#!/usr/bin/env python
#
#  Copyright (C) 2005, 2006 Christian Persch
#
#  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, 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.
#
#  $Id$

import gtk
import epiphany

def show_tab_close_button (window, tab, show):
	label = window.get_notebook().get_tab_label(tab)
	button = label.get_children()[1]
	if show:
		button.show()
	else:
		button.hide()


def active_tab_cb(window, pspec, data):
	try:
		old_tab = window._tcb_active_tab
		show_tab_close_button (window, old_tab, False)
	except Exception:
		pass

	try:
		tab = window.get_active_tab()
		window._tcb_active_tab = tab

		show_tab_close_button (window, tab, True)
	except Exception:
		pass


def attach_tab (window, tab):
	show_tab_close_button (window, tab, tab == window.get_active_tab())


def detach_tab(window,tab):
	show_tab_close_button (window, tab, True)


def attach_window(window):
	active_tab_cb(window, None, None)
	handler_id = window.connect("notify::active-tab", active_tab_cb, None)
	window._tcb_details = [ handler_id ]


def detach_window(window):
	[ handler_id ] = window._tcb_details
	del window._tcb_details
	window.disconnect(handler_id)

	try:
		del window._tcb_active_tab
	except Exception:
		pass