os.loadAPI("ui")

pinScreen = class.class(ui.screen, function(self, monitor)
			ui.screen.init(self, monitor)
			self.buttons = {}
			self.buttons[0] = {"0", 2,15}
			self.buttons[1] = {"1", 2,11}
			self.buttons[2] = {"2", 9,11}
			self.buttons[3] = {"3",16,11}
			self.buttons[4] = {"4", 2, 7}
			self.buttons[5] = {"5", 9, 7}
			self.buttons[6] = {"6",16, 7}
			self.buttons[7] = {"7", 2, 3}
			self.buttons[8] = {"8", 9, 3}
			self.buttons[9] = {"9",16, 3}
			self.pin = ""
			self.pinDisplayText = "----"

			for i, v in pairs(self.buttons) do
				local button = ui.button(v[1], self:pinClickEvent, i)
				button:setPos(v[2], v[3]):setSize(5, 3)
				self:addControl(button)
			end
		end)

function pinScreen:pinClickEvent(button)
	print(button.tag)
end