/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-tasks.c
*
* Copyright (C) 2001-2003 Ximian, Inc.
*
* 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.
*
* Authors: Federico Mena Quintero <federico@ximian.com>
* Damon Chaplin <damon@ximian.com>
* Rodrigo Moya <rodrigo@ximian.com>
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gnome.h>
#include <gtk/gtk.h>
#include <libgnomevfs/gnome-vfs-ops.h>
#include <libedataserver/e-categories.h>
#include <libecal/e-cal-time-util.h>
#include <gtkhtml/gtkhtml.h>
#include <gtkhtml/gtkhtml-stream.h>
#include <e-util/e-time-utils.h>
#include <e-util/e-categories-config.h>
#include "calendar-config.h"
#include "e-cal-component-preview.h"
struct _ECalComponentPreviewPrivate {
GtkWidget *html;
icaltimezone *zone;
};
G_DEFINE_TYPE (ECalComponentPreview, e_cal_component_preview, GTK_TYPE_TABLE);
static void
on_link_clicked (GtkHTML *html, const char *url, gpointer data)
{
GError *err = NULL;
gnome_url_show (url, &err);
if (err) {
g_warning ("gnome_url_show: %s", err->message);
g_error_free (err);
}
}
static void
on_url_cb (GtkHTML *html, const char *url, gpointer data)
{
#if 0
char *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
}
/* Callback used when the user selects a URL in the HTML widget */
static void
url_requested_cb (GtkHTML *html, const char *url, GtkHTMLStream *stream, gpointer data)
{
if (!strncmp ("file:///", url, strlen ("file:///"))) {
GnomeVFSHandle *handle;
GnomeVFSResult result;
char buffer[4096];
if (gnome_vfs_open (&handle, url, GNOME_VFS_OPEN_READ) == GNOME_VFS_OK) {
do {
GnomeVFSFileSize bread;
result = gnome_vfs_read (handle, buffer, sizeof (buffer), &bread);
if (result == GNOME_VFS_OK)
gtk_html_stream_write (stream, buffer, bread);
} while (result == GNOME_VFS_OK);
gnome_vfs_close (handle);
}
}
}
/* 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
write_html (GtkHTMLStream *stream, ECal *ecal, ECalComponent *comp, icaltimezone *default_zone)
{
ECalComponentText text;
ECalComponentDateTime dt;
gchar *str;
GSList *l;
icalproperty_status status;
const char *location;
int *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 */
e_cal_component_get_categories_list (comp, &l);
if (l) {
GSList *node;
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) {
gtk_html_stream_printf (stream, "<IMG ALT=\"%s\" SRC=\"file://%s\">",
(const char *) node->data, icon_file);
}
}
e_cal_component_free_categories_list (l);
gtk_html_stream_printf (stream, "<BR><BR><BR>");
}
/* 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);
e_cal_component_free_datetime (&dt);
g_free (str);
}
/* 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);
e_cal_component_free_datetime (&dt);
g_free (str);
}
/* 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);
e_cal_component_free_datetime (&dt);
g_free (str);
}
/* write status */
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 (_("Cancelled"));
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);
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, &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>");
for (node = l; node != NULL; node = node->next) {
gint i;
GString *str = g_string_new ("");;
text = * (ECalComponentText *) node->data;
for (i = 0; i < strlen (text.value ? text.value : 0); i++) {
if (text.value[i] == '\n')
str = g_string_append (str, "<BR>");
else if (text.value[i] == '<')
str = g_string_append (str, "<");
else if (text.value[i] == '>')
str = g_string_append (str, ">");
else
str = g_string_append_c (str, text.value[i]);
}
gtk_html_stream_printf (stream, "%s", str->str);
g_string_free (str, TRUE);
}
gtk_html_stream_printf (stream, "</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
e_cal_component_preview_init (ECalComponentPreview *preview)
{
ECalComponentPreviewPrivate *priv;
GtkWidget *scroll;
priv = g_new0 (ECalComponentPreviewPrivate, 1);
preview->priv = priv;
priv->html = gtk_html_new ();
gtk_html_set_default_content_type (GTK_HTML (priv->html), "charset=utf-8");
gtk_html_load_empty (GTK_HTML (priv->html));
g_signal_connect (G_OBJECT (priv->html), "url_requested",
G_CALLBACK (url_requested_cb), NULL);
g_signal_connect (G_OBJECT (priv->html), "link_clicked",
G_CALLBACK (on_link_clicked), preview);
g_signal_connect (G_OBJECT (priv->html), "on_url",
G_CALLBACK (on_url_cb), preview);
scroll = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroll),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scroll), GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (scroll), priv->html);
gtk_container_add (GTK_CONTAINER (preview), scroll);
gtk_widget_show_all (scroll);
priv->zone = icaltimezone_get_utc_timezone ();
}
static void
e_cal_component_preview_destroy (GtkObject *object)
{
ECalComponentPreview *preview;
ECalComponentPreviewPrivate *priv;
g_return_if_fail (object != NULL);
g_return_if_fail (E_IS_CAL_COMPONENT_PREVIEW (object));
preview = E_CAL_COMPONENT_PREVIEW (object);
priv = preview->priv;
if (priv) {
g_free (priv);
preview->priv = NULL;
}
if (GTK_OBJECT_CLASS (e_cal_component_preview_parent_class)->destroy)
(* GTK_OBJECT_CLASS (e_cal_component_preview_parent_class)->destroy) (object);
}
static void
e_cal_component_preview_class_init (ECalComponentPreviewClass *klass)
{
GtkObjectClass *object_class;
object_class = (GtkObjectClass *) klass;
object_class->destroy = e_cal_component_preview_destroy;
}
GtkWidget *
e_cal_component_preview_new (void)
{
ECalComponentPreview *preview;
preview = g_object_new (e_cal_component_preview_get_type (), NULL);
return GTK_WIDGET (preview);
}
icaltimezone *
e_cal_component_preview_get_default_timezone (ECalComponentPreview *preview)
{
ECalComponentPreviewPrivate *priv;
g_return_val_if_fail (preview != NULL, NULL);
g_return_val_if_fail (E_IS_CAL_COMPONENT_PREVIEW (preview), NULL);
priv = preview->priv;
return priv->zone;
}
void
e_cal_component_preview_set_default_timezone (ECalComponentPreview *preview, icaltimezone *zone)
{
ECalComponentPreviewPrivate *priv;
g_return_if_fail (preview != NULL);
g_return_if_fail (E_IS_CAL_COMPONENT_PREVIEW (preview));
g_return_if_fail (zone != NULL);
priv = preview->priv;
priv->zone = zone;
}
void
e_cal_component_preview_display (ECalComponentPreview *preview, ECal *ecal, ECalComponent *comp)
{
ECalComponentPreviewPrivate *priv;
GtkHTMLStream *stream;
g_return_if_fail (preview != NULL);
g_return_if_fail (E_IS_CAL_COMPONENT_PREVIEW (preview));
g_return_if_fail (comp != NULL);
g_return_if_fail (E_IS_CAL_COMPONENT (comp));
priv = preview->priv;
stream = gtk_html_begin (GTK_HTML (priv->html));
write_html (stream, ecal, comp, priv->zone);
gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
}
void
e_cal_component_preview_clear (ECalComponentPreview *preview)
{
ECalComponentPreviewPrivate *priv;
g_return_if_fail (preview != NULL);
g_return_if_fail (E_IS_CAL_COMPONENT_PREVIEW (preview));
priv = preview->priv;
gtk_html_load_empty (GTK_HTML (priv->html));
}
