emhorizonpreload.h

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#ifndef emhorizonpreload_h
#define emhorizonpreload_h

/*+
________________________________________________________________________

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

-*/

#include "earthmodelmod.h"
#include "callback.h"

#include "bufstringset.h"
#include "typeset.h"

class TaskRunner;

namespace EM
{

mExpClass(EarthModel) HorizonPreLoader : public CallBacker
{
public:
                                HorizonPreLoader();
                                ~HorizonPreLoader();

    bool                        load(const TypeSet<MultiID>&,TaskRunner* tr=0);
    const MultiID&              getMultiID(const char* name) const;
    const TypeSet<MultiID>&     getPreloadedIDs() const;
    const BufferStringSet&      getPreloadedNames() const;
    const char*                 errorMsg() const            { return errmsg_; }
    void                        unload(const BufferStringSet& hornms);

protected:
    void                surveyChgCB(CallBacker*);

    TypeSet<MultiID>    loadedmids_;
    BufferStringSet     loadednms_;
    BufferString        errmsg_;
};


mGlobal(EarthModel) HorizonPreLoader& HPreL();

} //namespace EM

#endif