This Lua module is used on approximately 71,000 pages, so changes to it will be widely noticed. Please test any changes in the module's /sandbox or /testcases subpages. Please consider discussing changes on the talk page before implementing them.
This module depends on the following other modules:
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')
local titleCell = titleRow:tag('th'):attr('scope', 'col')
local titleColspan = 2
if args[cfg.arg.imageleft] then titleColspan = titleColspan + 1 end
if args[cfg.arg.image] 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.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 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
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
