Resolves: tdf#125104 crash on getting text desc of numbering

this seems to have been wrong for a very long time, but we used
to get away with it back in the .src era with presumably amusingly
random strings from other parts of the ui shown in the summary
of changes are of the organizer page of the dialog

Change-Id: If223182170ba8519d7899f8044f01c2a12f4e391
Reviewed-on: https://gerrit.libreoffice.org/72491Reviewed-by: Michael Stahl <Michael.Stahl@cib.de>
Tested-by: Jenkins

svx/source/items/pageitem.cxx

@@ -22,10 +22,15 @@
 #include <utility>
 
 #include <osl/diagnose.h>
+#include <comphelper/processfactory.hxx>
 #include <tools/stream.hxx>
+#include <tools/resary.hxx>
 #include <svx/pageitem.hxx>
+#include <svx/strarray.hxx>
 #include <editeng/itemtype.hxx>
 #include <svx/unomid.hxx>
+#include <com/sun/star/text/DefaultNumberingProvider.hpp>
+#include <com/sun/star/text/XNumberingTypeInfo.hpp>
 #include <com/sun/star/style/NumberingType.hpp>
 #include <com/sun/star/style/PageStyleLayout.hpp>
 #include <com/sun/star/style/BreakType.hpp>
@@ -95,6 +100,26 @@ static const char* RID_SVXITEMS_PAGE_NUMS[] =
     RID_SVXITEMS_PAGE_NUM_NONE
 };
 
+namespace
+{
+    OUString GetNumberingDescription(SvxNumType eNumType)
+    {
+        // classic ones, keep displaying the old name
+        if (eNumType <= css::style::NumberingType::NUMBER_NONE)
+            return SvxResId(RID_SVXITEMS_PAGE_NUMS[eNumType]);
+        // new ones, reuse the text used in the numbering dropdown list
+        sal_uInt32 n = SvxNumberingTypeTable::FindIndex(eNumType);
+        if (n != RESARRAY_INDEX_NOTFOUND)
+            return SvxNumberingTypeTable::GetString(n);
+        css::uno::Reference<css::uno::XComponentContext> xContext = comphelper::getProcessComponentContext();
+        css::uno::Reference<css::text::XDefaultNumberingProvider> xDefNum = css::text::DefaultNumberingProvider::create(xContext);
+        css::uno::Reference<css::text::XNumberingTypeInfo> xInfo(xDefNum, css::uno::UNO_QUERY);
+        if (!xInfo.is())
+            return OUString();
+        return xInfo->getNumberingIdentifier(eNumType);
+    }
+}
+
 bool SvxPageItem::GetPresentation
 (
     SfxItemPresentation ePres,
@@ -114,8 +139,7 @@ bool SvxPageItem::GetPresentation
             {
                 rText = aDescName + cpDelimTmp;
             }
-            assert(eNumType <= css::style::NumberingType::NUMBER_NONE && "enum overflow");
-            rText += SvxResId(RID_SVXITEMS_PAGE_NUMS[eNumType]) + cpDelimTmp;
+            rText += GetNumberingDescription(eNumType) + cpDelimTmp;
             if ( bLandscape )
                 rText += SvxResId(RID_SVXITEMS_PAGE_LAND_TRUE);
             else
@@ -134,8 +158,7 @@ bool SvxPageItem::GetPresentation
             {
                 rText += aDescName + cpDelimTmp;
             }
-            assert(eNumType <= css::style::NumberingType::NUMBER_NONE && "enum overflow");
-            rText += SvxResId(RID_SVXITEMS_PAGE_NUMS[eNumType]) + cpDelimTmp;
+            rText += GetNumberingDescription(eNumType) + cpDelimTmp;
             if ( bLandscape )
                 rText += SvxResId(RID_SVXITEMS_PAGE_LAND_TRUE);
             else