add menu to exec script

getMethodsPeripheral.lua

@@ -1,51 +1,100 @@
-local function getPeripheralDirection()
+-- Configuration
+local PAGINATION_SIZE = 10
+local VALID_DIRECTIONS = { "left", "right", "top", "bottom", "front", "back" }
+
+-- Input validation
+local function isValidDirection(direction)
+	if not direction then return false end
+
+	local lowerDirection = string.lower(direction)
+	for _, validDir in ipairs(VALID_DIRECTIONS) do
+		if lowerDirection == validDir then
+			return true
+		end
+	end
+	return false
+end
+
+local function isExitCommand(input)
+	return input == "quit" or input == "exit"
+end
+
+-- User interaction
+local function promptForDirection()
 	print("Enter the direction of the peripheral (left, right, top, bottom, front, back):")
-	local direction = io.read()
+	print("Type 'quit' or 'exit' to cancel.")
-	if not direction or direction == "quit" or direction == "exit" then
+	return io.read()
-		print("No direction specified, exiting.")
+end
+
+local function waitForKeyPress()
+	print("Press any key to continue...")
+	os.pullEvent("key")
+	term.clear()
+end
+
+-- Peripheral operations
+local function getPeripheralMethods(direction)
+	return peripheral.getMethods(direction)
+end
+
+-- Display functions
+local function displayMethodPage(methods, startIndex, endIndex)
+	for i = startIndex, endIndex do
+		local methodName = methods[i]
+		print(string.format("%d. %s", i, methodName))
+	end
+end
+
+local function displayMethodsWithPagination(methods)
+	if not methods or #methods == 0 then
+		print("No methods found for this peripheral.")
 		return
 	end
+
+	print(string.format("Found %d methods:", #methods))
+	print(string.rep("-", 30))
+
+	for i = 1, #methods, PAGINATION_SIZE do
+		local endIndex = math.min(i + PAGINATION_SIZE - 1, #methods)
+		displayMethodPage(methods, i, endIndex)
+
+		if endIndex < #methods then
+			waitForKeyPress()
+		end
+	end
+end
+
+-- Main program logic
+local function getUserDirection()
+	local direction = promptForDirection()
+
+	if not direction or isExitCommand(direction) then
+		print("Operation cancelled.")
+		return nil
+	end
+
+	if not isValidDirection(direction) then
+		print("Error: Invalid direction. Please use: " .. table.concat(VALID_DIRECTIONS, ", "))
+		return nil
+	end
+
 	return direction
 end
 
-local function checkDirectionIsValid(direction)
+local function main()
-	if not direction or direction == "quit" or direction == "exit" then
+	local direction = getUserDirection()
-		print("No direction specified, exiting.")
+	if not direction then
-		return false
+		return
 	end
-	return true
-end
 
-local function getMethodsPeripheral(direction)
+	local methods = getPeripheralMethods(direction)
-	local info = peripheral.getMethods(direction)
+	if not methods then
-	return info
+		print("Error: No peripheral found in direction '" .. direction .. "'")
-end
+		return
-
-local function displayMethodsPeripheral(info)
-	local nbOfMethods = 0
-	for methodName, methodInfo in pairs(info) do
-		nbOfMethods = nbOfMethods + 1
-		if nbOfMethods > 10 then
-			print("Too many methods, please press a key to continue...")
-			event, p1 = os.pullEvent("key")
-			nbOfMethods = 0
-			term.clear()
-		end
-		print(methodName .. ' ' .. methodInfo)
 	end
+
+	displayMethodsWithPagination(methods)
 end
 
--- main
+-- Program entry point
-local direction = getPeripheralDirection()
+main()
-local isDirectionIsNotEmpty = checkDirectionIsValid(direction)
-if not isDirectionIsNotEmpty then
-	print("No direction specified, exiting.")
-	return
-end
-local info = getMethodsPeripheral(direction)
-if not info then
-	print("No info found, exiting.")
-	return
-end
-
-displayMethodsPeripheral(info)

menu.lua

@@ -0,0 +1,94 @@
+MainMenu = {}
+
+local function getSizeOfScreen()
+    local x, y = term.getSize()
+    return x, y
+end
+
+local function initMenu()
+    -- do a menu for computer craft
+    local menuItems = {
+        { name = "Get Method", action = function() shell.run("getMethodsPeripheral") end },
+        { name = "Settings",   action = function() print("Opening settings...") end },
+        { name = "Exit",       action = function() print("Exiting...") end }
+    }
+    -- put the item in MainMenu
+    for _, item in ipairs(menuItems) do
+        table.insert(MainMenu, item)
+    end
+end
+
+
+local function displayMenu()
+    local selected = 1
+    local function drawTitle()
+        local x, y = getSizeOfScreen()
+        local title = " Main Menu "
+        term.setTextColor(colors.yellow)
+        local decorator = '='
+        term.write(string.rep(decorator, math.floor((x - #title) / 2)))
+        term.setCursorPos(math.floor((x - #title) / 2) + 1, 1)
+        print(title)
+        term.setCursorPos(math.floor((x + #title) / 2) + 1, 1)
+        term.write(string.rep(decorator, math.ceil((x - #title) / 2)))
+        term.setTextColor(colors.white)
+        term.write(string.rep(decorator, x))
+    end
+
+    local function drawMenuItems(selected)
+        for i, item in ipairs(MainMenu) do
+            term.setCursorPos(1, i + 2)
+            if i == selected then
+                term.setTextColor(colors.yellow)
+            else
+                term.setTextColor(colors.white)
+            end
+            -- put the item in the center and add [ ] before item
+            local itemText = string.format("[%s] %s", i == selected and ">" or " ", item.name)
+            local x, _ = getSizeOfScreen()
+            local padding = math.max(0, (x - #itemText) / 2)
+            term.write(string.rep(" ", padding) .. itemText)
+            term.setCursorPos(1, i + 2)
+            term.write(string.rep(" ", x - padding - #itemText))
+            term.setCursorPos(1, i + 2)
+            term.setTextColor(colors.white)
+        end
+    end
+
+    local function handleKey(selected)
+        local event, key = os.pullEvent("key")
+        if key == keys.up then
+            selected = selected - 1
+            if selected < 1 then selected = #MainMenu end
+        elseif key == keys.down then
+            selected = selected + 1
+            if selected > #MainMenu then selected = 1 end
+        elseif key == keys.enter then
+            term.setTextColor(colors.white)
+            term.clear()
+            term.setCursorPos(1, 1)
+            MainMenu[selected].action()
+            return selected, true
+        end
+        return selected, false
+    end
+
+    while true do
+        term.clear()
+        term.setCursorPos(1, 1)
+        drawTitle()
+        term.setTextColor(colors.white)
+        term.setCursorPos(1, 3)
+        drawMenuItems(selected)
+        selected, done = handleKey(selected)
+        if done then break end
+    end
+    term.setTextColor(colors.white)
+end
+
+function Main()
+    initMenu()
+    displayMenu()
+end
+
+Main()