Module:Property navbox

local p = {}
local protected = {}

local _frame
local lang, namespace
local i18n
local categories = {}

protected.fb = require 'Module:Fallback'

function protected.getFrame()
	if not _frame then
		_frame = mw.getCurrentFrame()
	end
	return _frame
end

function protected.getLang()
	if not lang then
		lang = protected.getFrame():preprocess('{{int:lang}}')
	end
	return lang
end

function protected.setLang(arg)
	if not lang then
		lang = arg
		return true
	else
		return false
	end
end

function protected.getNamespace()
	if not namespace then
		namespace = protected.getFrame():preprocess('{{NAMESPACE}}')
	end
	return namespace
end

function protected.addCategory(catname)
	if catname then
		table.insert(categories, '[[Category:' .. catname .. ']]')
	end
end

function protected.translate(str)
	local lang = protected.getLang()
	return mw.language.new(lang):ucfirst(protected.fb.translate(i18n, str, lang))
end

function protected.highlightDollarInFormatter(value)
	local split = mw.text.split(value, '$1', true)
	for i in pairs(split) do
		split[i] = mw.text.nowiki(split[i])
	end
	return table.concat(split, "'''$1'''")
end

function protected.main(frame)
	_frame = frame
	i18n = p.getI18n()
	local args = {}
	for i, j in pairs(frame:getParent().args) do
		if j ~= '' then args[i] = j end
	end
	p.init(args)
	local obj = mw.html.create('div')
		:addClass('property-navibox')
		:attr('dir', mw.getLanguage(protected.getLang()):getDir())
		:wikitext(frame:extensionTag('templatestyles', '', {src = 'Module:Property navbox/styles.css'}))
		:tag('div')
			:addClass('property-navibox-header')
			:tag('ul')
				:addClass('property-navibox-links plainlinks')
				:wikitext('<li>' .. table.concat(p.links(args), '</li>\n<li>') .. '</li>')
				:done()
			:tag('div')
				:wikitext(p.header(args))
				:allDone()

	local maindiv = mw.html.create('div')
		:addClass('property-navibox-main')
		:tag('table')
	for _, row in ipairs(p.rows) do
		if not row.label then
			return error("No label defined")
		end
		local label = row.label
		if string.sub(label, 1, 8) == 'example ' then
			local formatNum = require('Module:Formatnum')
			label = mw.ustring.format(p.translate('example-num'),
				formatNum.formatNum(tonumber(string.sub(label, 8)), protected.getLang()))
		else
			label = p.translate(label)
		end
		local val = p.makeRow(row, args)
		if val then
			local node = mw.html.create('tr')
				:tag('th')
					:wikitext(label)
					:done()
				:tag('td')
					:wikitext(val)
					:allDone()
			maindiv:node(node)
		end
	end

	obj:node(maindiv:allDone()):allDone()
	return tostring(p.before(args)) .. tostring(obj) .. tostring(p.after(args)) .. table.concat(categories, '')
end

protected.makedoc = protected.main
--------------------------------------------------------------------------------
p.rows = {}

function p.getI18n()
	return {}
end

function p.init(args)
	
end

function p.before(args)
	return ''
end

function p.header(args)
	return ''
end

function p.links(args)
	return {}
end

function p.makeRow(row, data)
	return nil
end

function p.after(args)
	return ''
end

setmetatable(p, {
	__index = protected,
	__newindex = function(t, key, value)
		if protected[key] then
			return error()
		end
		return value
	end
})

return p