2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
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
28 #include <glib/gprintf.h>
29 #include <glib/gi18n.h>
36 /************************ FILTER LIST *******************/
37 // extern VikDataSourceInterface vik_datasource_gps_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;
60 /********************************************************/
62 /* passed along to worker thread */
64 acq_dialog_widgets_t *w;
67 gboolean creating_new_layer;
73 /*********************************************************
74 * Definitions and routines for acquiring data from Data Sources in general
75 *********************************************************/
77 static void progress_func ( BabelProgressCode c, gpointer data, acq_dialog_widgets_t *w )
79 if ( w->source_interface->is_thread ) {
82 if ( w->source_interface->cleanup_func )
83 w->source_interface->cleanup_func ( w->user_data );
85 g_thread_exit ( NULL );
90 if ( w->source_interface->progress_func )
91 w->source_interface->progress_func ( c, data, w );
95 * Some common things to do on completion of a datasource process
97 * . Update dialog info
98 * . Update main dsisplay
100 static void on_complete_process (w_and_interface_t *wi)
102 if (wi->w->running) {
103 gtk_label_set_text ( GTK_LABEL(wi->w->status), _("Done.") );
104 if ( wi->creating_new_layer ) {
105 /* Only create the layer if it actually contains anything useful */
106 // TODO: create function for this operation to hide detail:
107 if ( ! vik_trw_layer_is_empty ( wi->vtl ) ) {
108 vik_layer_post_read ( VIK_LAYER(wi->vtl), wi->w->vvp, TRUE );
109 vik_aggregate_layer_add_layer( vik_layers_panel_get_top_layer(wi->w->vlp), VIK_LAYER(wi->vtl));
112 gtk_label_set_text ( GTK_LABEL(wi->w->status), _("No data.") );
114 /* View this data if available and is desired */
115 if ( wi->vtl && wi->w->source_interface->autoview ) {
116 vik_trw_layer_auto_set_view ( wi->vtl, vik_layers_panel_get_viewport(wi->w->vlp) );
118 if ( wi->w->source_interface->keep_dialog_open ) {
119 gtk_dialog_set_response_sensitive ( GTK_DIALOG(wi->w->dialog), GTK_RESPONSE_ACCEPT, TRUE );
120 gtk_dialog_set_response_sensitive ( GTK_DIALOG(wi->w->dialog), GTK_RESPONSE_REJECT, FALSE );
122 gtk_dialog_response ( GTK_DIALOG(wi->w->dialog), GTK_RESPONSE_ACCEPT );
124 // Main display update
126 vik_layers_panel_emit_update ( wi->w->vlp );
129 if ( wi->creating_new_layer )
130 g_object_unref(wi->vtl);
134 /* this routine is the worker thread. there is only one simultaneous download allowed */
135 static void get_from_anything ( w_and_interface_t *wi )
137 gchar *cmd = wi->cmd;
138 gchar *extra = wi->extra;
139 gboolean result = TRUE;
141 VikDataSourceInterface *source_interface = wi->w->source_interface;
143 if ( source_interface->process_func )
144 result = source_interface->process_func ( wi->vtl, cmd, extra, (BabelStatusFunc) progress_func, wi->w, wi->options );
148 g_free ( wi->options );
150 if (wi->w->running && !result) {
152 gtk_label_set_text ( GTK_LABEL(wi->w->status), _("Error: acquisition failed.") );
153 if ( wi->creating_new_layer )
154 g_object_unref ( G_OBJECT ( wi->vtl ) );
159 on_complete_process ( wi );
163 if ( source_interface->cleanup_func )
164 source_interface->cleanup_func ( wi->w->user_data );
166 if ( wi->w->running ) {
167 wi->w->running = FALSE;
175 g_thread_exit ( NULL );
179 static gchar *write_tmp_trwlayer ( VikTrwLayer *vtl )
184 g_assert ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0);
185 g_debug ("%s: temporary file: %s", __FUNCTION__, name_src);
186 f = fdopen(fd_src, "w");
187 a_gpx_write_file(vtl, f, NULL);
193 /* TODO: write with name of old track */
194 static gchar *write_tmp_track ( VikTrack *track )
199 g_assert ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0);
200 g_debug ("%s: temporary file: %s", __FUNCTION__, name_src);
201 f = fdopen(fd_src, "w");
202 a_gpx_write_track_file(track, f, NULL); /* Thank you Guilhem! Just when I needed this function... -- Evan */
208 /* TODO: cleanup, getr rid of redundancy */
210 /* depending on type of filter, often only vtl or track will be given.
211 * the other can be NULL.
213 static void acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *source_interface,
214 VikTrwLayer *vtl, VikTrack *track )
216 /* for manual dialogs */
217 GtkWidget *dialog = NULL;
221 gchar *cmd_off = NULL;
222 gchar *extra_off = NULL;
223 acq_dialog_widgets_t *w;
225 gpointer options = NULL;
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 gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
257 GtkWidget *response_w = NULL;
258 #if GTK_CHECK_VERSION (2, 20, 0)
259 response_w = gtk_dialog_get_widget_for_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
262 source_interface->add_setup_widgets_func(dialog, vvp, user_data);
263 gtk_window_set_title ( GTK_WINDOW(dialog), _(source_interface->window_title) );
266 gtk_widget_grab_focus ( response_w );
268 if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) {
269 source_interface->cleanup_func(user_data);
270 gtk_widget_destroy(dialog);
274 /* POSSIBILITY 2: UI BUILDER */
275 else if ( source_interface->params ) {
276 paramdatas = a_uibuilder_run_dialog ( source_interface->window_title, GTK_WINDOW(vw),
277 source_interface->params, source_interface->params_count,
278 source_interface->params_groups, source_interface->params_groups_count,
279 source_interface->params_defaults );
281 pass_along_data = paramdatas;
283 return; /* TODO: do we have to free anything here? */
286 /* CREATE INPUT DATA & GET COMMAND STRING */
288 if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRWLAYER ) {
289 gchar *name_src = write_tmp_trwlayer ( vtl );
291 ((VikDataSourceGetCmdStringFuncWithInput) source_interface->get_cmd_string_func)
292 ( pass_along_data, &cmd, &extra, name_src );
295 /* TODO: delete the tmp file? or delete it only after we're done with it? */
296 } else if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRWLAYER_TRACK ) {
297 gchar *name_src = write_tmp_trwlayer ( vtl );
298 gchar *name_src_track = write_tmp_track ( track );
300 ((VikDataSourceGetCmdStringFuncWithInputInput) source_interface->get_cmd_string_func)
301 ( pass_along_data, &cmd, &extra, name_src, name_src_track );
304 g_free ( name_src_track );
305 } else if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRACK ) {
306 gchar *name_src_track = write_tmp_track ( track );
308 ((VikDataSourceGetCmdStringFuncWithInput) source_interface->get_cmd_string_func)
309 ( pass_along_data, &cmd, &extra, name_src_track );
311 g_free ( name_src_track );
312 } else if ( source_interface->get_cmd_string_func )
313 source_interface->get_cmd_string_func ( pass_along_data, &cmd, &extra, &options );
315 /* Get data for Off command */
316 if ( source_interface->off_func ) {
317 source_interface->off_func ( pass_along_data, &cmd_off, &extra_off );
320 /* cleanup for option dialogs */
321 if ( source_interface->add_setup_widgets_func ) {
322 gtk_widget_destroy(dialog);
324 } else if ( source_interface->params ) {
325 a_uibuilder_free_paramdatas ( paramdatas, source_interface->params, source_interface->params_count );
328 w = g_malloc(sizeof(*w));
329 wi = g_malloc(sizeof(*wi));
331 wi->w->source_interface = source_interface;
333 wi->extra = extra; /* usually input data type (?) */
334 wi->options = options;
336 wi->creating_new_layer = (!vtl);
338 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
339 gtk_dialog_set_response_sensitive ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT, FALSE );
340 gtk_window_set_title ( GTK_WINDOW(dialog), _(source_interface->window_title) );
344 status = gtk_label_new (_("Working..."));
345 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), status, FALSE, FALSE, 5 );
346 gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
347 // May not want to see the dialog at all
348 if ( source_interface->is_thread || source_interface->keep_dialog_open )
349 gtk_widget_show_all(dialog);
355 if ( source_interface->add_progress_widgets_func ) {
356 source_interface->add_progress_widgets_func ( dialog, user_data );
358 w->user_data = user_data;
360 if (source_interface->mode == VIK_DATASOURCE_ADDTOLAYER) {
361 VikLayer *current_selected = vik_layers_panel_get_selected ( w->vlp );
362 if ( IS_VIK_TRW_LAYER(current_selected) ) {
363 wi->vtl = VIK_TRW_LAYER(current_selected);
364 wi->creating_new_layer = FALSE;
367 else if ( source_interface->mode == VIK_DATASOURCE_MANUAL_LAYER_MANAGEMENT ) {
368 // Don't create in acquire - as datasource will perform the necessary actions
369 wi->creating_new_layer = FALSE;
370 VikLayer *current_selected = vik_layers_panel_get_selected ( w->vlp );
371 if ( IS_VIK_TRW_LAYER(current_selected) )
372 wi->vtl = VIK_TRW_LAYER(current_selected);
374 if ( wi->creating_new_layer ) {
375 wi->vtl = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, w->vvp, NULL, FALSE ) );
376 vik_layer_rename ( VIK_LAYER ( wi->vtl ), _(source_interface->layer_title) );
379 if ( source_interface->is_thread ) {
381 g_thread_create((GThreadFunc)get_from_anything, wi, FALSE, NULL );
382 gtk_dialog_run ( GTK_DIALOG(dialog) );
384 // Cancel and mark for thread to finish
386 // NB Thread will free memory
390 a_babel_convert_from (NULL, cmd_off, extra_off, NULL, NULL, NULL);
394 g_free ( extra_off );
396 // Thread finished by normal completion - free memory
402 // This shouldn't happen...
403 gtk_label_set_text ( GTK_LABEL(w->status), _("Unable to create command\nAcquire method failed.") );
404 gtk_dialog_run (GTK_DIALOG (dialog));
408 // bypass thread method malarkly - you'll just have to wait...
409 if ( source_interface->process_func ) {
410 gboolean result = source_interface->process_func ( wi->vtl, cmd, extra, (BabelStatusFunc) progress_func, w, options );
412 a_dialog_msg ( GTK_WINDOW(vw), GTK_MESSAGE_ERROR, _("Error: acquisition failed."), NULL );
418 on_complete_process ( wi );
419 // Actually show it if necessary
420 if ( wi->w->source_interface->keep_dialog_open )
421 gtk_dialog_run ( GTK_DIALOG(dialog) );
427 gtk_widget_destroy ( dialog );
433 * Process the given VikDataSourceInterface for sources with no input data.
435 void a_acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *source_interface ) {
436 acquire ( vw, vlp, vvp, source_interface, NULL, NULL );
439 static void acquire_trwlayer_callback ( GObject *menuitem, gpointer *pass_along )
441 VikDataSourceInterface *iface = g_object_get_data ( menuitem, "vik_acq_iface" );
442 VikWindow *vw = pass_along[0];
443 VikLayersPanel *vlp = pass_along[1];
444 VikViewport *vvp = pass_along[2];
445 VikTrwLayer *vtl = pass_along[3];
446 VikTrack *tr = pass_along[4];
448 acquire ( vw, vlp, vvp, iface, vtl, tr );
451 static GtkWidget *acquire_build_menu ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp,
452 VikTrwLayer *vtl, VikTrack *track, /* both passed to acquire, although for many filters only one ness */
453 const gchar *menu_title, vik_datasource_inputtype_t inputtype )
455 static gpointer pass_along[5];
456 GtkWidget *menu_item=NULL, *menu=NULL;
457 GtkWidget *item=NULL;
464 pass_along[4] = track;
466 for ( i = 0; i < N_FILTERS; i++ ) {
467 if ( filters[i]->inputtype == inputtype ) {
468 if ( ! menu_item ) { /* do this just once, but return NULL if no filters */
469 menu = gtk_menu_new();
470 menu_item = gtk_menu_item_new_with_mnemonic ( menu_title );
471 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_item), menu );
474 item = gtk_menu_item_new_with_label ( filters[i]->window_title );
475 g_object_set_data ( G_OBJECT(item), "vik_acq_iface", (gpointer) filters[i] );
476 g_signal_connect ( G_OBJECT(item), "activate", G_CALLBACK(acquire_trwlayer_callback), pass_along );
477 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
478 gtk_widget_show ( item );
486 * a_acquire_trwlayer_menu:
488 * Create a sub menu intended for rightclicking on a TRWLayer's menu called "Filter".
490 * Returns: %NULL if no filters.
492 GtkWidget *a_acquire_trwlayer_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrwLayer *vtl)
494 return acquire_build_menu ( vw, vlp, vvp, vtl, NULL, _("_Filter"), VIK_DATASOURCE_INPUTTYPE_TRWLAYER );
498 * a_acquire_trwlayer_track_menu:
500 * Create a sub menu intended for rightclicking on a TRWLayer's menu called "Filter with Track "TRACKNAME"...".
502 * Returns: %NULL if no filters or no filter track has been set.
504 GtkWidget *a_acquire_trwlayer_track_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrwLayer *vtl)
506 if ( filter_track == NULL )
509 gchar *menu_title = g_strdup_printf ( _("Filter with %s"), filter_track->name );
510 GtkWidget *rv = acquire_build_menu ( vw, vlp, vvp, vtl, filter_track,
511 menu_title, VIK_DATASOURCE_INPUTTYPE_TRWLAYER_TRACK );
512 g_free ( menu_title );
518 * a_acquire_track_menu:
520 * Create a sub menu intended for rightclicking on a track's menu called "Filter".
522 * Returns: %NULL if no applicable filters
524 GtkWidget *a_acquire_track_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrack *tr)
526 return acquire_build_menu ( vw, vlp, vvp, NULL, tr, _("Filter"), VIK_DATASOURCE_INPUTTYPE_TRACK );
530 * a_acquire_set_filter_track:
532 * Sets application-wide track to use with filter. references the track.
534 void a_acquire_set_filter_track ( VikTrack *tr )
537 vik_track_free ( filter_track );
540 vik_track_ref ( tr );