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;
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 vik_aggregate_layer_add_layer( vik_layers_panel_get_top_layer(w->vlp), VIK_LAYER(vtl));
152 if ( source_interface->keep_dialog_open ) {
153 gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_ACCEPT, TRUE );
154 gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_REJECT, FALSE );
156 gtk_dialog_response ( GTK_DIALOG(w->dialog), GTK_RESPONSE_ACCEPT );
160 if ( creating_new_layer )
164 if ( source_interface->cleanup_func )
165 source_interface->cleanup_func ( w->user_data );
174 g_thread_exit ( NULL );
178 static gchar *write_tmp_trwlayer ( VikTrwLayer *vtl )
183 g_assert ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0);
184 f = fdopen(fd_src, "w");
185 a_gpx_write_file(vtl, f);
191 /* TODO: write with name of old track */
192 static gchar *write_tmp_track ( VikTrack *track )
197 g_assert ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0);
198 f = fdopen(fd_src, "w");
199 a_gpx_write_track_file("track", track, f); /* Thank you Guilhem! Just when I needed this function... -- Evan */
205 /* TODO: cleanup, getr rid of redundancy */
207 /* depending on type of filter, often only vtl or track will be given.
208 * the other can be NULL.
210 static void acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *source_interface,
211 VikTrwLayer *vtl, VikTrack *track )
213 /* for manual dialogs */
214 GtkWidget *dialog = NULL;
217 acq_dialog_widgets_t *w;
221 gpointer pass_along_data;
222 VikLayerParamData *paramdatas = NULL;
224 w_and_interface_t *wi;
226 /*** INIT AND CHECK EXISTENCE ***/
227 if ( source_interface->init_func )
228 user_data = source_interface->init_func();
231 pass_along_data = user_data;
233 if ( source_interface->check_existence_func ) {
234 gchar *error_str = source_interface->check_existence_func();
236 a_dialog_error_msg ( GTK_WINDOW(vw), error_str );
237 g_free ( error_str );
242 /* BUILD UI & GET OPTIONS IF NECESSARY. */
244 /* POSSIBILITY 0: NO OPTIONS. DO NOTHING HERE. */
245 /* POSSIBILITY 1: ADD_SETUP_WIDGETS_FUNC */
246 if ( source_interface->add_setup_widgets_func ) {
247 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
249 source_interface->add_setup_widgets_func(dialog, vvp, user_data);
250 gtk_window_set_title ( GTK_WINDOW(dialog), _(source_interface->window_title) );
252 if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) {
253 source_interface->cleanup_func(user_data);
254 gtk_widget_destroy(dialog);
258 /* POSSIBILITY 2: UI BUILDER */
259 else if ( source_interface->params ) {
260 paramdatas = a_uibuilder_run_dialog ( GTK_WINDOW(vw),
261 source_interface->params, source_interface->params_count,
262 source_interface->params_groups, source_interface->params_groups_count,
263 source_interface->params_defaults );
265 pass_along_data = paramdatas;
267 return; /* TODO: do we have to free anything here? */
270 /* CREATE INPUT DATA & GET COMMAND STRING */
272 if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRWLAYER ) {
273 gchar *name_src = write_tmp_trwlayer ( vtl );
275 ((VikDataSourceGetCmdStringFuncWithInput) source_interface->get_cmd_string_func)
276 ( pass_along_data, &cmd, &extra, name_src );
279 /* TODO: delete the tmp file? or delete it only after we're done with it? */
280 } else if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRWLAYER_TRACK ) {
281 gchar *name_src = write_tmp_trwlayer ( vtl );
282 gchar *name_src_track = write_tmp_track ( track );
284 ((VikDataSourceGetCmdStringFuncWithInputInput) source_interface->get_cmd_string_func)
285 ( pass_along_data, &cmd, &extra, name_src, name_src_track );
288 g_free ( name_src_track );
289 } else if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRACK ) {
290 gchar *name_src_track = write_tmp_track ( track );
292 ((VikDataSourceGetCmdStringFuncWithInput) source_interface->get_cmd_string_func)
293 ( pass_along_data, &cmd, &extra, name_src_track );
295 g_free ( name_src_track );
297 source_interface->get_cmd_string_func ( pass_along_data, &cmd, &extra );
299 /* cleanup for option dialogs */
300 if ( source_interface->add_setup_widgets_func ) {
301 gtk_widget_destroy(dialog);
303 } else if ( source_interface->params ) {
304 a_uibuilder_free_paramdatas ( paramdatas, source_interface->params, source_interface->params_count );
307 /*** LET'S DO IT! ***/
312 w = g_malloc(sizeof(*w));
313 wi = g_malloc(sizeof(*wi));
315 wi->w->source_interface = source_interface;
317 wi->extra = extra; /* usually input data type (?) */
319 dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
320 gtk_dialog_set_response_sensitive ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT, FALSE );
321 gtk_window_set_title ( GTK_WINDOW(dialog), _(source_interface->window_title) );
326 status = gtk_label_new (_("Status: detecting gpsbabel"));
327 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), status, FALSE, FALSE, 5 );
328 gtk_widget_show_all(status);
334 if ( source_interface->add_progress_widgets_func ) {
335 source_interface->add_progress_widgets_func ( dialog, user_data );
337 w->user_data = user_data;
340 g_thread_create((GThreadFunc)get_from_anything, wi, FALSE, NULL );
342 gtk_dialog_run ( GTK_DIALOG(dialog) );
344 w->ok = FALSE; /* tell thread to stop. TODO: add mutex */
346 g_free ( w ); /* thread has finished; free w */
348 gtk_widget_destroy ( dialog );
351 void a_acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *source_interface ) {
352 acquire ( vw, vlp, vvp, source_interface, NULL, NULL );
355 static void acquire_trwlayer_callback ( GObject *menuitem, gpointer *pass_along )
357 VikDataSourceInterface *iface = g_object_get_data ( menuitem, "vik_acq_iface" );
358 VikWindow *vw = pass_along[0];
359 VikLayersPanel *vlp = pass_along[1];
360 VikViewport *vvp = pass_along[2];
361 VikTrwLayer *vtl = pass_along[3];
362 VikTrack *tr = pass_along[4];
364 acquire ( vw, vlp, vvp, iface, vtl, tr );
367 static GtkWidget *acquire_build_menu ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp,
368 VikTrwLayer *vtl, VikTrack *track, /* both passed to acquire, although for many filters only one ness */
369 const gchar *menu_title, vik_datasource_inputtype_t inputtype )
371 static gpointer pass_along[4];
372 GtkWidget *menu_item=NULL, *menu=NULL;
373 GtkWidget *item=NULL;
380 pass_along[4] = track;
382 for ( i = 0; i < N_FILTERS; i++ ) {
383 if ( filters[i]->inputtype == inputtype ) {
384 if ( ! menu_item ) { /* do this just once, but return NULL if no filters */
385 menu = gtk_menu_new();
386 menu_item = gtk_menu_item_new_with_label ( menu_title );
387 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_item), menu );
390 item = gtk_menu_item_new_with_label ( filters[i]->window_title );
391 g_object_set_data ( G_OBJECT(item), "vik_acq_iface", (gpointer) filters[i] );
392 g_signal_connect ( G_OBJECT(item), "activate", G_CALLBACK(acquire_trwlayer_callback), pass_along );
393 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
394 gtk_widget_show ( item );
401 GtkWidget *a_acquire_trwlayer_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrwLayer *vtl)
403 return acquire_build_menu ( vw, vlp, vvp, vtl, NULL, "Filter", VIK_DATASOURCE_INPUTTYPE_TRWLAYER );
406 GtkWidget *a_acquire_trwlayer_track_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrwLayer *vtl)
408 if ( filter_track == NULL )
411 gchar *menu_title = g_strdup_printf ( "Filter with %s", filter_track_name );
412 GtkWidget *rv = acquire_build_menu ( vw, vlp, vvp, vtl, filter_track,
413 menu_title, VIK_DATASOURCE_INPUTTYPE_TRWLAYER_TRACK );
414 g_free ( menu_title );
419 GtkWidget *a_acquire_track_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrack *tr)
421 return acquire_build_menu ( vw, vlp, vvp, NULL, tr, "Filter", VIK_DATASOURCE_INPUTTYPE_TRACK );
424 void a_acquire_set_filter_track ( VikTrack *tr, const gchar *name )
427 vik_track_free ( filter_track );
428 if ( filter_track_name )
429 g_free ( filter_track_name );
432 vik_track_ref ( tr );
434 filter_track_name = g_strdup(name);