Pricelist 3.0

comp = require("component")
event = require("event")
term = require("term")
gpu = comp.gpu
BA = require("ButtonAPI")
colors = require("colors")
os = require("os")
io = require("io")
uni = require("unicode")

function fileToArray(filepath)
  array = {}
  local file = io.open(filepath,"r")
  if file~=nil then
    repeat
      line = file:read("*line")
      if line ~= nil then
        a = string.find(line,";")
        if a then
          print(string.sub(line,1,a-1)..":"..string.sub(line,a+1,-1))
          table.insert(array,string.sub(line,1,a-1))
          table.insert(array,string.sub(line,a+1,-1))
          --os.sleep(0.01)
        end
      end
    until line == nil
    file:close()
    return array
  else
    return {}
  end
end

pricelistCommon = fileToArray("/home/pricelistCommon.txt")
pricelistUncommon = fileToArray("/home/pricelistUncommon.txt")
pricelistRare = fileToArray("/home/pricelistRare.txt")
pricelistEpic = fileToArray("/home/pricelistEpic.txt")
pricelistLegendary = fileToArray("/home/pricelistLegendary.txt")

information = {
"--------------------------------------","",
"             INFORMATION","",
"--------------------------------------","",
"This is the server's pricelist.","",
"This list lists the lowest price you,","",
"as a player, can sell at.","",
"Of course you can sell above these","",
"prices.","",
"","",
"Use the buttons on the side","",
"and bottom to navigate.","",
"","",
"If you have any questions regarding","",
"this pricelist and its rules, ask","",
"the other players.","",
"If there are still questions, be sure","",
"to hit up one of the BOE members.","",
"If there are mistakes or missing","",
"items, be sure to do the same thing.",""
}

list = {}
page = 0

gpu.setResolution(60,25)
gpu.setBackground(0x000000)
gpu.setForeground(0xffffff)
term.clear()
width,height = gpu.getResolution()
BA.clear() -- clears the buttons stored

--xOffset, yOffset, width, height, Background Color, Text Color, textXOffset, textYOffset, text
BA.makeButton(width-21,height-3,19,3,0x808080,0xffffff,-1,-1,"Common") --1
BA.makeButton(width-21,height-7,19,3,0x36c95e,0xffffff,-1,-1,"Uncommon") --2
BA.makeButton(width-21,height-11,19,3,0x4283d8,0xffffff,-1,-1,"Rare") --3
BA.makeButton(width-21,height-15,19,3,0x9c52c8,0xffffff,-1,-1,"Epic") --4
BA.makeButton(width-21,height-19,19,3,0xdd871c,0xffffff,-1,-1,"Legendary") --5
BA.makeButton(width-21,height-23,19,3,0xffffff,0x000000,-1,-1,"Information") --6
BA.makeButton(8,height-3,6,3,0xffffff,0x000000,-1,-1,"next") --7
BA.makeButton(1,height-3,6,3,0xffffff,0x000000,-1,-1,"prev") --8
--xOff,yOff,w,h,Bcolor if -1 then transparent,Tcolor if -1 then transparent,sXOff if -1 then center,sYOff if -1 then center,str

function checkButtons()
  l = BA.updateAll(event.pull("touch"))
  for k,v in pairs(l) do
    buttonNumber = v
  end
  l = {}
  return buttonNumber
end

function selectList()
  buttonNumber = checkButtons()
  if buttonNumber == 1 then
    list = pricelistCommon
    page = 0
  elseif buttonNumber == 2 then
    list = pricelistUncommon
    page = 0
  elseif buttonNumber == 3 then
    list = pricelistRare
    page = 0
  elseif buttonNumber == 4 then
    list = pricelistEpic
    page = 0
  elseif buttonNumber == 5 then
    list = pricelistLegendary
    page = 0
  elseif buttonNumber == 6 then
    page = 0
    list = information
  elseif buttonNumber == 7 then
    page = page + 1
    gpu.set(1,1,tostring(page))
    if page > math.floor(#list/38) then page = 0 end
  elseif buttonNumber == 8 then
    page = page - 1
    if page < 0 then page = math.floor(#list/38) end
  else
    print("you broke it")
    buttonNumber = 1
  end
end

repeat
  BA.drawAll() --Draws all buttons
  selectList()
  term.clear()
  print("")
  for i=1+38*page,38+38*page,2 do
    if i>#list then
      print("")
    else
      gpu.set(1,(i+1)/2-19*page+1,list[i])
      gpu.set(width-24-uni.len(list[i+1]),(i+1)/2-19*page+1,list[i+1])
      --print(tostring(list[i]).." "..tostring(list[i+1]))
    end
  end
until false --forever (until true==false)