infoHandler.h

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/*******************************************************************************
** Copyright (c) 2003 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: infoHandler.h,v $ $Revision: 1.8 $ $State: Exp $
*******************************************************************************/


#ifndef DTINFOHANDLER_H_
#define DTINFOHANDLER_H_

#include "tmqt/eventHandler.h"
#include "tmqt/eventSignaller.h"

class DtTMFactory;
class DtModelData;


#include "tmEventHandler/tmEventHandlerDefines.h"
class DT_DLL_tmEventHandler DtInfoHandler : public DtEventHandler
{
   Q_OBJECT

public:
   DtInfoHandler();
   
   virtual ~DtInfoHandler();

public:
   virtual void showInfo(const DtModelData&);

   virtual QWidget* informationDialogFor(const DtModelData& d, QWidget* parent = NULL);

public slots:
   virtual void removeInfoDialog(QObject* d);

protected:
   virtual bool userDefinedAction(DtUserDefinedType iAction, void* usr);

protected:
   virtual QWidget* createDialog(QWidget* parent, const DtModelData& d) = 0;
   virtual void initDialog(QWidget* info, const DtModelData&) = 0;
   virtual void initConnections(QWidget* info) = 0;
   virtual void disconnectConnections(QWidget* info) = 0;
   virtual QString keyFor(const DtModelData& d) const;

   virtual const char* eventSignalName() = 0;

protected:
   QHash<QString, QWidget*> myInfoDialogs;
};

#endif //DTINFOHANDLER_H_