stratlaygen.h

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#ifndef stratlaygen_h
#define stratlaygen_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Bert
 Date:          June 2011
 RCS:           $Id$
________________________________________________________________________


-*/

#include "stratmod.h"
#include "property.h"


namespace Strat
{
class RefTree;
class LayerSequence;
class LayerSequenceGenDesc;

mExpClass(Strat) LayerGenerator
{
public: 

    virtual             ~LayerGenerator()                       {}

    virtual LayerGenerator* clone() const
                        { return canBeCloned() ? createClone() : 0; }
    virtual bool        canBeCloned() const                     = 0;
    virtual const char* name() const                            = 0;
    virtual float       dispThickness(bool max=false) const     = 0;

    virtual bool        usePar(const IOPar&,const RefTree&);
    virtual void        fillPar(IOPar&) const;

    static LayerGenerator* get(const IOPar&,const RefTree&);
    mDefineFactoryInClass(LayerGenerator,factory);

    bool                generateMaterial(LayerSequence&,
                            Property::EvalOpts eo=Property::EvalOpts()) const;

    virtual bool        reset() const   { return true; }
    virtual uiString    errMsg() const  { return uiString::emptyString(); }
    virtual void        syncProps(const PropertyRefSelection&)          = 0;
    virtual void        updateUsedProps(PropertyRefSelection&) const    = 0;

    void                setGenDesc( LayerSequenceGenDesc* gd )  { gendesc_=gd; }

protected:

    virtual LayerGenerator*     createClone() const             { return 0; }
    virtual bool        genMaterial(LayerSequence&,Property::EvalOpts) const
                                                        = 0;
    virtual bool        postProcess(LayerSequence&,float pos) const
                                                        { return true; }

    const LayerSequenceGenDesc* gendesc_; 
    friend class        LayerSequenceGenDesc;

};


#define mDefLayerGeneratorFns(clss,typstr) \
protected: \
    virtual bool        genMaterial(Strat::LayerSequence&, \
                            Property::EvalOpts eo=Property::EvalOpts()) const; \
public: \
    static const char*  typeStr()               { return typstr; } \
    virtual const char* factoryKeyword() const  { return typeStr(); } \
    static Strat::LayerGenerator* create()      { return new clss; } \
    static void         initClass() { factory().addCreator(create,typeStr());} \
    virtual const char* name() const; \
    virtual float       dispThickness(bool max=true) const; \
    virtual bool        usePar(const IOPar&,const Strat::RefTree&); \
    virtual void        fillPar(IOPar&) const; \
    virtual void        syncProps(const PropertyRefSelection&); \
    virtual void        updateUsedProps(PropertyRefSelection&) const



}; // namespace Strat

#endif