formpjpt.h

Go to the documentation of this file.

/**
 * \file formpjpt.h <mi32/formpjpt.h>
 * \brief MXFORM_PROJPOINT class definition.
 *
 * \if NODOC
 * $Id: formpjpt.h_v 1.3 2004/06/30 13:25:54 mju Exp $
 *
 * $Log: formpjpt.h_v $
 * Revision 1.3  2004/06/30 13:25:54  mju
 * Use spatref.
 *
 * Revision 1.2  2003/09/15 13:49:56  fileserver!dwilliss
 * Doxygen
 *
 * Revision 1.1  2000/09/20 16:28:50  mju
 * Initial revision
 *
 * \endif
**/

#ifndef  INC_MI32_FORMTBFL_H
#define  INC_MI32_FORMTBFL_H

#ifndef  INC_MI32_MXFORM_H
#include <mi32/mxform.h>
#endif

#ifndef  INC_MI32_POINT_H
#include <mi32/point.h>
#endif

#ifndef  INC_MI32_SPATREF_H
#include <mi32/spatref.h>
#endif

class MXFORM_PROJPOINT : public MXFORM {
   public:

      MXFORM_PROJPOINT (
         );

      virtual ~MXFORM_PROJPOINT (
         );

      //! Clear current point.
      //! Does not call the OnChangePoint() method.
      void ClearPoint (
         );

      //! Create the form.
      Widget Create (
         Widget pwidget,                        //!< Parent widget
         const Arg *arglist,                    //!< Attachment parameters
         int argcount                           //!< Number of attachment parameters
         );

      //! Get current point.
      //! @return Point coordinates in current projection, meters or decimal degrees.
      const DPOINT2D& GetPoint (
         ) const {
         return (m_Point);
         }

      //! Get current Coordinate Reference System.
      //! @return Projection parameters.
      const SPATREF::COORDREFSYS& GetCoordRefSys (
         ) const {
         return (m_CoordRefSys);
         }

      //! Determine if has valid point coordinates.
      bool HasPoint (
         ) const {
         return (m_HasPoint);
         }

      //! Set point coordinates in current projection.
      void SetPoint (
         const DPOINT2D& point,                 //!< Coordinates in decimal degrees or meters
         bool notify = false                    //!< Call OnChangePoint() method
         );

      //! Set projection.
      //! If a point is currently set an attempt will be made to convert it from
      //! the previous projection to the new projection.  If the conversion fails
      //! the point fields will be cleared.
      //! The OnChangePoint() is not called by this method.
      void SetCoordRefSys (
         const SPATREF::COORDREFSYS& proj,               //!< New projection parameters
         bool notify = false                    //!< Call OnChangeCoordRefSys() method
         );

   protected:

      //! Called when point is changed.
      //! Derived class must call superclass OnChangePoint() method BEFORE
      //! performing its own processing.
      virtual void OnChangePoint (
         );

      //! Called when CRS is changed.
      //! Derived class must call superclass OnChangeCoordRefSys() method BEFORE
      //! performing its own processing.
      virtual void OnChangeCoordRefSys (
         );

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT

      SPATREF::COORDREFSYS m_CoordRefSys;
      DPOINT2D m_Point;
      bool m_HasPoint;
      Widget m_CoordRefSysNameXeT;
      Widget m_LongitudeL;
      Widget m_LatitudeL;
      Widget m_NorthL;
      Widget m_EastL;
      Widget m_PointYP;
      Widget m_PointXP;

      void UpdateControlsForCRS ();

      static void CB_CoordRefSys (Widget, MXFORM_PROJPOINT*, void*);

      static void PCB_ChangePoint (
         MxPromptCallbackStruct *cbs,
         MXFORM_PROJPOINT *form
         );

      MXPRMTCB_ADD(MXFORM_PROJPOINT);

      // UNIMPLEMENTED / UNSUPPORTED
      MXFORM_PROJPOINT (const MXFORM_PROJPOINT&);
      MXFORM_PROJPOINT& operator= (const MXFORM_PROJPOINT&);
      #endif // GENERATING_DOXYGEN_OUTPUT
   };

#endif   //!< INC_MI32_FORMTBFL_H

---