มอดูล:Navbox

require('strict')
local p = {}
local navbar = require('มอดูล:Navbar')._navbar
local cfg = mw.loadData('มอดูล:Navbox/configuration')
local getArgs -- lazily initialized
local args
local format = string.format
local function striped(wikitext, border)
	-- Return wikitext with markers replaced for odd/even striping.
	-- Child (subgroup) navboxes are flagged with a category that is removed
	-- by parent navboxes. The result is that the category shows all pages
	-- where a child navbox is not contained in a parent navbox.
	local orphanCat = cfg.category.orphan
	if border == cfg.keyword.border_subgroup and argscfg.arg.orphan ~= cfg.keyword.orphan_yes then
		-- No change; striping occurs in outermost navbox.
		return wikitext .. orphanCat
	end
	local first, second = cfg.class.navbox_odd_part, cfg.class.navbox_even_part
	if argscfg.arg.evenodd then
		if argscfg.arg.evenodd == cfg.keyword.evenodd_swap then
			first, second = second, first
		else
			first = argscfg.arg.evenodd
			second = first
		end
	end
	local changer
	if first == second then
		changer = first
	else
		local index = 0
		changer = function (code)
			if code == '0' then
				-- Current occurrence is for a group before a nested table.
				-- Set it to first as a valid although pointless class.
				-- The next occurrence will be the first row after a title
				-- in a subgroup and will also be first.
				index = 0
				return first
			end
			index = index + 1
			return index % 2 == 1 and first or second
		end
	end
	local regex = orphanCat:gsub('(%%)', '%%%1')
	return (wikitext:gsub(regex, ):gsub(cfg.marker.regex, changer)) -- () omits gsub count
end
local function processItem(item, nowrapitems)
	if item:sub(1, 2) == '
		-- Applying nowrap to lines in a table does not make sense.
		-- Add newlines to compensate for trim of x in |parm=x in a template.
		return '\n' .. item ..'\n'
	end
	if nowrapitems == cfg.keyword.nowrapitems_yes then
		local lines = {}
		for line in (item .. '\n'):gmatch('(^\n*)\n') do
			local prefix, content = line:match('^(*:;#+)%s*(.*)')
			if prefix and not content:match(cfg.pattern.nowrap) then
				line = format(cfg.nowrap_item, prefix, content)
			end
			table.insert(lines, line)
		end
		item = table.concat(lines, '\n')
	end
	if item:match('^*:;#') then
		return '\n' .. item ..'\n'
	end
	return item
end
local function has_navbar()
	return argscfg.arg.navbar ~= cfg.keyword.navbar_off
		and argscfg.arg.navbar ~= cfg.keyword.navbar_plain
		and (
			argscfg.arg.name
			or mw.getCurrentFrame():getParent():getTitle():gsub(cfg.pattern.sandbox, )
				~= cfg.pattern.navbox
		)
end
local function renderNavBar(titleCell)
	if has_navbar() then
		titleCell:wikitext(navbar{
			cfg.navbar.name = argscfg.arg.name,
			cfg.navbar.mini = 1,
			cfg.navbar.fontstyle = (argscfg.arg.basestyle or ) .. ';' ..
				(argscfg.arg.titlestyle or ) ..
				';background:none transparent;border:none;box-shadow:none;padding:0;'
		})
	end
end
local function renderTitleRow(tbl)
	if not argscfg.arg.title then return end
	local titleRow = tbl:tag('tr')
	local titleCell = titleRow:tag('th'):attr('scope', 'col')
	local titleColspan = 2
	if argscfg.arg.imageleft then titleColspan = titleColspan + 1 end
	if argscfg.arg.image then titleColspan = titleColspan + 1 end
	titleCell
		:cssText(argscfg.arg.basestyle)
		:cssText(argscfg.arg.titlestyle)
		:addClass(cfg.class.navbox_title)
		:attr('colspan', titleColspan)
	renderNavBar(titleCell)
	titleCell
		:tag('div')
			-- id for aria-labelledby attribute
			:attr('id', mw.uri.anchorEncode(argscfg.arg.title))
			:addClass(argscfg.arg.titleclass)
			:css('font-size', '114%')
			:css('margin', '0 4em')
			:wikitext(processItem(argscfg.arg.title))
end
local function getAboveBelowColspan()
	local ret = 2
	if argscfg.arg.imageleft then ret = ret + 1 end
	if argscfg.arg.image then ret = ret + 1 end
	return ret
end
local function renderAboveRow(tbl)
	if not argscfg.arg.above then return end
	tbl:tag('tr')
		:tag('td')
			:addClass(cfg.class.navbox_abovebelow)
			:addClass(argscfg.arg.aboveclass)
			:cssText(argscfg.arg.basestyle)
			:cssText(argscfg.arg.abovestyle)
			:attr('colspan', getAboveBelowColspan())
			:tag('div')
				-- id for aria-labelledby attribute, if no title
				:attr('id', (not argscfg.arg.title) and mw.uri.anchorEncode(argscfg.arg.above) or nil)
				:wikitext(processItem(argscfg.arg.above, argscfg.arg.nowrapitems))
end
local function renderBelowRow(tbl)
	if not argscfg.arg.below then return end
	tbl:tag('tr')
		:tag('td')
			:addClass(cfg.class.navbox_abovebelow)
			:addClass(argscfg.arg.belowclass)
			:cssText(argscfg.arg.basestyle)
			:cssText(argscfg.arg.belowstyle)
			:attr('colspan', getAboveBelowColspan())
			:tag('div')
				:wikitext(processItem(argscfg.arg.below, argscfg.arg.nowrapitems))
end
local function renderListRow(tbl, index, listnum, listnums_size)
	local row = tbl:tag('tr')
	if index == 1 and argscfg.arg.imageleft then
		row
			:tag('td')
				:addClass(cfg.class.noviewer)
				:addClass(cfg.class.navbox_image)
				:addClass(argscfg.arg.imageclass)
				:css('width', '1px')               -- Minimize width
				:css('padding', '0 2px 0 0')
				:cssText(argscfg.arg.imageleftstyle)
				:attr('rowspan', listnums_size)
				:tag('div')
					:wikitext(processItem(argscfg.arg.imageleft))
	end
	local group_and_num = format(cfg.arg.group_and_num, listnum)
	local groupstyle_and_num = format(cfg.arg.groupstyle_and_num, listnum)
	if argsgroup_and_num then
		local groupCell = row:tag('th')
		-- id for aria-labelledby attribute, if lone group with no title or above
		if listnum == 1 and not (argscfg.arg.title or argscfg.arg.above or argscfg.arg.group2) then
			groupCell
				:attr('id', mw.uri.anchorEncode(argscfg.arg.group1))
		end
		groupCell
			:attr('scope', 'row')
			:addClass(cfg.class.navbox_group)
			:addClass(argscfg.arg.groupclass)
			:cssText(argscfg.arg.basestyle)
			-- If groupwidth not specified, minimize width
			:css('width', argscfg.arg.groupwidth or '1%')
		groupCell
			:cssText(argscfg.arg.groupstyle)
			:cssText(argsgroupstyle_and_num)
			:wikitext(argsgroup_and_num)
	end
	local listCell = row:tag('td')
	if argsgroup_and_num then
		listCell
			:addClass(cfg.class.navbox_list_with_group)
	else
		listCell:attr('colspan', 2)
	end
	if not argscfg.arg.groupwidth then
		listCell:css('width', '100%')
	end
	local rowstyle  -- usually nil so cssText(rowstyle) usually adds nothing
	if index % 2 == 1 then
		rowstyle = argscfg.arg.oddstyle
	else
		rowstyle = argscfg.arg.evenstyle
	end
	local list_and_num = format(cfg.arg.list_and_num, listnum)
	local listText = argslist_and_num
	local oddEven = cfg.marker.oddeven
	if listText:sub(1, 12) == ' plainlist is best-effort to preserve old Common.css ordering.
	-- this ordering is not a guarantee because most navboxes will emit only
	-- one of these classes hlist_note
	return hlist_styles .. plainlist_styles
end
local function needsHorizontalLists(border)
	if border == cfg.keyword.border_subgroup or argscfg.arg.tracking == cfg.keyword.tracking_no then
		return false
	end
	return not has_list_class(cfg.pattern.hlist) and not has_list_class(cfg.pattern.plainlist)
end
local function hasBackgroundColors()
	for _, key in ipairs({cfg.arg.titlestyle, cfg.arg.groupstyle,
		cfg.arg.basestyle, cfg.arg.abovestyle, cfg.arg.belowstyle}) do
		if tostring(argskey):find('background', 1, true) then
			return true
		end
	end
	return false
end
local function hasBorders()
	for _, key in ipairs({cfg.arg.groupstyle, cfg.arg.basestyle,
		cfg.arg.abovestyle, cfg.arg.belowstyle}) do
		if tostring(argskey):find('border', 1, true) then
			return true
		end
	end
	return false
end
local function isIllegible()
	local styleratio = require('มอดูล:Color contrast')._styleratio
	for key, style in pairs(args) do
		if tostring(key):match(cfg.pattern.style) then
			if styleratio{mw.text.unstripNoWiki(style)}  to avoid the padding being applied, and at the
		-- end add a  to balance out the parent's 
		res
			:wikitext()
			:node(tbl)
			:wikitext()
	else
		res:node(add_navbox_styles(hiding_templatestyles))
		local nav = res:tag('div')
			:attr('role', 'navigation')
			:addClass(cfg.class.navbox)
			:addClass(argscfg.arg.navboxclass)
			:cssText(argscfg.arg.bodystyle)
			:cssText(argscfg.arg.style)
			:css('padding', '3px')
			:node(tbl)
		-- aria-labelledby title, otherwise above, otherwise lone group
		if argscfg.arg.title or argscfg.arg.above
			or (argscfg.arg.group1 and not argscfg.arg.group2) then
			nav:attr(
				'aria-labelledby',
				mw.uri.anchorEncode(argscfg.arg.title or argscfg.arg.above or argscfg.arg.group1)
			)
		else
			nav:attr('aria-label', cfg.aria_label)
		end
	end
	if (argscfg.arg.nocat or cfg.keyword.nocat_false):lower() == cfg.keyword.nocat_false then
		renderTrackingCategories(res, border)
	end
	return striped(tostring(res), border)
end
function p.navbox(frame)
	if not getArgs then
		getArgs = require('มอดูล:Arguments').getArgs
	end
	args = getArgs(frame, {wrappers = {cfg.pattern.navbox}})
	-- Read the arguments in the order they'll be output in, to make references
	-- number in the right order.
	local _
	_ = argscfg.arg.title
	_ = argscfg.arg.above
	-- Limit this to 20 as covering 'most' cases (that's a SWAG) and because
	-- iterator approach won't work here
	for i = 1, 20 do
		_ = argsformat(cfg.arg.group_and_num, i)
		_ = argsformat(cfg.arg.list_and_num, i)
	end
	_ = argscfg.arg.below
	return p._navbox(args)
end
return p