# -*- coding: utf-8 -*-
# Copyright © 2006 Lateef Alabi-Oki
#
# This file is part of Scribes.
#
# Scribes 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.
#
# Scribes 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 Scribes; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
# USA

"""
This module documents a class that adds/removes a menuitem to show the
automatic replacement dialog.

@author: Lateef Alabi-Oki
@organization: The Scribes Project
@copyright: Copyright © 2006 Lateef Alabi-Oki
@license: GNU GPLv2 or Later
@contact: mystilleef@gmail.com
"""

class AutoReplaceMenuItem(object):
	"""
	This class creates an object that adds or removes a menuitem that
	shows the automatic replacement dialog.
	"""

	def __init__(self, trigger, editor):
		"""
		Initialize the object.

		@param self: Reference to the AutoReplaceMenuItem instance.
		@type self: An AutoReplaceMenuItem object.

		@param trigger: Reference to the AutoReplaceTrigger instance.
		@type trigger: An AutoReplaceTrigger object.

		@param editor: Reference to the text editor.
		@type editor: An Editor object.
		"""
		self.__init_attributes(trigger, editor)
		self.__add_menuitem()
		self.__signal_id_1 = self.__trigger.connect("destroy", self.__menuitem_destroy_cb)
		self.__signal_id_2 = self.__menuitem.connect("activate", self.__menuitem_activate_cb)

	def __init_attributes(self, trigger, editor):
		"""
		Initialize the object.

		@param self: Reference to the AutoReplaceMenuItem instance.
		@type self: An AutoReplaceMenuItem object.

		@param trigger: Reference to the AutoReplaceTrigger instance.
		@type trigger: An AutoReplaceTrigger object.

		@param editor: Reference to the text editor.
		@type editor: An Editor object.
		"""
		self.__trigger = trigger
		self.__editor = editor
		self.__signal_id_1 = None
		self.__signal_id_2 = None
		from gtk import STOCK_SELECT_COLOR, STOCK_PROPERTIES
		from SCRIBES.utils import create_menuitem
		from i18n import msg0001
		self.__menuitem = create_menuitem(msg0001, STOCK_PROPERTIES)
		return

	def __add_menuitem(self):
		"""
		Add menuitem to the editor's preference menu.

		@param self: Reference to the AutoReplaceMenuItem instance.
		@type self: An AutoReplaceMenuItem object.
		"""
		self.__editor.preference_menu.append(self.__menuitem)
		self.__editor.preference_menu.show_all()
		return

	def __menuitem_destroy_cb(self, trigger):
		"""
		Handles callback when the "destroy" signal is emitted.

		@param self: Reference to the AutoReplaceMenuItem instance.
		@type self: An AutoReplaceMenuItem object.

		@param trigger: Reference to the AutoReplaceTrigger instance.
		@type trigger: An AutoReplaceTrigger object.
		"""
		from SCRIBES.utils import disconnect_signal, delete_attributes
		disconnect_signal(self.__signal_id_2, self.__menuitem)
		disconnect_signal(self.__signal_id_1, self.__trigger)
		self.__editor.preference_menu.remove(self.__menuitem)
		self.__menuitem.destroy()
		delete_attributes(self)
		del self
		self = None
		return

	def __menuitem_activate_cb(self, menuitem):
		"""
		Handles callback when the "activate" signal is emitted.

		@param self: Reference to the AutoReplaceMenuItem instance.
		@type self: An AutoReplaceMenuItem object.

		@param menuitem: Reference the the automatic replacement menuitem.
		@type menuitem: A gtk.MenuItem object.

		@return: True to propagate signals to parent widgets.
		@type: A Boolean Object.
		"""
		self.__editor.triggermanager.trigger("show_autoreplace_dialog")
		return False