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

-- This is a meta-module for producing message box templates, including
-- {{mbox}}, {{ambox}}, {{imbox}}, {{tmbox}}, {{ombox}}, {{cmbox}} and {{fmbox}}.

-- Load necessary modules.
require('Module:No globals')
local getArgs
local categoryHandler = require('Module:Category handler')._main
local yesno = require('Module:Yesno')

-- Get a language object for formatDate and ucfirst.
local lang = mw.language.getContentLanguage()

--------------------------------------------------------------------------------
-- Helper functions
--------------------------------------------------------------------------------

local function getTitleObject(...)
	-- Get the title object, passing the function through pcall
	-- in case we are over the expensive function count limit.
	local success, title = pcall(mw.title.new, ...)
	if success then
		return title
	end
end

local function union(t1, t2)
	-- Returns the union of two arrays.
	local vals = {}
	for i, v in ipairs(t1) do
		vals[v] = true
	end
	for i, v in ipairs(t2) do
		vals[v] = true
	end
	local ret = {}
	for k in pairs(vals) do
		table.insert(ret, k)
	end
	table.sort(ret)
	return ret
end

local function getArgNums(args, prefix)
	local nums = {}
	for k, v in pairs(args) do
		local num = mw.ustring.match(tostring(k), '^' .. prefix .. '([1-9]%d*)$')
		if num then
			table.insert(nums, tonumber(num))
		end
	end
	table.sort(nums)
	return nums
end

--------------------------------------------------------------------------------
-- Box class definition
--------------------------------------------------------------------------------

local MessageBox = {}
MessageBox.__index = MessageBox

function MessageBox.new(boxType, args, cfg)
	args = args or {}
	local obj = {}

	-- Set the title object and the namespace.
	obj.title = getTitleObject(args.page) or mw.title.getCurrentTitle()

	-- Set the config for our box type.
	obj.cfg = cfg[boxType]
	if not obj.cfg then
		local ns = obj.title.namespace
		-- boxType is "mbox" or invalid input
		if ns == 0 then
			obj.cfg = cfg.ambox -- main namespace
		elseif ns == 6 then
			obj.cfg = cfg.imbox -- file namespace
		elseif ns == 14 then
			obj.cfg = cfg.cmbox -- category namespace
		else
			local nsTable = mw.site.namespaces[ns]
			if nsTable and nsTable.isTalk then
				obj.cfg = cfg.tmbox -- any talk namespace
			else
				obj.cfg = cfg.ombox -- other namespaces or invalid input
			end
		end
	end

	-- Set the arguments, and remove all blank arguments except for the ones
	-- listed in cfg.allowBlankParams.
	do
		local newArgs = {}
		for k, v in pairs(args) do
			if v ~= '' then
				newArgs[k] = v
			end
		end
		for i, param in ipairs(obj.cfg.allowBlankParams or {}) do
			newArgs[param] = args[param]
		end
		obj.args = newArgs
	end

	-- Define internal data structure.
	obj.categories = {}
	obj.classes = {}

	return setmetatable(obj, MessageBox)
end

function MessageBox:addCat(ns, cat, sort)
	if not cat then
		return nil
	end
	if sort then
		cat = string.format('[[Category:%s|%s]]', cat, sort)
	else
		cat = string.format('[[Category:%s]]', cat)
	end
	self.categories[ns] = self.categories[ns] or {}
	table.insert(self.categories[ns], cat)
end

function MessageBox:addClass(class)
	if not class then
		return nil
	end
	table.insert(self.classes, class)
end

function MessageBox:setParameters()
	local args = self.args
	local cfg = self.cfg

	-- Get type data.
	self.type = args.type
	local typeData = cfg.types[self.type]
	self.invalidTypeError = cfg.showInvalidTypeError
		and self.type
		and not typeData
	typeData = typeData or cfg.types[cfg.default]
	self.typeClass = typeData.class
	self.typeImage = typeData.image

	-- Find if the box has been wrongly substituted.
	self.isSubstituted = cfg.substCheck and args.subst == 'SUBST'

	-- Find whether we are using a small message box.
	self.isSmall = cfg.allowSmall and (
		cfg.smallParam and args.small == cfg.smallParam
		or not cfg.smallParam and yesno(args.small)
	)

	-- Add attributes, classes and styles.
	self.id = args.id
	self:addClass(
		cfg.usePlainlinksParam and yesno(args.plainlinks or true) and 'plainlinks'
	)
	for _, class in ipairs(cfg.classes or {}) do
		self:addClass(class)
	end
	if self.isSmall then
		self:addClass(cfg.smallClass or 'mbox-small')
	end
	self:addClass(self.typeClass)
	self:addClass(args.class)
	self.style = args.style
	self.attrs = args.attrs

	-- Set text style.
	self.textstyle = args.textstyle

	-- Find if we are on the template page or not. This functionality is only
	-- used if useCollapsibleTextFields is set, or if both cfg.templateCategory
	-- and cfg.templateCategoryRequireName are set.
	self.useCollapsibleTextFields = cfg.useCollapsibleTextFields
	if self.useCollapsibleTextFields
		or cfg.templateCategory
		and cfg.templateCategoryRequireName
	then
		self.name = args.name
		if self.name then
			local templateName = mw.ustring.match(
				self.name,
				'^[tT][eE][mM][pP][lL][aA][tT][eE][%s_]*:[%s_]*(.*)$'
			) or self.name
			templateName = 'Template:' .. templateName
			self.templateTitle = getTitleObject(templateName)
		end
		self.isTemplatePage = self.templateTitle
			and mw.title.equals(self.title, self.templateTitle)
	end

	-- Process data for collapsible text fields. At the moment these are only
	-- used in {{ambox}}.
	if self.useCollapsibleTextFields then
		-- Get the self.issue value.
		if self.isSmall and args.smalltext then
			self.issue = args.smalltext
		else
			local sect
			if args.sect == '' then
				sect = 'This ' .. (cfg.sectionDefault or 'page')
			elseif type(args.sect) == 'string' then
				sect = 'This ' .. args.sect
			end
			local issue = args.issue
			issue = type(issue) == 'string' and issue ~= '' and issue or nil
			local text = args.text
			text = type(text) == 'string' and text or nil
			local issues = {}
			table.insert(issues, sect)
			table.insert(issues, issue)
			table.insert(issues, text)
			self.issue = table.concat(issues, ' ')
		end

		-- Get the self.talk value.
		local talk = args.talk
		-- Show talk links on the template page or template subpages if the talk
		-- parameter is blank.
		if talk == ''
			and self.templateTitle
			and (
				mw.title.equals(self.templateTitle, self.title)
				or self.title:isSubpageOf(self.templateTitle)
			)
		then
			talk = '#'
		elseif talk == '' then
			talk = nil
		end
		if talk then
			-- If the talk value is a talk page, make a link to that page. Else
			-- assume that it's a section heading, and make a link to the talk
			-- page of the current page with that section heading.
			local talkTitle = getTitleObject(talk)
			local talkArgIsTalkPage = true
			if not talkTitle or not talkTitle.isTalkPage then
				talkArgIsTalkPage = false
				talkTitle = getTitleObject(
					self.title.text,
					mw.site.namespaces[self.title.namespace].talk.id
				)
			end
			if talkTitle and talkTitle.exists then
				local talkText = 'Relevant discussion may be found on'
				if talkArgIsTalkPage then
					talkText = string.format(
						'%s [[%s|%s]].',
						talkText,
						talk,
						talkTitle.prefixedText
					)
				else
					talkText = string.format(
						'%s the [[%s#%s|talk page]].',
						talkText,
						talkTitle.prefixedText,
						talk
					)
				end
				self.talk = talkText
			end
		end

		-- Get other values.
		self.fix = args.fix ~= '' and args.fix or nil
		local date
		if args.date and args.date ~= '' then
			date = args.date
		elseif args.date == '' and self.isTemplatePage then
			date = lang:formatDate('F Y')
		end
		if date then
			self.date = string.format(" <small>''(%s)''</small>", date)
		end
		self.info = args.info
	end

	-- Set the non-collapsible text field. At the moment this is used by all box
	-- types other than ambox, and also by ambox when small=yes.
	if self.isSmall then
		self.text = args.smalltext or args.text
	else
		self.text = args.text
	end

	-- Set the below row.
	self.below = cfg.below and args.below

	-- General image settings.
	self.imageCellDiv = not self.isSmall and cfg.imageCellDiv
	self.imageEmptyCell = cfg.imageEmptyCell
	if cfg.imageEmptyCellStyle then
		self.imageEmptyCellStyle = 'border:none;padding:0px;width:1px'
	end

	-- Left image settings.
	local imageLeft = self.isSmall and args.smallimage or args.image
	if cfg.imageCheckBlank and imageLeft ~= 'blank' and imageLeft ~= 'none'
		or not cfg.imageCheckBlank and imageLeft ~= 'none'
	then
		self.imageLeft = imageLeft
		if not imageLeft then
			local imageSize = self.isSmall
				and (cfg.imageSmallSize or '30x30px')
				or '40x40px'
			self.imageLeft = string.format('[[File:%s|%s|link=|alt=]]', self.typeImage
				or 'Imbox notice.png', imageSize)
		end
	end

	-- Right image settings.
	local imageRight = self.isSmall and args.smallimageright or args.imageright
	if not (cfg.imageRightNone and imageRight == 'none') then
		self.imageRight = imageRight
	end
end

function MessageBox:setMainspaceCategories()
	local args = self.args
	local cfg = self.cfg

	if not cfg.allowMainspaceCategories then
		return nil
	end

	local nums = {}
	for _, prefix in ipairs{'cat', 'category', 'all'} do
		args[prefix .. '1'] = args[prefix]
		nums = union(nums, getArgNums(args, prefix))
	end

	-- The following is roughly equivalent to the old {{Ambox/category}}.
	local date = args.date
	date = type(date) == 'string' and date
	local preposition = 'from'
	for _, num in ipairs(nums) do
		local mainCat = args['cat' .. tostring(num)]
			or args['category' .. tostring(num)]
		local allCat = args['all' .. tostring(num)]
		mainCat = type(mainCat) == 'string' and mainCat
		allCat = type(allCat) == 'string' and allCat
		if mainCat and date and date ~= '' then
			local catTitle = string.format('%s %s %s', mainCat, preposition, date)
			self:addCat(0, catTitle)
			catTitle = getTitleObject('Category:' .. catTitle)
			if not catTitle or not catTitle.exists then
				self:addCat(0, 'Articles with invalid date parameter in template')
			end
		elseif mainCat and (not date or date == '') then
			self:addCat(0, mainCat)
		end
		if allCat then
			self:addCat(0, allCat)
		end
	end
end

function MessageBox:setTemplateCategories()
	local args = self.args
	local cfg = self.cfg

	-- Add template categories.
	if cfg.templateCategory then
		if cfg.templateCategoryRequireName then
			if self.isTemplatePage then
				self:addCat(10, cfg.templateCategory)
			end
		elseif not self.title.isSubpage then
			self:addCat(10, cfg.templateCategory)
		end
	end

	-- Add template error categories.
	if cfg.templateErrorCategory then
		local templateErrorCategory = cfg.templateErrorCategory
		local templateCat, templateSort
		if not self.name and not self.title.isSubpage then
			templateCat = templateErrorCategory
		elseif self.isTemplatePage then
			local paramsToCheck = cfg.templateErrorParamsToCheck or {}
			local count = 0
			for i, param in ipairs(paramsToCheck) do
				if not args[param] then
					count = count + 1
				end
			end
			if count > 0 then
				templateCat = templateErrorCategory
				templateSort = tostring(count)
			end
			if self.categoryNums and #self.categoryNums > 0 then
				templateCat = templateErrorCategory
				templateSort = 'C'
			end
		end
		self:addCat(10, templateCat, templateSort)
	end
end

function MessageBox:setAllNamespaceCategories()
	-- Set categories for all namespaces.
	if self.invalidTypeError then
		local allSort = (self.title.namespace == 0 and 'Main:' or '') .. self.title.prefixedText
		self:addCat('all', 'Wikipedia message box parameter needs fixing', allSort)
	end
	if self.isSubstituted then
		self:addCat('all', 'Pages with incorrectly substituted templates')
	end
end

function MessageBox:setCategories()
	if self.title.namespace == 0 then
		self:setMainspaceCategories()
	elseif self.title.namespace == 10 then
		self:setTemplateCategories()
	end
	self:setAllNamespaceCategories()
end

function MessageBox:renderCategories()
	-- Convert category tables to strings and pass them through
	-- [[Module:Category handler]].
	return categoryHandler{
		main = table.concat(self.categories[0] or {}),
		template = table.concat(self.categories[10] or {}),
		all = table.concat(self.categories.all or {}),
		nocat = self.args.nocat,
		page = self.args.page
	}
end

function MessageBox:export()
	local root = mw.html.create()

	-- Add the subst check error.
	if self.isSubstituted and self.name then
		root:tag('b')
			:addClass('error')
			:wikitext(string.format(
				'Template <code>%s[[Template:%s|%s]]%s</code> has been incorrectly substituted.',
				mw.text.nowiki('{{'), self.name, self.name, mw.text.nowiki('}}')
			))
	end

	-- Create the box table.
	local boxTable = root:tag('table')
	boxTable:attr('id', self.id or nil)
	for i, class in ipairs(self.classes or {}) do
		boxTable:addClass(class or nil)
	end
	boxTable
		:cssText(self.style or nil)
		:attr('role', 'presentation')

	if self.attrs then
		boxTable:attr(self.attrs)
	end

	-- Add the left-hand image.
	local row = boxTable:tag('tr')
	if self.imageLeft then
		local imageLeftCell = row:tag('td'):addClass('mbox-image')
		if self.imageCellDiv then
			-- If we are using a div, redefine imageLeftCell so that the image
			-- is inside it. Divs use style="width: 52px;", which limits the
			-- image width to 52px. If any images in a div are wider than that,
			-- they may overlap with the text or cause other display problems.
			imageLeftCell = imageLeftCell:tag('div'):css('width', '52px')
		end
		imageLeftCell:wikitext(self.imageLeft or nil)
	elseif self.imageEmptyCell then
		-- Some message boxes define an empty cell if no image is specified, and
		-- some don't. The old template code in templates where empty cells are
		-- specified gives the following hint: "No image. Cell with some width
		-- or padding necessary for text cell to have 100% width."
		row:tag('td')
			:addClass('mbox-empty-cell')
			:cssText(self.imageEmptyCellStyle or nil)
	end

	-- Add the text.
	local textCell = row:tag('td'):addClass('mbox-text')
	if self.useCollapsibleTextFields then
		-- The message box uses advanced text parameters that allow things to be
		-- collapsible. At the moment, only ambox uses this.
		textCell:cssText(self.textstyle or nil)
		local textCellSpan = textCell:tag('span')
		textCellSpan
			:addClass('mbox-text-span')
			:wikitext(self.issue or nil)
		if not self.isSmall then
			textCellSpan:tag('span')
				:addClass('hide-when-compact')
				:wikitext(self.talk and (' ' .. self.talk) or nil)
				:wikitext(self.fix and (' ' .. self.fix) or nil)
		end
		textCellSpan:wikitext(self.date and (' ' .. self.date) or nil)
		if not self.isSmall then
			textCellSpan
				:tag('span')
				:addClass('hide-when-compact')
				:wikitext(self.info and (' ' .. self.info) or nil)
		end
	else
		-- Default text formatting - anything goes.
		textCell
			:cssText(self.textstyle or nil)
			:wikitext(self.text or nil)
	end

	-- Add the right-hand image.
	if self.imageRight then
		local imageRightCell = row:tag('td'):addClass('mbox-imageright')
		if self.imageCellDiv then
			-- If we are using a div, redefine imageRightCell so that the image
			-- is inside it.
			imageRightCell = imageRightCell:tag('div'):css('width', '52px')
		end
		imageRightCell
			:wikitext(self.imageRight or nil)
	end

	-- Add the below row.
	if self.below then
		boxTable:tag('tr')
			:tag('td')
				:attr('colspan', self.imageRight and '3' or '2')
				:addClass('mbox-text')
				:cssText(self.textstyle or nil)
				:wikitext(self.below or nil)
	end

	-- Add error message for invalid type parameters.
	if self.invalidTypeError then
		root:tag('div')
			:css('text-align', 'center')
			:wikitext(string.format(
				'This message box is using an invalid "type=%s" parameter and needs fixing.',
				self.type or ''
			))
	end

	-- Add categories.
	root:wikitext(self:renderCategories() or nil)

	return tostring(root)
end

--------------------------------------------------------------------------------
-- Exports
--------------------------------------------------------------------------------

local p, mt = {}, {}

function p._exportClasses()
	-- For testing.
	return {
		MessageBox = MessageBox
	}
end

function p.main(boxType, args, cfgTables)
	local box = MessageBox.new(boxType, args, cfgTables or mw.loadData('Module:Message box/configuration'))
	box:setParameters()
	box:setCategories()
	return box:export()
end

function mt.__index(t, k)
	return function (frame)
		if not getArgs then
			getArgs = require('Module:Arguments').getArgs
		end
		return t.main(k, getArgs(frame, {trim = false, removeBlanks = false}))
	end
end

return setmetatable(p, mt)

-- This is a meta-module for producing message box templates, including

-- , , Template:Imbox, , , Template:Cmbox and Template:Fmbox.

-- Load necessary modules. require('Module:No globals') local getArgs local categoryHandler = require('Module:Category handler')._main local yesno = require('Module:Yesno')

-- Get a language object for formatDate and ucfirst. local lang = mw.language.getContentLanguage()


-- Helper functions


local function getTitleObject(...) -- Get the title object, passing the function through pcall -- in case we are over the expensive function count limit. local success, title = pcall(mw.title.new, ...) if success then return title end end

local function union(t1, t2) -- Returns the union of two arrays. local vals = {} for i, v in ipairs(t1) do vals[v] = true end for i, v in ipairs(t2) do vals[v] = true end local ret = {} for k in pairs(vals) do table.insert(ret, k) end table.sort(ret) return ret end

local function getArgNums(args, prefix) local nums = {} for k, v in pairs(args) do local num = mw.ustring.match(tostring(k), '^' .. prefix .. '([1-9]%d*)$') if num then table.insert(nums, tonumber(num)) end end table.sort(nums) return nums end


-- Box class definition


local MessageBox = {} MessageBox.__index = MessageBox

function MessageBox.new(boxType, args, cfg) args = args or {} local obj = {}

-- Set the title object and the namespace. obj.title = getTitleObject(args.page) or mw.title.getCurrentTitle()

-- Set the config for our box type. obj.cfg = cfg[boxType] if not obj.cfg then local ns = obj.title.namespace -- boxType is "mbox" or invalid input if ns == 0 then obj.cfg = cfg.ambox -- main namespace elseif ns == 6 then obj.cfg = cfg.imbox -- file namespace elseif ns == 14 then obj.cfg = cfg.cmbox -- category namespace else local nsTable = mw.site.namespaces[ns] if nsTable and nsTable.isTalk then obj.cfg = cfg.tmbox -- any talk namespace else obj.cfg = cfg.ombox -- other namespaces or invalid input end end end

-- Set the arguments, and remove all blank arguments except for the ones -- listed in cfg.allowBlankParams. do local newArgs = {} for k, v in pairs(args) do if v ~= then newArgs[k] = v end end for i, param in ipairs(obj.cfg.allowBlankParams or {}) do newArgs[param] = args[param] end obj.args = newArgs end

-- Define internal data structure. obj.categories = {} obj.classes = {}

return setmetatable(obj, MessageBox) end

function MessageBox:addCat(ns, cat, sort) if not cat then return nil end if sort then cat = string.format(, cat, sort) else cat = string.format(, cat) end self.categories[ns] = self.categories[ns] or {} table.insert(self.categories[ns], cat) end

function MessageBox:addClass(class) if not class then return nil end table.insert(self.classes, class) end

function MessageBox:setParameters() local args = self.args local cfg = self.cfg

-- Get type data. self.type = args.type local typeData = cfg.types[self.type] self.invalidTypeError = cfg.showInvalidTypeError and self.type and not typeData typeData = typeData or cfg.types[cfg.default] self.typeClass = typeData.class self.typeImage = typeData.image

-- Find if the box has been wrongly substituted. self.isSubstituted = cfg.substCheck and args.subst == 'SUBST'

-- Find whether we are using a small message box. self.isSmall = cfg.allowSmall and ( cfg.smallParam and args.small == cfg.smallParam or not cfg.smallParam and yesno(args.small) )

-- Add attributes, classes and styles. self.id = args.id self:addClass( cfg.usePlainlinksParam and yesno(args.plainlinks or true) and 'plainlinks' ) for _, class in ipairs(cfg.classes or {}) do self:addClass(class) end if self.isSmall then self:addClass(cfg.smallClass or 'mbox-small') end self:addClass(self.typeClass) self:addClass(args.class) self.style = args.style self.attrs = args.attrs

-- Set text style. self.textstyle = args.textstyle

-- Find if we are on the template page or not. This functionality is only -- used if useCollapsibleTextFields is set, or if both cfg.templateCategory -- and cfg.templateCategoryRequireName are set. self.useCollapsibleTextFields = cfg.useCollapsibleTextFields if self.useCollapsibleTextFields or cfg.templateCategory and cfg.templateCategoryRequireName then self.name = args.name if self.name then local templateName = mw.ustring.match( self.name, '^[tT][eE][mM][pP][lL][aA][tT][eE][%s_]*:[%s_]*(.*)$' ) or self.name templateName = 'Template:' .. templateName self.templateTitle = getTitleObject(templateName) end self.isTemplatePage = self.templateTitle and mw.title.equals(self.title, self.templateTitle) end

-- Process data for collapsible text fields. At the moment these are only

-- used in .

if self.useCollapsibleTextFields then -- Get the self.issue value. if self.isSmall and args.smalltext then self.issue = args.smalltext else local sect if args.sect == then sect = 'This ' .. (cfg.sectionDefault or 'page') elseif type(args.sect) == 'string' then sect = 'This ' .. args.sect end local issue = args.issue issue = type(issue) == 'string' and issue ~= and issue or nil local text = args.text text = type(text) == 'string' and text or nil local issues = {} table.insert(issues, sect) table.insert(issues, issue) table.insert(issues, text) self.issue = table.concat(issues, ' ') end

-- Get the self.talk value. local talk = args.talk -- Show talk links on the template page or template subpages if the talk -- parameter is blank. if talk == and self.templateTitle and ( mw.title.equals(self.templateTitle, self.title) or self.title:isSubpageOf(self.templateTitle) ) then talk = '#' elseif talk == then talk = nil end if talk then -- If the talk value is a talk page, make a link to that page. Else -- assume that it's a section heading, and make a link to the talk -- page of the current page with that section heading. local talkTitle = getTitleObject(talk) local talkArgIsTalkPage = true if not talkTitle or not talkTitle.isTalkPage then talkArgIsTalkPage = false talkTitle = getTitleObject( self.title.text, mw.site.namespaces[self.title.namespace].talk.id ) end if talkTitle and talkTitle.exists then local talkText = 'Relevant discussion may be found on' if talkArgIsTalkPage then talkText = string.format( '%s %s.', talkText, talk, talkTitle.prefixedText ) else talkText = string.format( '%s the talk page.', talkText, talkTitle.prefixedText, talk ) end self.talk = talkText end end

-- Get other values. self.fix = args.fix ~= and args.fix or nil local date if args.date and args.date ~= then date = args.date elseif args.date == and self.isTemplatePage then date = lang:formatDate('F Y') end if date then self.date = string.format(" (%s)", date) end self.info = args.info end

-- Set the non-collapsible text field. At the moment this is used by all box -- types other than ambox, and also by ambox when small=yes. if self.isSmall then self.text = args.smalltext or args.text else self.text = args.text end

-- Set the below row. self.below = cfg.below and args.below

-- General image settings. self.imageCellDiv = not self.isSmall and cfg.imageCellDiv self.imageEmptyCell = cfg.imageEmptyCell if cfg.imageEmptyCellStyle then self.imageEmptyCellStyle = 'border:none;padding:0px;width:1px' end

-- Left image settings. local imageLeft = self.isSmall and args.smallimage or args.image if cfg.imageCheckBlank and imageLeft ~= 'blank' and imageLeft ~= 'none' or not cfg.imageCheckBlank and imageLeft ~= 'none' then self.imageLeft = imageLeft if not imageLeft then local imageSize = self.isSmall and (cfg.imageSmallSize or '30x30px') or '40x40px' self.imageLeft = string.format('%s', self.typeImage or 'Imbox notice.png', imageSize) end end

-- Right image settings. local imageRight = self.isSmall and args.smallimageright or args.imageright if not (cfg.imageRightNone and imageRight == 'none') then self.imageRight = imageRight end end

function MessageBox:setMainspaceCategories() local args = self.args local cfg = self.cfg

if not cfg.allowMainspaceCategories then return nil end

local nums = {} for _, prefix in ipairs{'cat', 'category', 'all'} do args[prefix .. '1'] = args[prefix] nums = union(nums, getArgNums(args, prefix)) end

-- The following is roughly equivalent to the old Template:Ambox/category. local date = args.date date = type(date) == 'string' and date local preposition = 'from' for _, num in ipairs(nums) do local mainCat = args['cat' .. tostring(num)] or args['category' .. tostring(num)] local allCat = args['all' .. tostring(num)] mainCat = type(mainCat) == 'string' and mainCat allCat = type(allCat) == 'string' and allCat if mainCat and date and date ~= then local catTitle = string.format('%s %s %s', mainCat, preposition, date) self:addCat(0, catTitle) catTitle = getTitleObject('Category:' .. catTitle) if not catTitle or not catTitle.exists then self:addCat(0, 'Articles with invalid date parameter in template') end elseif mainCat and (not date or date == ) then self:addCat(0, mainCat) end if allCat then self:addCat(0, allCat) end end end

function MessageBox:setTemplateCategories() local args = self.args local cfg = self.cfg

-- Add template categories. if cfg.templateCategory then if cfg.templateCategoryRequireName then if self.isTemplatePage then self:addCat(10, cfg.templateCategory) end elseif not self.title.isSubpage then self:addCat(10, cfg.templateCategory) end end

-- Add template error categories. if cfg.templateErrorCategory then local templateErrorCategory = cfg.templateErrorCategory local templateCat, templateSort if not self.name and not self.title.isSubpage then templateCat = templateErrorCategory elseif self.isTemplatePage then local paramsToCheck = cfg.templateErrorParamsToCheck or {} local count = 0 for i, param in ipairs(paramsToCheck) do if not args[param] then count = count + 1 end end if count > 0 then templateCat = templateErrorCategory templateSort = tostring(count) end if self.categoryNums and #self.categoryNums > 0 then templateCat = templateErrorCategory templateSort = 'C' end end self:addCat(10, templateCat, templateSort) end end

function MessageBox:setAllNamespaceCategories() -- Set categories for all namespaces. if self.invalidTypeError then local allSort = (self.title.namespace == 0 and 'Main:' or ) .. self.title.prefixedText self:addCat('all', 'Wikipedia message box parameter needs fixing', allSort) end if self.isSubstituted then self:addCat('all', 'Pages with incorrectly substituted templates') end end

function MessageBox:setCategories() if self.title.namespace == 0 then self:setMainspaceCategories() elseif self.title.namespace == 10 then self:setTemplateCategories() end self:setAllNamespaceCategories() end

function MessageBox:renderCategories() -- Convert category tables to strings and pass them through -- Module:Category handler. return categoryHandler{ main = table.concat(self.categories[0] or {}), template = table.concat(self.categories[10] or {}), all = table.concat(self.categories.all or {}), nocat = self.args.nocat, page = self.args.page } end

function MessageBox:export() local root = mw.html.create()

-- Add the subst check error. if self.isSubstituted and self.name then root:tag('b') :addClass('error') :wikitext(string.format( 'Template %s%s%s has been incorrectly substituted.', mw.text.nowiki('Template:'), self.name, self.name, mw.text.nowiki('') )) end

-- Create the box table. local boxTable = root:tag('table') boxTable:attr('id', self.id or nil) for i, class in ipairs(self.classes or {}) do boxTable:addClass(class or nil) end boxTable :cssText(self.style or nil) :attr('role', 'presentation')

if self.attrs then boxTable:attr(self.attrs) end

-- Add the left-hand image. local row = boxTable:tag('tr') if self.imageLeft then local imageLeftCell = row:tag('td'):addClass('mbox-image') if self.imageCellDiv then -- If we are using a div, redefine imageLeftCell so that the image -- is inside it. Divs use style="width: 52px;", which limits the -- image width to 52px. If any images in a div are wider than that, -- they may overlap with the text or cause other display problems. imageLeftCell = imageLeftCell:tag('div'):css('width', '52px') end imageLeftCell:wikitext(self.imageLeft or nil) elseif self.imageEmptyCell then -- Some message boxes define an empty cell if no image is specified, and -- some don't. The old template code in templates where empty cells are -- specified gives the following hint: "No image. Cell with some width -- or padding necessary for text cell to have 100% width." row:tag('td') :addClass('mbox-empty-cell') :cssText(self.imageEmptyCellStyle or nil) end

-- Add the text. local textCell = row:tag('td'):addClass('mbox-text') if self.useCollapsibleTextFields then -- The message box uses advanced text parameters that allow things to be -- collapsible. At the moment, only ambox uses this. textCell:cssText(self.textstyle or nil) local textCellSpan = textCell:tag('span') textCellSpan :addClass('mbox-text-span') :wikitext(self.issue or nil) if not self.isSmall then textCellSpan:tag('span') :addClass('hide-when-compact') :wikitext(self.talk and (' ' .. self.talk) or nil) :wikitext(self.fix and (' ' .. self.fix) or nil) end textCellSpan:wikitext(self.date and (' ' .. self.date) or nil) if not self.isSmall then textCellSpan :tag('span') :addClass('hide-when-compact') :wikitext(self.info and (' ' .. self.info) or nil) end else -- Default text formatting - anything goes. textCell :cssText(self.textstyle or nil) :wikitext(self.text or nil) end

-- Add the right-hand image. if self.imageRight then local imageRightCell = row:tag('td'):addClass('mbox-imageright') if self.imageCellDiv then -- If we are using a div, redefine imageRightCell so that the image -- is inside it. imageRightCell = imageRightCell:tag('div'):css('width', '52px') end imageRightCell :wikitext(self.imageRight or nil) end

-- Add the below row. if self.below then boxTable:tag('tr') :tag('td') :attr('colspan', self.imageRight and '3' or '2') :addClass('mbox-text') :cssText(self.textstyle or nil) :wikitext(self.below or nil) end

-- Add error message for invalid type parameters. if self.invalidTypeError then root:tag('div') :css('text-align', 'center') :wikitext(string.format( 'This message box is using an invalid "type=%s" parameter and needs fixing.', self.type or )) end

-- Add categories. root:wikitext(self:renderCategories() or nil)

return tostring(root) end


-- Exports


local p, mt = {}, {}

function p._exportClasses() -- For testing. return { MessageBox = MessageBox } end

function p.main(boxType, args, cfgTables) local box = MessageBox.new(boxType, args, cfgTables or mw.loadData('Module:Message box/configuration')) box:setParameters() box:setCategories() return box:export() end

function mt.__index(t, k) return function (frame) if not getArgs then getArgs = require('Module:Arguments').getArgs end return t.main(k, getArgs(frame, {trim = false, removeBlanks = false})) end end

return setmetatable(p, mt)