emhorizonpreload.h

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#pragma once

/*+
________________________________________________________________________

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

-*/

#include "earthmodelmod.h"
#include "callback.h"
#include "bufstringset.h"
#include "dbkey.h"


class TaskRunner;

namespace EM
{

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

    bool                        load(const DBKeySet&,TaskRunner* tskr=0);
    DBKey                       getDBKey(const char* name) const;
    const DBKeySet&             getPreloadedIDs() const;
    const BufferStringSet&      getPreloadedNames() const;
    const uiString              errorMsg() const            { return errmsg_; }
    void                        unload(const BufferStringSet& hornms);

protected:

    void                surveyChgCB(CallBacker*);

    DBKeySet            loadedmids_;
    BufferStringSet     loadednms_;
    uiString            errmsg_;

};


mGlobal(EarthModel) HorizonPreLoader& HPreL();

} //namespace EM