Module:Navbox - Revision history

Amc-admin: 1 revision imported

2018-03-08T18:28:27Z

1 revision imported

New page

--
-- This module implements {{Navbox}}
--

local p = {}

local navbar = require('Module:Navbar')._navbar
local getArgs -- lazily initialized

local args
local border
local listnums = {}
local ODD_EVEN_MARKER = '\127_ODDEVEN_\127'
local RESTART_MARKER = '\127_ODDEVEN0_\127'
local REGEX_MARKER = '\127_ODDEVEN(%d?)_\127'

local function striped(wikitext)
-- 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 = '[[Category:Navbox orphans]]'
if border == 'subgroup' and args.orphan ~= 'yes' then
-- No change; striping occurs in outermost navbox.
return wikitext .. orphanCat
end
local first, second = 'odd', 'even'
if args.evenodd then
if args.evenodd == 'swap' then
first, second = second, first
else
first = args.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(REGEX_MARKER, 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 == '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('^<span class="nowrap">') then
line = prefix .. '<span class="nowrap">' .. content .. '</span>'
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 renderNavBar(titleCell)

if args.navbar ~= 'off' and args.navbar ~= 'plain' and not (not args.name and mw.getCurrentFrame():getParent():getTitle():gsub('/sandbox$', '') == 'Template:Navbox') then
titleCell:wikitext(navbar{
args.name,
mini = 1,
fontstyle = (args.basestyle or '') .. ';' .. (args.titlestyle or '') .. ';background:none transparent;border:none;-moz-box-shadow:none;-webkit-box-shadow:none;box-shadow:none;'
})
end

end

--
-- Title row
--
local function renderTitleRow(tbl)
if not args.title then return end

local titleRow = tbl:tag('tr')

if args.titlegroup then
titleRow
:tag('th')
:attr('scope', 'row')
:addClass('navbox-group')
:addClass(args.titlegroupclass)
:cssText(args.basestyle)
:cssText(args.groupstyle)
:cssText(args.titlegroupstyle)
:wikitext(args.titlegroup)
end

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

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

local titleColspan = 2
if args.imageleft then titleColspan = titleColspan + 1 end
if args.image then titleColspan = titleColspan + 1 end
if args.titlegroup then titleColspan = titleColspan - 1 end

titleCell
:cssText(args.basestyle)
:cssText(args.titlestyle)
:addClass('navbox-title')
:attr('colspan', titleColspan)

renderNavBar(titleCell)

titleCell
:tag('div')
:attr('id', mw.uri.anchorEncode(args.title))
:addClass(args.titleclass)
:css('font-size', '114%')
:css('margin', '0 4em')
:wikitext(processItem(args.title))
end

--
-- Above/Below rows
--

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

local function renderAboveRow(tbl)
if not args.above then return end

tbl:tag('tr')
:tag('td')
:addClass('navbox-abovebelow')
:addClass(args.aboveclass)
:cssText(args.basestyle)
:cssText(args.abovestyle)
:attr('colspan', getAboveBelowColspan())
:tag('div')
:wikitext(processItem(args.above, args.nowrapitems))
end

local function renderBelowRow(tbl)
if not args.below then return end

tbl:tag('tr')
:tag('td')
:addClass('navbox-abovebelow')
:addClass(args.belowclass)
:cssText(args.basestyle)
:cssText(args.belowstyle)
:attr('colspan', getAboveBelowColspan())
:tag('div')
:wikitext(processItem(args.below, args.nowrapitems))
end

--
-- List rows
--
local function renderListRow(tbl, index, listnum)
local row = tbl:tag('tr')

if index == 1 and args.imageleft then
row
:tag('td')
:addClass('navbox-image')
:addClass(args.imageclass)
:css('width', '1px') -- Minimize width
:css('padding', '0px 2px 0px 0px')
:cssText(args.imageleftstyle)
:attr('rowspan', #listnums)
:tag('div')
:wikitext(processItem(args.imageleft))
end

if args['group' .. listnum] then
local groupCell = row:tag('th')

groupCell
:attr('scope', 'row')
:addClass('navbox-group')
:addClass(args.groupclass)
:cssText(args.basestyle)
:css('width', args.groupwidth or '1%') -- If groupwidth not specified, minimize width

groupCell
:cssText(args.groupstyle)
:cssText(args['group' .. listnum .. 'style'])
:wikitext(args['group' .. listnum])
end

local listCell = row:tag('td')

if args['group' .. listnum] then
listCell
:css('text-align', 'left')
:css('border-left-width', '2px')
:css('border-left-style', 'solid')
else
listCell:attr('colspan', 2)
end

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

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

local listText = args['list' .. listnum]
local oddEven = ODD_EVEN_MARKER
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('<th[^>]*"navbox%-title"') and RESTART_MARKER or 'odd'
end
listCell
:css('padding', '0px')
:cssText(args.liststyle)
:cssText(rowstyle)
:cssText(args['list' .. listnum .. 'style'])
:addClass('navbox-list')
:addClass('navbox-' .. oddEven)
:addClass(args.listclass)
:tag('div')
:css('padding', (index == 1 and args.list1padding) or args.listpadding or '0em 0.25em')
:wikitext(processItem(listText, args.nowrapitems))

if index == 1 and args.image then
row
:tag('td')
:addClass('navbox-image')
:addClass(args.imageclass)
:css('width', '1px') -- Minimize width
:css('padding', '0px 0px 0px 2px')
:cssText(args.imagestyle)
:attr('rowspan', #listnums)
:tag('div')
:wikitext(processItem(args.image))
end
end

--
-- Tracking categories
--

local function needsHorizontalLists()
if border == 'subgroup' or args.tracking == 'no' then
return false
end
local listClasses = {
['plainlist'] = true, ['hlist'] = true, ['hlist hnum'] = true,
['hlist hwrap'] = true, ['hlist vcard'] = true, ['vcard hlist'] = true,
['hlist vevent'] = true,
}
return not (listClasses[args.listclass] or listClasses[args.bodyclass])
end

local function hasBackgroundColors()
for _, key in ipairs({'titlestyle', 'groupstyle', 'basestyle', 'abovestyle', 'belowstyle'}) do
if tostring(args[key]):find('background', 1, true) then
return true
end
end
end

local function hasBorders()
for _, key in ipairs({'groupstyle', 'basestyle', 'abovestyle', 'belowstyle'}) do
if tostring(args[key]):find('border', 1, true) then
return true
end
end
end

local function isIllegible()
local styleratio = require('Module:Color contrast')._styleratio

for key, style in pairs(args) do
if tostring(key):match("style$") then
if styleratio{mw.text.unstripNoWiki(style)} < 4.5 then
return true
end
end
end
return false
end

local function getTrackingCategories()
local cats = {}
if needsHorizontalLists() then table.insert(cats, 'Navigational boxes without horizontal lists') end
if hasBackgroundColors() then table.insert(cats, 'Navboxes using background colours') end
if isIllegible() then table.insert(cats, 'Potentially illegible navboxes') end
if hasBorders() then table.insert(cats, 'Navboxes using borders') end
return cats
end

local function renderTrackingCategories(builder)
local title = mw.title.getCurrentTitle()
if title.namespace ~= 10 then return end -- not in template space
local subpage = title.subpageText
if subpage == 'doc' or subpage == 'sandbox' or subpage == 'testcases' then return end

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

--
-- Main navbox tables
--
local function renderMainTable()
local tbl = mw.html.create('table')
:addClass('nowraplinks')
:addClass(args.bodyclass)

if args.title and (args.state ~= 'plain' and args.state ~= 'off') then
tbl
:addClass('collapsible')
:addClass(args.state or 'autocollapse')
end

tbl:css('border-spacing', 0)
if border == 'subgroup' or border == 'none' then
tbl
:addClass('navbox-subgroup')
:cssText(args.bodystyle)
:cssText(args.style)
else -- regular navbox - bodystyle and style will be applied to the wrapper table
tbl
:addClass('navbox-inner')
:css('background', 'transparent')
:css('color', 'inherit')
end
tbl:cssText(args.innerstyle)

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

return tbl
end

function p._navbox(navboxArgs)
args = navboxArgs

for k, _ in pairs(args) do
if type(k) == 'string' then
local listnum = k:match('^list(%d+)$')
if listnum then table.insert(listnums, tonumber(listnum)) end
end
end
table.sort(listnums)

border = mw.text.trim(args.border or args[1] or '')
if border == 'child' then
border = 'subgroup'
end

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

-- render the appropriate wrapper around the navbox, depending on the border param
local res = mw.html.create()
if border == 'none' then
local nav = res:tag('div')
:attr('role', 'navigation')
:node(tbl)
if args.title then
nav:attr('aria-labelledby', mw.uri.anchorEncode(args.title))
else
nav:attr('aria-label', 'Navbox')
end
elseif 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
local nav = res:tag('div')
:attr('role', 'navigation')
:addClass('navbox')
:cssText(args.bodystyle)
:cssText(args.style)
:css('padding', '3px')
:node(tbl)
if args.title then
nav:attr('aria-labelledby', mw.uri.anchorEncode(args.title))
else
nav:attr('aria-label', 'Navbox')
end
end

renderTrackingCategories(res)

return striped(tostring(res))
end

function p.navbox(frame)
if not getArgs then
getArgs = require('Module:Arguments').getArgs
end
args = getArgs(frame, {wrappers = {'Template:Navbox', 'Template:Navbox subgroup'}})
if frame.args.border then
-- This allows Template:Navbox_subgroup to use {{#invoke:Navbox|navbox|border=...}}.
args.border = frame.args.border
end

-- Read the arguments in the order they'll be output in, to make references number in the right order.
local _
_ = args.title
_ = args.above
for i = 1, 20 do
_ = args["group" .. tostring(i)]
_ = args["list" .. tostring(i)]
end
_ = args.below

return p._navbox(args)
end

return p

Amc-admin: 1 revision imported

2017-09-18T16:56:51Z

1 revision imported

New page

--
-- This module implements {{Navbox}}
--

local p = {}

local navbar = require('Module:Navbar')._navbar
local getArgs -- lazily initialized

local args
local border
local listnums = {}
local ODD_EVEN_MARKER = '\127_ODDEVEN_\127'
local RESTART_MARKER = '\127_ODDEVEN0_\127'
local REGEX_MARKER = '\127_ODDEVEN(%d?)_\127'

local function striped(wikitext)
-- 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 = '[[Category:Navbox orphans]]'
if border == 'subgroup' and args.orphan ~= 'yes' then
-- No change; striping occurs in outermost navbox.
return wikitext .. orphanCat
end
local first, second = 'odd', 'even'
if args.evenodd then
if args.evenodd == 'swap' then
first, second = second, first
else
first = args.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(REGEX_MARKER, 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 == '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('^<span class="nowrap">') then
line = prefix .. '<span class="nowrap">' .. content .. '</span>'
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 renderNavBar(titleCell)

if args.navbar ~= 'off' and args.navbar ~= 'plain' and not (not args.name and mw.getCurrentFrame():getParent():getTitle():gsub('/sandbox$', '') == 'Template:Navbox') then
titleCell:wikitext(navbar{
args.name,
mini = 1,
fontstyle = (args.basestyle or '') .. ';' .. (args.titlestyle or '') .. ';background:none transparent;border:none;-moz-box-shadow:none;-webkit-box-shadow:none;box-shadow:none;'
})
end

end

--
-- Title row
--
local function renderTitleRow(tbl)
if not args.title then return end

local titleRow = tbl:tag('tr')

if args.titlegroup then
titleRow
:tag('th')
:attr('scope', 'row')
:addClass('navbox-group')
:addClass(args.titlegroupclass)
:cssText(args.basestyle)
:cssText(args.groupstyle)
:cssText(args.titlegroupstyle)
:wikitext(args.titlegroup)
end

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

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

local titleColspan = 2
if args.imageleft then titleColspan = titleColspan + 1 end
if args.image then titleColspan = titleColspan + 1 end
if args.titlegroup then titleColspan = titleColspan - 1 end

titleCell
:cssText(args.basestyle)
:cssText(args.titlestyle)
:addClass('navbox-title')
:attr('colspan', titleColspan)

renderNavBar(titleCell)

titleCell
:tag('div')
:attr('id', mw.uri.anchorEncode(args.title))
:addClass(args.titleclass)
:css('font-size', '114%')
:css('margin', '0 4em')
:wikitext(processItem(args.title))
end

--
-- Above/Below rows
--

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

local function renderAboveRow(tbl)
if not args.above then return end

tbl:tag('tr')
:tag('td')
:addClass('navbox-abovebelow')
:addClass(args.aboveclass)
:cssText(args.basestyle)
:cssText(args.abovestyle)
:attr('colspan', getAboveBelowColspan())
:tag('div')
:wikitext(processItem(args.above, args.nowrapitems))
end

local function renderBelowRow(tbl)
if not args.below then return end

tbl:tag('tr')
:tag('td')
:addClass('navbox-abovebelow')
:addClass(args.belowclass)
:cssText(args.basestyle)
:cssText(args.belowstyle)
:attr('colspan', getAboveBelowColspan())
:tag('div')
:wikitext(processItem(args.below, args.nowrapitems))
end

--
-- List rows
--
local function renderListRow(tbl, index, listnum)
local row = tbl:tag('tr')

if index == 1 and args.imageleft then
row
:tag('td')
:addClass('navbox-image')
:addClass(args.imageclass)
:css('width', '1px') -- Minimize width
:css('padding', '0px 2px 0px 0px')
:cssText(args.imageleftstyle)
:attr('rowspan', #listnums)
:tag('div')
:wikitext(processItem(args.imageleft))
end

if args['group' .. listnum] then
local groupCell = row:tag('th')

groupCell
:attr('scope', 'row')
:addClass('navbox-group')
:addClass(args.groupclass)
:cssText(args.basestyle)
:css('width', args.groupwidth or '1%') -- If groupwidth not specified, minimize width

groupCell
:cssText(args.groupstyle)
:cssText(args['group' .. listnum .. 'style'])
:wikitext(args['group' .. listnum])
end

local listCell = row:tag('td')

if args['group' .. listnum] then
listCell
:css('text-align', 'left')
:css('border-left-width', '2px')
:css('border-left-style', 'solid')
else
listCell:attr('colspan', 2)
end

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

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

local listText = args['list' .. listnum]
local oddEven = ODD_EVEN_MARKER
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('<th[^>]*"navbox%-title"') and RESTART_MARKER or 'odd'
end
listCell
:css('padding', '0px')
:cssText(args.liststyle)
:cssText(rowstyle)
:cssText(args['list' .. listnum .. 'style'])
:addClass('navbox-list')
:addClass('navbox-' .. oddEven)
:addClass(args.listclass)
:tag('div')
:css('padding', (index == 1 and args.list1padding) or args.listpadding or '0em 0.25em')
:wikitext(processItem(listText, args.nowrapitems))

if index == 1 and args.image then
row
:tag('td')
:addClass('navbox-image')
:addClass(args.imageclass)
:css('width', '1px') -- Minimize width
:css('padding', '0px 0px 0px 2px')
:cssText(args.imagestyle)
:attr('rowspan', #listnums)
:tag('div')
:wikitext(processItem(args.image))
end
end

--
-- Tracking categories
--

local function needsHorizontalLists()
if border == 'subgroup' or args.tracking == 'no' then
return false
end
local listClasses = {
['plainlist'] = true, ['hlist'] = true, ['hlist hnum'] = true,
['hlist hwrap'] = true, ['hlist vcard'] = true, ['vcard hlist'] = true,
['hlist vevent'] = true,
}
return not (listClasses[args.listclass] or listClasses[args.bodyclass])
end

local function hasBackgroundColors()
for _, key in ipairs({'titlestyle', 'groupstyle', 'basestyle'}) do
if tostring(args[key]):find('background', 1, true) then
return true
end
end
end

local function isIllegible()
local styleratio = require('Module:Color contrast')._styleratio

for key, style in pairs(args) do
if tostring(key):match("style$") then
if styleratio{mw.text.unstripNoWiki(style)} < 4.5 then
return true
end
end
end
return false
end

local function getTrackingCategories()
local cats = {}
if needsHorizontalLists() then table.insert(cats, 'Navigational boxes without horizontal lists') end
if hasBackgroundColors() then table.insert(cats, 'Navboxes using background colours') end
if isIllegible() then table.insert(cats, 'Potentially illegible navboxes') end
return cats
end

local function renderTrackingCategories(builder)
local title = mw.title.getCurrentTitle()
if title.namespace ~= 10 then return end -- not in template space
local subpage = title.subpageText
if subpage == 'doc' or subpage == 'sandbox' or subpage == 'testcases' then return end

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

--
-- Main navbox tables
--
local function renderMainTable()
local tbl = mw.html.create('table')
:addClass('nowraplinks')
:addClass(args.bodyclass)

if args.title and (args.state ~= 'plain' and args.state ~= 'off') then
tbl
:addClass('collapsible')
:addClass(args.state or 'autocollapse')
end

tbl:css('border-spacing', 0)
if border == 'subgroup' or border == 'none' then
tbl
:addClass('navbox-subgroup')
:cssText(args.bodystyle)
:cssText(args.style)
else -- regular navbox - bodystyle and style will be applied to the wrapper table
tbl
:addClass('navbox-inner')
:css('background', 'transparent')
:css('color', 'inherit')
end
tbl:cssText(args.innerstyle)

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

return tbl
end

function p._navbox(navboxArgs)
args = navboxArgs

for k, _ in pairs(args) do
if type(k) == 'string' then
local listnum = k:match('^list(%d+)$')
if listnum then table.insert(listnums, tonumber(listnum)) end
end
end
table.sort(listnums)

border = mw.text.trim(args.border or args[1] or '')
if border == 'child' then
border = 'subgroup'
end

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

-- render the appropriate wrapper around the navbox, depending on the border param
local res = mw.html.create()
if border == 'none' then
local nav = res:tag('div')
:attr('role', 'navigation')
:node(tbl)
if args.title then
nav:attr('aria-labelledby', mw.uri.anchorEncode(args.title))
else
nav:attr('aria-label', 'Navbox')
end
elseif 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
local nav = res:tag('div')
:attr('role', 'navigation')
:addClass('navbox')
:cssText(args.bodystyle)
:cssText(args.style)
:css('padding', '3px')
:node(tbl)
if args.title then
nav:attr('aria-labelledby', mw.uri.anchorEncode(args.title))
else
nav:attr('aria-label', 'Navbox')
end
end

renderTrackingCategories(res)

return striped(tostring(res))
end

function p.navbox(frame)
if not getArgs then
getArgs = require('Module:Arguments').getArgs
end
args = getArgs(frame, {wrappers = 'Template:Navbox'})

-- Read the arguments in the order they'll be output in, to make references number in the right order.
local _
_ = args.title
_ = args.above
for i = 1, 20 do
_ = args["group" .. tostring(i)]
_ = args["list" .. tostring(i)]
end
_ = args.below

return p._navbox(args)
end

return p

Amc-admin: 66 revisions imported

2016-10-31T22:22:53Z

66 revisions imported

New page

--
-- This module implements {{Navbox}}
--

local p = {}

local navbar = require('Module:Navbar')._navbar
local getArgs -- lazily initialized

local args
local tableRowAdded = false
local border
local listnums = {}

local function trim(s)
return (mw.ustring.gsub(s, "^%s*(.-)%s*$", "%1"))
end

local function addNewline(s)
if s:match('^[*:;#]') or s:match('^{|') then
return '\n' .. s ..'\n'
else
return s
end
end

local function addTableRow(tbl)
-- If any other rows have already been added, then we add a 2px gutter row.
if tableRowAdded then
tbl
:tag('tr')
:css('height', '2px')
:tag('td')
:attr('colspan',2)
end

tableRowAdded = true

return tbl:tag('tr')
end

local function renderNavBar(titleCell)
-- Depending on the presence of the navbar and/or show/hide link, we may need to add a spacer div on the left
-- or right to keep the title centered.
local spacerSide = nil

if args.navbar == 'off' then
-- No navbar, and client wants no spacer, i.e. wants the title to be shifted to the left. If there's
-- also no show/hide link, then we need a spacer on the right to achieve the left shift.
if args.state == 'plain' then spacerSide = 'right' end
elseif args.navbar == 'plain' or (not args.name and mw.getCurrentFrame():getParent():getTitle():gsub('/sandbox$', '') == 'Template:Navbox') then
-- No navbar. Need a spacer on the left to balance out the width of the show/hide link.
if args.state ~= 'plain' then spacerSide = 'left' end
else
-- Will render navbar (or error message). If there's no show/hide link, need a spacer on the right
-- to balance out the width of the navbar.
if args.state == 'plain' then spacerSide = 'right' end

titleCell:wikitext(navbar{
args.name,
mini = 1,
fontstyle = (args.basestyle or '') .. ';' .. (args.titlestyle or '') .. ';background:none transparent;border:none;'
})
end

-- Render the spacer div.
if spacerSide then
titleCell
:tag('span')
:css('float', spacerSide)
:css('width', '6em')
:wikitext(' ')
end
end

--
-- Title row
--
local function renderTitleRow(tbl)
if not args.title then return end

local titleRow = addTableRow(tbl)

if args.titlegroup then
titleRow
:tag('th')
:attr('scope', 'row')
:addClass('navbox-group')
:addClass(args.titlegroupclass)
:cssText(args.basestyle)
:cssText(args.groupstyle)
:cssText(args.titlegroupstyle)
:wikitext(args.titlegroup)
end

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

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

local titleColspan = 2
if args.imageleft then titleColspan = titleColspan + 1 end
if args.image then titleColspan = titleColspan + 1 end
if args.titlegroup then titleColspan = titleColspan - 1 end

titleCell
:cssText(args.basestyle)
:cssText(args.titlestyle)
:addClass('navbox-title')
:attr('colspan', titleColspan)

renderNavBar(titleCell)

titleCell
:tag('div')
:attr('id', mw.uri.anchorEncode(args.title))
:addClass(args.titleclass)
:css('font-size', '114%')
:wikitext(addNewline(args.title))
end

--
-- Above/Below rows
--

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

local function renderAboveRow(tbl)
if not args.above then return end

addTableRow(tbl)
:tag('td')
:addClass('navbox-abovebelow')
:addClass(args.aboveclass)
:cssText(args.basestyle)
:cssText(args.abovestyle)
:attr('colspan', getAboveBelowColspan())
:tag('div')
:wikitext(addNewline(args.above))
end

local function renderBelowRow(tbl)
if not args.below then return end

addTableRow(tbl)
:tag('td')
:addClass('navbox-abovebelow')
:addClass(args.belowclass)
:cssText(args.basestyle)
:cssText(args.belowstyle)
:attr('colspan', getAboveBelowColspan())
:tag('div')
:wikitext(addNewline(args.below))
end

--
-- List rows
--
local function renderListRow(tbl, listnum)
local row = addTableRow(tbl)

if listnum == 1 and args.imageleft then
row
:tag('td')
:addClass('navbox-image')
:addClass(args.imageclass)
:css('width', '0%')
:css('padding', '0px 2px 0px 0px')
:cssText(args.imageleftstyle)
:attr('rowspan', 2 * #listnums - 1)
:tag('div')
:wikitext(addNewline(args.imageleft))
end

if args['group' .. listnum] then
local groupCell = row:tag('th')

groupCell
:attr('scope', 'row')
:addClass('navbox-group')
:addClass(args.groupclass)
:cssText(args.basestyle)

if args.groupwidth then
groupCell:css('width', args.groupwidth)
end

groupCell
:cssText(args.groupstyle)
:cssText(args['group' .. listnum .. 'style'])
:wikitext(args['group' .. listnum])
end

local listCell = row:tag('td')

if args['group' .. listnum] then
listCell
:css('text-align', 'left')
:css('border-left-width', '2px')
:css('border-left-style', 'solid')
else
listCell:attr('colspan', 2)
end

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

local isOdd = (listnum % 2) == 1
local rowstyle = args.evenstyle
if isOdd then rowstyle = args.oddstyle end

local evenOdd
if args.evenodd == 'swap' then
if isOdd then evenOdd = 'even' else evenOdd = 'odd' end
else
if isOdd then evenOdd = args.evenodd or 'odd' else evenOdd = args.evenodd or 'even' end
end

listCell
:css('padding', '0px')
:cssText(args.liststyle)
:cssText(rowstyle)
:cssText(args['list' .. listnum .. 'style'])
:addClass('navbox-list')
:addClass('navbox-' .. evenOdd)
:addClass(args.listclass)
:tag('div')
:css('padding', (listnum == 1 and args.list1padding) or args.listpadding or '0em 0.25em')
:wikitext(addNewline(args['list' .. listnum]))

if listnum == 1 and args.image then
row
:tag('td')
:addClass('navbox-image')
:addClass(args.imageclass)
:css('width', '0%')
:css('padding', '0px 0px 0px 2px')
:cssText(args.imagestyle)
:attr('rowspan', 2 * #listnums - 1)
:tag('div')
:wikitext(addNewline(args.image))
end
end

--
-- Tracking categories
--

local function needsHorizontalLists()
if border == 'child' or border == 'subgroup' or args.tracking == 'no' then return false end

local listClasses = {'plainlist', 'hlist', 'hlist hnum', 'hlist hwrap', 'hlist vcard', 'vcard hlist', 'hlist vevent'}
for i, cls in ipairs(listClasses) do
if args.listclass == cls or args.bodyclass == cls then
return false
end
end

return true
end

local function hasBackgroundColors()
return mw.ustring.match(args.titlestyle or '','background') or mw.ustring.match(args.groupstyle or '','background') or mw.ustring.match(args.basestyle or '','background')
end

local function isIllegible()
local styleratio = require('Module:Color contrast')._styleratio

for key, style in pairs(args) do
if tostring(key):match("style$") then
if styleratio{mw.text.unstripNoWiki(style)} < 4.5 then
return true
end
end
end
return false
end

local function getTrackingCategories()
local cats = {}
if needsHorizontalLists() then table.insert(cats, 'Navigational boxes without horizontal lists') end
if hasBackgroundColors() then table.insert(cats, 'Navboxes using background colours') end
if isIllegible() then table.insert(cats, 'Potentially illegible navboxes') end
return cats
end

local function renderTrackingCategories(builder)
local title = mw.title.getCurrentTitle()
if title.namespace ~= 10 then return end -- not in template space
local subpage = title.subpageText
if subpage == 'doc' or subpage == 'sandbox' or subpage == 'testcases' then return end

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

--
-- Main navbox tables
--
local function renderMainTable()
local tbl = mw.html.create('table')
:addClass('nowraplinks')
:addClass(args.bodyclass)

if args.title and (args.state ~= 'plain' and args.state ~= 'off') then
tbl
:addClass('collapsible')
:addClass(args.state or 'autocollapse')
end

tbl:css('border-spacing', 0)
if border == 'subgroup' or border == 'child' or border == 'none' then
tbl
:addClass('navbox-subgroup')
:cssText(args.bodystyle)
:cssText(args.style)
else -- regular navobx - bodystyle and style will be applied to the wrapper table
tbl
:addClass('navbox-inner')
:css('background', 'transparent')
:css('color', 'inherit')
end
tbl:cssText(args.innerstyle)

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

return tbl
end

function p._navbox(navboxArgs)
args = navboxArgs

for k, v in pairs(args) do
local listnum = ('' .. k):match('^list(%d+)$')
if listnum then table.insert(listnums, tonumber(listnum)) end
end
table.sort(listnums)

border = trim(args.border or args[1] or '')

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

-- render the appropriate wrapper around the navbox, depending on the border param
local res = mw.html.create()
if border == 'none' then
local nav = res:tag('div')
:attr('role', 'navigation')
:node(tbl)
if args.title then
nav:attr('aria-labelledby', mw.uri.anchorEncode(args.title))
else
nav:attr('aria-label', 'Navbox')
end
elseif border == 'subgroup' or border == 'child' 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>') -- XXX: hack due to lack of unclosed support in mw.html.
:node(tbl)
:wikitext('<div>') -- XXX: hack due to lack of unclosed support in mw.html.
else
local nav = res:tag('div')
:attr('role', 'navigation')
:addClass('navbox')
:cssText(args.bodystyle)
:cssText(args.style)
:css('padding', '3px')
:node(tbl)
if args.title then
nav:attr('aria-labelledby', mw.uri.anchorEncode(args.title))
else
nav:attr('aria-label', 'Navbox')
end
end

renderTrackingCategories(res)

return tostring(res)
end

function p.navbox(frame)
if not getArgs then
getArgs = require('Module:Arguments').getArgs
end
args = getArgs(frame, {wrappers = 'Template:Navbox'})

-- Read the arguments in the order they'll be output in, to make references number in the right order.
local _
_ = args.title
_ = args.above
for i = 1, 20 do
_ = args["group" .. tostring(i)]
_ = args["list" .. tostring(i)]
end
_ = args.below

return p._navbox(args)
end

return p