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
 RCS:           $Id$
________________________________________________________________________
 
-*/
 
#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:
    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:
                        uiParentBody( const char* nm )
                            : NamedCallBacker( nm )
                            , finalised_( false )
                        {}
 
    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_;
};
 
 
mExpClass(uiBase) uiCentralWidgetBody : public uiParentBody
{
public:
    virtual                     ~uiCentralWidgetBody();
 
    uiGroup*                    uiCentralWidg() { return centralwidget_; }
    virtual void                addChild(uiBaseObject&);
    virtual void                manageChld_(uiBaseObject&,uiObjectBody&);
    virtual void                attachChild(constraintType,uiObject* child,
                                            uiObject* other,int margin,
                                            bool reciprocal);
 
protected:
                                uiCentralWidgetBody(const char* nm);
 
    virtual const QWidget*      managewidg_() const;
 
    bool                        initing_;
    uiGroup*                    centralwidget_;
};