-- usage:

--	taco

--	taco filename

local tArgs = {...}

local betaKey = ""

local currentFile = ""

local isSaved = true

local isChanged = false

local fileLinesArr = {""}

local curLine,curCol,lastCol=1,0,0

local menus = {}

local inMenu=false

local selectedMenu = 1

local selectedSubMenu = 1

local running = true

local config = {isFullScreen = false, clipboard=""}

local showFirstTimeMessage = false

local showAboutBox=false

local collectedInputs = {file="My Input Data"}

local collectedInputsCursor = {file=1}

local collectedInputsOffsets = {file=0}

local collectedInputsSize = {file=0}

local w,h = term.getSize()

local scrollOffsetX,scrollOffsetY = 0,0

local isBlinking = false

local state = "edit"

local message = {}

local showingMessage=false

local showingFileDialog = false

local selectedMessageOption=1

local lastBlinkTime = 0

sleep(0.1)

local timer = os.startTimer(0)

local function setColors(monitor, bg, fg, bg2, fg2)

	 if monitor then

		if monitor.isColor() then

			monitor.setBackgroundColor(bg)

			monitor.setTextColor(fg)

		else

			monitor.setBackgroundColor(bg2)

			monitor.setTextColor(fg2)

		end

	end

end

local function checkLinePosition()

		local maxLines = #fileLinesArr

		if curLine < 1 then

				curLine = 1

		elseif curLine > #fileLinesArr then

				curLine = maxLines

		end

		local yOffset = 2

		if config.isFullScreen then

			yOffset = 0

		end

		if scrollOffsetY > h-yOffset-curLine then

				scrollOffsetY=h-yOffset-curLine

		elseif scrollOffsetY < 1-curLine then

				scrollOffsetY=1-curLine

		end

end

local function checkColPosition()

		if curCol < 0 then

			curCol = 0

		elseif curCol > string.len(fileLinesArr[curLine]) then

			curCol = string.len(fileLinesArr[curLine])

		end

		local total = h-3 --todo: possible bug

		if #fileLinesArr < total then

				total = #fileLinesArr

		end

		local padWidth = string.len(tostring(total))

		local workingWidth = w - padWidth - 1

		if scrollOffsetX >= workingWidth - curCol-1 then

				scrollOffsetX=workingWidth-curCol-1

		elseif scrollOffsetX < 0-curCol then

				scrollOffsetX=0-curCol

		end

end

local function checkMenuPositions()

	if selectedMenu < 1 then

		selectedMenu = #menus

		elseif selectedMenu > #menus then

			selectedMenu = 1

	end

	if selectedSubMenu < 1 then

		selectedSubMenu = #menus[selectedMenu].items

	elseif selectedSubMenu > #menus[selectedMenu].items then

		selectedSubMenu = 1

	end

end

local function checkMessageOptionPositions()

	if selectedMessageOption < 1 then

		selectedMessageOption = #message.footer

	elseif selectedMessageOption > #message.footer then

		selectedMessageOption = 1

	end

end

local function loadFile(file)

		if fs.exists(file) and not fs.isDir(file) then

				local tmpArr = {}

				local h = fs.open(file, "r")

				while true do

						local data = h.readLine()

						if data == nil then break end

						table.insert(tmpArr, data)

				end

				h.close()

				return tmpArr

		end

		return null

end

local function openFile(file)

	local data = loadFile(file)

	if data then

		fileLinesArr = {""}

		currentFile = file

		isSaved = false

		isChanged = false

		scrollOffsetX,scrollOffsetY=0,0

		if data then

			fileLinesArr = data

			isSaved = true

		end

		curLine,curCol,lastCol=1,0,0

		checkLinePosition()

		checkColPosition()

		return true

	end

	return false

end

local function saveFile(file, dataArr)

		local tmpArr = {}

		local h = fs.open(file, "w")

		if h then

			for i=1, #dataArr do

					h.writeLine(dataArr[i])

			end

			h.close()

			isSaved = true

			isChanged = false

			return true

		end

		return false

end

local function loadSettings()

		if fs.exists("taco.db") then

				local cfg

				local h = fs.open("taco.db", "r")

				while true do

						data = h.readLine()

						if data == nil then break end

						if data == "--[[CONFIG:" then

								local tmpCfg = h.readAll()

								cfg=textutils.unserialize(string.sub(tmpCfg,1,string.len(tmpCfg)-2))

						end

				end

				h.close()

				if cfg then

						if cfg.isFullScreen then

								config.isFullScreen = cfg.isFullScreen

						end

						if cfg.clipboard then

								config.clipboard = cfg.clipboard

						end

				end

		else

				showFirstTimeMessage = true

		end

end

local function saveSettings()

		settingsStr=textutils.serialize(config)

		local h = fs.open("taco.db", "w")

		h.writeLine('print("This is a settings file for TACO :)")')

		h.writeLine('--[[CONFIG:')

		h.writeLine(settingsStr)

		h.writeLine(']]')

		h.close()

end

local function newFile()

		currentFile = ""

		fileLinesArr={""}

		curLine,curCol,lastCol=1,0,0

		checkLinePosition()

		checkColPosition()

		isSaved = true

		isChanged = false

end

table.insert(menus, {

												name="File",

												hotkey=keys.f,

												items={

																{"New", "N", "new_file", true},

																{"Open..", "O", "open_file", true},

																{"Save", "S", "save_file", false},

																{"Save As..", "A", "saveas_file", false},

																{"--"},

																{"Revert", "R", "revert_file", false},

																--{"Print..", "P", "print_file", false},

																--{"Run Script", "E", "run_file", false},

																{"--"},

																{"Exit", "X", "exit_app", true}

														}

										})

table.insert(menus, {

												name="Edit",

												hotkey=keys.e,

												items={

																--{"Cut", "X", "cut_selection", false},

																--{"Copy", "C", "copy_selection", false},

																--{"Paste", "V", "paste_selection", false},

																--{"--"},

																--{"Delete", "D", "clear_selection", false},

																--{"--"},

																{"Cut Line", "K", "cut_line", false},

																{"Copy Line", "J", "copy_line", false},

																{"Paste Line", "U", "paste_line", false},

																{"--"},

																{"Delete Line", "R", "delete_line", false},

																{"--"},

																{"Clone Line", "R", "clone_line", false},

														}

										})

										--[[

table.insert(menus, {

												name="Search",

												hotkey=keys.s,

												items={

																{"Find..", "F", "find_text", false},

																{"Replace..", "R", "replace_text", false}

														}

										})]]

table.insert(menus, {

												name="Options",

												hotkey=keys.o,

												items={

																{"Full Screen Mode", "F", "fullscreen_toggle", false},

																--{"Settings..", "S", "show_settings", false}

														}

										})

table.insert(menus, {

												name="Help",

												hotkey=keys.h,

												items={

																--{"Help", "H", "show_help", true},

																{"Grab Updates", "U", "perform_update", true},

																{"--"},

																{"About TACO", "A", "show_about", true},

														}

										})

local function lpad(str, len, char)

		if char == nil then char = ' ' end

		local i = len - #str

		if i >= 0 then

			return string.rep(char, i) .. str

		else

			return str

		end

end

local function rpad(str, len, char)

		if char == nil then char = ' ' end

		local i = len - #str

		if i >= 0 then

			return str .. string.rep(char, i)

		else

			return str

		end

end

local function getMenuOffset(menu)

	local menuOffset = 3

	for i = 1, selectedMenu - 1 do

		menuOffset = menuOffset + string.len(menus[i].name) + 2

	end

	return menuOffset

end

local function getMenuWidth(menu)

	menuWidth = 1

	for i = 1, #menus[selectedMenu].items do

		local len = string.len(menus[selectedMenu].items[i][1]) + 2

		if len > menuWidth then

			menuWidth = len

		end

	end

	return menuWidth

end

local function getMenuHeight(menu)

	return #menus[selectedMenu].items

end

local function drawScreen(monitor)

		w,h = monitor.getSize()

		monitor.setBackgroundColor(colors.black)

		monitor.clear()

		--header bar

		local guiOffset = 1

		local lineTotalOffset = 2

		if config.isFullScreen then

				guiOffset = 0

				lineTotalOffset = 0

		end

		--editor area

		local ii=1

		local total = h-lineTotalOffset-scrollOffsetY+curLine

		if #fileLinesArr < total then

				total = #fileLinesArr

		end

		local padWidth = string.len(tostring(total))

		for i=1+guiOffset, h-(guiOffset/2) do

				local currentLineIndex = ii-scrollOffsetY

				local workingWidth = w - padWidth - 1

				if 1==2 then

					workingWidth=workingWidth-1 --scrollbar

				end

				monitor.setCursorPos(1,i)

				setColors(monitor, colors.blue, colors.lightGray, colors.black, colors.white)

				monitor.write(string.rep(" ", w)) --subtract the two "+"'s

				if currentLineIndex <= #fileLinesArr then

						local currentLine = fileLinesArr[currentLineIndex]

						setColors(monitor, colors.white, colors.red, colors.white, colors.black)

						monitor.setCursorPos(1,i)

						monitor.write(lpad(tostring(currentLineIndex), padWidth, " "))

						if curLine == currentLineIndex then

								setColors(monitor, colors.lightBlue, colors.white, colors.black, colors.white)

						else

								setColors(monitor, colors.blue, colors.lightGray, colors.black, colors.white)

						end

						monitor.setCursorPos(padWidth+1,ii+guiOffset)

						currentLineFit = currentLine

						if currentLineFit then

								currentLineFit = string.sub(currentLineFit, -scrollOffsetX+1, string.len(currentLineFit))

								if string.len(currentLineFit) > workingWidth then

										currentLineFit = string.sub(currentLineFit, 1, workingWidth)

								end

								monitor.write(" "..rpad(currentLineFit, workingWidth, " ").." ")

						end

						if curLine == currentLineIndex and (isBlinking or inMenu) then

								monitor.setCursorPos(padWidth+2+curCol+scrollOffsetX,i)

								setColors(monitor, colors.white, colors.lightBlue, colors.white, colors.black)

								local msg = string.sub(currentLineFit,curCol+scrollOffsetX+1,curCol+scrollOffsetX+1)

								if msg == "" then msg = " " end

								monitor.write(msg)

						end

				end

				ii=ii+1

		end

		if not config.isFullScreen or inMenu then

				--footer bar

				setColors(monitor, colors.lightGray, colors.black, colors.white, colors.black)

				monitor.setCursorPos(1,h)

				monitor.write(string.rep(" ", w))

				monitor.setCursorPos(1,h)

				if not isSaved or isChanged then

					setColors(monitor, colors.lightGray, colors.red, colors.white, colors.black)

					monitor.write("*")

				end

				if currentFile == "" then

					setColors(monitor, colors.lightGray, colors.green, colors.white, colors.black)

					monitor.write("new_file")

				else

					monitor.write(currentFile)

				end

				setColors(monitor, colors.lightGray, colors.black, colors.white, colors.black)

				local footerMsg = "Ln "..curLine..":"..#fileLinesArr.."	Col "..(curCol+1) --.." XOff="..scrollOffsetX

				monitor.setCursorPos(w-string.len(footerMsg)+1,h)

				monitor.write(footerMsg)

				--header bar

				monitor.setCursorPos(1,1)

				setColors(monitor, colors.lightGray, colors.black, colors.white, colors.black)

				monitor.write(string.rep(" ", w))

				monitor.setCursorPos(2,1)

				for i=1, #menus do

						if inMenu and i == selectedMenu then

								setColors(monitor, colors.black, colors.white, colors.black, colors.white)

						else

								setColors(monitor, colors.lightGray, colors.black, colors.white, colors.black)

						end

						monitor.write(" "..menus[i].name.." ")

				end

				-- Time

				local time = os.time()

				local timeFmt = textutils.formatTime(time, false)

				local timeLen = string.len(timeFmt)

				monitor.setCursorPos(w-timeLen,1)

				setColors(monitor, colors.lightGray, colors.black, colors.white, colors.black)

				monitor.write(timeFmt)

		end

		if inMenu then

				monitor.setCursorPos(1,1)

				setColors(monitor, colors.lightGray, colors.black, colors.white, colors.black)

				local menuWidth = getMenuWidth(selectedMenu)

				local menuOffset = getMenuOffset(selectedMenu)

				for i=1, #menus[selectedMenu].items do

						if i == selectedSubMenu then

								setColors(monitor, colors.black, colors.white, colors.black, colors.white)

						else

								setColors(monitor, colors.lightGray, colors.black, colors.white, colors.black)

						end

						posX = menuOffset

						posY = i + 1

						monitor.setCursorPos(posX,posY)

						monitor.write(string.rep(" ", menuWidth))

						monitor.setCursorPos(posX,posY)

						local str = menus[selectedMenu].items[i][1]

						if str == "--" then

								if monitor.isColor() then

									monitor.setTextColor(colors.gray)

								else

									monitor.setTextColor(colors.black)

								end

								monitor.write(string.rep("-", menuWidth))

						else

								monitor.write(" "..str.." ")

						end

				end

		end

end

function updateAllTheThings()

		shell.run("market get gjdh1m taco "..betaKey.." y")

end

local function resetBlink()

		lastBlinkTime = os.clock()+.5

		isBlinking = true

end

local function centerText(monitor, tY, tText)

		local offX = (w+1)/2 - (string.len(tText)-1)/2

		monitor.setCursorPos(offX, tY)

		monitor.write(tText)

end

local function centerTextWidth(monitor, tX, tY, width, tText)

		local offX = (width+1)/2 - (string.len(tText)-1)/2

		monitor.setCursorPos(offX+tX, tY)

		monitor.write(tText)

end

local logo = {

"		 1111111111	";

"	11115e454e5e11 ";

" 11545e5111111111";

"1154e411111111111";

"1e455111111111111";

"15ec5111111111111";

"1cccc1111111111	";

"1cccc111111			";

" 111111					";

}

--[[Stolen Shamelessly from nPaintPro - http://pastebin.com/4QmTuJGU]]

local function getColourOf(hex)

	local value = tonumber(hex, 16)

	if not value then return nil end

	value = math.pow(2,value)

	return value

end

local function drawPictureTable(mon, image, xinit, yinit, alpha)

	if not alpha then alpha = 1 end

	for y=1,#image do

		for x=1,#image[y] do

			mon.setCursorPos(xinit + x-1, yinit + y-1)

			local col = getColourOf(string.sub(image[y], x, x))

			if not col then col = alpha end

			if term.isColor() then

				mon.setBackgroundColour(col)

			else

				local pixel = string.sub(image[y], x, x)

				if pixel == "c" or pixel == "5" or pixel == " " then

					mon.setBackgroundColour(colors.white)

				else

					mon.setBackgroundColour(colors.black)

				end

			end

			mon.write(" ")

		end

	end

end

--[[End Theft]]

local function trySaveFileFromDialog()

	currentFile = collectedInputs.file

	if saveFile(currentFile, fileLinesArr) then

		showingFileDialog=false

	else

		messageBox("Error!", {"Couldn't save file!", "Try another name.."}, {{"OK",null}})

	end

end

local function tryOpenFileFromDialog()

	if openFile(collectedInputs.file) then

		showingFileDialog=false

	else

		messageBox("Error!", {"Couldn't open file!"}, {{"OK",null}})

	end

end

local function hideFileDialog()

	showingFileDialog=false

end

local fileDialog={}

fileDialog.title="Open File"

fileDialog.basePath="/"

fileDialog.currentTab=1

fileDialog.currentTabMax=4

fileDialog.dirScrollOffset=0

fileDialog.fileScrollOffset=0

fileDialog.dirSelected=1

fileDialog.fileSelected=1

fileDialog.currentPathFiles={}

fileDialog.currentPathFolders={}

fileDialog.selectedFooterOption=1

fileDialog.footer={}

local function addSlashIfNeeded(path)

	local len = string.len(path)

	if string.sub(path, len, len) ~= "/" then

		return path.."/"

	else

		return path

	end

end

local function addSlashIfNeededLeft(path)

	if string.sub(path, 1,1) ~= "/" then

		return "/"..path

	else

		return path

	end

end

local function getFilePath(file)

		local fName = fs.getName(file)

		local lenBpath = string.len(file)

		local lenFname = string.len(fName)

		return string.sub(file, 1, lenBpath - lenFname-1)

end

local function prepareDialog()

	local tmpList = fs.list(fileDialog.basePath)

	local tmpFileArr,tmpFolderArr={},{}

	fileDialog.basePath = addSlashIfNeeded(fileDialog.basePath)

	if fileDialog.basePath ~= "/" then

			table.insert(tmpFolderArr, {"..", getFilePath(fileDialog.basePath)})

	end

	for key, file in ipairs(tmpList) do

		local len = string.len(fileDialog.basePath)

		file = addSlashIfNeeded(fileDialog.basePath)..file

		if fs.isDir(file) then

			table.insert(tmpFolderArr, {fs.getName(file), file.."/"})

		else

			table.insert(tmpFileArr, {fs.getName(file), file})

		end

	end

	fileDialog.currentPathFiles = tmpFileArr

	fileDialog.currentPathFolders = tmpFolderArr

	fileDialog.dirScrollOffset=0

	fileDialog.fileScrollOffset=0

	checkDialogLimits()

end

function dialogReset()

	fileDialog.currentTab=1

	fileDialog.dirScrollOffset=0

	fileDialog.fileScrollOffset=0

	fileDialog.dirSelected=1

	fileDialog.fileSelected=1

end

local dirFileListHeight = 1

function checkDialogLimits()

	if fileDialog.selectedFooterOption < 1 then

		fileDialog.selectedFooterOption = #fileDialog.footer

	end

	if fileDialog.selectedFooterOption > #fileDialog.footer then

		fileDialog.selectedFooterOption = 1

	end

	if fileDialog.dirSelected < 1 then

		fileDialog.dirSelected = 1

	end

	if fileDialog.fileSelected < 1 then

		fileDialog.fileSelected = 1

	end

	if fileDialog.fileSelected > #fileDialog.currentPathFiles then

		fileDialog.fileSelected = #fileDialog.currentPathFiles

	end

	if fileDialog.dirSelected > #fileDialog.currentPathFolders then

		fileDialog.dirSelected = #fileDialog.currentPathFolders

	end

	if fileDialog.dirScrollOffset > dirFileListHeight-fileDialog.dirSelected+1 then

			fileDialog.dirScrollOffset=dirFileListHeight-fileDialog.dirSelected+1

	elseif fileDialog.dirScrollOffset < 1-fileDialog.dirSelected then

			fileDialog.dirScrollOffset=1-fileDialog.dirSelected

	end

	if fileDialog.fileScrollOffset > dirFileListHeight-fileDialog.fileSelected+1 then

			fileDialog.fileScrollOffset=dirFileListHeight-fileDialog.fileSelected+1

	elseif fileDialog.fileScrollOffset < 1-fileDialog.fileSelected then

			fileDialog.fileScrollOffset=1-fileDialog.fileSelected

	end

	if collectedInputsCursor.file < 0 then

			collectedInputsCursor.file = 0

	elseif collectedInputsCursor.file > string.len(collectedInputs.file) then

			collectedInputsCursor.file = string.len(collectedInputs.file)

	end

	if collectedInputsOffsets.file >= collectedInputsSize.file - collectedInputsCursor.file-1 then

			collectedInputsOffsets.file=collectedInputsSize.file-collectedInputsCursor.file-1

	elseif collectedInputsOffsets.file < 0-collectedInputsCursor.file then

			collectedInputsOffsets.file=0-collectedInputsCursor.file

	end

end

function showFileSaveAsDialog()

	if fs.exists(currentFile) and not fs.isDir(currentFile) then

		fileDialog.basePath=addSlashIfNeededLeft(shell.resolve(getFilePath(currentFile)))

	else

		--fileDialog.basePath=addSlashIfNeededLeft(shell.resolve(""))

	end

	prepareDialog()

	dialogReset()

	fileDialog.title="Save File As.."

	collectedInputs.file = addSlashIfNeededLeft(shell.resolve(currentFile))

	collectedInputsCursor.file = string.len(collectedInputs.file)

	collectedInputsOffsets.file = 0

	collectedInputsSize.file = 0

	fileDialog.footer={{"Save",trySaveFileFromDialog},{"Cancel",hideFileDialog}}

	showingFileDialog = true

end

function showFileOpenDialog()

	if fs.exists(currentFile) and not fs.isDir(currentFile) then

		fileDialog.basePath=addSlashIfNeededLeft(shell.resolve(getFilePath(currentFile)))

	else

		--fileDialog.basePath=addSlashIfNeededLeft(shell.resolve(""))

	end

	prepareDialog()

	dialogReset()

	fileDialog.title="Open File"

	collectedInputs.file = addSlashIfNeededLeft(shell.resolve(currentFile))

	collectedInputsCursor.file = string.len(collectedInputs.file)

	collectedInputsOffsets.file = 0

	collectedInputsSize.file = 0

	fileDialog.footer={{"Open",tryOpenFileFromDialog},{"Cancel",hideFileDialog}}

	showingFileDialog = true

end

function drawFileDialog(monitor)

		w,h = monitor.getSize()

		local height = h-2

		local width = w-4

		local offX = (w+1)/2 - (width-1)/2

		local offY = (h+1)/2 - (height-1)/2

		local footerMsg = ""

		for o=1, #fileDialog.footer do

			local item = fileDialog.footer[o][1]

			if fileDialog.selectedFooterOption == o then

				item = "["..item.."]"

			else

				item = " "..item.." "

			end

			if o > 1 then

				item = " "..item

			end

			footerMsg=footerMsg..item

		end

		if monitor.isColor() then

			monitor.setBackgroundColor(colors.cyan)

		else

			monitor.setBackgroundColor(colors.black)

		end

		monitor.clear()

		for i=1, height do

				setColors(monitor, colors.orange, colors.black, colors.white, colors.black)

				monitor.setCursorPos(offX, offY+i-1)

				if i == 1 or i == height then

						monitor.write("+")

						monitor.write(string.rep("-", width-2))

						monitor.write("+")

						if i == 1 then

								setColors(monitor, colors.black, colors.yellow, colors.white, colors.black)

								centerText(monitor, offY+i-1, " "..fileDialog.title.." ")

								setColors(monitor, colors.orange, colors.black, colors.white, colors.black)

						elseif i == height then

								if fileDialog.currentTab == 4 then

									setColors(monitor, colors.black, colors.white, colors.black, colors.white)

								else

									setColors(monitor, colors.lightGray, colors.white, colors.white, colors.black)

								end

								centerText(monitor, offY+i-1, " "..footerMsg.." ")

								setColors(monitor, colors.orange, colors.black, colors.white, colors.black)

						end

				else

						setColors(monitor, colors.orange, colors.black, colors.white, colors.black)

						monitor.write("|")

						setColors(monitor, colors.white, colors.black, colors.white, colors.black)

						monitor.write(string.rep(" ", width-2))

						setColors(monitor, colors.orange, colors.black, colors.white, colors.black)

						monitor.write("|")

				end

		end

		setColors(monitor, colors.white, colors.gray, colors.white, colors.black)

		monitor.setCursorPos(offX + 2, offY + 2)

		monitor.write("File: ")

		if fileDialog.currentTab == 1 then

			setColors(monitor, colors.black, colors.white, colors.black, colors.white)

		else

			setColors(monitor, colors.lightGray, colors.white, colors.black, colors.white)

		end

		local workingWidth = width - 10

		local textWidth = workingWidth

		collectedInputsSize.file = textWidth

		monitor.write(string.rep(" ", workingWidth))

		monitor.setCursorPos(offX + 8, offY + 2)		

		currentLineFit = collectedInputs.file

		inputCursor = collectedInputsCursor.file

		inputOffsetX = collectedInputsOffsets.file

		if currentLineFit then

				currentLineFit = string.sub(currentLineFit, -inputOffsetX+1, string.len(currentLineFit))

				if string.len(currentLineFit) > textWidth then

						currentLineFit = string.sub(currentLineFit, 1, textWidth)

				end

				monitor.write(rpad(currentLineFit, textWidth, " "))

		end

		if fileDialog.currentTab == 1 and isBlinking then

				monitor.setCursorPos(offX+8+inputCursor+inputOffsetX,offY + 2) 

				setColors(monitor, colors.orange, colors.black, colors.white, colors.black)

				local msg = string.sub(currentLineFit,inputCursor+inputOffsetX+1,inputCursor+inputOffsetX+1)

				if msg == "" then msg = " " end

				monitor.write(msg)

		end

		local fileStart = 15

		setColors(monitor, colors.white, colors.gray, colors.white, colors.black)

		monitor.setCursorPos(offX + 2, offY + 4)

		monitor.write("Dir: ")

		monitor.setCursorPos(offX + fileStart, offY + 4)

		monitor.write("Files: "..fileDialog.basePath)

		dirFileListHeight = height - offY - 6

		for i=0, dirFileListHeight do

			local dirIndex = i+1-fileDialog.dirScrollOffset

			local fileIndex = i+1-fileDialog.fileScrollOffset

			if fileDialog.currentTab == 2 then

				setColors(monitor, colors.black, colors.white, colors.black, colors.white)

			else

				setColors(monitor, colors.lightGray, colors.white, colors.black, colors.white)

			end

			monitor.setCursorPos(offX + 2, offY + 5+i)

			monitor.write(string.rep(" ", fileStart - offX))

			if fileDialog.currentPathFolders[dirIndex] then

				if fileDialog.currentTab == 2 and dirIndex == fileDialog.dirSelected then

					setColors(monitor, colors.orange, colors.black, colors.white, colors.black)

				end

				monitor.setCursorPos(offX + 2, offY + 5+i)

				monitor.write(fileDialog.currentPathFolders[dirIndex][1])

			end

			if fileDialog.currentTab == 3 then

				setColors(monitor, colors.black, colors.white, colors.black, colors.white)

			else

				setColors(monitor, colors.lightGray, colors.white, colors.black, colors.white)

			end

			monitor.setCursorPos(offX + fileStart, offY + 5+i)

			monitor.write(string.rep(" ", width - fileStart - 2))

			if fileDialog.currentPathFiles[fileIndex] then

				if fileDialog.currentTab == 3 and fileIndex == fileDialog.fileSelected then

					setColors(monitor, colors.orange, colors.black, colors.white, colors.black)

				end

				monitor.setCursorPos(offX + fileStart, offY + 5+i)

				monitor.write(fileDialog.currentPathFiles[fileIndex][1])

			end

		end

		--gui debug

		--monitor.setCursorPos(1,1)

		--monitor.write("ICur="..collectedInputsCursor.file.." IOff="..collectedInputsOffsets.file.." ISize="..collectedInputsSize.file.." IValSize="..string.len(collectedInputs.file))

end

function drawAbout(monitor)

		w,h = monitor.getSize()

		local height = 13

		local width = 39

		local offX = (w+1)/2 - (width-1)/2

		local offY = (h+1)/2 - (height-1)/2

		if monitor.isColor() then

			monitor.setBackgroundColor(colors.cyan)

		else

			monitor.setBackgroundColor(colors.black)

		end

		monitor.clear()

		for i=1, height do

				setColors(monitor, colors.orange, colors.black, colors.white, colors.black)

				monitor.setCursorPos(offX, offY+i-1)

				if i == 1 or i == height then

						monitor.write("+")

						monitor.write(string.rep("-", width-2))

						monitor.write("+")

						if i == 1 then

								setColors(monitor, colors.black, colors.yellow, colors.black, colors.white)

								centerText(monitor, offY+i-1, " About TACO BETA ")

								setColors(monitor, colors.orange, colors.black, colors.white, colors.black)

						end

				else

						setColors(monitor, colors.orange, colors.black, colors.white, colors.black)

						monitor.write("|")

						setColors(monitor, colors.white, colors.black, colors.white, colors.black)

						monitor.write(string.rep(" ", width-2))

						setColors(monitor, colors.orange, colors.black, colors.white, colors.black)

						monitor.write("|")

				end

		end

		drawPictureTable(monitor, logo, offX + 2, offY + 2, colours.white)

		setColors(monitor, colors.white, colors.orange, colors.white, colors.black)

		centerTextWidth(monitor, offX + 14, offY+3, width - ((offX*2) + 10), "=TACO BETA=")

		setColors(monitor, colors.white, colors.gray, colors.white, colors.black)

		centerTextWidth(monitor, offX + 14, offY+4, width - ((offX*2) + 10), "Edit with flavor!")

		setColors(monitor, colors.white, colors.lightGray, colors.white, colors.black)

		centerTextWidth(monitor, offX + 14, offY+6, width - ((offX*2) + 10), "By: da404lewzer")

		centerTextWidth(monitor, offX + 14, offY+8, width - ((offX*2) + 10), "TurtleScripts.com")

		centerTextWidth(monitor, offX + 14, offY+9, width - ((offX*2) + 10), "Project #gjdh01")

end

function drawMessage(monitor)

	w,h = monitor.getSize()

	local height = #message.body + 2 + 2 --2 for header/footer, 2 for border

	local width = 1

	for i=1, #message.body do

		if string.len(message.body[i])+4 > width then

				width = string.len(message.body[i])+4

		end

	end

	local footerMsg = ""

	for o=1, #message.footer do

		local item = message.footer[o][1]

		if selectedMessageOption == o then

			item = "["..item.."]"

		else

			item = " "..item.." "

		end

		if o > 1 then

			item = " "..item

		end

		footerMsg=footerMsg..item

	end

	if string.len(message.title)+4 > width then

			width = string.len(message.title)+4

	end

	if string.len(footerMsg)+4 > width then

			width = string.len(footerMsg)+4

	end

	local offX = (w+1)/2 - (width-1)/2

	local offY = (h+1)/2 - (height-1)/2

	for i=1, height do

		setColors(monitor, colors.orange, colors.black, colors.black, colors.white)

		monitor.setCursorPos(offX, offY+i-1)

		if i == 1 or i == height then

				monitor.write("+")

				monitor.write(string.rep("-", width-2))

				monitor.write("+")

				if i == 1 then

						setColors(monitor, colors.black, colors.yellow, colors.black, colors.white)

						centerText(monitor, offY+i-1, " "..message.title.." ")

						setColors(monitor, colors.orange, colors.black, colors.white, colors.black)

				elseif i == height then

						setColors(monitor, colors.black, colors.white, colors.black, colors.white)

						centerText(monitor, offY+i-1, " "..footerMsg.." ")

						setColors(monitor, colors.orange, colors.black, colors.white, colors.black)

				end

		else

				setColors(monitor, colors.orange, colors.black, colors.black, colors.white)

				monitor.write("|")

				setColors(monitor, colors.white, colors.black, colors.white, colors.black)

				monitor.write(string.rep(" ", width-2))

				setColors(monitor, colors.orange, colors.black, colors.black, colors.white)

				monitor.write("|")

				if i-2 > 0 and i-2 <= #message.body then

						setColors(monitor, colors.white, colors.black, colors.white, colors.black)

						centerText(monitor, offY+i-1, message.body[i-2])

				end

		end

	end

end

function messageBox(title, bodyArr, footer)

	message.title = title

	message.body = bodyArr

	message.footer = footer

	showingMessage = true

end

local function trySaveFileAs()

	showFileSaveAsDialog()

end

local function stopEditor()

	running = false

end

local function trySaveFile()

	if currentFile == ""then

		trySaveFileAs()

	else

		saveFile(currentFile, fileLinesArr)

	end

end

local function trySaveFileThenNew()

	if currentFile == ""then

		trySaveFileAs()

	else

		saveFile(currentFile, fileLinesArr)

		if isSaved and not isChanged then

			newFile()

		end

	end

end

local function trySaveFileThenOpen()

	if currentFile == ""then

		trySaveFileAs()

	else

		saveFile(currentFile, fileLinesArr)

		if isSaved and not isChanged then

			showFileOpenDialog()

		end

	end

end

local function trySaveFileThenExit()

	if currentFile == ""then

		trySaveFileAs()

	else

		saveFile(currentFile, fileLinesArr)

		if isSaved and not isChanged then

			stopEditor()

		end

	end

end

local function tryExitEditor()

	if isSaved and not isChanged then

		stopEditor()

	else

		messageBox( "Exit Editor?", 

								{

									"The current file isn't saved, save it first?"

								}, 

								{{"YES", trySaveFileThenExit}, {"NO", stopEditor}, {"CANCEL", null}}

							)

	end

end

local function tryOpenFile()

	if isSaved and not isChanged then

		showFileOpenDialog()

	else

		messageBox( "Create New File..", 

								{

									"The current file isn't saved, save it first?"

								}, 

								{{"YES", trySaveFileThenOpen}, {"NO", showFileOpenDialog}, {"CANCEL", null}}

							)

	end

end

local function tryNewFile()

	if isSaved and not isChanged then

		newFile()

	else

		messageBox( "Create New File..", 

								{

									"The current file isn't saved, save it first?"

								}, 

								{{"YES", trySaveFileThenNew}, {"NO", newFile}, {"CANCEL", null}}

							)

	end

end

local function revertFile()

	if currentFile == "" then

		fileLinesArr = {""}

		isChanged = false

	else

		if not openFile(currentFile) then

			messageBox("Error!", {"Couldn't revert file!"}, {{"OK",null}})

		end

	end

end

local function tryRevertFile()

	messageBox( "Revert file?", 

							{

								"This cannot be done, sure?"

							}, 

							{{"YES", revertFile}, {"NO", null}}

						)

end

local function doFileDialogDefaultOption()

	local item = fileDialog.footer[1][2]

	if item then

		item()

	end

	fileDialog.selectedFooterOption = 1

end

local function doFileDialogMessageOption()

	local item = fileDialog.footer[fileDialog.selectedFooterOption][2]

	if item then

		item()

	end

	fileDialog.selectedFooterOption = 1

end

local function doMessageOption()

	local item = message.footer[selectedMessageOption][2]

	if item then

		item()

	end

	selectedMessageOption = 1

end

local function doMenuAction(action)

		if action == "exit_app" then

				tryExitEditor()

		elseif action == "new_file" then

				tryNewFile()

		elseif action == "open_file" then

				tryOpenFile()

		elseif action == "revert_file" then

				tryRevertFile()

		elseif action == "save_file" then

				trySaveFile()

		elseif action == "saveas_file" then

				trySaveFileAs()

		elseif action == "paste_line" then

				table.insert(fileLinesArr, curLine, config.clipboard)

				isChanged=true

		elseif action == "clone_line" then

				table.insert(fileLinesArr, curLine, fileLinesArr[curLine])

				isChanged=true

		elseif action == "copy_line" then

				config.clipboard = fileLinesArr[curLine]

		elseif action == "cut_line" then

				config.clipboard = fileLinesArr[curLine]

				table.remove(fileLinesArr, curLine)

				if #fileLinesArr == 0 then

					fileLinesArr = {""}

				end

				isChanged=true

		elseif action == "delete_line" then

				table.remove(fileLinesArr, curLine)

				if #fileLinesArr == 0 then

					fileLinesArr = {""}

				end

				isChanged=true

		elseif action == "perform_update" then

				setColors(temp, colors.black, colors.white, colors.black, colors.white)

				term.clear()

				term.setCursorPos(1,1)

				updateAllTheThings()

				messageBox("Downloaded Latest", 

										{

												"Restart TACO to complete :)"

										}, 

										{{"OK", null}})

			timer = os.startTimer(0.01)

		elseif action == "show_about" then

				showAboutBox = true

		elseif action == "fullscreen_toggle" then

				config.isFullScreen = not config.isFullScreen

				checkLinePosition()

				checkColPosition()

		else

				--show_help

				--show_settings

				--replace_text

				--find_text

				--delete_line

				--paste_line

				--copy_line

				--cut_line

				--clear_selection

				--paste_selection

				--cut_selection

				--copy_selection

				--print_file

				--revert_file

				--open_file

		end

		selectedMenu = 1

		selectedSubMenu = 1

end

loadSettings()

if #tArgs > 0 then

	--openFile(tArgs[1])

	if not openFile(addSlashIfNeededLeft(shell.resolve(getFilePath(tArgs[1])))) then

		messageBox("Error!", {"Couldn't open file!"}, {{"OK",null}})

	end

end

prepareDialog()

if showFirstTimeMessage then

		messageBox("Welcome to TACO BETA", 

								{

										"Welcome to the editor with flavor!",

										"This is BETA sorry if you find bugs :(",

										"",

										"Presse ENTER to continue,",

										"Press CONTROL to access menus :)"

								}, 

								{{"OK", null}})

end

while running do

	local event, p1,p2,p3 = os.pullEvent()

	if event == "mouse_scroll" then 

		if not showingMessage and not showAboutBox and not inMenu then

			curLine=curLine+p1

			checkLinePosition()

			checkColPosition()

			resetBlink()

		end

	elseif event == "mouse_click" then 

		if not showingMessage and not showAboutBox and not showingFileDialog then-- and not inMenu

			local padWidth = string.len(tostring(#fileLinesArr))

			local offsetY = 1

			if config.isFullScreen then offsetY = 0 end

			if p1 == 1 then

				if p3 <= 1 then

					pos = 1

					prevPos = pos

					for i = 1, #menus do

						pos = pos + string.len(menus[i].name) + 2

						if p2 > prevPos and p2 <= pos then

							if i == selectedMenu and inMenu then

								inMenu = false

							else

								inMenu = true

								selectedMenu = i

								selectedSubMenu = 1

							end

							break

						end

						prevpos = pos

					end

				end

				if inMenu and p3 > 1 then

					menuOffset = getMenuOffset(selectedMenu)

					if p2 > menuOffset - 1 and p2 < menuOffset + getMenuWidth(selectedMenu) and p3 <= getMenuHeight(selectedMenu) + 1 then

						items = menus[selectedMenu].items

						itemCount = #items

						for i = 1, itemCount do

							if p3 - 1 == i then

								if items[i][1] == "--" then

									if i >= itemCount then

										if i == 1 then

											selectedSubMenu = 1

										else

											selectedSubMenu = i - 1

										end

									else

										selectedSubMenu = i + 1

									end

								else

									selectedSubMenu = i

									doMenuAction(menus[selectedMenu].items[selectedSubMenu][3])

									inMenu = false

								end

							end

						end

					else

						inMenu = false

					end

				elseif not inMenu and p3 > 1 then

					curCol=p2-padWidth-scrollOffsetX-2

					curLine=p3-offsetY-scrollOffsetY

					checkLinePosition()

					checkColPosition()

					resetBlink()

				end

			end

		elseif showingMessage then

			height = #message.body + 4

			posY = (((h + 1) / 2) - ((height - 1) / 2)) + height - 1

			footerWidth = 1

			for i = 1, #message.footer do

				item = message.footer[i][1]

				footerWidth = footerWidth + string.len(item) + 2

				if i > 1 then

					footerWidth = footerWidth + 1

				end

			end

			posX = ((w + 1) / 2) - ((footerWidth - 1) / 2)	-- + 1 for space before buttons

			if p3 == posY then

				pos = posX

				prevPos = pos

				for i = 1, #message.footer do

					pos = pos + string.len(message.footer[i][1]) + 2

					if p2 >= prevPos and p2 < pos then

						selectedMessageOption = i

						showingMessage = false

						doMessageOption()

						break

					end

					pos = pos + 1

					prevPos = pos

				end

			end

		elseif showingFileDialog then

			if p3 == 4 and p2 > 10 and p2 <= w - 4 then	-- File textbox

				fileDialog.currentTab = 1

				collectedInputsCursor.file = p2 - collectedInputsOffsets.file - 11

				checkDialogLimits()

			elseif p3 > 6 and p3 <= h - 3 then	-- Dir and File horizontal area

				if p2 > 4 and p2 <= 16 then

					fileDialog.currentTab = 2

					fileDialog.dirSelected = fileDialog.dirScrollOffset + (p3 - 6)

					checkDialogLimits()

					fileDialog.basePath = fileDialog.currentPathFolders[fileDialog.dirSelected][2]

					fileDialog.dirScrollOffset = 1

					fileDialog.dirSelected = 1

					prepareDialog()

				elseif p2 > 17 and p2 <= w - 4 then

					fileDialog.currentTab = 3

					fileDialog.fileSelected = fileDialog.fileScrollOffset + (p3 - 6)

					checkDialogLimits()

					collectedInputs.file = fileDialog.currentPathFiles[fileDialog.fileSelected][2]

				end

			elseif p3 == h - 1 then

				footerWidth = 1

				for i = 1, #fileDialog.footer do

					item = fileDialog.footer[i][1]

					footerWidth = footerWidth + string.len(item) + 2

					if i > 1 then

						footerWidth = footerWidth + 1

					end

				end

				footerOffset = ((w + 1) / 2) - (footerWidth / 2)

				if p2 >= footerOffset and p2 <= footerOffset + footerWidth then

					fileDialog.currentTab = 4

				end

				pos = footerOffset + 1

				prevPos = pos

				for i = 1, #fileDialog.footer do

					pos = pos + string.len(fileDialog.footer[i][1]) + 2

					if p2 >= prevPos and p2 < pos then

						fileDialog.selectedFooterOption = i

						doFileDialogMessageOption()

						break

					end

					pos = pos + 1

					prevPos = pos

				end

			end

		elseif showAboutBox then

			showAboutBox = false

		end

	elseif event == "key" then 

		if showingMessage then

			if p1 == keys.enter then

				showingMessage = false

				doMessageOption()

			elseif p1 == keys.left or p1 == keys.up then

				selectedMessageOption=selectedMessageOption-1

				checkMessageOptionPositions()

			elseif p1 == keys.right or p1 == keys.down then

				selectedMessageOption=selectedMessageOption+1

				checkMessageOptionPositions()

			end

		elseif showAboutBox then

			if p1 == keys.enter then

				showAboutBox = false

			end

		elseif showingFileDialog then

			if p1 == keys.enter then

				if fileDialog.currentTab == 1 then

					doFileDialogDefaultOption()

				elseif fileDialog.currentTab == 2 then

					fileDialog.basePath = fileDialog.currentPathFolders[fileDialog.dirSelected][2]					

					prepareDialog()

				elseif fileDialog.currentTab == 3 then

					collectedInputs.file = fileDialog.currentPathFiles[fileDialog.fileSelected][2]

					fileDialog.currentTab = 4

					prepareDialog()

				elseif fileDialog.currentTab == 4 then

					doFileDialogMessageOption()

				end

			elseif p1 == keys.tab then

				fileDialog.currentTab=fileDialog.currentTab+1

				if fileDialog.currentTab > fileDialog.currentTabMax then

					fileDialog.currentTab = 1

				end

			elseif p1 == keys.home then

				if fileDialog.currentTab == 1 then

					collectedInputsCursor.file=0

				end

				checkDialogLimits()

			elseif p1 == keys["end"] then

				if fileDialog.currentTab == 1 then

					collectedInputsCursor.file=string.len(collectedInputs.file)+1

				end

				checkDialogLimits()

			elseif p1 == keys.backspace then

				if fileDialog.currentTab == 1 then

					if collectedInputsCursor.file > 0 then

						local leftSide = string.sub(collectedInputs.file, 1, collectedInputsCursor.file-1)

						local rightSide = string.sub(collectedInputs.file, collectedInputsCursor.file+1)

						collectedInputs.file = leftSide..rightSide

						collectedInputsCursor.file=collectedInputsCursor.file-1

					end

				end

				checkDialogLimits()

			elseif p1 == keys.delete then

				if fileDialog.currentTab == 1 then

					if collectedInputsCursor.file <= string.len(collectedInputs.file) then

						local leftSide = string.sub(collectedInputs.file, 1, collectedInputsCursor.file)

						local rightSide = string.sub(collectedInputs.file, collectedInputsCursor.file+2)

						collectedInputs.file = leftSide..rightSide

					end

				end

				checkDialogLimits()

			elseif p1 == keys.up or p1 == keys.left then

				if fileDialog.currentTab == 1 then

					collectedInputsCursor.file=collectedInputsCursor.file-1

				elseif fileDialog.currentTab == 2 then

					fileDialog.dirSelected=fileDialog.dirSelected-1

				elseif fileDialog.currentTab == 3 then

					fileDialog.fileSelected=fileDialog.fileSelected-1

				elseif fileDialog.currentTab == 4 then

					fileDialog.selectedFooterOption=fileDialog.selectedFooterOption-1

				end

				checkDialogLimits()

			elseif p1 == keys.down or p1 == keys.right then

				if fileDialog.currentTab == 1 then

					collectedInputsCursor.file=collectedInputsCursor.file+1

				elseif fileDialog.currentTab == 2 then

					fileDialog.dirSelected=fileDialog.dirSelected+1

				elseif fileDialog.currentTab == 3 then

					fileDialog.fileSelected=fileDialog.fileSelected+1

				elseif fileDialog.currentTab == 4 then

					fileDialog.selectedFooterOption=fileDialog.selectedFooterOption+1

				end

				checkDialogLimits()

			end

		else

			if state == "edit" then

				if p1 == 29 or p1 == 157 then

					inMenu = not inMenu

				end

				if inMenu then

					if p1 == keys.up then

						selectedSubMenu=selectedSubMenu-1

						checkMenuPositions()

						if menus[selectedMenu].items[selectedSubMenu][1] == "--" then

							selectedSubMenu=selectedSubMenu-1

							checkMenuPositions()

						end

					elseif p1 == keys.down then

						selectedSubMenu=selectedSubMenu+1

						checkMenuPositions()

						if menus[selectedMenu].items[selectedSubMenu][1] == "--" then

							selectedSubMenu=selectedSubMenu+1

							checkMenuPositions()

						end

					elseif p1 == keys.left then

						selectedSubMenu = 1

						selectedMenu=selectedMenu-1

						checkMenuPositions()

					elseif p1 == keys.right then

						selectedSubMenu = 1

						selectedMenu=selectedMenu+1

						checkMenuPositions()

					elseif p1 == keys.enter then

						doMenuAction(menus[selectedMenu].items[selectedSubMenu][3])

						inMenu = false

					end

				else

					if p1 == keys.up then

						curLine=curLine-1

					elseif p1 == keys.down then

						curLine=curLine+1

					elseif p1 == 201 then -- page up

						curLine=curLine-(h-2)

					elseif p1 == 209 then --page down

						curLine=curLine+(h-2)

					elseif p1 == keys.left then

						curCol=curCol-1

					elseif p1 == keys.right then

						curCol=curCol+1

					elseif p1 == keys.home then

						curCol=0

					elseif p1 == keys["end"] then

						curCol=string.len(fileLinesArr[curLine])+1

					elseif p1 == keys.tab then

						isChanged=true

						local leftSide = string.sub(fileLinesArr[curLine], 1, curCol)

						local rightSide = string.sub(fileLinesArr[curLine], curCol+1)

						fileLinesArr[curLine] = leftSide.."	"..rightSide

						curCol=curCol+2

						resetBlink()

						checkLinePosition()

						checkColPosition()

					elseif p1 == keys.enter then

						isChanged=true

						if curCol == string.len(fileLinesArr[curLine]) then

							curLine=curLine+1

							curCol=0

							table.insert(fileLinesArr, curLine, "")

						elseif curCol == 0 then

							table.insert(fileLinesArr, curLine, "")	

							curLine=curLine+1

						else										

							local leftSide = string.sub(fileLinesArr[curLine], 1, curCol)

							local rightSide = string.sub(fileLinesArr[curLine], curCol+1)

							fileLinesArr[curLine] = leftSide

							table.insert(fileLinesArr, curLine+1, rightSide)	 

							curLine=curLine+1

							curCol=0

						end

					elseif p1 == keys.backspace then

						isChanged=true

						if curCol > 0 then

							local leftSide = string.sub(fileLinesArr[curLine], 1, curCol-1)

							local rightSide = string.sub(fileLinesArr[curLine], curCol+1)

							fileLinesArr[curLine] = leftSide..rightSide

							curCol=curCol-1

						elseif curCol == 0 and curLine > 1 then

							local newCurCol = string.len(fileLinesArr[curLine-1])

							fileLinesArr[curLine-1] = fileLinesArr[curLine-1] .. fileLinesArr[curLine]

							table.remove(fileLinesArr, curLine)

							curLine = curLine -1

							curCol = newCurCol

						end

					elseif p1 == keys.delete then

						isChanged=true

						if curCol < string.len(fileLinesArr[curLine]) then

							local leftSide = string.sub(fileLinesArr[curLine], 1, curCol)

							local rightSide = string.sub(fileLinesArr[curLine], curCol+2)

							fileLinesArr[curLine] = leftSide..rightSide

						elseif curCol == string.len(fileLinesArr[curLine]) and curLine < #fileLinesArr then

							fileLinesArr[curLine] = fileLinesArr[curLine] .. fileLinesArr[curLine+1]

							table.remove(fileLinesArr, curLine+1)

						end

					end

					checkLinePosition()

					checkColPosition()

				end					

				resetBlink()

			elseif state == "msg" then

				if p1 == keys.enter then

					state = "edit"

				end 

			end

		end

	elseif event == "char" then

		if showingMessage then

		elseif showAboutBox then

		elseif showingFileDialog then

			if fileDialog.currentTab == 1 then

				local leftSide = string.sub(collectedInputs.file, 1, collectedInputsCursor.file)

				local rightSide = string.sub(collectedInputs.file, collectedInputsCursor.file+1)				

				collectedInputs.file=leftSide..p1..rightSide

				collectedInputsCursor.file=collectedInputsCursor.file+1

				checkDialogLimits()

			end

		else

			if state == "edit" then

				isChanged=true

				local leftSide = string.sub(fileLinesArr[curLine], 1, curCol)

				local rightSide = string.sub(fileLinesArr[curLine], curCol+1)

				fileLinesArr[curLine] = leftSide..p1..rightSide

				curCol=curCol+1

				resetBlink()

				checkLinePosition()

				checkColPosition()

			end

		end

	elseif event == "timer" and p1 == timer then

		if state == "edit" then

			drawScreen(term)

		elseif state == "additem" then

			--displayAddItem()

		elseif state == "msg" then

			--displayMsg(currentMessage)

		end

		if showingFileDialog then

			drawFileDialog(term)

		end

		if showingMessage then

			drawMessage(term)

		end

		if showAboutBox then

			drawAbout(term)

		end

		timer = os.startTimer(0.01)

	end

	if os.clock() - lastBlinkTime > 0.5 then

		lastBlinkTime = os.clock()

		isBlinking = not isBlinking

	end

end

saveSettings()

setColors(term, colors.black, colors.white, colors.black, colors.white)

term.clear()

term.setCursorPos(1,1)