/* Evolution calendar - Scheduling page
*
* Copyright (C) 2001 Ximian, Inc.
*
* Authors: Federico Mena-Quintero <federico@ximian.com>
* Miguel de Icaza <miguel@ximian.com>
* Seth Alves <alves@hungry.com>
* JP Rosevear <jpr@ximian.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 Place, Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib.h>
#include <gtk/gtksignal.h>
#include <gtk/gtktogglebutton.h>
#include <gtk/gtkvbox.h>
#include <gtk/gtkwindow.h>
#include <libgnome/gnome-i18n.h>
#include <libgnomeui/gnome-dialog-util.h>
#include <glade/glade.h>
#include <e-util/e-dialog-widgets.h>
#include "../calendar-config.h"
#include "../e-meeting-time-sel.h"
#include "../itip-utils.h"
#include "comp-editor-util.h"
#include "e-delegate-dialog.h"
#include "schedule-page.h"
/* Private part of the SchedulePage structure */
struct _SchedulePagePrivate {
/* Glade XML data */
GladeXML *xml;
/* Widgets from the Glade file */
GtkWidget *main;
/* Model */
EMeetingStore *model;
/* Selector */
EMeetingTimeSelector *sel;
/* The timezone we use. Note that we use the same timezone for the
start and end date. We convert the end date if it is passed in in
another timezone. */
icaltimezone *zone;
gboolean updating;
};
static void schedule_page_finalize (GObject *object);
static GtkWidget *schedule_page_get_widget (CompEditorPage *page);
static void schedule_page_focus_main_widget (CompEditorPage *page);
static gboolean schedule_page_fill_widgets (CompEditorPage *page, ECalComponent *comp);
static gboolean schedule_page_fill_component (CompEditorPage *page, ECalComponent *comp);
static void schedule_page_set_dates (CompEditorPage *page, CompEditorPageDates *dates);
static void times_changed_cb (GtkWidget *widget, gpointer data);
G_DEFINE_TYPE (SchedulePage, schedule_page, TYPE_COMP_EDITOR_PAGE);
/* Class initialization function for the schedule page */
static void
schedule_page_class_init (SchedulePageClass *class)
{
CompEditorPageClass *editor_page_class;
GObjectClass *object_class;
editor_page_class = (CompEditorPageClass *) class;
object_class = (GObjectClass *) class;
editor_page_class->get_widget = schedule_page_get_widget;
editor_page_class->focus_main_widget = schedule_page_focus_main_widget;
editor_page_class->fill_widgets = schedule_page_fill_widgets;
editor_page_class->fill_component = schedule_page_fill_component;
editor_page_class->set_summary = NULL;
editor_page_class->set_dates = schedule_page_set_dates;
object_class->finalize = schedule_page_finalize;
}
/* Object initialization function for the schedule page */
static void
schedule_page_init (SchedulePage *spage)
{
SchedulePagePrivate *priv;
priv = g_new0 (SchedulePagePrivate, 1);
spage->priv = priv;
priv->xml = NULL;
priv->main = NULL;
priv->zone = NULL;
priv->updating = FALSE;
}
/* Destroy handler for the schedule page */
static void
schedule_page_finalize (GObject *object)
{
SchedulePage *spage;
SchedulePagePrivate *priv;
g_return_if_fail (object != NULL);
g_return_if_fail (IS_SCHEDULE_PAGE (object));
spage = SCHEDULE_PAGE (object);
priv = spage->priv;
if (priv->main)
gtk_widget_unref (priv->main);
if (priv->xml) {
g_object_unref (priv->xml);
priv->xml = NULL;
}
g_object_unref(priv->model);
g_free (priv);
spage->priv = NULL;
if (G_OBJECT_CLASS (schedule_page_parent_class)->finalize)
(* G_OBJECT_CLASS (schedule_page_parent_class)->finalize) (object);
}
/* get_widget handler for the schedule page */
static GtkWidget *
schedule_page_get_widget (CompEditorPage *page)
{
SchedulePage *spage;
SchedulePagePrivate *priv;
spage = SCHEDULE_PAGE (page);
priv = spage->priv;
return priv->main;
}
/* focus_main_widget handler for the schedule page */
static void
schedule_page_focus_main_widget (CompEditorPage *page)
{
SchedulePage *spage;
SchedulePagePrivate *priv;
spage = SCHEDULE_PAGE (page);
priv = spage->priv;
gtk_widget_grab_focus (GTK_WIDGET (priv->sel));
}
static void
sensitize_widgets (SchedulePage *spage)
{
gboolean read_only;
SchedulePagePrivate *priv = spage->priv;
if (!e_cal_is_read_only (COMP_EDITOR_PAGE (spage)->client, &read_only, NULL))
read_only = TRUE;
e_meeting_time_selector_set_read_only (priv->sel, read_only);
}
static void
client_changed_cb (CompEditorPage *page, ECal *client, gpointer user_data)
{
SchedulePage *spage = SCHEDULE_PAGE (page);
sensitize_widgets (spage);
}
/* Set date/time */
static void
update_time (SchedulePage *spage, ECalComponentDateTime *start_date, ECalComponentDateTime *end_date)
{
SchedulePagePrivate *priv;
struct icaltimetype start_tt, end_tt;
icaltimezone *start_zone = NULL, *end_zone = NULL;
gboolean all_day;
priv = spage->priv;
/* Note that if we are creating a new event, the timezones may not be
on the server, so we try to get the builtin timezone with the TZID
first. */
start_zone = icaltimezone_get_builtin_timezone_from_tzid (start_date->tzid);
if (!start_zone) {
if (!e_cal_get_timezone (COMP_EDITOR_PAGE (spage)->client,
start_date->tzid, &start_zone, NULL)) {
/* FIXME: Handle error better. */
g_warning ("Couldn't get timezone from server: %s",
start_date->tzid ? start_date->tzid : "");
}
}
end_zone = icaltimezone_get_builtin_timezone_from_tzid (end_date->tzid);
if (!end_zone) {
if (!e_cal_get_timezone (COMP_EDITOR_PAGE (spage)->client,
end_date->tzid, &end_zone, NULL)) {
/* FIXME: Handle error better. */
g_warning ("Couldn't get timezone from server: %s",
end_date->tzid ? end_date->tzid : "");
}
}
start_tt = *start_date->value;
if (!end_date->value && start_tt.is_date) {
end_tt = start_tt;
icaltime_adjust (&end_tt, 1, 0, 0, 0);
} else {
end_tt = *end_date->value;
}
/* If the end zone is not the same as the start zone, we convert it. */
priv->zone = start_zone;
if (start_zone != end_zone) {
icaltimezone_convert_time (&end_tt, end_zone, start_zone);
}
e_meeting_store_set_zone (priv->model, priv->zone);
all_day = (start_tt.is_date && end_tt.is_date) ? TRUE : FALSE;
/* For All Day Events, if DTEND is after DTSTART, we subtract 1 day
from it. */
if (all_day) {
if (icaltime_compare_date_only (end_tt, start_tt) > 0) {
icaltime_adjust (&end_tt, -1, 0, 0, 0);
}
}
e_meeting_time_selector_set_all_day (priv->sel, all_day);
e_date_edit_set_date (E_DATE_EDIT (priv->sel->start_date_edit), start_tt.year,
start_tt.month, start_tt.day);
e_date_edit_set_time_of_day (E_DATE_EDIT (priv->sel->start_date_edit),
start_tt.hour, start_tt.minute);
e_date_edit_set_date (E_DATE_EDIT (priv->sel->end_date_edit), end_tt.year,
end_tt.month, end_tt.day);
e_date_edit_set_time_of_day (E_DATE_EDIT (priv->sel->end_date_edit),
end_tt.hour, end_tt.minute);
}
/* Fills the widgets with default values */
static void
clear_widgets (SchedulePage *spage)
{
SchedulePagePrivate *priv;
priv = spage->priv;
}
/* fill_widgets handler for the schedule page */
static gboolean
schedule_page_fill_widgets (CompEditorPage *page, ECalComponent *comp)
{
SchedulePage *spage;
SchedulePagePrivate *priv;
ECalComponentDateTime start_date, end_date;
gboolean validated = TRUE;
spage = SCHEDULE_PAGE (page);
priv = spage->priv;
priv->updating = TRUE;
/* Clean the screen */
clear_widgets (spage);
/* Start and end times */
e_cal_component_get_dtstart (comp, &start_date);
e_cal_component_get_dtend (comp, &end_date);
if (!start_date.value)
validated = FALSE;
else if (!end_date.value)
validated = FALSE;
else
update_time (spage, &start_date, &end_date);
e_cal_component_free_datetime (&start_date);
e_cal_component_free_datetime (&end_date);
priv->updating = FALSE;
sensitize_widgets (spage);
return validated;
}
/* fill_component handler for the schedule page */
static gboolean
schedule_page_fill_component (CompEditorPage *page, ECalComponent *comp)
{
SchedulePage *spage;
SchedulePagePrivate *priv;
spage = SCHEDULE_PAGE (page);
priv = spage->priv;
return TRUE;
}
static void
schedule_page_set_dates (CompEditorPage *page, CompEditorPageDates *dates)
{
SchedulePage *spage;
SchedulePagePrivate *priv;
spage = SCHEDULE_PAGE (page);
priv = spage->priv;
priv->updating = TRUE;
update_time (spage, dates->start, dates->end);
priv->updating = FALSE;
}
/* Gets the widgets from the XML file and returns if they are all available. */
static gboolean
get_widgets (SchedulePage *spage)
{
CompEditorPage *page = COMP_EDITOR_PAGE (spage);
SchedulePagePrivate *priv;
GSList *accel_groups;
GtkWidget *toplevel;
priv = spage->priv;
#define GW(name) glade_xml_get_widget (priv->xml, name)
priv->main = GW ("schedule-page");
if (!priv->main)
return FALSE;
/* Get the GtkAccelGroup from the toplevel window, so we can install
it when the notebook page is mapped. */
toplevel = gtk_widget_get_toplevel (priv->main);
accel_groups = gtk_accel_groups_from_object (G_OBJECT (toplevel));
if (accel_groups) {
page->accel_group = accel_groups->data;
gtk_accel_group_ref (page->accel_group);
}
gtk_widget_ref (priv->main);
gtk_container_remove (GTK_CONTAINER (priv->main->parent), priv->main);
#undef GW
return TRUE;
}
static gboolean
init_widgets (SchedulePage *spage)
{
SchedulePagePrivate *priv;
priv = spage->priv;
g_signal_connect (priv->sel, "changed", G_CALLBACK (times_changed_cb), spage);
return TRUE;
}
/**
* schedule_page_construct:
* @spage: An schedule page.
*
* Constructs an schedule page by loading its Glade data.
*
* Return value: The same object as @spage, or NULL if the widgets could not
* be created.
**/
SchedulePage *
schedule_page_construct (SchedulePage *spage, EMeetingStore *ems)
{
SchedulePagePrivate *priv;
priv = spage->priv;
priv->xml = glade_xml_new (EVOLUTION_GLADEDIR
"/schedule-page.glade", NULL, NULL);
if (!priv->xml) {
g_message ("schedule_page_construct(): "
"Could not load the Glade XML file!");
return NULL;
}
if (!get_widgets (spage)) {
g_message ("schedule_page_construct(): "
"Could not find all widgets in the XML file!");
return NULL;
}
/* Model */
g_object_ref (ems);
priv->model = ems;
/* Selector */
priv->sel = E_MEETING_TIME_SELECTOR (e_meeting_time_selector_new (ems));
e_meeting_time_selector_set_working_hours (priv->sel,
calendar_config_get_day_start_hour (),
calendar_config_get_day_start_minute (),
calendar_config_get_day_end_hour (),
calendar_config_get_day_end_minute ());
gtk_widget_show (GTK_WIDGET (priv->sel));
gtk_box_pack_start (GTK_BOX (priv->main), GTK_WIDGET (priv->sel), TRUE, TRUE, 6);
if (!init_widgets (spage)) {
g_message ("schedule_page_construct(): "
"Could not initialize the widgets!");
return NULL;
}
g_signal_connect_after (G_OBJECT (spage), "client_changed",
G_CALLBACK (client_changed_cb), NULL);
return spage;
}
/**
* schedule_page_new:
*
* Creates a new schedule page.
*
* Return value: A newly-created schedule page, or NULL if the page could
* not be created.
**/
SchedulePage *
schedule_page_new (EMeetingStore *ems)
{
SchedulePage *spage;
spage = g_object_new (TYPE_SCHEDULE_PAGE, NULL);
if (!schedule_page_construct (spage, ems)) {
g_object_unref (spage);
return NULL;
}
return spage;
}
static void
times_changed_cb (GtkWidget *widget, gpointer data)
{
SchedulePage *spage = data;
SchedulePagePrivate *priv;
CompEditorPageDates dates;
ECalComponentDateTime start_dt, end_dt;
struct icaltimetype start_tt = icaltime_null_time ();
struct icaltimetype end_tt = icaltime_null_time ();
priv = spage->priv;
if (priv->updating)
return;
e_date_edit_get_date (E_DATE_EDIT (priv->sel->start_date_edit),
&start_tt.year,
&start_tt.month,
&start_tt.day);
e_date_edit_get_time_of_day (E_DATE_EDIT (priv->sel->start_date_edit),
&start_tt.hour,
&start_tt.minute);
e_date_edit_get_date (E_DATE_EDIT (priv->sel->end_date_edit),
&end_tt.year,
&end_tt.month,
&end_tt.day);
e_date_edit_get_time_of_day (E_DATE_EDIT (priv->sel->end_date_edit),
&end_tt.hour,
&end_tt.minute);
start_dt.value = &start_tt;
end_dt.value = &end_tt;
if (e_date_edit_get_show_time (E_DATE_EDIT (priv->sel->start_date_edit))) {
/* We set the start and end to the same timezone. */
start_dt.tzid = icaltimezone_get_tzid (priv->zone);
end_dt.tzid = start_dt.tzid;
} else {
/* For All-Day Events, we set the timezone to NULL, and add
1 day to DTEND. */
start_dt.value->is_date = TRUE;
start_dt.tzid = NULL;
end_dt.value->is_date = TRUE;
icaltime_adjust (&end_tt, 1, 0, 0, 0);
end_dt.tzid = NULL;
}
dates.start = &start_dt;
dates.end = &end_dt;
dates.due = NULL;
dates.complete = NULL;
comp_editor_page_notify_dates_changed (COMP_EDITOR_PAGE (spage), &dates);
comp_editor_page_notify_changed (COMP_EDITOR_PAGE (spage));
}
