uiparentbody.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H. Lammertink
 Date:          21/06/2001
________________________________________________________________________

-*/

#include "uiparent.h"
#include "uilayout.h"
#include "sets.h"
#include "uiobj.h"
#include "uibody.h"

#include "uigroup.h"

mClass(uiBase) uiParentBody : public uiBody, public NamedCallBacker
{
friend class uiObjectBody;
public:
                        //uiParentBody( const char* nm = "uiParentBody")
                        uiParentBody( const char* nm )
                            : NamedCallBacker( nm )
                            , finalised_( false )
                        {}

    virtual             ~uiParentBody()
                        { sendDelNotif(); deleteAllChildren(); }

    virtual void        addChild( uiBaseObject& child )
                        {
                            if ( children_.isPresent(&child ) ) return;
                            children_ += &child;
                            mAttachCB( child.objectToBeDeleted(),
                                       uiParentBody::childDel );
                        }

    void                manageChld( uiBaseObject& child, uiObjectBody& b)
                        {
                            addChild( child );
                            manageChld_(child,b);
                        }

    virtual void        attachChild( constraintType tp, uiObject* child,
                                     uiObject* other, int margin,
                                     bool reciprocal ) =0;

    const ObjectSet<uiBaseObject>* childList() const    { return &children_; }

    bool                finalised() const       { return finalised_; }
    virtual void        finalise()              { finaliseChildren(); }
    void                finaliseChildren();     // body: uiobj.cc
    void                clearChildren();        // body: uiobj.cc

    inline const mQtclass(QWidget*) managewidg() const  { return managewidg_();}
    inline mQtclass(QWidget*)   managewidg()
                    { return const_cast<mQtclass(QWidget*)>( managewidg_() ); }

protected:

    void        deleteAllChildren()
                {
                    //avoid the problems from childDel() removal from
                    //children_
                    ObjectSet<uiBaseObject> childrencopy = children_;
                    children_.erase();
                    deepErase( childrencopy );
                }

    void        childDel( CallBacker* cb )
                {
                    uiBaseObject* obj = static_cast<uiBaseObject*>( cb );
                    if ( obj ) children_ -= obj;
                }

    virtual const mQtclass(QWidget*)    managewidg_() const = 0;
    virtual void                manageChld_(uiBaseObject&,uiObjectBody&) {}

    ObjectSet<uiBaseObject>     children_;

private:

    bool                        finalised_;
};