2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
5 * Copyright (C) 2013, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
6 * Copyright (C) 2015, Rob Norris <rw_norris@hotmail.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #include <glib/gprintf.h>
30 #include <glib/gi18n.h>
36 #include "vikrouting.h"
40 GtkWidget *engines_combo;
41 GtkWidget *from_entry, *to_entry;
42 } datasource_routing_widgets_t;
44 /* Memory of previous selection */
45 static gint last_engine = 0;
46 static gchar *last_from_str = NULL;
47 static gchar *last_to_str = NULL;
49 static gpointer datasource_routing_init ( acq_vik_t *avt );
50 static gchar *datasource_routing_check_existence ();
51 static void datasource_routing_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data );
52 static void datasource_routing_get_process_options ( datasource_routing_widgets_t *widgets, ProcessOptions *po, DownloadFileOptions *options, const gchar *not_used2, const gchar *not_used3 );
53 static void datasource_routing_cleanup ( gpointer data );
55 VikDataSourceInterface vik_datasource_routing_interface = {
58 VIK_DATASOURCE_AUTO_LAYER_MANAGEMENT,
59 VIK_DATASOURCE_INPUTTYPE_NONE,
63 (VikDataSourceInitFunc) datasource_routing_init,
64 (VikDataSourceCheckExistenceFunc) datasource_routing_check_existence,
65 (VikDataSourceAddSetupWidgetsFunc) datasource_routing_add_setup_widgets,
66 (VikDataSourceGetProcessOptionsFunc) datasource_routing_get_process_options,
67 (VikDataSourceProcessFunc) a_babel_convert_from,
68 (VikDataSourceProgressFunc) NULL,
69 (VikDataSourceAddProgressWidgetsFunc) NULL,
70 (VikDataSourceCleanupFunc) datasource_routing_cleanup,
71 (VikDataSourceOffFunc) NULL,
80 static gpointer datasource_routing_init ( acq_vik_t *avt )
82 datasource_routing_widgets_t *widgets = g_malloc(sizeof(*widgets));
86 static gchar *datasource_routing_check_existence ()
88 if ( vik_routing_number_of_engines (VIK_ROUTING_METHOD_DIRECTIONS) > 0 )
90 return g_strdup ( _("No routing engines with directions available") );
93 static void datasource_routing_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data )
95 datasource_routing_widgets_t *widgets = (datasource_routing_widgets_t *)user_data;
96 GtkWidget *engine_label, *from_label, *to_label;
99 engine_label = gtk_label_new (_("Engine:"));
100 widgets->engines_combo = vik_routing_ui_selector_new ((Predicate)vik_routing_engine_supports_direction, NULL);
101 gtk_combo_box_set_active (GTK_COMBO_BOX (widgets->engines_combo), last_engine);
103 /* From and To entries */
104 from_label = gtk_label_new (_("From:"));
105 to_label = gtk_label_new (_("To:"));
106 widgets->from_entry = ui_entry_new ( last_from_str, GTK_ENTRY_ICON_SECONDARY );
107 widgets->to_entry = ui_entry_new ( last_from_str, GTK_ENTRY_ICON_SECONDARY );
109 /* Packing all these widgets */
110 GtkBox *box = GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog)));
111 gtk_box_pack_start ( box, engine_label, FALSE, FALSE, 5 );
112 gtk_box_pack_start ( box, widgets->engines_combo, FALSE, FALSE, 5 );
113 gtk_box_pack_start ( box, from_label, FALSE, FALSE, 5 );
114 gtk_box_pack_start ( box, widgets->from_entry, FALSE, FALSE, 5 );
115 gtk_box_pack_start ( box, to_label, FALSE, FALSE, 5 );
116 gtk_box_pack_start ( box, widgets->to_entry, FALSE, FALSE, 5 );
117 gtk_widget_show_all(dialog);
120 static void datasource_routing_get_process_options ( datasource_routing_widgets_t *widgets, ProcessOptions *po, DownloadFileOptions *options, const gchar *not_used2, const gchar *not_used3 )
122 const gchar *from, *to;
124 /* Retrieve directions */
125 from = gtk_entry_get_text ( GTK_ENTRY(widgets->from_entry) );
126 to = gtk_entry_get_text ( GTK_ENTRY(widgets->to_entry) );
128 /* Retrieve engine */
129 last_engine = gtk_combo_box_get_active ( GTK_COMBO_BOX(widgets->engines_combo) );
130 VikRoutingEngine *engine = vik_routing_ui_selector_get_nth ( widgets->engines_combo, last_engine );
131 if ( !engine ) return;
133 po->url = vik_routing_engine_get_url_from_directions ( engine, from, to );
134 po->input_file_type = g_strdup ( vik_routing_engine_get_format (engine) );
135 options = NULL; // i.e. use the default download settings
137 /* Save last selection */
138 g_free ( last_from_str );
139 g_free ( last_to_str );
141 last_from_str = g_strdup( from );
142 last_to_str = g_strdup( to );
145 static void datasource_routing_cleanup ( gpointer data )