List:onContext()

List:onContext(ListItem)event

Event fired when the user has right clicked on an item in the List.

Parameters

ListItem

The right clicked ListItem

Return value

This event returns no value.

Example


--! luart-extensions
import ui

-- creates a simple window
local win = ui.Window("List:onContext() event sample", 320, 260)
local list = ui.List(win, {"Item1", "Item2", "Item3"}, 120, 60)

-- List:onContext event
function list:onContext(item)
    -- show popup menu if onContext event occured on an item
    if item ~= nil then 
        local menu = ui.Menu("Delete ListItem")
        menu.items[1].onClick = function (self)
            item:remove()
        end
        win:popup(menu)
    end
end

win:show()

-- update window
while win.visible do
    ui.update()
end