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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 *  Authors: Jeffrey Stedfast <fejj@helixcode.com>
 *
 *  Copyright 2000 Helix Code, Inc. (www.helixcode.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 Street #330, Boston, MA 02111-1307, USA.
 *
 */


#include <gtk/gtk.h>
#include <gnome.h>
#include <gnome-xml/xmlmemory.h>

#include <gal/widgets/e-unicode.h>

#include "filter-system-flag.h"
#include "e-util/e-sexp.h"

#define d(x)

static void xml_create (FilterElement *fe, xmlNodePtr node);
static xmlNodePtr xml_encode (FilterElement *fe);
static int xml_decode (FilterElement *fe, xmlNodePtr node);
static GtkWidget *get_widget (FilterElement *fe);
static void build_code (FilterElement *fe, GString *out, struct _FilterPart *ff);
static void format_sexp (FilterElement *, GString *);

static void filter_system_flag_class_init (FilterSystemFlagClass *class);
static void filter_system_flag_init       (FilterSystemFlag *gspaper);
static void filter_system_flag_finalise   (GtkObject *obj);

#define _PRIVATE(x) (((FilterSystemFlag *)(x))->priv)

struct _FilterSystemFlagPrivate {
};

static FilterElementClass *parent_class;

enum {
    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL] = { 0 };

struct _system_flag {
    char *title;
    char *value;
} system_flags[] = {
    { _("Replied to"), "Answered" },
    /*{ _("Deleted"), "Deleted" },*/
    /*{ _("Draft"), "Draft" },*/
    { _("Important"), "Flagged" },
    { _("Read"), "Seen" },
    { NULL, NULL }
};

static struct _system_flag *
find_option (const char *name)
{
    struct _system_flag *flag;
    
    for (flag = system_flags; flag->title; flag++) {
        if (!g_strcasecmp (name, flag->value))
            return flag;
    }
    
    return NULL;
}

GtkType
filter_system_flag_get_type (void)
{
    static guint type = 0;
    
    if (!type) {
        GtkTypeInfo type_info = {
            "FilterSystemFlag",
            sizeof (FilterSystemFlag),
            sizeof (FilterSystemFlagClass),
            (GtkClassInitFunc) filter_system_flag_class_init,
            (GtkObjectInitFunc) filter_system_flag_init,
            (GtkArgSetFunc) NULL,
            (GtkArgGetFunc) NULL
        };
        
        type = gtk_type_unique (filter_element_get_type (), &type_info);
    }
    
    return type;
}

static void
filter_system_flag_class_init (FilterSystemFlagClass *class)
{
    GtkObjectClass *object_class;
    FilterElementClass *filter_element = (FilterElementClass *)class;
    
    object_class = (GtkObjectClass *)class;
    parent_class = gtk_type_class(filter_element_get_type ());
    
    object_class->finalize = filter_system_flag_finalise;
    
    /* override methods */
    filter_element->xml_create = xml_create;
    filter_element->xml_encode = xml_encode;
    filter_element->xml_decode = xml_decode;
    filter_element->get_widget = get_widget;
    filter_element->build_code = build_code;
    filter_element->format_sexp = format_sexp;
    
    /* signals */
    
    gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
}

static void
filter_system_flag_init (FilterSystemFlag *o)
{
    o->priv = g_malloc0 (sizeof (*o->priv));
}

static void
filter_system_flag_finalise (GtkObject *obj)
{
    FilterSystemFlag *o = (FilterSystemFlag *)obj;
    
    o = o;
    
        ((GtkObjectClass *)(parent_class))->finalize (obj);
}

/**
 * filter_system_flag_new:
 *
 * Create a new FilterSystemFlag object.
 * 
 * Return value: A new #FilterSystemFlag object.
 **/
FilterSystemFlag *
filter_system_flag_new (void)
{
    FilterSystemFlag *o = (FilterSystemFlag *)gtk_type_new (filter_system_flag_get_type ());
    return o;
}

static void
xml_create (FilterElement *fe, xmlNodePtr node)
{
    /* parent implementation */
        ((FilterElementClass *)(parent_class))->xml_create (fe, node);  
}

static xmlNodePtr
xml_encode (FilterElement *fe)
{
    FilterSystemFlag *fsf = (FilterSystemFlag *) fe;
    xmlNodePtr value;
    
    d(printf ("Encoding system-flag as xml\n"));
    value = xmlNewNode (NULL, "value");
    xmlSetProp (value, "name", fe->name);
    xmlSetProp (value, "type", "system-flag");
    xmlSetProp (value, "value", fsf->value);
    
    return value;
}

static int
xml_decode (FilterElement *fe, xmlNodePtr node)
{
    FilterSystemFlag *fsf = (FilterSystemFlag *) fe;
    struct _system_flag *flag;
    char *value;
    
    fe->name = xmlGetProp (node, "name");
    
    value = xmlGetProp (node, "value");
    if (value) {
        flag = find_option (value);
        fsf->value = flag ? flag->value : NULL;
        xmlFree (value);
    } else {
        fsf->value = NULL;
    }
    
    return 0;
}

static void
item_selected (GtkWidget *widget, FilterElement *fe)
{
    FilterSystemFlag *fsf = (FilterSystemFlag *) fe;
    struct _system_flag *flag;
    
    flag = gtk_object_get_data (GTK_OBJECT (widget), "flag");
    
    fsf->value = flag->value;
}

static GtkWidget *
get_widget (FilterElement *fe)
{
    FilterSystemFlag *fsf = (FilterSystemFlag *) fe;
    GtkWidget *omenu, *menu, *item;
    struct _system_flag *flag;
    int index = 0, current = 0;
    
        fsf->value = system_flags[0].value;
    
    menu = gtk_menu_new ();
    for (flag = system_flags; flag->title; flag++) {
        item = gtk_menu_item_new_with_label (flag->title);
        gtk_object_set_data (GTK_OBJECT (item), "flag", flag);
        gtk_signal_connect (GTK_OBJECT (item), "select", item_selected, fe);
        gtk_menu_append (GTK_MENU (menu), item);
        gtk_widget_show (item);
        if (!strcmp (fsf->value, flag->value))
            current = index;
        index++;
    }
    
    omenu = gtk_option_menu_new ();
    gtk_option_menu_set_menu (GTK_OPTION_MENU (omenu), menu);
    gtk_option_menu_set_history (GTK_OPTION_MENU (omenu), current);
    
    return omenu;
}

static void
build_code (FilterElement *fe, GString *out, struct _FilterPart *ff)
{
    return;
}

static void
format_sexp (FilterElement *fe, GString *out)
{
    FilterSystemFlag *fsf = (FilterSystemFlag *)fe;
    
    e_sexp_encode_string (out, fsf->value);
}