uistratselunits.h

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#ifndef uistratselunits_h
#define uistratselunits_h

/*+
________________________________________________________________________

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

-*/

#include "uistratmod.h"
#include "uigroup.h"
#include "stratunitrefiter.h"
class uiStratSelUnitsListItem;
class uiTreeView;
class uiComboBox;



mExpClass(uiStrat) uiStratSelUnits : public uiGroup
{
public:

    enum Type   { Simple, Single, Multi };

    mExpClass(uiStrat) Setup
    {
    public:

                        Setup( Type t, Strat::UnitRefIter::Pol p )
                            : type_(t)
                            , pol_(p)
                            , maxnrlines_(12)
                            , autochoosechildparent_(true)
                            , chooseallinitial_(false)
                            , fldtxt_(t==Multi?"Units":"Unit")  {}

        mDefSetupMemb(Type,type)
        mDefSetupMemb(Strat::UnitRefIter::Pol,pol)
        mDefSetupMemb(int,maxnrlines)           
        mDefSetupMemb(BufferString,fldtxt)      
        mDefSetupMemb(bool,chooseallinitial)    
        mDefSetupMemb(bool,autochoosechildparent) 
    };

                        uiStratSelUnits(uiParent*,
                                        const Strat::NodeUnitRef&,
                                        const Setup&);
                        ~uiStratSelUnits();

    bool                isChosen(const Strat::UnitRef&) const;
    bool                isPresent(const Strat::UnitRef&) const;
    const Strat::UnitRef* firstChosen() const;
    void                getChosen(ObjectSet<const Strat::UnitRef>&) const;
    void                setCurrent(const Strat::UnitRef&);
    void                setChosen(const Strat::UnitRef&,bool yn=true);
    void                setExpanded(int dpth=mUdf(int)); // not for Simple

    Notifier<uiStratSelUnits>   currentChanged;
    Notifier<uiStratSelUnits>   unitChosen; 
    Notifier<uiStratSelUnits>   unitPicked; 
    const Strat::UnitRef*       curunit_;

protected:

    uiComboBox*                 combo_;
    uiTreeView*                 tree_;
    ObjectSet<uiStratSelUnitsListItem>  lvitms_;

    const Strat::NodeUnitRef&   topnode_;
    Setup                       setup_;
    bool                        doingautochoose_;

    void                        mkBoxFld();
    void                        mkTreeFld();

    void                        curChg(CallBacker*);
    void                        choiceChg(CallBacker*);
    void                        treeFinalSel(CallBacker*);

    inline bool                 isMulti() const { return setup_.type_==Multi; }
    void                        checkParent(const Strat::UnitRef*);
    void                        checkChildren(const Strat::UnitRef*,bool);
    void                        chooseRelated(const Strat::UnitRef*,bool);
    void                        unChooseParentIfLast(const Strat::UnitRef*);

    uiStratSelUnitsListItem*    find(const Strat::UnitRef*);
    const uiStratSelUnitsListItem* find( const Strat::UnitRef* ur ) const
                { return const_cast<uiStratSelUnits*>(this)->find(ur); }

};


#endif