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_widget_show_all(dialog);
103 gtk_dialog_run ( GTK_DIALOG(dialog) );
104 gtk_widget_destroy(dialog);
107 void buttonToggled(GtkCellRendererToggle* renderer, gchar* pathStr, gpointer data)
111 GtkTreePath* path = gtk_tree_path_new_from_string(pathStr);
112 gtk_tree_model_get_iter(GTK_TREE_MODEL (data), &iter, path);
113 gtk_tree_model_get(GTK_TREE_MODEL (data), &iter, 0, &enabled, -1);
115 gtk_tree_store_set(GTK_TREE_STORE (data), &iter, 0, enabled, -1);
118 GList *a_select_geoname_from_list(GtkWindow *parent, GList *geonames, gboolean multiple_selection_allowed, const gchar *title, const gchar *msg)
121 GtkCellRenderer *renderer;
122 GtkCellRenderer *toggle_render;
124 found_geoname *geoname;
125 gchar *latlon_string;
130 GtkWidget *dialog = gtk_dialog_new_with_buttons (title,
132 GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
138 GtkWidget *label = gtk_label_new ( msg );
140 if (multiple_selection_allowed)
142 store = gtk_tree_store_new(4, G_TYPE_BOOLEAN, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
146 store = gtk_tree_store_new(3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
148 GList *geoname_runner = geonames;
149 while (geoname_runner)
151 geoname = (found_geoname *)geoname_runner->data;
152 latlon_string = g_strdup_printf("(%f,%f)", geoname->ll.lat, geoname->ll.lon);
153 gtk_tree_store_append(store, &iter, NULL);
154 if (multiple_selection_allowed)
156 gtk_tree_store_set(store, &iter, 0, FALSE, 1, geoname->name, 2, geoname->country, 3, latlon_string, -1);
160 gtk_tree_store_set(store, &iter, 0, geoname->name, 1, geoname->country, 2, latlon_string, -1);
162 geoname_runner = g_list_next(geoname_runner);
163 g_free(latlon_string);
165 view = gtk_tree_view_new();
166 renderer = gtk_cell_renderer_text_new();
168 if (multiple_selection_allowed)
170 toggle_render = gtk_cell_renderer_toggle_new();
171 g_object_set(toggle_render, "activatable", TRUE, NULL);
172 g_signal_connect(toggle_render, "toggled", (GCallback) buttonToggled, GTK_TREE_MODEL(store));
173 gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Select", toggle_render, "active", column_runner, NULL);
176 gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Name", renderer, "text", column_runner, NULL);
178 gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Country", renderer, "text", column_runner, NULL);
180 gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Lat/Lon", renderer, "text", column_runner, NULL);
181 gtk_tree_view_set_headers_visible( GTK_TREE_VIEW(view), TRUE);
182 gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
183 gtk_tree_selection_set_mode( gtk_tree_view_get_selection(GTK_TREE_VIEW(view)),
184 multiple_selection_allowed ? GTK_SELECTION_MULTIPLE : GTK_SELECTION_BROWSE );
185 g_object_unref(store);
187 gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), label, FALSE, FALSE, 0);
188 gtk_widget_show ( label );
189 gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), view, FALSE, FALSE, 0);
190 gtk_widget_show ( view );
191 while ( gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT )
193 GtkTreeSelection *selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(view));
194 GList *selected_geonames = NULL;
196 gtk_tree_model_get_iter_first( GTK_TREE_MODEL(store), &iter);
197 geoname_runner = geonames;
198 while (geoname_runner)
201 if (multiple_selection_allowed)
203 gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, 0, &checked, -1);
210 if (gtk_tree_selection_iter_is_selected(selection, &iter))
216 found_geoname *copied = copy_found_geoname(geoname_runner->data);
217 selected_geonames = g_list_prepend(selected_geonames, copied);
219 geoname_runner = g_list_next(geoname_runner);
220 gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter);
222 if (selected_geonames)
224 gtk_widget_destroy ( dialog );
225 return (selected_geonames);
227 a_dialog_error_msg(parent, _("Nothing was selected"));
229 gtk_widget_destroy ( dialog );
233 GList *get_entries_from_file(gchar *file_name)
238 gboolean more = TRUE;
239 gchar lat_buf[32], lon_buf[32];
242 GList *found_places = NULL;
243 found_geoname *geoname = NULL;
244 gchar **found_entries;
247 gchar *wikipedia_url = NULL;
248 gchar *thumbnail_url = NULL;
250 lat_buf[0] = lon_buf[0] = '\0';
252 if ((mf = g_mapped_file_new(file_name, FALSE, NULL)) == NULL) {
253 g_critical(_("couldn't map temp file"));
256 len = g_mapped_file_get_length(mf);
257 text = g_mapped_file_get_contents(mf);
259 if (g_strstr_len(text, len, GEONAMES_SEARCH_NOT_FOUND) != NULL) {
262 found_entries = g_strsplit(text, "},", 0);
264 entry = found_entries[entry_runner];
268 geoname = new_found_geoname();
269 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_COUNTRY_PATTERN))) {
270 pat += strlen(GEONAMES_COUNTRY_PATTERN);
273 while (*pat != '"') {
277 geoname -> country = g_strndup(s, fragment_len);
279 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_LONGITUDE_PATTERN)) == NULL) {
283 pat += strlen(GEONAMES_LONGITUDE_PATTERN);
287 while ((s < (lon_buf + sizeof(lon_buf))) && (pat < (text + len)) &&
288 (g_ascii_isdigit(*pat) || (*pat == '.')))
291 if ((pat >= (text + len)) || (lon_buf[0] == '\0')) {
294 geoname->ll.lon = g_ascii_strtod(lon_buf, NULL);
296 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_NAME_PATTERN))) {
297 pat += strlen(GEONAMES_NAME_PATTERN);
300 while (*pat != '"') {
304 geoname -> name = g_strndup(s, fragment_len);
306 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_TITLE_PATTERN))) {
307 pat += strlen(GEONAMES_TITLE_PATTERN);
310 while (*pat != '"') {
314 geoname -> name = g_strndup(s, fragment_len);
316 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_WIKIPEDIAURL_PATTERN))) {
317 pat += strlen(GEONAMES_WIKIPEDIAURL_PATTERN);
320 while (*pat != '"') {
324 wikipedia_url = g_strndup(s, fragment_len);
326 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_THUMBNAILIMG_PATTERN))) {
327 pat += strlen(GEONAMES_THUMBNAILIMG_PATTERN);
330 while (*pat != '"') {
334 thumbnail_url = g_strndup(s, fragment_len);
336 if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_LATITUDE_PATTERN)) == NULL) {
340 pat += strlen(GEONAMES_LATITUDE_PATTERN);
344 while ((s < (lat_buf + sizeof(lat_buf))) && (pat < (text + len)) &&
345 (g_ascii_isdigit(*pat) || (*pat == '.')))
348 if ((pat >= (text + len)) || (lat_buf[0] == '\0')) {
351 geoname->ll.lat = g_ascii_strtod(lat_buf, NULL);
361 geoname -> desc = g_strdup_printf("<a href=\"http://%s\" target=\"_blank\"><img src=\"%s\" border=\"0\"/></a>", wikipedia_url, thumbnail_url);
364 geoname -> desc = g_strdup_printf("<a href=\"http://%s\" target=\"_blank\">%s</a>", wikipedia_url, geoname->name);
368 g_free(wikipedia_url);
369 wikipedia_url = NULL;
372 g_free(thumbnail_url);
373 thumbnail_url = NULL;
375 found_places = g_list_prepend(found_places, geoname);
378 entry = found_entries[entry_runner];
380 g_strfreev(found_entries);
381 found_places = g_list_reverse(found_places);
382 g_mapped_file_free(mf);
383 return(found_places);
387 gchar *download_url(gchar *uri)
393 if ((tmp_fd = g_file_open_tmp ("vikgsearch.XXXXXX", &tmpname, NULL)) == -1) {
394 g_critical(_("couldn't open temp file"));
397 tmp_file = fdopen(tmp_fd, "r+");
399 // TODO: curl may not be available
400 if (curl_download_uri(uri, tmp_file, NULL, 0, NULL)) { // error
412 void a_geonames_wikipedia_box(VikWindow *vw, VikTrwLayer *vtl, VikLayersPanel *vlp, struct LatLon maxmin[2])
419 VikWaypoint *wiki_wp;
420 found_geoname *wiki_geoname;
422 /* encode doubles in a C locale */
423 gchar *north = a_coords_dtostr(maxmin[0].lat);
424 gchar *south = a_coords_dtostr(maxmin[1].lat);
425 gchar *east = a_coords_dtostr(maxmin[0].lon);
426 gchar *west = a_coords_dtostr(maxmin[1].lon);
427 uri = g_strdup_printf(GEONAMES_WIKIPEDIA_URL_FMT, north, south, east, west);
428 g_free(north); north = NULL;
429 g_free(south); south = NULL;
430 g_free(east); east = NULL;
431 g_free(west); west = NULL;
432 tmpname = download_url(uri);
437 wiki_places = get_entries_from_file(tmpname);
438 if (g_list_length(wiki_places) == 0) {
442 selected = a_select_geoname_from_list(VIK_GTK_WINDOW_FROM_WIDGET(vw), wiki_places, TRUE, "Select articles", "Select the articles you want to add.");
443 wp_runner = selected;
445 wiki_geoname = (found_geoname *)wp_runner->data;
446 wiki_wp = vik_waypoint_new();
447 wiki_wp->visible = TRUE;
448 vik_coord_load_from_latlon(&(wiki_wp->coord), vik_trw_layer_get_coord_mode ( vtl ), &(wiki_geoname->ll));
449 vik_waypoint_set_comment(wiki_wp, wiki_geoname->desc);
450 vik_trw_layer_filein_add_waypoint ( vtl, wiki_geoname->name, wiki_wp );
451 wp_runner = g_list_next(wp_runner);
453 free_geoname_list(wiki_places);
454 free_geoname_list(selected);
459 vik_layers_panel_emit_update(vlp);