/*
* Evolution calendar - Widget utilities
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
* Federico Mena-Quintero <federico@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <ctype.h>
#include <string.h>
#include <libical/ical.h>
#include <glib/gi18n.h>
#include <libedataserver/e-time-utils.h>
#include <libecal/e-cal-time-util.h>
#include "e-util/e-binding.h"
#include "widgets/misc/e-dateedit.h"
#include "../calendar-config.h"
#include "../itip-utils.h"
#include <shell/e-shell.h>
#include "comp-editor-util.h"
/**
* comp_editor_dates:
* @dates: A structure to be filled out with dates of a component
* @comp: The component to extract the dates from
*
* Extracts the dates from the calendar component into the
* CompEditorPageDates structure. Call comp_editor_free_dates() to free the
* results.
**/
void
comp_editor_dates (CompEditorPageDates *dates, ECalComponent *comp)
{
ECalComponentDateTime dt;
dates->start = NULL;
dates->end = NULL;
dates->due = NULL;
dates->complete = NULL;
/* Note that the ECalComponentDateTime's returned contain allocated
icaltimetype and tzid values, so we just take over ownership of
those. */
e_cal_component_get_dtstart (comp, &dt);
if (dt.value) {
dates->start = g_new (ECalComponentDateTime, 1);
*dates->start = dt;
}
e_cal_component_get_dtend (comp, &dt);
if (dt.value) {
dates->end = g_new (ECalComponentDateTime, 1);
*dates->end = dt;
}
e_cal_component_get_due (comp, &dt);
if (dt.value) {
dates->due = g_new (ECalComponentDateTime, 1);
*dates->due = dt;
}
e_cal_component_get_completed (comp, &dates->complete);
}
/* This frees the dates in the CompEditorPageDates struct. But it doesn't free
* the struct (as that is usually static).
*/
void
comp_editor_free_dates (CompEditorPageDates *dates)
{
/* Note that e_cal_component_free_datetime() only frees the fields in
the struct. It doesn't free the struct itself, so we do that. */
if (dates->start) {
e_cal_component_free_datetime (dates->start);
g_free (dates->start);
}
if (dates->end) {
e_cal_component_free_datetime (dates->end);
g_free (dates->end);
}
if (dates->due) {
e_cal_component_free_datetime (dates->due);
g_free (dates->due);
}
if (dates->complete)
e_cal_component_free_icaltimetype (dates->complete);
}
/**
* comp_editor_new_date_edit:
* @show_date: Whether to show a date picker in the widget.
* @show_time: Whether to show a time picker in the widget.
* @make_time_insensitive: Whether the time field is made insensitive rather
* than hiding it. This is useful if you want to preserve the layout of the
* widgets.
*
* Creates a new #EDateEdit widget, configured using the calendar's preferences.
*
* Return value: A newly-created #EDateEdit widget.
**/
GtkWidget *
comp_editor_new_date_edit (gboolean show_date,
gboolean show_time,
gboolean make_time_insensitive)
{
EDateEdit *dedit;
dedit = E_DATE_EDIT (e_date_edit_new ());
e_date_edit_set_show_date (dedit, show_date);
e_date_edit_set_show_time (dedit, show_time);
#if 0
e_date_edit_set_make_time_insensitive (dedit, make_time_insensitive);
#else
e_date_edit_set_make_time_insensitive (dedit, FALSE);
#endif
return GTK_WIDGET (dedit);
}
/* Returns the current time, for EDateEdit widgets and ECalendar items in the
dialogs.
FIXME: Should probably use the timezone from somewhere in the component
rather than the current timezone. */
struct tm
comp_editor_get_current_time (GtkObject *object, gpointer data)
{
icaltimezone *zone;
struct icaltimetype tt;
struct tm tmp_tm = { 0 };
/* Get the current timezone. */
zone = calendar_config_get_icaltimezone ();
tt = icaltime_from_timet_with_zone (time (NULL), FALSE, zone);
/* Now copy it to the struct tm and return it. */
tmp_tm.tm_year = tt.year - 1900;
tmp_tm.tm_mon = tt.month - 1;
tmp_tm.tm_mday = tt.day;
tmp_tm.tm_hour = tt.hour;
tmp_tm.tm_min = tt.minute;
tmp_tm.tm_sec = tt.second;
tmp_tm.tm_isdst = -1;
return tmp_tm;
}
/**
* comp_editor_strip_categories:
* @categories: A string of category names entered by the user.
*
* Takes a string of the form "categ, categ, categ, ..." and removes the
* whitespace between categories to result in "categ,categ,categ,..."
*
* Return value: The category names stripped of surrounding whitespace
* and separated with commas.
**/
gchar *
comp_editor_strip_categories (const gchar *categories)
{
gchar *new_categories;
const gchar *start, *end;
const gchar *p;
gchar *new_p;
if (!categories)
return NULL;
new_categories = g_new (char, strlen (categories) + 1);
start = end = NULL;
new_p = new_categories;
for (p = categories; *p; p = g_utf8_next_char (p)) {
gunichar c;
c = g_utf8_get_char (p);
if (g_unichar_isspace (c))
continue;
else if (c == ',') {
gint len;
if (!start)
continue;
g_return_val_if_fail (start <= end, NULL);
len = end - start + 1;
strncpy (new_p, start, len);
new_p[len] = ',';
new_p += len + 1;
start = end = NULL;
} else {
if (!start) {
start = p;
end = p;
} else
end = g_utf8_next_char(p) - 1;
}
}
if (start) {
gint len;
g_return_val_if_fail (start <= end, NULL);
len = end - start + 1;
strncpy (new_p, start, len);
new_p += len;
}
*new_p = '\0';
return new_categories;
}
static GSList *
manage_new_attendees (const GSList *lst, const gchar *eml, gboolean add)
{
GSList *copy = NULL;
const GSList *l;
gboolean found = FALSE;
g_return_val_if_fail (eml != NULL, NULL);
for (l = lst; l; l = l->next) {
const gchar *eml2 = l->data;
if (!eml2)
continue;
if (g_ascii_strcasecmp (eml, eml2) == 0) {
found = TRUE;
if (add)
copy = g_slist_append (copy, g_strdup (eml2));
} else {
copy = g_slist_append (copy, g_strdup (eml2));
}
}
if (!found && add) {
copy = g_slist_append (copy, g_strdup (eml));
}
return copy;
}
static void
free_slist_strs (gpointer data)
{
GSList *lst = data;
if (lst) {
g_slist_foreach (lst, (GFunc) g_free, NULL);
g_slist_free (lst);
}
}
/**
* comp_editor_manage_new_attendees:
* Manages the 'new-attendees' string of new attendees of the component.
* @param comp: The component.
* @param ma: An attendee.
* @param add: TRUE to add attendee's email to new-attendees, FALSE to remove from it.
*
* @note The list is just string of emails separated by ';'
**/
void
comp_editor_manage_new_attendees (ECalComponent *comp,
EMeetingAttendee *ma,
gboolean add)
{
const gchar *eml;
g_return_if_fail (comp != NULL);
g_return_if_fail (ma != NULL);
eml = e_meeting_attendee_get_address (ma);
if (eml)
eml = itip_strip_mailto (eml);
g_return_if_fail (eml != NULL);
g_object_set_data_full (
G_OBJECT (comp), "new-attendees",
manage_new_attendees (
g_object_get_data (G_OBJECT (comp), "new-attendees"),
eml, add), free_slist_strs);
}
/**
* comp_editor_copy_new_attendees:
* Copies "new-attendees" information from src to des component.
* @param des: Component, to copy to.
* @param src: Component, to copy from.
**/
void
comp_editor_copy_new_attendees (ECalComponent *des, ECalComponent *src)
{
GSList *copy = NULL, *l;
g_return_if_fail (src != NULL);
g_return_if_fail (des != NULL);
for (l = g_object_get_data (G_OBJECT (src), "new-attendees"); l; l = l->next) {
copy = g_slist_append (copy, g_strdup (l->data));
}
g_object_set_data_full (G_OBJECT (des), "new-attendees", copy, free_slist_strs);
}
/**
* comp_editor_have_in_new_attendees:
* @param comp: Component with the "new-attendees" possibly set.
* @param ma: Meeting attendee to check.
* @return Whether ma is present in the list of new attendees of the comp.
**/
gboolean
comp_editor_have_in_new_attendees (ECalComponent *comp, EMeetingAttendee *ma)
{
const gchar *eml;
g_return_val_if_fail (comp != NULL, FALSE);
g_return_val_if_fail (ma != NULL, FALSE);
eml = e_meeting_attendee_get_address (ma);
if (eml)
eml = itip_strip_mailto (eml);
g_return_val_if_fail (eml != NULL, FALSE);
return comp_editor_have_in_new_attendees_lst (
g_object_get_data (G_OBJECT (comp), "new-attendees"), eml);
}
/**
* comp_editor_have_in_new_attendees_lst:
*
* Same as comp_editor_have_in_new_attendees() only parameters are
* direct GSList and string.
**/
gboolean
comp_editor_have_in_new_attendees_lst (const GSList *new_attendees,
const gchar *eml)
{
const GSList *l;
if (!eml)
return FALSE;
for (l = new_attendees; l; l = l->next) {
if (l->data && g_ascii_strcasecmp (eml, l->data) == 0)
return TRUE;
}
return FALSE;
}
/**
* comp_editor_test_time_in_the_past:
* @time_tt: Time to check.
* @parent: Parent window for a question dialog.
* @tag: Question message tag to use.
* Returns whether given time is in the past.
*
* Tests the given @time_tt whether occurs in the past,
* and if so, returns TRUE.
**/
gboolean
comp_editor_test_time_in_the_past (const struct icaltimetype time_tt)
{
struct icaltimetype now_tt;
gboolean is_past;
if (icaltime_is_null_time (time_tt))
return FALSE;
if (time_tt.is_date) {
now_tt = icaltime_today ();
is_past = icaltime_compare_date_only (time_tt, now_tt) < 0;
} else {
now_tt = icaltime_current_time_with_zone (time_tt.zone);
now_tt.zone = time_tt.zone;
is_past = icaltime_compare (time_tt, now_tt) < 0;
}
return is_past;
}