static int load_all(char *fn, buffer *buf)
{
char *fmt = guess_file_format(fn);
int n = fmt_index(fmt);
if (fmt && n >= 0 && fileformats[n].load) {
return loadmatrix(fn, buf, fmt);
}
n = select_from_list(_("Which format?"), loader_patterns, nloader);
if (n < 0) return -1;
return loadmatrix(fn, buf, loader_patterns[n]);
}
static gboolean datasource_osm_my_traces_process ( VikTrwLayer *vtl, const gchar *cmd, const gchar *extra, BabelStatusFunc status_cb, acq_dialog_widgets_t *adw, DownloadMapOptions *options_unused )
{
//datasource_osm_my_traces_t *data = (datasource_osm_my_traces_t *)adw->user_data;
gboolean result;
gchar *user_pass = osm_get_login();
DownloadMapOptions options = { FALSE, FALSE, NULL, 2, NULL, user_pass }; // Allow a couple of redirects
xml_data *xd = g_malloc ( sizeof (xml_data) );
//xd->xpath = g_string_new ( "" );
xd->c_cdata = g_string_new ( "" );
xd->current_tag = tt_unknown;
xd->current_gpx_meta_data = new_gpx_meta_data_t();
xd->list_of_gpx_meta_data = NULL;
gchar *tmpname = a_download_uri_to_tmp_file ( DS_OSM_TRACES_GPX_FILES, &options );
result = read_gpx_files_metadata_xml ( tmpname, xd );
// Test already downloaded metadata file: eg:
//result = read_gpx_files_metadata_xml ( "/tmp/viking-download.GI47PW", xd );
if ( tmpname ) {
g_remove ( tmpname );
g_free ( tmpname );
}
if ( ! result )
return FALSE;
if ( g_list_length ( xd->list_of_gpx_meta_data ) == 0 ) {
if (!vik_datasource_osm_my_traces_interface.is_thread)
none_found ( GTK_WINDOW(adw->vw) );
return FALSE;
}
xd->list_of_gpx_meta_data = g_list_reverse ( xd->list_of_gpx_meta_data );
set_in_current_view_property ( vtl, adw->user_data, xd->list_of_gpx_meta_data );
if (vik_datasource_osm_my_traces_interface.is_thread) gdk_threads_enter();
GList *selected = select_from_list ( GTK_WINDOW(adw->vw), xd->list_of_gpx_meta_data, "Select GPS Traces", "Select the GPS traces you want to add." );
if (vik_datasource_osm_my_traces_interface.is_thread) gdk_threads_leave();
// If passed in on an existing layer - we will create everything into that.
// thus with many differing gpx's - this will combine all waypoints into this single layer!
// Hence the preference is to create multiple layers
// and so this creation of the layers must be managed here
gboolean create_new_layer = ( !vtl );
// Only update the screen on the last layer acquired
VikTrwLayer *vtl_last = vtl;
gboolean got_something = FALSE;
GList *selected_iterator = selected;
while ( selected_iterator ) {
VikTrwLayer *vtlX = vtl;
if ( create_new_layer ) {
// Have data but no layer - so create one
vtlX = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, vik_window_viewport(adw->vw), NULL, FALSE ) );
if ( ((gpx_meta_data_t*)selected_iterator->data)->name )
vik_layer_rename ( VIK_LAYER ( vtlX ), ((gpx_meta_data_t*)selected_iterator->data)->name );
else
vik_layer_rename ( VIK_LAYER ( vtlX ), _("My OSM Traces") );
vik_aggregate_layer_add_layer ( vik_layers_panel_get_top_layer (adw->vlp), VIK_LAYER(vtlX) );
}
result = FALSE;
gint gpx_id = ((gpx_meta_data_t*)selected_iterator->data)->id;
if ( gpx_id ) {
gchar *url = g_strdup_printf ( DS_OSM_TRACES_GPX_URL_FMT, gpx_id );
result = a_babel_convert_from_url ( vtlX, url, "gpx", status_cb, adw, &options );
// TODO investigate using a progress bar:
// http://developer.gnome.org/gtk/2.24/GtkProgressBar.html
got_something = got_something || result;
// TODO feedback to UI to inform which traces failed
if ( !result )
g_warning ( _("Unable to get trace: %s"), url );
}
if ( result ) {
// Move to area of the track
vik_trw_layer_auto_set_view ( vtlX, vik_window_viewport(adw->vw) );
vik_layer_post_read ( VIK_LAYER(vtlX), vik_window_viewport(adw->vw), TRUE );
vtl_last = vtlX;
}
else if ( create_new_layer ) {
// Layer not needed as no data has been acquired
g_object_unref ( vtlX );
}
selected_iterator = g_list_next ( selected_iterator );
}
// Free memory
if ( xd->current_gpx_meta_data )
free_gpx_meta_data ( xd->current_gpx_meta_data, NULL );
g_free ( xd->current_gpx_meta_data );
free_gpx_meta_data_list ( xd->list_of_gpx_meta_data );
free_gpx_meta_data_list ( selected );
g_free ( xd );
g_free ( user_pass );
// Would prefer to keep the update in acquire.c,
// however since we may create the layer - need to do the update here
if ( got_something )
vik_layer_emit_update ( VIK_LAYER(vtl_last) );
// ATM The user is only informed if all getting *all* of the traces failed
if ( selected )
result = got_something;
else
// Process was cancelled but need to return that it proceeded as expected
result = TRUE;
return result;
}