qgsgpsplugingui.cpp

一个非常好的GIS开源新版本

void QgsGPSPluginGui::on_pbnIMPOutput_clicked() {
  QString myFileNameQString = 
    QFileDialog::getSaveFileName(this, //parent dialog
				 tr("Choose a filename to save under"),
                 ".", //initial dir
				 tr("GPS eXchange format (*.gpx)"));
  if (!myFileNameQString.isEmpty())
    leIMPOutput->setText(myFileNameQString);
}


void QgsGPSPluginGui::populatePortComboBoxes() {
  
#ifdef linux
  // look for linux serial devices
  QString linuxDev("/dev/ttyS%1");
  for (int i = 0; i < 10; ++i) {
    if (QFileInfo(linuxDev.arg(i)).exists()) {
      cmbDLPort->insertItem(linuxDev.arg(i));
      cmbULPort->insertItem(linuxDev.arg(i));
    }
    else
      break;
  }
  
  // and the ttyUSB* devices (serial USB adaptor)
  linuxDev = "/dev/ttyUSB%1";
  for (int i = 0; i < 10; ++i) {
    if (QFileInfo(linuxDev.arg(i)).exists()) {
      cmbDLPort->insertItem(linuxDev.arg(i));
      cmbULPort->insertItem(linuxDev.arg(i));
    }
    else
      break;
  }
  
#endif

#ifdef __FreeBSD__ // freebsd
  // and freebsd devices (untested)
  QString freebsdDev("/dev/cuaa%1");
  for (int i = 0; i < 10; ++i) {
    if (QFileInfo(freebsdDev.arg(i)).exists()) {
      cmbDLPort->insertItem(freebsdDev.arg(i));
      cmbULPort->insertItem(freebsdDev.arg(i));
    }
    else
      break;
  }

  // and the ucom devices (serial USB adaptors)
  freebsdDev = "/dev/ucom%1";
  for (int i = 0; i < 10; ++i) {
    if (QFileInfo(freebsdDev.arg(i)).exists()) {
      cmbDLPort->insertItem(freebsdDev.arg(i));
      cmbULPort->insertItem(freebsdDev.arg(i));
    }
    else
      break;
  }
 
#endif
  
#ifdef sparc
  // and solaris devices (also untested)
  QString solarisDev("/dev/cua/%1");
  for (int i = 'a'; i < 'k'; ++i) {
    if (QFileInfo(solarisDev.arg(char(i))).exists()) {
      cmbDLPort->insertItem(solarisDev.arg(char(i)));
      cmbULPort->insertItem(solarisDev.arg(char(i)));
    }
    else
      break;
  }
#endif

#ifdef WIN32
  cmbULPort->insertItem("com1");
  cmbULPort->insertItem("com2");
  cmbULPort->insertItem("usb:");
  cmbDLPort->insertItem("com1");
  cmbDLPort->insertItem("com2");
  cmbDLPort->insertItem("usb:");
#endif

  // OSX, OpenBSD, NetBSD etc? Anyone?
  
  // remember the last ports used
  QSettings settings;
  QString lastDLPort = settings.readEntry("/Plugin-GPS/lastdlport", "");
  QString lastULPort = settings.readEntry("/Plugin-GPS/lastulport", "");
  for (int i = 0; i < cmbDLPort->count(); ++i) {
    if (cmbDLPort->text(i) == lastDLPort) {
      cmbDLPort->setCurrentItem(i);
      break;
    }
  }
  for (int i = 0; i < cmbULPort->count(); ++i) {
    if (cmbULPort->text(i) == lastULPort) {
      cmbULPort->setCurrentItem(i);
      break;
    }
  }
}


void QgsGPSPluginGui::populateULLayerComboBox() {
  for (std::vector<QgsVectorLayer*>::size_type i = 0; i < mGPXLayers.size(); ++i)
    cmbULLayer->insertItem(mGPXLayers[i]->name());
}


void QgsGPSPluginGui::populateIMPBabelFormats() {
  mBabelFilter = "";
  cmbULDevice->clear();
  cmbDLDevice->clear();
  QSettings settings;
  QString lastDLDevice = settings.readEntry("/Plugin-GPS/lastdldevice", "");
  QString lastULDevice = settings.readEntry("/Plugin-GPS/lastuldevice", "");
  BabelMap::const_iterator iter;
  for (iter = mImporters.begin(); iter != mImporters.end(); ++iter)
    mBabelFilter.append((const char*)iter->first).append(" (*.*);;");
  mBabelFilter.chop(2);   // Remove the trailing ;;, which otherwise leads to an empty filetype
  int u = -1, d = -1;
  std::map<QString, QgsGPSDevice*>::const_iterator iter2;
  for (iter2 = mDevices.begin(); iter2 != mDevices.end(); ++iter2) {
    cmbULDevice->insertItem(iter2->first);
    if (iter2->first == lastULDevice)
      u = cmbULDevice->count() - 1;
    cmbDLDevice->insertItem(iter2->first);
    if (iter2->first == lastDLDevice)
      d = cmbDLDevice->count() - 1;
  }
  if (u != -1)
    cmbULDevice->setCurrentItem(u);
  if (d != -1)
    cmbDLDevice->setCurrentItem(d);
}

void QgsGPSPluginGui::populateLoadDialog() {

  QString format = QString("<p>%1</p><p>%2</p>");

  QString sentence1 = tr("GPX is the %1, which is used to store information about waypoints, routes, and tracks.").
    arg(QString("<a href=http://www.topografix.com/gpx.asp>%1</a>").arg(tr("GPS eXchange file format")));
  QString sentence2 = tr("Select a GPX file and then select the feature types that you want to load.");

  QString text = format.arg(sentence1).arg(sentence2);

  teLoadDescription->setHtml(text);
  QgsDebugMsg(text);
}

void QgsGPSPluginGui::populateDLDialog() {

  QString format = QString("<p>%1 %2 %3<p>%4 %5</p>");

  QString sentence1 = tr("This tool will help you download data from a GPS device.");
  QString sentence2 = tr("Choose your GPS device, the port it is connected to, the feature type you want to download, a name for your new layer, and the GPX file where you want to store the data.");
  QString sentence3 = tr("If your device isn't listed, or if you want to change some settings, you can also edit the devices.");
  QString sentence4 = tr("This tool uses the program GPSBabel (%1) to transfer the data.")
    .arg("<a href=\"http://www.gpsbabel.org\">http://www.gpsbabel.org</a>");
  
  QString sentence5 = tr("This requires that you have GPSBabel installed where QGIS can find it.");

  QString text = format.arg(sentence1).arg(sentence2).arg(sentence3).arg(sentence4).arg(sentence5);

  teDLDescription->setHtml(text);
  QgsDebugMsg(text);
}

void QgsGPSPluginGui::populateULDialog() {

  QString format = QString("<p>%1 %2 %3<p>%4 %5</p>");

  QString sentence1 = tr("This tool will help you upload data from a GPX layer to a GPS device.");
  QString sentence2 = tr("Choose the layer you want to upload, the device you want to upload it to, and the port your device is connected to.");
  QString sentence3 = tr("If your device isn't listed, or if you want to change some settings, you can also edit the devices.");
  QString sentence4 = tr("This tool uses the program GPSBabel (%1) to transfer the data.")
    .arg("<a href=\"http://www.gpsbabel.org\">http://www.gpsbabel.org</a>");
  
  QString sentence5 = tr("This requires that you have GPSBabel installed where QGIS can find it.");

  QString text = format.arg(sentence1).arg(sentence2).arg(sentence3).arg(sentence4).arg(sentence5);

  teULDescription->setHtml(text);
  QgsDebugMsg(text);
}

void QgsGPSPluginGui::populateIMPDialog() {

  QString format = QString("<p>%1 %2<p><p>%3 %4</p>");

  QString sentence1 = tr("QGIS can only load GPX files by itself, but many other formats can be converted to GPX using GPSBabel (%1).")
    .arg("<a href=\"http://www.gpsbabel.org\">http://www.gpsbabel.org</a>");
  QString sentence2 = tr("This requires that you have GPSBabel installed where QGIS can find it.");
  QString sentence3 = tr("Select a GPS file format and the file that you want to import, the feature type that you want to use, a GPX filename that you want to save the converted file as, and a name for the new layer.");
  QString sentence4 = tr("All file formats can not store waypoints, routes, and tracks, so some feature types may be disabled for some file formats.");

  QString text = format.arg(sentence1).arg(sentence2).arg(sentence3).arg(sentence4);

  teIMPDescription->setHtml(text);
  QgsDebugMsg(text);
}


void QgsGPSPluginGui::populateCONVDialog() {
  cmbCONVType->insertItem(tr("Routes") + " -> " + tr("Waypoints"));
  cmbCONVType->insertItem(tr("Waypoints") + " -> " + tr("Routes"));

  QString format = QString("<html><body><p>%1 %2<p>%3</body></html>");

  QString sentence1 = tr("QGIS can perform conversions of GPX files, by using GPSBabel (%1) to perform the conversions.")
    .arg("<a href=\"http://www.gpsbabel.org\">http://www.gpsbabel.org</a>");
  QString sentence2 = tr("This requires that you have GPSBabel installed where QGIS can find it.");
  QString sentence3 = tr("Select a GPX input file name, the type of conversion you want to perform, a GPX filename that you want to save the converted file as, and a name for the new layer created from the result.");

  QString text = format.arg(sentence1).arg(sentence2).arg(sentence3);

  teCONVDescription->setHtml(text);
  QgsDebugMsg(text);
}

void QgsGPSPluginGui::on_pbnCONVInput_clicked()
{
  QString myFileTypeQString;
  QString myFilterString=tr("GPS eXchange format (*.gpx)");
  QSettings settings;
  QString dir = settings.readEntry("/Plugin-GPS/gpxdirectory");
  if (dir.isEmpty())
    dir = ".";
  QString myFileNameQString = QFileDialog::getOpenFileName(
          this, //parent dialog
          tr("Select GPX file"), //caption
          dir, //initial dir
          myFilterString, //filters to select
          &myFileTypeQString); //the pointer to store selected filter
  if (!myFileNameQString.isEmpty())
    leCONVInput->setText(myFileNameQString);
}

void QgsGPSPluginGui::on_pbnCONVOutput_clicked() {
  QString myFileNameQString = 
    QFileDialog::getSaveFileName(this, //parent dialog
				 tr("Choose a filename to save under"),
                 ".", //initial dir
				 tr("GPS eXchange format (*.gpx)"));
  if (!myFileNameQString.isEmpty())
    leCONVOutput->setText(myFileNameQString);
}

void QgsGPSPluginGui::openDeviceEditor() {
  QgsGPSDeviceDialog* dlg = new QgsGPSDeviceDialog(mDevices);
  dlg->show();
  connect(dlg, SIGNAL(devicesChanged()), this, SLOT(devicesUpdated()));
}


void QgsGPSPluginGui::devicesUpdated() {
  populateIMPBabelFormats();
}


void QgsGPSPluginGui::on_buttonBox_helpRequested()
{
  QgsContextHelp::run(context_id);
}