/*
* 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>
* Damon Chaplin <damon@ximian.com>
* Rodrigo Moya <rodrigo@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#include "e-cal-component-preview.h"
#include <string.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <libecal/e-cal-time-util.h>
#include <libedataserver/e-categories.h>
#include <gtkhtml/gtkhtml-stream.h>
#include <libedataserver/e-time-utils.h>
#include <e-util/e-util.h>
#include <e-util/e-categories-config.h>
#include "calendar-config.h"
#include <camel/camel-mime-filter-tohtml.h>
#define E_CAL_COMPONENT_PREVIEW_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_CAL_COMPONENT_PREVIEW, ECalComponentPreviewPrivate))
struct _ECalComponentPreviewPrivate {
icaltimezone *zone;
};
static gpointer parent_class;
static void
cal_component_preview_link_clicked (GtkHTML *html,
const gchar *uri)
{
/* FIXME Pass a parent window. */
e_show_uri (NULL, uri);
}
static void
cal_component_preview_on_url (GtkHTML *html,
const gchar *url)
{
#if 0
gchar *msg;
ECalComponentPreview *preview = data;
if (url && *url) {
msg = g_strdup_printf (_("Click to open %s"), url);
e_calendar_table_set_status_message (e_tasks_get_calendar_table (tasks), msg);
g_free (msg);
} else
e_calendar_table_set_status_message (e_tasks_get_calendar_table (tasks), NULL);
#endif
}
/* Converts a time_t to a string, relative to the specified timezone */
static gchar *
timet_to_str_with_zone (ECalComponentDateTime *dt,
ECal *ecal,
icaltimezone *default_zone)
{
struct icaltimetype itt;
icaltimezone *zone;
struct tm tm;
gchar buf[256];
if (dt->tzid) {
/* If we can't find the zone, we'll guess its "local" */
if (!e_cal_get_timezone (ecal, dt->tzid, &zone, NULL))
zone = NULL;
} else if (dt->value->is_utc) {
zone = icaltimezone_get_utc_timezone ();
} else {
zone = NULL;
}
itt = *dt->value;
if (zone)
icaltimezone_convert_time (&itt, zone, default_zone);
tm = icaltimetype_to_tm (&itt);
e_time_format_date_and_time (&tm, calendar_config_get_24_hour_format (),
FALSE, FALSE, buf, sizeof (buf));
return g_locale_to_utf8 (buf, -1, NULL, NULL, NULL);
}
static void
cal_component_preview_write_html (GtkHTMLStream *stream,
ECal *ecal,
ECalComponent *comp,
icaltimezone *default_zone)
{
ECalComponentText text;
ECalComponentDateTime dt;
gchar *str;
GString *string;
GSList *list, *iter;
icalcomponent *icalcomp;
icalproperty *icalprop;
icalproperty_status status;
const gchar *location;
gint *priority_value;
g_return_if_fail (E_IS_CAL_COMPONENT (comp));
/* write document header */
e_cal_component_get_summary (comp, &text);
if (text.value)
gtk_html_stream_printf (stream,
"<HTML><BODY><H1>%s</H1>",
text.value);
else
gtk_html_stream_printf (stream,
"<HTML><BODY><H1><I>%s</I></H1>",
_("Untitled"));
/* write icons for the categories */
string = g_string_new (NULL);
e_cal_component_get_categories_list (comp, &list);
if (list != NULL)
gtk_html_stream_printf (stream, "<H3>%s ", _("Categories:"));
for (iter = list; iter != NULL; iter = iter->next) {
const gchar *category = iter->data;
const gchar *icon_file;
icon_file = e_categories_get_icon_file_for (category);
if (icon_file && g_file_test (icon_file, G_FILE_TEST_EXISTS)) {
gchar *uri;
uri = g_filename_to_uri (icon_file, NULL, NULL);
gtk_html_stream_printf (
stream, "<IMG ALT=\"%s\" SRC=\"%s\">",
category, uri);
g_free (uri);
} else {
if (iter != list)
g_string_append_len (string, ", ", 2);
g_string_append (string, category);
}
}
if (string->len > 0)
gtk_html_stream_printf (stream, "%s</H3>", string->str);
e_cal_component_free_categories_list (list);
g_string_free (string, TRUE);
/* Start table */
gtk_html_stream_printf (stream, "<TABLE BORDER=\"0\" WIDTH=\"80%%\">"
"<TR><TD VALIGN=\"TOP\" ALIGN=\"RIGHT\" WIDTH=\"15%%\"></TD></TR>");
/* write location */
e_cal_component_get_location (comp, &location);
if (location)
gtk_html_stream_printf (stream, "<TR><TD VALIGN=\"TOP\" ALIGN=\"RIGHT\" WIDTH=\"15%%\"><B>%s</B></TD><TD>%s</TD></TR>",
_("Summary:"), text.value);
/* write start date */
e_cal_component_get_dtstart (comp, &dt);
if (dt.value != NULL) {
str = timet_to_str_with_zone (&dt, ecal, default_zone);
gtk_html_stream_printf (stream, "<TR><TD VALIGN=\"TOP\" ALIGN=\"RIGHT\"><B>%s</B></TD><TD>%s</TD></TR>",
_("Start Date:"), str);
g_free (str);
}
e_cal_component_free_datetime (&dt);
/* write end date */
e_cal_component_get_dtend (comp, &dt);
if (dt.value != NULL) {
str = timet_to_str_with_zone (&dt, ecal, default_zone);
gtk_html_stream_printf (stream, "<TR><TD VALIGN=\"TOP\" ALIGN=\"RIGHT\"><B>%s</B></TD><TD>%s</TD></TR>",
_("Start Date:"), str);
g_free (str);
}
e_cal_component_free_datetime (&dt);
/* write Due Date */
e_cal_component_get_due (comp, &dt);
if (dt.value != NULL) {
str = timet_to_str_with_zone (&dt, ecal, default_zone);
gtk_html_stream_printf (stream, "<TR><TD VALIGN=\"TOP\" ALIGN=\"RIGHT\"><B>%s</B></TD><TD>%s</TD></TR>",
_("Due Date:"), str);
g_free (str);
}
e_cal_component_free_datetime (&dt);
/* write status */
icalcomp = e_cal_component_get_icalcomponent (comp);
icalprop = icalcomponent_get_first_property (
icalcomp, ICAL_STATUS_PROPERTY);
if (icalprop != NULL) {
gtk_html_stream_printf (stream, "<TR><TD VALIGN=\"TOP\" ALIGN=\"RIGHT\"><B>%s</B></TD>", _("Status:"));
e_cal_component_get_status (comp, &status);
switch (status) {
case ICAL_STATUS_INPROCESS :
str = g_strdup (_("In Progress"));
break;
case ICAL_STATUS_COMPLETED :
str = g_strdup (_("Completed"));
break;
case ICAL_STATUS_CANCELLED :
str = g_strdup (_("Canceled"));
break;
case ICAL_STATUS_NONE :
default :
str = g_strdup (_("Not Started"));
break;
}
gtk_html_stream_printf (stream, "<TD>%s</TD></TR>", str);
g_free (str);
}
/* write priority */
e_cal_component_get_priority (comp, &priority_value);
if (priority_value && *priority_value != 0) {
gtk_html_stream_printf (stream, "<TR><TD VALIGN=\"TOP\" ALIGN=\"RIGHT\"><B>%s</B></TD>", _("Priority:"));
if (*priority_value <= 4)
str = g_strdup (_("High"));
else if (*priority_value == 5)
str = g_strdup (_("Normal"));
else
str = g_strdup (_("Low"));
gtk_html_stream_printf (stream, "<TD>%s</TD></TR>", str);
g_free (str);
}
if (priority_value)
e_cal_component_free_priority (priority_value);
/* write description and URL */
gtk_html_stream_printf (stream, "<TR><TD COLSPAN=\"2\"><HR></TD></TR>");
e_cal_component_get_description_list (comp, &list);
if (list) {
GSList *node;
gtk_html_stream_printf (stream, "<TR><TD VALIGN=\"TOP\" ALIGN=\"RIGHT\"><B>%s</B></TD>", _("Description:"));
gtk_html_stream_printf (stream, "<TD><TT>");
for (node = list; node != NULL; node = node->next) {
gchar *html;
text = * (ECalComponentText *) node->data;
html = camel_text_to_html (text.value ? text.value : "", CAMEL_MIME_FILTER_TOHTML_CONVERT_NL | CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES | CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS | CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES, 0);
if (html)
gtk_html_stream_printf (stream, "%s", html);
g_free (html);
}
gtk_html_stream_printf (stream, "</TT></TD></TR>");
e_cal_component_free_text_list (list);
}
/* URL */
e_cal_component_get_url (comp, (const gchar **) &str);
if (str) {
gtk_html_stream_printf (stream, "<TR><TD VALIGN=\"TOP\" ALIGN=\"RIGHT\"><B>%s</B></TD>", _("Web Page:"));
gtk_html_stream_printf (stream, "<TD><A HREF=\"%s\">%s</A></TD></TR>", str, str);
}
gtk_html_stream_printf (stream, "</TABLE>");
/* close document */
gtk_html_stream_printf (stream, "</BODY></HTML>");
}
static void
cal_component_preview_finalize (GObject *object)
{
ECalComponentPreviewPrivate *priv;
priv = E_CAL_COMPONENT_PREVIEW_GET_PRIVATE (object);
/* XXX Nothing to do? */
/* Chain up to parent's finalize() method. */
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
cal_component_preview_class_init (ECalComponentPreviewClass *class)
{
GObjectClass *object_class;
GtkHTMLClass *gtkhtml_class;
parent_class = g_type_class_peek_parent (class);
g_type_class_add_private (class, sizeof (ECalComponentPreviewPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->finalize = cal_component_preview_finalize;
gtkhtml_class = GTK_HTML_CLASS (class);
gtkhtml_class->link_clicked = cal_component_preview_link_clicked;
gtkhtml_class->on_url = cal_component_preview_on_url;
}
static void
cal_component_preview_init (ECalComponentPreview *preview)
{
GtkHTML *html;
preview->priv = E_CAL_COMPONENT_PREVIEW_GET_PRIVATE (preview);
html = GTK_HTML (preview);
gtk_html_set_default_content_type (html, "charset=utf-8");
gtk_html_load_empty (html);
preview->priv->zone = icaltimezone_get_utc_timezone ();
}
GType
e_cal_component_preview_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
static const GTypeInfo type_info = {
sizeof (ECalComponentPreviewClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) cal_component_preview_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (ECalComponentPreview),
0, /* n_preallocs */
(GInstanceInitFunc) cal_component_preview_init,
NULL /* value_table */
};
type = g_type_register_static (
GTK_TYPE_HTML, "ECalComponentPreview", &type_info, 0);
}
return type;
}
GtkWidget *
e_cal_component_preview_new (void)
{
return g_object_new (E_TYPE_CAL_COMPONENT_PREVIEW, NULL);
}
icaltimezone *
e_cal_component_preview_get_default_timezone (ECalComponentPreview *preview)
{
g_return_val_if_fail (E_IS_CAL_COMPONENT_PREVIEW (preview), NULL);
return preview->priv->zone;
}
void
e_cal_component_preview_set_default_timezone (ECalComponentPreview *preview,
icaltimezone *zone)
{
g_return_if_fail (E_IS_CAL_COMPONENT_PREVIEW (preview));
g_return_if_fail (zone != NULL);
preview->priv->zone = zone;
}
void
e_cal_component_preview_display (ECalComponentPreview *preview,
ECal *ecal,
ECalComponent *comp)
{
GtkHTMLStream *stream;
g_return_if_fail (E_IS_CAL_COMPONENT_PREVIEW (preview));
g_return_if_fail (E_IS_CAL_COMPONENT (comp));
stream = gtk_html_begin (GTK_HTML (preview));
cal_component_preview_write_html (
stream, ecal, comp, preview->priv->zone);
gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
}
void
e_cal_component_preview_clear (ECalComponentPreview *preview)
{
g_return_if_fail (E_IS_CAL_COMPONENT_PREVIEW (preview));
gtk_html_load_empty (GTK_HTML (preview));
}
