2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2009, Hein Ragas
5 * Copyright (C) 2013, Rob Norris <rw_norris@hotmail.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #include <glib/gstdio.h>
30 #include <glib/gprintf.h>
31 #include <glib/gi18n.h>
34 #include "geonamessearch.h"
37 #if ! GLIB_CHECK_VERSION(2,22,0)
38 #define g_mapped_file_unref g_mapped_file_free
41 // TODO - offer configuration of this value somewhere
42 // ATM decided it's not essential enough to warrant putting in the preferences
43 #define GEONAMES_MAX_ENTRIES 20
45 #define GEONAMES_WIKIPEDIA_URL_FMT "http://api.geonames.org/wikipediaBoundingBoxJSON?formatted=true&north=%s&south=%s&east=%s&west=%s&lang=%s&maxRows=%d&username="VIK_CONFIG_GEONAMES_USERNAME
47 #define GEONAMES_FEATURE_PATTERN "\"feature\": \""
48 #define GEONAMES_LONGITUDE_PATTERN "\"lng\": "
49 #define GEONAMES_NAME_PATTERN "\"name\": \""
50 #define GEONAMES_LATITUDE_PATTERN "\"lat\": "
51 #define GEONAMES_ELEVATION_PATTERN "\"elevation\": "
52 #define GEONAMES_TITLE_PATTERN "\"title\": \""
53 #define GEONAMES_WIKIPEDIAURL_PATTERN "\"wikipediaUrl\": \""
54 #define GEONAMES_THUMBNAILIMG_PATTERN "\"thumbnailImg\": \""
55 #define GEONAMES_SEARCH_NOT_FOUND "not understand the location"
57 /* found_geoname: Type to contain data returned from GeoNames.org */
68 static found_geoname *new_found_geoname()
72 ret = (found_geoname *)g_malloc(sizeof(found_geoname));
79 ret->elevation = VIK_DEFAULT_ALTITUDE;
83 static found_geoname *copy_found_geoname(found_geoname *src)
85 found_geoname *dest = new_found_geoname();
86 dest->name = g_strdup(src->name);
87 dest->feature = g_strdup(src->feature);
88 dest->ll.lat = src->ll.lat;
89 dest->ll.lon = src->ll.lon;
90 dest->elevation = src->elevation;
91 dest->cmt = g_strdup(src->cmt);
92 dest->desc = g_strdup(src->desc);
96 static void free_list_geonames(found_geoname *geoname, gpointer userdata)
98 g_free(geoname->name);
99 g_free(geoname->feature);
100 g_free(geoname->cmt);
101 g_free(geoname->desc);
104 static void free_geoname_list(GList *found_places)
106 g_list_foreach(found_places, (GFunc)free_list_geonames, NULL);
107 g_list_free(found_places);
110 static void none_found(VikWindow *vw)
112 GtkWidget *dialog = NULL;
114 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, NULL );
115 gtk_window_set_title(GTK_WINDOW(dialog), _("Search"));
117 GtkWidget *search_label = gtk_label_new(_("No entries found!"));
118 gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), search_label, FALSE, FALSE, 5 );
119 gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
120 gtk_widget_show_all(dialog);
122 gtk_dialog_run ( GTK_DIALOG(dialog) );
123 gtk_widget_destroy(dialog);
126 static GList *a_select_geoname_from_list(GtkWindow *parent, GList *geonames, gboolean multiple_selection_allowed, const gchar *title, const gchar *msg)
129 GtkCellRenderer *renderer;
131 found_geoname *geoname;
132 gchar *latlon_string;
135 GtkWidget *dialog = gtk_dialog_new_with_buttons (title,
137 GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
143 /* When something is selected then OK */
144 gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
145 GtkWidget *response_w = NULL;
146 #if GTK_CHECK_VERSION (2, 20, 0)
147 /* Default to not apply - as initially nothing is selected! */
148 response_w = gtk_dialog_get_widget_for_response ( GTK_DIALOG(dialog), GTK_RESPONSE_REJECT );
150 GtkWidget *label = gtk_label_new ( msg );
151 GtkTreeStore *store = gtk_tree_store_new(3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
153 GList *geoname_runner = geonames;
154 while (geoname_runner)
156 geoname = (found_geoname *)geoname_runner->data;
157 latlon_string = g_strdup_printf("(%f,%f)", geoname->ll.lat, geoname->ll.lon);
158 gtk_tree_store_append(store, &iter, NULL);
159 gtk_tree_store_set(store, &iter, 0, geoname->name, 1, geoname->feature, 2, latlon_string, -1);
160 geoname_runner = g_list_next(geoname_runner);
161 g_free(latlon_string);
164 view = gtk_tree_view_new();
165 renderer = gtk_cell_renderer_text_new();
167 GtkTreeViewColumn *column;
168 // NB could allow columns to be shifted around by doing this after each new
169 // gtk_tree_view_column_set_reorderable ( column, TRUE );
170 // However I don't think is that useful, so I haven't put it in
171 column = gtk_tree_view_column_new_with_attributes( _("Name"), renderer, "text", column_runner, NULL);
172 gtk_tree_view_column_set_sort_column_id (column, column_runner);
173 gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
176 column = gtk_tree_view_column_new_with_attributes( _("Feature"), renderer, "text", column_runner, NULL);
177 gtk_tree_view_column_set_sort_column_id (column, column_runner);
178 gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
181 column = gtk_tree_view_column_new_with_attributes( _("Lat/Lon"), renderer, "text", column_runner, NULL);
182 gtk_tree_view_column_set_sort_column_id (column, column_runner);
183 gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
185 gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
186 gtk_tree_selection_set_mode( gtk_tree_view_get_selection(GTK_TREE_VIEW(view)),
187 multiple_selection_allowed ? GTK_SELECTION_MULTIPLE : GTK_SELECTION_BROWSE );
188 g_object_unref(store);
190 GtkWidget *scrolledwindow = gtk_scrolled_window_new ( NULL, NULL );
191 gtk_scrolled_window_set_policy ( GTK_SCROLLED_WINDOW(scrolledwindow), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC );
192 gtk_container_add ( GTK_CONTAINER(scrolledwindow), view );
194 gtk_box_pack_start (GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), label, FALSE, FALSE, 0);
195 gtk_box_pack_start (GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), scrolledwindow, TRUE, TRUE, 0);
197 // Ensure a reasonable number of items are shown, but let the width be automatically sized
198 gtk_widget_set_size_request ( dialog, -1, 400) ;
199 gtk_widget_show_all ( dialog );
202 gtk_widget_grab_focus ( response_w );
204 while ( gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT )
206 GtkTreeSelection *selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(view));
207 GList *selected_geonames = NULL;
209 // Possibily not the fastest method but we don't have thousands of entries to process...
210 if ( gtk_tree_model_get_iter_first( GTK_TREE_MODEL(store), &iter) ) {
212 if ( gtk_tree_selection_iter_is_selected ( selection, &iter ) ) {
213 // For every selected item,
214 // compare the name from the displayed view to every geoname entry to find the geoname this selection represents
216 gtk_tree_model_get (GTK_TREE_MODEL(store), &iter, 0, &name, -1 );
217 // I believe the name of these items to be always unique
218 geoname_runner = geonames;
219 while ( geoname_runner ) {
220 if ( !strcmp ( ((found_geoname*)geoname_runner->data)->name, name ) ) {
221 found_geoname *copied = copy_found_geoname(geoname_runner->data);
222 selected_geonames = g_list_prepend(selected_geonames, copied);
225 geoname_runner = g_list_next(geoname_runner);
230 while ( gtk_tree_model_iter_next ( GTK_TREE_MODEL(store), &iter ) );
233 if (selected_geonames)
235 gtk_widget_destroy ( dialog );
236 return selected_geonames;
238 a_dialog_error_msg(parent, _("Nothing was selected"));
240 gtk_widget_destroy ( dialog );
244 static GList *get_entries_from_file(gchar *file_name)
249 gboolean more = TRUE;
250 gchar lat_buf[32], lon_buf[32], elev_buf[32];
253 GList *found_places = NULL;
254 found_geoname *geoname = NULL;
255 gchar **found_entries;
258 gchar *wikipedia_url = NULL;
259 gchar *thumbnail_url = NULL;
261 lat_buf[0] = lon_buf[0] = elev_buf[0] = '\0';
263 if ((mf = g_mapped_file_new(file_name, FALSE, NULL)) == NULL) {
264 g_critical(_("couldn't map temp file"));
267 len = g_mapped_file_get_length(mf);
268 text = g_mapped_file_get_contents(mf);
270 if (g_strstr_len(text, len, GEONAMES_SEARCH_NOT_FOUND) != NULL) {
273 found_entries = g_strsplit(text, "},", 0);
275 entry = found_entries[entry_runner];
279 geoname = new_found_geoname();
280 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_FEATURE_PATTERN))) {
281 pat += strlen(GEONAMES_FEATURE_PATTERN);
284 while (*pat != '"') {
288 geoname->feature = g_strndup(s, fragment_len);
290 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_LONGITUDE_PATTERN)) == NULL) {
294 pat += strlen(GEONAMES_LONGITUDE_PATTERN);
298 while ((s < (lon_buf + sizeof(lon_buf))) && (pat < (text + len)) &&
299 (g_ascii_isdigit(*pat) || (*pat == '.')))
302 if ((pat >= (text + len)) || (lon_buf[0] == '\0')) {
305 geoname->ll.lon = g_ascii_strtod(lon_buf, NULL);
307 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_ELEVATION_PATTERN))) {
308 pat += strlen(GEONAMES_ELEVATION_PATTERN);
312 while ((s < (elev_buf + sizeof(elev_buf))) && (pat < (text + len)) &&
313 (g_ascii_isdigit(*pat) || (*pat == '.')))
316 geoname->elevation = g_ascii_strtod(elev_buf, NULL);
318 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_NAME_PATTERN))) {
319 pat += strlen(GEONAMES_NAME_PATTERN);
322 while (*pat != '"') {
326 geoname -> name = g_strndup(s, fragment_len);
328 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_TITLE_PATTERN))) {
329 pat += strlen(GEONAMES_TITLE_PATTERN);
332 while (*pat != '"') {
336 geoname -> name = g_strndup(s, fragment_len);
338 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_WIKIPEDIAURL_PATTERN))) {
339 pat += strlen(GEONAMES_WIKIPEDIAURL_PATTERN);
342 while (*pat != '"') {
346 wikipedia_url = g_strndup(s, fragment_len);
348 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_THUMBNAILIMG_PATTERN))) {
349 pat += strlen(GEONAMES_THUMBNAILIMG_PATTERN);
352 while (*pat != '"') {
356 thumbnail_url = g_strndup(s, fragment_len);
358 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_LATITUDE_PATTERN)) == NULL) {
362 pat += strlen(GEONAMES_LATITUDE_PATTERN);
366 while ((s < (lat_buf + sizeof(lat_buf))) && (pat < (text + len)) &&
367 (g_ascii_isdigit(*pat) || (*pat == '.')))
370 if ((pat >= (text + len)) || (lat_buf[0] == '\0')) {
373 geoname->ll.lat = g_ascii_strtod(lat_buf, NULL);
382 // Really we should support the GPX URL tag and then put that in there...
383 geoname->cmt = g_strdup_printf("http://%s", wikipedia_url);
385 geoname -> desc = g_strdup_printf("<a href=\"http://%s\" target=\"_blank\"><img src=\"%s\" border=\"0\"/></a>", wikipedia_url, thumbnail_url);
388 geoname -> desc = g_strdup_printf("<a href=\"http://%s\" target=\"_blank\">%s</a>", wikipedia_url, geoname->name);
392 g_free(wikipedia_url);
393 wikipedia_url = NULL;
396 g_free(thumbnail_url);
397 thumbnail_url = NULL;
399 found_places = g_list_prepend(found_places, geoname);
402 entry = found_entries[entry_runner];
404 g_strfreev(found_entries);
405 found_places = g_list_reverse(found_places);
406 g_mapped_file_unref(mf);
407 return(found_places);
410 void a_geonames_wikipedia_box ( VikWindow *vw, VikTrwLayer *vtl, struct LatLon maxmin[2] )
417 VikWaypoint *wiki_wp;
418 found_geoname *wiki_geoname;
421 * See http://www.geonames.org/export/wikipedia-webservice.html#wikipediaBoundingBox
423 // Wikipedia articles supported languages are de,en,es,fr,it,nl,pl,pt,ru,zh (default = en)
424 gboolean got_language = FALSE;
425 const gchar *language = g_getenv("LANGUAGE");
426 gchar lang[3] = "en";
427 if (strlen(language) > 1) {
430 language = g_getenv("LANG");
431 if (strlen(language) > 1)
434 if ( got_language ) {
435 lang[0] = language[0];
436 lang[1] = language[1];
439 /* encode doubles in a C locale */
440 gchar *north = a_coords_dtostr(maxmin[0].lat);
441 gchar *south = a_coords_dtostr(maxmin[1].lat);
442 gchar *east = a_coords_dtostr(maxmin[0].lon);
443 gchar *west = a_coords_dtostr(maxmin[1].lon);
444 uri = g_strdup_printf ( GEONAMES_WIKIPEDIA_URL_FMT, north, south, east, west, lang, GEONAMES_MAX_ENTRIES );
445 g_free(north); north = NULL;
446 g_free(south); south = NULL;
447 g_free(east); east = NULL;
448 g_free(west); west = NULL;
449 tmpname = a_download_uri_to_tmp_file ( uri, NULL );
454 wiki_places = get_entries_from_file(tmpname);
455 if (g_list_length(wiki_places) == 0) {
459 selected = a_select_geoname_from_list(VIK_GTK_WINDOW_FROM_WIDGET(vw), wiki_places, TRUE, _("Select articles"), _("Select the articles you want to add."));
460 wp_runner = selected;
462 wiki_geoname = (found_geoname *)wp_runner->data;
463 wiki_wp = vik_waypoint_new();
464 wiki_wp->visible = TRUE;
465 vik_coord_load_from_latlon(&(wiki_wp->coord), vik_trw_layer_get_coord_mode ( vtl ), &(wiki_geoname->ll));
466 wiki_wp->altitude = wiki_geoname->elevation;
467 vik_waypoint_set_comment(wiki_wp, wiki_geoname->cmt);
468 vik_waypoint_set_description(wiki_wp, wiki_geoname->desc);
469 // Use the featue type to generate a suitable waypoint icon
470 // http://www.geonames.org/wikipedia/wikipedia_features.html
471 // Only a few values supported as only a few symbols make sense
472 // The feature name may not be translated
473 // Double check the english and the translated
474 if ( wiki_geoname->feature ) {
475 if ( !strcmp (wiki_geoname->feature, "city") || !strcmp (wiki_geoname->feature, _("city")))
476 vik_waypoint_set_symbol(wiki_wp, "city (medium)");
477 if ( !strcmp (wiki_geoname->feature, "edu") || !strcmp (wiki_geoname->feature, _("edu")))
478 vik_waypoint_set_symbol(wiki_wp, "school");
479 if ( !strcmp (wiki_geoname->feature, "airport") || !strcmp (wiki_geoname->feature, _("airport")))
480 vik_waypoint_set_symbol(wiki_wp, "airport");
481 if ( !strcmp (wiki_geoname->feature, "mountain") || !strcmp (wiki_geoname->feature, _("mountain")))
482 vik_waypoint_set_symbol(wiki_wp, "summit");
483 if ( !strcmp (wiki_geoname->feature, "forest") || !strcmp (wiki_geoname->feature, _("forest")))
484 vik_waypoint_set_symbol(wiki_wp, "forest");
485 if ( !strcmp (wiki_geoname->feature, "church") || !strcmp (wiki_geoname->feature, _("church")))
486 vik_waypoint_set_symbol(wiki_wp, "church");
488 vik_trw_layer_filein_add_waypoint ( vtl, wiki_geoname->name, wiki_wp );
489 wp_runner = g_list_next(wp_runner);
491 free_geoname_list(wiki_places);
492 free_geoname_list(selected);
495 (void)util_remove(tmpname);