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Diffstat (limited to 'oox/source/drawingml/diagram/diagramlayoutatoms.hxx')
| -rw-r--r-- | oox/source/drawingml/diagram/diagramlayoutatoms.hxx | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/oox/source/drawingml/diagram/diagramlayoutatoms.hxx b/oox/source/drawingml/diagram/diagramlayoutatoms.hxx new file mode 100644 index 0000000000..5458999029 --- /dev/null +++ b/oox/source/drawingml/diagram/diagramlayoutatoms.hxx @@ -0,0 +1,373 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_OOX_SOURCE_DRAWINGML_DIAGRAM_DIAGRAMLAYOUTATOMS_HXX +#define INCLUDED_OOX_SOURCE_DRAWINGML_DIAGRAM_DIAGRAMLAYOUTATOMS_HXX + +#include <map> +#include <memory> + +#include <com/sun/star/xml/sax/XFastAttributeList.hpp> +#include <utility> + +#include "diagram.hxx" + +namespace oox::drawingml { + +class DiagramLayout; +typedef std::shared_ptr< DiagramLayout > DiagramLayoutPtr; + +// AG_IteratorAttributes +struct IteratorAttr +{ + IteratorAttr(); + + // not sure this belong here, but wth + void loadFromXAttr( const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttributes ); + + std::vector<sal_Int32> maAxis; + sal_Int32 mnCnt; + bool mbHideLastTrans; + sal_Int32 mnPtType; + sal_Int32 mnSt; + sal_Int32 mnStep; +}; + +struct ConditionAttr +{ + ConditionAttr(); + + // not sure this belong here, but wth + void loadFromXAttr( const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttributes ); + + OUString msVal; + sal_Int32 mnFunc; + sal_Int32 mnArg; + sal_Int32 mnOp; + sal_Int32 mnVal; +}; + +/// Constraints allow you to specify an ideal (or starting point) size for each shape. +struct Constraint +{ + OUString msForName; + OUString msRefForName; + double mfFactor; + double mfValue; + sal_Int32 mnFor; + sal_Int32 mnPointType; + sal_Int32 mnType; + sal_Int32 mnRefFor; + sal_Int32 mnRefType; + sal_Int32 mnRefPointType; + sal_Int32 mnOperator; +}; + +/// Rules allow you to specify what to do when constraints can't be fully satisfied. +struct Rule +{ + OUString msForName; +}; + +typedef std::map<sal_Int32, sal_Int32> LayoutProperty; +typedef std::map<OUString, LayoutProperty> LayoutPropertyMap; + +struct LayoutAtomVisitor; +class LayoutAtom; +class LayoutNode; + +typedef std::shared_ptr< LayoutAtom > LayoutAtomPtr; + +/** abstract Atom for the layout */ +class LayoutAtom +{ +public: + LayoutAtom(LayoutNode& rLayoutNode) : mrLayoutNode(rLayoutNode) {} + virtual ~LayoutAtom() { } + + LayoutNode& getLayoutNode() + { return mrLayoutNode; } + + /** visitor acceptance + */ + virtual void accept( LayoutAtomVisitor& ) = 0; + + void setName( const OUString& sName ) + { msName = sName; } + const OUString& getName() const + { return msName; } + +private: + void addChild( const LayoutAtomPtr & pNode ) + { mpChildNodes.push_back( pNode ); } + void setParent(const LayoutAtomPtr& pParent) { mpParent = pParent; } + +public: + const std::vector<LayoutAtomPtr>& getChildren() const + { return mpChildNodes; } + + LayoutAtomPtr getParent() const { return mpParent.lock(); } + + static void connect(const LayoutAtomPtr& pParent, const LayoutAtomPtr& pChild) + { + pParent->addChild(pChild); + pChild->setParent(pParent); + } + + // dump for debug + void dump(int level = 0); + +protected: + LayoutNode& mrLayoutNode; + std::vector< LayoutAtomPtr > mpChildNodes; + std::weak_ptr<LayoutAtom> mpParent; + OUString msName; +}; + +class ConstraintAtom + : public LayoutAtom +{ +public: + ConstraintAtom(LayoutNode& rLayoutNode) : LayoutAtom(rLayoutNode) {} + virtual void accept( LayoutAtomVisitor& ) override; + Constraint& getConstraint() + { return maConstraint; } + void parseConstraint(std::vector<Constraint>& rConstraints, bool bRequireForName) const; +private: + Constraint maConstraint; +}; + +/// Represents one <dgm:rule> element. +class RuleAtom + : public LayoutAtom +{ +public: + RuleAtom(LayoutNode& rLayoutNode) : LayoutAtom(rLayoutNode) {} + virtual void accept( LayoutAtomVisitor& ) override; + Rule& getRule() + { return maRule; } + void parseRule(std::vector<Rule>& rRules) const; +private: + Rule maRule; +}; + +class AlgAtom + : public LayoutAtom +{ +public: + AlgAtom(LayoutNode& rLayoutNode) : LayoutAtom(rLayoutNode), mnType(0), maMap() {} + + typedef std::map<sal_Int32,sal_Int32> ParamMap; + + virtual void accept( LayoutAtomVisitor& ) override; + + void setType( sal_Int32 nToken ) + { mnType = nToken; } + const ParamMap& getMap() const { return maMap; } + void addParam( sal_Int32 nType, sal_Int32 nVal ) + { maMap[nType]=nVal; } + sal_Int32 getVerticalShapesCount(const ShapePtr& rShape); + void layoutShape( const ShapePtr& rShape, + const std::vector<Constraint>& rConstraints, + const std::vector<Rule>& rRules ); + + void setAspectRatio(double fAspectRatio) { mfAspectRatio = fAspectRatio; } + + double getAspectRatio() const { return mfAspectRatio; } + +private: + sal_Int32 mnType; + ParamMap maMap; + /// Aspect ratio is not integer, so not part of maMap. + double mfAspectRatio = 0; + + /// Determines the connector shape type for conn algorithm + sal_Int32 getConnectorType(); +}; + +typedef std::shared_ptr< AlgAtom > AlgAtomPtr; + +/// Finds optimal grid to layout children that have fixed aspect ratio. +class SnakeAlg +{ +public: + static void layoutShapeChildren(const AlgAtom& rAlg, const ShapePtr& rShape, + const std::vector<Constraint>& rConstraints); +}; + +/** + * Lays out child layout nodes along a vertical path and works with the trapezoid shape to create a + * pyramid. + */ +class PyraAlg +{ +public: + static void layoutShapeChildren(const ShapePtr& rShape); +}; + +/** + * Specifies the size and position for all child layout nodes. + */ +class CompositeAlg +{ +public: + static void layoutShapeChildren(AlgAtom& rAlg, const ShapePtr& rShape, + const std::vector<Constraint>& rConstraints); + +private: + /** + * Apply rConstraint to the rProperties shared layout state. + * + * Note that the order in which constraints are applied matters, given that constraints can refer to + * each other, and in case A depends on B and A is applied before B, the effect of A won't be + * updated when B is applied. + */ + static void applyConstraintToLayout(const Constraint& rConstraint, + LayoutPropertyMap& rProperties); + + /** + * Decides if a certain reference type (e.g. "right") can be inferred from the available properties + * in rMap (e.g. left and width). Returns true if rValue is written to. + */ + static bool inferFromLayoutProperty(const LayoutProperty& rMap, sal_Int32 nRefType, + sal_Int32& rValue); +}; + +class ForEachAtom + : public LayoutAtom +{ +public: + explicit ForEachAtom(LayoutNode& rLayoutNode, const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttributes); + + IteratorAttr & iterator() + { return maIter; } + void setRef(const OUString& rsRef) + { msRef = rsRef; } + const OUString& getRef() const + { return msRef; } + virtual void accept( LayoutAtomVisitor& ) override; + LayoutAtomPtr getRefAtom(); + +private: + IteratorAttr maIter; + OUString msRef; +}; + +typedef std::shared_ptr< ForEachAtom > ForEachAtomPtr; + +class ConditionAtom + : public LayoutAtom +{ +public: + explicit ConditionAtom(LayoutNode& rLayoutNode, bool isElse, const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttributes); + virtual void accept( LayoutAtomVisitor& ) override; + bool getDecision(const svx::diagram::Point* pPresPoint) const; + +private: + static bool compareResult(sal_Int32 nOperator, sal_Int32 nFirst, sal_Int32 nSecond); + sal_Int32 getNodeCount(const svx::diagram::Point* pPresPoint) const; + + bool mIsElse; + IteratorAttr maIter; + ConditionAttr maCond; +}; + +typedef std::shared_ptr< ConditionAtom > ConditionAtomPtr; + +/** "choose" statements. Atoms will be tested in order. */ +class ChooseAtom + : public LayoutAtom +{ +public: + ChooseAtom(LayoutNode& rLayoutNode) + : LayoutAtom(rLayoutNode) + {} + virtual void accept( LayoutAtomVisitor& ) override; +}; + +class LayoutNode + : public LayoutAtom +{ +public: + typedef std::map<sal_Int32, OUString> VarMap; + + LayoutNode(Diagram& rDgm) + : LayoutAtom(*this) + , mrDgm(rDgm) + , mnChildOrder(0) + { + } + Diagram& getDiagram() { return mrDgm; } + virtual void accept( LayoutAtomVisitor& ) override; + VarMap & variables() + { return mVariables; } + void setMoveWith( const OUString & sName ) + { msMoveWith = sName; } + void setStyleLabel( const OUString & sLabel ) + { msStyleLabel = sLabel; } + void setChildOrder( sal_Int32 nOrder ) + { mnChildOrder = nOrder; } + sal_Int32 getChildOrder() const { return mnChildOrder; } + void setExistingShape( const ShapePtr& pShape ) + { mpExistingShape = pShape; } + const ShapePtr& getExistingShape() const + { return mpExistingShape; } + const std::vector<ShapePtr> & getNodeShapes() const + { return mpNodeShapes; } + void addNodeShape(const ShapePtr& pShape) + { mpNodeShapes.push_back(pShape); } + + bool setupShape( const ShapePtr& rShape, + const svx::diagram::Point* pPresNode, + sal_Int32 nCurrIdx ) const; + + const LayoutNode* getParentLayoutNode() const; + +private: + Diagram& mrDgm; + VarMap mVariables; + OUString msMoveWith; + OUString msStyleLabel; + ShapePtr mpExistingShape; + std::vector<ShapePtr> mpNodeShapes; + sal_Int32 mnChildOrder; +}; + +typedef std::shared_ptr< LayoutNode > LayoutNodePtr; + +class ShapeAtom + : public LayoutAtom +{ +public: + ShapeAtom(LayoutNode& rLayoutNode, ShapePtr pShape) : LayoutAtom(rLayoutNode), mpShapeTemplate(std::move(pShape)) {} + virtual void accept( LayoutAtomVisitor& ) override; + const ShapePtr& getShapeTemplate() const + { return mpShapeTemplate; } + +private: + ShapePtr mpShapeTemplate; +}; + +typedef std::shared_ptr< ShapeAtom > ShapeAtomPtr; + +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |