/*
* 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 "../calendar-config.h"
#include "../e-date-edit-config.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);
}
/* dtstart is only passed in if tt is the dtend. */
static void
write_label_piece (struct icaltimetype *tt,
gchar *buffer,
gint size,
gchar *stext,
const gchar *etext,
struct icaltimetype *dtstart)
{
struct tm tmp_tm = { 0 };
struct icaltimetype tt_copy = *tt;
gint len;
/* FIXME: May want to convert the time to an appropriate zone. */
if (stext != NULL)
strcat (buffer, stext);
/* If we are writing the DTEND (i.e. DTSTART is set), and
DTEND > DTSTART, subtract 1 day. The DTEND date is not inclusive. */
if (tt_copy.is_date && dtstart
&& icaltime_compare_date_only (tt_copy, *dtstart) > 0) {
icaltime_adjust (&tt_copy, -1, 0, 0, 0);
}
tmp_tm.tm_year = tt_copy.year - 1900;
tmp_tm.tm_mon = tt_copy.month - 1;
tmp_tm.tm_mday = tt_copy.day;
tmp_tm.tm_hour = tt_copy.hour;
tmp_tm.tm_min = tt_copy.minute;
tmp_tm.tm_sec = tt_copy.second;
tmp_tm.tm_isdst = -1;
tmp_tm.tm_wday = time_day_of_week (tt_copy.day, tt_copy.month - 1,
tt_copy.year);
len = strlen (buffer);
e_time_format_date_and_time (&tmp_tm,
calendar_config_get_24_hour_format (),
!tt_copy.is_date, FALSE,
&buffer[len], size - len);
if (etext != NULL)
strcat (buffer, etext);
}
/**
* comp_editor_date_label:
* @dates: The dates to use in constructing a label
* @label: The label whose text is to be set
*
* Set the text of a label based on the dates available and the user's
* formatting preferences
**/
void
comp_editor_date_label (CompEditorPageDates *dates, GtkWidget *label)
{
gchar buffer[1024];
gboolean start_set = FALSE, end_set = FALSE;
gboolean complete_set = FALSE, due_set = FALSE;
buffer[0] = '\0';
if (dates->start && !icaltime_is_null_time (*dates->start->value))
start_set = TRUE;
if (dates->end && !icaltime_is_null_time (*dates->end->value))
end_set = TRUE;
if (dates->complete && !icaltime_is_null_time (*dates->complete))
complete_set = TRUE;
if (dates->due && !icaltime_is_null_time (*dates->due->value))
due_set = TRUE;
if (start_set)
write_label_piece (dates->start->value, buffer, 1024,
NULL, NULL, NULL);
if (start_set && end_set)
write_label_piece (dates->end->value, buffer, 1024,
_(" to "), NULL, dates->start->value);
if (complete_set) {
if (start_set)
write_label_piece (dates->complete, buffer, 1024, _(" (Completed "), ")", NULL);
else
write_label_piece (dates->complete, buffer, 1024, _("Completed "), NULL, NULL);
}
if (due_set && dates->complete == NULL) {
if (start_set)
write_label_piece (dates->due->value, buffer, 1024, _(" (Due "), ")", NULL);
else
write_label_piece (dates->due->value, buffer, 1024, _("Due "), NULL, NULL);
}
gtk_label_set_text (GTK_LABEL (label), buffer);
}
static void
date_edit_destroy_cb (EDateEdit *date_edit, gpointer data)
{
EDateEditConfig *config = data;
g_object_unref (config);
}
/**
* 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;
EDateEditConfig *config;
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
config = e_date_edit_config_new (dedit);
g_signal_connect (G_OBJECT (dedit), "destroy", G_CALLBACK (date_edit_destroy_cb), config);
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;
}
