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;
60 /********************************************************/
62 /* passed along to worker thread */
64 acq_dialog_widgets_t *w;
70 /*********************************************************
71 * Definitions and routines for acquiring data from Data Sources in general
72 *********************************************************/
74 static void progress_func ( BabelProgressCode c, gpointer data, acq_dialog_widgets_t *w )
78 if ( w->source_interface->cleanup_func )
79 w->source_interface->cleanup_func( w->user_data );
82 g_thread_exit ( NULL );
86 if ( w->source_interface->progress_func )
87 w->source_interface->progress_func ( (gpointer) c, data, w );
91 /* this routine is the worker thread. there is only one simultaneous download allowed */
92 static void get_from_anything ( w_and_interface_t *wi )
95 gchar *extra = wi->extra;
96 gboolean result = TRUE;
97 VikTrwLayer *vtl = NULL;
99 gboolean creating_new_layer = TRUE;
101 acq_dialog_widgets_t *w = wi->w;
102 VikDataSourceInterface *source_interface = wi->w->source_interface;
107 if (source_interface->mode == VIK_DATASOURCE_ADDTOLAYER) {
108 VikLayer *current_selected = vik_layers_panel_get_selected ( w->vlp );
109 if ( IS_VIK_TRW_LAYER(current_selected) ) {
110 vtl = VIK_TRW_LAYER(current_selected);
111 creating_new_layer = FALSE;
114 if ( creating_new_layer ) {
115 vtl = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, w->vvp, NULL, FALSE ) );
116 vik_layer_rename ( VIK_LAYER ( vtl ), _(source_interface->layer_title) );
117 gtk_label_set_text ( GTK_LABEL(w->status), _("Working...") );
121 // TODO consider removing 'type' and make everything run via the specficied process function
122 switch ( source_interface->type ) {
123 case VIK_DATASOURCE_GPSBABEL_DIRECT:
124 result = a_babel_convert_from (vtl, cmd, extra, (BabelStatusFunc) progress_func, 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);
132 case VIK_DATASOURCE_INTERNAL:
133 if ( source_interface->process_func )
134 result = source_interface->process_func ( vtl, cmd, extra, (BabelStatusFunc) progress_func, w );
137 g_critical("Houston, we've had a problem.");
145 gtk_label_set_text ( GTK_LABEL(w->status), _("Error: acquisition failed.") );
146 if ( creating_new_layer )
147 g_object_unref ( G_OBJECT ( vtl ) );
153 gtk_label_set_text ( GTK_LABEL(w->status), _("Done.") );
154 if ( creating_new_layer ) {
155 /* Only create the layer if it actually contains anything useful */
156 if ( g_hash_table_size (vik_trw_layer_get_tracks(vtl)) ||
157 g_hash_table_size (vik_trw_layer_get_waypoints(vtl)) ) {
158 vik_layer_post_read ( VIK_LAYER(vtl), w->vvp, TRUE );
159 vik_aggregate_layer_add_layer( vik_layers_panel_get_top_layer(w->vlp), VIK_LAYER(vtl));
162 gtk_label_set_text ( GTK_LABEL(w->status), _("No data.") );
164 /* View this data if available and is desired */
165 if ( vtl && source_interface->autoview ) {
166 vik_trw_layer_auto_set_view ( vtl, vik_layers_panel_get_viewport(w->vlp) );
167 vik_layers_panel_emit_update (w->vlp);
169 if ( source_interface->keep_dialog_open ) {
170 gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_ACCEPT, TRUE );
171 gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_REJECT, FALSE );
173 gtk_dialog_response ( GTK_DIALOG(w->dialog), GTK_RESPONSE_ACCEPT );
177 if ( creating_new_layer )
181 if ( source_interface->cleanup_func )
182 source_interface->cleanup_func ( w->user_data );
191 g_thread_exit ( NULL );
195 static gchar *write_tmp_trwlayer ( VikTrwLayer *vtl )
200 g_assert ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0);
201 f = fdopen(fd_src, "w");
202 a_gpx_write_file(vtl, f, NULL);
208 /* TODO: write with name of old track */
209 static gchar *write_tmp_track ( VikTrack *track )
214 g_assert ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0);
215 f = fdopen(fd_src, "w");
216 a_gpx_write_track_file(track, f, NULL); /* Thank you Guilhem! Just when I needed this function... -- Evan */
222 /* TODO: cleanup, getr rid of redundancy */
224 /* depending on type of filter, often only vtl or track will be given.
225 * the other can be NULL.
227 static void acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *source_interface,
228 VikTrwLayer *vtl, VikTrack *track )
230 /* for manual dialogs */
231 GtkWidget *dialog = NULL;
235 gchar *cmd_off = NULL;
236 gchar *extra_off = NULL;
237 acq_dialog_widgets_t *w;
241 gpointer pass_along_data;
242 VikLayerParamData *paramdatas = NULL;
244 w_and_interface_t *wi;
246 /*** INIT AND CHECK EXISTENCE ***/
247 if ( source_interface->init_func )
248 user_data = source_interface->init_func();
251 pass_along_data = user_data;
253 if ( source_interface->check_existence_func ) {
254 gchar *error_str = source_interface->check_existence_func();
256 a_dialog_error_msg ( GTK_WINDOW(vw), error_str );
257 g_free ( error_str );
262 /* BUILD UI & GET OPTIONS IF NECESSARY. */
264 /* POSSIBILITY 0: NO OPTIONS. DO NOTHING HERE. */
265 /* POSSIBILITY 1: ADD_SETUP_WIDGETS_FUNC */
266 if ( source_interface->add_setup_widgets_func ) {
267 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
269 gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
270 GtkWidget *response_w = NULL;
271 #if GTK_CHECK_VERSION (2, 20, 0)
272 response_w = gtk_dialog_get_widget_for_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
275 source_interface->add_setup_widgets_func(dialog, vvp, user_data);
276 gtk_window_set_title ( GTK_WINDOW(dialog), _(source_interface->window_title) );
279 gtk_widget_grab_focus ( response_w );
281 if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) {
282 source_interface->cleanup_func(user_data);
283 gtk_widget_destroy(dialog);
287 /* POSSIBILITY 2: UI BUILDER */
288 else if ( source_interface->params ) {
289 paramdatas = a_uibuilder_run_dialog ( source_interface->window_title, GTK_WINDOW(vw),
290 source_interface->params, source_interface->params_count,
291 source_interface->params_groups, source_interface->params_groups_count,
292 source_interface->params_defaults );
294 pass_along_data = paramdatas;
296 return; /* TODO: do we have to free anything here? */
299 /* CREATE INPUT DATA & GET COMMAND STRING */
301 if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRWLAYER ) {
302 gchar *name_src = write_tmp_trwlayer ( vtl );
304 ((VikDataSourceGetCmdStringFuncWithInput) source_interface->get_cmd_string_func)
305 ( pass_along_data, &cmd, &extra, name_src );
308 /* TODO: delete the tmp file? or delete it only after we're done with it? */
309 } else if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRWLAYER_TRACK ) {
310 gchar *name_src = write_tmp_trwlayer ( vtl );
311 gchar *name_src_track = write_tmp_track ( track );
313 ((VikDataSourceGetCmdStringFuncWithInputInput) source_interface->get_cmd_string_func)
314 ( pass_along_data, &cmd, &extra, name_src, name_src_track );
317 g_free ( name_src_track );
318 } else if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRACK ) {
319 gchar *name_src_track = write_tmp_track ( track );
321 ((VikDataSourceGetCmdStringFuncWithInput) source_interface->get_cmd_string_func)
322 ( pass_along_data, &cmd, &extra, name_src_track );
324 g_free ( name_src_track );
325 } else if ( source_interface->get_cmd_string_func )
326 source_interface->get_cmd_string_func ( pass_along_data, &cmd, &extra );
328 /* Get data for Off command */
329 if ( source_interface->off_func ) {
330 source_interface->off_func ( pass_along_data, &cmd_off, &extra_off );
333 /* cleanup for option dialogs */
334 if ( source_interface->add_setup_widgets_func ) {
335 gtk_widget_destroy(dialog);
337 } else if ( source_interface->params ) {
338 a_uibuilder_free_paramdatas ( paramdatas, source_interface->params, source_interface->params_count );
341 /*** LET'S DO IT! ***/
346 w = g_malloc(sizeof(*w));
347 wi = g_malloc(sizeof(*wi));
349 wi->w->source_interface = source_interface;
351 wi->extra = extra; /* usually input data type (?) */
353 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
354 gtk_dialog_set_response_sensitive ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT, FALSE );
355 gtk_window_set_title ( GTK_WINDOW(dialog), _(source_interface->window_title) );
360 status = gtk_label_new (_("Status: detecting gpsbabel"));
361 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), status, FALSE, FALSE, 5 );
362 gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
363 gtk_widget_show_all(status);
369 if ( source_interface->add_progress_widgets_func ) {
370 source_interface->add_progress_widgets_func ( dialog, user_data );
372 w->user_data = user_data;
375 g_thread_create((GThreadFunc)get_from_anything, wi, FALSE, NULL );
377 gtk_dialog_run ( GTK_DIALOG(dialog) );
379 w->ok = FALSE; /* tell thread to stop. TODO: add mutex */
383 a_babel_convert_from (NULL, cmd_off, extra_off, NULL, NULL);
385 g_free ( w ); /* thread has finished; free w */
387 gtk_widget_destroy ( dialog );
390 void a_acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *source_interface ) {
391 acquire ( vw, vlp, vvp, source_interface, NULL, NULL );
394 static void acquire_trwlayer_callback ( GObject *menuitem, gpointer *pass_along )
396 VikDataSourceInterface *iface = g_object_get_data ( menuitem, "vik_acq_iface" );
397 VikWindow *vw = pass_along[0];
398 VikLayersPanel *vlp = pass_along[1];
399 VikViewport *vvp = pass_along[2];
400 VikTrwLayer *vtl = pass_along[3];
401 VikTrack *tr = pass_along[4];
403 acquire ( vw, vlp, vvp, iface, vtl, tr );
406 static GtkWidget *acquire_build_menu ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp,
407 VikTrwLayer *vtl, VikTrack *track, /* both passed to acquire, although for many filters only one ness */
408 const gchar *menu_title, vik_datasource_inputtype_t inputtype )
410 static gpointer pass_along[5];
411 GtkWidget *menu_item=NULL, *menu=NULL;
412 GtkWidget *item=NULL;
419 pass_along[4] = track;
421 for ( i = 0; i < N_FILTERS; i++ ) {
422 if ( filters[i]->inputtype == inputtype ) {
423 if ( ! menu_item ) { /* do this just once, but return NULL if no filters */
424 menu = gtk_menu_new();
425 menu_item = gtk_menu_item_new_with_mnemonic ( menu_title );
426 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_item), menu );
429 item = gtk_menu_item_new_with_label ( filters[i]->window_title );
430 g_object_set_data ( G_OBJECT(item), "vik_acq_iface", (gpointer) filters[i] );
431 g_signal_connect ( G_OBJECT(item), "activate", G_CALLBACK(acquire_trwlayer_callback), pass_along );
432 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
433 gtk_widget_show ( item );
440 GtkWidget *a_acquire_trwlayer_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrwLayer *vtl)
442 return acquire_build_menu ( vw, vlp, vvp, vtl, NULL, "_Filter", VIK_DATASOURCE_INPUTTYPE_TRWLAYER );
445 GtkWidget *a_acquire_trwlayer_track_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrwLayer *vtl)
447 if ( filter_track == NULL )
450 gchar *menu_title = g_strdup_printf ( "Filter with %s", filter_track->name );
451 GtkWidget *rv = acquire_build_menu ( vw, vlp, vvp, vtl, filter_track,
452 menu_title, VIK_DATASOURCE_INPUTTYPE_TRWLAYER_TRACK );
453 g_free ( menu_title );
458 GtkWidget *a_acquire_track_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrack *tr)
460 return acquire_build_menu ( vw, vlp, vvp, NULL, tr, "Filter", VIK_DATASOURCE_INPUTTYPE_TRACK );
463 void a_acquire_set_filter_track ( VikTrack *tr )
466 vik_track_free ( filter_track );
469 vik_track_ref ( tr );