List:remove()

List:remove(item)method

Remove an item from the List.

Parameters

item

A number, representing the item index or the ListItem to be removed.

Return value

This function returns no value.

Example


--! luart-extensions
import ui

-- create a simple Window 
local win = ui.Window("List:remove() sample", "fixed", 360, 160)
local label = ui.Label(win, "Select item  :", 80, 30)
local list = ui.List(win, {"LuaRT", "is", "fun !"}, label.x+label.width+6, label.y-4)
local removebtn = ui.Button(win, "Remove item", list.x+list.width+6, label.y-4)

removebtn.enabled = false

function removebtn:onClick()
	-- removes current selected item
	list:remove(list.selected)
	-- select an other item if available
	if list.count > 0 then
		list.selected = list.items[1]
	end
end

win:show()

-- update user interface
repeat
	ui.update()
	removebtn.enabled = list.selected ~= nil
until not win.visible