/* Evolution calendar - Search bar widget for calendar views
*
* Copyright (C) 2001 Ximian, Inc.
*
* Author: Federico Mena-Quintero <federico@ximian.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib.h>
#include <gtk/gtksignal.h>
#include <libgnome/gnome-defs.h>
#include <libgnome/gnome-i18n.h>
#include "cal-search-bar.h"
/* Menu items for the ESearchBar */
static ESearchBarItem search_menu_items[] = {
E_FILTERBAR_RESET,
{ NULL, -1 }
};
/* IDs and option items for the ESearchBar */
enum {
SEARCH_ANY_FIELD_CONTAINS,
SEARCH_SUMMARY_CONTAINS,
SEARCH_DESCRIPTION_CONTAINS,
SEARCH_COMMENT_CONTAINS,
SEARCH_HAS_CATEGORY
};
static ESearchBarItem search_option_items[] = {
{ N_("Any field contains"), SEARCH_ANY_FIELD_CONTAINS },
{ N_("Summary contains"), SEARCH_SUMMARY_CONTAINS },
{ N_("Description contains"), SEARCH_DESCRIPTION_CONTAINS },
{ N_("Comment contains"), SEARCH_COMMENT_CONTAINS },
{ N_("Has category"), SEARCH_HAS_CATEGORY },
{ NULL, -1 }
};
static void cal_search_bar_class_init (CalSearchBarClass *class);
static void cal_search_bar_query_changed (ESearchBar *search);
static void cal_search_bar_menu_activated (ESearchBar *search, int item);
/* Signal IDs */
enum {
SEXP_CHANGED,
LAST_SIGNAL
};
static guint cal_search_bar_signals[LAST_SIGNAL] = { 0 };
/**
* cal_search_bar_get_type:
*
* Registers the #CalSearchBar class if necessary and returns the type ID
* associated to it.
*
* Return value: The type ID of the #CalSearchBar class.
**/
GtkType
cal_search_bar_get_type (void)
{
static GtkType cal_search_bar_type = 0;
if (!cal_search_bar_type) {
static const GtkTypeInfo cal_search_bar_info = {
"CalSearchBar",
sizeof (CalSearchBar),
sizeof (CalSearchBarClass),
(GtkClassInitFunc) cal_search_bar_class_init,
(GtkObjectInitFunc) NULL,
NULL, /* reserved_1 */
NULL, /* reserved_2 */
(GtkClassInitFunc) NULL
};
cal_search_bar_type = gtk_type_unique (E_SEARCH_BAR_TYPE, &cal_search_bar_info);
}
return cal_search_bar_type;
}
/* Class initialization function for the calendar search bar */
static void
cal_search_bar_class_init (CalSearchBarClass *class)
{
ESearchBarClass *e_search_bar_class;
GtkObjectClass *object_class;
e_search_bar_class = (ESearchBarClass *) class;
object_class = (GtkObjectClass *) class;
cal_search_bar_signals[SEXP_CHANGED] =
gtk_signal_new ("sexp_changed",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (CalSearchBarClass, sexp_changed),
gtk_marshal_NONE__STRING,
GTK_TYPE_NONE, 1,
GTK_TYPE_STRING);
gtk_object_class_add_signals (object_class, cal_search_bar_signals, LAST_SIGNAL);
class->sexp_changed = NULL;
e_search_bar_class->query_changed = cal_search_bar_query_changed;
e_search_bar_class->menu_activated = cal_search_bar_menu_activated;
}
/* Emits the "sexp_changed" signal for the calendar search bar */
static void
notify_sexp_changed (CalSearchBar *cal_search, const char *sexp)
{
gtk_signal_emit (GTK_OBJECT (cal_search), cal_search_bar_signals[SEXP_CHANGED],
sexp);
}
/* Sets the query string to be (contains? "field" "text") */
static void
notify_query_contains (CalSearchBar *cal_search, const char *field, const char *text)
{
char *sexp;
sexp = g_strdup_printf ("(contains? \"%s\" \"%s\")", field, text);
notify_sexp_changed (cal_search, sexp);
g_free (sexp);
}
/* query_changed handler for the calendar search bar */
static void
cal_search_bar_query_changed (ESearchBar *search)
{
CalSearchBar *cal_search;
int item;
char *text;
cal_search = CAL_SEARCH_BAR (search);
item = e_search_bar_get_option_choice (search);
text = e_search_bar_get_text (search);
if (!text)
return; /* This is an error in the UTF8 conversion, not an empty string! */
switch (item) {
case SEARCH_ANY_FIELD_CONTAINS:
notify_query_contains (cal_search, "any", text);
break;
case SEARCH_SUMMARY_CONTAINS:
notify_query_contains (cal_search, "summary", text);
break;
case SEARCH_DESCRIPTION_CONTAINS:
notify_query_contains (cal_search, "description", text);
break;
case SEARCH_COMMENT_CONTAINS:
notify_query_contains (cal_search, "comment", text);
break;
case SEARCH_HAS_CATEGORY: {
char *sexp;
sexp = g_strdup_printf ("(has-categories? \"%s\")", text);
notify_sexp_changed (cal_search, sexp);
g_free (sexp);
break;
}
default:
g_assert_not_reached ();
}
g_free (text);
}
/* menu_activated handler for the calendar search bar */
static void
cal_search_bar_menu_activated (ESearchBar *search, int item)
{
CalSearchBar *cal_search;
cal_search = CAL_SEARCH_BAR (search);
switch (item) {
case E_FILTERBAR_RESET_ID:
notify_sexp_changed (cal_search, "#t"); /* match all */
/* FIXME: should we change the rest of the search bar so that
* the user sees that he selected "show all" instead of some
* type/text search combination?
*/
break;
default:
g_assert_not_reached ();
}
}
/**
* cal_search_bar_construct:
* @cal_search: A calendar search bar.
*
* Constructs a calendar search bar by binding its menu and option items.
*
* Return value: The same value as @cal_search.
**/
CalSearchBar *
cal_search_bar_construct (CalSearchBar *cal_search)
{
g_return_val_if_fail (cal_search != NULL, NULL);
g_return_val_if_fail (IS_CAL_SEARCH_BAR (cal_search), NULL);
e_search_bar_construct (E_SEARCH_BAR (cal_search), search_menu_items, search_option_items);
return cal_search;
}
/**
* cal_search_bar_new:
*
* Creates a new calendar search bar.
*
* Return value: A newly-created calendar search bar. You should connect to the
* "sexp_changed" signal to monitor changes in the generated sexps.
**/
GtkWidget *
cal_search_bar_new (void)
{
CalSearchBar *cal_search;
cal_search = gtk_type_new (TYPE_CAL_SEARCH_BAR);
return GTK_WIDGET (cal_search_bar_construct (cal_search));
}
