enhPortalDial

local mon = peripheral.wrap("top")
local ctrl = peripheral.wrap("Portal Controller_0")
local dial = peripheral.wrap("right")

local countTargets = dial.getStoredCount()

function padStr(str, len)
  if #str > len then do return string.sub(str,1,len) end
  else do return str .. string.rep(' ', len - #str) end
  end
end

function drawUI()
  local monX, monY = mon.getSize()
  mon.setBackgroundColor(colors.blue)
  mon.clear()
  mon.setCursorPos(1,1)
  mon.write("Please choose your")
  mon.setCursorPos(1,2)
  mon.write("destination")
  countTargets = dial.getStoredCount()
  if (countTargets > 0) then
    for i = 1, countTargets do
      mon.setCursorPos(1, i + 3)
      if (i % 2 == 0) then
        mon.setBackgroundColor(colors.lightBlue)
      else
        mon.setBackgroundColor(colors.blue)
      end
      name = padStr(dial.getStoredName(i - 1),monX)
      mon.write(name)
    end
  else
    mon.setCursorPos(1, 4)
    mon.write("No Entries")
  end
end

function waitForInput()
  event, _, posX, posY = os.pullEvent("monitor_touch")
  if ctrl.isPortalActive() then dial.terminate() end
  if countTargets > 0 and (posY-3 > 0) and (posY-3 <= countTargets) then
    dial.dialStored(posY - 4)
  end
end

while true do
  drawUI()
  waitForInput()
end