CC Tweaked CCSPS 20 - Tab Manager

local tArg = {...}
local w, h = term.getSize()
local Title
local Background = colors.white
local Pages = {}
local SelectedPage = 1

function LoadPage()
paintutils.drawFilledBox(1,2,w, h -1, colors.white)
term.setTextColor(colors.black)
term.setCursorPos(1,1)
term.setBackgroundColor(colors.lightGray)
term.write(Title)
term.setBackgroundColor(Background)
for i = 1, #Pages[SelectedPage] do
    if Pages[SelectedPage][i][2] == "text" then
        term.setCursorPos(1,i + 1)
        term.clearLine()
        term.write(Pages[SelectedPage][i][1])
    elseif Pages[SelectedPage][i][2] == "button" then
        term.setCursorPos(1,i + 1)
        term.clearLine()
        paintutils.drawBox(1,i + 1, string.len(Pages[SelectedPage][i][1]), i + 1, colors.lightBlue)
        term.setBackgroundColor(Background)
        term.write(Pages[SelectedPage][i][1])
    end
end
Interaction()
end

function Interaction()
local n = 0
while true do
     local a, b, c, d = os.pullEvent("mouse_click")
      if d > 1 and d < h then
          for i = 1, #Pages[SelectedPage] do
              if d == i and Pages[SelectedPage][i][2] == "button" then n = i end
          end
     else
         n = 100
     end
     if n > 0 then break end
end
if n == 100 then

else
    if string.find(Pages[SelectedPage][n][3],"page_") then
        SelectedPage = string.sub(Pages[SelectedPage][n][3], string.find(Pages[SelectedPage][n][3],"page_") + 1,string.len(Pages[SelectedPage][n][3]))
        LoadPage()
    else
        shell.run(Pages[SelectedPage][n][3])
        LoadPage()
    end
end
end

local i = 1
local File = fs.open(tArg[1],"r")
local content = "n"
repeat
    content = File.readLine()
    print(content)
    if string.find(content,"<") then
        if string.find(content,"<newPage>") then Pages[#Pages + 1] = {} i = 1 end
        if string.find(content,"<title:") then Title = string.sub(content,8,(string.len(content) - 1)) end
        if string.find(content,"<text:") then Pages[#Pages][i] = {string.sub(content,7,(string.len(content) - 1)),"text"} i = i + 1 end
        if string.find(content,"<button:") then Pages[#Pages][i] = {string.sub(content,9,string.len("<button:")),"button",string.sub(content,string.len(content) - string.sub(content,9,string.len("<button:")), -1)} i = i + 1 end
    end
until content == "<end>"
File.close()
LoadPage()