モジュール:Navbox

--
-- This module implements 
--
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 = 
	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) == '
		-- 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('^') then
				line = 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 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; padding:0;'
		})
	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')
			-- id for aria-labelledby attribute
			:attr('id', mw.uri.anchorEncode(args.title))
			:addClass(args.titleclass)
			:css('font-size', '110%')
			: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')
				-- id for aria-labelledby attribute, if no title
				:attr('id', args.title and nil or mw.uri.anchorEncode(args.above))
				: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')
		-- id for aria-labelledby attribute, if lone group with no title or above
		if listnum == 1 and not (args.title or args.above or args.group2) then
			groupCell
				:attr('id', mw.uri.anchorEncode(args.group1))
		end
		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) == '*"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)
		:addClass(args'list' .. listnum .. 'class')
		: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 (listClassesargs.listclass or listClassesargs.bodyclass)
end
local function hasBackgroundColors()
	for _, key in ipairs({'titlestyle', 'groupstyle', 'basestyle', 'abovestyle', 'belowstyle'}) do
		if tostring(argskey):find('background', 1, true) then
			return true
		end
	end
end
local function hasBorders()
	for _, key in ipairs({'groupstyle', 'basestyle', 'abovestyle', 'belowstyle'}) do
		if tostring(argskey):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)}  to avoid the
		-- padding being applied, and at the end add a  to balance out the parent's 
		res
			:wikitext()
			:node(tbl)
			:wikitext()
	else
		local nav = res:tag('div')
			:attr('role', 'navigation')
			:addClass('navbox')
			:addClass(args.navboxclass)
			:cssText(args.bodystyle)
			:cssText(args.style)
			:css('padding', '3px')
			:node(tbl)
		-- aria-labelledby title, otherwise above, otherwise lone group
		if args.title or args.above or (args.group1 and not args.group2) then
			nav:attr('aria-labelledby', mw.uri.anchorEncode(args.title or args.above or args.group1))
		else
			nav:attr('aria-label', 'Navbox')
		end
	end
	if (args.nocat or 'false'):lower() == 'false' then
		renderTrackingCategories(res)
	end
	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 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