/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* 
 * ea-minicard-view.c
 * Copyright (C) 2000  Ximian, Inc.
 * Author:  Leon Zhang < leon.zhang@sun.com> 
 *
 * This library 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 library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include <config.h>
#include <libgnome/gnome-i18n.h>
#include <string.h>
#include <gtk/gtkaccessible.h>
#include <glib/gstrfuncs.h>
#include <libgnome/gnome-i18n.h>
#include "ea-minicard.h"
#include "ea-minicard-view.h"
#include "eab-gui-util.h"
#include "e-addressbook-view.h"

static const char * action_name[] = {
	N_("New Contact"),
	N_("New Contact List")
};


static G_CONST_RETURN gchar* ea_minicard_view_get_name (AtkObject *accessible);
static G_CONST_RETURN gchar* ea_minicard_view_get_description (AtkObject *accessible);

static void ea_minicard_view_class_init (EaMinicardViewClass *klass);

static gint ea_minicard_view_get_n_children (AtkObject *obj);
static AtkObject *ea_minicard_view_ref_child (AtkObject *obj, gint i);

static AtkStateSet *ea_minicard_view_ref_state_set(AtkObject *obj);

static void atk_selection_interface_init (AtkSelectionIface *iface);
static gboolean selection_interface_add_selection (AtkSelection *selection,
						   gint i);
static gboolean selection_interface_clear_selection (AtkSelection *selection);
static AtkObject* selection_interface_ref_selection (AtkSelection *selection,
						     gint i);
static gint selection_interface_get_selection_count (AtkSelection *selection);
static gboolean selection_interface_is_child_selected (AtkSelection *selection,
						       gint i);

static void atk_action_interface_init (AtkActionIface *iface);
static gboolean atk_action_interface_do_action (AtkAction *iface, gint i);
static gint atk_action_interface_get_n_action (AtkAction *iface);
static G_CONST_RETURN gchar* atk_action_interface_get_description (AtkAction *iface, gint i);
static G_CONST_RETURN gchar* atk_action_interface_get_name (AtkAction *iface, gint i);

static gpointer parent_class = NULL;

GType
ea_minicard_view_get_type (void)
{
	static GType type = 0;
	AtkObjectFactory *factory;
	GTypeQuery query;
	GType derived_atk_type;

	if (!type) {
		static  GTypeInfo tinfo =  {
			sizeof (EaMinicardViewClass),
			(GBaseInitFunc) NULL,  /* base_init */
			(GBaseFinalizeFunc) NULL,  /* base_finalize */
			(GClassInitFunc) ea_minicard_view_class_init,
			(GClassFinalizeFunc) NULL, /* class_finalize */
			NULL,	   /* class_data */
			sizeof (EaMinicardView),
			0,	     /* n_preallocs */
			(GInstanceInitFunc) NULL, /* instance init */
			NULL /* value table */
		};

		static const GInterfaceInfo atk_selection_info = {
			(GInterfaceInitFunc) atk_selection_interface_init,
			(GInterfaceFinalizeFunc) NULL,
			NULL
		};
			
		static const GInterfaceInfo atk_action_info = {
			(GInterfaceInitFunc) atk_action_interface_init,
			(GInterfaceFinalizeFunc) NULL,
			NULL
		};
					
		/*
		 * Figure out the size of the class and instance
		 * we are run-time deriving from (GailWidget, in this case) */

		factory = atk_registry_get_factory (atk_get_default_registry (),
							GNOME_TYPE_CANVAS_GROUP);
		derived_atk_type = atk_object_factory_get_accessible_type (factory);
		g_type_query (derived_atk_type, &query);

		tinfo.class_size = query.class_size;
		tinfo.instance_size = query.instance_size;

		type = g_type_register_static (derived_atk_type,
						"EaMinicardView", &tinfo, 0);
		g_type_add_interface_static (type, ATK_TYPE_SELECTION,
					     &atk_selection_info);
		g_type_add_interface_static (type, ATK_TYPE_ACTION,
					     &atk_action_info);
		
	}

	return type;
}

static void
ea_minicard_view_class_init (EaMinicardViewClass *klass)
{
	AtkObjectClass *class = ATK_OBJECT_CLASS (klass);

	parent_class = g_type_class_peek_parent (klass);

	class->get_name = ea_minicard_view_get_name;
	class->get_description = ea_minicard_view_get_description;
	class->ref_state_set = ea_minicard_view_ref_state_set;
	class->get_n_children = ea_minicard_view_get_n_children;
	class->ref_child = ea_minicard_view_ref_child;
}

static G_CONST_RETURN gchar*
ea_minicard_view_get_name (AtkObject *accessible)
{
	EReflow *reflow;
	gchar *string;
	
	g_return_val_if_fail (EA_IS_MINICARD_VIEW (accessible), NULL);

	reflow = E_REFLOW(atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (accessible)));

	if (!reflow)
		return NULL;

	string = g_strdup_printf (ngettext ("current addressbook folder has %d card", 
				   "current addressbook folder has %d cards", 
				   reflow->count), reflow->count);
	

	ATK_OBJECT_CLASS (parent_class)->set_name (accessible, string);
	g_free (string);
	return accessible->name;
}

static G_CONST_RETURN gchar*
ea_minicard_view_get_description (AtkObject *accessible)
{
	g_return_val_if_fail (EA_IS_MINICARD_VIEW(accessible), NULL);
	if (accessible->description)
		return accessible->description;

	return _("evolution addressbook");
}

AtkObject* 
ea_minicard_view_new (GObject *obj)
{
	GObject *object;
	AtkObject *accessible;

	g_return_val_if_fail (E_IS_MINICARD_VIEW(obj), NULL);
	object = g_object_new (EA_TYPE_MINICARD_VIEW, NULL);
	accessible = ATK_OBJECT (object);
	atk_object_initialize (accessible, obj);
	accessible->role = ATK_ROLE_PANEL;
	return accessible;
}

static gint
ea_minicard_view_get_n_children (AtkObject *accessible)
{
	EReflow *reflow;
	
	gint child_num = 0;
	
	g_return_val_if_fail (EA_IS_MINICARD_VIEW (accessible), -1);
	
	reflow = E_REFLOW (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE(accessible)));

	if (!reflow)
		return -1;
	
	child_num = reflow->count;
	
	return child_num;
}

static AtkStateSet *ea_minicard_view_ref_state_set (AtkObject *obj)
{
	AtkStateSet *state_set = NULL;
	GObject *gobj = NULL;
	
	state_set = ATK_OBJECT_CLASS (parent_class)->ref_state_set (obj);
	if( !state_set )
		state_set = atk_state_set_new ();

	gobj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (obj));
	if( !gobj )
		return state_set;
	
	atk_state_set_add_state (state_set, ATK_STATE_ENABLED);
	atk_state_set_add_state (state_set, ATK_STATE_SENSITIVE);
	atk_state_set_add_state (state_set, ATK_STATE_SHOWING);

	return state_set;
}

static AtkObject *
ea_minicard_view_ref_child (AtkObject *accessible, gint index)
{
	EReflow *reflow;
	gint child_num;
	AtkObject *atk_object = NULL;
	EMinicard *card = NULL;

	g_return_val_if_fail (EA_IS_MINICARD_VIEW (accessible), NULL);
	
	child_num = atk_object_get_n_accessible_children (accessible);
	if (child_num <= 0 || index < 0 || index >= child_num)
		return NULL;
	
	reflow = E_REFLOW (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (accessible)));
	if (!reflow)
		return NULL;
	if (!reflow->items )
		return NULL;
		/* a minicard */
	if (index < child_num) {
		card = E_MINICARD (reflow->items[index]);
		atk_object = atk_gobject_accessible_for_object (G_OBJECT (card));
	} else {
		return NULL;
	}

	g_object_ref (atk_object);
		return atk_object;
}

/* atkselection interface */

static void
atk_selection_interface_init (AtkSelectionIface *iface)
{
	g_return_if_fail (iface != NULL);

	iface->add_selection = selection_interface_add_selection;
	iface->clear_selection = selection_interface_clear_selection;
	iface->ref_selection = selection_interface_ref_selection;
	iface->get_selection_count = selection_interface_get_selection_count;
	iface->is_child_selected = selection_interface_is_child_selected;
}

static gboolean
selection_interface_add_selection (AtkSelection *selection, gint i)
{
	AtkGObjectAccessible *atk_gobj= NULL;
	EReflow *reflow = NULL;
	
	atk_gobj = ATK_GOBJECT_ACCESSIBLE (selection);
	reflow = E_REFLOW (atk_gobject_accessible_get_object (atk_gobj));
	
	if (!reflow)
		return FALSE;
	
	selection_interface_clear_selection (selection);
	e_selection_model_select_single_row (reflow->selection, i);

	return TRUE;
}

static gboolean
selection_interface_clear_selection (AtkSelection *selection)
{
	AtkGObjectAccessible *atk_gobj = NULL;
	EReflow *reflow = NULL;

	atk_gobj = ATK_GOBJECT_ACCESSIBLE (selection);
	reflow = E_REFLOW(atk_gobject_accessible_get_object (atk_gobj));

	if( !reflow )
		return FALSE;
	
	e_selection_model_clear (reflow->selection);
	
	return TRUE;
}

static AtkObject*
selection_interface_ref_selection (AtkSelection *selection, gint i)
{
	return ea_minicard_view_ref_child (ATK_OBJECT (selection), i);
}

static gint
selection_interface_get_selection_count (AtkSelection *selection)
{
	AtkGObjectAccessible *atk_gobj = NULL;
	EReflow *reflow = NULL;

	atk_gobj = ATK_GOBJECT_ACCESSIBLE (selection);
	reflow = E_REFLOW (atk_gobject_accessible_get_object (atk_gobj));

	if (!reflow )
		return FALSE;
	
	return e_selection_model_selected_count (reflow->selection);
}

static gboolean
selection_interface_is_child_selected (AtkSelection *selection, gint i)
{
	AtkGObjectAccessible *atk_gobj = NULL;
	EReflow *reflow = NULL;

	atk_gobj = ATK_GOBJECT_ACCESSIBLE (selection);
	reflow = E_REFLOW(atk_gobject_accessible_get_object (atk_gobj));

	if( !reflow )
		return FALSE;

	return e_selection_model_is_row_selected (reflow->selection, i);
}

static void atk_action_interface_init (AtkActionIface *iface)
{
	g_return_if_fail (iface != NULL);

	iface->do_action = atk_action_interface_do_action;
	iface->get_n_actions = atk_action_interface_get_n_action;
	iface->get_description = atk_action_interface_get_description;
	iface->get_name = atk_action_interface_get_name;
}

static gboolean atk_action_interface_do_action (AtkAction *action, gint i)
{
	gboolean return_value = TRUE;
	EMinicardView *card_view;
	EContact *contact = e_contact_new();

	AtkGObjectAccessible *atk_gobj= NULL;
        EReflow *reflow = NULL;
	EBook *book;

	atk_gobj = ATK_GOBJECT_ACCESSIBLE (action);
	reflow = E_REFLOW (atk_gobject_accessible_get_object (atk_gobj));

	if (reflow == NULL)
		return FALSE;

	card_view = E_MINICARD_VIEW (reflow);
	g_object_get(card_view,
		     "book", &book,
		     NULL);
	g_assert (E_IS_BOOK (book));

	switch (i) {
		case 0:
		/* New Contact */
			eab_show_contact_editor (book, contact, TRUE, TRUE);
			break;
		case 1:
		/* New Contact List */
			eab_show_contact_list_editor (book, contact, TRUE, TRUE);
			break;
		default:
                	return_value = FALSE;
			break;
	}
	g_object_unref (book);
	g_object_unref (contact);
	return return_value;
}

static gint atk_action_interface_get_n_action (AtkAction *iface)
{
	return G_N_ELEMENTS (action_name);
}

static G_CONST_RETURN gchar*
atk_action_interface_get_description (AtkAction *iface, gint i)
{
	return atk_action_interface_get_name (iface, i);
}

static G_CONST_RETURN gchar*
atk_action_interface_get_name (AtkAction *iface, gint i)
{
	if( i >= G_N_ELEMENTS (action_name) || i < 0)
		return NULL;

	return action_name[i];
}