# Module:Navbox

require('strict')  
local p = {}  
local cfg = mw.loadData('Module:Navbox/configuration')  
local inArray = require("Module:TableTools").inArray  
local getArgs -- lazily initialized  
local hiding_templatestyles = {}  

-- global passthrough variables  
local passthrough = {  
[cfg.arg.above]=true,[cfg.arg.aboveclass]=true,[cfg.arg.abovestyle]=true,  
[cfg.arg.basestyle]=true,  
[cfg.arg.below]=true,[cfg.arg.belowclass]=true,[cfg.arg.belowstyle]=true,  
[cfg.arg.bodyclass]=true,  
[cfg.arg.groupclass]=true,  
[cfg.arg.image]=true,[cfg.arg.imageclass]=true,[cfg.arg.imagestyle]=true,  
[cfg.arg.imageleft]=true,[cfg.arg.imageleftstyle]=true,  
[cfg.arg.listclass]=true,  
[cfg.arg.name]=true,  
[cfg.arg.navbar]=true,  
[cfg.arg.state]=true,  
[cfg.arg.title]=true,[cfg.arg.titleclass]=true,[cfg.arg.titlestyle]=true,  
argHash=true  
}  

-- helper functions  
local andnum = function(s, n) return string.format(cfg.arg[s .. '_and_num'], n) end  
local isblank = function(v) return (v or *) == * end  

local function concatstrings(s)  
local r = table.concat(s, '')  
if r:match('^%s*$') then return nil end  
return r  
end  

local function concatstyles(s)  
local r = ''  
for _, v in ipairs(s) do  
v = mw.text.trim(v, "%s;")  
if not isblank(v) then r = r .. v .. ';' end  
end  
if isblank(r) then return nil end  
return r  
end  

local function getSubgroup(args, listnum, listText, prefix)  
local subArgs = {  
[cfg.arg.] = cfg.keyword.border_subgroup,  
[cfg.arg.navbar] = cfg.keyword.navbar_plain,  
argHash = 0  
}  
local hasSubArgs = false  
local subgroups_and_num = prefix and {prefix} or cfg.arg.subgroups_and_num  
for k, v in pairs(args) do  
k = tostring(k)  
for _, w in ipairs(subgroups_and_num) do  
w = string.format(w, listnum) .. "_"  
if (#k > #w) and (k:sub(1, #w) == w) then  
subArgs[k:sub(#w + 1)] = v  
hasSubArgs = true  
subArgs.argHash = subArgs.argHash + (v and #v or 0)  
end  
end  
end  
return hasSubArgs and p._navbox(subArgs) or listText  
end  

-- Main functions  
function p._navbox(args)  
if args.type == cfg.keyword.with_collapsible_groups then  
return p._withCollapsibleGroups(args)  
elseif args.type == cfg.keyword.with_columns then  
return p._withColumns(args)  
end  

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 = cfg.category.orphan  
if == 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 = string.format(cfg.nowrap_item, prefix, content)  
end  
table.insert(lines, line)  
end  
item = table.concat(lines, '\n')  
end  
if item:match('^[*:;#]') then  
return '\n' .. item .. '\n'  
end  
return item  
end  

local function has_navbar  
return 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  

-- extract text color from css, which is the only permitted inline CSS for the navbar  
local function extract_color(css_str)  
-- return nil because navbar takes its argument into mw.html which handles  
-- nil gracefully, removing the associated style attribute  
return mw.ustring.match(';' .. css_str .. ';', '.*;%s*([Cc][Oo][Ll][Oo][Rr]%s*:%s*.-)%s*;') or nil  
end  

local function renderNavBar(titleCell)  
if has_navbar then  
local navbar = require('Module:Navbar')._navbar  
titleCell:wikitext(navbar{  
[cfg.navbar.name] = args[cfg.arg.name],  
[cfg.navbar.mini] = 1,  
[cfg.navbar.fontstyle] = extract_color(  
(args[cfg.arg.basestyle] or *) .. ';' .. (args[cfg.arg.titlestyle] or *)  
})  
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]) .. args.argHash)  
: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', (not args[cfg.arg.title]) and  
(mw.uri.anchorEncode(args[cfg.arg.above]) .. args.argHash)  
or nil)  
: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', '') -- Minimize width  
:css('padding', '0 0 0')  
:cssText(args[cfg.arg.imageleftstyle])  
:attr('rowspan', listnums_size)  
:tag('div')  
:wikitext(processItem(args[cfg.arg.imageleft]))  
end  

local group_and_num = andnum('group', listnum)  
local groupstyle_and_num = andnum('groupstyle', 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]) .. args.argHash)  
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 = andnum('list', listnum)  
local listText = inArray(cfg.keyword.subgroups, args[list_and_num])  
and getSubgroup(args, listnum, args[list_and_num]) or 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 = andnum('liststyle', listnum)  
local listclass_and_num = andnum('listclass', 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', '') -- Minimize width  
:css('padding', '0 0 0 ')  
:cssText(args[cfg.arg.imagestyle])  
:attr('rowspan', listnums_size)  
:tag('div')  
:wikitext(processItem(args[cfg.arg.image]))  
end  
end  

local function has_list_class(htmlclass)  
local patterns = {  
'^' .. htmlclass .. '$',  
'%s' .. htmlclass .. '$',  
'^' .. htmlclass .. '%s',  
'%s' .. htmlclass .. '%s'  
}  

for arg, _ in pairs(args) do  
if type(arg) == 'string' and mw.ustring.find(arg, cfg.pattern.class) then  
for _, pattern in ipairs(patterns) do  
if mw.ustring.find(args[arg] or '', pattern) then  
return true  
end  
end  
end  
end  
return false  
end  

-- there are a lot of list classes in the wild, so we add their TemplateStyles  
local function add_list_styles  
local = mw.getCurrentFrame  
local function add_list_templatestyles(htmlclass, templatestyles)  
if has_list_class(htmlclass) then  
return :extensionTag{  
name = 'templatestyles', args = { src = templatestyles }  
}  
else  
return ''  
end  
end  

local hlist_styles = add_list_templatestyles('hlist', cfg.hlist_templatestyles)  
local plainlist_styles = add_list_templatestyles('plainlist', cfg.plainlist_templatestyles)  

-- a second workaround for phab:T303378  
-- when that issue is fixed, we can actually use has_navbar not to emit the  
-- tag here if we want  
if has_navbar and hlist_styles == '' then  
hlist_styles = :extensionTag{  
name = 'templatestyles', args = { src = cfg.hlist_templatestyles }  
}  
end  

-- hlist -> plainlist is best-effort to preserve old Common.css ordering.  
-- this ordering is not a guarantee because most navboxes will emit only  
-- one of these classes [hlist_note]  
return hlist_styles .. plainlist_styles  
end  

local function needsHorizontalLists  
if == 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('', 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  
local cats = {}  
if needsHorizontalLists 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, )  
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) do  
builder:wikitext('')  
end  
end  

local function renderMainTable(, 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('-spacing', 0)  
if == cfg.keyword.border_subgroup or == 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(hiding_templatestyles)  
local = mw.getCurrentFrame  
-- This is a lambda so that it doesn't need the as a parameter  
local function add_user_styles(templatestyles)  
if not isblank(templatestyles) then  
return :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 to wrap the styles to work around T200206  
-- more elegantly. Instead of combinatorial rules, this ends up being linear  
-- number of CSS rules.  
return mw.html.create('div')  
:addClass(cfg.class.navbox_styles)  
:wikitext(  
add_list_styles .. -- see [hlist_note] applied to 'before base_templatestyles'  
base_templatestyles ..  
templatestyles ..  
child_templatestyles ..  
table.concat(hiding_templatestyles)  
:done  
end  

-- work around phab:T303378  
-- for each arg: find all the templatestyles strip markers, insert them into a  
-- table. then remove all templatestyles markers from the arg  
local strip_marker_pattern = '(\127[^\127]*UNIQ%-%-templatestyles%-%x+%-QINU[^\127]*\127)'  
local argHash = 0  
for k, arg in pairs(args) do  
if type(arg) == 'string' then  
for marker in string.gfind(arg, strip_marker_pattern) do  
table.insert(hiding_templatestyles, marker)  
end  
argHash = argHash + #arg  
args[k] = string.gsub(arg, strip_marker_pattern, '')  
end  
end  

if not args.argHash then args.argHash = argHash end  

local listnums = {}  

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

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

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

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

if == cfg.keyword.border_none then  
res:node(add_navbox_styles(hiding_templatestyles))  
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]  
) .. args.argHash  
else  
nav:attr('aria-label', cfg.aria_label)  
end  
elseif == 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(hiding_templatestyles))  
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', '')  
: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]  
) .. args.argHash  
else  
nav:attr('aria-label', cfg.aria_label .. args.argHash)  
end  
end  

if (args[cfg.arg.nocat] or cfg.keyword.nocat_false):lower == cfg.keyword.nocat_false then  
renderTrackingCategories(res, )  
end  
return striped(tostring(res), )  
end --p._navbox  

function p._withCollapsibleGroups(pargs)  
-- table for args passed to navbox  
local targs = {}  

-- process args  
local passthroughLocal = {  
[cfg.arg.bodystyle] = true,  
[cfg.arg.] = true,  
[cfg.arg.style] = true,  
}  
for k,v in pairs(pargs) do  
if k and type(k) == 'string' then  
if passthrough[k] or passthroughLocal[k] then  
targs[k] = v  
elseif (k:match(cfg.pattern.num)) then  
local n = k:match(cfg.pattern.num)  
local list_and_num = andnum('list', n)  
if ((k:match(cfg.pattern.listnum) or k:match(cfg.pattern.contentnum))  
and targs[list_and_num] == nil  
and pargs[andnum('group', n)] == nil  
and pargs[andnum('sect', n)] == nil  
and pargs[andnum('section', n)] == nil) then  
targs[list_and_num] = concatstrings({  
pargs[list_and_num] or '',  
pargs[andnum('content', n)] or ''  
})  
if (targs[list_and_num] and inArray(cfg.keyword.subgroups, targs[list_and_num])) then  
targs[list_and_num] = getSubgroup(pargs, n, targs[list_and_num])  
end  
elseif ((k:match(cfg.pattern.groupnum) or k:match(cfg.pattern.sectnum) or k:match(cfg.pattern.sectionnum))  
and targs[list_and_num] == nil) then  
local titlestyle = concatstyles({  
pargs[cfg.arg.groupstyle] or '',  
pargs[cfg.arg.secttitlestyle] or '',  
pargs[andnum('groupstyle', n)] or '',  
pargs[andnum('sectiontitlestyle', n)] or ''  
})  
local liststyle = concatstyles({  
pargs[cfg.arg.liststyle] or '',  
pargs[cfg.arg.contentstyle] or '',  
pargs[andnum('liststyle', n)] or '',  
pargs[andnum('contentstyle', n)] or ''  
})  
local title = concatstrings({  
pargs[andnum('group', n)] or '',  
pargs[andnum('sect', n)] or '',  
pargs[andnum('section', n)] or ''  
})  
local list = concatstrings({  
pargs[list_and_num] or '',  
pargs[andnum('content', n)] or ''  
})  
if list and inArray(cfg.keyword.subgroups, list) then  
list = getSubgroup(pargs, n, list)  
end  
local abbr_and_num = andnum('abbr', n)  
local state = (pargs[abbr_and_num] and pargs[abbr_and_num] == pargs[cfg.arg.selected])  
and cfg.keyword.state_uncollapsed  
or (pargs[andnum('state', n)] or cfg.keyword.state_collapsed)  

targs[list_and_num] =p._navbox({  
cfg.keyword.border_child,  
[cfg.arg.navbar] = cfg.keyword.navbar_plain,  
[cfg.arg.state] = state,  
[cfg.arg.basestyle] = pargs[cfg.arg.basestyle],  
[cfg.arg.title] = title,  
[cfg.arg.titlestyle] = titlestyle,  
[andnum('list', 1)] = list,  
[cfg.arg.liststyle] = liststyle,  
[cfg.arg.listclass] = pargs[andnum('listclass', n)],  
[cfg.arg.image] = pargs[andnum('image', n)],  
[cfg.arg.imageleft] = pargs[andnum('imageleft', n)],  
[cfg.arg.listpadding] = pargs[cfg.arg.listpadding],  
argHash = pargs.argHash  
})  
end  
end  
end  
end  
-- ordering of style and bodystyle  
targs[cfg.arg.style] = concatstyles({targs[cfg.arg.style] or *, targs[cfg.arg.bodystyle] or *})  
targs[cfg.arg.bodystyle] = nil  

-- child or subgroup  
if targs[cfg.arg.] == nil then targs[cfg.arg.] = pargs[1] end  

return p._navbox(targs)  
end --p._withCollapsibleGroups  

function p._withColumns(pargs)  
-- table for args passed to navbox  
local targs = {}  

-- tables of column numbers  
local colheadernums = {}  
local colnums = {}  
local colfooternums = {}  

-- process args  
local passthroughLocal = {  
[cfg.arg.evenstyle]=true,  
[cfg.arg.groupstyle]=true,  
[cfg.arg.liststyle]=true,  
[cfg.arg.oddstyle]=true,  
[cfg.arg.state]=true,  
}  
for k,v in pairs(pargs) do  
if passthrough[k] or passthroughLocal[k] then  
targs[k] = v  
elseif type(k) == 'string' then  
if k:match(cfg.pattern.listnum) then  
local n = k:match(cfg.pattern.listnum)  
targs[andnum('liststyle', n + 2)] = pargs[andnum('liststyle', n)]  
targs[andnum('group', n + 2)] = pargs[andnum('group', n)]  
targs[andnum('groupstyle', n + 2)] = pargs[andnum('groupstyle', n)]  
if v and inArray(cfg.keyword.subgroups, v) then  
targs[andnum('list', n + 2)] = getSubgroup(pargs, n, v)  
else  
targs[andnum('list', n + 2)] = v  
end  
elseif (k:match(cfg.pattern.colheadernum) and v ~= '') then  
table.insert(colheadernums, tonumber(k:match(cfg.pattern.colheadernum)))  
elseif (k:match(cfg.pattern.colnum) and v ~= '') then  
table.insert(colnums, tonumber(k:match(cfg.pattern.colnum)))  
elseif (k:match(cfg.pattern.colfooternum) and v ~= '') then  
table.insert(colfooternums, tonumber(k:match(cfg.pattern.colfooternum)))  
end  
end  
end  
table.sort(colheadernums)  
table.sort(colnums)  
table.sort(colfooternums)  

-- HTML table for list1  
local coltable = mw.html.create( 'table' ):addClass('navbox-columns-table')  
local row, col  

local tablestyle = ( (#colheadernums > 0) or (not isblank(pargs[cfg.arg.fullwidth])) )  
and 'width:100%'  
or 'width:auto; margin-:auto; margin-:auto'  

coltable:cssText(concatstyles({  
'-spacing: ; text-align:',  
tablestyle,  
pargs[cfg.arg.coltablestyle] or ''  
}))  

--- Header row ---  
if (#colheadernums > 0) then  
row = coltable:tag('tr')  
for k, n in ipairs(colheadernums) do  
col = row:tag('td'):addClass('navbox-abovebelow')  
col:cssText(concatstyles({  
(k > 1) and '-: solid #fdfdfd' or '',  
'font-weight:bold',  
pargs[cfg.arg.colheaderstyle] or '',  
pargs[andnum('colheaderstyle', n)] or ''  
}))  
col:attr('colspan', tonumber(pargs[andnum('colheadercolspan', n)]))  
col:wikitext(pargs[andnum('colheader', n)])  
end  
end  

--- Main columns ---  
row = coltable:tag('tr'):css('vertical-align', 'top')  
for k, n in ipairs(colnums) do  
if k == 1 and isblank(pargs[andnum('colheader', 1)])  
and isblank(pargs[andnum('colfooter', 1)])  
and isblank(pargs[cfg.arg.fullwidth]) then  
local nopad = inArray(  
{'off', '0', '0em', ''},  
mw.ustring.gsub(pargs[cfg.arg.padding] or *, '[;%%]', *))  
if not nopad then  
row:tag('td'):wikitext('&nbsp;&nbsp;&nbsp;')  
:css('width', (pargs[cfg.arg.padding] or '5em'))  
end  
end  
col = row:tag('td'):addClass('navbox-list')  
col:cssText(concatstyles({  
(k > 1) and '-: solid #fdfdfd' or '',  
'padding:',  
pargs[cfg.arg.colstyle] or '',  
((n%2 == 0) and pargs[cfg.arg.evencolstyle] or pargs[cfg.arg.oddcolstyle]) or '',  
pargs[andnum('colstyle', n)] or '',  
'width:' .. (pargs[andnum('colwidth', n)] or pargs[cfg.arg.colwidth] or '10em')  
}))  
local wt = pargs[andnum('col', n)]  
if wt and inArray(cfg.keyword.subgroups, wt) then  
wt = getSubgroup(pargs, n, wt, cfg.arg.col_and_num)  
end  
col:tag('div'):newline:wikitext(wt):newline  
end  

--- Footer row ---  
if (#colfooternums > 0) then  
row = coltable:tag('tr')  
for k, n in ipairs(colfooternums) do  
col = row:tag('td'):addClass('navbox-abovebelow')  
col:cssText(concatstyles({  
(k > 1) and '-: solid #fdfdfd' or '',  
'font-weight:bold',  
pargs[cfg.arg.colfooterstyle] or '',  
pargs[andnum('colfooterstyle', n)] or ''  
}))  
col:attr('colspan', tonumber(pargs[andnum('colfootercolspan', n)]))  
col:wikitext(pargs[andnum('colfooter', n)])  
end  
end  

-- assign table to list1  
targs[andnum('list', 1)] = tostring(coltable)  
if isblank(pargs[andnum('colheader', 1)])  
and isblank(pargs[andnum('col', 1)])  
and isblank(pargs[andnum('colfooter', 1)]) then  
targs[andnum('list', 1)] = targs[andnum('list', 1)] ..  
cfg.category.without_first_col  
end  

-- Other parameters  
targs[cfg.arg.] = pargs[cfg.arg.] or pargs[1]  
targs[cfg.arg.evenodd] = (not isblank(pargs[cfg.arg.evenodd])) and pargs[cfg.arg.evenodd] or nil  
targs[cfg.arg.list1padding] = ''  
targs[andnum('liststyle', 1)] = 'background:transparent;color:inherit;'  
targs[cfg.arg.style] = concatstyles({pargs[cfg.arg.style], pargs[cfg.arg.bodystyle]})  
targs[cfg.arg.tracking] = 'no'  

return p._navbox(targs)  
end --p._withColumns  

-- Template entry points  
function p.navbox (, boxtype)  
local function readArgs(args, prefix)  
-- Read the arguments in the order they'll be output in, to make references  
-- number in the order.  
local _ = 0  
_ = _ + (args[prefix .. cfg.arg.title] and #args[prefix .. cfg.arg.title] or 0)  
_ = _ + (args[prefix .. cfg.arg.above] and #args[prefix .. cfg.arg.above] or 0)  
-- 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[prefix .. andnum('group', i)] and #args[prefix .. andnum('group', i)] or 0)  
if inArray(cfg.keyword.subgroups, args[prefix .. andnum('list', i)]) then  
for _, v in ipairs(cfg.arg.subgroups_and_num) do  
readArgs(args, prefix .. string.format(v, i) .. "_")  
end  
readArgs(args, prefix .. andnum('col', i) .. "_")  
end  
end  
_ = _ + (args[prefix .. cfg.arg.below] and #args[prefix .. cfg.arg.below] or 0)  
return _  
end  

if not getArgs then  
getArgs = require('Module:Arguments').getArgs  
end  
local args = getArgs(, {wrappers = {cfg.pattern[boxtype or 'navbox']}})  
args.argHash = readArgs(args, "")  
args.type = args.type or cfg.keyword[boxtype]  
return p['_navbox'](args)  
end  

p[cfg.keyword.with_collapsible_groups] = function  
return p.navbox(, 'with_collapsible_groups')  
end  

p[cfg.keyword.with_columns] = function  
return p.navbox(, 'with_columns')  
end  

return p