flatauxdataeditor.h

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#pragma once
/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Kris
 Date:          Mar 2007
________________________________________________________________________

-*/

#include "generalmod.h"
#include "flatview.h"
#include "callback.h"
#include "geometry.h"
#include "keyenum.h"
#include "posidxpair2coord.h"

class MouseEventHandler;
class MouseEvent;
class MenuHandler;

namespace FlatView
{

class AuxDataEditor;

#define mCtrlLeftButton ( (OD::ButtonState) (OD::LeftButton+OD::ControlButton) )

mExpClass(General) Sower : public CallBacker
{
    friend class        AuxDataEditor;

public:
    enum                SowingMode { Lasering=-2, Erasing=-1, Idle=0,
                                     Furrowing, FirstSowing, SequentSowing };

    SowingMode          mode()                          { return mode_; }

    void                reInitSettings();

    void                reverseSowingOrder(bool yn=true);
    void                alternateSowingOrder(bool yn=true);
    void                intersow(bool yn=true);

    bool                moreToSow() const;
    void                stopSowing();

    Geom::Point2D<int>  pivotPos() const;

    bool                accept(const MouseEvent&,bool released=false);
    bool                activate(const Color&,const MouseEvent&);
    bool                activate(const OD::LineStyle&,const MouseEvent&);

    void                setSequentSowMask(bool yn=true,
                                    OD::ButtonState mask=OD::LeftButton);
    void                setIfDragInvertMask(bool yn=true,
                                    OD::ButtonState mask=OD::ShiftButton);
    void                setLaserMask(bool yn=true,
                                    OD::ButtonState mask=OD::LeftButton);
    void                setEraserMask(bool yn=true,
                                    OD::ButtonState mask=mCtrlLeftButton);
    Notifier<Sower>     sowingEnd;
    Notifier<Sower>     sowing;

protected:
                        Sower(AuxDataEditor&,MouseEventHandler&);
                        ~Sower();

    void                setView(const Rect& wv,
                                const Geom::Rectangle<int>& mouserect);

    bool                acceptMouse(const MouseEvent&,bool released);
    bool                acceptTablet(const MouseEvent&,bool released);
    bool                acceptLaser(const MouseEvent&,bool released);
    bool                acceptEraser(const MouseEvent&,bool released);

    void                reset();

    AuxDataEditor&              editor_;
    Pos::IdxPair2Coord          transformation_;
    AuxData*                    sowingline_;
    MouseEventHandler&          mouseeventhandler_;
    Geom::PixRectangle<int>     mouserectangle_;
    SowingMode                  mode_;
    ObjectSet<MouseEvent>       eventlist_;
    TypeSet<Coord>              mousecoords_;
    TypeSet<int>                bendpoints_;

    bool                        reversesowingorder_;
    bool                        alternatesowingorder_;
    bool                        intersow_;

    OD::ButtonState             sequentsowmask_;
    OD::ButtonState             ifdraginvertmask_;
    OD::ButtonState             lasermask_;
    OD::ButtonState             erasermask_;

    bool                        singleseeded_;
    int                         curknotid_;
    int                         curknotstamp_;
    int                         furrowstamp_;
};


mExpClass(General) AuxDataEditor : public CallBacker
{
    friend class        Sower;

public:
                        AuxDataEditor(Viewer&,MouseEventHandler&);
    virtual             ~AuxDataEditor();
    int                 addAuxData(FlatView::AuxData*,bool doedit);
    void                removeAuxData(int id);
    void                enableEdit(int id,bool allowadd,bool allowmove,
                                   bool allowdelete);
    void                enablePolySel(int id,bool allowsel);
    void                setAddAuxData(int id);
    int                 getAddAuxData() const;
    Notifier<AuxDataEditor>     addAuxDataChange;
    
    void                setView(const Rect& wv,
                                const Geom::Rectangle<int>& mouserect);
    const Geom::PixRectangle<int>& getMouseArea() const { return mousearea_; }
    Rect                getWorldRect(int dataid) const;
    void                limitMovement(const Rect*);
    bool                isDragging() const { return mousedown_; }

    int                         getSelPtDataID() const;
    const TypeSet<int>&         getSelPtIdx() const;
    const Point&                getSelPtPos() const;
                        
    Notifier<AuxDataEditor>     movementStarted;
    Notifier<AuxDataEditor>     movementFinished;
    CNotifier<AuxDataEditor,bool> removeSelected;
    void                        setSelectionPolygonRectangle(bool);
    bool                        getSelectionPolygonRectangle() const;
    const OD::LineStyle&                getSelectionPolygonLineStyle() const;
    void                        setSelectionPolygonLineStyle(
                                                const OD::LineStyle&);
    void                        getPointSelections(TypeSet<int>& ids,
                                                   TypeSet<int>& idxs) const;
    const Viewer&       viewer() const  { return viewer_; }
    Viewer&             viewer()        { return viewer_; }

    Sower&              sower()         { return *sower_; }

    void                        setSelActive( bool yn );
    bool                        isSelActive() const     { return isselactive_; }
    const TypeSet<int>&         getIds() const;
    const ObjectSet<AuxData>&   getAuxData() const;

    void                removePolygonSelected(int dataid);
    void                setMenuHandler(MenuHandler*);
    MenuHandler*        getMenuHandler();

    MouseEventHandler&  mouseEventHandler()         { return mousehandler_; }

    const Point*        markerPosAt(const Geom::Point2D<int>& mousepos) const;
    void                setSelectionPolygonVisible(bool);
    Notifier<AuxDataEditor>     releaseSelection;
protected:
    void                getPointSelections( const ObjectSet<AuxData>& polygon,
                            TypeSet<int>& ids, TypeSet<int>& idxs) const;
    bool                removeSelectionPolygon();
    void                mousePressCB(CallBacker*);
    void                mouseReleaseCB(CallBacker*);
    void                mouseMoveCB(CallBacker*);

    void                findSelection(const Geom::Point2D<int>&,
                                      int& seldatasetidx,
                                      TypeSet<int>* selptidxlist) const;
    bool                updateSelection(const Geom::Point2D<int>&);

    int                 dataSetIdxAt(const Geom::Point2D<int>&) const;

    Viewer&                     viewer_;
    Sower*                      sower_;
    ObjectSet<AuxData>          auxdata_;
    TypeSet<int>                ids_;
    BoolTypeSet                 allowadd_;
    BoolTypeSet                 allowmove_;
    BoolTypeSet                 allowremove_;
    BoolTypeSet                 allowpolysel_;
    BoolTypeSet                 doedit_;

    int                         addauxdataid_;
    ObjectSet<AuxData>          polygonsel_;
    OD::LineStyle                       polygonsellst_;
    bool                        polygonselrect_;
    bool                        isselactive_;
    AuxData*                    feedback_;
    Geom::Point2D<int>          prevpt_;

    Geom::PixRectangle<int>     mousearea_;
    Rect                        curview_;
    MouseEventHandler&          mousehandler_;
    bool                        mousedown_;
    bool                        hasmoved_;

    int                         seldatasetidx_;
    TypeSet<int>                selptidx_;
    Point                       selptcoord_;
    Rect*                       movementlimit_;

    MenuHandler*                menuhandler_;
};


}; // namespace FlatView