ServiceInterface.h

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#ifndef SERVICEINTERFACE_H
#define SERVICEINTERFACE_H

#include <Core/core_gt.h>
#include <Geom/Dir.h>
#include <Geom/Pnt.h>
#include <Geom/Rect.h>
#include <Geom/Trsf.h>

#include <set>


namespace Core
{
struct CommonGeometryDefinition
{
    enum CGS_Type
    {
        LINE_SEGMENT,
        ENDLESS_LINE,
        CIRCLE_SEGMENT

    } type;

    Geom::Pnt p1;
    Geom::Pnt p2;
    Geom::Pnt p3;

    double parameter1;
    double paremeter2;
    double parameter3;


    CommonGeometryDefinition()
    {
        type = LINE_SEGMENT;

        parameter1 = 0.0;
        paremeter2 = 0.0;
        parameter3 = 0.0;
    }
};



class CSnapperContext
{
public:
    CSnapperContext() { valid = false; }

    bool valid;
    Geom::Pnt refPoint;
};


class LX_CORE_EXPORT ServiceInterface
{
public:
    // selector interface
    virtual void selectByHit(const Geom::Rect& area) = 0;
    virtual void selectByRect(const Geom::Rect& area) = 0;

    virtual void selectByHitPlus(const Geom::Rect& area) = 0;
    virtual void selectByRectPlus(const Geom::Rect& area) = 0;

    virtual void unselectAll(void) = 0;
    virtual std::set<Core::DocObject*> getSelectedElements(void) = 0;

    virtual bool activePoint_Exists(void) = 0;
    virtual Core::DocObject* activePoint_Element(void) = 0;
    virtual Geom::Pnt activePoint_Position(void) = 0;

    virtual bool activeSegment_Exists(void) = 0;
    virtual Core::DocObject* activeSegment_Element(void) = 0;



    // snapping interface
    virtual void enableSnapper(int options, CSnapperContext context = CSnapperContext()) = 0;
    virtual void disableSnapper(void) = 0;
    virtual bool isSnap(void) = 0;
    virtual void hideSnapMark(void) = 0;

    virtual Geom::Pnt getSnapPoint(void) = 0;



    // picking interface
    virtual void enablePicker(int options) = 0;
    virtual void disablePicker(void) = 0;
    virtual bool isPick(void) = 0;
    virtual void unpick(void) = 0;
    virtual void hidePickedSegmentMark(void) = 0;

    virtual CommonGeometryDefinition getPickedSegment(void) = 0;
    virtual Core::DocObject* getPickedElement(void) = 0;



    // general
    virtual void showEndlessHelper(const Geom::Pnt& p, const Geom::Dir& d) = 0;
    virtual void hideEndlessHelper(void) = 0;

    virtual void addGeneralMark(const Geom::Pnt& p) = 0;
    virtual void removeGeneralMarks(void) = 0;

    virtual void getElementsIntersectingArea(std::vector<Core::DocObject*>& elements, const Geom::Rect& area) = 0;
};

}  // namespace Core



#endif