Easy Menu

-- easyMenu by pingoleon60
-- split function by Egor Skriptunoff

function split(str, max_line_length)
 local lines = { }
 local line
 str:gsub('(%s*)(%S+)',
  function(spc, word)
   if not line or string.len(line) + string.len(spc) + string.len(word) > max_line_length then
    table.insert(lines, line)
    line = word
   else
    line = line..spc..word
   end
  end
 )
 table.insert(lines, line)
 return lines
end

renderBox = function(x, y, x2, name, text)
 term.setCursorPos(x, y)
 write("+-"..name)
 for i = 1, x2 - x - 2 - string.len(name) do
  write("-")
 end
 write("+")
 term.setCursorPos(x, y+1)
 term.write("|")
 term.setCursorPos(x2-1, y+1)
 term.write("|")
 local nowY = y + 2
   for _, line in ipairs(split(text, x2 - x - 4)) do
  term.setCursorPos(x, nowY)
  write("| ")
  write(line)
  term.setCursorPos(x2-1, nowY)
  write("|")
  nowY = nowY + 1
 end
 term.setCursorPos(x, nowY)
 term.write("|")
 term.setCursorPos(x2-1, nowY)
 term.write("|")
 nowY = nowY + 1
 term.setCursorPos(x, nowY)
 term.write("+")
 for i = 1, x2 - x - 1 do
  term.write("-")
 end
 term.write("+")
end

--Objects
_easyMenuObjectDontTouch = { }
_easyMenuObjectDontTouch.x = 1
_easyMenuObjectDontTouch.y = 1
_easyMenuObjectDontTouch.weight = 20
_easyMenuObjectDontTouch.name = "easyMenu"
_easyMenuObjectDontTouch.message = "Customize the message with easyMenu.setMessage !"
_easyMenuObjectDontTouch.render = false

function setMessage(message)
 _easyMenuObjectDontTouch.message = message
 renderBoxObject()
end

function setCoords(x, y)
 _easyMenuObjectDontTouch.x = x
 _easyMenuObjectDontTouch.y = y
 renderBoxObject()
end

function setWeight(weight)
 _easyMenuObjectDontTouch.weight = weight
 renderBoxObject()
end

function setName(name)
 _easyMenuObjectDontTouch.name = name
 renderBoxObject()
end

function setRender(boolean)
 if type(boolean) == "boolean" then
  _easyMenuObjectDontTouch.render = boolean
  renderBoxObject()
 end
end

function renderBoxObject()
 if _easyMenuObjectDontTouch.render then
  renderBox(_easyMenuObjectDontTouch.x, _easyMenuObjectDontTouch.y, _easyMenuObjectDontTouch.x + _easyMenuObjectDontTouch.weight, _easyMenuObjectDontTouch.name, _easyMenuObjectDontTouch.message)
 end
end