emmanager.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Kristofer Tingdahl
 Date:          4-11-2002
________________________________________________________________________


-*/

#include "earthmodelmod.h"
#include "notify.h"
#include "factory.h"
#include "ptrman.h"
#include "ranges.h"
#include "dbkey.h"
#include "emposid.h"
#include "emundo.h"

class Undo;
class IOObj;
class IOObjContext;
class TaskRunner;
class Executor;
class uiEMPartServer;

template <class T> class Selector;

namespace EM
{
class EMObject;
class SurfaceIOData;
class SurfaceIODataSelection;

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

    inline int          nrLoadedObjects() const { return objects_.size(); }
    inline int          size() const            { return nrLoadedObjects(); }
    EM::ObjectID        objectID(int idx) const;
    bool                objectExists(const EMObject*) const;

    EMObject*           loadIfNotFullyLoaded(const DBKey&,TaskRunner* =0);
    EMObject*           getObject(const ObjectID&);
    const EMObject*     getObject(const ObjectID&) const;
    EMObject*           createTempObject(const char* type);

    BufferString        objectName(const DBKey&) const;
    const char*         objectType(const DBKey&) const;
    ObjectID            getObjectID(const DBKey&) const;
    DBKey               getDBKey(const ObjectID&) const;
    void                burstAlertToAll(bool yn);

    void                removeSelected(const ObjectID&,const Selector<Coord3>&,
                                       TaskRunner*);
    bool                readDisplayPars(const DBKey&,IOPar&) const;
    bool                writeDisplayPars(const DBKey&,const IOPar&) const;
    bool                getSurfaceData(const DBKey&,SurfaceIOData&,
                                       uiString& errmsg) const;

    Notifier<EMManager> addRemove;

protected:

    ObjectSet<EMObject>         objects_;

    mStruct(EarthModel) EMObjUndo       
    {
        EMObjUndo( const EM::ObjectID& id )
        : undo_( *new EMUndo() ), id_ ( id ) {}
        
        ~EMObjUndo() { delete &undo_; }
        Undo&        undo_;             
        EM::ObjectID id_;
    };

    ObjectSet<EMObjUndo>        undolist_;

    void                levelSetChgCB(CallBacker*);
    static const char*  displayparameterstr();

    bool                readParsFromDisplayInfoFile(const DBKey&,
                                                    IOPar&)const;
    bool                readParsFromGeometryInfoFile(const DBKey&,
                                                     IOPar&)const;
    int                 undoIndexOf(const EM::ObjectID& id);

public:

    // Don't use unless you know what you are doing

    void                setEmpty();

    Executor*           objectLoader(const DBKey&,
                                     const SurfaceIODataSelection* =0);
    Executor*           objectLoader(const DBKeySet&,
                                     const SurfaceIODataSelection* =0,
                                     DBKeySet* idstobeloaded =0);
    EM::ObjectID        createObject(const char* type,const char* name);
                        /*Interface from EMObject to report themselves */
    void                addObject(EMObject*);
    void                removeObject(const EMObject*);

    void                eraseUndoList();
    Undo&               undo(const EM::ObjectID&);

};


mDefineFactory1Param( EarthModel, EMObject, EMManager&, EMOF );

mGlobal(EarthModel) EMManager& EMM();
mGlobal(EarthModel) bool canOverwrite(const DBKey&);

} // namespace EM