SKS-API Dev

maxx, maxy = term.getSize()
function setTitle(title,reverse)
 if reverse then
  term.setBackgroundColour(colours.white)
  term.setTextColour(colours.black)
  term.clearLine()
  term.setCursorPos(1,1)
  print(title)
  term.setBackgroundColour(colours.black)
  term.setTextColour(colours.white)
 elseif not reverse then
  term.setBackgroundColour(colours.black)
  term.setTextColour(colours.white)
  term.clearLine()
  term.setCursorPos(1,1)
  print(title)
  term.setBackgroundColour(colours.white)
  term.setTextColour(colours.black)
 end
end

function reverseBW(bool)
 if bool then
  term.setTextColour(colours.white)
  term.setBackgroundColour(colours.black)
 elseif bool == false then
  term.setTextColour(colours.black)
  term.setBackgroundColour(colours.white)
 end
end

function createMenu(title,mainTab,modifiers) -- Title is the title and contents is a table containing names of options
 function sortTab(largeTab)
  local lts = #largeTab
  local pages = {}
  if lts > maxx-1 then
   table.insert(pages, largeTab)
   return pages, false
  else
   repeat
    local sTab = {}
    local n = 1
    local oldn = 0
    repeat
     table.insert(sTab, largeTab[n])
     n = n + 1
    until n == maxx-2+oldn or largeTab[n] == nil
    table.insert(pages,sTab)
    oldn = oldn + n
   until largeTab[n] == nil
   return pages, true
  end
 end
 function drawMenu()
  term.clear()
  local num = 1
  repeat
   term.setCursorPos(1,1)
   reverseBW(false)
   term.clearLine()
   print(title)
   reverseBW(true)
   term.setCursorPos(1,num+2)
   if num == selected then
    reverseBW(false)
    term.clearLine()
    print(contents[page][num])
    reverseBW(true)
   else
    print(contents[page][num])
   end
   num = num + 1
  until contents[page][num] == nil
 end
 contents = sortTab(mainTab)
 selected = 1
 page = 1
 drawMenu()
 repeat
  event, param1 = os.pullEvent()
  if keys.getName(param1) == "up" then
   selected = selected - 1
  elseif keys.getName(param1) == "down" then
   selected = selected + 1
  elseif keys.getName(param1) == "left" then
   page = page - 1
  elseif keys.getName(param1) == "right" then
   page = page + 1
  end
  if selected > #contents[page] then
   selected = 1
  elseif selected < 1 then
   selected = #contents[page]
  elseif page > #contents then
   page = 1
  elseif selected < 1 then
   page = #contents
  end
  local n2 = 1
  repeat
   if modifiers[n2] == keys.getName(param1) then press = true end
   n2 = n2 + 1
  until modifiers[n2] == nil
  drawMenu()
 until press == true
 return contents[selected], param1
end