2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2011, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
5 * Copyright (C) 2015, 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
27 #include <glib/gprintf.h>
28 #include <glib/gi18n.h>
41 } datasource_file_widgets_t;
43 /* The last used directory */
44 static gchar *last_folder_uri = NULL;
46 /* The last used file filter */
47 /* Nb: we use a complex strategy for this because the UI is rebuild each
48 time, so it is not possible to reuse directly the GtkFileFilter as they are
50 static BabelFile *last_file_filter = NULL;
52 /* The last file format selected */
53 static int last_type = 0;
55 static gpointer datasource_file_init ( acq_vik_t *avt );
56 static void datasource_file_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data );
57 static void datasource_file_get_process_options ( datasource_file_widgets_t *widgets, ProcessOptions *po, gpointer not_used, const gchar *not_used2, const gchar *not_used3 );
58 static void datasource_file_cleanup ( gpointer data );
60 VikDataSourceInterface vik_datasource_file_interface = {
61 N_("Import file with GPSBabel"),
63 VIK_DATASOURCE_AUTO_LAYER_MANAGEMENT,
64 VIK_DATASOURCE_INPUTTYPE_NONE,
68 (VikDataSourceInitFunc) datasource_file_init,
69 (VikDataSourceCheckExistenceFunc) NULL,
70 (VikDataSourceAddSetupWidgetsFunc) datasource_file_add_setup_widgets,
71 (VikDataSourceGetProcessOptionsFunc) datasource_file_get_process_options,
72 (VikDataSourceProcessFunc) a_babel_convert_from,
73 (VikDataSourceProgressFunc) NULL,
74 (VikDataSourceAddProgressWidgetsFunc) NULL,
75 (VikDataSourceCleanupFunc) datasource_file_cleanup,
76 (VikDataSourceOffFunc) NULL,
85 /* See VikDataSourceInterface */
86 static gpointer datasource_file_init ( acq_vik_t *avt )
88 datasource_file_widgets_t *widgets = g_malloc(sizeof(*widgets));
92 static void add_file_filter (gpointer data, gpointer user_data)
94 GtkFileChooser *chooser = GTK_FILE_CHOOSER ( user_data );
95 const gchar *label = ((BabelFile*) data)->label;
96 const gchar *ext = ((BabelFile*) data)->ext;
97 if ( ext == NULL || ext[0] == '\0' )
98 /* No file extension => no filter */
100 gchar *pattern = g_strdup_printf ( "*.%s", ext );
102 GtkFileFilter *filter = gtk_file_filter_new ();
103 gtk_file_filter_add_pattern ( filter, pattern );
104 if ( strstr ( label, pattern+1 ) ) {
105 gtk_file_filter_set_name ( filter, label );
107 /* Ensure displayed label contains file pattern */
108 /* NB: we skip the '*' in the pattern */
109 gchar *name = g_strdup_printf ( "%s (%s)", label, pattern+1 );
110 gtk_file_filter_set_name ( filter, name );
113 g_object_set_data ( G_OBJECT(filter), "Babel", data );
114 gtk_file_chooser_add_filter ( chooser, filter );
115 if ( last_file_filter == data )
116 /* Previous selection used this filter */
117 gtk_file_chooser_set_filter ( chooser, filter );
122 /* See VikDataSourceInterface */
123 static void datasource_file_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data )
125 datasource_file_widgets_t *widgets = (datasource_file_widgets_t *)user_data;
126 GtkWidget *filename_label, *type_label;
128 /* The file selector */
129 filename_label = gtk_label_new (_("File:"));
130 widgets->file = gtk_file_chooser_button_new (_("File to import"), GTK_FILE_CHOOSER_ACTION_OPEN);
132 gtk_file_chooser_set_current_folder_uri ( GTK_FILE_CHOOSER(widgets->file), last_folder_uri);
134 g_list_foreach ( a_babel_file_list, add_file_filter, widgets->file );
135 GtkFileFilter *all_filter = gtk_file_filter_new ();
136 gtk_file_filter_add_pattern ( all_filter, "*" );
137 gtk_file_filter_set_name ( all_filter, _("All files") );
138 gtk_file_chooser_add_filter ( GTK_FILE_CHOOSER(widgets->file), all_filter );
139 if ( last_file_filter == NULL )
140 /* No previously selected filter or 'All files' selected */
141 gtk_file_chooser_set_filter ( GTK_FILE_CHOOSER(widgets->file), all_filter );
143 /* The file format selector */
144 type_label = gtk_label_new (_("File type:"));
145 /* Propose any readable file */
146 BabelMode mode = { 1, 0, 1, 0, 1, 0 };
147 widgets->type = a_babel_ui_file_type_selector_new ( mode );
148 g_signal_connect ( G_OBJECT(widgets->type), "changed",
149 G_CALLBACK(a_babel_ui_type_selector_dialog_sensitivity_cb), dialog );
150 gtk_combo_box_set_active ( GTK_COMBO_BOX(widgets->type), last_type );
151 /* Manually call the callback to fix the state */
152 a_babel_ui_type_selector_dialog_sensitivity_cb ( GTK_COMBO_BOX(widgets->type), dialog );
154 /* Packing all these widgets */
155 GtkBox *box = GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog)));
156 gtk_box_pack_start ( box, filename_label, FALSE, FALSE, 5 );
157 gtk_box_pack_start ( box, widgets->file, FALSE, FALSE, 5 );
158 gtk_box_pack_start ( box, type_label, FALSE, FALSE, 5 );
159 gtk_box_pack_start ( box, widgets->type, FALSE, FALSE, 5 );
160 gtk_widget_show_all(dialog);
163 /* See VikDataSourceInterface */
164 static void datasource_file_get_process_options ( datasource_file_widgets_t *widgets, ProcessOptions *po, gpointer not_used, const gchar *not_used2, const gchar *not_used3 )
166 /* Retrieve the file selected */
167 gchar *filename = gtk_file_chooser_get_filename ( GTK_FILE_CHOOSER(widgets->file) );
169 /* Memorize the directory for later use */
170 g_free (last_folder_uri);
171 last_folder_uri = gtk_file_chooser_get_current_folder_uri ( GTK_FILE_CHOOSER(widgets->file) );
173 /* Memorize the file filter for later use */
174 GtkFileFilter *filter = gtk_file_chooser_get_filter ( GTK_FILE_CHOOSER(widgets->file) );
175 last_file_filter = g_object_get_data ( G_OBJECT(filter), "Babel" );
177 /* Retrieve and memorize file format selected */
179 last_type = gtk_combo_box_get_active ( GTK_COMBO_BOX (widgets->type) );
180 type = (a_babel_ui_file_type_selector_get ( widgets->type ))->name;
182 /* Generate the process options */
183 po->babelargs = g_strdup_printf( "-i %s", type);
184 po->filename = g_strdup(filename);
189 g_debug(_("using babel args '%s' and file '%s'"), po->babelargs, po->filename);
192 /* See VikDataSourceInterface */
193 static void datasource_file_cleanup ( gpointer data )