1 files changed, 140 insertions, 0 deletions
diff --git a/svx/source/svdraw/svditer.cxx b/svx/source/svdraw/svditer.cxx
new file mode 100644
index 0000000000..eaca2b335d
--- /dev/null
+++ b/svx/source/svdraw/svditer.cxx
@@ -0,0 +1,140 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svx/svditer.hxx>
+#include <svx/svdpage.hxx>
+#include <svx/svdobj.hxx>
+#include <svx/svdmark.hxx>
+#include <osl/diagnose.h>
+
+SdrObjListIter::SdrObjListIter(const SdrObjList* pObjList, SdrIterMode eMode, bool bReverse)
+:   mnIndex(0),
+    mbReverse(bReverse),
+    mbUseZOrder(true)
+{
+    if(nullptr != pObjList)
+    {
+        ImpProcessObjectList(*pObjList, eMode);
+    }
+
+    Reset();
+}
+
+SdrObjListIter::SdrObjListIter(const SdrObjList* pObjList, bool bUseZOrder, SdrIterMode eMode, bool bReverse)
+:   mnIndex(0),
+    mbReverse(bReverse),
+    mbUseZOrder(bUseZOrder)
+{
+    if(nullptr != pObjList)
+    {
+        // correct when we have no ObjectNavigationOrder
+        if(!mbUseZOrder && !pObjList->HasObjectNavigationOrder())
+        {
+            mbUseZOrder = false;
+        }
+
+        ImpProcessObjectList(*pObjList, eMode);
+    }
+
+    Reset();
+}
+
+SdrObjListIter::SdrObjListIter(const SdrObject& rSdrObject, SdrIterMode eMode, bool bReverse)
+:   mnIndex(0),
+    mbReverse(bReverse),
+    mbUseZOrder(true)
+{
+    ImpProcessObj(rSdrObject, eMode);
+    Reset();
+}
+
+SdrObjListIter::SdrObjListIter(const SdrPage* pSdrPage, SdrIterMode eMode, bool bReverse)
+:   mnIndex(0),
+    mbReverse(bReverse),
+    mbUseZOrder(true)
+{
+    if (pSdrPage)
+        ImpProcessObjectList(*pSdrPage, eMode);
+    Reset();
+}
+
+SdrObjListIter::SdrObjListIter( const SdrMarkList& rMarkList, SdrIterMode eMode )
+:   mnIndex(0),
+    mbReverse(false),
+    mbUseZOrder(true)
+{
+    ImpProcessMarkList(rMarkList, eMode);
+    Reset();
+}
+
+void SdrObjListIter::ImpProcessObjectList(const SdrObjList& rObjList, SdrIterMode eMode)
+{
+    for(size_t nIdx(0), nCount(rObjList.GetObjCount()); nIdx < nCount; ++nIdx)
+    {
+        const SdrObject* pSdrObject(mbUseZOrder
+            ? rObjList.GetObj(nIdx)
+            : rObjList.GetObjectForNavigationPosition(nIdx));
+
+        if(nullptr == pSdrObject)
+        {
+            OSL_ENSURE(false, "SdrObjListIter: corrupted SdrObjList (!)");
+        }
+        else
+        {
+            ImpProcessObj(*pSdrObject, eMode);
+        }
+    }
+}
+
+void SdrObjListIter::ImpProcessMarkList(const SdrMarkList& rMarkList, SdrIterMode eMode)
+{
+    for( size_t nIdx = 0, nCount = rMarkList.GetMarkCount(); nIdx < nCount; ++nIdx )
+    {
+        if( SdrObject* pObj = rMarkList.GetMark( nIdx )->GetMarkedSdrObj() )
+        {
+            ImpProcessObj(*pObj, eMode);
+        }
+    }
+}
+
+void SdrObjListIter::ImpProcessObj(const SdrObject& rSdrObject, SdrIterMode eMode)
+{
+    // TTTT: Note: The behaviour has changed here, it will now deep-iterate
+    // for SdrObjGroup and E3dScene. Old version only deep-dived for SdrObjGroup,
+    // E3dScene was just added flat. This is now more correct, but potentially
+    // there will exist code in the 3D area that *self-iterates* with local
+    // functions/methods due to this iterator was not doing the expected thing.
+    // These will be difficult to find, but in most cases should do no harm,
+    // but cost runtime. Will need to have an eye on this aspect on continued
+    // changes...
+    const SdrObjList* pChildren(rSdrObject.getChildrenOfSdrObject());
+    const bool bIsGroup(nullptr != pChildren);
+
+    if(!bIsGroup || (SdrIterMode::DeepNoGroups != eMode))
+    {
+        maObjList.push_back(&rSdrObject);
+    }
+
+    if(bIsGroup && (SdrIterMode::Flat != eMode))
+    {
+        ImpProcessObjectList(*pChildren, eMode);
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */