note description: "Help engine, displays help context, implementation interface" legal: "See notice at end of class." status: "See notice at end of class." deferred class EB_HELP_ENGINE_I feature -- Status Report last_show_successful: BOOLEAN -- Was last call to `show' successful? deferred ensure message_if_failed: not Result implies (last_error_message /= Void and then not last_error_message.is_empty) end last_error_message: STRING_GENERAL -- Last error message, if any deferred end feature -- Basic Operations show (a_help_context: EB_HELP_CONTEXT) -- Show help with context `a_help_context'. 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_HELP_ENGINE