uivarwizard.h

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#ifndef uivarwizard_h
#define uivarwizard_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Bert
 Date:          Feb 2010
 RCS:           $Id$
________________________________________________________________________

-*/

#include "uitoolsmod.h"
#include "iopar.h"
#include "uistring.h"
class uiParent;
class uiVarWizardDlg;


mExpClass(uiTools) uiVarWizard : public CallBacker
{ mODTextTranslationClass(uiVarWizard);
public:

                        uiVarWizard(uiParent*);
    virtual             ~uiVarWizard()          {}

    IOPar&              pars()                  { return pars_; }
    const IOPar&        pars() const            { return pars_; }
    int                 state() const           { return state_; }

    Notifier<uiVarWizard> processEnded;

    static int          cCancelled()            { return 0; }
    static int          cFinished()             { return 1; }
    static int          cWait4Dialog()          { return 2; }

    virtual void        raiseCurrent()          = 0;

protected:

    uiParent*           parent_;
    IOPar               pars_;
    int                 state_;
    int                 afterfinishedstate_; 

    virtual void        doPart()                = 0;
    virtual void        closeDown();

    void                nextAction();   
    static bool         mustLeave(uiVarWizardDlg*);
};

#define mSetVWState(st) \
        { state_ = st; nextAction(); return; }

#define mLaunchVWDialogOnly(dlg,clss,fn) \
        dlg->windowClosed.notify( mCB(this,clss,fn) ); \
        dlg->setDeleteOnClose( true ); dlg->go()

#define mLaunchVWDialog(dlg,clss,fn) \
        mLaunchVWDialogOnly(dlg,clss,fn); \
        mSetVWState( cWait4Dialog() )

#define mHandleVWCancel(dlg,backstate) \
    if ( !dlg ) return; \
    if ( !dlg->uiResult() ) \
    { \
        const bool doleave = mustLeave(dlg); \
        dlg = 0; \
        mSetVWState( doleave ? cCancelled() : ((int)backstate) ); \
    }



#endif