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1 | /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */ |
2 | /* | |
3 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
4 | * | |
5 | * Copyright (C) 2012, Rob Norris <rw_norris@hotmail.com> | |
6 | * | |
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. | |
11 | * | |
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. | |
16 | * | |
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 | |
20 | * | |
21 | */ | |
22 | #ifdef HAVE_CONFIG_H | |
23 | #include "config.h" | |
24 | #endif | |
25 | #include <string.h> | |
26 | #include <limits.h> | |
27 | ||
28 | #include <glib/gprintf.h> | |
29 | #include <glib/gi18n.h> | |
30 | #include <glib/gstdio.h> | |
31 | ||
32 | #include <expat.h> | |
33 | ||
34 | #include "viking.h" | |
35 | #include "gpx.h" | |
36 | #include "acquire.h" | |
37 | #include "osm-traces.h" | |
38 | #include "preferences.h" | |
39 | #include "curl_download.h" | |
40 | #include "datasource_gps.h" | |
6ef14d6b | 41 | #include "bbox.h" |
3cc57413 RN |
42 | |
43 | /** | |
44 | * See http://wiki.openstreetmap.org/wiki/API_v0.6#GPS_Traces | |
45 | */ | |
46 | #define DS_OSM_TRACES_GPX_URL_FMT "api.openstreetmap.org/api/0.6/gpx/%d/data" | |
47 | #define DS_OSM_TRACES_GPX_FILES "api.openstreetmap.org/api/0.6/user/gpx_files" | |
48 | ||
49 | typedef struct { | |
50 | GtkWidget *user_entry; | |
51 | GtkWidget *password_entry; | |
52 | // NB actual user and password values are stored in oms-traces.c | |
6ef14d6b | 53 | VikViewport *vvp; |
3cc57413 RN |
54 | } datasource_osm_my_traces_t; |
55 | ||
56 | static gpointer datasource_osm_my_traces_init( ); | |
57 | static void datasource_osm_my_traces_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data ); | |
58 | static void datasource_osm_my_traces_get_cmd_string ( gpointer user_data, gchar **args, gchar **extra, DownloadMapOptions *options ); | |
59 | 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 ); | |
60 | static void datasource_osm_my_traces_cleanup ( gpointer data ); | |
61 | ||
62 | VikDataSourceInterface vik_datasource_osm_my_traces_interface = { | |
63 | N_("OSM My Traces"), | |
64 | N_("OSM My Traces"), | |
65 | VIK_DATASOURCE_MANUAL_LAYER_MANAGEMENT, // we'll do this ourselves | |
66 | VIK_DATASOURCE_INPUTTYPE_NONE, | |
67 | TRUE, | |
68 | TRUE, | |
69 | FALSE, // Don't use thread method | |
70 | (VikDataSourceInitFunc) datasource_osm_my_traces_init, | |
71 | (VikDataSourceCheckExistenceFunc) NULL, | |
72 | (VikDataSourceAddSetupWidgetsFunc)datasource_osm_my_traces_add_setup_widgets, | |
73 | (VikDataSourceGetCmdStringFunc) datasource_osm_my_traces_get_cmd_string, | |
74 | (VikDataSourceProcessFunc) datasource_osm_my_traces_process, | |
75 | (VikDataSourceProgressFunc) NULL, | |
76 | (VikDataSourceAddProgressWidgetsFunc) NULL, | |
77 | (VikDataSourceCleanupFunc) datasource_osm_my_traces_cleanup, | |
78 | (VikDataSourceOffFunc) NULL, | |
79 | ||
80 | NULL, | |
81 | 0, | |
82 | NULL, | |
83 | NULL, | |
84 | 0 | |
85 | }; | |
86 | ||
87 | static gpointer datasource_osm_my_traces_init ( ) | |
88 | { | |
89 | datasource_osm_my_traces_t *data = g_malloc(sizeof(*data)); | |
90 | // Reuse GPS functions | |
91 | // Haven't been able to get the thread method to work reliably (or get progress feedback) | |
92 | // So thread version is disabled ATM | |
93 | /* | |
94 | if ( vik_datasource_osm_my_traces_interface.is_thread ) { | |
95 | vik_datasource_osm_my_traces_interface.progress_func = datasource_gps_progress; | |
96 | vik_datasource_osm_my_traces_interface.add_progress_widgets_func = datasource_gps_add_progress_widgets; | |
97 | } | |
98 | */ | |
99 | return data; | |
100 | } | |
101 | ||
102 | static void datasource_osm_my_traces_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data ) | |
103 | { | |
104 | datasource_osm_my_traces_t *data = (datasource_osm_my_traces_t *)user_data; | |
105 | ||
106 | GtkWidget *user_label; | |
107 | GtkWidget *password_label; | |
108 | user_label = gtk_label_new(_("Username:")); | |
109 | data->user_entry = gtk_entry_new(); | |
110 | ||
111 | gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), user_label, FALSE, FALSE, 0 ); | |
112 | gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), data->user_entry, FALSE, FALSE, 0 ); | |
113 | gtk_widget_set_tooltip_markup ( GTK_WIDGET(data->user_entry), _("The email or username used to login to OSM") ); | |
114 | ||
115 | password_label = gtk_label_new ( _("Password:") ); | |
116 | data->password_entry = gtk_entry_new (); | |
117 | ||
118 | gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), password_label, FALSE, FALSE, 0 ); | |
119 | gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), data->password_entry, FALSE, FALSE, 0 ); | |
120 | gtk_widget_set_tooltip_markup ( GTK_WIDGET(data->password_entry), _("The password used to login to OSM") ); | |
121 | ||
122 | osm_login_widgets (data->user_entry, data->password_entry); | |
123 | gtk_widget_show_all ( dialog ); | |
6ef14d6b RN |
124 | |
125 | /* Keep reference to viewport */ | |
126 | data->vvp = vvp; | |
3cc57413 RN |
127 | } |
128 | ||
129 | static void datasource_osm_my_traces_get_cmd_string ( gpointer user_data, gchar **args, gchar **extra, DownloadMapOptions *options ) | |
130 | { | |
131 | datasource_osm_my_traces_t *data = (datasource_osm_my_traces_t*) user_data; | |
132 | ||
133 | /* overwrite authentication info */ | |
134 | osm_set_login ( gtk_entry_get_text ( GTK_ENTRY(data->user_entry) ), | |
135 | gtk_entry_get_text ( GTK_ENTRY(data->password_entry) ) ); | |
136 | ||
137 | // If going to use the values passed back into the process function parameters then these need to be set. | |
138 | // But ATM we aren't | |
139 | *args = NULL; | |
140 | *extra = NULL; | |
141 | options = NULL; | |
142 | } | |
143 | ||
144 | typedef enum { | |
145 | tt_unknown = 0, | |
146 | tt_osm, | |
147 | tt_gpx_file, | |
148 | tt_gpx_file_desc, | |
149 | tt_gpx_file_tag, | |
150 | } xtag_type; | |
151 | ||
152 | typedef struct { | |
153 | xtag_type tag_type; /* enum from above for this tag */ | |
154 | const char *tag_name; /* xpath-ish tag name */ | |
155 | } xtag_mapping; | |
156 | ||
157 | typedef struct { | |
158 | guint id; | |
159 | gchar *name; | |
160 | gchar *vis; | |
161 | gchar *desc; | |
162 | struct LatLon ll; | |
6ef14d6b RN |
163 | gboolean in_current_view; // Is the track LatLon start within the current viewport |
164 | // This is useful in deciding whether to download a track or not | |
3cc57413 RN |
165 | // ATM Only used for display - may want to convert to a time_t for other usage |
166 | gchar *timestamp; | |
167 | // user made up tags - not being used yet - would be nice to sort/select on these but display will get complicated | |
168 | // GList *tag_list; | |
169 | } gpx_meta_data_t; | |
170 | ||
171 | static gpx_meta_data_t *new_gpx_meta_data_t() | |
172 | { | |
173 | gpx_meta_data_t *ret; | |
174 | ||
175 | ret = (gpx_meta_data_t *)g_malloc(sizeof(gpx_meta_data_t)); | |
176 | ret->id = 0; | |
177 | ret->name = NULL; | |
178 | ret->vis = NULL; | |
179 | ret->desc = NULL; | |
180 | ret->ll.lat = 0.0; | |
181 | ret->ll.lon = 0.0; | |
6ef14d6b | 182 | ret->in_current_view = FALSE; |
3cc57413 RN |
183 | ret->timestamp = NULL; |
184 | ||
185 | return ret; | |
186 | } | |
187 | ||
188 | static void free_gpx_meta_data ( gpx_meta_data_t *data, gpointer userdata ) | |
189 | { | |
190 | g_free(data->name); | |
191 | g_free(data->vis); | |
192 | g_free(data->desc); | |
193 | g_free(data->timestamp); | |
194 | } | |
195 | ||
196 | static void free_gpx_meta_data_list (GList *list) | |
197 | { | |
198 | g_list_foreach (list, (GFunc)free_gpx_meta_data, NULL); | |
199 | g_list_free (list); | |
200 | } | |
201 | ||
202 | static gpx_meta_data_t *copy_gpx_meta_data_t (gpx_meta_data_t *src) | |
203 | { | |
204 | gpx_meta_data_t *dest = new_gpx_meta_data_t(); | |
205 | ||
206 | dest->id = src->id; | |
207 | dest->name = g_strdup(src->name); | |
208 | dest->vis = g_strdup(src->vis); | |
209 | dest->desc = g_strdup(src->desc); | |
210 | dest->ll.lat = src->ll.lat; | |
211 | dest->ll.lon = src->ll.lon; | |
6ef14d6b | 212 | dest->in_current_view = src->in_current_view; |
3cc57413 RN |
213 | dest->timestamp = g_strdup(src->timestamp); |
214 | ||
215 | return dest; | |
216 | } | |
217 | ||
218 | typedef struct { | |
219 | //GString *xpath; | |
220 | GString *c_cdata; | |
221 | xtag_type current_tag; | |
222 | gpx_meta_data_t *current_gpx_meta_data; | |
223 | GList *list_of_gpx_meta_data; | |
224 | } xml_data; | |
225 | ||
226 | // Same as the gpx.c function | |
227 | static const char *get_attr ( const char **attr, const char *key ) | |
228 | { | |
229 | while ( *attr ) { | |
230 | if ( strcmp(*attr,key) == 0 ) | |
231 | return *(attr + 1); | |
232 | attr += 2; | |
233 | } | |
234 | return NULL; | |
235 | } | |
236 | ||
237 | // ATM don't care about actual path as tags are all unique | |
238 | static xtag_mapping xtag_path_map[] = { | |
239 | { tt_osm, "osm" }, | |
240 | { tt_gpx_file, "gpx_file" }, | |
241 | { tt_gpx_file_desc, "description" }, | |
242 | { tt_gpx_file_tag, "tag" }, | |
243 | }; | |
244 | ||
245 | static xtag_type get_tag ( const char *t ) | |
246 | { | |
247 | xtag_mapping *tm; | |
248 | for (tm = xtag_path_map; tm->tag_type != 0; tm++) | |
249 | if (0 == strcmp(tm->tag_name, t)) | |
250 | return tm->tag_type; | |
251 | return tt_unknown; | |
252 | } | |
253 | ||
254 | static void gpx_meta_data_start ( xml_data *xd, const char *el, const char **attr ) | |
255 | { | |
256 | const gchar *tmp; | |
257 | gchar buf[G_ASCII_DTOSTR_BUF_SIZE]; | |
258 | buf[0] = '\0'; | |
259 | ||
260 | // Don't need to build a path - we can use the tag directly | |
261 | //g_string_append_c ( xd->xpath, '/' ); | |
262 | //g_string_append ( xd->xpath, el ); | |
263 | //xd->current_tag = get_tag ( xd->xpath->str ); | |
264 | xd->current_tag = get_tag ( el ); | |
265 | switch ( xd->current_tag ) { | |
266 | case tt_gpx_file: | |
267 | if ( xd->current_gpx_meta_data ) | |
268 | free_gpx_meta_data ( xd->current_gpx_meta_data, NULL ); | |
269 | xd->current_gpx_meta_data = new_gpx_meta_data_t(); | |
270 | ||
271 | if ( ( tmp = get_attr ( attr, "id" ) ) ) | |
272 | xd->current_gpx_meta_data->id = atoi ( tmp ); | |
273 | ||
274 | if ( ( tmp = get_attr ( attr, "name" ) ) ) | |
275 | xd->current_gpx_meta_data->name = g_strdup ( tmp ); | |
276 | ||
277 | if ( ( tmp = get_attr ( attr, "lat" ) ) ) { | |
278 | g_snprintf (buf, sizeof (buf), tmp); | |
279 | xd->current_gpx_meta_data->ll.lat = g_ascii_strtod ( buf, NULL ); | |
280 | } | |
281 | ||
282 | if ( ( tmp = get_attr ( attr, "lon" ) ) ) { | |
283 | g_snprintf (buf, sizeof (buf), tmp); | |
284 | xd->current_gpx_meta_data->ll.lon = g_ascii_strtod ( buf, NULL ); | |
285 | } | |
286 | ||
287 | if ( ( tmp = get_attr ( attr, "visibility" ) ) ) | |
288 | xd->current_gpx_meta_data->vis = g_strdup ( tmp ); | |
289 | ||
290 | if ( ( tmp = get_attr ( attr, "timestamp" ) ) ) | |
291 | xd->current_gpx_meta_data->timestamp = g_strdup ( tmp ); | |
292 | ||
293 | g_string_erase ( xd->c_cdata, 0, -1 ); // clear the cdata buffer | |
294 | break; | |
295 | case tt_gpx_file_desc: | |
296 | case tt_gpx_file_tag: | |
297 | g_string_erase ( xd->c_cdata, 0, -1 ); // clear the cdata buffer | |
298 | break; | |
299 | default: | |
300 | g_string_erase ( xd->c_cdata, 0, -1 ); // clear the cdata buffer | |
301 | break; | |
302 | } | |
303 | } | |
304 | ||
305 | static void gpx_meta_data_end ( xml_data *xd, const char *el ) | |
306 | { | |
307 | //g_string_truncate ( xd->xpath, xd->xpath->len - strlen(el) - 1 ); | |
308 | //switch ( xd->current_tag ) { | |
309 | switch ( get_tag ( el ) ) { | |
310 | case tt_gpx_file: { | |
311 | // End of the individual file metadata, thus save what we have read in to the list | |
312 | // Copy it so we can reference it | |
313 | gpx_meta_data_t *current = copy_gpx_meta_data_t ( xd->current_gpx_meta_data ); | |
314 | // Stick in the list | |
315 | xd->list_of_gpx_meta_data = g_list_prepend(xd->list_of_gpx_meta_data, current); | |
316 | g_string_erase ( xd->c_cdata, 0, -1 ); | |
317 | break; | |
318 | } | |
319 | case tt_gpx_file_desc: | |
320 | // Store the description: | |
321 | if ( xd->current_gpx_meta_data ) { | |
322 | // NB Limit description size as it's displayed on a single line | |
323 | // Hopefully this will prevent the dialog getting too wide... | |
324 | xd->current_gpx_meta_data->desc = g_strndup ( xd->c_cdata->str, 63 ); | |
325 | } | |
326 | g_string_erase ( xd->c_cdata, 0, -1 ); | |
327 | break; | |
328 | case tt_gpx_file_tag: | |
329 | // One day do something with this... | |
330 | g_string_erase ( xd->c_cdata, 0, -1 ); | |
331 | break; | |
332 | default: | |
333 | break; | |
334 | } | |
335 | } | |
336 | ||
337 | static void gpx_meta_data_cdata ( xml_data *xd, const XML_Char *s, int len ) | |
338 | { | |
339 | switch ( xd->current_tag ) { | |
340 | case tt_gpx_file_desc: | |
341 | case tt_gpx_file_tag: | |
342 | g_string_append_len ( xd->c_cdata, s, len ); | |
343 | break; | |
344 | default: break; // ignore cdata from other things | |
345 | } | |
346 | } | |
347 | ||
348 | static gboolean read_gpx_files_metadata_xml ( gchar *tmpname, xml_data *xd ) | |
349 | { | |
350 | FILE *ff = g_fopen (tmpname, "r"); | |
351 | if ( !ff ) | |
352 | return FALSE; | |
353 | ||
354 | XML_Parser parser = XML_ParserCreate(NULL); | |
355 | enum XML_Status status = XML_STATUS_ERROR; | |
356 | ||
357 | XML_SetElementHandler(parser, (XML_StartElementHandler) gpx_meta_data_start, (XML_EndElementHandler) gpx_meta_data_end); | |
358 | XML_SetUserData(parser, xd); | |
359 | XML_SetCharacterDataHandler(parser, (XML_CharacterDataHandler) gpx_meta_data_cdata); | |
360 | ||
361 | gchar buf[4096]; | |
362 | ||
363 | int done=0, len; | |
364 | while (!done) { | |
365 | len = fread(buf, 1, sizeof(buf)-7, ff); | |
366 | done = feof(ff) || !len; | |
367 | status = XML_Parse(parser, buf, len, done); | |
368 | } | |
369 | ||
370 | XML_ParserFree (parser); | |
371 | ||
372 | fclose ( ff ); | |
373 | ||
374 | return status != XML_STATUS_ERROR; | |
375 | } | |
376 | ||
377 | static GList *select_from_list (GtkWindow *parent, GList *list, const gchar *title, const gchar *msg ) | |
378 | { | |
379 | GtkTreeIter iter; | |
380 | GtkCellRenderer *renderer; | |
381 | GtkWidget *view; | |
382 | gchar *latlon_string; | |
383 | int column_runner; | |
384 | ||
385 | GtkWidget *dialog = gtk_dialog_new_with_buttons (title, | |
386 | parent, | |
387 | GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, | |
388 | GTK_STOCK_CANCEL, | |
389 | GTK_RESPONSE_REJECT, | |
390 | GTK_STOCK_OK, | |
391 | GTK_RESPONSE_ACCEPT, | |
392 | NULL); | |
393 | /* When something is selected then OK */ | |
394 | gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT ); | |
395 | GtkWidget *response_w = NULL; | |
396 | #if GTK_CHECK_VERSION (2, 20, 0) | |
397 | /* Default to not apply - as initially nothing is selected! */ | |
398 | response_w = gtk_dialog_get_widget_for_response ( GTK_DIALOG(dialog), GTK_RESPONSE_REJECT ); | |
399 | #endif | |
400 | GtkWidget *label = gtk_label_new ( msg ); | |
6ef14d6b | 401 | GtkTreeStore *store = gtk_tree_store_new ( 6, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_BOOLEAN ); |
3cc57413 RN |
402 | GList *list_runner = list; |
403 | while (list_runner) { | |
404 | gpx_meta_data_t *gpx_meta_data = (gpx_meta_data_t *)list_runner->data; | |
405 | // To keep display compact three digits of precision for lat/lon should be plenty | |
406 | latlon_string = g_strdup_printf("(%.3f,%.3f)", gpx_meta_data->ll.lat, gpx_meta_data->ll.lon); | |
407 | gtk_tree_store_append(store, &iter, NULL); | |
408 | gtk_tree_store_set ( store, &iter, | |
409 | 0, gpx_meta_data->name, | |
410 | 1, gpx_meta_data->desc, | |
411 | 2, gpx_meta_data->timestamp, | |
412 | 3, latlon_string, | |
413 | 4, gpx_meta_data->vis, | |
6ef14d6b | 414 | 5, gpx_meta_data->in_current_view, |
3cc57413 RN |
415 | -1 ); |
416 | list_runner = g_list_next ( list_runner ); | |
417 | g_free ( latlon_string ); | |
418 | } | |
419 | ||
420 | view = gtk_tree_view_new(); | |
421 | renderer = gtk_cell_renderer_text_new(); | |
422 | column_runner = 0; | |
423 | GtkTreeViewColumn *column; | |
424 | ||
425 | column = gtk_tree_view_column_new_with_attributes ( _("Name"), renderer, "text", column_runner, NULL); | |
426 | gtk_tree_view_column_set_sort_column_id (column, column_runner); | |
427 | gtk_tree_view_append_column (GTK_TREE_VIEW (view), column); | |
428 | ||
429 | column_runner++; | |
430 | column = gtk_tree_view_column_new_with_attributes ( _("Description"), renderer, "text", column_runner, NULL); | |
431 | gtk_tree_view_column_set_sort_column_id (column, column_runner); | |
432 | gtk_tree_view_append_column (GTK_TREE_VIEW (view), column); | |
433 | ||
434 | column_runner++; | |
435 | column = gtk_tree_view_column_new_with_attributes ( _("Time"), renderer, "text", column_runner, NULL); | |
436 | gtk_tree_view_column_set_sort_column_id (column, column_runner); | |
437 | gtk_tree_view_append_column (GTK_TREE_VIEW (view), column); | |
438 | ||
439 | column_runner++; | |
440 | column = gtk_tree_view_column_new_with_attributes ( _("Lat/Lon"), renderer, "text", column_runner, NULL); | |
441 | gtk_tree_view_column_set_sort_column_id (column, column_runner); | |
442 | gtk_tree_view_append_column (GTK_TREE_VIEW (view), column); | |
443 | ||
444 | column_runner++; | |
445 | column = gtk_tree_view_column_new_with_attributes ( _("Privacy"), renderer, "text", column_runner, NULL); // AKA Visibility | |
446 | gtk_tree_view_column_set_sort_column_id (column, column_runner); | |
447 | gtk_tree_view_append_column (GTK_TREE_VIEW (view), column); | |
448 | ||
6ef14d6b RN |
449 | GtkCellRenderer *renderer_toggle = gtk_cell_renderer_toggle_new (); |
450 | g_object_set (G_OBJECT (renderer_toggle), "activatable", FALSE, NULL); // No user action - value is just for display | |
451 | column_runner++; | |
452 | column = gtk_tree_view_column_new_with_attributes ( _("Within Current View"), renderer_toggle, "active", column_runner, NULL); | |
453 | gtk_tree_view_column_set_sort_column_id (column, column_runner); | |
454 | gtk_tree_view_append_column (GTK_TREE_VIEW (view), column); | |
455 | ||
3cc57413 RN |
456 | gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store)); |
457 | gtk_tree_selection_set_mode( gtk_tree_view_get_selection(GTK_TREE_VIEW(view)), GTK_SELECTION_MULTIPLE ); | |
458 | g_object_unref(store); | |
459 | ||
460 | GtkWidget *scrolledwindow = gtk_scrolled_window_new ( NULL, NULL ); | |
461 | gtk_scrolled_window_set_policy ( GTK_SCROLLED_WINDOW(scrolledwindow), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC ); | |
462 | gtk_container_add ( GTK_CONTAINER(scrolledwindow), view ); | |
463 | ||
464 | gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), label, FALSE, FALSE, 0); | |
465 | gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), scrolledwindow, TRUE, TRUE, 0); | |
466 | ||
467 | // Ensure a reasonable number of items are shown, but let the width be automatically sized | |
468 | gtk_widget_set_size_request ( dialog, -1, 400) ; | |
469 | gtk_widget_show_all ( dialog ); | |
470 | ||
471 | if ( response_w ) | |
472 | gtk_widget_grab_focus ( response_w ); | |
473 | ||
474 | while ( gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT ) { | |
475 | ||
476 | // Possibily not the fastest method but we don't have thousands of entries to process... | |
477 | GtkTreeSelection *selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(view)); | |
478 | GList *selected = NULL; | |
479 | ||
480 | // because we don't store the full data in the gtk model, we have to scan & look it up | |
481 | if ( gtk_tree_model_get_iter_first( GTK_TREE_MODEL(store), &iter) ) { | |
482 | do { | |
483 | if ( gtk_tree_selection_iter_is_selected ( selection, &iter ) ) { | |
484 | // For every selected item, | |
485 | // compare the name from the displayed view to every gpx entry to find the gpx this selection represents | |
486 | gchar* name; | |
487 | gtk_tree_model_get (GTK_TREE_MODEL(store), &iter, 0, &name, -1 ); | |
488 | // I believe the name of these items to be always unique | |
489 | list_runner = list; | |
490 | while (list_runner) { | |
491 | if ( !strcmp ( ((gpx_meta_data_t*)list_runner->data)->name, name ) ) { | |
492 | gpx_meta_data_t *copied = copy_gpx_meta_data_t (list_runner->data); | |
493 | selected = g_list_prepend (selected, copied); | |
494 | break; | |
495 | } | |
496 | list_runner = g_list_next ( list_runner ); | |
497 | } | |
498 | } | |
499 | } | |
500 | while ( gtk_tree_model_iter_next ( GTK_TREE_MODEL(store), &iter ) ); | |
501 | } | |
502 | ||
503 | if ( selected ) { | |
504 | gtk_widget_destroy ( dialog ); | |
505 | return selected; | |
506 | } | |
507 | a_dialog_error_msg(parent, _("Nothing was selected")); | |
508 | } | |
509 | gtk_widget_destroy ( dialog ); | |
510 | return NULL; | |
511 | } | |
512 | ||
513 | static void none_found ( GtkWindow *gw ) | |
514 | { | |
515 | GtkWidget *dialog = NULL; | |
516 | ||
517 | dialog = gtk_dialog_new_with_buttons ( "", gw, 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, NULL ); | |
518 | gtk_window_set_title(GTK_WINDOW(dialog), _("GPS Traces")); | |
519 | ||
520 | GtkWidget *search_label = gtk_label_new(_("None found!")); | |
521 | gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), search_label, FALSE, FALSE, 5 ); | |
522 | gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT ); | |
523 | gtk_widget_show_all(dialog); | |
524 | ||
525 | gtk_dialog_run ( GTK_DIALOG(dialog) ); | |
526 | gtk_widget_destroy(dialog); | |
527 | } | |
528 | ||
6ef14d6b RN |
529 | /** |
530 | * For each track - mark whether the start is in within the viewport | |
531 | */ | |
532 | static void set_in_current_view_property ( VikTrwLayer *vtl, datasource_osm_my_traces_t *data, GList *gl ) | |
533 | { | |
534 | gdouble min_lat, max_lat, min_lon, max_lon; | |
535 | /* get Viewport bounding box */ | |
536 | vik_viewport_get_min_max_lat_lon ( data->vvp, &min_lat, &max_lat, &min_lon, &max_lon ); | |
537 | ||
538 | LatLonBBox bbox; | |
539 | bbox.north = max_lat; | |
540 | bbox.east = max_lon; | |
541 | bbox.south = min_lat; | |
542 | bbox.west = min_lon; | |
543 | ||
544 | GList *iterator = gl; | |
545 | while ( iterator ) { | |
546 | gpx_meta_data_t* gmd = (gpx_meta_data_t*)iterator->data; | |
547 | // Convert point position into a 'fake' bounding box | |
548 | // TODO - probably should have function to see if point is within bounding box | |
549 | // rather than constructing this fake bounding box for the test | |
550 | LatLonBBox gmd_bbox; | |
551 | gmd_bbox.north = gmd->ll.lat; | |
552 | gmd_bbox.east = gmd->ll.lon; | |
553 | gmd_bbox.south = gmd->ll.lat; | |
554 | gmd_bbox.west = gmd->ll.lon; | |
555 | ||
556 | if ( BBOX_INTERSECT ( bbox, gmd_bbox ) ) | |
557 | gmd->in_current_view = TRUE; | |
558 | ||
559 | iterator = g_list_next ( iterator ); | |
560 | } | |
561 | } | |
562 | ||
3cc57413 RN |
563 | 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 ) |
564 | { | |
565 | //datasource_osm_my_traces_t *data = (datasource_osm_my_traces_t *)adw->user_data; | |
566 | ||
567 | gboolean result; | |
568 | ||
569 | gchar *user_pass = osm_get_login(); | |
570 | ||
571 | DownloadMapOptions options = { FALSE, FALSE, NULL, 2, NULL, user_pass }; // Allow a couple of redirects | |
572 | ||
573 | xml_data *xd = g_malloc ( sizeof (xml_data) ); | |
574 | //xd->xpath = g_string_new ( "" ); | |
575 | xd->c_cdata = g_string_new ( "" ); | |
576 | xd->current_tag = tt_unknown; | |
577 | xd->current_gpx_meta_data = new_gpx_meta_data_t(); | |
578 | xd->list_of_gpx_meta_data = NULL; | |
579 | ||
580 | gchar *tmpname = a_download_uri_to_tmp_file ( DS_OSM_TRACES_GPX_FILES, &options ); | |
581 | result = read_gpx_files_metadata_xml ( tmpname, xd ); | |
582 | // Test already downloaded metadata file: eg: | |
6ef14d6b | 583 | //result = read_gpx_files_metadata_xml ( "/tmp/viking-download.GI47PW", xd ); |
3cc57413 RN |
584 | |
585 | if ( tmpname ) { | |
586 | g_remove ( tmpname ); | |
587 | g_free ( tmpname ); | |
588 | } | |
589 | ||
590 | if ( ! result ) | |
591 | return FALSE; | |
592 | ||
593 | if ( g_list_length ( xd->list_of_gpx_meta_data ) == 0 ) { | |
594 | if (!vik_datasource_osm_my_traces_interface.is_thread) | |
595 | none_found ( GTK_WINDOW(adw->vw) ); | |
596 | return FALSE; | |
597 | } | |
598 | ||
599 | xd->list_of_gpx_meta_data = g_list_reverse ( xd->list_of_gpx_meta_data ); | |
600 | ||
6ef14d6b RN |
601 | set_in_current_view_property ( vtl, adw->user_data, xd->list_of_gpx_meta_data ); |
602 | ||
3cc57413 RN |
603 | if (vik_datasource_osm_my_traces_interface.is_thread) gdk_threads_enter(); |
604 | 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." ); | |
605 | if (vik_datasource_osm_my_traces_interface.is_thread) gdk_threads_leave(); | |
606 | ||
607 | // If passed in on an existing layer - we will create everything into that. | |
608 | // thus with many differing gpx's - this will combine all waypoints into this single layer! | |
609 | // Hence the preference is to create multiple layers | |
610 | // and so this creation of the layers must be managed here | |
611 | ||
612 | gboolean create_new_layer = ( !vtl ); | |
613 | ||
614 | // Only update the screen on the last layer acquired | |
615 | VikTrwLayer *vtl_last = vtl; | |
616 | gboolean got_something = FALSE; | |
617 | ||
618 | GList *selected_iterator = selected; | |
619 | while ( selected_iterator ) { | |
620 | ||
621 | VikTrwLayer *vtlX = vtl; | |
622 | ||
623 | if ( create_new_layer ) { | |
624 | // Have data but no layer - so create one | |
625 | vtlX = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, vik_window_viewport(adw->vw), NULL, FALSE ) ); | |
626 | if ( ((gpx_meta_data_t*)selected_iterator->data)->name ) | |
627 | vik_layer_rename ( VIK_LAYER ( vtlX ), ((gpx_meta_data_t*)selected_iterator->data)->name ); | |
628 | else | |
629 | vik_layer_rename ( VIK_LAYER ( vtlX ), _("My OSM Traces") ); | |
630 | vik_aggregate_layer_add_layer ( vik_layers_panel_get_top_layer (adw->vlp), VIK_LAYER(vtlX) ); | |
631 | } | |
632 | ||
633 | result = FALSE; | |
634 | gint gpx_id = ((gpx_meta_data_t*)selected_iterator->data)->id; | |
635 | if ( gpx_id ) { | |
636 | gchar *url = g_strdup_printf ( DS_OSM_TRACES_GPX_URL_FMT, gpx_id ); | |
637 | ||
638 | result = a_babel_convert_from_url ( vtlX, url, "gpx", status_cb, adw, &options ); | |
639 | // TODO investigate using a progress bar: | |
640 | // http://developer.gnome.org/gtk/2.24/GtkProgressBar.html | |
641 | ||
642 | got_something = got_something || result; | |
643 | // TODO feedback to UI to inform which traces failed | |
644 | if ( !result ) | |
645 | g_warning ( _("Unable to get trace: %s"), url ); | |
646 | } | |
647 | ||
648 | if ( result ) { | |
649 | // Move to area of the track | |
650 | vik_trw_layer_auto_set_view ( vtlX, vik_window_viewport(adw->vw) ); | |
651 | vik_layer_post_read ( VIK_LAYER(vtlX), vik_window_viewport(adw->vw), TRUE ); | |
652 | vtl_last = vtlX; | |
653 | } | |
654 | else if ( create_new_layer ) { | |
655 | // Layer not needed as no data has been acquired | |
656 | g_object_unref ( vtlX ); | |
657 | } | |
658 | ||
659 | selected_iterator = g_list_next ( selected_iterator ); | |
660 | } | |
661 | ||
662 | // Free memory | |
663 | if ( xd->current_gpx_meta_data ) | |
664 | free_gpx_meta_data ( xd->current_gpx_meta_data, NULL ); | |
665 | g_free ( xd->current_gpx_meta_data ); | |
666 | free_gpx_meta_data_list ( xd->list_of_gpx_meta_data ); | |
667 | free_gpx_meta_data_list ( selected ); | |
668 | g_free ( xd ); | |
669 | g_free ( user_pass ); | |
670 | ||
671 | // Would prefer to keep the update in acquire.c, | |
672 | // however since we may create the layer - need to do the update here | |
673 | if ( got_something ) | |
674 | vik_layer_emit_update ( VIK_LAYER(vtl_last) ); | |
675 | ||
676 | // ATM The user is only informed if all getting *all* of the traces failed | |
677 | if ( selected ) | |
678 | result = got_something; | |
679 | else | |
680 | // Process was cancelled but need to return that it proceeded as expected | |
681 | result = TRUE; | |
682 | ||
683 | return result; | |
684 | } | |
685 | ||
686 | static void datasource_osm_my_traces_cleanup ( gpointer data ) | |
687 | { | |
688 | g_free ( data ); | |
689 | } |