monitor_test

-- https://pastebin.com/D8yWJ7rh
peripheral.wrap("top").setTextScale(3)
function newManager(side)
  manager = {
    buttons = {},
    labels = {},
    monitor = peripheral.wrap(side),
    newButton = function(self, label)
      print("creating button ''"..label.."''")
      self.labels[#self.labels + 1] = label
      self.buttons[label] = {
        label = label,
        text = "[ ] "..label,
        active = false,
        row = 0
      }
    end,
    draw = function(self)
      print("starting draw()")
      self.monitor.clear()
      print("cleared monitor")
      self.monitor.setCursorPos(1,2)
      print("set cursor position")
      local yPos = 2
      print("starting loop: "..#self.labels)
      print(self.buttons["Iron"].label)
      for i = 1, #self.labels do
        local button = self.buttons[self.labels[i]]
        print("working on button "..button.label)
        self.monitor.write(button.text)
        button.row =  yPos
        yPos = yPos + 1
        self.monitor.setCursorPos(1,yPos)
      end
    end,
    run = function(self)
      while true do
        local event, side, x, y = os.pullEvent( "monitor_touch" )
        print(event)
        print(side)
        for i = 1, #self.labels do
          local button = self.buttons[self.labels[i]]
          if button.row == y then
            print("found row!")
            button.active = not button.active
            break
          end
        end
        for i = 1, #self.labels do
          local button = self.buttons[self.labels[i]]
          if button.active then
            button.text =  "[X] "..button.label
          else
            button.text =  "[ ] "..button.label
          end
        end
        self:draw()
      end
    end
  }
  return manager
end


local mgr = newManager("top")
mgr:newButton("Iron")
mgr:newButton("Dye")
mgr:newButton("Coal")
mgr:draw()
mgr:run()