don't crash on formatting outline level 10 in master view

There are only 9 outline level styles, but we are allowed
(for some nutball reason) to create 10 levels, trying
to change the format of level 10 will then crash when
trying to apply its formatting to the non-existent
underlying style

Change-Id: Ic240322f98d832bc59edb502dd6d4988aa022481

1 files changed, 29 insertions, 24 deletions

diff --git a/sd/source/ui/view/drawview.cxx b/sd/source/ui/view/drawview.cxx
index af9f4de67806..18a181f525d5 100644
--- a/sd/source/ui/view/drawview.cxx
+++ b/sd/source/ui/view/drawview.cxx
@@ -197,35 +197,40 @@ bool DrawView::SetAttributes(const SfxItemSet& rSet,
                         OUString aName = rPage.GetLayoutName() + " " +
                             OUString::number((nDepth <= 0) ? 1 : nDepth + 1);
                         SfxStyleSheet* pSheet = (SfxStyleSheet*)pStShPool->Find(aName, SD_STYLE_FAMILY_MASTERPAGE);
-                        DBG_ASSERT(pSheet, "StyleSheet not found");
-
-                        SfxItemSet aTempSet( pSheet->GetItemSet() );
-                        aTempSet.Put( rSet );
-                        aTempSet.ClearInvalidItems();
-
-                        if( nDepth > 0 && aTempSet.GetItemState( EE_PARA_NUMBULLET ) == SFX_ITEM_ON )
+                        //We have no stylesheet if we access outline level 10
+                        //in the master preview, there is no true style backing
+                        //that entry
+                        SAL_WARN_IF(!pSheet, "sd", "StyleSheet " << aName << " not found");
+                        if (pSheet)
                         {
-                            // no SvxNumBulletItem in outline level 1 to 8!
-                            aTempSet.ClearItem( EE_PARA_NUMBULLET );
-                        }
+                            SfxItemSet aTempSet( pSheet->GetItemSet() );
+                            aTempSet.Put( rSet );
+                            aTempSet.ClearInvalidItems();
 
-                        // Undo-Action
-                        StyleSheetUndoAction* pAction = new StyleSheetUndoAction(&mrDoc, pSheet, &aTempSet);
-                        mpDocSh->GetUndoManager()->AddUndoAction(pAction);
+                            if( nDepth > 0 && aTempSet.GetItemState( EE_PARA_NUMBULLET ) == SFX_ITEM_ON )
+                            {
+                                // no SvxNumBulletItem in outline level 1 to 8!
+                                aTempSet.ClearItem( EE_PARA_NUMBULLET );
+                            }
 
-                        pSheet->GetItemSet().Put(aTempSet);
-                        pSheet->Broadcast(SfxSimpleHint(SFX_HINT_DATACHANGED));
+                            // Undo-Action
+                            StyleSheetUndoAction* pAction = new StyleSheetUndoAction(&mrDoc, pSheet, &aTempSet);
+                            mpDocSh->GetUndoManager()->AddUndoAction(pAction);
 
-                        // now also broadcast any child sheets
-                        sal_Int16 nChild;
-                        for( nChild = nDepth + 1; nChild < 9; nChild++ )
-                        {
-                            OUString aSheetName = rPage.GetLayoutName() + " " +
-                                OUString::number((nChild <= 0) ? 1 : nChild + 1);
-                            SfxStyleSheet* pOutlSheet = static_cast< SfxStyleSheet* >(pStShPool->Find(aSheetName, SD_STYLE_FAMILY_MASTERPAGE));
+                            pSheet->GetItemSet().Put(aTempSet);
+                            pSheet->Broadcast(SfxSimpleHint(SFX_HINT_DATACHANGED));
 
-                            if( pOutlSheet )
-                                pOutlSheet->Broadcast(SfxSimpleHint(SFX_HINT_DATACHANGED));
+                            // now also broadcast any child sheets
+                            sal_Int16 nChild;
+                            for( nChild = nDepth + 1; nChild < 9; nChild++ )
+                            {
+                                OUString aSheetName = rPage.GetLayoutName() + " " +
+                                    OUString::number((nChild <= 0) ? 1 : nChild + 1);
+                                SfxStyleSheet* pOutlSheet = static_cast< SfxStyleSheet* >(pStShPool->Find(aSheetName, SD_STYLE_FAMILY_MASTERPAGE));
+
+                                if( pOutlSheet )
+                                    pOutlSheet->Broadcast(SfxSimpleHint(SFX_HINT_DATACHANGED));
+                            }
                         }
 
                         ++iter;