test

portals = {}

dial = peripheral.wrap("right")
monitor = peripheral.wrap("left")
sign = peripheral.wrap("top")
conwrap = sign.getLine(4)
controller = peripheral.wrap("ep_controller_"..conwrap)
ident = controller.getUniqueIdentifier()
portalname = sign.getLine(1).." - "..sign.getLine(2)
portalActive = false
locationCount = 0
rednet.open("back")

function update()
  rednet.broadcast("p,"..conwrap..ident..","..portalname)
  id,message = rednet.receive(2)
  if not message == nil then
  arr = { message }
  if #arr == 3 then
     portals[#portals + 1] = { arr[2], arr[3] }
  end
  end
  portalActive = controller.isPortalActive()
  locationCount = #portals
end

function drawScreen()
i = 1
if controller.isPortalActive() == false then

--mon2.clear()
end
--   monitor.setBackgroundColor(colors.green)
--    monitor.clear()
 --   monW, monH = monitor.getSize()
  --  monitor.setCursorPos(monW / 2 - string.len("Terminate") / 2, monH / 2)
 --   monitor.write("Terminate")
--    mon2.setBackgroundColor(colors.red)
--  mon2.clear()
      monitor.setBackgroundColor(colors.black)
    monitor.clear()

         for index,values in pairs(portals) do
          name = values[1]
          monitor.setCursorPos(1, i)

        if (i % 2 == 0) then
          monitor.setBackgroundColor(colors.gray)
        else
          monitor.setBackgroundColor(colors.lightGray)
        end

           monW, monH = monitor.getSize()

        monitor.write(name)
        k = string.len(name)

        while (k < monW) do
          monitor.write(" ")
          k = k + 1
        end
 i = i + 1
      end


  end


function handleInput()
  event, side, posX, posY = os.pullEvent("monitor_touch")

  if portalActive then
    dial.terminate()
  else
if posY <= #portals then
--mon2.setCursorPos(1,1)
              -- if unexpected_condition then error() end
     local ok,error = pcall( dial.dial, portals[posY][2])
   if not ok then
  -- //mon2.write("Whoops - Try Again")
   else
--  // mon2.write(portals[posY][1])
   end

  end
end
end
while true do

   update()
  drawScreen()
  handleInput()
  os.sleep(1)

end