Severak file manager for LIKO-12

severak.lua

-- Severak file manager

local term = require "terminal"
local TW, TH = GPU.termSize()

local pwd = term.resolve "."
local items = fs.getDirectoryItems(pwd)
local selected = 1

table.insert(items, 1, "..")


for event, a, b, c, d, e, f in CPU.pullEvent do

GPU.clear()
print "Severak file manager"
for n=1, TH-2 do
	local prefix = " "
	if n==selected+1 then
		prefix = ">"
	end
	if items[n] then
		print(prefix .. items[n])
	else
		print("")
	end
end


if event=="keypressed" and a=="down" then
	selected = (selected + 1) % #items
end

if event=="keypressed" and a=="up" then
	selected = (selected - 1) % #items
end

if event=="keypressed" and a=="escape" then
	GPU.clear()
	print "Bye"
	return 0
end

if event=="keypressed" and a=="return" then
	if fs.isDirectory(pwd .. "/" .. items[selected+1]) then
		pwd = term.resolve(pwd .. "/" .. items[selected+1])
		items = fs.getDirectoryItems(pwd)
		selected = 1
		table.insert(items, 1, "..")
	else
		-- here be handling of files
	end
end

CPU.sleep(0.1)

end