Module:Tabs

Documentation for this module may be created at Module:Tabs/doc

local getArgument = require('Module:Arguments').getArgument

local p = {}

function trim(s) -- Allows removing of whitespace and line breaks from inputs; adapted from (https://www.lua.org/manual/2.4/node32.html)
	local l = 1
	while string.sub(s,l,l) == ' ' do
	l = l+1
	end
	while string.sub(s,l,l+1) == '\n' do
	l = l+2
	end
	local r = string.len(s)
	while string.sub(s,r,r) == ' ' do
	r = r-1
	end
	while string.sub(s,r,r-1) == '\n' do
	r = r-2
	end
	return string.sub(s,l,r)
end

function p.Main(frame)
	local oArgs = frame:getParent().args
	local args = {}
	for k, v in pairs(oArgs) do
		v = v:match('^%s*(.-)%s*$')
		if v ~= '' then
			args[k] = v
		end
	end
	local i = 0
	if args['active'] ~= nil then
		active = tonumber(trim(args['active']))
	else
		active = 1
	end
	if args[1] and args[2] then
		local header = mw.html.create( 'div' ):addClass('g-tab-header')
		local contents = mw.html.create( 'div' ):addClass('g-tab-contents')
		repeat
			tab = mw.html.create( 'span' ):addClass('g-tab'):wikitext(trim(args[i+1]))
			if string.sub(trim(args[i+2]),1,8) == '<nowiki>' and string.sub(trim(args[i+2]),-9,-1) == '</nowiki>' then
				args[i+2] = mw.text.unstripNoWiki(args[i+2])
				args[i+2] = mw.getCurrentFrame():preprocess(args[i+2])
			end
			tabcontent = mw.html.create( 'div' ):addClass('g-tab-content'):wikitext('\n' .. trim(args[i+2]) .. '\n')
			if active == (i + 2) * 0.5 then
				tab = tab:addClass('g-tab-active')
				tabcontent = tabcontent:addClass('g-tab-content-active')
			end
			header = header:node(tab)
			contents = contents:node(tabcontent)
			i = i + 2
		until args[i+1] == nil or args[i+2] == nil
		local output = mw.html.create( 'div' ):addClass('g-tab-container'):node(header):node(contents)

		return output
	else
		return 'Values not filled.'
	end
end

return p