indexing
	description:
		"[
			Toggle button for use with EV_TOOL_BAR.
			`is_selected' is mutualy exclusive with respect to other tool bar
			radio buttons between separators in a tool bar.
		]"
	status: "See notice at end of class."
	keywords: "toggle, button, tool, bar"
	date: "$Date$"
	revision: "$Revision$"

class
	EV_TOOL_BAR_RADIO_BUTTON

inherit
	EV_TOOL_BAR_BUTTON
		redefine
			implementation,
			create_implementation,
			is_in_default_state
		end

	EV_RADIO_PEER
		undefine
			initialize
		redefine
			implementation,
			is_in_default_state
		end

	EV_SELECTABLE
		undefine
			initialize
		redefine
			implementation,
			is_in_default_state
		end

create
	default_create,
	make_with_text

feature {NONE} -- Contract support

	is_in_default_state: BOOLEAN is
			-- Is `Current' in its default state?
			-- Radio buttons are selected by default.
		do
			Result := Precursor {EV_RADIO_PEER}
			and then Precursor {EV_TOOL_BAR_BUTTON}
		end

feature {EV_ANY_I}-- Implementation

	implementation: EV_TOOL_BAR_RADIO_BUTTON_I
			-- Responsible for interaction with native graphics toolkit.

feature {NONE} -- Implementation

	create_implementation is
			-- See `{EV_ANY}.create_implementation'.
		do
			create {EV_TOOL_BAR_RADIO_BUTTON_IMP} implementation.make (Current)
		end

end -- class EV_TOOL_BAR_RADIO_BUTTON

--|----------------------------------------------------------------
--| EiffelVision2: library of reusable components for ISE Eiffel.
--| Copyright (C) 1986-2001 Interactive Software Engineering Inc.
--| All rights reserved. Duplication and distribution prohibited.
--| May be used only with ISE Eiffel, under terms of user license. 
--| Contact ISE for any other use.
--|
--| Interactive Software Engineering Inc.
--| ISE Building
--| 360 Storke Road, Goleta, CA 93117 USA
--| Telephone 805-685-1006, Fax 805-685-6869
--| Electronic mail <info@eiffel.com>
--| Customer support: http://support.eiffel.com>
--| For latest info see award-winning pages: http://www.eiffel.com
--|----------------------------------------------------------------