locationpagecoordinates.cpp

roadnav 内含一个基于wxWindows库的车载导航系统。编译后

/*
 *  Roadnav
 *  LocationPageCoordinates.cpp
 *
 *  Copyright (c) 2004 - 2006 Richard L. Lynch <[e-mail]>
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of version 2 of the GNU General Public License
 *  as published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

//////////////////////////////////////////////////////////////////////////////
/// \file
///
/// \brief This location page allows a set of GPS coordinates to be entered.
///
//////////////////////////////////////////////////////////////////////////////

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#ifdef _MSC_VER
#pragma warning(disable: 4786)
#pragma warning(disable: 4800)
#endif

#include <wx/wx.h>
#include <wx/valgen.h>

#include <vector>

#include "App.h"
#include "LocationPageCoordinates.h"
#include "libroadnav/MapLookup.h"
#include "libroadnav/MapState.h"
#include "libroadnav/Map.h"
#include "libroadnav/MapAbbreviations.h"
#include "libroadnav/MapZip.h"
#include "libroadnav/MapRepresentations.h"
#include "libroadnav/MapControlDataImporter_TigerLine.h"

using namespace std;

//////////////////////////////////////////////////////////////////////////////
///
/// LocationPageCoordinates event table
///
//////////////////////////////////////////////////////////////////////////////
BEGIN_EVENT_TABLE(LocationPageCoordinates, wxPanel)
END_EVENT_TABLE()

//////////////////////////////////////////////////////////////////////////////
///
/// \brief Constructor - create the control
///
//////////////////////////////////////////////////////////////////////////////
LocationPageCoordinates::LocationPageCoordinates(wxWindow *parent)
             : wxPanel(parent, -1, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL | wxNO_BORDER)
{
	wxBoxSizer * sizerWnd = new wxBoxSizer(wxVERTICAL);

	//////////////////////////////////////////////////////////////////////////////
	// Coordinates entry
	//////////////////////////////////////////////////////////////////////////////
	sizerWnd->Add(
					new wxStaticText(this, -1, wxT("Coordinates"), wxDefaultPosition),
					1, 
					wxALIGN_LEFT | wxALIGN_BOTTOM | wxLEFT | wxRIGHT | wxTOP, 
					5);

	m_ctlCoordinates = new wxTextCtrl(this, -1, m_strCoordinates, wxDefaultPosition, wxSize(200, -1), 0, wxGenericValidator(&m_strCoordinates));
    sizerWnd->Add(m_ctlCoordinates, 1, wxGROW | wxALL, 5);

	//////////////////////////////////////////////////////////////////////////
	// Set up the sizer
	//////////////////////////////////////////////////////////////////////////
    m_ctlCoordinates->SetFocus();

	sizerWnd->Fit(this);
	SetSizer(sizerWnd);
	Layout();
	sizerWnd->SetSizeHints(this);
	
}

//////////////////////////////////////////////////////////////////////////////
/// 
/// \brief Parse the entered addresses.
///
/// This function parses the address that was entered into it and returns
/// a Address pointer. Multiple calls to GetAddress will return the same
/// pointer since FindAddress is used.
///
//////////////////////////////////////////////////////////////////////////////
Address LocationPageCoordinates::GetAddress(wxString * pstrErrorMsg, bool bRoadsOnly)
{
	Point ptEntered;
	vector<bool> bVisibility;
	Address sAddr;

	if (bRoadsOnly)
	{	
		int iRT;
		for (iRT = FIRST_RECORD_TYPE; iRT <= LAST_RECORD_TYPE; iRT++)
		{
			bVisibility.push_back(iRT >= FIRST_RECORD_TYPE_ROAD && iRT <= LAST_RECORD_TYPE_ROAD);
		}
	}

	ptEntered.ParsePoint(m_strCoordinates);
	
	sAddr = FindCoordinates(ptEntered, bVisibility);

	if (!sAddr.m_bValid && pstrErrorMsg)
		*pstrErrorMsg = wxT("Unable to locate coordinates");
	
	return sAddr;
}

//////////////////////////////////////////////////////////////////////////////
/// 
/// \brief Update the address in the dialog with the address provided in
/// the cAddress argument.
///
//////////////////////////////////////////////////////////////////////////////
void LocationPageCoordinates::SetAddress(Address cAddress)
{
	m_strCoordinates = cAddress.m_ptCoordinates.FormatPoint();

	TransferDataToWindow();
}