2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2009, Hein Ragas
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #include <glib/gstdio.h>
29 #include <glib/gprintf.h>
30 #include <glib/gi18n.h>
34 #include "curl_download.h"
36 #define GEONAMES_WIKIPEDIA_URL_FMT "http://ws.geonames.org/wikipediaBoundingBoxJSON?formatted=true&north=%s&south=%s&east=%s&west=%s"
37 #define GEONAMES_COUNTRY_PATTERN "\"countryName\": \""
38 #define GEONAMES_LONGITUDE_PATTERN "\"lng\": "
39 #define GEONAMES_NAME_PATTERN "\"name\": \""
40 #define GEONAMES_LATITUDE_PATTERN "\"lat\": "
41 #define GEONAMES_TITLE_PATTERN "\"title\": \""
42 #define GEONAMES_WIKIPEDIAURL_PATTERN "\"wikipediaUrl\": \""
43 #define GEONAMES_THUMBNAILIMG_PATTERN "\"thumbnailImg\": \""
44 #define GEONAMES_SEARCH_NOT_FOUND "not understand the location"
46 /* found_geoname: Type to contain data returned from GeoNames.org */
55 found_geoname *new_found_geoname()
59 ret = (found_geoname *)g_malloc(sizeof(found_geoname));
68 found_geoname *copy_found_geoname(found_geoname *src)
70 found_geoname *dest = new_found_geoname();
71 dest->name = g_strdup(src->name);
72 dest->country = g_strdup(src->country);
73 dest->ll.lat = src->ll.lat;
74 dest->ll.lon = src->ll.lon;
75 dest->desc = g_strdup(src->desc);
79 static void free_list_geonames(found_geoname *geoname, gpointer userdata)
81 g_free(geoname->name);
82 g_free(geoname->country);
83 g_free(geoname->desc);
86 void free_geoname_list(GList *found_places)
88 g_list_foreach(found_places, (GFunc)free_list_geonames, NULL);
89 g_list_free(found_places);
92 static void none_found(VikWindow *vw)
94 GtkWidget *dialog = NULL;
96 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, NULL );
97 gtk_window_set_title(GTK_WINDOW(dialog), _("Search"));
99 GtkWidget *search_label = gtk_label_new(_("No entries found!"));
100 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), search_label, FALSE, FALSE, 5 );
101 gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
102 gtk_widget_show_all(dialog);
104 gtk_dialog_run ( GTK_DIALOG(dialog) );
105 gtk_widget_destroy(dialog);
108 void buttonToggled(GtkCellRendererToggle* renderer, gchar* pathStr, gpointer data)
112 GtkTreePath* path = gtk_tree_path_new_from_string(pathStr);
113 gtk_tree_model_get_iter(GTK_TREE_MODEL (data), &iter, path);
114 gtk_tree_model_get(GTK_TREE_MODEL (data), &iter, 0, &enabled, -1);
116 gtk_tree_store_set(GTK_TREE_STORE (data), &iter, 0, enabled, -1);
119 GList *a_select_geoname_from_list(GtkWindow *parent, GList *geonames, gboolean multiple_selection_allowed, const gchar *title, const gchar *msg)
122 GtkCellRenderer *renderer;
123 GtkCellRenderer *toggle_render;
125 found_geoname *geoname;
126 gchar *latlon_string;
131 GtkWidget *dialog = gtk_dialog_new_with_buttons (title,
133 GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
139 /* When something is selected then OK */
140 gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
141 GtkWidget *response_w = NULL;
142 #if GTK_CHECK_VERSION (2, 20, 0)
143 /* Default to not apply - as initially nothing is selected! */
144 response_w = gtk_dialog_get_widget_for_response ( GTK_DIALOG(dialog), GTK_RESPONSE_REJECT );
146 GtkWidget *label = gtk_label_new ( msg );
148 if (multiple_selection_allowed)
150 store = gtk_tree_store_new(4, G_TYPE_BOOLEAN, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
154 store = gtk_tree_store_new(3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
156 GList *geoname_runner = geonames;
157 while (geoname_runner)
159 geoname = (found_geoname *)geoname_runner->data;
160 latlon_string = g_strdup_printf("(%f,%f)", geoname->ll.lat, geoname->ll.lon);
161 gtk_tree_store_append(store, &iter, NULL);
162 if (multiple_selection_allowed)
164 gtk_tree_store_set(store, &iter, 0, FALSE, 1, geoname->name, 2, geoname->country, 3, latlon_string, -1);
168 gtk_tree_store_set(store, &iter, 0, geoname->name, 1, geoname->country, 2, latlon_string, -1);
170 geoname_runner = g_list_next(geoname_runner);
171 g_free(latlon_string);
173 view = gtk_tree_view_new();
174 renderer = gtk_cell_renderer_text_new();
176 if (multiple_selection_allowed)
178 toggle_render = gtk_cell_renderer_toggle_new();
179 g_object_set(toggle_render, "activatable", TRUE, NULL);
180 g_signal_connect(toggle_render, "toggled", (GCallback) buttonToggled, GTK_TREE_MODEL(store));
181 gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Select", toggle_render, "active", column_runner, NULL);
184 gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Name", renderer, "text", column_runner, NULL);
186 gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Country", renderer, "text", column_runner, NULL);
188 gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Lat/Lon", renderer, "text", column_runner, NULL);
189 gtk_tree_view_set_headers_visible( GTK_TREE_VIEW(view), TRUE);
190 gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
191 gtk_tree_selection_set_mode( gtk_tree_view_get_selection(GTK_TREE_VIEW(view)),
192 multiple_selection_allowed ? GTK_SELECTION_MULTIPLE : GTK_SELECTION_BROWSE );
193 g_object_unref(store);
195 gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), label, FALSE, FALSE, 0);
196 gtk_widget_show ( label );
197 gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), view, FALSE, FALSE, 0);
198 gtk_widget_show ( view );
200 gtk_widget_grab_focus ( response_w );
201 while ( gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT )
203 GtkTreeSelection *selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(view));
204 GList *selected_geonames = NULL;
206 gtk_tree_model_get_iter_first( GTK_TREE_MODEL(store), &iter);
207 geoname_runner = geonames;
208 while (geoname_runner)
211 if (multiple_selection_allowed)
213 gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, 0, &checked, -1);
220 if (gtk_tree_selection_iter_is_selected(selection, &iter))
226 found_geoname *copied = copy_found_geoname(geoname_runner->data);
227 selected_geonames = g_list_prepend(selected_geonames, copied);
229 geoname_runner = g_list_next(geoname_runner);
230 gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter);
232 if (selected_geonames)
234 gtk_widget_destroy ( dialog );
235 return (selected_geonames);
237 a_dialog_error_msg(parent, _("Nothing was selected"));
239 gtk_widget_destroy ( dialog );
243 GList *get_entries_from_file(gchar *file_name)
248 gboolean more = TRUE;
249 gchar lat_buf[32], lon_buf[32];
252 GList *found_places = NULL;
253 found_geoname *geoname = NULL;
254 gchar **found_entries;
257 gchar *wikipedia_url = NULL;
258 gchar *thumbnail_url = NULL;
260 lat_buf[0] = lon_buf[0] = '\0';
262 if ((mf = g_mapped_file_new(file_name, FALSE, NULL)) == NULL) {
263 g_critical(_("couldn't map temp file"));
266 len = g_mapped_file_get_length(mf);
267 text = g_mapped_file_get_contents(mf);
269 if (g_strstr_len(text, len, GEONAMES_SEARCH_NOT_FOUND) != NULL) {
272 found_entries = g_strsplit(text, "},", 0);
274 entry = found_entries[entry_runner];
278 geoname = new_found_geoname();
279 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_COUNTRY_PATTERN))) {
280 pat += strlen(GEONAMES_COUNTRY_PATTERN);
283 while (*pat != '"') {
287 geoname -> country = g_strndup(s, fragment_len);
289 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_LONGITUDE_PATTERN)) == NULL) {
293 pat += strlen(GEONAMES_LONGITUDE_PATTERN);
297 while ((s < (lon_buf + sizeof(lon_buf))) && (pat < (text + len)) &&
298 (g_ascii_isdigit(*pat) || (*pat == '.')))
301 if ((pat >= (text + len)) || (lon_buf[0] == '\0')) {
304 geoname->ll.lon = g_ascii_strtod(lon_buf, NULL);
306 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_NAME_PATTERN))) {
307 pat += strlen(GEONAMES_NAME_PATTERN);
310 while (*pat != '"') {
314 geoname -> name = g_strndup(s, fragment_len);
316 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_TITLE_PATTERN))) {
317 pat += strlen(GEONAMES_TITLE_PATTERN);
320 while (*pat != '"') {
324 geoname -> name = g_strndup(s, fragment_len);
326 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_WIKIPEDIAURL_PATTERN))) {
327 pat += strlen(GEONAMES_WIKIPEDIAURL_PATTERN);
330 while (*pat != '"') {
334 wikipedia_url = g_strndup(s, fragment_len);
336 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_THUMBNAILIMG_PATTERN))) {
337 pat += strlen(GEONAMES_THUMBNAILIMG_PATTERN);
340 while (*pat != '"') {
344 thumbnail_url = g_strndup(s, fragment_len);
346 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_LATITUDE_PATTERN)) == NULL) {
350 pat += strlen(GEONAMES_LATITUDE_PATTERN);
354 while ((s < (lat_buf + sizeof(lat_buf))) && (pat < (text + len)) &&
355 (g_ascii_isdigit(*pat) || (*pat == '.')))
358 if ((pat >= (text + len)) || (lat_buf[0] == '\0')) {
361 geoname->ll.lat = g_ascii_strtod(lat_buf, NULL);
371 geoname -> desc = g_strdup_printf("<a href=\"http://%s\" target=\"_blank\"><img src=\"%s\" border=\"0\"/></a>", wikipedia_url, thumbnail_url);
374 geoname -> desc = g_strdup_printf("<a href=\"http://%s\" target=\"_blank\">%s</a>", wikipedia_url, geoname->name);
378 g_free(wikipedia_url);
379 wikipedia_url = NULL;
382 g_free(thumbnail_url);
383 thumbnail_url = NULL;
385 found_places = g_list_prepend(found_places, geoname);
388 entry = found_entries[entry_runner];
390 g_strfreev(found_entries);
391 found_places = g_list_reverse(found_places);
392 g_mapped_file_free(mf);
393 return(found_places);
397 gchar *download_url(gchar *uri)
403 if ((tmp_fd = g_file_open_tmp ("vikgsearch.XXXXXX", &tmpname, NULL)) == -1) {
404 g_critical(_("couldn't open temp file"));
407 tmp_file = fdopen(tmp_fd, "r+");
409 // TODO: curl may not be available
410 if (curl_download_uri(uri, tmp_file, NULL, 0, NULL)) { // error
422 void a_geonames_wikipedia_box(VikWindow *vw, VikTrwLayer *vtl, VikLayersPanel *vlp, struct LatLon maxmin[2])
429 VikWaypoint *wiki_wp;
430 found_geoname *wiki_geoname;
432 /* encode doubles in a C locale */
433 gchar *north = a_coords_dtostr(maxmin[0].lat);
434 gchar *south = a_coords_dtostr(maxmin[1].lat);
435 gchar *east = a_coords_dtostr(maxmin[0].lon);
436 gchar *west = a_coords_dtostr(maxmin[1].lon);
437 uri = g_strdup_printf(GEONAMES_WIKIPEDIA_URL_FMT, north, south, east, west);
438 g_free(north); north = NULL;
439 g_free(south); south = NULL;
440 g_free(east); east = NULL;
441 g_free(west); west = NULL;
442 tmpname = download_url(uri);
447 wiki_places = get_entries_from_file(tmpname);
448 if (g_list_length(wiki_places) == 0) {
452 selected = a_select_geoname_from_list(VIK_GTK_WINDOW_FROM_WIDGET(vw), wiki_places, TRUE, "Select articles", "Select the articles you want to add.");
453 wp_runner = selected;
455 wiki_geoname = (found_geoname *)wp_runner->data;
456 wiki_wp = vik_waypoint_new();
457 wiki_wp->visible = TRUE;
458 vik_coord_load_from_latlon(&(wiki_wp->coord), vik_trw_layer_get_coord_mode ( vtl ), &(wiki_geoname->ll));
459 vik_waypoint_set_comment(wiki_wp, wiki_geoname->desc);
460 vik_trw_layer_filein_add_waypoint ( vtl, wiki_geoname->name, wiki_wp );
461 wp_runner = g_list_next(wp_runner);
463 free_geoname_list(wiki_places);
464 free_geoname_list(selected);
469 vik_layers_panel_emit_update(vlp);