Module:Navbox: Difference between revisions

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(Created page with "local p = {} local cfg = mw.loadData('Module:Navbar/configuration') local function get_title_arg(is_collapsible, template) local title_arg = 1 if is_collapsible then title_arg = 2 end if template then title_arg = 'template' end return title_arg end local function choose_links(template, args) -- The show table indicates the default displayed items. -- view, talk, edit, hist, move, watch -- TODO: Move to configuration. local show = {true, true, true, false, false...")
 
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local p = {}
local p = {}
local cfg = mw.loadData('Module:Navbar/configuration')
local navbar = require('Module:Navbar')._navbar
local cfg = mw.loadData('Module:Navbox/configuration')
local getArgs -- lazily initialized
local args
local format = string.format


local function get_title_arg(is_collapsible, template)
local function striped(wikitext, border)
local title_arg = 1
-- Return wikitext with markers replaced for odd/even striping.
if is_collapsible then title_arg = 2 end
-- Child (subgroup) navboxes are flagged with a category that is removed
if template then title_arg = 'template' end
-- by parent navboxes. The result is that the category shows all pages
return title_arg
-- where a child navbox is not contained in a parent navbox.
local orphanCat = cfg.category.orphan
if border == cfg.keyword.border_subgroup and args[cfg.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 args[cfg.arg.evenodd] then
if args[cfg.arg.evenodd] == cfg.keyword.evenodd_swap then
first, second = second, first
else
first = args[cfg.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
end


local function choose_links(template, args)
local function processItem(item, nowrapitems)
-- The show table indicates the default displayed items.
if item:sub(1, 2) == '{|' then
-- view, talk, edit, hist, move, watch
-- Applying nowrap to lines in a table does not make sense.
-- TODO: Move to configuration.
-- Add newlines to compensate for trim of x in |parm=x in a template.
local show = {true, true, true, false, false, false}
return '\n' .. item ..'\n'
if template then
end
show[2] = false
if nowrapitems == cfg.keyword.nowrapitems_yes then
show[3] = false
local lines = {}
local index = {t = 2, d = 2, e = 3, h = 4, m = 5, w = 6,
for line in (item .. '\n'):gmatch('([^\n]*)\n') do
talk = 2, edit = 3, hist = 4, move = 5, watch = 6}
local prefix, content = line:match('^([*:;#]+)%s*(.*)')
-- TODO: Consider removing TableTools dependency.
if prefix and not content:match(cfg.pattern.nowrap) then
for _, v in ipairs(require ('Module:TableTools').compressSparseArray(args)) do
line = format(cfg.nowrap_item, prefix, content)
local num = index[v]
end
if num then show[num] = true end
table.insert(lines, line)
end
end
item = table.concat(lines, '\n')
end
if item:match('^[*:;#]') then
return '\n' .. item ..'\n'
end
return item
end
-- we will want this later when we want to add tstyles for hlist/plainlist
local function has_navbar()
return args[cfg.arg.navbar] ~= cfg.keyword.navbar_off
and args[cfg.arg.navbar] ~= cfg.keyword.navbar_plain
and (
args[cfg.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] = args[cfg.arg.name],
[cfg.navbar.mini] = 1,
[cfg.navbar.fontstyle] = (args[cfg.arg.basestyle] or '') .. ';' ..
(args[cfg.arg.titlestyle] or '') ..
';background:none transparent;border:none;box-shadow:none;padding:0;'
})
end
end


local remove_edit_link = args.noedit
if remove_edit_link then show[3] = false end
return show
end
end


local function add_link(link_description, ul, is_mini, font_style)
local function renderTitleRow(tbl)
local l
if not args[cfg.arg.title] then return end
if link_description.url then
 
l = {'[', '', ']'}
local titleRow = tbl:tag('tr')
 
if args[cfg.arg.titlegroup] then
titleRow
:tag('th')
:attr('scope', 'row')
:addClass(cfg.class.navbox_group)
:addClass(args[cfg.arg.titlegroupclass])
:cssText(args[cfg.arg.basestyle])
:cssText(args[cfg.arg.groupstyle])
:cssText(args[cfg.arg.titlegroupstyle])
:wikitext(args[cfg.arg.titlegroup])
end
 
local titleCell = titleRow:tag('th'):attr('scope', 'col')
 
if args[cfg.arg.titlegroup] then
titleCell
:css('border-left', '2px solid #fdfdfd')
:css('width', '100%')
end
 
local titleColspan = 2
if args[cfg.arg.imageleft] then titleColspan = titleColspan + 1 end
if args[cfg.arg.image] then titleColspan = titleColspan + 1 end
if args[cfg.arg.titlegroup] then titleColspan = titleColspan - 1 end
 
titleCell
:cssText(args[cfg.arg.basestyle])
:cssText(args[cfg.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(args[cfg.arg.title]))
:addClass(args[cfg.arg.titleclass])
:css('font-size', '114%')
:css('margin', '0 4em')
:wikitext(processItem(args[cfg.arg.title]))
end
 
local function getAboveBelowColspan()
local ret = 2
if args[cfg.arg.imageleft] then ret = ret + 1 end
if args[cfg.arg.image] then ret = ret + 1 end
return ret
end
 
local function renderAboveRow(tbl)
if not args[cfg.arg.above] then return end
 
tbl:tag('tr')
:tag('td')
:addClass(cfg.class.navbox_abovebelow)
:addClass(args[cfg.arg.aboveclass])
:cssText(args[cfg.arg.basestyle])
:cssText(args[cfg.arg.abovestyle])
:attr('colspan', getAboveBelowColspan())
:tag('div')
-- id for aria-labelledby attribute, if no title
:attr('id', args[cfg.arg.title] and nil or mw.uri.anchorEncode(args[cfg.arg.above]))
:wikitext(processItem(args[cfg.arg.above], args[cfg.arg.nowrapitems]))
end
 
local function renderBelowRow(tbl)
if not args[cfg.arg.below] then return end
 
tbl:tag('tr')
:tag('td')
:addClass(cfg.class.navbox_abovebelow)
:addClass(args[cfg.arg.belowclass])
:cssText(args[cfg.arg.basestyle])
:cssText(args[cfg.arg.belowstyle])
:attr('colspan', getAboveBelowColspan())
:tag('div')
:wikitext(processItem(args[cfg.arg.below], args[cfg.arg.nowrapitems]))
end
 
local function renderListRow(tbl, index, listnum, listnums_size)
local row = tbl:tag('tr')
 
if index == 1 and args[cfg.arg.imageleft] then
row
:tag('td')
:addClass(cfg.class.noviewer)
:addClass(cfg.class.navbox_image)
:addClass(args[cfg.arg.imageclass])
:css('width', '1px')              -- Minimize width
:css('padding', '0 2px 0 0')
:cssText(args[cfg.arg.imageleftstyle])
:attr('rowspan', listnums_size)
:tag('div')
:wikitext(processItem(args[cfg.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 args[group_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 (args[cfg.arg.title] or args[cfg.arg.above] or args[cfg.arg.group2]) then
groupCell
:attr('id', mw.uri.anchorEncode(args[cfg.arg.group1]))
end
 
groupCell
:attr('scope', 'row')
:addClass(cfg.class.navbox_group)
:addClass(args[cfg.arg.groupclass])
:cssText(args[cfg.arg.basestyle])
-- If groupwidth not specified, minimize width
:css('width', args[cfg.arg.groupwidth] or '1%')
 
groupCell
:cssText(args[cfg.arg.groupstyle])
:cssText(args[groupstyle_and_num])
:wikitext(args[group_and_num])
end
 
local listCell = row:tag('td')
 
if args[group_and_num] then
listCell
:addClass(cfg.class.navbox_list_with_group)
else
listCell:attr('colspan', 2)
end
 
if not args[cfg.arg.groupwidth] then
listCell:css('width', '100%')
end
 
local rowstyle  -- usually nil so cssText(rowstyle) usually adds nothing
if index % 2 == 1 then
rowstyle = args[cfg.arg.oddstyle]
else
else
l = {'[[', '|', ']]'}
rowstyle = args[cfg.arg.evenstyle]
end
 
local list_and_num = format(cfg.arg.list_and_num, listnum)
local listText = args[list_and_num]
local oddEven = cfg.marker.oddeven
if listText:sub(1, 12) == '</div><table' then
-- Assume list text is for a subgroup navbox so no automatic striping for this row.
oddEven = listText:find(cfg.pattern.navbox_title) and cfg.marker.restart or cfg.class.navbox_odd_part
end
 
local liststyle_and_num = format(cfg.arg.liststyle_and_num, listnum)
local listclass_and_num = format(cfg.arg.listclass_and_num, listnum)
listCell
:css('padding', '0')
:cssText(args[cfg.arg.liststyle])
:cssText(rowstyle)
:cssText(args[liststyle_and_num])
:addClass(cfg.class.navbox_list)
:addClass(cfg.class.navbox_part .. oddEven)
:addClass(args[cfg.arg.listclass])
:addClass(args[listclass_and_num])
:tag('div')
:css('padding',
(index == 1 and args[cfg.arg.list1padding]) or args[cfg.arg.listpadding] or '0 0.25em'
)
:wikitext(processItem(listText, args[cfg.arg.nowrapitems]))
 
if index == 1 and args[cfg.arg.image] then
row
:tag('td')
:addClass(cfg.class.noviewer)
:addClass(cfg.class.navbox_image)
:addClass(args[cfg.arg.imageclass])
:css('width', '1px')              -- Minimize width
:css('padding', '0 0 0 2px')
:cssText(args[cfg.arg.imagestyle])
:attr('rowspan', listnums_size)
:tag('div')
:wikitext(processItem(args[cfg.arg.image]))
end
end
ul:tag('li')
:addClass('nv-' .. link_description.full)
:wikitext(l[1] .. link_description.link .. l[2])
:tag(is_mini and 'abbr' or 'span')
:attr('title', link_description.html_title)
:cssText(font_style)
:wikitext(is_mini and link_description.mini or link_description.full)
:done()
:wikitext(l[3])
:done()
end
end


local function make_list(title_text, has_brackets, displayed_links, is_mini, font_style)
-- uses this now to make the needHlistCategory correct
-- to use later for when we add list styles via navbox
local function has_list_class(htmlclass)
local class_args = { -- rough order of probability of use
cfg.arg.bodyclass, cfg.arg.listclass, cfg.arg.aboveclass,
cfg.arg.belowclass, cfg.arg.titleclass, cfg.arg.navboxclass,
cfg.arg.groupclass, cfg.arg.titlegroupclass, cfg.arg.imageclass
}
local patterns = {
'^' .. htmlclass .. '$',
'%s' .. htmlclass .. '$',
'^' .. htmlclass .. '%s',
'%s' .. htmlclass .. '%s'
}
local title = mw.title.new(mw.text.trim(title_text), cfg.title_namespace)
for _, arg in ipairs(class_args) do
if not title then
for _, pattern in ipairs(patterns) do
error(cfg.invalid_title .. title_text)
if mw.ustring.find(args[arg] or '', pattern) then
return true
end
end
end
return false
end
 
local function needsHorizontalLists(border)
if border == cfg.keyword.border_subgroup or args[cfg.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(args[key]):find('background', 1, true) then
return true
end
end
return false
end
 
local function hasTitleGroup()
if args[cfg.arg.titlegroup] and args[cfg.arg.titlegroup] ~= '' then
return true
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(args[key]):find('border', 1, true) then
return true
end
end
return false
end
 
local function isIllegible()
local styleratio = require('Module:Color contrast')._styleratio
for key, style in pairs(args) do
if tostring(key):match(cfg.pattern.style) then
if styleratio{mw.text.unstripNoWiki(style)} < 4.5 then
return true
end
end
end
return false
end
 
local function getTrackingCategories(border)
local cats = {}
if needsHorizontalLists(border) then table.insert(cats, cfg.category.horizontal_lists) end
if hasBackgroundColors() then table.insert(cats, cfg.category.background_colors) end
if isIllegible() then table.insert(cats, cfg.category.illegible) end
if hasBorders() then table.insert(cats, cfg.category.borders) end
if hasTitleGroup() then table.insert(cats, cfg.category.titlegroup) end
return cats
end
 
local function renderTrackingCategories(builder, border)
local title = mw.title.getCurrentTitle()
if title.namespace ~= 10 then return end -- not in template space
local subpage = title.subpageText
if subpage == cfg.keyword.subpage_doc or subpage == cfg.keyword.subpage_sandbox
or subpage == cfg.keyword.subpage_testcases then return end
 
for _, cat in ipairs(getTrackingCategories(border)) do
builder:wikitext('[[Category:' .. cat .. ']]')
end
end
 
local function renderMainTable(border, listnums)
local tbl = mw.html.create('table')
:addClass(cfg.class.nowraplinks)
:addClass(args[cfg.arg.bodyclass])
 
local state = args[cfg.arg.state]
if args[cfg.arg.title] and state ~= cfg.keyword.state_plain and state ~= cfg.keyword.state_off then
if state == cfg.keyword.state_collapsed then
state = cfg.class.collapsed
end
tbl
:addClass(cfg.class.collapsible)
:addClass(state or cfg.class.autocollapse)
end
end
local talkpage = title.talkPageTitle and title.talkPageTitle.fullText or ''
-- TODO: Get link_descriptions and show into the configuration module.
-- link_descriptions should be easier...
local link_descriptions = {
{ ['mini'] = 'v', ['full'] = 'view', ['html_title'] = 'View this template',
['link'] = title.fullText, ['url'] = false },
{ ['mini'] = 't', ['full'] = 'talk', ['html_title'] = 'Discuss this template',
['link'] = talkpage, ['url'] = false },
{ ['mini'] = 'e', ['full'] = 'edit', ['html_title'] = 'Edit this template',
['link'] = title:fullUrl('action=edit'), ['url'] = true },
{ ['mini'] = 'h', ['full'] = 'hist', ['html_title'] = 'History of this template',
['link'] = title:fullUrl('action=history'), ['url'] = true },
{ ['mini'] = 'm', ['full'] = 'move', ['html_title'] = 'Move this template',
['link'] = mw.title.new('Special:Movepage'):fullUrl('target='..title.fullText), ['url'] = true },
{ ['mini'] = 'w', ['full'] = 'watch', ['html_title'] = 'Watch this template',
['link'] = title:fullUrl('action=watch'), ['url'] = true }
}


local ul = mw.html.create('ul')
tbl:css('border-spacing', 0)
if has_brackets then
if border == cfg.keyword.border_subgroup or border == cfg.keyword.border_none then
ul:addClass(cfg.classes.brackets)
tbl
:cssText(font_style)
:addClass(cfg.class.navbox_subgroup)
:cssText(args[cfg.arg.bodystyle])
:cssText(args[cfg.arg.style])
else  -- regular navbox - bodystyle and style will be applied to the wrapper table
tbl
:addClass(cfg.class.navbox_inner)
:css('background', 'transparent')
:css('color', 'inherit')
end
end
tbl:cssText(args[cfg.arg.innerstyle])
for i, _ in ipairs(displayed_links) do
 
if displayed_links[i] then add_link(link_descriptions[i], ul, is_mini, font_style) end
renderTitleRow(tbl)
renderAboveRow(tbl)
local listnums_size = #listnums
for i, listnum in ipairs(listnums) do
renderListRow(tbl, i, listnum, listnums_size)
end
end
return ul:done()
renderBelowRow(tbl)
 
return tbl
end
end


function p._navbar(args)
local function add_navbox_styles()
local frame = mw.getCurrentFrame()
-- TODO: We probably don't need both fontstyle and fontcolor...
-- This is a lambda so that it doesn't need the frame as a parameter
local font_style = args.fontstyle
local function add_user_styles(templatestyles)
local font_color = args.fontcolor
if templatestyles and templatestyles ~= '' then
local is_collapsible = args.collapsible
return frame:extensionTag{
local is_mini = args.mini
name = 'templatestyles', args = { src = templatestyles }
local is_plain = args.plain
}
local collapsible_class = nil
if is_collapsible then
collapsible_class = cfg.classes.collapsible
if not is_plain then is_mini = 1 end
if font_color then
font_style = (font_style or '') .. '; color: ' .. font_color .. ';'
end
end
return ''
end
end
local navbar_style = args.style
local div = mw.html.create():tag('div')
div
:addClass(cfg.classes.navbar)
:addClass(cfg.classes.plainlinks)
:addClass(cfg.classes.horizontal_list)
:addClass(collapsible_class) -- we made the determination earlier
:cssText(navbar_style)


if is_mini then div:addClass(cfg.classes.mini) end
-- get templatestyles. load base from config so that Lua only needs to do
-- the work once of parser tag expansion
local base_templatestyles = cfg.templatestyles
local templatestyles = add_user_styles(args[cfg.arg.templatestyles])
local child_templatestyles = add_user_styles(args[cfg.arg.child_templatestyles])
 
-- The 'navbox-styles' div exists for two reasons:
--  1. To wrap the styles to work around T200206 more elegantly. Instead
--    of combinatorial rules, this ends up being linear number of CSS rules.
--  2. To allow MobileFrontend to rip the styles out with 'nomobile' such that
--    they are not dumped into the mobile view.
return mw.html.create('div')
:addClass(cfg.class.navbox_styles)
:addClass(cfg.class.nomobile)
:wikitext(base_templatestyles .. templatestyles .. child_templatestyles)
:done()
end
 
function p._navbox(navboxArgs)
args = navboxArgs
local listnums = {}
 
for k, _ in pairs(args) do
if type(k) == 'string' then
local listnum = k:match(cfg.pattern.listnum)
if listnum then table.insert(listnums, tonumber(listnum)) end
end
end
table.sort(listnums)


local box_text = (args.text or cfg.box_text) .. ' '
local border = mw.text.trim(args[cfg.arg.border] or args[1] or '')
-- the concatenated space guarantees the box text is separated
if border == cfg.keyword.border_child then
if not (is_mini or is_plain) then
border = cfg.keyword.border_subgroup
div
:tag('span')
:addClass(cfg.classes.box_text)
:cssText(font_style)
:wikitext(box_text)
end
end
local template = args.template
local displayed_links = choose_links(template, args)
local has_brackets = args.brackets
local title_arg = get_title_arg(is_collapsible, template)
local title_text = args[title_arg] or (':' .. mw.getCurrentFrame():getParent():getTitle())
local list = make_list(title_text, has_brackets, displayed_links, is_mini, font_style)
div:node(list)


if is_collapsible then
-- render the main body of the navbox
local title_text_class
local tbl = renderMainTable(border, listnums)
if is_mini then
 
title_text_class = cfg.classes.collapsible_title_mini
local res = mw.html.create()
-- render the appropriate wrapper for the navbox, based on the border param
 
if border == cfg.keyword.border_none then
res:node(add_navbox_styles())
local nav = res:tag('div')
:attr('role', 'navigation')
:node(tbl)
-- aria-labelledby title, otherwise above, otherwise lone group
if args[cfg.arg.title] or args[cfg.arg.above] or (args[cfg.arg.group1]
and not args[cfg.arg.group2]) then
nav:attr(
'aria-labelledby',
mw.uri.anchorEncode(
args[cfg.arg.title] or args[cfg.arg.above] or args[cfg.arg.group1]
)
)
else
nav:attr('aria-label', cfg.aria_label)
end
elseif border == cfg.keyword.border_subgroup then
-- We assume that this navbox is being rendered in a list cell of a
-- parent navbox, and is therefore inside a div with padding:0em 0.25em.
-- We start with a </div> to avoid the padding being applied, and at the
-- end add a <div> to balance out the parent's </div>
res
:wikitext('</div>')
:node(tbl)
:wikitext('<div>')
else
res:node(add_navbox_styles())
local nav = res:tag('div')
:attr('role', 'navigation')
:addClass(cfg.class.navbox)
:addClass(args[cfg.arg.navboxclass])
:cssText(args[cfg.arg.bodystyle])
:cssText(args[cfg.arg.style])
:css('padding', '3px')
:node(tbl)
-- aria-labelledby title, otherwise above, otherwise lone group
if args[cfg.arg.title] or args[cfg.arg.above]
or (args[cfg.arg.group1] and not args[cfg.arg.group2]) then
nav:attr(
'aria-labelledby',
mw.uri.anchorEncode(args[cfg.arg.title] or args[cfg.arg.above] or args[cfg.arg.group1])
)
else
else
title_text_class = cfg.classes.collapsible_title_full
nav:attr('aria-label', cfg.aria_label)
end
end
div:done()
:tag('div')
:addClass(title_text_class)
:cssText(font_style)
:wikitext(args[1])
end
end
 
return mw.getCurrentFrame():extensionTag{
if (args[cfg.arg.nocat] or cfg.keyword.nocat_false):lower() == cfg.keyword.nocat_false then
name = 'templatestyles', args = { src = cfg.templatestyles }
renderTrackingCategories(res, border)
} .. tostring(div:done())
end
return striped(tostring(res), border)
end
end


function p.navbar(frame)
function p.navbox(frame)
return p._navbar(require('Module:Arguments').getArgs(frame))
if not getArgs then
getArgs = require('Module: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 _
_ = args[cfg.arg.title]
_ = args[cfg.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
_ = args[format(cfg.arg.group_and_num, i)]
_ = args[format(cfg.arg.list_and_num, i)]
end
_ = args[cfg.arg.below]
 
return p._navbox(args)
end
end


return p
return p

Latest revision as of 15:33, 21 December 2021

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

local p = {}
local navbar = require('Module:Navbar')._navbar
local cfg = mw.loadData('Module: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 args[cfg.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 args[cfg.arg.evenodd] then
		if args[cfg.arg.evenodd] == cfg.keyword.evenodd_swap then
			first, second = second, first
		else
			first = args[cfg.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) == '{|' then
		-- 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

-- we will want this later when we want to add tstyles for hlist/plainlist
local function has_navbar()
	return args[cfg.arg.navbar] ~= cfg.keyword.navbar_off
		and args[cfg.arg.navbar] ~= cfg.keyword.navbar_plain
		and (
			args[cfg.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] = args[cfg.arg.name],
			[cfg.navbar.mini] = 1,
			[cfg.navbar.fontstyle] = (args[cfg.arg.basestyle] or '') .. ';' ..
				(args[cfg.arg.titlestyle] or '') ..
				';background:none transparent;border:none;box-shadow:none;padding:0;'
		})
	end

end

local function renderTitleRow(tbl)
	if not args[cfg.arg.title] then return end

	local titleRow = tbl:tag('tr')

	if args[cfg.arg.titlegroup] then
		titleRow
			:tag('th')
				:attr('scope', 'row')
				:addClass(cfg.class.navbox_group)
				:addClass(args[cfg.arg.titlegroupclass])
				:cssText(args[cfg.arg.basestyle])
				:cssText(args[cfg.arg.groupstyle])
				:cssText(args[cfg.arg.titlegroupstyle])
				:wikitext(args[cfg.arg.titlegroup])
	end

	local titleCell = titleRow:tag('th'):attr('scope', 'col')

	if args[cfg.arg.titlegroup] then
		titleCell
			:css('border-left', '2px solid #fdfdfd')
			:css('width', '100%')
	end

	local titleColspan = 2
	if args[cfg.arg.imageleft] then titleColspan = titleColspan + 1 end
	if args[cfg.arg.image] then titleColspan = titleColspan + 1 end
	if args[cfg.arg.titlegroup] then titleColspan = titleColspan - 1 end

	titleCell
		:cssText(args[cfg.arg.basestyle])
		:cssText(args[cfg.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(args[cfg.arg.title]))
			:addClass(args[cfg.arg.titleclass])
			:css('font-size', '114%')
			:css('margin', '0 4em')
			:wikitext(processItem(args[cfg.arg.title]))
end

local function getAboveBelowColspan()
	local ret = 2
	if args[cfg.arg.imageleft] then ret = ret + 1 end
	if args[cfg.arg.image] then ret = ret + 1 end
	return ret
end

local function renderAboveRow(tbl)
	if not args[cfg.arg.above] then return end

	tbl:tag('tr')
		:tag('td')
			:addClass(cfg.class.navbox_abovebelow)
			:addClass(args[cfg.arg.aboveclass])
			:cssText(args[cfg.arg.basestyle])
			:cssText(args[cfg.arg.abovestyle])
			:attr('colspan', getAboveBelowColspan())
			:tag('div')
				-- id for aria-labelledby attribute, if no title
				:attr('id', args[cfg.arg.title] and nil or mw.uri.anchorEncode(args[cfg.arg.above]))
				:wikitext(processItem(args[cfg.arg.above], args[cfg.arg.nowrapitems]))
end

local function renderBelowRow(tbl)
	if not args[cfg.arg.below] then return end

	tbl:tag('tr')
		:tag('td')
			:addClass(cfg.class.navbox_abovebelow)
			:addClass(args[cfg.arg.belowclass])
			:cssText(args[cfg.arg.basestyle])
			:cssText(args[cfg.arg.belowstyle])
			:attr('colspan', getAboveBelowColspan())
			:tag('div')
				:wikitext(processItem(args[cfg.arg.below], args[cfg.arg.nowrapitems]))
end

local function renderListRow(tbl, index, listnum, listnums_size)
	local row = tbl:tag('tr')

	if index == 1 and args[cfg.arg.imageleft] then
		row
			:tag('td')
				:addClass(cfg.class.noviewer)
				:addClass(cfg.class.navbox_image)
				:addClass(args[cfg.arg.imageclass])
				:css('width', '1px')               -- Minimize width
				:css('padding', '0 2px 0 0')
				:cssText(args[cfg.arg.imageleftstyle])
				:attr('rowspan', listnums_size)
				:tag('div')
					:wikitext(processItem(args[cfg.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 args[group_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 (args[cfg.arg.title] or args[cfg.arg.above] or args[cfg.arg.group2]) then
			groupCell
				:attr('id', mw.uri.anchorEncode(args[cfg.arg.group1]))
		end

		groupCell
			:attr('scope', 'row')
			:addClass(cfg.class.navbox_group)
			:addClass(args[cfg.arg.groupclass])
			:cssText(args[cfg.arg.basestyle])
			-- If groupwidth not specified, minimize width
			:css('width', args[cfg.arg.groupwidth] or '1%')

		groupCell
			:cssText(args[cfg.arg.groupstyle])
			:cssText(args[groupstyle_and_num])
			:wikitext(args[group_and_num])
	end

	local listCell = row:tag('td')

	if args[group_and_num] then
		listCell
			:addClass(cfg.class.navbox_list_with_group)
	else
		listCell:attr('colspan', 2)
	end

	if not args[cfg.arg.groupwidth] then
		listCell:css('width', '100%')
	end

	local rowstyle  -- usually nil so cssText(rowstyle) usually adds nothing
	if index % 2 == 1 then
		rowstyle = args[cfg.arg.oddstyle]
	else
		rowstyle = args[cfg.arg.evenstyle]
	end

	local list_and_num = format(cfg.arg.list_and_num, listnum)
	local listText = args[list_and_num]
	local oddEven = cfg.marker.oddeven
	if listText:sub(1, 12) == '</div><table' then
		-- Assume list text is for a subgroup navbox so no automatic striping for this row.
		oddEven = listText:find(cfg.pattern.navbox_title) and cfg.marker.restart or cfg.class.navbox_odd_part
	end

	local liststyle_and_num = format(cfg.arg.liststyle_and_num, listnum)
	local listclass_and_num = format(cfg.arg.listclass_and_num, listnum)
	listCell
		:css('padding', '0')
		:cssText(args[cfg.arg.liststyle])
		:cssText(rowstyle)
		:cssText(args[liststyle_and_num])
		:addClass(cfg.class.navbox_list)
		:addClass(cfg.class.navbox_part .. oddEven)
		:addClass(args[cfg.arg.listclass])
		:addClass(args[listclass_and_num])
		:tag('div')
			:css('padding',
				(index == 1 and args[cfg.arg.list1padding]) or args[cfg.arg.listpadding] or '0 0.25em'
			)
			:wikitext(processItem(listText, args[cfg.arg.nowrapitems]))

	if index == 1 and args[cfg.arg.image] then
		row
			:tag('td')
				:addClass(cfg.class.noviewer)
				:addClass(cfg.class.navbox_image)
				:addClass(args[cfg.arg.imageclass])
				:css('width', '1px')               -- Minimize width
				:css('padding', '0 0 0 2px')
				:cssText(args[cfg.arg.imagestyle])
				:attr('rowspan', listnums_size)
				:tag('div')
					:wikitext(processItem(args[cfg.arg.image]))
	end
end

-- uses this now to make the needHlistCategory correct
-- to use later for when we add list styles via navbox
local function has_list_class(htmlclass)
	local class_args = { -- rough order of probability of use
		cfg.arg.bodyclass, cfg.arg.listclass, cfg.arg.aboveclass,
		cfg.arg.belowclass, cfg.arg.titleclass, cfg.arg.navboxclass,
		cfg.arg.groupclass, cfg.arg.titlegroupclass, cfg.arg.imageclass
	}
	local patterns = {
		'^' .. htmlclass .. '$',
		'%s' .. htmlclass .. '$',
		'^' .. htmlclass .. '%s',
		'%s' .. htmlclass .. '%s'
	}
	
	for _, arg in ipairs(class_args) do
		for _, pattern in ipairs(patterns) do
			if mw.ustring.find(args[arg] or '', pattern) then
				return true
			end
		end
	end
	return false
end

local function needsHorizontalLists(border)
	if border == cfg.keyword.border_subgroup or args[cfg.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(args[key]):find('background', 1, true) then
			return true
		end
	end
	return false
end

local function hasTitleGroup()
	if args[cfg.arg.titlegroup] and args[cfg.arg.titlegroup] ~= '' then
		return true
	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(args[key]):find('border', 1, true) then
			return true
		end
	end
	return false
end

local function isIllegible()
	local styleratio = require('Module:Color contrast')._styleratio
	for key, style in pairs(args) do
		if tostring(key):match(cfg.pattern.style) then
			if styleratio{mw.text.unstripNoWiki(style)} < 4.5 then
				return true
			end
		end
	end
	return false
end

local function getTrackingCategories(border)
	local cats = {}
	if needsHorizontalLists(border) then table.insert(cats, cfg.category.horizontal_lists) end
	if hasBackgroundColors() then table.insert(cats, cfg.category.background_colors) end
	if isIllegible() then table.insert(cats, cfg.category.illegible) end
	if hasBorders() then table.insert(cats, cfg.category.borders) end
	if hasTitleGroup() then table.insert(cats, cfg.category.titlegroup) end
	return cats
end

local function renderTrackingCategories(builder, border)
	local title = mw.title.getCurrentTitle()
	if title.namespace ~= 10 then return end -- not in template space
	local subpage = title.subpageText
	if subpage == cfg.keyword.subpage_doc or subpage == cfg.keyword.subpage_sandbox
		or subpage == cfg.keyword.subpage_testcases then return end

	for _, cat in ipairs(getTrackingCategories(border)) do
		builder:wikitext('[[Category:' .. cat .. ']]')
	end
end

local function renderMainTable(border, listnums)
	local tbl = mw.html.create('table')
		:addClass(cfg.class.nowraplinks)
		:addClass(args[cfg.arg.bodyclass])

	local state = args[cfg.arg.state]
	if args[cfg.arg.title] and state ~= cfg.keyword.state_plain and state ~= cfg.keyword.state_off then
		if state == cfg.keyword.state_collapsed then
			state = cfg.class.collapsed
		end
		tbl
			:addClass(cfg.class.collapsible)
			:addClass(state or cfg.class.autocollapse)
	end

	tbl:css('border-spacing', 0)
	if border == cfg.keyword.border_subgroup or border == cfg.keyword.border_none then
		tbl
			:addClass(cfg.class.navbox_subgroup)
			:cssText(args[cfg.arg.bodystyle])
			:cssText(args[cfg.arg.style])
	else  -- regular navbox - bodystyle and style will be applied to the wrapper table
		tbl
			:addClass(cfg.class.navbox_inner)
			:css('background', 'transparent')
			:css('color', 'inherit')
	end
	tbl:cssText(args[cfg.arg.innerstyle])

	renderTitleRow(tbl)
	renderAboveRow(tbl)
	local listnums_size = #listnums
	for i, listnum in ipairs(listnums) do
		renderListRow(tbl, i, listnum, listnums_size)
	end
	renderBelowRow(tbl)

	return tbl
end

local function add_navbox_styles()
	local frame = mw.getCurrentFrame()
	-- This is a lambda so that it doesn't need the frame as a parameter
	local function add_user_styles(templatestyles)
		if templatestyles and templatestyles ~= '' then
			return frame:extensionTag{
				name = 'templatestyles', args = { src = templatestyles }
			}
		end
		return ''
	end

	-- get templatestyles. load base from config so that Lua only needs to do
	-- the work once of parser tag expansion
	local base_templatestyles = cfg.templatestyles
	local templatestyles = add_user_styles(args[cfg.arg.templatestyles])
	local child_templatestyles = add_user_styles(args[cfg.arg.child_templatestyles])

	-- The 'navbox-styles' div exists for two reasons:
	--  1. To wrap the styles to work around T200206 more elegantly. Instead
	--     of combinatorial rules, this ends up being linear number of CSS rules.
	--  2. To allow MobileFrontend to rip the styles out with 'nomobile' such that
	--     they are not dumped into the mobile view.
	return mw.html.create('div')
		:addClass(cfg.class.navbox_styles)
		:addClass(cfg.class.nomobile)
		:wikitext(base_templatestyles .. templatestyles .. child_templatestyles)
		:done()
end

function p._navbox(navboxArgs)
	args = navboxArgs
	local listnums = {}

	for k, _ in pairs(args) do
		if type(k) == 'string' then
			local listnum = k:match(cfg.pattern.listnum)
			if listnum then table.insert(listnums, tonumber(listnum)) end
		end
	end
	table.sort(listnums)

	local border = mw.text.trim(args[cfg.arg.border] or args[1] or '')
	if border == cfg.keyword.border_child then
		border = cfg.keyword.border_subgroup
	end

	-- render the main body of the navbox
	local tbl = renderMainTable(border, listnums)

	local res = mw.html.create()
	-- render the appropriate wrapper for the navbox, based on the border param

	if border == cfg.keyword.border_none then
		res:node(add_navbox_styles())
		local nav = res:tag('div')
			:attr('role', 'navigation')
			:node(tbl)
		-- aria-labelledby title, otherwise above, otherwise lone group
		if args[cfg.arg.title] or args[cfg.arg.above] or (args[cfg.arg.group1]
			and not args[cfg.arg.group2]) then
			nav:attr(
				'aria-labelledby',
				mw.uri.anchorEncode(
					args[cfg.arg.title] or args[cfg.arg.above] or args[cfg.arg.group1]
				)
			)
		else
			nav:attr('aria-label', cfg.aria_label)
		end
	elseif border == cfg.keyword.border_subgroup then
		-- We assume that this navbox is being rendered in a list cell of a
		-- parent navbox, and is therefore inside a div with padding:0em 0.25em.
		-- We start with a </div> to avoid the padding being applied, and at the
		-- end add a <div> to balance out the parent's </div>
		res
			:wikitext('</div>')
			:node(tbl)
			:wikitext('<div>')
	else
		res:node(add_navbox_styles())
		local nav = res:tag('div')
			:attr('role', 'navigation')
			:addClass(cfg.class.navbox)
			:addClass(args[cfg.arg.navboxclass])
			:cssText(args[cfg.arg.bodystyle])
			:cssText(args[cfg.arg.style])
			:css('padding', '3px')
			:node(tbl)
		-- aria-labelledby title, otherwise above, otherwise lone group
		if args[cfg.arg.title] or args[cfg.arg.above]
			or (args[cfg.arg.group1] and not args[cfg.arg.group2]) then
			nav:attr(
				'aria-labelledby',
				mw.uri.anchorEncode(args[cfg.arg.title] or args[cfg.arg.above] or args[cfg.arg.group1])
			)
		else
			nav:attr('aria-label', cfg.aria_label)
		end
	end

	if (args[cfg.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('Module: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 _
	_ = args[cfg.arg.title]
	_ = args[cfg.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
		_ = args[format(cfg.arg.group_and_num, i)]
		_ = args[format(cfg.arg.list_and_num, i)]
	end
	_ = args[cfg.arg.below]

	return p._navbox(args)
end

return p