Beispiel #1
0
/**
 * vik_layers_panel_add_layer:
 * @l: existing layer
 * 
 * Add an existing layer to panel.
 */
void vik_layers_panel_add_layer ( VikLayersPanel *vlp, VikLayer *l )
{
  GtkTreeIter iter;
  GtkTreeIter *replace_iter = NULL;

  /* could be something different so we have to do this */
  vik_layer_change_coord_mode ( l, vik_viewport_get_coord_mode(vlp->vvp) );

  if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
    vik_aggregate_layer_add_layer ( vlp->toplayer, l );
  else
  {
    VikAggregateLayer *addtoagg;
    if (vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER )
    {
      if ( IS_VIK_AGGREGATE_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter )) )
         addtoagg = VIK_AGGREGATE_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter ));
      else {
       VikLayer *vl = VIK_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter ));
       while ( ! IS_VIK_AGGREGATE_LAYER(vl) ) {
         iter = vl->iter;
         vl = VIK_LAYER(vik_treeview_item_get_parent ( vlp->vt, &vl->iter ));
         g_assert ( vl->realized );
       }
       addtoagg = VIK_AGGREGATE_LAYER(vl);
       replace_iter = &iter;
      }
    }
    else
    {
      /* a sublayer is selected, first get its parent (layer), then find the layer's parent (aggr. layer) */
      VikLayer *vl = VIK_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter ));
      replace_iter = &(vl->iter);
      g_assert ( vl->realized );
      VikLayer *grandpa = (vik_treeview_item_get_parent ( vlp->vt, &(vl->iter) ) );
      if (IS_VIK_AGGREGATE_LAYER(grandpa))
        addtoagg = VIK_AGGREGATE_LAYER(grandpa);
      else {
        addtoagg = vlp->toplayer;
        replace_iter = &grandpa->iter;
      }
    }
    if ( replace_iter )
      vik_aggregate_layer_insert_layer ( addtoagg, l, replace_iter );
    else
      vik_aggregate_layer_add_layer ( addtoagg, l );
  }

  vik_layers_panel_emit_update ( vlp );
}
Beispiel #2
0
/**
 * Some common things to do on completion of a datasource process
 *  . Update layer
 *  . Update dialog info
 *  . Update main dsisplay
 */
static void on_complete_process (w_and_interface_t *wi)
{
  if (wi->w->running) {
    gtk_label_set_text ( GTK_LABEL(wi->w->status), _("Done.") );
    if ( wi->creating_new_layer ) {
      /* Only create the layer if it actually contains anything useful */
      // TODO: create function for this operation to hide detail:
      if ( ! vik_trw_layer_is_empty ( wi->vtl ) ) {
        vik_layer_post_read ( VIK_LAYER(wi->vtl), wi->w->vvp, TRUE );
        vik_aggregate_layer_add_layer( vik_layers_panel_get_top_layer(wi->w->vlp), VIK_LAYER(wi->vtl));
      }
      else
        gtk_label_set_text ( GTK_LABEL(wi->w->status), _("No data.") );
    }
    /* View this data if available and is desired */
    if ( wi->vtl && wi->w->source_interface->autoview ) {
      vik_trw_layer_auto_set_view ( wi->vtl, vik_layers_panel_get_viewport(wi->w->vlp) );
    }
    if ( wi->w->source_interface->keep_dialog_open ) {
      gtk_dialog_set_response_sensitive ( GTK_DIALOG(wi->w->dialog), GTK_RESPONSE_ACCEPT, TRUE );
      gtk_dialog_set_response_sensitive ( GTK_DIALOG(wi->w->dialog), GTK_RESPONSE_REJECT, FALSE );
    } else {
      gtk_dialog_response ( GTK_DIALOG(wi->w->dialog), GTK_RESPONSE_ACCEPT );
    }
    // Main display update
    if ( wi->vtl )
      vik_layers_panel_emit_update ( wi->w->vlp );
  } else {
    /* cancelled */
    if ( wi->creating_new_layer )
      g_object_unref(wi->vtl);
  }
}
Beispiel #3
0
/**
 * Load a single JPG into a Trackwaypoint Layer as a waypoint
 *
 * @top:      The Aggregate layer that a new TRW layer may be created in
 * @filename: The JPG filename
 * @vvp:      The viewport
 *
 * Returns: Whether the loading was a success or not
 *
 * If the JPG has geotag information then the waypoint will be created with the appropriate position.
 *  Otherwise the waypoint will be positioned at the current screen center.
 * If a TRW layer is already selected the waypoint will be created in that layer.
 */
gboolean a_jpg_load_file ( VikAggregateLayer *top, const gchar *filename, VikViewport *vvp )
{
	gboolean auto_zoom = TRUE;
	VikWindow *vw = (VikWindow *)(VIK_GTK_WINDOW_FROM_LAYER(VIK_LAYER(top)));
	VikLayersPanel *vlp = vik_window_layers_panel ( vw );
	// Auto load into TrackWaypoint layer if one is selected
	VikLayer *vtl = vik_layers_panel_get_selected ( vlp );

	gboolean create_layer = FALSE;
	if ( vtl == NULL || vtl->type != VIK_LAYER_TRW ) {
		// Create layer if necessary
		vtl = vik_layer_create ( VIK_LAYER_TRW, vvp, FALSE );
		vik_layer_rename ( vtl, a_file_basename ( filename ) );
		create_layer = TRUE;
	}

	gchar *name = NULL;
	VikWaypoint *wp = NULL;
#ifdef VIK_CONFIG_GEOTAG
	wp = a_geotag_create_waypoint_from_file ( filename, vik_viewport_get_coord_mode (vvp), &name );
#endif
	if ( wp ) {
		// Create name if geotag method didn't return one
		if ( !name )
			name = g_strdup ( a_file_basename ( filename ) );
		vik_trw_layer_filein_add_waypoint ( VIK_TRW_LAYER(vtl), name, wp );
		g_free ( name );
	}
	else {
		wp = vik_waypoint_new ();
		wp->visible = TRUE;
		vik_trw_layer_filein_add_waypoint ( VIK_TRW_LAYER(vtl), (gchar*) a_file_basename(filename), wp );
		vik_waypoint_set_image ( wp, filename );
		// Simply set position to the current center
		wp->coord = *( vik_viewport_get_center ( vvp ) );
		auto_zoom = FALSE;
	}

	// Complete the setup
	vik_layer_post_read ( vtl, vvp, TRUE );
	if ( create_layer )
		vik_aggregate_layer_add_layer ( top, vtl, FALSE );
	if ( auto_zoom )
		vik_trw_layer_auto_set_view ( VIK_TRW_LAYER(vtl), vvp );

	// ATM This routine can't fail
	return TRUE;
}
static gboolean datasource_osm_my_traces_process ( VikTrwLayer *vtl, const gchar *cmd, const gchar *extra, BabelStatusFunc status_cb, acq_dialog_widgets_t *adw, DownloadMapOptions *options_unused )
{
    //datasource_osm_my_traces_t *data = (datasource_osm_my_traces_t *)adw->user_data;

    gboolean result;

    gchar *user_pass = osm_get_login();

    DownloadMapOptions options = { FALSE, FALSE, NULL, 2, NULL, user_pass }; // Allow a couple of redirects

    xml_data *xd = g_malloc ( sizeof (xml_data) );
    //xd->xpath = g_string_new ( "" );
    xd->c_cdata = g_string_new ( "" );
    xd->current_tag = tt_unknown;
    xd->current_gpx_meta_data = new_gpx_meta_data_t();
    xd->list_of_gpx_meta_data = NULL;

    gchar *tmpname = a_download_uri_to_tmp_file ( DS_OSM_TRACES_GPX_FILES, &options );
    result = read_gpx_files_metadata_xml ( tmpname, xd );
    // Test already downloaded metadata file: eg:
    //result = read_gpx_files_metadata_xml ( "/tmp/viking-download.GI47PW", xd );

    if ( tmpname ) {
        g_remove ( tmpname );
        g_free ( tmpname );
    }

    if ( ! result )
        return FALSE;

    if ( g_list_length ( xd->list_of_gpx_meta_data ) == 0 ) {
        if (!vik_datasource_osm_my_traces_interface.is_thread)
            none_found ( GTK_WINDOW(adw->vw) );
        return FALSE;
    }

    xd->list_of_gpx_meta_data = g_list_reverse ( xd->list_of_gpx_meta_data );

    set_in_current_view_property ( vtl, adw->user_data, xd->list_of_gpx_meta_data );

    if (vik_datasource_osm_my_traces_interface.is_thread) gdk_threads_enter();
    GList *selected = select_from_list ( GTK_WINDOW(adw->vw), xd->list_of_gpx_meta_data, "Select GPS Traces", "Select the GPS traces you want to add." );
    if (vik_datasource_osm_my_traces_interface.is_thread) gdk_threads_leave();

    // If passed in on an existing layer - we will create everything into that.
    //  thus with many differing gpx's - this will combine all waypoints into this single layer!
    // Hence the preference is to create multiple layers
    //  and so this creation of the layers must be managed here

    gboolean create_new_layer = ( !vtl );

    // Only update the screen on the last layer acquired
    VikTrwLayer *vtl_last = vtl;
    gboolean got_something = FALSE;

    GList *selected_iterator = selected;
    while ( selected_iterator ) {

        VikTrwLayer *vtlX = vtl;

        if ( create_new_layer ) {
            // Have data but no layer - so create one
            vtlX = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, vik_window_viewport(adw->vw), NULL, FALSE ) );
            if ( ((gpx_meta_data_t*)selected_iterator->data)->name )
                vik_layer_rename ( VIK_LAYER ( vtlX ), ((gpx_meta_data_t*)selected_iterator->data)->name );
            else
                vik_layer_rename ( VIK_LAYER ( vtlX ), _("My OSM Traces") );
            vik_aggregate_layer_add_layer ( vik_layers_panel_get_top_layer (adw->vlp), VIK_LAYER(vtlX) );
        }

        result = FALSE;
        gint gpx_id = ((gpx_meta_data_t*)selected_iterator->data)->id;
        if ( gpx_id ) {
            gchar *url = g_strdup_printf ( DS_OSM_TRACES_GPX_URL_FMT, gpx_id );

            result = a_babel_convert_from_url ( vtlX, url, "gpx", status_cb, adw, &options );
            // TODO investigate using a progress bar:
            // http://developer.gnome.org/gtk/2.24/GtkProgressBar.html

            got_something = got_something || result;
            // TODO feedback to UI to inform which traces failed
            if ( !result )
                g_warning ( _("Unable to get trace: %s"), url );
        }

        if ( result ) {
            // Move to area of the track
            vik_trw_layer_auto_set_view ( vtlX, vik_window_viewport(adw->vw) );
            vik_layer_post_read ( VIK_LAYER(vtlX), vik_window_viewport(adw->vw), TRUE );
            vtl_last = vtlX;
        }
        else if ( create_new_layer ) {
            // Layer not needed as no data has been acquired
            g_object_unref ( vtlX );
        }

        selected_iterator = g_list_next ( selected_iterator );
    }

    // Free memory
    if ( xd->current_gpx_meta_data )
        free_gpx_meta_data ( xd->current_gpx_meta_data, NULL );
    g_free ( xd->current_gpx_meta_data );
    free_gpx_meta_data_list ( xd->list_of_gpx_meta_data );
    free_gpx_meta_data_list ( selected );
    g_free ( xd );
    g_free ( user_pass );

    // Would prefer to keep the update in acquire.c,
    //  however since we may create the layer - need to do the update here
    if ( got_something )
        vik_layer_emit_update ( VIK_LAYER(vtl_last) );

    // ATM The user is only informed if all getting *all* of the traces failed
    if ( selected )
        result = got_something;
    else
        // Process was cancelled but need to return that it proceeded as expected
        result = TRUE;

    return result;
}
Beispiel #5
0
VikLoadType_t a_file_load ( VikAggregateLayer *top, VikViewport *vp, const gchar *filename_or_uri )
{
  g_return_val_if_fail ( vp != NULL, LOAD_TYPE_READ_FAILURE );

  char *filename = (char *)filename_or_uri;
  if (strncmp(filename, "file://", 7) == 0) {
    // Consider replacing this with:
    // filename = g_filename_from_uri ( entry, NULL, NULL );
    // Since this doesn't support URIs properly (i.e. will failure if is it has %20 characters in it)
    filename = filename + 7;
    g_debug ( "Loading file %s from URI %s", filename, filename_or_uri );
  }
  FILE *f = xfopen ( filename );

  if ( ! f )
    return LOAD_TYPE_READ_FAILURE;

  VikLoadType_t load_answer = LOAD_TYPE_OTHER_SUCCESS;

  gchar *dirpath = g_path_get_dirname ( filename );
  // Attempt loading the primary file type first - our internal .vik file:
  if ( check_magic ( f, VIK_MAGIC ) )
  {
    if ( file_read ( top, f, dirpath, vp ) )
      load_answer = LOAD_TYPE_VIK_SUCCESS;
    else
      load_answer = LOAD_TYPE_VIK_FAILURE_NON_FATAL;
  }
  else if ( a_jpg_magic_check ( filename ) ) {
    if ( ! a_jpg_load_file ( top, filename, vp ) )
      load_answer = LOAD_TYPE_UNSUPPORTED_FAILURE;
  }
  else
  {
	// For all other file types which consist of tracks, routes and/or waypoints,
	//  must be loaded into a new TrackWaypoint layer (hence it be created)
    gboolean success = TRUE; // Detect load failures - mainly to remove the layer created as it's not required

    VikLayer *vtl = vik_layer_create ( VIK_LAYER_TRW, vp, FALSE );
    vik_layer_rename ( vtl, a_file_basename ( filename ) );

    // In fact both kml & gpx files start the same as they are in xml
    if ( a_file_check_ext ( filename, ".kml" ) && check_magic ( f, GPX_MAGIC ) ) {
      // Implicit Conversion
      if ( ! ( success = a_babel_convert_from ( VIK_TRW_LAYER(vtl), "-i kml", filename, NULL, NULL, NULL ) ) ) {
        load_answer = LOAD_TYPE_GPSBABEL_FAILURE;
      }
    }
    // NB use a extension check first, as a GPX file header may have a Byte Order Mark (BOM) in it
    //    - which currently confuses our check_magic function
    else if ( a_file_check_ext ( filename, ".gpx" ) || check_magic ( f, GPX_MAGIC ) ) {
      if ( ! ( success = a_gpx_read_file ( VIK_TRW_LAYER(vtl), f ) ) ) {
        load_answer = LOAD_TYPE_GPX_FAILURE;
      }
    }
    else {
      // Try final supported file type
      if ( ! ( success = a_gpspoint_read_file ( VIK_TRW_LAYER(vtl), f, dirpath ) ) ) {
        // Failure here means we don't know how to handle the file
        load_answer = LOAD_TYPE_UNSUPPORTED_FAILURE;
      }
    }
    g_free ( dirpath );

    // Clean up when we can't handle the file
    if ( ! success ) {
      // free up layer
      g_object_unref ( vtl );
    }
    else {
      // Complete the setup from the successful load
      vik_layer_post_read ( vtl, vp, TRUE );
      vik_aggregate_layer_add_layer ( top, vtl, FALSE );
      vik_trw_layer_auto_set_view ( VIK_TRW_LAYER(vtl), vp );
    }
  }
  xfclose(f);
  return load_answer;
}
Beispiel #6
0
/**
 * Read in a Viking file and return how successful the parsing was
 * ATM this will always work, in that even if there are parsing problems
 *  then there will be no new values to override the defaults
 *
 * TODO flow up line number(s) / error messages of problems encountered...
 *
 */
static gboolean file_read ( VikAggregateLayer *top, FILE *f, const gchar *dirpath, VikViewport *vp )
{
  Stack *stack;
  struct LatLon ll = { 0.0, 0.0 };
  gchar buffer[4096];
  gchar *line;
  guint16 len;
  long line_num = 0;

  VikLayerParam *params = NULL; /* for current layer, so we don't have to keep on looking up interface */
  guint8 params_count = 0;

  GHashTable *string_lists = g_hash_table_new(g_direct_hash,g_direct_equal);

  gboolean successful_read = TRUE;

  push(&stack);
  stack->under = NULL;
  stack->data = (gpointer) top;

  while ( fgets ( buffer, 4096, f ) )
  {
    line_num++;

    line = buffer;
    while ( *line == ' ' || *line =='\t' )
      line++;

    if ( line[0] == '#' )
      continue;
    

    len = strlen(line);
    if ( len > 0 && line[len-1] == '\n' )
      line[--len] = '\0';
    if ( len > 0 && line[len-1] == '\r' )
      line[--len] = '\0';

    if ( len == 0 )
      continue;


    if ( line[0] == '~' )
    {
      line++; len--;
      if ( *line == '\0' )
        continue;
      else if ( str_starts_with ( line, "Layer ", 6, TRUE ) )
      {
        int parent_type = VIK_LAYER(stack->data)->type;
        if ( ( ! stack->data ) || ((parent_type != VIK_LAYER_AGGREGATE) && (parent_type != VIK_LAYER_GPS)) )
        {
          successful_read = FALSE;
          g_warning ( "Line %ld: Layer command inside non-Aggregate Layer (type %d)", line_num, parent_type );
          push(&stack); /* inside INVALID layer */
          stack->data = NULL;
          continue;
        }
        else
        {
          VikLayerTypeEnum type = vik_layer_type_from_string ( line+6 );
          push(&stack);
          if ( type == VIK_LAYER_NUM_TYPES )
          {
            successful_read = FALSE;
            g_warning ( "Line %ld: Unknown type %s", line_num, line+6 );
            stack->data = NULL;
          }
          else if (parent_type == VIK_LAYER_GPS)
          {
            stack->data = (gpointer) vik_gps_layer_get_a_child(VIK_GPS_LAYER(stack->under->data));
            params = vik_layer_get_interface(type)->params;
            params_count = vik_layer_get_interface(type)->params_count;
          }
          else
          {
            stack->data = (gpointer) vik_layer_create ( type, vp, FALSE );
            params = vik_layer_get_interface(type)->params;
            params_count = vik_layer_get_interface(type)->params_count;
          }
        }
      }
      else if ( str_starts_with ( line, "EndLayer", 8, FALSE ) )
      {
        if ( stack->under == NULL ) {
          successful_read = FALSE;
          g_warning ( "Line %ld: Mismatched ~EndLayer command", line_num );
        }
        else
        {
          /* add any string lists we've accumulated */
          gpointer layer_and_vp[2];
          layer_and_vp[0] = stack->data;
          layer_and_vp[1] = vp;
          g_hash_table_foreach ( string_lists, (GHFunc) string_list_set_param, layer_and_vp );
          g_hash_table_remove_all ( string_lists );

          if ( stack->data && stack->under->data )
          {
            if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_AGGREGATE) {
              vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data), FALSE );
              vik_layer_post_read ( VIK_LAYER(stack->data), vp, TRUE );
            }
            else if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_GPS) {
              /* TODO: anything else needs to be done here ? */
            }
            else {
              successful_read = FALSE;
              g_warning ( "Line %ld: EndLayer command inside non-Aggregate Layer (type %d)", line_num, VIK_LAYER(stack->data)->type );
            }
          }
          pop(&stack);
        }
      }
      else if ( str_starts_with ( line, "LayerData", 9, FALSE ) )
      {
        if ( stack->data && vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data )
        {
          /* must read until hits ~EndLayerData */
          if ( ! vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ( VIK_LAYER(stack->data), f, dirpath ) )
            successful_read = FALSE;
        }
        else
        { /* simply skip layer data over */
          while ( fgets ( buffer, 4096, f ) )
          {
            line_num++;

            line = buffer;

            len = strlen(line);
            if ( len > 0 && line[len-1] == '\n' )
              line[--len] = '\0';
            if ( len > 0 && line[len-1] == '\r' )
              line[--len] = '\0';
            if ( strcasecmp ( line, "~EndLayerData" ) == 0 )
              break;
          }
          continue;
        }
      }
      else
      {
        successful_read = FALSE;
        g_warning ( "Line %ld: Unknown tilde command", line_num );
      }
    }
    else
    {
      gint32 eq_pos = -1;
      guint16 i;
      if ( ! stack->data )
        continue;

      for ( i = 0; i < len; i++ )
        if ( line[i] == '=' )
          eq_pos = i;

      if ( stack->under == NULL && eq_pos == 12 && strncasecmp ( line, "FILE_VERSION", eq_pos ) == 0) {
        gint version = strtol(line+13, NULL, 10);
        g_debug ( "%s: reading file version %d", __FUNCTION__, version );
        if ( version > VIKING_FILE_VERSION )
          successful_read = FALSE;
        // However we'll still carry and attempt to read whatever we can
      }
      else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "xmpp", eq_pos ) == 0) /* "hard coded" params: global & for all layer-types */
        vik_viewport_set_xmpp ( VIK_VIEWPORT(vp), strtod ( line+5, NULL ) );
      else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "ympp", eq_pos ) == 0)
        vik_viewport_set_ympp ( VIK_VIEWPORT(vp), strtod ( line+5, NULL ) );
      else if ( stack->under == NULL && eq_pos == 3 && strncasecmp ( line, "lat", eq_pos ) == 0 )
        ll.lat = strtod ( line+4, NULL );
      else if ( stack->under == NULL && eq_pos == 3 && strncasecmp ( line, "lon", eq_pos ) == 0 )
        ll.lon = strtod ( line+4, NULL );
      else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "utm" ) == 0)
        vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_UTM);
      else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "expedia" ) == 0)
        vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_EXPEDIA );
      else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "google" ) == 0)
      {
        successful_read = FALSE;
        g_warning ( _("Draw mode '%s' no more supported"), "google" );
      }
      else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "kh" ) == 0)
      {
        successful_read = FALSE;
        g_warning ( _("Draw mode '%s' no more supported"), "kh" );
      }
      else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "mercator" ) == 0)
        vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_MERCATOR );
      else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "latlon" ) == 0)
        vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_LATLON );
      else if ( stack->under == NULL && eq_pos == 5 && strncasecmp ( line, "color", eq_pos ) == 0 )
        vik_viewport_set_background_color ( VIK_VIEWPORT(vp), line+6 );
      else if ( stack->under == NULL && eq_pos == 14 && strncasecmp ( line, "highlightcolor", eq_pos ) == 0 )
        vik_viewport_set_highlight_color ( VIK_VIEWPORT(vp), line+15 );
      else if ( stack->under == NULL && eq_pos == 9 && strncasecmp ( line, "drawscale", eq_pos ) == 0 )
        vik_viewport_set_draw_scale ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+10) );
      else if ( stack->under == NULL && eq_pos == 14 && strncasecmp ( line, "drawcentermark", eq_pos ) == 0 )
        vik_viewport_set_draw_centermark ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+15) );
      else if ( stack->under == NULL && eq_pos == 13 && strncasecmp ( line, "drawhighlight", eq_pos ) == 0 )
        vik_viewport_set_draw_highlight ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+14) );
      else if ( stack->under && eq_pos == 4 && strncasecmp ( line, "name", eq_pos ) == 0 )
        vik_layer_rename ( VIK_LAYER(stack->data), line+5 );
      else if ( eq_pos == 7 && strncasecmp ( line, "visible", eq_pos ) == 0 )
        VIK_LAYER(stack->data)->visible = TEST_BOOLEAN(line+8);
      else if ( eq_pos != -1 && stack->under )
      {
        gboolean found_match = FALSE;

        /* go thru layer params. if len == eq_pos && starts_with jazz, set it. */
        /* also got to check for name and visible. */

        if ( ! params )
        {
          successful_read = FALSE;
          g_warning ( "Line %ld: No options for this kind of layer", line_num );
          continue;
        }

        for ( i = 0; i < params_count; i++ )
          if ( strlen(params[i].name) == eq_pos && strncasecmp ( line, params[i].name, eq_pos ) == 0 )
          {
            VikLayerParamData x;
            line += eq_pos+1;
            if ( params[i].type == VIK_LAYER_PARAM_STRING_LIST ) {
              GList *l = g_list_append ( g_hash_table_lookup ( string_lists, GINT_TO_POINTER ((gint) i) ), 
					 g_strdup(line) );
              g_hash_table_replace ( string_lists, GINT_TO_POINTER ((gint)i), l );
              /* add the value to a list, possibly making a new list.
               * this will be passed to the layer when we read an ~EndLayer */
            } else {
              switch ( params[i].type )
              {
                case VIK_LAYER_PARAM_DOUBLE: x.d = strtod(line, NULL); break;
                case VIK_LAYER_PARAM_UINT: x.u = strtoul(line, NULL, 10); break;
                case VIK_LAYER_PARAM_INT: x.i = strtol(line, NULL, 10); break;
	        case VIK_LAYER_PARAM_BOOLEAN: x.b = TEST_BOOLEAN(line); break;
                case VIK_LAYER_PARAM_COLOR: memset(&(x.c), 0, sizeof(x.c)); /* default: black */
                                          gdk_color_parse ( line, &(x.c) ); break;
                /* STRING or STRING_LIST -- if STRING_LIST, just set param to add a STRING */
                default: x.s = line;
              }
              vik_layer_set_param ( VIK_LAYER(stack->data), i, x, vp, TRUE );
            }
            found_match = TRUE;
            break;
          }
        if ( ! found_match ) {
          // ATM don't flow up this issue because at least one internal parameter has changed from version 1.3
          //   and don't what to worry users about raising such issues
          // TODO Maybe hold old values here - compare the line value against them and if a match
          //       generate a different style of message in the GUI...
          // successful_read = FALSE;
          g_warning ( "Line %ld: Unknown parameter. Line:\n%s", line_num, line );
	}
      }
      else {
        successful_read = FALSE;
        g_warning ( "Line %ld: Invalid parameter or parameter outside of layer.", line_num );
      }
    }
/* could be:
[Layer Type=Bla]
[EndLayer]
[LayerData]
name=this
#comment
*/
  }

  while ( stack )
  {
    if ( stack->under && stack->under->data && stack->data )
    {
      vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data), FALSE );
      vik_layer_post_read ( VIK_LAYER(stack->data), vp, TRUE );
    }
    pop(&stack);
  }

  if ( ll.lat != 0.0 || ll.lon != 0.0 )
    vik_viewport_set_center_latlon ( VIK_VIEWPORT(vp), &ll, TRUE );

  if ( ( ! VIK_LAYER(top)->visible ) && VIK_LAYER(top)->realized )
    vik_treeview_item_set_visible ( VIK_LAYER(top)->vt, &(VIK_LAYER(top)->iter), FALSE ); 

  /* delete anything we've forgotten about -- should only happen when file ends before an EndLayer */
  g_hash_table_foreach ( string_lists, string_list_delete, NULL );
  g_hash_table_destroy ( string_lists );

  return successful_read;
}
Beispiel #7
0
/* this routine is the worker thread.  there is only one simultaneous download allowed */
static void get_from_anything ( w_and_interface_t *wi )
{
    gchar *cmd = wi->cmd;
    gchar *extra = wi->extra;
    gboolean result = TRUE;
    VikTrwLayer *vtl = NULL;

    gboolean creating_new_layer = TRUE;

    acq_dialog_widgets_t *w = wi->w;
    VikDataSourceInterface *source_interface = wi->w->source_interface;
    g_free ( wi );
    wi = NULL;

    gdk_threads_enter();
    if (source_interface->mode == VIK_DATASOURCE_ADDTOLAYER) {
        VikLayer *current_selected = vik_layers_panel_get_selected ( w->vlp );
        if ( IS_VIK_TRW_LAYER(current_selected) ) {
            vtl = VIK_TRW_LAYER(current_selected);
            creating_new_layer = FALSE;
        }
    }
    if ( creating_new_layer ) {
        vtl = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, w->vvp, NULL, FALSE ) );
        vik_layer_rename ( VIK_LAYER ( vtl ), _(source_interface->layer_title) );
        gtk_label_set_text ( GTK_LABEL(w->status), _("Working...") );
    }
    gdk_threads_leave();

    switch ( source_interface->type ) {
    case VIK_DATASOURCE_GPSBABEL_DIRECT:
        result = a_babel_convert_from (vtl, cmd, (BabelStatusFunc) progress_func, extra, w);
        break;
    case VIK_DATASOURCE_URL:
        result = a_babel_convert_from_url (vtl, cmd, extra, (BabelStatusFunc) progress_func, w);
        break;
    case VIK_DATASOURCE_SHELL_CMD:
        result = a_babel_convert_from_shellcommand ( vtl, cmd, extra, (BabelStatusFunc) progress_func, w);
        break;
    default:
        g_critical("Houston, we've had a problem.");
    }

    g_free ( cmd );
    g_free ( extra );

    if (!result) {
        gdk_threads_enter();
        gtk_label_set_text ( GTK_LABEL(w->status), _("Error: acquisition failed.") );
        if ( creating_new_layer )
            g_object_unref ( G_OBJECT ( vtl ) );
        gdk_threads_leave();
    }
    else {
        gdk_threads_enter();
        if (w->ok) {
            gtk_label_set_text ( GTK_LABEL(w->status), _("Done.") );
            if ( creating_new_layer ) {
                /* Only create the layer if it actually contains anything useful */
                if ( g_hash_table_size (vik_trw_layer_get_tracks(vtl)) ||
                        g_hash_table_size (vik_trw_layer_get_waypoints(vtl)) )
                    vik_aggregate_layer_add_layer( vik_layers_panel_get_top_layer(w->vlp), VIK_LAYER(vtl));
                else
                    gtk_label_set_text ( GTK_LABEL(w->status), _("No data.") );
            }
            /* View this data if available and is desired */
            if ( vtl && source_interface->autoview ) {
                vik_trw_layer_auto_set_view ( vtl, vik_layers_panel_get_viewport(w->vlp) );
                vik_layers_panel_emit_update (w->vlp);
            }
            if ( source_interface->keep_dialog_open ) {
                gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_ACCEPT, TRUE );
                gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_REJECT, FALSE );
            } else {
                gtk_dialog_response ( GTK_DIALOG(w->dialog), GTK_RESPONSE_ACCEPT );
            }
        } else {
            /* canceled */
            if ( creating_new_layer )
                g_object_unref(vtl);
        }
    }
    if ( source_interface->cleanup_func )
        source_interface->cleanup_func ( w->user_data );

    if ( w->ok ) {
        w->ok = FALSE;
    } else {
        g_free ( w );
    }

    gdk_threads_leave();
    g_thread_exit ( NULL );
}