST(tesTtdf124772NumFmt);
     CPPUNIT_TEST(testTdf124810);
     CPPUNIT_TEST(testTdf124883);
+    CPPUNIT_TEST(testTdf125046);
 
     CPPUNIT_TEST_SUITE_END();
 
@@ -2632,6 +2634,18 @@ void ScPivotTableFiltersTest::testTdf124883()
                 "Count of Value2");
 }
 
+void ScPivotTableFiltersTest::testTdf125046()
+{
+    ScDocShellRef xDocSh = loadDoc("pivottable_long_text.", FORMAT_XLSX);
+    CPPUNIT_ASSERT(xDocSh.is());
+
+    xmlDocPtr pDoc = XPathHelper::parseExport2(
+        *this, *xDocSh, m_xSFactory, "xl/pivotCache/pivotCacheDefinition1.xml", FORMAT_XLSX);
+    CPPUNIT_ASSERT(pDoc);
+    assertXPath(pDoc, "/x:pivotCacheDefinition/x:cacheFields/x:cacheField[2]/x:sharedItems",
+                "longText", "1");
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(ScPivotTableFiltersTest);
 
 CPPUNIT_PLUGIN_IMPLEMENT();

sc/source/filter/excel/xepivotxml.cxx

@@ -350,6 +350,7 @@ void XclExpXmlPivotCaches::SavePivotCacheXml( XclExpXmlStream& rStrm, const Entr
         double fMin = std::numeric_limits<double>::infinity(), fMax = -std::numeric_limits<double>::infinity();
         bool isValueInteger = true;
         bool isContainsDate = rCache.IsDateDimension(i);
+        bool isLongText = false;
         for (const auto& rFieldItem : rFieldItems)
         {
             ScDPItemData::Type eType = rFieldItem.GetType();
@@ -369,6 +370,10 @@ void XclExpXmlPivotCaches::SavePivotCacheXml( XclExpXmlStream& rStrm, const Entr
                     isValueInteger = false;
                 }
             }
+            else if (eType == ScDPItemData::String && !isLongText)
+            {
+                isLongText = rFieldItem.GetString().getLength() > 255;
+            }
         }
 
         auto pAttList = sax_fastparser::FastSerializerHelper::createAttrList();
@@ -444,6 +449,12 @@ void XclExpXmlPivotCaches::SavePivotCacheXml( XclExpXmlStream& rStrm, const Entr
         {
             pAttList->add(XML_count, OString::number(static_cast<long>(rFieldItems.size())));
         }
+
+        if (isLongText)
+        {
+            pAttList->add(XML_longText, ToPsz10(true));
+        }
+
         sax_fastparser::XFastAttributeListRef xAttributeList(pAttList);
 
         pDefStrm->startElement(XML_sharedItems, xAttributeList);