GDataController.h

/***************************************************************************
 *   Copyright (C) 2004 - 2005 by Raphael Langerhorst                      *
 *   raphael-langerhorst@gmx.at                                            *
 *                                                                         *
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 *   the following conditions:                                             *
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#ifndef GDATACONTROLLER_H
#define GDATACONTROLLER_H

#include <QObject>

#include <GElement.h>
#include <GElementID.h>
#include <GElementInfluence.h>
#include <GVector3.h>

#include <GWorldData.h>

#include <QList>

namespace GWE
{

class GDataController : public QObject, public GCS::GWorldData
{
  Q_OBJECT
  
  public:
  
    GDataController(QObject *parent = 0)
      : QObject(parent),
        GCS::GWorldData()
      {}
      
    virtual ~GDataController()
      {}
      
    // ELEMENT MANAGEMENT //
    
    //read is already declared as abstract in GCS::GWorldData
    
    virtual GCS::GElement* open(const GCS::GElementID& ) = 0;
    
    virtual GCS::GElement* getOpenElement(const GCS::GElementID& ) = 0;

    virtual QList<GCS::GElementID> getListOfOpenElements() = 0;

    virtual QList<GCS::GElementID> getListOfAllElements() = 0;
    
    virtual bool isPrimaryElement(const GCS::GElementID&) const {return true;}
    
    public slots:
      
    // ELEMENT MANAGEMENT - THESE ROUTINES CAN ACT AS SLOTS //
  
    virtual bool add(GCS::GElement*) = 0;
    
    virtual bool writeOpenElementToStorage(const GCS::GElementID& ) = 0;
    
    virtual bool close(const GCS::GElementID& ) = 0;
    
    virtual bool postDelete(const GCS::GElementID& ) = 0;

    virtual void shutdown() = 0;
    
  signals:
  
    // SIGNALS INTERESTING FOR DATA MANAGEMENT (DB,...) //
    
    //@todo I think it's better to emit with const GCS::GElementID&, except for added maybe
    
    void elementAdded(const GCS::GElementID& );
    
    void elementUpdated(const GCS::GElementID& );
  
    void elementOpened(const GCS::GElementID& );
    
    void elementClosed(const GCS::GElementID& );
    
    void elementDeleted(const GCS::GElementID& );
};

}

#endif //GDATACONTROLLER_H

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