vertexEditorHandler.h

Go to the documentation of this file.

/*******************************************************************************
** Copyright (c) 2003 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: vertexEditorHandler.h,v $ $Revision: 1.16 $ $State: Exp $
*******************************************************************************/


#ifndef VERTEXEDITORHANDLER_H_
#define VERTEXEDITORHANDLER_H_

#include "tmqt/eventHandler.h"

class DtTMMapArea;
class DtLineSymbol;
class DtPoint;
class DtModelData;
class DtSymbolSelector;
class DtSymbol;

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

public:
   DtVertexEditorHandler();
   
   virtual ~DtVertexEditorHandler();

   virtual bool canAddPointTo(DtTMMapArea* area, DtSymbol* symbol);

   virtual bool canDeletePoint(DtTMMapArea* area, DtSymbol* symbol);

   virtual bool canMovePoint(DtTMMapArea* area, DtSymbol* line);

public:
   static DtEventHandler* create(DtEventController* owner, void* usr);

public slots:
   virtual void done();

   virtual void processAddPoint();
   virtual void processAddPoint(DtTMMapArea* area, DtLineSymbol* line, const DtPoint& pnt);

   virtual void processDeletePoint();

   virtual bool mouseEvent(DtTMMapArea* area, QMouseEvent* evnt, const DtPoint& pnt);
   virtual bool keyboardEvent(DtTMMapArea* area, QKeyEvent* evnt);

   virtual bool deleteSelectedPoint(DtTMMapArea* area);

   virtual void moveSelectedPointBy(DtTMMapArea* area, DtModelData* data, const DtPoint& delta);

protected:

   virtual void moveSelectedPointTo(DtTMMapArea* area, const QPoint& pnt, const DtPoint& dbPoint);

   virtual void cancelMove();

   virtual void acceptMove(const QPoint& pnt, const DtPoint& dbPoint);

   virtual bool completeMove(const QPoint& pnt, const DtPoint& dbPoint);

   virtual DtSymbol* getWorkingSymbol(DtTMMapArea* area, const DtPoint* atLocation = NULL) const;
   virtual DtSymbol* getWorkingSymbol(DtSymbol* symbol) const;
   virtual DtModelData* getModelData(DtTMMapArea* area) const;

   virtual DtSymbol* getEditingSymbol(DtTMMapArea* area, const DtPoint* atLocation = NULL) const;

   virtual void createTempSymbol(DtTMMapArea* area);

   virtual void removeTempSymbol(DtTMMapArea* area);

   virtual DtSymbol* createSymbol(DtTMMapArea* area);

   virtual bool initializeEdit(DtTMMapArea* area);

   virtual void addPointTo(DtLineSymbol* symbol, const QPoint& pos);

   virtual int timeout() const;

   virtual void modifyPoint(const DtModelData& data, DtPoint& pnt);

   virtual void clearTimer();

protected:
   DtSymbol*      myTempSymbol;
   DtTMMapArea*   myActiveMap;
   DtSymbol*      myWorkingSymbol;
   DtModelData*   myModelData;
   bool           myAddingPoint;
   QTimer*        myAcceptTimer;
};

#endif //VERTEXEDITORHANDLER_H_