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Diffstat (limited to 'oox/source/drawingml/diagram/diagram.cxx')
| -rw-r--r-- | oox/source/drawingml/diagram/diagram.cxx | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/oox/source/drawingml/diagram/diagram.cxx b/oox/source/drawingml/diagram/diagram.cxx new file mode 100644 index 000000000..efba958fa --- /dev/null +++ b/oox/source/drawingml/diagram/diagram.cxx @@ -0,0 +1,444 @@ +/* -*- 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: */ |