note
	description:
		"The demo that goes with the button demo"
	legal: "See notice at end of class."
	status: "See notice at end of class.";
	date: "$Date$";
	revision: "$Revision$"

class
	TREE_WINDOW

inherit
	DEMO_WINDOW

	EV_TREE
		redefine
			make
		end
	WIDGET_COMMANDS

create
	make

feature {NONE} -- Initialization

	make (par: EV_CONTAINER)
			-- Create the demo in `par'.
		local
			cmd: EV_ROUTINE_COMMAND
		do
			Precursor {EV_TREE} (par)
			--tree_item1 := create_item (Current, "Item")
			--tree_item2 := create_item (tree_item1, "Item 2")
			--tree_item1 := create_item (Current, "Item 3")
			--tree_item1 := create_item (Current, "Item 4")
			--tree_item3 := create_item (tree_item1, "Item 5")
			--tree_item2 := create_item (tree_item1, "Item 6")
			--create action_item.make_with_text (tree_item2, "Click Me !")

			-- Once everything done, we expand the sub-tree we want
			--tree_item1.set_expand (True)
			--tree_item2.set_expand (True)

			-- We add a command on an item.
			--create cmd.make (~execute1)
			--action_item.add_select_command (cmd, Void)
			create event_window.make (Current)
			add_widget_commands (Current, event_window, "tree")
			create cmd.make (agent select_command)
			add_select_command (cmd, Void)
			create cmd.make (agent unselect_command)
			add_unselect_command (cmd, Void)
		end

	set_tabs
			-- Set the tabs for the action window.
		do
			set_primitive_tabs
			tab_list.extend (tree_tab)
			create action_window.make (Current, tab_list)
			tree_tab.set_tree
		end

feature -- Access

	tree_item1: EV_TREE_ITEM
			-- an item

	tree_item2: EV_TREE_ITEM
			-- an item

	tree_item3: EV_TREE_ITEM
			-- an item

	action_item: EV_TREE_ITEM
			-- a tree item that moves.
feature -- Basic operation

	create_item (par: EV_TREE_ITEM_HOLDER; txt: STRING): EV_TREE_ITEM
				-- Create an item with pick and drop facilities.
		local
			type: EV_PND_TYPE
		do
			create Result.make_with_text (par, txt)

			-- You want pick and drop ?
			Result.activate_pick_and_drop (Void, Void)
			create type.make
			Result.set_data_type (type)
			Result.set_transported_data ("Bonjour")
		end

feature -- Execution features

	execute1 (arg: EV_ARGUMENT; data: EV_EVENT_DATA)
			-- Execution for an item
		local
			item: EV_TREE_ITEM
		do
			item := action_item
			if item.parent = tree_item2 then
				item.set_parent (tree_item3)
			elseif item.parent = tree_item3 then
				item.set_parent (Current)
			else
				item.set_parent (tree_item2)
			end
		end

	select_command (arg: EV_ARGUMENT; data: EV_EVENT_DATA)
			-- If a selection is about to be performed then
			-- inform the user in `event_window'.
		do
			event_window.display ("Select command in tree.")
		end
	unselect_command (arg: EV_ARGUMENT; data: EV_EVENT_DATA)
			-- If an unselect command is about to be performed then
			-- inform the user in `event_window'.
		do
			event_window.display ("Unselect command in tree.")
		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 TREE_WINDOW