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 *   Licensed to the Apache Software Foundation (ASF) under one or more

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#pragma once

#include <vector>

#include <svx/svxdllapi.h>

#include <rtl/ustring.hxx>

#include <svx/svdhdl.hxx>

#include <svx/diagram/DomMapFlag.hxx>

// Forward declarations

class SdrObjGroup;

namespace svx { namespace diagram {

// Helper class to visualize an imminently recognizable

// additional visualization for DynamicDiagrams that can also

// be used to show/hide the DiagramDialog by the user

// Note: is also used as additional drag/move handle

class SVXCORE_DLLPUBLIC DiagramFrameHdl final : public SdrHdl

{

    // object dimensions

    basegfx::B2DHomMatrix maTransformation;

    // create marker for this kind

    virtual void CreateB2dIAObject() override;

public:

    DiagramFrameHdl(const basegfx::B2DHomMatrix& rTransformation);

    static void clicked(const Point& rPnt);

};

class DiagramDataState;

// Helper class to allow administer advanced Diagram related

// data and functionality

class SVXCORE_DLLPUBLIC DiagramHelper_svx

{

private:

    OUString msSelectedModelID;

    // These values define behaviour to where take data from at re-creation time.

    // Different definitions will have different consequences for re-creation

    // of Diagram visualization (if needed/triggered).

    // The style attributes per shape e.g. can be re-stored frm either an

    // existing Theme, or the preserved key/value list of properties per XShape.

    // With the current default settings the re-creation uses the preserved

    // key/value pairs, but re-creation from Theme may also be desirable. It

    // is also good to preserve both data packages at initial import to allow

    // alternatively one of these two methods for re-construction

    // If true, the oox::Theme data from ::DiagramData get/set/ThemeDocument()

    // aka mxThemeDocument - if it exists - will be used to create the style

    // attributes for the to-be-created XShapes (theoretically allows re-creation

    // with other Theme)

    bool mbUseDiagramThemeData; // false

    // If true, the UNO API form of attributes per Point as Key/value list

    // that was secured after initial XShape creation is used to create the

    // style attributes for the to-be-created XShapes

    bool mbUseDiagramModelData; // true

    // If true and mxThemeDocument exists it will be re-imported to

    // a newly created oox::drawingml::Theme object

    bool mbForceThemePtrRecreation; // false

    // flag to remember if locking of scale/translate was

    // already done

    bool mbDiagramObjectsLocked : 1;

protected:

    // helpers

    void applyLocksToDiagramObjects(bool bActivate);

    // access associated SdrObjGroup/XShape/RootShape

    virtual css::uno::Reference< css::drawing::XShape >& accessRootShape() = 0;

    // Make constructor protected to signal that this anyway pure virtual class

    // shall not be incarnated - target to use is oox::drawingml::DiagramHelper_oox

    DiagramHelper_svx();

    explicit DiagramHelper_svx(DiagramHelper_svx const& rSource);

public:

    virtual ~DiagramHelper_svx();

    // re-create XShapes

    virtual void reLayout() = 0;

    // get children of provided data node

    // use empty string for top-level nodes

    // returns vector of (id, text)

    virtual std::vector<std::pair<OUString, OUString>>

    getDiagramChildren(const OUString& rParentId) const = 0;

    // add/remove new top-level node to data model, returns its id

    virtual OUString addDiagramNode(const OUString& rText, SdrModel& rDrawModel) = 0;

    virtual bool removeDiagramNode(const OUString& rNodeId, SdrModel& rDrawModel) = 0;

    virtual void TextInformationChange() = 0;

    virtual void ItemSetInformationChange(std::span< const SfxPoolItem* const > aChangedItems) = 0;

    // Undo/Redo helpers for extracting/restoring Diagram-defining data

    virtual std::shared_ptr<svx::diagram::DiagramDataState> extractDiagramDataState() const = 0;

    virtual void applyDiagramDataState(const std::shared_ptr<svx::diagram::DiagramDataState>& rState) = 0;

    bool UseDiagramThemeData() const { return mbUseDiagramThemeData; }

    bool ForceThemePtrRecreation() const { return mbForceThemePtrRecreation; };

    // connect/disconnect to/from Group

    void connectToSdrObjGroup(

        const css::uno::Reference< css::drawing::XShape >& rTarget,

        std::shared_ptr< svx::diagram::DiagramHelper_svx >* mpDiagramHelperFromUndo);

    void disconnectFromSdrObjGroup(bool bEnableUndo);

    void AddAdditionalVisualization(SdrHdlList& rHdlList);

    // access to PropertyValues

    virtual css::uno::Any getOOXDomValue(svx::diagram::DomMapFlag aDomMapFlag) const = 0;

    // check if mandatory DiagramDomS exist and/or were not touched

    virtual bool checkMinimalDataDoms() const = 0;

    // access to RootShape - the GroupObject used to host this Diagram

    css::uno::Reference< css::drawing::XShape >& getRootShape() { return accessRootShape(); }

    // needed to create DiagramHelper_oox in svx' SdrObjGroup copy constructor

    virtual DiagramHelper_svx* clone() const = 0;

    // write data to boost::property_tree

    virtual void addDiagramModelData(boost::property_tree::ptree& rTarget) const = 0;

    virtual OUString getDiagramModelData(svx::diagram::DomMapFlag aId) const = 0;

    virtual const OUString& getBackgroundShapeModelID() const = 0;

    virtual bool isTextNodeModelID(const OUString& rModelID) const = 0;

    const OUString& getSelectedModelID() const;

    void setSelectedModelID(const OUString& rNew) { msSelectedModelID = rNew; }

    SdrObject* getDiagramSubSelection();

    void markDirectDiagramSubSelection(SdrObject& rCandidate);

    bool markNextDiagramSubSelection(bool bPrev);

    void initSelectionByKeyboard(bool bPrev);

    // simple access to AssociatedRootShape

    SdrObjGroup* getAssociatedRootShape();

};

class SVXCORE_DLLPUBLIC DiagramHelperFactory_svx

{

protected:

    // do prohibit direct instantiation, only DiagramHelper_oox is intended

    DiagramHelperFactory_svx();

    // keep global var of this module hidden

    static DiagramHelperFactory_svx* pSingleGlobalDiagramHelperFactory_svx;

public:

    // try to access global static single instance of DiagramHelperFactory

    static DiagramHelperFactory_svx& getDiagramHelperFactory_svx();

    // virtual call to instantiate a new DiagramHelper, overloaded in oox to

    // allow instantiation of a DiagramHelper_oox

    virtual std::shared_ptr<svx::diagram::DiagramHelper_svx> createDiagramHelper_svx(boost::property_tree::ptree& rTarget) const = 0;

    virtual std::shared_ptr<svx::diagram::DiagramHelper_svx> createDiagramHelper_svx(std::u16string_view rLayout, std::u16string_view rData, std::u16string_view rColors, std::u16string_view rQuickstyle) const = 0;

};

}} // end of namespace

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