sw: tdf#91131 when renaming a SwNumRule, also ...

... update the DocumentListsManager::maLists because without that all
list styles created in the UI will have GetDefaultListStyleName() ==
"Untitled1" and then deleting one of them deletes all these entries from
maList, which makes the DocumentListsManager unhappy.

Change-Id: Ic40e561fc540881ab29566a3f5ecdc8a180c97ef

sw/inc/list.hxx

@@ -39,6 +39,7 @@ class SwList
         const OUString GetListId() const;
 
         const OUString GetDefaultListStyleName() const;
+        void SetDefaultListStyleName(OUString const&);
 
         void InsertListItem( SwNodeNum& rNodeNum,
                              const int nLevel );

sw/source/core/doc/DocumentListsManager.cxx

@@ -182,6 +182,13 @@ void DocumentListsManager::trackChangeOfListStyleName( const OUString& sListStyl
         maListStyleLists.erase( sListStyleName );
         maListStyleLists[sNewListStyleName] = pList;
     }
+    for (auto & it : maLists) // tdf#91131 update these references too
+    {
+        if (it.second->GetDefaultListStyleName() == sListStyleName)
+        {
+            it.second->SetDefaultListStyleName(sNewListStyleName);
+        }
+    }
 }
 
 

sw/source/core/doc/list.cxx

@@ -51,7 +51,6 @@ class SwListImpl
 
         bool IsListLevelMarked( const int nListLevel ) const;
 
-    private:
         // unique identifier of the list
         const OUString msListId;
         // default list style for the list items, identified by the list style name
@@ -232,6 +231,11 @@ const OUString SwList::GetDefaultListStyleName() const
     return mpListImpl->GetDefaultListStyleName();
 }
 
+void SwList::SetDefaultListStyleName(OUString const& rNew)
+{
+    mpListImpl->msDefaultListStyleName = rNew;
+}
+
 void SwList::InsertListItem( SwNodeNum& rNodeNum,
                              const int nLevel )
 {