include/tmEventHandler/creationHandler.h

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/*******************************************************************************
** Copyright (c) 2003 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: creationHandler.h,v $ $Revision: 1.13 $ $State: Exp $
*******************************************************************************/


#ifndef CREATIONHANDLER_H_
#define CREATIONHANDLER_H_

#include "tmqt/eventHandler.h"
#include "ngutil/entityMapperKey.h"
#include "tmqt/showDialogType.h"
#include <QtGui/QPixmap>

class DtTMMapArea;
class DtSymbol;
class DtModelData;
class DtTerrainModelData;
class DtString;
class DtList;

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

   DtCreationHandler();
   
   virtual ~DtCreationHandler();
   
   virtual void setCreationObject(DtEntityMapperKey obj, int frc);
   
   virtual void activate();

   virtual DtSymbol* createTempSymbol(DtTMMapArea* area);
   virtual void removeTempSymbol(DtTMMapArea* area);

   virtual void setEditMode(bool b);
   virtual void setModelData(DtModelData* d);
   virtual void setShowDialog(DtShowDialogType type);

   virtual void setEmitCreateSignal(bool);

public slots:

   virtual bool mouseEvent(DtTMMapArea* area, QMouseEvent* evnt, const DtPoint& pnt);
   virtual void stop(const DtPoint& p);
   virtual void updateTempSymbol() = 0;

signals:

   void creationSignal(const DtString& name,
      const DtEntityMapperKey& type,
      const DtList& vertices,
      const DtString& label,
      int appearance,
      int force,
      bool projection,
      bool closedFigure,
      DtReal heading,
      bool createSubObjects,
      DtSymbol* tempSymbol);

   void editSignal(const DtString& name,
      const DtEntityMapperKey& type,
      const DtList& vertices,
      const DtString& label,
      int appearance,
      int force,
      DtReal heading,
      DtSymbol* tempSymbol);

protected:
   virtual DtSymbol* createSymbol(DtTMMapArea* area) = 0;
   virtual void pointSelected(const DtPoint& p) = 0;

   virtual void cancel() = 0;

   virtual bool enterEvent(DtTMMapArea* area, QEvent* evnt);

   virtual void switchActiveMap(DtTMMapArea* area);

   virtual void trackMouseFor(DtTMMapArea* area, bool enable);

   virtual void deactivate();

   virtual void showDialog(bool b);

   virtual void createComplete(bool finalPointSelected);

   virtual QPixmap createCursor();
   virtual void restoreCursor();

   virtual bool keyboardEvent(DtTMMapArea* area, QKeyEvent* evnt);

protected:
   
   DtEntityMapperKey          myCurrentObjectType;
   int                        myCurrentForceType;
   DtSymbol                   *myTempSymbol;
   DtTMMapArea                *myActiveMap;
   bool                       myEditNotCreate;
   bool                       myStopped;
   bool                       myInvalid;
   DtModelData                *myModelData;
   DtShowDialogType           myShowDialogType;

   DtTerrainModelData         *myCreatingFromTerrainData;

   bool                       myDeactivating;
   bool                       myEmitCreateSignal;
   bool                       myCursorSet;

   Qt::KeyboardModifiers      myKeyboardModifiers;
};

inline void DtCreationHandler::setEmitCreateSignal(bool b)
{
   myEmitCreateSignal = b;
}

#endif //CREATIONHANDLER_H_