note description: "Pulldown menu of an option button, it is attached to an option % %button which is automatically created. It can contain all % %kinds of buttons" legal: "See notice at end of class."; status: "See notice at end of class."; date: "$Date$"; revision: "$Revision$" class OPT_PULL inherit PULLDOWN redefine parent, implementation end; create make, make_unmanaged feature {NONE} -- Initialization make (a_name: STRING; a_parent: COMPOSITE) -- Create a pulldown menu with `a_name' as identifier, -- `a_parent' as parent and call `set_default'. require valid_name: a_name /= Void; valid_name: a_parent /= Void do create_ev_widget (a_name, a_parent, True) ensure parent_set: parent = a_parent; identifier_set: identifier.is_equal (a_name); managed: managed end; make_unmanaged (a_name: STRING; a_parent: COMPOSITE) -- Create an unmanaged pulldown menu with `a_name' as identifier, -- `a_parent' as parent and call `set_default'. require valid_name: a_name /= Void; valid_name: a_parent /= Void do create_ev_widget (a_name, a_parent, False) ensure parent_set: parent = a_parent; identifier_set: identifier.is_equal (a_name); not_managed: not managed end; create_ev_widget (a_name: STRING; a_parent: COMPOSITE; man: BOOLEAN) -- Create a pulldown menu with `a_name' as identifier, -- `a_parent' as parent and call `set_default'. do depth := a_parent.depth+1; if a_name /= Void then identifier := a_name.twin else identifier := Void end widget_manager.new (Current, a_parent); create {OPT_PULL_IMP} implementation.make (Current, man, a_parent); implementation.set_widget_default; set_default end; feature -- Access parent: COMPOSITE -- Parent of pulldown menu do Result ?= widget_manager.parent (Current) end; selected_button: BUTTON -- Current Push Button selected in the option menu require exists: not destroyed do Result := implementation.selected_button end; option_button: OPTION_B -- Option button of the current opt_pull require exists: not destroyed do Result := implementation.option_button end; button: BUTTON do Result := option_button end; caption: STRING require exists: not destroyed do Result := implementation.caption; end feature -- Element change set_selected_button (a_button: BUTTON) -- Set `selected_button' to `a_button' require exists: not destroyed do implementation.set_selected_button(a_button) ensure a_button.same (selected_button) end; set_caption (a_caption: STRING) require exists: not destroyed; valid_caption: a_caption /= Void; do implementation.set_caption (a_caption); end; feature {G_ANY, G_ANY_I, WIDGET_I, TOOLKIT} -- Implementation implementation: OPT_PULL_I; -- Implementation of pulldown menu feature {NONE} -- Implementation set_default -- Set default values to current pulldown menu. do end; note copyright: "Copyright (c) 1984-2006, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" 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 OPT_PULL