uiunitsel.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Raman K Singh
 Date:          Feb 2010
________________________________________________________________________

-*/


#include "uitoolsmod.h"
#include "uigroup.h"
#include "uistrings.h"
#include "propertyref.h"

class uiComboBox;
class UnitOfMeasure;


mExpClass(uiTools) uiUnitSel : public uiGroup
{
public:

    mExpClass(uiTools) Setup
    {
    public:

        enum Mode               { SymbolsOnly, NamesOnly, Full };

                                Setup( PropertyRef::StdType st,
                                       const uiString labeltxt=
                                       uiStrings::sEmptyString() )
                                    : ptype_(st)
                                    , lbltxt_(labeltxt)
                                    , mode_(Full)
                                    , selproptype_(false)
                                    , nodefsave_(false)
                                    , withnone_(false)  {}

        mDefSetupMemb(PropertyRef::StdType,ptype)
        mDefSetupMemb(uiString,lbltxt)
        mDefSetupMemb(Mode,mode)
        mDefSetupMemb(bool,selproptype)
        mDefSetupMemb(bool,nodefsave)
        mDefSetupMemb(bool,withnone)
    };

                                uiUnitSel(uiParent*,const Setup&);
                                uiUnitSel(uiParent*,PropertyRef::StdType);
                                uiUnitSel(uiParent*,const uiString& lbltxt=
                                    uiString::emptyString());

    void                        setUnit(const UnitOfMeasure* uom=0);
    void                        setUnit(const char*);
    const UnitOfMeasure*        getUnit() const;
    const char*                 getUnitName() const;

    float                       getUserValue(float internalval) const;
    double                      getUserValue(double internalval) const;
    float                       getInternalValue(float uservalue) const;
    double                      getInternalValue(double uservalue) const;


    PropertyRef::StdType        propType() const        { return setup_.ptype_;}
    void                        setPropType(PropertyRef::StdType);

    uiComboBox*                 inpFld() const  { return inpfld_; }

    Notifier<uiUnitSel>         selChange;
    Notifier<uiUnitSel>         propSelChange;

    void                        fillPar(IOPar&,const char* altkey=0) const;
    bool                        usePar(const IOPar&,const char* altkey=0);

    const char*                 tblKey() const;
    void                        setFallbackKey(const char*);
    static IOPar&               lastUsed();

protected:

    Setup                       setup_;
    ObjectSet<const UnitOfMeasure> units_;
    BufferString                tblkey_;

    uiComboBox*                 inpfld_;
    uiComboBox*                 propfld_;

    void                        selChg( CallBacker* )   { selChange.trigger(); }
    void                        propSelChg(CallBacker*);
    void                        setPropFld(PropertyRef::StdType);
    void                        setUnFld(const UnitOfMeasure*);
    void                        update();
    uiString                    getSelTxt(const UnitOfMeasure*) const;
    const UnitOfMeasure*        gtUnit() const;

private:

    void                        init();

};