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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Authors: Rodrigo Moya <rodrigo@novell.com>
* Philip Van Hoof <pvanhoof@gnome.org>
*
* Copyright 2004 Novell, Inc. (www.novell.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib.h>
#include <glib/gi18n.h>
#include <gtk/gtkfilechooser.h>
#include <gtk/gtkfilechooserdialog.h>
#include <gtk/gtkmessagedialog.h>
#include <gtk/gtkstock.h>
#include <gtk/gtk.h>
#include <libedataserver/e-source.h>
#include <libedataserverui/e-source-selector.h>
#include <libecal/e-cal.h>
#include <libecal/e-cal-util.h>
#include <calendar/gui/e-cal-popup.h>
#include <calendar/common/authentication.h>
#include <string.h>
#include "format-handler.h"
#include "e-util/e-error.h"
static void
display_error_message (GtkWidget *parent, const char *message)
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (GTK_WINDOW (parent), 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", message);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
}
typedef struct {
GHashTable *zones;
ECal *ecal;
} CompTzData;
static void
insert_tz_comps (icalparameter *param, void *cb_data)
{
const char *tzid;
CompTzData *tdata = cb_data;
icaltimezone *zone = NULL;
icalcomponent *tzcomp;
GError *error = NULL;
tzid = icalparameter_get_tzid (param);
if (g_hash_table_lookup (tdata->zones, tzid))
return;
if (!e_cal_get_timezone (tdata->ecal, tzid, &zone, &error)) {
g_warning ("Could not get the timezone information for %s : %s \n", tzid, error->message);
g_error_free (error);
return;
}
tzcomp = icalcomponent_new_clone (icaltimezone_get_component (zone));
g_hash_table_insert (tdata->zones, (gpointer) tzid, (gpointer) tzcomp);
}
static void
append_tz_to_comp (gpointer key, gpointer value, icalcomponent *toplevel)
{
icalcomponent_add_component (toplevel, (icalcomponent *) value);
}
static void
do_save_calendar_ical (FormatHandler *handler, EPlugin *ep, ECalPopupTargetSource *target, ECalSourceType type, char *dest_uri)
{
ESource *primary_source;
ECal *source_client;
GError *error = NULL;
GList *objects;
icalcomponent *top_level = NULL;
primary_source = e_source_selector_peek_primary_selection (target->selector);
if (!dest_uri)
return;
/* open source client */
source_client = (ECal*) auth_new_cal_from_source (primary_source, type);
if (!e_cal_open (source_client, TRUE, &error)) {
display_error_message (gtk_widget_get_toplevel (GTK_WIDGET (target->selector)), error->message);
g_object_unref (source_client);
g_error_free (error);
return;
}
/* create destination file */
top_level = e_cal_util_new_top_level ();
error = NULL;
if (e_cal_get_object_list (source_client, "#t", &objects, &error)) {
CompTzData tdata;
GOutputStream *stream;
tdata.zones = g_hash_table_new (g_str_hash, g_str_equal);
tdata.ecal = source_client;
while (objects != NULL) {
icalcomponent *icalcomp = objects->data;
icalcomponent_foreach_tzid (icalcomp, insert_tz_comps, &tdata);
icalcomponent_add_component (top_level, icalcomp);
/* remove item from the list */
objects = g_list_remove (objects, icalcomp);
}
g_hash_table_foreach (tdata.zones, (GHFunc) append_tz_to_comp, top_level);
g_hash_table_destroy (tdata.zones);
tdata.zones = NULL;
/* save the file */
stream = open_for_writing (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (target->selector))), dest_uri, &error);
if (stream) {
char *ical_str = icalcomponent_as_ical_string (top_level);
g_output_stream_write_all (stream, ical_str, strlen (ical_str), NULL, NULL, &error);
g_output_stream_close (stream, NULL, NULL);
g_object_unref (stream);
g_free (ical_str);
}
}
if (error) {
display_error_message (gtk_widget_get_toplevel (GTK_WIDGET (target->selector)), error->message);
g_error_free (error);
}
/* terminate */
g_object_unref (source_client);
icalcomponent_free (top_level);
}
FormatHandler *ical_format_handler_new (void)
{
FormatHandler *handler = g_new (FormatHandler, 1);
handler->isdefault = TRUE;
handler->combo_label = _("iCalendar format (.ics)");
handler->filename_ext = ".ics";
handler->options_widget = NULL;
handler->save = do_save_calendar_ical;
handler->data = NULL;
return handler;
}
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