Module:Navbox: Difference between revisions

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imported>Edokter
(Slight adjustment)
imported>Izkala
(Add colour tracking per ER)
Line 14: Line 14:


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


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


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


    tableRowAdded = true
tableRowAdded = true


    return tbl:tag('tr')
return tbl:tag('tr')
end
end


local function renderNavBar(titleCell)
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
-- 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.
-- or right to keep the title centered.
    local spacerSide = nil
local spacerSide = nil


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


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


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


Line 78: Line 78:
--
--
local function renderTitleRow(tbl)
local function renderTitleRow(tbl)
    if not args.title then return end
if not args.title then return end


    local titleRow = addTableRow(tbl)
local titleRow = addTableRow(tbl)


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


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


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


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


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


    renderNavBar(titleCell)
renderNavBar(titleCell)


    titleCell
titleCell
        :tag('div')
:tag('div')
            :addClass(args.titleclass)
:addClass(args.titleclass)
            :css('font-size', '114%')
:css('font-size', '110%')
            :wikitext(addNewline(args.title))
:wikitext(addNewline(args.title))
end
end


Line 127: Line 127:


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


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


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


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


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


Line 165: Line 165:
--
--
local function renderListRow(tbl, listnum)
local function renderListRow(tbl, listnum)
    local row = addTableRow(tbl)
local row = addTableRow(tbl)


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


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


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


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


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


    local listCell = row:tag('td')
local listCell = row:tag('td')


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


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


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


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


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


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


Line 257: Line 257:


local function needsHorizontalLists()
local function needsHorizontalLists()
    if border == 'child' or border == 'subgroup'  or args.tracking == 'no' then return false end
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'}
local listClasses = {'plainlist', 'hlist', 'hlist hnum', 'hlist hwrap', 'hlist vcard', 'vcard hlist', 'hlist vevent'}
    for i, cls in ipairs(listClasses) do
for i, cls in ipairs(listClasses) do
        if args.listclass == cls or args.bodyclass == cls then
if args.listclass == cls or args.bodyclass == cls then
            return false
return false
        end
end
    end
end


    return true
return true
end
end


local function hasBackgroundColors()
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')
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 key:match("style$") then
if styleratio { style, "black", "white" } < 4.5 then
return true
end
end
end
 
return false
end
end


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


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


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


Line 295: Line 310:
--
--
local function renderMainTable()
local function renderMainTable()
    local tbl = mw.html.create('table')
local tbl = mw.html.create('table')
        :addClass('nowraplinks')
:addClass('nowraplinks')
        :addClass(args.bodyclass)
:addClass(args.bodyclass)


    if args.title and (args.state ~= 'plain' and args.state ~= 'off') then
if args.title and (args.state ~= 'plain' and args.state ~= 'off') then
        tbl
tbl
            :addClass('collapsible')
:addClass('mw-collapsible')
            :addClass(args.state or 'autocollapse')
-- mw-collapsible doesn't have an "autocollapse" feature, so fall back on collapsed by default for now
    end
:addClass(args.state and 'mw-' .. args.state or 'mw-collapsed')
end


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


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


    return tbl
return tbl
end
end


function p._navbox(navboxArgs)
function p._navbox(navboxArgs)
    args = navboxArgs
args = navboxArgs


    for k, v in pairs(args) do
local nowraplist = args.nowraplists and require('Module:Nowrap list')._main
        local listnum = ('' .. k):match('^list(%d+)$')
for k, v in pairs(args) do
        if listnum then table.insert(listnums, tonumber(listnum)) end
local listnum = string.match(k, '^list(%d+)$')
    end
if listnum then table.insert(listnums, tonumber(listnum)) end
    table.sort(listnums)
-- preprocess lists in listX, above, and below if nowraplists has been set
if nowraplist and (listnum or string.match(k, '^above') or string.match(k, '^below')) then
args[k] = nowraplist(v)
end
end
table.sort(listnums)


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


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


    -- render the appropriate wrapper around the navbox, depending on the border param
-- render the appropriate wrapper around the navbox, depending on the border param
    local res = mw.html.create()
local res = mw.html.create()
    if border == 'none' then
if border == 'none' then
        res:node(tbl)
res:node(tbl)
    elseif border == 'subgroup' or border == 'child' then
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
-- 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
-- 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>
-- padding being applied, and at the end add a <div> to balance out the parent's </div>
        res
res
            :wikitext('</div>') -- XXX: hack due to lack of unclosed support in mw.html.
:wikitext('</div>') -- XXX: hack due to lack of unclosed support in mw.html.
            :node(tbl)
:node(tbl)
            :wikitext('<div>') -- XXX: hack due to lack of unclosed support in mw.html.
:wikitext('<div>') -- XXX: hack due to lack of unclosed support in mw.html.
    else
else
        res
res
            :tag('table')
:tag('table')
                :addClass('navbox')
:addClass('navbox')
                :css('border-spacing', 0)
:css('border-spacing', 0)
                :cssText(args.bodystyle)
:cssText(args.bodystyle)
                :cssText(args.style)
:cssText(args.style)
                :tag('tr')
:tag('tr')
                    :tag('td')
:tag('td')
                        :css('padding', '2px')
:css('padding', '2px')
                        :node(tbl)
:node(tbl)
    end
end


    renderTrackingCategories(res)
renderTrackingCategories(res)


    return tostring(res)
return tostring(res)
end
end


function p.navbox(frame)
function p.navbox(frame)
    if not getArgs then
if not getArgs then
        getArgs = require('Module:Arguments').getArgs
getArgs = require('Module:Arguments').getArgs
    end
end
    args = getArgs(frame, {wrappers = 'Template:Navbox'})
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.
-- Read the arguments in the order they'll be output in, to make references number in the right order.
    local _
local _
    _ = args.title
_ = args.title
    _ = args.above
_ = args.above
    for i = 1, 20 do
for i = 1, 20 do
        _ = args["group" .. tostring(i)]
_ = args["group" .. tostring(i)]
        _ = args["list" .. tostring(i)]
_ = args["list" .. tostring(i)]
    end
end
    _ = args.below
_ = args.below


    return p._navbox(args)
return p._navbox(args)
end
end


return p
return p

Revision as of 11:05, 7 September 2015

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

--
-- 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('&nbsp;')
	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')
			 :addClass(args.titleclass)
			 :css('font-size', '110%')
			 :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 key:match("style$") then
			if styleratio { style, "black", "white" } < 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('mw-collapsible')
			-- mw-collapsible doesn't have an "autocollapse" feature, so fall back on collapsed by default for now
			:addClass(args.state and 'mw-' .. args.state or 'mw-collapsed')
	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 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, listnum)
	end
	renderBelowRow(tbl)

	return tbl
end

function p._navbox(navboxArgs)
	args = navboxArgs

	local nowraplist = args.nowraplists and require('Module:Nowrap list')._main
	for k, v in pairs(args) do
		local listnum = string.match(k, '^list(%d+)$')
		if listnum then table.insert(listnums, tonumber(listnum)) end
		-- preprocess lists in listX, above, and below if nowraplists has been set
		if nowraplist and (listnum or string.match(k, '^above') or string.match(k, '^below')) then
			args[k] = nowraplist(v)
		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
		res:node(tbl)
	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
		res
			:tag('table')
				:addClass('navbox')
				:css('border-spacing', 0)
				:cssText(args.bodystyle)
				:cssText(args.style)
				:tag('tr')
					:tag('td')
						:css('padding', '2px')
						:node(tbl)
	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