2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
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
27 #include <glib/gprintf.h>
28 #include <glib/gi18n.h>
35 /************************ FILTER LIST *******************/
36 // extern VikDataSourceInterface vik_datasource_gps_interface;
37 // extern VikDataSourceInterface vik_datasource_google_interface;
39 /*** Input is TRWLayer ***/
40 extern VikDataSourceInterface vik_datasource_bfilter_simplify_interface;
41 extern VikDataSourceInterface vik_datasource_bfilter_dup_interface;
43 /*** Input is a track and a TRWLayer ***/
44 extern VikDataSourceInterface vik_datasource_bfilter_polygon_interface;
45 extern VikDataSourceInterface vik_datasource_bfilter_exclude_polygon_interface;
47 /*** Input is a track ***/
49 const VikDataSourceInterface *filters[] = {
50 &vik_datasource_bfilter_simplify_interface,
51 &vik_datasource_bfilter_dup_interface,
52 &vik_datasource_bfilter_polygon_interface,
53 &vik_datasource_bfilter_exclude_polygon_interface,
56 const guint N_FILTERS = sizeof(filters) / sizeof(filters[0]);
58 VikTrack *filter_track = NULL;
59 gchar *filter_track_name = NULL;
61 /********************************************************/
63 /* passed along to worker thread */
65 acq_dialog_widgets_t *w;
71 /*********************************************************
72 * Definitions and routines for acquiring data from Data Sources in general
73 *********************************************************/
75 static void progress_func ( BabelProgressCode c, gpointer data, acq_dialog_widgets_t *w )
79 if ( w->source_interface->cleanup_func )
80 w->source_interface->cleanup_func( w->user_data );
83 g_thread_exit ( NULL );
87 if ( w->source_interface->progress_func )
88 w->source_interface->progress_func ( (gpointer) c, data, w );
92 /* this routine is the worker thread. there is only one simultaneous download allowed */
93 static void get_from_anything ( w_and_interface_t *wi )
96 gchar *extra = wi->extra;
97 gboolean result = TRUE;
100 gboolean creating_new_layer = TRUE;
102 acq_dialog_widgets_t *w = wi->w;
103 VikDataSourceInterface *source_interface = wi->w->source_interface;
108 if (source_interface->mode == VIK_DATASOURCE_ADDTOLAYER) {
109 VikLayer *current_selected = vik_layers_panel_get_selected ( w->vlp );
110 if ( IS_VIK_TRW_LAYER(current_selected) ) {
111 vtl = VIK_TRW_LAYER(current_selected);
112 creating_new_layer = FALSE;
115 if ( creating_new_layer ) {
116 vtl = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, w->vvp, NULL, FALSE ) );
117 vik_layer_rename ( VIK_LAYER ( vtl ), _(source_interface->layer_title) );
118 gtk_label_set_text ( GTK_LABEL(w->status), _("Working...") );
122 switch ( source_interface->type ) {
123 case VIK_DATASOURCE_GPSBABEL_DIRECT:
124 result = a_babel_convert_from (vtl, cmd, (BabelStatusFunc) progress_func, extra, w);
126 case VIK_DATASOURCE_URL:
127 result = a_babel_convert_from_url (vtl, cmd, extra, (BabelStatusFunc) progress_func, w);
129 case VIK_DATASOURCE_SHELL_CMD:
130 result = a_babel_convert_from_shellcommand ( vtl, cmd, extra, (BabelStatusFunc) progress_func, w);
133 g_critical("Houston, we've had a problem.");
141 gtk_label_set_text ( GTK_LABEL(w->status), _("Error: acquisition failed.") );
142 if ( creating_new_layer )
143 g_object_unref ( G_OBJECT ( vtl ) );
149 gtk_label_set_text ( GTK_LABEL(w->status), _("Done.") );
150 if ( creating_new_layer ) {
151 /* Only create the layer if it actually contains anything useful */
152 if ( g_hash_table_size (vik_trw_layer_get_tracks(vtl)) ||
153 g_hash_table_size (vik_trw_layer_get_waypoints(vtl)) )
154 vik_aggregate_layer_add_layer( vik_layers_panel_get_top_layer(w->vlp), VIK_LAYER(vtl));
156 gtk_label_set_text ( GTK_LABEL(w->status), _("No data.") );
158 if ( source_interface->keep_dialog_open ) {
159 gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_ACCEPT, TRUE );
160 gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_REJECT, FALSE );
162 gtk_dialog_response ( GTK_DIALOG(w->dialog), GTK_RESPONSE_ACCEPT );
166 if ( creating_new_layer )
170 if ( source_interface->cleanup_func )
171 source_interface->cleanup_func ( w->user_data );
180 g_thread_exit ( NULL );
184 static gchar *write_tmp_trwlayer ( VikTrwLayer *vtl )
189 g_assert ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0);
190 f = fdopen(fd_src, "w");
191 a_gpx_write_file(vtl, f);
197 /* TODO: write with name of old track */
198 static gchar *write_tmp_track ( VikTrack *track )
203 g_assert ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0);
204 f = fdopen(fd_src, "w");
205 a_gpx_write_track_file("track", track, f); /* Thank you Guilhem! Just when I needed this function... -- Evan */
211 /* TODO: cleanup, getr rid of redundancy */
213 /* depending on type of filter, often only vtl or track will be given.
214 * the other can be NULL.
216 static void acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *source_interface,
217 VikTrwLayer *vtl, VikTrack *track )
219 /* for manual dialogs */
220 GtkWidget *dialog = NULL;
223 gchar *cmd_off, *extra_off;
224 acq_dialog_widgets_t *w;
228 gpointer pass_along_data;
229 VikLayerParamData *paramdatas = NULL;
231 w_and_interface_t *wi;
233 /*** INIT AND CHECK EXISTENCE ***/
234 if ( source_interface->init_func )
235 user_data = source_interface->init_func();
238 pass_along_data = user_data;
240 if ( source_interface->check_existence_func ) {
241 gchar *error_str = source_interface->check_existence_func();
243 a_dialog_error_msg ( GTK_WINDOW(vw), error_str );
244 g_free ( error_str );
249 /* BUILD UI & GET OPTIONS IF NECESSARY. */
251 /* POSSIBILITY 0: NO OPTIONS. DO NOTHING HERE. */
252 /* POSSIBILITY 1: ADD_SETUP_WIDGETS_FUNC */
253 if ( source_interface->add_setup_widgets_func ) {
254 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
256 source_interface->add_setup_widgets_func(dialog, vvp, user_data);
257 gtk_window_set_title ( GTK_WINDOW(dialog), _(source_interface->window_title) );
259 if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) {
260 source_interface->cleanup_func(user_data);
261 gtk_widget_destroy(dialog);
265 /* POSSIBILITY 2: UI BUILDER */
266 else if ( source_interface->params ) {
267 paramdatas = a_uibuilder_run_dialog ( source_interface->window_title, GTK_WINDOW(vw),
268 source_interface->params, source_interface->params_count,
269 source_interface->params_groups, source_interface->params_groups_count,
270 source_interface->params_defaults );
272 pass_along_data = paramdatas;
274 return; /* TODO: do we have to free anything here? */
277 /* CREATE INPUT DATA & GET COMMAND STRING */
279 if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRWLAYER ) {
280 gchar *name_src = write_tmp_trwlayer ( vtl );
282 ((VikDataSourceGetCmdStringFuncWithInput) source_interface->get_cmd_string_func)
283 ( pass_along_data, &cmd, &extra, name_src );
286 /* TODO: delete the tmp file? or delete it only after we're done with it? */
287 } else if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRWLAYER_TRACK ) {
288 gchar *name_src = write_tmp_trwlayer ( vtl );
289 gchar *name_src_track = write_tmp_track ( track );
291 ((VikDataSourceGetCmdStringFuncWithInputInput) source_interface->get_cmd_string_func)
292 ( pass_along_data, &cmd, &extra, name_src, name_src_track );
295 g_free ( name_src_track );
296 } else if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRACK ) {
297 gchar *name_src_track = write_tmp_track ( track );
299 ((VikDataSourceGetCmdStringFuncWithInput) source_interface->get_cmd_string_func)
300 ( pass_along_data, &cmd, &extra, name_src_track );
302 g_free ( name_src_track );
304 source_interface->get_cmd_string_func ( pass_along_data, &cmd, &extra );
306 /* Get data for Off command */
307 if ( source_interface->off_func ) {
308 source_interface->off_func ( pass_along_data, &cmd_off, &extra_off );
311 /* cleanup for option dialogs */
312 if ( source_interface->add_setup_widgets_func ) {
313 gtk_widget_destroy(dialog);
315 } else if ( source_interface->params ) {
316 a_uibuilder_free_paramdatas ( paramdatas, source_interface->params, source_interface->params_count );
319 /*** LET'S DO IT! ***/
324 w = g_malloc(sizeof(*w));
325 wi = g_malloc(sizeof(*wi));
327 wi->w->source_interface = source_interface;
329 wi->extra = extra; /* usually input data type (?) */
331 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
332 gtk_dialog_set_response_sensitive ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT, FALSE );
333 gtk_window_set_title ( GTK_WINDOW(dialog), _(source_interface->window_title) );
338 status = gtk_label_new (_("Status: detecting gpsbabel"));
339 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), status, FALSE, FALSE, 5 );
340 gtk_widget_show_all(status);
346 if ( source_interface->add_progress_widgets_func ) {
347 source_interface->add_progress_widgets_func ( dialog, user_data );
349 w->user_data = user_data;
352 g_thread_create((GThreadFunc)get_from_anything, wi, FALSE, NULL );
354 gtk_dialog_run ( GTK_DIALOG(dialog) );
356 w->ok = FALSE; /* tell thread to stop. TODO: add mutex */
360 a_babel_convert_from (NULL, cmd_off, NULL, extra_off, NULL);
362 g_free ( w ); /* thread has finished; free w */
364 gtk_widget_destroy ( dialog );
367 void a_acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *source_interface ) {
368 acquire ( vw, vlp, vvp, source_interface, NULL, NULL );
371 static void acquire_trwlayer_callback ( GObject *menuitem, gpointer *pass_along )
373 VikDataSourceInterface *iface = g_object_get_data ( menuitem, "vik_acq_iface" );
374 VikWindow *vw = pass_along[0];
375 VikLayersPanel *vlp = pass_along[1];
376 VikViewport *vvp = pass_along[2];
377 VikTrwLayer *vtl = pass_along[3];
378 VikTrack *tr = pass_along[4];
380 acquire ( vw, vlp, vvp, iface, vtl, tr );
383 static GtkWidget *acquire_build_menu ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp,
384 VikTrwLayer *vtl, VikTrack *track, /* both passed to acquire, although for many filters only one ness */
385 const gchar *menu_title, vik_datasource_inputtype_t inputtype )
387 static gpointer pass_along[5];
388 GtkWidget *menu_item=NULL, *menu=NULL;
389 GtkWidget *item=NULL;
396 pass_along[4] = track;
398 for ( i = 0; i < N_FILTERS; i++ ) {
399 if ( filters[i]->inputtype == inputtype ) {
400 if ( ! menu_item ) { /* do this just once, but return NULL if no filters */
401 menu = gtk_menu_new();
402 menu_item = gtk_menu_item_new_with_mnemonic ( menu_title );
403 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_item), menu );
406 item = gtk_menu_item_new_with_label ( filters[i]->window_title );
407 g_object_set_data ( G_OBJECT(item), "vik_acq_iface", (gpointer) filters[i] );
408 g_signal_connect ( G_OBJECT(item), "activate", G_CALLBACK(acquire_trwlayer_callback), pass_along );
409 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
410 gtk_widget_show ( item );
417 GtkWidget *a_acquire_trwlayer_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrwLayer *vtl)
419 return acquire_build_menu ( vw, vlp, vvp, vtl, NULL, "_Filter", VIK_DATASOURCE_INPUTTYPE_TRWLAYER );
422 GtkWidget *a_acquire_trwlayer_track_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrwLayer *vtl)
424 if ( filter_track == NULL )
427 gchar *menu_title = g_strdup_printf ( "Filter with %s", filter_track_name );
428 GtkWidget *rv = acquire_build_menu ( vw, vlp, vvp, vtl, filter_track,
429 menu_title, VIK_DATASOURCE_INPUTTYPE_TRWLAYER_TRACK );
430 g_free ( menu_title );
435 GtkWidget *a_acquire_track_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrack *tr)
437 return acquire_build_menu ( vw, vlp, vvp, NULL, tr, "Filter", VIK_DATASOURCE_INPUTTYPE_TRACK );
440 void a_acquire_set_filter_track ( VikTrack *tr, const gchar *name )
443 vik_track_free ( filter_track );
444 if ( filter_track_name )
445 g_free ( filter_track_name );
448 vik_track_ref ( tr );
450 filter_track_name = g_strdup(name);