qgsgpsplugin.cpp

一个非常好的GIS开源新版本

  }
  
  // did we get any data?
  if (babelProcess.exitStatus() != 0) {
    QString babelError(babelProcess.readStderr());
    QString errorMsg(tr("Could not convert data from %1!\n\n")
		     .arg(inputFilename));
    errorMsg += babelError;
    QMessageBox::warning(NULL, tr("Error converting data"), errorMsg);
    return;
  }
  
  // add the layer
  switch ( convertType )
  {
  case 0:
    emit drawVectorLayer(outputFilename + "?type=waypoint", 
			 layerName, "gpx");
    break;
  case 1:
    emit drawVectorLayer(outputFilename + "?type=route", 
			 layerName, "gpx");
    break;
  default:
    QgsDebugMsg("Illegal conversion index!");
    return;
  }
  
  emit closeGui();
}

void QgsGPSPlugin::downloadFromGPS(QString device, QString port,
				   bool downloadWaypoints, bool downloadRoutes,
				   bool downloadTracks, QString outputFilename,
				   QString layerName) {
  
  // what does the user want to download?
  QString typeArg, features;
  if (downloadWaypoints) {
    typeArg = "-w";
    features = "waypoints";
  }
  else if (downloadRoutes) {
    typeArg = "-r";
    features = "routes";
  }
  else if (downloadTracks) {
    typeArg = "-t";
    features = "tracks";
  }
  
  // try to start the gpsbabel process
  QStringList babelArgs = 
    mDevices[device]->importCommand(mBabelPath, typeArg, 
				    port, outputFilename);
  if (babelArgs.isEmpty()) {
    QMessageBox::warning(NULL, tr("Not supported"),
			 QString(tr("This device does not support downloading ") +
				 tr("of ")) + features + ".");
    return;
  }


  QgsDebugMsg(QString("Download command: ") + babelArgs.join("|"));

  Q3Process babelProcess(babelArgs);
  if (!babelProcess.start()) {
    QMessageBox::warning(NULL, tr("Could not start process"),
			 tr("Could not start GPSBabel!"));
    return;
  }
  
  // wait for gpsbabel to finish (or the user to cancel)
  Q3ProgressDialog progressDialog(tr("Downloading data..."), tr("Cancel"), 0,
				 NULL, 0, true);
  progressDialog.show();
  for (int i = 0; babelProcess.isRunning(); ++i) {
    QCoreApplication::processEvents();

    progressDialog.setProgress(i/64);
    if (progressDialog.wasCanceled())
      return;
  }
  
  // did we get any data?
  if (babelProcess.exitStatus() != 0) {
    QString babelError(babelProcess.readStderr());
    QString errorMsg(tr("Could not download data from GPS!\n\n"));
    errorMsg += babelError;
    QMessageBox::warning(NULL, tr("Error downloading data"), errorMsg);
    return;
  }
  
  // add the layer
  if (downloadWaypoints)
    emit drawVectorLayer(outputFilename + "?type=waypoint", 
			 layerName, "gpx");
  if (downloadRoutes)
    emit drawVectorLayer(outputFilename + "?type=route", 
			 layerName, "gpx");
  if (downloadTracks)
    emit drawVectorLayer(outputFilename + "?type=track", 
			 layerName, "gpx");
  
  // everything was OK, remember the device and port for next time
  QSettings settings;
  settings.writeEntry("/Plugin-GPS/lastdldevice", device);
  settings.writeEntry("/Plugin-GPS/lastdlport", port);
  
  emit closeGui();
}


void QgsGPSPlugin::uploadToGPS(QgsVectorLayer* gpxLayer, QString device,
			       QString port) {
  
  const QString& source(gpxLayer->getDataProvider()->dataSourceUri());
  
  // what kind of data does the user want to upload?
  QString typeArg, features;
  if (source.right(8) == "waypoint") {
    typeArg = "-w";
    features = "waypoints";
  }
  else if (source.right(5) == "route") {
    typeArg = "-r";
    features = "routes";
  }
  else if (source.right(5) == "track") {
    typeArg = "-t";
    features = "tracks";
  }
  else {
    std::cerr << source.right(8).toLocal8Bit().data() << std::endl;
    assert(false);
  }
  
  // try to start the gpsbabel process
  QStringList babelArgs = 
    mDevices[device]->exportCommand(mBabelPath, typeArg, 
				       source.left(source.findRev('?')), port);
  if (babelArgs.isEmpty()) {
    QMessageBox::warning(NULL, tr("Not supported"),
			 QString(tr("This device does not support uploading of "))+
			 features + ".");
    return;
  }

  QgsDebugMsg(QString("Upload command: ") + babelArgs.join("|"));

  Q3Process babelProcess(babelArgs);
  if (!babelProcess.start()) {
    QMessageBox::warning(NULL, tr("Could not start process"),
			 tr("Could not start GPSBabel!"));
    return;
  }
  
  // wait for gpsbabel to finish (or the user to cancel)
  Q3ProgressDialog progressDialog(tr("Uploading data..."), tr("Cancel"), 0,
				 NULL, 0, true);
  progressDialog.show();
  for (int i = 0; babelProcess.isRunning(); ++i) {
    QCoreApplication::processEvents();

    progressDialog.setProgress(i/64);
    if (progressDialog.wasCanceled())
      return;
  }
  
  // did we get an error?
  if (babelProcess.exitStatus() != 0) {
    QString babelError(babelProcess.readStderr());
    QString errorMsg(tr("Error while uploading data to GPS!\n\n"));
    errorMsg += babelError;
    QMessageBox::warning(NULL, tr("Error uploading data"), errorMsg);
    return;
  }
  
  // everything was OK, remember this device for next time
  QSettings settings;
  settings.writeEntry("/Plugin-GPS/lastuldevice", device);
  settings.writeEntry("/Plugin-GPS/lastulport", port);
  
  emit closeGui();
}


void QgsGPSPlugin::setupBabel() {
  
  // where is gpsbabel?
  QSettings settings;
  mBabelPath = settings.value("/Plugin-GPS/gpsbabelpath", "").toString();
  if (mBabelPath.isEmpty())
    mBabelPath = "gpsbabel";
  // the importable formats
  mImporters["Geocaching.com .loc"] =
    new QgsSimpleBabelFormat("geo", true, false, false);
  mImporters["Magellan Mapsend"] = 
    new QgsSimpleBabelFormat("mapsend", true, true, true);
  mImporters["Garmin PCX5"] = 
    new QgsSimpleBabelFormat("pcx", true, false, true);
  mImporters["Garmin Mapsource"] = 
    new QgsSimpleBabelFormat("mapsource", true, true, true);
  mImporters["GPSUtil"] = 
    new QgsSimpleBabelFormat("gpsutil", true, false, false);
  mImporters["PocketStreets 2002/2003 Pushpin"] = 
    new QgsSimpleBabelFormat("psp", true, false, false);
  mImporters["CoPilot Flight Planner"] = 
    new QgsSimpleBabelFormat("copilot", true, false, false);
  mImporters["Magellan Navigator Companion"] = 
    new QgsSimpleBabelFormat("magnav", true, false, false);
  mImporters["Holux"] = 
    new QgsSimpleBabelFormat("holux", true, false, false);
  mImporters["Topo by National Geographic"] = 
    new QgsSimpleBabelFormat("tpg", true, false, false);
  mImporters["TopoMapPro"] = 
    new QgsSimpleBabelFormat("tmpro", true, false, false);
  mImporters["GeocachingDB"] = 
    new QgsSimpleBabelFormat("gcdb", true, false, false);
  mImporters["Tiger"] = 
    new QgsSimpleBabelFormat("tiger", true, false, false);
  mImporters["EasyGPS Binary Format"] = 
    new QgsSimpleBabelFormat("easygps", true, false, false);
  mImporters["Delorme Routes"] = 
    new QgsSimpleBabelFormat("saroute", false, false, true);
  mImporters["Navicache"] = 
    new QgsSimpleBabelFormat("navicache", true, false, false);
  mImporters["PSITrex"] = 
    new QgsSimpleBabelFormat("psitrex", true, true, true);
  mImporters["Delorme GPS Log"] = 
    new QgsSimpleBabelFormat("gpl", false, false, true);
  mImporters["OziExplorer"] = 
    new QgsSimpleBabelFormat("ozi", true, false, false);
  mImporters["NMEA Sentences"] = 
    new QgsSimpleBabelFormat("nmea", true, false, true);
  mImporters["Delorme Street Atlas 2004 Plus"] = 
    new QgsSimpleBabelFormat("saplus", true, false, false);
  mImporters["Microsoft Streets and Trips"] = 
    new QgsSimpleBabelFormat("s_and_t", true, false, false);
  mImporters["NIMA/GNIS Geographic Names"] = 
    new QgsSimpleBabelFormat("nima", true, false, false);
  mImporters["Maptech"] = 
    new QgsSimpleBabelFormat("mxf", true, false, false);
  mImporters["Mapopolis.com Mapconverter Application"] = 
    new QgsSimpleBabelFormat("mapconverter", true, false, false);
  mImporters["GPSman"] = 
    new QgsSimpleBabelFormat("gpsman", true, false, false);
  mImporters["GPSDrive"] = 
    new QgsSimpleBabelFormat("gpsdrive", true, false, false);
  mImporters["Fugawi"] = 
    new QgsSimpleBabelFormat("fugawi", true, false, false);
  mImporters["DNA"] = 
    new QgsSimpleBabelFormat("dna", true, false, false);

  // and the GPS devices
  mDevices["Garmin serial"] = 
    new QgsGPSDevice("%babel -w -i garmin -o gpx %in %out",
		     "%babel -w -i gpx -o garmin %in %out",
		     "%babel -r -i garmin -o gpx %in %out",
		     "%babel -r -i gpx -o garmin %in %out",
		     "%babel -t -i garmin -o gpx %in %out",
		     "%babel -t -i gpx -o garmin %in %out");
  QStringList deviceNames = settings.value("/Plugin-GPS/devicelist").
                             toStringList();

  QStringList::const_iterator iter;

  for (iter = deviceNames.begin(); iter != deviceNames.end(); ++iter) {
    QString wptDownload = settings.
      value(QString("/Plugin-GPS/devices/%1/wptdownload").
       arg(*iter), "").toString();
    QString wptUpload = settings.
      value(QString("/Plugin-GPS/devices/%1/wptupload").arg(*iter), "").
       toString();
    QString rteDownload = settings.
      value(QString("/Plugin-GPS/devices/%1/rtedownload").arg(*iter), "").
       toString();
    QString rteUpload = settings.
      value(QString("/Plugin-GPS/devices/%1/rteupload").arg(*iter), "").
       toString();
    QString trkDownload = settings.
      value(QString("/Plugin-GPS/devices/%1/trkdownload").arg(*iter), "").
       toString();
    QString trkUpload = settings.
      value(QString("/Plugin-GPS/devices/%1/trkupload").arg(*iter), "").
       toString();
    mDevices[*iter] = new QgsGPSDevice(wptDownload, wptUpload,
				       rteDownload, rteUpload,
				       trkDownload, trkUpload);
  }
}




/** 
 * Required extern functions needed  for every plugin 
 * These functions can be called prior to creating an instance
 * of the plugin class
 */
// Class factory to return a new instance of the plugin class
QGISEXTERN QgisPlugin * classFactory(QgisInterface * theQgisInterfacePointer)
{
  return new QgsGPSPlugin(theQgisInterfacePointer);
}

// Return the name of the plugin - note that we do not user class members as
// the class may not yet be insantiated when this method is called.
QGISEXTERN QString name()
{
  return name_;
}

// Return the description
QGISEXTERN QString description()
{
  return description_;
}

// Return the type (either UI or MapLayer plugin)
QGISEXTERN int type()
{
  return type_;
}

// Return the version number for the plugin
QGISEXTERN QString version()
{
  return version_;
}

// Delete ourself
QGISEXTERN void unload(QgisPlugin * thePluginPointer)
{
  delete thePluginPointer;
}