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diff --git a/oox/source/drawingml/diagram/layoutatomvisitors.cxx b/oox/source/drawingml/diagram/layoutatomvisitors.cxx
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+/* -*- 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 "layoutatomvisitors.hxx"
+
+#include <drawingml/customshapeproperties.hxx>
+
+#include <sal/log.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::xml::sax;
+using namespace ::oox::core;
+
+namespace oox::drawingml
+{
+void ShapeCreationVisitor::visit(ConstraintAtom& /*rAtom*/)
+{
+ // stop processing
+}
+
+void ShapeCreationVisitor::visit(RuleAtom& /*rAtom*/)
+{
+ // stop processing
+}
+
+void ShapeCreationVisitor::visit(AlgAtom& rAtom)
+{
+ if (meLookFor == ALGORITHM)
+ {
+ mpParentShape->setAspectRatio(rAtom.getAspectRatio());
+ mpParentShape->setVerticalShapesCount(rAtom.getVerticalShapesCount(mpParentShape));
+ }
+}
+
+void ShapeCreationVisitor::visit(LayoutNode& rAtom)
+{
+ if (meLookFor != LAYOUT_NODE)
+ return;
+
+ // stop processing if it's not a child of previous LayoutNode
+
+ const DiagramData::PointsNameMap::const_iterator aDataNode
+ = mrDgm.getData()->getPointsPresNameMap().find(rAtom.getName());
+ if (aDataNode == mrDgm.getData()->getPointsPresNameMap().end()
+ || mnCurrIdx >= static_cast<sal_Int32>(aDataNode->second.size()))
+ return;
+
+ const svx::diagram::Point* pNewNode = aDataNode->second.at(mnCurrIdx);
+ if (!mpCurrentNode || !pNewNode)
+ return;
+
+ bool bIsChild = false;
+ for (const auto& aConnection : mrDgm.getData()->getConnections())
+ if (aConnection.msSourceId == mpCurrentNode->msModelId
+ && aConnection.msDestId == pNewNode->msModelId)
+ bIsChild = true;
+
+ if (!bIsChild)
+ return;
+
+ ShapePtr pCurrParent(mpParentShape);
+
+ if (rAtom.getExistingShape())
+ {
+ // reuse existing shape
+ ShapePtr pShape = rAtom.getExistingShape();
+ if (rAtom.setupShape(pShape, pNewNode, mnCurrIdx))
+ {
+ pShape->setInternalName(rAtom.getName());
+ rAtom.addNodeShape(pShape);
+ mrDgm.getLayout()->getPresPointShapeMap()[pNewNode] = pShape;
+ }
+ }
+ else
+ {
+ ShapeTemplateVisitor aTemplateVisitor(mrDgm, pNewNode);
+ aTemplateVisitor.defaultVisit(rAtom);
+ ShapePtr pShape = aTemplateVisitor.getShapeCopy();
+
+ if (pShape)
+ {
+ SAL_INFO("oox.drawingml",
+ "processing shape type "
+ << (pShape->getCustomShapeProperties()->getShapePresetType()));
+
+ if (rAtom.setupShape(pShape, pNewNode, mnCurrIdx))
+ {
+ pShape->setInternalName(rAtom.getName());
+ pCurrParent->addChild(pShape);
+ pCurrParent = pShape;
+ rAtom.addNodeShape(pShape);
+ mrDgm.getLayout()->getPresPointShapeMap()[pNewNode] = pShape;
+ }
+ }
+ else
+ {
+ SAL_WARN("oox.drawingml",
+ "ShapeCreationVisitor::visit: no shape set while processing layoutnode named "
+ << rAtom.getName());
+ }
+ }
+
+ const svx::diagram::Point* pPreviousNode = mpCurrentNode;
+ mpCurrentNode = pNewNode;
+
+ // set new parent for children
+ ShapePtr pPreviousParent(mpParentShape);
+ mpParentShape = pCurrParent;
+
+ // process children
+ meLookFor = LAYOUT_NODE;
+ defaultVisit(rAtom);
+
+ meLookFor = ALGORITHM;
+ defaultVisit(rAtom);
+ meLookFor = LAYOUT_NODE;
+
+ // restore parent
+ mpParentShape = pPreviousParent;
+ mpCurrentNode = pPreviousNode;
+}
+
+void ShapeCreationVisitor::visit(ShapeAtom& /*rAtom*/)
+{
+ // stop processing
+}
+
+void ShapeTemplateVisitor::visit(ConstraintAtom& /*rAtom*/)
+{
+ // stop processing
+}
+
+void ShapeTemplateVisitor::visit(RuleAtom& /*rAtom*/)
+{
+ // stop processing
+}
+
+void ShapeTemplateVisitor::visit(AlgAtom& /*rAtom*/)
+{
+ // stop processing
+}
+
+void ShapeTemplateVisitor::visit(ForEachAtom& /*rAtom*/)
+{
+ // stop processing
+}
+
+void ShapeTemplateVisitor::visit(LayoutNode& /*rAtom*/)
+{
+ // stop processing - only traverse Condition/Choose atoms
+}
+
+void ShapeTemplateVisitor::visit(ShapeAtom& rAtom)
+{
+ if (mpShape)
+ {
+ SAL_WARN("oox.drawingml", "multiple shapes encountered inside LayoutNode");
+ return;
+ }
+
+ const ShapePtr& pCurrShape(rAtom.getShapeTemplate());
+
+ // TODO(F3): cloned shape shares all properties by reference,
+ // don't change them!
+ mpShape = std::make_shared<Shape>(pCurrShape);
+ // Fill properties have to be changed as sometimes only the presentation node contains the blip
+ // fill, unshare those.
+ mpShape->cloneFillProperties();
+
+ // add/set ModelID from current node to allow later association
+ if (mpCurrentNode)
+ mpShape->setDiagramDataModelID(mpCurrentNode->msModelId);
+}
+
+void ShapeLayoutingVisitor::visit(ConstraintAtom& rAtom)
+{
+ if (meLookFor == CONSTRAINT)
+ rAtom.parseConstraint(maConstraints, /*bRequireForName=*/true);
+}
+
+void ShapeLayoutingVisitor::visit(RuleAtom& rAtom)
+{
+ if (meLookFor == RULE)
+ rAtom.parseRule(maRules);
+}
+
+void ShapeLayoutingVisitor::visit(AlgAtom& rAtom)
+{
+ if (meLookFor == ALGORITHM)
+ {
+ const PresPointShapeMap aMap
+ = rAtom.getLayoutNode().getDiagram().getLayout()->getPresPointShapeMap();
+ auto pShape = aMap.find(mpCurrentNode);
+ if (pShape != aMap.end())
+ rAtom.layoutShape(pShape->second, maConstraints, maRules);
+ }
+}
+
+void ShapeLayoutingVisitor::visit(LayoutNode& rAtom)
+{
+ if (meLookFor != LAYOUT_NODE)
+ return;
+
+ // stop processing if it's not a child of previous LayoutNode
+
+ const DiagramData::PointsNameMap::const_iterator aDataNode
+ = mrDgm.getData()->getPointsPresNameMap().find(rAtom.getName());
+ if (aDataNode == mrDgm.getData()->getPointsPresNameMap().end()
+ || mnCurrIdx >= static_cast<sal_Int32>(aDataNode->second.size()))
+ return;
+
+ const svx::diagram::Point* pNewNode = aDataNode->second.at(mnCurrIdx);
+ if (!mpCurrentNode || !pNewNode)
+ return;
+
+ bool bIsChild = false;
+ for (const auto& aConnection : mrDgm.getData()->getConnections())
+ if (aConnection.msSourceId == mpCurrentNode->msModelId
+ && aConnection.msDestId == pNewNode->msModelId)
+ bIsChild = true;
+
+ if (!bIsChild)
+ return;
+
+ size_t nParentConstraintsNumber = maConstraints.size();
+
+ const svx::diagram::Point* pPreviousNode = mpCurrentNode;
+ mpCurrentNode = pNewNode;
+
+ // process alg atoms first, nested layout nodes afterwards
+ meLookFor = CONSTRAINT;
+ defaultVisit(rAtom);
+ meLookFor = RULE;
+ defaultVisit(rAtom);
+ meLookFor = ALGORITHM;
+ defaultVisit(rAtom);
+ meLookFor = LAYOUT_NODE;
+ defaultVisit(rAtom);
+
+ mpCurrentNode = pPreviousNode;
+
+ // delete added constraints, keep parent constraints
+ maConstraints.erase(maConstraints.begin() + nParentConstraintsNumber, maConstraints.end());
+}
+
+void ShapeLayoutingVisitor::visit(ShapeAtom& /*rAtom*/)
+{
+ // stop processing
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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