/* Evolution calendar - Utilities for tagging ECalendar widgets
*
* Copyright (C) 2000 Ximian, Inc.
*
* Authors: Damon Chaplin <damon@ximian.com>
* Federico Mena-Quintero <federico@ximian.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 Place, Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <cal-util/timeutil.h>
#include "calendar-config.h"
#include "tag-calendar.h"
struct calendar_tag_closure {
ECalendarItem *calitem;
icaltimezone *zone;
time_t start_time;
time_t end_time;
};
/* Clears all the tags in a calendar and fills a closure structure with the
* necessary information for iterating over occurrences.
* Returns FALSE if the calendar has no dates shown.
*/
static gboolean
prepare_tag (ECalendar *ecal, struct calendar_tag_closure *c, gboolean clear_first)
{
gint start_year, start_month, start_day;
gint end_year, end_month, end_day;
struct icaltimetype start_tt = icaltime_null_time ();
struct icaltimetype end_tt = icaltime_null_time ();
char *location;
if (clear_first)
e_calendar_item_clear_marks (ecal->calitem);
if (!e_calendar_item_get_date_range (ecal->calitem,
&start_year, &start_month,
&start_day,
&end_year, &end_month, &end_day))
return FALSE;
start_tt.year = start_year;
start_tt.month = start_month + 1;
start_tt.day = start_day;
end_tt.year = end_year;
end_tt.month = end_month + 1;
end_tt.day = end_day;
icaltime_adjust (&end_tt, 1, 0, 0, 0);
c->calitem = ecal->calitem;
/* FIXME. It may be better if the timezone is passed in. */
location = calendar_config_get_timezone ();
c->zone = icaltimezone_get_builtin_timezone (location);
c->start_time = icaltime_as_timet_with_zone (start_tt, c->zone);
c->end_time = icaltime_as_timet_with_zone (end_tt, c->zone);
return TRUE;
}
/* Marks the specified range in an ECalendar; called from cal_client_generate_instances() */
static gboolean
tag_calendar_cb (CalComponent *comp,
time_t istart,
time_t iend,
gpointer data)
{
struct calendar_tag_closure *c = data;
struct icaltimetype start_tt, end_tt;
start_tt = icaltime_from_timet_with_zone (istart, FALSE, c->zone);
end_tt = icaltime_from_timet_with_zone (iend - 1, FALSE, c->zone);
e_calendar_item_mark_days (c->calitem,
start_tt.year, start_tt.month - 1,
start_tt.day,
end_tt.year, end_tt.month - 1,
end_tt.day,
E_CALENDAR_ITEM_MARK_BOLD);
return TRUE;
}
/**
* tag_calendar_by_client:
* @ecal: Calendar widget to tag.
* @client: A calendar client object.
*
* Tags an #ECalendar widget with the events that occur in its current time
* range. The occurrences are extracted from the specified calendar @client.
**/
void
tag_calendar_by_client (ECalendar *ecal, CalClient *client)
{
struct calendar_tag_closure c;
g_return_if_fail (ecal != NULL);
g_return_if_fail (E_IS_CALENDAR (ecal));
g_return_if_fail (client != NULL);
g_return_if_fail (IS_CAL_CLIENT (client));
/* If the ECalendar isn't visible, we just return. */
if (!GTK_WIDGET_VISIBLE (ecal))
return;
if (cal_client_get_load_state (client) != CAL_CLIENT_LOAD_LOADED)
return;
if (!prepare_tag (ecal, &c, TRUE))
return;
#if 0
g_print ("DateNavigator generating instances\n");
#endif
cal_client_generate_instances (client, CALOBJ_TYPE_EVENT,
c.start_time, c.end_time,
tag_calendar_cb, &c);
}
/**
* tag_calendar_by_comp:
* @ecal: Calendar widget to tag.
* @comp: A calendar component object.
* @clear_first: Whether the #ECalendar should be cleared of any marks first.
*
* Tags an #ECalendar widget with any occurrences of a specific calendar
* component that occur within the calendar's current time range.
**/
void
tag_calendar_by_comp (ECalendar *ecal, CalComponent *comp, CalClient *client, gboolean clear_first)
{
struct calendar_tag_closure c;
g_return_if_fail (ecal != NULL);
g_return_if_fail (E_IS_CALENDAR (ecal));
g_return_if_fail (comp != NULL);
g_return_if_fail (IS_CAL_COMPONENT (comp));
/* If the ECalendar isn't visible, we just return. */
if (!GTK_WIDGET_VISIBLE (ecal))
return;
if (!prepare_tag (ecal, &c, clear_first))
return;
#if 0
g_print ("DateNavigator generating instances\n");
#endif
cal_recur_generate_instances (comp, c.start_time, c.end_time,
tag_calendar_cb, &c,
cal_client_resolve_tzid_cb, client);
}
