예제 #1
0
  public void openDialog() {
    BaseMapLayer mainLayer = mapView.getMainLayer();
    if (!(mainLayer instanceof MapTileLayer) || !((MapTileLayer) mainLayer).isVisible()) {
      AccessibleToast.makeText(ctx, R.string.maps_could_not_be_downloaded, Toast.LENGTH_SHORT)
          .show();
    }
    final ITileSource mapSource = ((MapTileLayer) mainLayer).getMap();
    if (mapSource == null || !mapSource.couldBeDownloadedFromInternet()) {
      AccessibleToast.makeText(ctx, R.string.maps_could_not_be_downloaded, Toast.LENGTH_SHORT)
          .show();
      return;
    }
    final RotatedTileBox rb = mapView.getCurrentRotatedTileBox();
    final int max = mapSource.getMaximumZoomSupported();
    // get narrow zoom
    final int zoom = rb.getZoom();

    // calculate pixel rectangle
    AlertDialog.Builder builder = new AlertDialog.Builder(ctx);
    LayoutInflater inflater =
        (LayoutInflater) ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    View view = inflater.inflate(R.layout.download_tiles, null);

    ((TextView) view.findViewById(R.id.MinZoom)).setText(zoom + ""); // $NON-NLS-1$
    ((TextView) view.findViewById(R.id.MaxZoom)).setText(max + ""); // $NON-NLS-1$
    final SeekBar seekBar = (SeekBar) view.findViewById(R.id.ZoomToDownload);
    seekBar.setMax(max - zoom);
    seekBar.setProgress((max - zoom) / 2);

    final TextView downloadText = ((TextView) view.findViewById(R.id.DownloadDescription));
    final String template = ctx.getString(R.string.tiles_to_download_estimated_size);

    updateLabel(zoom, rb.getLatLonBounds(), downloadText, template, seekBar.getProgress());
    seekBar.setOnSeekBarChangeListener(
        new SeekBar.OnSeekBarChangeListener() {

          @Override
          public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
            updateLabel(zoom, rb.getLatLonBounds(), downloadText, template, progress);
          }

          @Override
          public void onStartTrackingTouch(SeekBar seekBar) {}

          @Override
          public void onStopTrackingTouch(SeekBar seekBar) {}
        });

    builder.setPositiveButton(
        R.string.shared_string_download,
        new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface dialog, int which) {
            dialog.dismiss();
            run(zoom, seekBar.getProgress(), rb.getLatLonBounds(), mapSource);
          }
        });
    builder.setNegativeButton(R.string.shared_string_cancel, null);
    builder.setView(view);
    builder.show();
  }
예제 #2
0
 @Override
 public int getMaximumZoomSupported() {
   getDatabase();
   return base != null ? base.getMaximumZoomSupported() : maxZoom;
 }