n#757432: Styles (rename &) copy to different decks.

While copying slides to different slide decks,
styles were not being copied if there is already one
with the same name. This patch renames and copies those
to keep the formatting intact.

Change-Id: I66f71493f1fd658eed43e39aa7ae7ee7b5463b34

1 files changed, 23 insertions, 0 deletions

diff --git a/svl/source/items/itemset.cxx b/svl/source/items/itemset.cxx
index 842fc4060786..50498e396922 100644
--- a/svl/source/items/itemset.cxx
+++ b/svl/source/items/itemset.cxx
@@ -31,6 +31,7 @@
 
 #include <tools/stream.hxx>
 #include <tools/solar.h>
+#include <rtl/strbuf.hxx>
 
 // STATIC DATA -----------------------------------------------------------
 
@@ -2029,4 +2030,26 @@ SfxItemSet *SfxAllItemSet::Clone(sal_Bool bItems, SfxItemPool *pToPool ) const
         return bItems ? new SfxAllItemSet(*this) : new SfxAllItemSet(*_pPool);
 }
 
+// -----------------------------------------------------------------------
+
+sal_uInt64 SfxItemSet::getHash() const
+{
+    return stringify().hashCode64();
+}
+
+// -----------------------------------------------------------------------
+
+OString SfxItemSet::stringify() const
+{
+    rtl::OStringBuffer aString(100);
+    SvMemoryStream aStream;
+    OString aLine;
+    SfxItemSet aSet(*this);
+    aSet.InvalidateDefaultItems();
+    aSet.Store(aStream, true);
+    aStream.Flush();
+    aString.append((const char *)aStream.GetData(), aStream.GetEndOfData());
+
+    return aString.makeStringAndClear();
+}
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */