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require('strict') local p = {} local navbar = require('มอดูล:Navbar')._navbar local cfg = mw.loadData('มอดูล:Navbox/configuration') local getArgs -- lazily initialized local args local format = string.format  local function striped(wikitext, border) -- Return wikitext with markers replaced for odd/even striping. -- Child (subgroup) navboxes are flagged with a category that is removed -- by parent navboxes. The result is that the category shows all pages -- where a child navbox is not contained in a parent navbox. local orphanCat = cfg.category.orphan if border == cfg.keyword.border_subgroup and args[cfg.arg.orphan] ~= cfg.keyword.orphan_yes then -- No change; striping occurs in outermost navbox. return wikitext .. orphanCat end local first, second = cfg.class.navbox_odd_part, cfg.class.navbox_even_part if args[cfg.arg.evenodd] then if args[cfg.arg.evenodd] == cfg.keyword.evenodd_swap then first, second = second, first else first = args[cfg.arg.evenodd] second = first end end local changer if first == second then changer = first else local index = 0 changer = function (code) if code == '0' then -- Current occurrence is for a group before a nested table. -- Set it to first as a valid although pointless class. -- The next occurrence will be the first row after a title -- in a subgroup and will also be first. index = 0 return first end index = index + 1 return index % 2 == 1 and first or second end end local regex = orphanCat:gsub('([%[%]])', '%%%1') return (wikitext:gsub(regex, ''):gsub(cfg.marker.regex, changer)) -- () omits gsub count end  local function processItem(item, nowrapitems) if item:sub(1, 2) == '{|' then -- Applying nowrap to lines in a table does not make sense. -- Add newlines to compensate for trim of x in |parm=x in a template. return '\n' .. item ..'\n' end if nowrapitems == cfg.keyword.nowrapitems_yes then local lines = {} for line in (item .. '\n'):gmatch('([^\n]*)\n') do local prefix, content = line:match('^([*:;#]+)%s*(.*)') if prefix and not content:match(cfg.pattern.nowrap) then line = format(cfg.nowrap_item, prefix, content) end table.insert(lines, line) end item = table.concat(lines, '\n') end if item:match('^[*:;#]') then return '\n' .. item ..'\n' end return item end  local function has_navbar() return args[cfg.arg.navbar] ~= cfg.keyword.navbar_off and args[cfg.arg.navbar] ~= cfg.keyword.navbar_plain and ( args[cfg.arg.name] or mw.getCurrentFrame():getParent():getTitle():gsub(cfg.pattern.sandbox, '') ~= cfg.pattern.navbox ) end  local function renderNavBar(titleCell) if has_navbar() then titleCell:wikitext(navbar{ [cfg.navbar.name] = args[cfg.arg.name], [cfg.navbar.mini] = 1, [cfg.navbar.fontstyle] = (args[cfg.arg.basestyle] or '') .. ';' .. (args[cfg.arg.titlestyle] or '') .. ';background:none transparent;border:none;box-shadow:none;padding:0;' }) end  end  local function renderTitleRow(tbl) if not args[cfg.arg.title] then return end  local titleRow = tbl:tag('tr')  local titleCell = titleRow:tag('th'):attr('scope', 'col')  local titleColspan = 2 if args[cfg.arg.imageleft] then titleColspan = titleColspan + 1 end if args[cfg.arg.image] then titleColspan = titleColspan + 1 end  titleCell :cssText(args[cfg.arg.basestyle]) :cssText(args[cfg.arg.titlestyle]) :addClass(cfg.class.navbox_title) :attr('colspan', titleColspan)  renderNavBar(titleCell)  titleCell :tag('div') -- id for aria-labelledby attribute :attr('id', mw.uri.anchorEncode(args[cfg.arg.title])) :addClass(args[cfg.arg.titleclass]) :css('font-size', '114%') :css('margin', '0 4em') :wikitext(processItem(args[cfg.arg.title])) end  local function getAboveBelowColspan() local ret = 2 if args[cfg.arg.imageleft] then ret = ret + 1 end if args[cfg.arg.image] then ret = ret + 1 end return ret end  local function renderAboveRow(tbl) if not args[cfg.arg.above] then return end  tbl:tag('tr') :tag('td') :addClass(cfg.class.navbox_abovebelow) :addClass(args[cfg.arg.aboveclass]) :cssText(args[cfg.arg.basestyle]) :cssText(args[cfg.arg.abovestyle]) :attr('colspan', getAboveBelowColspan()) :tag('div') -- id for aria-labelledby attribute, if no title :attr('id', (not args[cfg.arg.title]) and mw.uri.anchorEncode(args[cfg.arg.above]) 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', '1px') -- Minimize width :css('padding', '0 2px 0 0') :cssText(args[cfg.arg.imageleftstyle]) :attr('rowspan', listnums_size) :tag('div') :wikitext(processItem(args[cfg.arg.imageleft])) end  local group_and_num = format(cfg.arg.group_and_num, listnum) local groupstyle_and_num = format(cfg.arg.groupstyle_and_num, listnum) if args[group_and_num] then local groupCell = row:tag('th')  -- id for aria-labelledby attribute, if lone group with no title or above if listnum == 1 and not (args[cfg.arg.title] or args[cfg.arg.above] or args[cfg.arg.group2]) then groupCell :attr('id', mw.uri.anchorEncode(args[cfg.arg.group1])) end  groupCell :attr('scope', 'row') :addClass(cfg.class.navbox_group) :addClass(args[cfg.arg.groupclass]) :cssText(args[cfg.arg.basestyle]) -- If groupwidth not specified, minimize width :css('width', args[cfg.arg.groupwidth] or '1%')  groupCell :cssText(args[cfg.arg.groupstyle]) :cssText(args[groupstyle_and_num]) :wikitext(args[group_and_num]) end  local listCell = row:tag('td')  if args[group_and_num] then listCell :addClass(cfg.class.navbox_list_with_group) else listCell:attr('colspan', 2) end  if not args[cfg.arg.groupwidth] then listCell:css('width', '100%') end  local rowstyle -- usually nil so cssText(rowstyle) usually adds nothing if index % 2 == 1 then rowstyle = args[cfg.arg.oddstyle] else rowstyle = args[cfg.arg.evenstyle] end  local list_and_num = format(cfg.arg.list_and_num, listnum) local listText = args[list_and_num] local oddEven = cfg.marker.oddeven if listText:sub(1, 12) == '</div><table' then -- Assume list text is for a subgroup navbox so no automatic striping for this row. oddEven = listText:find(cfg.pattern.navbox_title) and cfg.marker.restart or cfg.class.navbox_odd_part end  local liststyle_and_num = format(cfg.arg.liststyle_and_num, listnum) local listclass_and_num = format(cfg.arg.listclass_and_num, listnum) listCell :css('padding', '0') :cssText(args[cfg.arg.liststyle]) :cssText(rowstyle) :cssText(args[liststyle_and_num]) :addClass(cfg.class.navbox_list) :addClass(cfg.class.navbox_part .. oddEven) :addClass(args[cfg.arg.listclass]) :addClass(args[listclass_and_num]) :tag('div') :css('padding', (index == 1 and args[cfg.arg.list1padding]) or args[cfg.arg.listpadding] or '0 0.25em' ) :wikitext(processItem(listText, args[cfg.arg.nowrapitems]))  if index == 1 and args[cfg.arg.image] then row :tag('td') :addClass(cfg.class.noviewer) :addClass(cfg.class.navbox_image) :addClass(args[cfg.arg.imageclass]) :css('width', '1px') -- Minimize width :css('padding', '0 0 0 2px') :cssText(args[cfg.arg.imagestyle]) :attr('rowspan', listnums_size) :tag('div') :wikitext(processItem(args[cfg.arg.image])) end end  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 frame = mw.getCurrentFrame() local function add_list_templatestyles(htmlclass, templatestyles) if has_list_class(htmlclass) then return frame: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 = frame: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(border) if border == cfg.keyword.border_subgroup or args[cfg.arg.tracking] == cfg.keyword.tracking_no then return false end return not has_list_class(cfg.pattern.hlist) and not has_list_class(cfg.pattern.plainlist) end  local function hasBackgroundColors() for _, key in ipairs({cfg.arg.titlestyle, cfg.arg.groupstyle, cfg.arg.basestyle, cfg.arg.abovestyle, cfg.arg.belowstyle}) do if tostring(args[key]):find('background', 1, true) then return true end end return false end  local function hasBorders() for _, key in ipairs({cfg.arg.groupstyle, cfg.arg.basestyle, cfg.arg.abovestyle, cfg.arg.belowstyle}) do if tostring(args[key]):find('border', 1, true) then return true end end return false end  local function isIllegible() local styleratio = require('มอดูล:Color contrast')._styleratio for key, style in pairs(args) do if tostring(key):match(cfg.pattern.style) then if styleratio{mw.text.unstripNoWiki(style)} < 4.5 then return true end end end return false end  local function getTrackingCategories(border) local cats = {} if needsHorizontalLists(border) then table.insert(cats, cfg.category.horizontal_lists) end if hasBackgroundColors() then table.insert(cats, cfg.category.background_colors) end if isIllegible() then table.insert(cats, cfg.category.illegible) end if hasBorders() then table.insert(cats, cfg.category.borders) end return cats end  local function renderTrackingCategories(builder, border) local title = mw.title.getCurrentTitle() if title.namespace ~= 10 then return end -- not in template space local subpage = title.subpageText if subpage == cfg.keyword.subpage_doc or subpage == cfg.keyword.subpage_sandbox or subpage == cfg.keyword.subpage_testcases then return end  for _, cat in ipairs(getTrackingCategories(border)) do builder:wikitext('[[หมวดหมู่:' .. cat .. ']]') end end  local function renderMainTable(border, listnums) local tbl = mw.html.create('table') :addClass(cfg.class.nowraplinks) :addClass(args[cfg.arg.bodyclass])  local state = args[cfg.arg.state] if args[cfg.arg.title] and state ~= cfg.keyword.state_plain and state ~= cfg.keyword.state_off then if state == cfg.keyword.state_collapsed then state = cfg.class.collapsed end tbl :addClass(cfg.class.collapsible) :addClass(state or cfg.class.autocollapse) end  tbl:css('border-spacing', 0) if border == cfg.keyword.border_subgroup or border == cfg.keyword.border_none then tbl :addClass(cfg.class.navbox_subgroup) :cssText(args[cfg.arg.bodystyle]) :cssText(args[cfg.arg.style]) else -- regular navbox - bodystyle and style will be applied to the wrapper table tbl :addClass(cfg.class.navbox_inner) :css('background', 'transparent') :css('color', 'inherit') end tbl:cssText(args[cfg.arg.innerstyle])  renderTitleRow(tbl) renderAboveRow(tbl) local listnums_size = #listnums for i, listnum in ipairs(listnums) do renderListRow(tbl, i, listnum, listnums_size) end renderBelowRow(tbl)  return tbl end  local function add_navbox_styles(hiding_templatestyles) local frame = mw.getCurrentFrame() -- This is a lambda so that it doesn't need the frame as a parameter local function add_user_styles(templatestyles) if templatestyles and templatestyles ~= '' then return frame:extensionTag{ name = 'templatestyles', args = { src = templatestyles } } end return '' end  -- get templatestyles. load base from config so that Lua only needs to do -- the work once of parser tag expansion local base_templatestyles = cfg.templatestyles local templatestyles = add_user_styles(args[cfg.arg.templatestyles]) local child_templatestyles = add_user_styles(args[cfg.arg.child_templatestyles])  -- The 'navbox-styles' div exists 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 function move_hiding_templatestyles(args) local gfind = string.gfind local gsub = string.gsub local templatestyles_markers = {} local strip_marker_pattern = '(\127[^\127]*UNIQ%-%-templatestyles%-%x+%-QINU[^\127]*\127)' for k, arg in pairs(args) do for marker in gfind(arg, strip_marker_pattern) do table.insert(templatestyles_markers, marker) end args[k] = gsub(arg, strip_marker_pattern, '') end return templatestyles_markers end  function p._navbox(navboxArgs) args = navboxArgs local hiding_templatestyles = move_hiding_templatestyles(args) local listnums = {}  for k, _ in pairs(args) do if type(k) == 'string' then local listnum = k:match(cfg.pattern.listnum) if listnum then table.insert(listnums, tonumber(listnum)) end end end table.sort(listnums)  local border = mw.text.trim(args[cfg.arg.border] or args[1] or '') if border == cfg.keyword.border_child then border = cfg.keyword.border_subgroup end  -- render the main body of the navbox local tbl = renderMainTable(border, listnums)  local res = mw.html.create() -- render the appropriate wrapper for the navbox, based on the border param  if border == cfg.keyword.border_none then res:node(add_navbox_styles(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] ) ) else nav:attr('aria-label', cfg.aria_label) end elseif border == cfg.keyword.border_subgroup then -- We assume that this navbox is being rendered in a list cell of a -- parent navbox, and is therefore inside a div with padding:0em 0.25em. -- We start with a </div> to avoid the padding being applied, and at the -- end add a <div> to balance out the parent's </div> res :wikitext('</div>') :node(tbl) :wikitext('<div>') else res:node(add_navbox_styles(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', '3px') :node(tbl) -- aria-labelledby title, otherwise above, otherwise lone group if args[cfg.arg.title] or args[cfg.arg.above] or (args[cfg.arg.group1] and not args[cfg.arg.group2]) then nav:attr( 'aria-labelledby', mw.uri.anchorEncode(args[cfg.arg.title] or args[cfg.arg.above] or args[cfg.arg.group1]) ) else nav:attr('aria-label', cfg.aria_label) end end  if (args[cfg.arg.nocat] or cfg.keyword.nocat_false):lower() == cfg.keyword.nocat_false then renderTrackingCategories(res, border) end return striped(tostring(res), border) end  function p.navbox(frame) if not getArgs then getArgs = require('มอดูล:Arguments').getArgs end args = getArgs(frame, {wrappers = {cfg.pattern.navbox}})  -- Read the arguments in the order they'll be output in, to make references -- number in the right order. local _ _ = args[cfg.arg.title] _ = args[cfg.arg.above] -- Limit this to 20 as covering 'most' cases (that's a SWAG) and because -- iterator approach won't work here for i = 1, 20 do _ = args[format(cfg.arg.group_and_num, i)] _ = args[format(cfg.arg.list_and_num, i)] end _ = args[cfg.arg.below]  return p._navbox(args) end  return p