note
	description	: "Observer for EB_FAVORITES"
	legal: "See notice at end of class."
	status: "See notice at end of class."
	author		: "Arnaud PICHERY [ aranud@mail.dotcom.fr ]"
	date		: "$Date$"
	revision	: "$Revision$"

deferred class
	EB_FAVORITES_OBSERVER

inherit
	EB_SHARED_MANAGERS
			-- For the Favorites.

feature -- Updates

	on_item_added (a_item: EB_FAVORITES_ITEM; a_path: ARRAYED_LIST [EB_FAVORITES_FOLDER])
			-- `a_item' has been added
			-- `a_item' is situated in the path `a_path'. The first item of the path list
			-- is a folder situated in the root. If `a_item' is in the root, `a_path' can
			-- be set to an empty list or `Void'
		do
		end

	on_item_removed (a_item: EB_FAVORITES_ITEM; a_path: ARRAYED_LIST [EB_FAVORITES_FOLDER])
			-- `a_item' has been removed. 
			-- `a_item' is situated in the path `a_path'. The first item of the path list
			-- is a folder situated in the root. If `a_item' is in the root, `a_path' can
			-- be set to an empty list or `Void'
		do
		end

	on_update
			-- Completely recompute the observer state.
		do
		end

feature -- Status stetting

	disable_sensitive
			-- Make `Current' insensitive.
		deferred
		end

	enable_sensitive
			-- Make `Current' sensitive.
		deferred
		end

note
	copyright:	"Copyright (c) 1984-2006, Eiffel Software"
	license:	"GPL version 2 (see http://www.eiffel.com/licensing/gpl.txt)"
	licensing_options:	"http://www.eiffel.com/licensing"
	copying: "[
			This file is part of Eiffel Software's Eiffel Development Environment.
			
			Eiffel Software's Eiffel Development Environment 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, version 2 of the License
			(available at the URL listed under "license" above).
			
			Eiffel Software's Eiffel Development Environment 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 Eiffel Software's Eiffel Development
			Environment; if not, write to the Free Software Foundation,
			Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
		]"
	source: "[
			 Eiffel Software
			 356 Storke Road, Goleta, CA 93117 USA
			 Telephone 805-685-1006, Fax 805-685-6869
			 Website http://www.eiffel.com
			 Customer support http://support.eiffel.com
		]"

end -- class EB_FAVORITES_OBSERVER