/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-tasks.c
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* Authors: Federico Mena Quintero <federico@ximian.com>
* Damon Chaplin <damon@ximian.com>
* Rodrigo Moya <rodrigo@ximian.com>
* Nathan Owens <pianocomp81@yahoo.com>
*/
#include "e-memo-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-categories-config.h>
#include "calendar-config.h"
#include "e-cal-component-preview.h"
#include <camel/camel-mime-filter-tohtml.h>
#define E_MEMO_PREVIEW_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_MEMO_PREVIEW, EMemoPreviewPrivate))
struct _EMemoPreviewPrivate {
icaltimezone *zone;
};
static gpointer parent_class;
static void
memo_preview_link_clicked (GtkHTML *html,
const gchar *url)
{
GdkScreen *screen;
GError *error = NULL;
screen = gtk_widget_get_screen (GTK_WIDGET (html));
gtk_show_uri (screen, url, GDK_CURRENT_TIME, &error);
if (error != NULL) {
g_warning ("%s", error->message);
g_error_free (error);
}
}
static void
memo_preview_on_url (GtkHTML *html,
const gchar *url)
{
#if 0
char *msg;
EMemoPreview *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 char *
timet_to_str_with_zone (ECalComponentDateTime *dt,
ECal *ecal,
icaltimezone *default_zone)
{
struct icaltimetype itt;
icaltimezone *zone;
struct tm tm;
char 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
memo_preview_write_html (GtkHTMLStream *stream,
ECal *ecal,
ECalComponent *comp,
icaltimezone *default_zone)
{
ECalComponentText text;
ECalComponentDateTime dt;
gchar *str;
GSList *l;
gboolean one_added = FALSE;
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 */
e_cal_component_get_categories_list (comp, &l);
if (l) {
GSList *node;
GString *string = g_string_new (NULL);
gtk_html_stream_printf(stream, "<H3>%s: ", _("Categories"));
for (node = l; node != NULL; node = node->next) {
const char *icon_file;
icon_file = e_categories_get_icon_file_for ((const char *) node->data);
if (icon_file && g_file_test(icon_file, G_FILE_TEST_EXISTS)) {
gchar *icon_file_uri = g_filename_to_uri (icon_file, NULL, NULL);
gtk_html_stream_printf (stream, "<IMG ALT=\"%s\" SRC=\"%s\">",
(const char *) node->data, icon_file_uri);
g_free (icon_file_uri);
one_added = TRUE;
}
else{
if(one_added == FALSE){
g_string_append_printf (string, "%s", (const char *) node->data);
one_added = TRUE;
}
else{
g_string_append_printf (string, ", %s", (const char *) node->data);
}
}
}
if (string->len > 0)
gtk_html_stream_printf(stream, "%s", string->str);
g_string_free (string, TRUE);
gtk_html_stream_printf(stream, "</H3>");
e_cal_component_free_categories_list (l);
}
/* Start table */
gtk_html_stream_printf (stream, "<TABLE BORDER=\"0\" WIDTH=\"80%%\">"
"<TR><TD VALIGN=\"TOP\" ALIGN=\"RIGHT\" WIDTH=\"15%%\"></TD></TR>");
/* 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 description and URL */
gtk_html_stream_printf (stream, "<TR><TD COLSPAN=\"2\"><HR></TD></TR>");
e_cal_component_get_description_list (comp, &l);
if (l) {
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 = l; node != NULL; node = node->next) {
char *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 (l);
}
/* URL */
e_cal_component_get_url (comp, (const char **) &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
memo_preview_finalize (GObject *object)
{
EMemoPreviewPrivate *priv;
priv = E_MEMO_PREVIEW_GET_PRIVATE (object);
/* XXX Nothing to do? */
/* Chain up to parent's finalize() method. */
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
memo_preview_class_init (EMemoPreviewClass *class)
{
GObjectClass *object_class;
GtkHTMLClass *gtkhtml_class;
parent_class = g_type_class_peek_parent (class);
g_type_class_add_private (class, sizeof (EMemoPreviewPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->finalize = memo_preview_finalize;
gtkhtml_class = GTK_HTML_CLASS (class);
gtkhtml_class->link_clicked = memo_preview_link_clicked;
gtkhtml_class->on_url = memo_preview_on_url;
}
static void
memo_preview_init (EMemoPreview *preview)
{
EMemoPreviewPrivate *priv;
GtkHTML *html;
preview->priv = E_MEMO_PREVIEW_GET_PRIVATE (preview);
html = GTK_HTML (preview);
gtk_html_set_default_content_type (html, "charset=utf-8");
gtk_html_load_empty (html);
priv->zone = icaltimezone_get_utc_timezone ();
}
GType
e_memo_preview_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
static const GTypeInfo type_info = {
sizeof (EMemoPreviewClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) memo_preview_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (EMemoPreview),
0, /* n_preallocs */
(GInstanceInitFunc) memo_preview_init,
NULL /* value_table */
};
type = g_type_register_static (
GTK_TYPE_HTML, "EMemoPreview", &type_info, 0);
}
return type;
}
GtkWidget *
e_memo_preview_new (void)
{
return g_object_new (E_TYPE_MEMO_PREVIEW, NULL);
}
icaltimezone *
e_memo_preview_get_default_timezone (EMemoPreview *preview)
{
g_return_val_if_fail (E_IS_MEMO_PREVIEW (preview), NULL);
return preview->priv->zone;
}
void
e_memo_preview_set_default_timezone (EMemoPreview *preview,
icaltimezone *zone)
{
g_return_if_fail (E_IS_MEMO_PREVIEW (preview));
g_return_if_fail (zone != NULL);
preview->priv->zone = zone;
}
void
e_memo_preview_display (EMemoPreview *preview,
ECal *ecal,
ECalComponent *comp)
{
GtkHTMLStream *stream;
g_return_if_fail (E_IS_MEMO_PREVIEW (preview));
g_return_if_fail (E_IS_CAL_COMPONENT (comp));
stream = gtk_html_begin (GTK_HTML (preview));
memo_preview_write_html (stream, ecal, comp, preview->priv->zone);
gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
}
void
e_memo_preview_clear (EMemoPreview *preview)
{
g_return_if_fail (E_IS_MEMO_PREVIEW (preview));
gtk_html_load_empty (GTK_HTML (preview));
}