View difference between Paste ID: bZ5YGHyy and HxtJDny9

-os.loadAPI("GraphicsAPI")
+os.unloadAPI("button")
 sleep(0.5)
 os.loadAPI("button")
-term.redirect(mon)
+
 rednet.open("back")
-GraphicsAPI.resetSurface()
+
-GraphicsAPI.resetScreen()
+items = {}
 
-screenWidth, screenHeight = term.getSize()
+menu = "index"
-print("X:" ..x .." Y:" .. y)
+
-tileX = math.floor(screenWidth / 8)
+label = ""
-tileY = math.floor(screenHeight / 5)
+inputName = ""
 intputId = ""
-print("tileX:" ..tileX .." tileY:" ..tileY)
+intputMeta = ""
 
-topMenu = {
+indexLetter = ""
-  {name = "back", text = "", x = 1, y = 1, width = tileX, height = tileY, color = colors.red},
+currentPage = 1 --Page number in letter index
-  {name = "title", text = "", x = tileX + 1, y = 1, width = tileX * 6, height = tileY, color = colors.blue},
+hasNextPage = false
-  {name = "next", text = "", x = tileX * 7 + 1, y = 1, width = tileX, height = tileY, color = colors.red},
+
-  {name = "a", text = "A", x = 1, y = tileY + 1, width = tileX, height = tileY, color = colors.green},
+currentItem = ""
-  {name = "b", text = "B", x = tileX * 2 + 1, y = tileY + 1, width = tileX, height = tileY, color = colors.cyan},
+withdrawAmount = ""
-  {name = "c", text = "C", x = tileX * 3 + 1, y = tileY + 1, width = tileX, height = tileY, color = colors.green},
+craftAmount = ""
-  {name = "d", text = "D", x = tileX * 4 + 1, y = tileY + 1, width = tileX, height = tileY, color = colors.cyan},
+
- -- {name = "e", text = "E", x = tileX * 5 + 1, y = tileY + 1, width = tileX, height = tileY, color = colors.green},
+function save(table, name)
---  {name = "f", text = "F", x = tileX * 6 + 1, y = tileY + 1, width = tileX, height = tileY, color = colors.cyan},
+  local file = fs.open(name, "w")
- -- {name = "g", text = "G", x = tileX * 7 + 1, y = tileY + 1, width = tileX, height = tileY, color = colors.green},
+  file.write(textutils.serialize(table))
- -- {name = "h", text = "H", x = tileX * 8 + 1, y = tileY + 1, width = tileX, height = tileY, color = colors.cyan}
+  file.close()
-}
+
 
-for i=1, #topMenu do
+function load(name)
-  GraphicsAPI.drawRect({topMenu[i]["x"], topMenu[i]["y"]}, {topMenu[i]["x"] + topMenu[i]["width"], topMenu[i]["y"] + topMenu[i]["height"]}, topMenu[i]["color"], topMenu[i]["color"])
+  local file = fs.open(name, "r")
   if file ~= nil then
     local data = file.readAll()
---GraphicsAPI.drawRect({1, 1}, {9, 6}, colors.red, colors.red)
+    file.close()
---GraphicsAPI.drawRect({10, 1}, {73, 6}, colors.blue, colors.blue)
+    return textutils.unserialize(data)
---GraphicsAPI.drawRect({74, 1}, {82, 6}, colors.red, colors.red)
+  else
-term.restore();
+    return nil
-GraphicsAPI.update()
+  end
 end
 
 function split(pString, pPattern) --("A_Small_Dog", "_")
   local Table = {}
   local fpat = "(.-)" .. pPattern
   local last_end = 1
   local s, e, cap = pString:find(fpat, 1)
   while s do
     if s ~= 1 or cap ~= "" then
       table.insert(Table, cap)
     end
     last_end = e + 1
     s, e, cap = pString:find(fpat, last_end)
   end
   if last_end <= #pString then
     cap = pString:sub(last_end)
     table.insert(Table, cap)
   end
   return Table
 end
 
 function getReply(uuid)
   id, message = rednet.receive()
   m = split(message, " ")
   if m[1] == "inv" then
     if m[2] == "replyAmount" then
       if tonumber(m[3]) == tonumber(uuid) then
         return m[4]
       end
     end
   end
   return nil
 end
 
 function selectIndex(selected)
   print("Selected " ..selected .." in " ..menu)
   button.flash(selected)
 
   if selected == "Menu" then
     menu = "index"
     currentPage = 0
     drawMenu()
 
   elseif menu == "index" then
     if selected == "Add Item" then
       inputName = ""
       menu = "addItemName"
       drawKeyboard("Enter Item Name: ")
       selected = ""
     elseif string.len(selected) == 1 and menu == "index" then
       currentPage = 1
       hasNextPage = false
       menu = "itemList"
       indexLetter = selected
       drawList(selected)
     end
 
   elseif menu == "itemList" then
     if selected == "Prev" then
       if currentPage > 1 then
         currentPage = currentPage - 1
         drawList(indexLetter)
       else
         c = string.byte(indexLetter) - 1
         if c >= 65 then
           currentPage = 1
           hasNextPage = false
           menu = "itemList"
           indexLetter = string.char(c)
           drawList(string.char(c))
         else
           currentPage = 1
           hasNextPage = false
           hasNextPage = false
           menu = "itemList"
           indexLetter = "Z"
           drawList("Z")
         end
       end
     elseif selected == "Next" then
       if hasNextPage then
         print("Has next")
         currentPage = currentPage + 1
         drawList(indexLetter)
       else
         print("No Next next")
         c = string.byte(indexLetter) + 1
         if c <= 90 then
           currentPage = 1
           hasNextPage = false
           menu = "itemList"
           indexLetter = string.char(c)
           drawList(string.char(c))
         else
           currentPage = 1
           hasNextPage = false
           menu = "itemList"
           indexLetter = "A"
           drawList("A")
         end
       end
     else
       print("Clicked item")
       menu = "item"
       currentItem = selected
       drawItem(selected)
     end
 
   elseif menu == "item" then
     if selected == "Withdraw" then
       withdrawAmount = ""
       menu = "withdraw"
       drawNumpad("Enter Amount: ")
       selected = ""
     end
 
   elseif menu == "addItemName" then
     print("In Add Item Name")
     if selected ~= "Backspace"  and selected ~= "Menu" and string.len(selected) == 1 then
       mon.setCursorPos(2, 8)
       mon.clearLine()
       inputName = inputName ..string.lower(selected)
       mon.write(label ..inputName)
       selected = ""
     elseif selected == "Backspace" then
       mon.setCursorPos(2, 8)
       mon.clearLine()
       inputName = string.sub(inputName, 1, string.len(inputName) - 1)
       mon.write(label ..inputName)
       selected = ""
     elseif selected == "OK" and menu == "addItemName" then
       inputId = ""
       drawNumpad("Enter Item ID:")
       menu = "addItemId"
     end
 
   elseif menu == "withdraw" then
     if selected ~= "Backspace" and selected ~= "Menu" and string.len(selected) == 1 then
       mon.setCursorPos(2, 8)
       mon.clearLine()
       if withdrawAmount == nil then
         withdrawAmount = string.lower(selected)
       else
         withdrawAmount = withdrawAmount ..string.lower(selected)
       end
       mon.write(label ..withdrawAmount)
       selected = ""
     elseif selected == "Backspace" then
       mon.setCursorPos(2, 8)
       mon.clearLine()
       withdrawAmount = string.sub(withdrawAmount, 1, string.len(withdrawAmount) - 1)
       mon.write(label ..withdrawAmount)
       selected = ""
     elseif selected == "OK" and menu == "withdraw" then
       uuid = tostring(items[currentItem]["id"] + items[currentItem]["meta"] * 32768)
       amount = nil
 
       rednet.broadcast("inv getAmount " ..uuid)
       while amount == nil do
         amount = getReply(uuid)
       end
 
       if tonumber(amount) > tonumber(withdrawAmount) + 1 then
         rednet.broadcast("inv withdraw " ..uuid .." " ..withdrawAmount)
         drawItem(currentItem)
         menu = "item"
       else
         button.clearTable()
         button.setTable("Menu", selectIndex, 2, 80, 2, 4)
         button.label(2, 8, "Not enough items to withdraw!")
         button.label(2, 9, tostring(amount - 1) .." " ..currentItem .."(s) left in storage.")
         button.screen()
       end
       selected = ""
     end
 
   elseif menu == "addItemId" then
     print("In Add Item Name")
     if selected ~= "Backspace" and selected ~= "Menu" and string.len(selected) == 1 then
       print("In Charachet")
       mon.setCursorPos(2, 8)
       mon.clearLine()
       if inputId == nil then
         inputId = string.lower(selected)
       else
         inputId = inputId ..string.lower(selected)
       end
       mon.write(label ..inputId)
       selected = ""
     elseif selected == "Backspace" then
       mon.setCursorPos(2, 8)
       mon.clearLine()
       inputId = string.sub(inputId, 1, string.len(inputId) - 1)
       mon.write(label ..inputId)
       selected = ""
     elseif selected == "OK" and menu == "addItemId" then
       inputMeta = ""
       drawNumpad("Enter Item Meta:")
       menu = "addItemMeta"
       selected = ""
     end
 
   elseif menu == "addItemMeta" then
     print("In Add Item Meta")
     if selected ~= "Backspace" and selected ~= "Menu" and string.len(selected) == 1 then
       mon.setCursorPos(2, 8)
       mon.clearLine()
       if inputMeta == nil then
         inputMeta = string.lower(selected)
       else
         inputMeta = inputMeta ..string.lower(selected)
       end
       mon.write(label ..inputMeta)
       selected = ""
     elseif selected == "Backspace" then
       mon.setCursorPos(2, 8)
       mon.clearLine()
       inputMeta = string.sub(inputMeta, 1, string.len(inputMeta) - 1)
       mon.write(label ..inputMeta)
       selected = ""
     elseif selected == "OK" and menu == "addItemMeta" then
       createItem()
     end
   end
 end
 
 function pairsByKeys (t, f)
   local a = {}
   for n in pairs(t) do table.insert(a, n) end
     table.sort(a, f)
     local i = 0      -- iterator variable
     local iter = function ()   -- iterator function
     i = i + 1
     if a[i] == nil then return nil
       else return a[i], t[a[i]]
     end
   end
   return iter
 end
 
 function sortList(list)
   sortedList = {}
   for key, value in pairsByKeys(list) do
     sortedList[key] = value
   end
 
   return sortedList
 end
 
 function drawItem(name)
   button.clearTable()
 
   button.setTable("Prev", selectIndex, 2, 10, 2, 4)
   button.setTable("Menu", selectIndex, 12, 70, 2, 4)
   button.setTable("Next", selectIndex, 72, 80, 2, 4)
 
   button.setTable("Craft", selectIndex, 2, 40, 26, 32)
   button.setTable("Withdraw", selectIndex, 42, 80, 26, 32)
 
   id = items[name]["id"]
   meta = items[name]["meta"]
   uuid = id + meta * 32768
   amount = nil
 
   rednet.broadcast("inv getAmount " ..uuid)
   while amount == nil do
     amount = getReply(uuid)
   end
 
   button.label(2, 6, "Item: " ..name)
   button.label(2, 10, "ID: " ..tostring(id))
   button.label(2, 14, "Meta: " ..tostring(meta))
   button.label(2, 18, "UUID: " ..tostring(uuid))
   button.label(2, 22, "Amount: " ..amount)
 
   button.screen()
 end
 
 function addItem(name, id, meta)
   if name == nil then
     print("ITEM NAME IS NULL")
   end
 
   print("NAME: " ..name)
 
   items[name] = {}
   items[name]["id"] = tonumber(id)
   items[name]["meta"] = tonumber(meta)
 
   itemName = ""
   itemId = ""
   itemMeta = ""
 
   items = sortList(items)
 
   save(items, "dictionary")
 end
 
 function createItem()
   button.clearTable()
 
   addItem(inputName, inputId, inputMeta)
 
   button.setTable("Menu", selectIndex, 2, 80, 2, 4)
 
   button.label(2, 8, "Added " ..inputName .." to item dictionary!")
 
   for k, v in pairs(items) do
     print(k)
   end
 
   menu = "addedItem"
 
   button.screen()
 end
 
 function drawList(letter)
   print("Drawing Item List!")
   button.clearTable()
 
   button.setTable("Prev", selectIndex, 2, 10, 2, 4)
   button.setTable("Menu", selectIndex, 12, 70, 2, 4)
   button.setTable("Next", selectIndex, 72, 80, 2, 4)
 
 
   lastLetter = ""
   totalItemCount = 0
   itemsInColumn = 0
   column = 1
   pageItemIsOn = 1
   hasNextPage = false
 
 
 
   for k, v in pairsByKeys(items) do
     --print("Subbed: " .. string.sub(k, 1, 1))
     if lastLetter == string.lower(letter) and string.sub(k, 1, 1) ~= string.lower(letter) then
       print("Breaking")
       break
     elseif string.sub(k, 1, 1) == string.lower(letter) then
       pageItemIsOn = math.ceil(totalItemCount / 14)
       --print("pageItemIsOn: " ..pageItemIsOn .. " Current Page: " ..currentPage)
       if pageItemIsOn < 1 then
         pageItemIsOn = 1
       end
 
       --print("Page " ..currentPage)
       if pageItemIsOn == currentPage then
         if itemsInColumn == 7 then
           itemsInColumn = 0;
           if column == 1 then
             column = 2
           else
             column = 1
           end
         end
 
         if column == 1 then
          -- print("Adding to column 1")
           button.setTable(k, selectIndex, 2, 40, 6 + itemsInColumn * 4, 6 + itemsInColumn * 4 + 2)
         else
           --print("Adding to column 2")
           button.setTable(k, selectIndex, 42, 80, 6 + itemsInColumn * 4, 6 + itemsInColumn * 4 + 2)
         end
         itemsInColumn = itemsInColumn + 1
       elseif pageItemIsOn > currentPage then
         hasNextPage = true
       end
 
       totalItemCount = totalItemCount + 1
       lastLetter = string.lower(letter)
     end
   end
 
   print("Next? ", hasNextPage)
   button.screen()
 end
 
 function drawMenu()
   button.clearTable()
 
   button.setTable("Menu", selectIndex, 2, 80, 2, 4)
 
   button.setTable("A", selectIndex, 2, 10, 6, 11)
   button.setTable("B", selectIndex, 12, 20, 6, 11)
   button.setTable("C", selectIndex, 22, 30, 6, 11)
   button.setTable("D", selectIndex, 32, 40, 6, 11)
   button.setTable("E", selectIndex, 42, 50, 6, 11)
   button.setTable("F", selectIndex, 52, 60, 6, 11)
   button.setTable("G", selectIndex, 62, 70, 6, 11)
   button.setTable("H", selectIndex, 72, 80, 6, 11)
 
   button.setTable("I", selectIndex, 2, 10, 13, 18)
   button.setTable("J", selectIndex, 12, 20, 13, 18)
   button.setTable("K", selectIndex, 22, 30, 13, 18)
   button.setTable("L", selectIndex, 32, 40, 13, 18)
   button.setTable("M", selectIndex, 42, 50, 13, 18)
   button.setTable("N", selectIndex, 52, 60, 13, 18)
   button.setTable("O", selectIndex, 62, 70, 13, 18)
   button.setTable("P", selectIndex, 72, 80, 13, 18)
 
   button.setTable("Q", selectIndex, 2, 10, 20, 25)
   button.setTable("R", selectIndex, 12, 20, 20, 25)
   button.setTable("S", selectIndex, 22, 30, 20, 25)
   button.setTable("T", selectIndex, 32, 40, 20, 25)
   button.setTable("U", selectIndex, 42, 50, 20, 25)
   button.setTable("V", selectIndex, 52, 60, 20, 25)
   button.setTable("W", selectIndex, 62, 70, 20, 25)
   button.setTable("X", selectIndex, 72, 80, 20, 25)
 
   button.setTable("Y", selectIndex, 2, 10, 27, 32)
   button.setTable("Z", selectIndex, 12, 20, 27, 32)
   button.setTable("Add Item", selectIndex, 22, 80, 27, 32)
 
   button.screen()
 end
 
 function drawKeyboard(tempLabel)
   button.clearTable()
 
   label = tempLabel
 
   button.setTable("Menu", selectIndex, 2, 80, 2, 4)
 
   button.setTable("A", selectIndex, 2, 10, 12, 17)
   button.setTable("B", selectIndex, 12, 20, 12, 17)
   button.setTable("C", selectIndex, 22, 30, 12, 17)
   button.setTable("D", selectIndex, 32, 40, 12, 17)
   button.setTable("E", selectIndex, 42, 50, 12, 17)
   button.setTable("F", selectIndex, 52, 60, 12, 17)
   button.setTable("G", selectIndex, 62, 70, 12, 17)
   button.setTable("H", selectIndex, 72, 80, 12, 17)
 
   button.setTable("I", selectIndex, 2, 10, 19, 24)
   button.setTable("J", selectIndex, 12, 20, 19, 24)
   button.setTable("K", selectIndex, 22, 30, 19, 24)
   button.setTable("L", selectIndex, 32, 40, 19, 24)
   button.setTable("M", selectIndex, 42, 50, 19, 24)
   button.setTable("N", selectIndex, 52, 60, 19, 24)
   button.setTable("O", selectIndex, 62, 70, 19, 24)
   button.setTable("P", selectIndex, 72, 80, 19, 24)
 
   button.setTable("Q", selectIndex, 2, 10, 26, 28)
   button.setTable("R", selectIndex, 12, 20, 26, 28)
   button.setTable("S", selectIndex, 22, 30, 26, 28)
   button.setTable("T", selectIndex, 32, 40, 26, 28)
   button.setTable("U", selectIndex, 42, 50, 26, 28)
 
   button.setTable("V", selectIndex, 2, 10, 30, 32)
   button.setTable("W", selectIndex, 12, 20, 30, 32)
   button.setTable("X", selectIndex, 22, 30, 30, 32)
   button.setTable("Y", selectIndex, 32, 40, 30, 32)
   button.setTable("Z", selectIndex, 42, 50, 30, 32)
 
   button.setTable(" ", selectIndex, 52, 60, 26, 32)
   button.setTable("Backspace", selectIndex, 62, 70, 26, 32)
   button.setTable("OK", selectIndex, 72, 80, 26, 32)
 
   mon.setCursorPos(2, 8)
   mon.write(label)
 
   button.screen()
 end
 
 function drawNumpad(tempLabel)
   button.clearTable()
 
   label = tempLabel
 
   button.setTable("Menu", selectIndex, 2, 80, 2, 4)
 
   button.setTable("0", selectIndex, 2, 10, 13, 32)
 
   button.setTable("1", selectIndex, 12, 20, 13, 18)
   button.setTable("2", selectIndex, 22, 30, 13, 18)
   button.setTable("3", selectIndex, 32, 40, 13, 18)
 
   button.setTable("4", selectIndex, 12, 20, 20, 25)
   button.setTable("5", selectIndex, 22, 30, 20, 25)
   button.setTable("6", selectIndex, 32, 40, 20, 25)
 
   button.setTable("7", selectIndex, 12, 20, 27, 32)
   button.setTable("8", selectIndex, 22, 30, 27, 32)
   button.setTable("9", selectIndex, 32, 40, 27, 32)
 
   button.setTable("Backspace", selectIndex, 42, 60, 13, 32)
   button.setTable("OK", selectIndex, 62, 80, 13, 32)
 
   mon.setCursorPos(2, 8)
   mon.write(label)
 
   button.screen()
 end
 
 function getClick()
   event, side, x, y = os.pullEvent("monitor_touch")
   button.checkxy(x, y)
 end
 
 items = load("dictionary")
 
 if items == nil then
   items = {}
 end
 
 drawMenu()
 
 while true do
   getClick()
 end