Move SwClientIter::Last() to SwIterator

Change-Id: I7ec3feaec7a07871a3470f7f41dd203fa0f83fd0

sw/inc/calbck.hxx

@@ -263,16 +263,6 @@ class SwClientIter SAL_FINAL : public sw::Ring<SwClientIter>
 
     static SW_DLLPUBLIC SwClientIter* our_pClientIters;
 
-    SwClient* Last( TypeId nType )
-    {
-        m_aSearchType = nType;
-        GoEnd();
-        if(!m_pPosition)
-            return nullptr;
-        if( m_pPosition->IsA( m_aSearchType ) )
-            return m_pPosition;
-        return Previous();
-    }
     SwClient* Next()
     {
         if( m_pPosition == m_pCurrent )

sw/inc/switerator.hxx

@@ -37,7 +37,16 @@ public:
         aClientIter.m_pCurrent = nullptr;
         return PTR_CAST(TElementType,aClientIter.Next());
     }
-    TElementType* Last()      { SwClient* p = aClientIter.Last( TYPE(TElementType)); return PTR_CAST(TElementType,p); }
+    TElementType* Last()
+    {
+        aClientIter.m_aSearchType = TYPE(TElementType);
+        GoEnd();
+        if(!aClientIter.m_pPosition)
+            return nullptr;
+        if(aClientIter.m_pPosition->IsA(TYPE(TElementType))
+            return PTR_CAST(TElementType,aClientIter.m_pPosition);
+        return PTR_CAST(TElementType,aClientIter.Previous());
+    }
     TElementType* Next()      { SwClient* p = aClientIter.Next();     return PTR_CAST(TElementType,p); }
     TElementType* Previous()  { SwClient* p = aClientIter.Previous(); return PTR_CAST(TElementType,p);  }
     static TElementType* FirstElement( const TSource& rMod ) { SwClient* p = SwClientIter(rMod).First(TYPE(TElementType)); return PTR_CAST(TElementType,p); }