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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
 *
 *  Authors: Rodrigo Moya <jpr@novell.com>
 *
 *  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., 59 Temple Street #330, Boston, MA 02111-1307, USA.
 *
 */

/* This is prototype code only, this may, or may not, use undocumented
 * unstable or private internal function calls. */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <glib.h>
#include <glib/gi18n.h>
#ifdef USE_GTKFILECHOOSER
#  include <gtk/gtkfilechooser.h>
#  include <gtk/gtkfilechooserdialog.h>
#else
#  include <gtk/gtkfilesel.h>
#endif
#include <gtk/gtkstock.h>
#include <libedataserver/e-source.h>
#include <libedataserverui/e-source-selector.h>
#include <libecal/e-cal.h>
#include <calendar/gui/e-cal-popup.h>

void org_gnome_save_calendar (EPlugin *ep, ECalPopupTargetSource *target);
void org_gnome_save_tasks (EPlugin *ep, ECalPopupTargetSource *target);

static void
do_save_calendar (EPlugin *ep, ECalPopupTargetSource *target, ECalSourceType type)
{
    ESource *primary_source;
    char *dest_uri;
    ECal *source_client, *dest_client;
    GtkWidget *dialog;

    primary_source = e_source_selector_peek_primary_selection (target->selector);

    /* ask the user for destination file */
#ifdef USE_GTKFILECHOOSER
    dialog = gtk_file_chooser_dialog_new (_("Select destination file"),
                          NULL,
                          GTK_FILE_CHOOSER_ACTION_SAVE,
                          GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                          GTK_STOCK_SAVE, GTK_RESPONSE_OK,
                          NULL);
    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
#else
    dialog = gtk_file_selection_new (_("Select destination file"));
#endif

    if (gtk_dialog_run (GTK_DIALOG (dialog)) != GTK_RESPONSE_OK) {
        gtk_widget_destroy (dialog);
        return;
    }

#ifdef USE_GTKFILECHOOSER
    dest_uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
#else
    dest_uri = g_strdup (gtk_file_selection_get_filename (GTK_FILE_SELECTION (dialog)));
#endif
    gtk_widget_destroy (dialog);
    if (!dest_uri)
        return;

    /* open source client */
    source_client = e_cal_new (primary_source, type);
    if (!e_cal_open (source_client, TRUE, NULL)) {
        g_object_unref (source_client);
        g_free (dest_uri);
        return;
    }

    /* open destination client */
    dest_client = e_cal_new_from_uri (dest_uri, type);
    if (e_cal_open (dest_client, FALSE, NULL)) {
        GList *objects;

        if (e_cal_get_object_list (source_client, "#t", &objects, NULL)) {
            while (objects != NULL) {
                icalcomponent *icalcomp = objects->data;

                /* FIXME: deal with additions/modifications */
                e_cal_create_object (dest_client, icalcomp, NULL, NULL);

                /* remove item from the list */
                objects = g_list_remove (objects, icalcomp);
                icalcomponent_free (icalcomp);
            }
        }
    }

    /* terminate */
    g_object_unref (source_client);
    g_object_unref (dest_client);
    g_free (dest_uri);
}

void
org_gnome_save_calendar (EPlugin *ep, ECalPopupTargetSource *target)
{
    do_save_calendar (ep, target, E_CAL_SOURCE_TYPE_EVENT);
}

void
org_gnome_save_tasks (EPlugin *ep, ECalPopupTargetSource *target)
{
    do_save_calendar (ep, target, E_CAL_SOURCE_TYPE_TODO);
}