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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 <oox/drawingml/diagram/diagram.hxx>
+#include "diagram.hxx"
+#include <com/sun/star/awt/Point.hpp>
+#include <com/sun/star/awt/Size.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/drawing/XShape.hpp>
+#include <com/sun/star/drawing/XShapes.hpp>
+#include <com/sun/star/xml/dom/XDocument.hpp>
+#include <com/sun/star/xml/sax/XFastSAXSerializable.hpp>
+#include <sal/log.hxx>
+#include <editeng/unoprnms.hxx>
+#include <drawingml/fillproperties.hxx>
+#include <drawingml/customshapeproperties.hxx>
+#include <o3tl/unit_conversion.hxx>
+#include <oox/token/namespaces.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <svx/svdpage.hxx>
+#include <oox/ppt/pptimport.hxx>
+#include <comphelper/xmltools.hxx>
+
+#include "diagramlayoutatoms.hxx"
+#include "layoutatomvisitors.hxx"
+#include "diagramfragmenthandler.hxx"
+
+using namespace ::com::sun::star;
+
+namespace oox::drawingml {
+
+static void sortChildrenByZOrder(const ShapePtr& pShape)
+{
+ std::vector<ShapePtr>& rChildren = pShape->getChildren();
+
+ // Offset the children from their default z-order stacking, if necessary.
+ for (size_t i = 0; i < rChildren.size(); ++i)
+ rChildren[i]->setZOrder(i);
+
+ for (size_t i = 0; i < rChildren.size(); ++i)
+ {
+ const ShapePtr& pChild = rChildren[i];
+ sal_Int32 nZOrderOff = pChild->getZOrderOff();
+ if (nZOrderOff <= 0)
+ continue;
+
+ // Increase my ZOrder by nZOrderOff.
+ pChild->setZOrder(pChild->getZOrder() + nZOrderOff);
+ pChild->setZOrderOff(0);
+
+ for (sal_Int32 j = 0; j < nZOrderOff; ++j)
+ {
+ size_t nIndex = i + j + 1;
+ if (nIndex >= rChildren.size())
+ break;
+
+ // Decrease the ZOrder of the next nZOrderOff elements by one.
+ const ShapePtr& pNext = rChildren[nIndex];
+ pNext->setZOrder(pNext->getZOrder() - 1);
+ }
+ }
+
+ // Now that the ZOrders are adjusted, sort the children.
+ std::sort(rChildren.begin(), rChildren.end(),
+ [](const ShapePtr& a, const ShapePtr& b) { return a->getZOrder() < b->getZOrder(); });
+
+ // Apply also for children.
+ for (const auto& rChild : rChildren)
+ sortChildrenByZOrder(rChild);
+}
+
+/// Removes empty group shapes, now that their spacing influenced the layout.
+static void removeUnneededGroupShapes(const ShapePtr& pShape)
+{
+ std::vector<ShapePtr>& rChildren = pShape->getChildren();
+
+ rChildren.erase(std::remove_if(rChildren.begin(), rChildren.end(),
+ [](const ShapePtr& aChild) {
+ return aChild->getServiceName()
+ == "com.sun.star.drawing.GroupShape"
+ && aChild->getChildren().empty();
+ }),
+ rChildren.end());
+
+ for (const auto& pChild : rChildren)
+ {
+ removeUnneededGroupShapes(pChild);
+ }
+}
+
+
+void Diagram::addTo( const ShapePtr & pParentShape )
+{
+ if (pParentShape->getSize().Width == 0 || pParentShape->getSize().Height == 0)
+ SAL_WARN("oox.drawingml", "Diagram cannot be correctly laid out. Size: "
+ << pParentShape->getSize().Width << "x" << pParentShape->getSize().Height);
+
+ pParentShape->setChildSize(pParentShape->getSize());
+
+ const svx::diagram::Point* pRootPoint = mpData->getRootPoint();
+ if (mpLayout->getNode() && pRootPoint)
+ {
+ // create Shape hierarchy
+ ShapeCreationVisitor aCreationVisitor(*this, pRootPoint, pParentShape);
+ mpLayout->getNode()->setExistingShape(pParentShape);
+ mpLayout->getNode()->accept(aCreationVisitor);
+
+ // layout shapes - now all shapes are created
+ ShapeLayoutingVisitor aLayoutingVisitor(*this, pRootPoint);
+ mpLayout->getNode()->accept(aLayoutingVisitor);
+
+ sortChildrenByZOrder(pParentShape);
+ removeUnneededGroupShapes(pParentShape);
+ }
+
+ ShapePtr pBackground = std::make_shared<Shape>("com.sun.star.drawing.CustomShape");
+ pBackground->setSubType(XML_rect);
+ pBackground->getCustomShapeProperties()->setShapePresetType(XML_rect);
+ pBackground->setSize(pParentShape->getSize());
+ pBackground->getFillProperties() = *mpData->getBackgroundShapeFillProperties();
+ pBackground->setLocked(true);
+
+ // create and set ModelID for BackgroundShape to allow later association
+ getData()->setBackgroundShapeModelID(OStringToOUString(comphelper::xml::generateGUIDString(), RTL_TEXTENCODING_UTF8));
+ pBackground->setDiagramDataModelID(getData()->getBackgroundShapeModelID());
+
+ auto& aChildren = pParentShape->getChildren();
+ aChildren.insert(aChildren.begin(), pBackground);
+}
+
+Diagram::Diagram()
+: maDiagramFontHeights()
+{
+}
+
+uno::Sequence<beans::PropertyValue> Diagram::getDomsAsPropertyValues() const
+{
+ sal_Int32 length = maMainDomMap.size();
+
+ if (maDataRelsMap.hasElements())
+ ++length;
+
+ uno::Sequence<beans::PropertyValue> aValue(length);
+ beans::PropertyValue* pValue = aValue.getArray();
+ for (auto const& mainDom : maMainDomMap)
+ {
+ pValue->Name = mainDom.first;
+ pValue->Value <<= mainDom.second;
+ ++pValue;
+ }
+
+ if (maDataRelsMap.hasElements())
+ {
+ pValue->Name = "OOXDiagramDataRels";
+ pValue->Value <<= maDataRelsMap;
+ ++pValue;
+ }
+
+ return aValue;
+}
+
+using ShapePairs
+ = std::map<std::shared_ptr<drawingml::Shape>, css::uno::Reference<css::drawing::XShape>>;
+
+void Diagram::syncDiagramFontHeights()
+{
+ // Each name represents a group of shapes, for which the font height should have the same
+ // scaling.
+ for (const auto& rNameAndPairs : maDiagramFontHeights)
+ {
+ // Find out the minimum scale within this group.
+ const ShapePairs& rShapePairs = rNameAndPairs.second;
+ sal_Int16 nMinScale = 100;
+ for (const auto& rShapePair : rShapePairs)
+ {
+ uno::Reference<beans::XPropertySet> xPropertySet(rShapePair.second, uno::UNO_QUERY);
+ if (xPropertySet.is())
+ {
+ sal_Int16 nTextFitToSizeScale = 0;
+ xPropertySet->getPropertyValue("TextFitToSizeScale") >>= nTextFitToSizeScale;
+ if (nTextFitToSizeScale > 0 && nTextFitToSizeScale < nMinScale)
+ {
+ nMinScale = nTextFitToSizeScale;
+ }
+ }
+ }
+
+ // Set that minimum scale for all members of the group.
+ if (nMinScale < 100)
+ {
+ for (const auto& rShapePair : rShapePairs)
+ {
+ uno::Reference<beans::XPropertySet> xPropertySet(rShapePair.second, uno::UNO_QUERY);
+ if (xPropertySet.is())
+ {
+ xPropertySet->setPropertyValue("TextFitToSizeScale", uno::Any(nMinScale));
+ }
+ }
+ }
+ }
+
+ // no longer needed after processing
+ maDiagramFontHeights.clear();
+}
+
+static uno::Reference<xml::dom::XDocument> loadFragment(
+ core::XmlFilterBase& rFilter,
+ const OUString& rFragmentPath )
+{
+ // load diagramming fragments into DOM representation, that later
+ // gets serialized back to SAX events and parsed
+ return rFilter.importFragment( rFragmentPath );
+}
+
+static uno::Reference<xml::dom::XDocument> loadFragment(
+ core::XmlFilterBase& rFilter,
+ const rtl::Reference< core::FragmentHandler >& rxHandler )
+{
+ return loadFragment( rFilter, rxHandler->getFragmentPath() );
+}
+
+static void importFragment( core::XmlFilterBase& rFilter,
+ const uno::Reference<xml::dom::XDocument>& rXDom,
+ const OUString& rDocName,
+ const DiagramPtr& pDiagram,
+ const rtl::Reference< core::FragmentHandler >& rxHandler )
+{
+ DiagramDomMap& rMainDomMap = pDiagram->getDomMap();
+ rMainDomMap[rDocName] = rXDom;
+
+ uno::Reference<xml::sax::XFastSAXSerializable> xSerializer(
+ rXDom, uno::UNO_QUERY_THROW);
+
+ // now serialize DOM tree into internal data structures
+ rFilter.importFragment( rxHandler, xSerializer );
+}
+
+namespace
+{
+/**
+ * A fragment handler that just counts the number of <dsp:sp> elements in a
+ * fragment.
+ */
+class DiagramShapeCounter : public oox::core::FragmentHandler2
+{
+public:
+ DiagramShapeCounter(oox::core::XmlFilterBase& rFilter, const OUString& rFragmentPath,
+ sal_Int32& nCounter);
+ oox::core::ContextHandlerRef onCreateContext(sal_Int32 nElement,
+ const AttributeList& rAttribs) override;
+
+private:
+ sal_Int32& m_nCounter;
+};
+
+DiagramShapeCounter::DiagramShapeCounter(oox::core::XmlFilterBase& rFilter,
+ const OUString& rFragmentPath, sal_Int32& nCounter)
+ : FragmentHandler2(rFilter, rFragmentPath)
+ , m_nCounter(nCounter)
+{
+}
+
+oox::core::ContextHandlerRef DiagramShapeCounter::onCreateContext(sal_Int32 nElement,
+ const AttributeList& /*rAttribs*/)
+{
+ switch (nElement)
+ {
+ case DSP_TOKEN(drawing):
+ case DSP_TOKEN(spTree):
+ return this;
+ case DSP_TOKEN(sp):
+ ++m_nCounter;
+ break;
+ default:
+ break;
+ }
+
+ return nullptr;
+}
+}
+
+void loadDiagram( ShapePtr const & pShape,
+ core::XmlFilterBase& rFilter,
+ const OUString& rDataModelPath,
+ const OUString& rLayoutPath,
+ const OUString& rQStylePath,
+ const OUString& rColorStylePath,
+ const oox::core::Relations& rRelations )
+{
+ DiagramPtr pDiagram = std::make_shared<Diagram>();
+
+ OoxDiagramDataPtr pData = std::make_shared<DiagramData>();
+ pDiagram->setData( pData );
+
+ DiagramLayoutPtr pLayout = std::make_shared<DiagramLayout>(*pDiagram);
+ pDiagram->setLayout( pLayout );
+
+ // set DiagramFontHeights at filter
+ rFilter.setDiagramFontHeights(&pDiagram->getDiagramFontHeights());
+
+ // data
+ if( !rDataModelPath.isEmpty() )
+ {
+ rtl::Reference< core::FragmentHandler > xRefDataModel(
+ new DiagramDataFragmentHandler( rFilter, rDataModelPath, pData ));
+
+ importFragment(rFilter,
+ loadFragment(rFilter,xRefDataModel),
+ "OOXData",
+ pDiagram,
+ xRefDataModel);
+
+ pDiagram->getDataRelsMap() = pShape->resolveRelationshipsOfTypeFromOfficeDoc( rFilter,
+ xRefDataModel->getFragmentPath(), u"image" );
+
+ // Pass the info to pShape
+ for (auto const& extDrawing : pData->getExtDrawings())
+ {
+ OUString aFragmentPath = rRelations.getFragmentPathFromRelId(extDrawing);
+ // Ignore RelIds which don't resolve to a fragment path.
+ if (aFragmentPath.isEmpty())
+ continue;
+
+ sal_Int32 nCounter = 0;
+ rtl::Reference<core::FragmentHandler> xCounter(
+ new DiagramShapeCounter(rFilter, aFragmentPath, nCounter));
+ rFilter.importFragment(xCounter);
+ // Ignore ext drawings which don't actually have any shapes.
+ if (nCounter == 0)
+ continue;
+
+ pShape->addExtDrawingRelId(extDrawing);
+ }
+ }
+
+ // extLst is present, lets bet on that and ignore the rest of the data from here
+ if( pShape->getExtDrawings().empty() )
+ {
+ // layout
+ if( !rLayoutPath.isEmpty() )
+ {
+ rtl::Reference< core::FragmentHandler > xRefLayout(
+ new DiagramLayoutFragmentHandler( rFilter, rLayoutPath, pLayout ));
+
+ importFragment(rFilter,
+ loadFragment(rFilter,xRefLayout),
+ "OOXLayout",
+ pDiagram,
+ xRefLayout);
+ }
+
+ // style
+ if( !rQStylePath.isEmpty() )
+ {
+ rtl::Reference< core::FragmentHandler > xRefQStyle(
+ new DiagramQStylesFragmentHandler( rFilter, rQStylePath, pDiagram->getStyles() ));
+
+ importFragment(rFilter,
+ loadFragment(rFilter,xRefQStyle),
+ "OOXStyle",
+ pDiagram,
+ xRefQStyle);
+ }
+ }
+ else
+ {
+ // We still want to add the XDocuments to the DiagramDomMap
+ DiagramDomMap& rMainDomMap = pDiagram->getDomMap();
+ rMainDomMap[OUString("OOXLayout")] = loadFragment(rFilter,rLayoutPath);
+ rMainDomMap[OUString("OOXStyle")] = loadFragment(rFilter,rQStylePath);
+ }
+
+ // colors
+ if( !rColorStylePath.isEmpty() )
+ {
+ rtl::Reference< core::FragmentHandler > xRefColorStyle(
+ new ColorFragmentHandler( rFilter, rColorStylePath, pDiagram->getColors() ));
+
+ importFragment(rFilter,
+ loadFragment(rFilter,xRefColorStyle),
+ "OOXColor",
+ pDiagram,
+ xRefColorStyle);
+ }
+
+ if( !pData->getExtDrawings().empty() )
+ {
+ const DiagramColorMap::const_iterator aColor = pDiagram->getColors().find("node0");
+ if( aColor != pDiagram->getColors().end() && !aColor->second.maTextFillColors.empty())
+ {
+ // TODO(F1): well, actually, there might be *several* color
+ // definitions in it, after all it's called list.
+ pShape->setFontRefColorForNodes(DiagramColor::getColorByIndex(aColor->second.maTextFillColors, -1));
+ }
+ }
+
+ // collect data, init maps
+ // for Diagram import, do - for now - NOT clear all oox::drawingml::Shape
+ pData->buildDiagramDataModel(false);
+
+ // diagram loaded. now lump together & attach to shape
+ pDiagram->addTo(pShape);
+ pShape->setDiagramDoms(pDiagram->getDomsAsPropertyValues());
+
+ // Get the oox::Theme definition and - if available - move/secure the
+ // original ImportData directly to the Diagram ModelData
+ std::shared_ptr<::oox::drawingml::Theme> aTheme(rFilter.getCurrentThemePtr());
+ if(aTheme)
+ pData->setThemeDocument(aTheme->getFragment()); //getTempFile());
+
+ // Prepare support for the advanced DiagramHelper using Diagram & Theme data
+ pShape->prepareDiagramHelper(pDiagram, rFilter.getCurrentThemePtr());
+}
+
+const oox::drawingml::Color&
+DiagramColor::getColorByIndex(const std::vector<oox::drawingml::Color>& rColors, sal_Int32 nIndex)
+{
+ assert(!rColors.empty());
+ if (nIndex == -1)
+ {
+ return rColors[rColors.size() - 1];
+ }
+
+ return rColors[nIndex % rColors.size()];
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */