tmsnappingmemory.h

/***************************************************************************
 tmsnappingmemory.h
 Store snapping status into memory for faster access
 -------------------
 copyright            : (C) 2007 CREALP Lucien Schreiber
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef _TM_SNAPPING_MEMORY_H_
#define _TM_SNAPPING_MEMORY_H_
 
#include <wx/wxprec.h>
 
#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif
 
const int tmSNAPPING_OFF = 0;
const int tmSNAPPING_VERTEX = 1;
const int tmSNAPPING_BEGIN_END = 2;
const wxString tmSNAPPING_TEXT_YES = wxTRANSLATE("Yes");
 
const wxString tmSNAPPING_TEXT[] = {_T(""), wxTRANSLATE("all vertex"), wxTRANSLATE("begin / end")};
 
class tmSnappingObject {
  private:
    void InitMemberValues();
 
  public:
    long m_LayerID;
    int m_SnappingStatus;
 
    tmSnappingObject();
 
    ~tmSnappingObject();
};
// Creating a list of MemoryObjects
WX_DECLARE_OBJARRAY(tmSnappingObject, tmSnappingObjArray);
 
/***************************************************************************/ 
class tmSnappingMemory : public wxObject {
  private:
    tmSnappingObjArray m_Snapping;
    int m_Tolerence;
 
  protected:
    int FindSnappingItem(const long& lid);
 
  public:
    tmSnappingMemory();
 
    ~tmSnappingMemory();
 
    // snapping operations
    void AddSnappingMemory(long lid, int snapstatus);
 
    unsigned int GetCount() {
        return m_Snapping.GetCount();
    }
 
    bool DeleteSnappingMemory(const long& lid);
 
    int GetSnappingMemoryStatus(const long& lid);
 
    bool SetSnappingMemoryStatus(const long& lid, int snapstatus);
 
    bool GetSnappingInfo(unsigned int iIndex, long& lid, int& snapstatus);
 
    void Clear() {
        m_Snapping.Clear();
    }
 
    void ClearSnappingStatus();
 
    // tolerence operations
    void SetTolerence(int tolereance) {
        m_Tolerence = tolereance;
    }
 
    int GetTolerence() {
        return m_Tolerence;
    }
 
    // misc function
    bool IsSnappingEnabled();
};
 
#endif