uimathexpressionvariable.h

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#ifndef uimathexpressionvariable_h
#define uimathexpressionvariable_h
/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        H. Huck
 Date:          Mar 2012
 RCS:           $Id$
________________________________________________________________________

-*/

#include "uitoolsmod.h"
#include "uigroup.h"
#include "mathformula.h"
#include "propertyref.h"
class BufferStringSet;
class UnitOfMeasure;
namespace Math { class Formula; class Expression; }
class uiLabel;
class uiUnitSel;
class uiGenInput;
class uiComboBox;
class uiToolButton;


mExpClass(uiTools) uiMathExpressionVariable : public uiGroup
{ mODTextTranslationClass(uiMathExpressionVariable);
public:

                        uiMathExpressionVariable(uiParent*,int varidx,
                                    bool withuom=true,
                                    bool withsubinps=false,
                                    const Math::SpecVarSet* svs=0);
                        ~uiMathExpressionVariable();

    void                addInpViewIcon(const char* inm,const char* tooltip,
                                        const CallBack&);
    void                setNonSpecInputs(const BufferStringSet&);
    void                setNonSpecSubInputs(const BufferStringSet&);

    virtual void        use(const Math::Formula&);
    virtual void        use(const Math::Expression*);

    int                 varIdx() const          { return varidx_; }
    const OD::String&   varName() const         { return varnm_; }
    bool                hasVarName( const char* nm ) const
                                                { return varnm_ == nm; }

    bool                isActive() const        { return isactive_; }
    bool                isConst() const         { return isconst_; }
    int                 specIdx() const         { return specidx_; }
    const char*         getInput() const;
    const UnitOfMeasure* getUnit() const;
    void                fill(Math::Formula&) const;

    void                selectInput(const char*,bool exact=false);
    void                selectSubInput(int);
    void                setUnit(const UnitOfMeasure*);
    void                setUnit(const char*);
    void                setPropType(PropertyRef::StdType);

    Notifier<uiMathExpressionVariable> inpSel;
    Notifier<uiMathExpressionVariable> subInpSel;

    uiGroup*            rightMostField();
    const uiToolButton* viewBut() const         { return vwbut_; }

protected:

    void                initFlds( CallBacker* ) { updateDisp(); }
    void                inpChg( CallBacker* )   { inpSel.trigger(); }
    void                subInpChg( CallBacker* ) { subInpSel.trigger(); }
    void                showHideVwBut(CallBacker* cb=0);

    const int           varidx_;
    BufferString        varnm_;
    BufferStringSet     nonspecinputs_;
    BufferStringSet     nonspecsubinputs_;
    bool                isactive_;
    bool                isconst_;
    int                 specidx_;
    Math::SpecVarSet&   specvars_;

    uiGroup*            inpgrp_;
    uiLabel*            inplbl_;
    uiComboBox*         inpfld_;
    uiComboBox*         subinpfld_;
    uiGenInput*         constfld_;
    uiUnitSel*          unfld_;
    uiToolButton*       vwbut_;

    void                updateDisp();
    void                updateInpNms(bool sub);
    void                setActive(bool);
    void                setVariable(const char*,bool);

};


#endif