Difference between revisions of "Module:Message box"

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>Mr. Stradivarius
(finish ambox and split the config functions out to Module:Message box/data)
>Mainframe98
 
(76 intermediate revisions by 23 users not shown)
Line 1: Line 1:
-- This is a meta-module for producing message box templates, including {{mbox}}, {{ambox}}, {{imbox}}, {{tmbox}}, {{ombox}}, {{cmbox}} and {{fmbox}}.
-- This is a meta-module for producing message box templates, including
-- {{mbox}}, {{ambox}}, {{imbox}}, {{tmbox}}, {{ombox}}, {{cmbox}} and {{fmbox}}.


local htmlBuilder = require('Module:HtmlBuilder')
-- Load necessary modules.
local nsDetect = require('Module:Namespace detect')
require('Module:No globals')
local categoryHandler = require('Module:Category handler').main
local getArgs
local yesno = require('Module:Yesno')
local yesno = require('Module:Yesno')


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


local function getTitleObject(page)
-- Define constants
    if type(page) == 'string' then
local CONFIG_MODULE = 'Module:Message box/configuration'
        -- Get the title object, passing the function through pcall  
local DEMOSPACES = {talk = 'tmbox', image = 'imbox', file = 'imbox', category = 'cmbox', article = 'ambox', main = 'ambox'}
        -- in case we are over the expensive function count limit.
local TEMPLATE_STYLES = 'Module:Message box/%s.css'
        local success
 
        success, page = pcall(mw.title.new, page)
--------------------------------------------------------------------------------
        if not success then
-- Helper functions
            page = nil
--------------------------------------------------------------------------------
        end
 
    end
local function getTitleObject(...)
    return page
-- 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
end


local function presentButBlank(s)
local function union(t1, t2)
    if type(s) ~= 'string' then return end
-- Returns the union of two arrays.
    if s and not mw.ustring.find(s, '%S') then
local vals = {}
        return true
for i, v in ipairs(t1) do
    else
vals[v] = true
        return false
end
    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
end


local function formatCategory(cat, date, all)
local function getArgNums(args, prefix)
    local ret = {}
local nums = {}
    cat = type(cat) == 'string' and cat
for k, v in pairs(args) do
    date = type(date) == 'string' and date
local num = mw.ustring.match(tostring(k), '^' .. prefix .. '([1-9]%d*)$')
    all = type(all) == 'string' and all
if num then
    local preposition = 'from'
table.insert(nums, tonumber(num))
    if cat and date then
end
        local catTitle = mw.ustring.format('Category:%s %s %s', cat, preposition, date)
end
        table.insert(ret, mw.ustring.format('[[%s]]', catTitle))
table.sort(nums)
        catTitle = getTitleObject(catTitle)
return nums
        if not catTitle or not catTitle.exists then
            table.insert(ret, '[[Category:Articles with invalid date parameter in template]]')
        end
    elseif cat and not date then
        table.insert(ret, mw.ustring.format('[[Category:%s]]', cat))
    end
    if all then
        table.insert(ret, mw.ustring.format('[[Category:%s]]', all))
    end
    return table.concat(ret)
end
end


local function union(t1, t2)
--------------------------------------------------------------------------------
    -- Returns the union of two arrays.
-- Box class definition
    local vals = {}
--------------------------------------------------------------------------------
    for i, v in ipairs(t1) do
 
        vals[v] = true
local MessageBox = {}
    end
MessageBox.__index = MessageBox
    for i, v in ipairs(t2) do
 
        vals[v] = true
function MessageBox.new(boxType, args, cfg)
    end
args = args or {}
    local ret = {}
local obj = {}
    for k, v in pairs(vals) do
 
        table.insert(ret, k)
obj.boxType = boxType
    end
 
    return ret
-- 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 args.demospace and args.demospace ~= '' then
-- implement demospace parameter of mbox
local demospace = string.lower(args.demospace)
if DEMOSPACES[demospace] then
-- use template from DEMOSPACES
obj.cfg = cfg[DEMOSPACES[demospace]]
obj.boxType = DEMOSPACES[demospace]
elseif string.find( demospace, 'talk' ) then
-- demo as a talk page
obj.cfg = cfg.tmbox
obj.boxType = 'tmbox'
else
-- default to ombox
obj.cfg = cfg.ombox
obj.boxType = 'ombox'
end
elseif ns == 0 then
obj.cfg = cfg.ambox -- main namespace
obj.boxType = 'ambox'
elseif ns == 6 then
obj.cfg = cfg.imbox -- file namespace
obj.boxType = 'imbox'
elseif ns == 14 then
obj.cfg = cfg.cmbox -- category namespace
obj.boxType = 'cmbox'
else
local nsTable = mw.site.namespaces[ns]
if nsTable and nsTable.isTalk then
obj.cfg = cfg.tmbox -- any talk namespace
obj.boxType = 'tmbox'
else
obj.cfg = cfg.ombox -- other namespaces or invalid input
obj.boxType = 'ombox'
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 = {}
-- For lazy loading of [[Module:Category handler]].
obj.hasCategories = false
 
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.hasCategories = true
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.name = args.name
if self.name then
self:addClass('box-' .. string.gsub(self.name,' ','_'))
end
if yesno(args.plainlinks) ~= false then
self:addClass('plainlinks')
end
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
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 class='date-container'>''(<span class='date'>%s</span>)''</small>", date)
end
self.info = args.info
if yesno(args.removalnotice) then
self.removalNotice = cfg.removalNotice
end
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
end


local function getArgNums(args, prefix)
function MessageBox:setMainspaceCategories()
    local nums = {}
local args = self.args
    for k, v in pairs(args) do
local cfg = self.cfg
        local num = mw.ustring.match(tostring(k), '^' .. prefix .. '([1-9]%d*)$')
 
        if num then
if not cfg.allowMainspaceCategories then
            table.insert(nums, tonumber(num))
return nil
        end
end
    end
 
    table.sort(nums)
local nums = {}
    return 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
end


function p.build(boxType, args)
function MessageBox:setTemplateCategories()
    -- Get the box config data from the data page.
local args = self.args
    local dataTables = mw.loadData('Module:Message box/data')
local cfg = self.cfg
    local data = dataTables[boxType]
    if not data then
        local boxTypes = {}
        for k, v in pairs(dataTables) do
            table.insert(boxTypes, mw.ustring.format('"%s"', k))
        end
        error(mw.ustring.format('Invalid message box type. Valid types are %s.', mw.text.listToText(boxTypes)))
    end


    -- Get the title object and the namespace.
-- Add template categories.
    local title = mw.title.getCurrentTitle()
if cfg.templateCategory then
    local nsid = title.namespace
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


    -- Get a language object for formatDate.
-- Add template error categories.
    local lang = mw.language.getContentLanguage()
if cfg.templateErrorCategory then
   
local templateErrorCategory = cfg.templateErrorCategory
-- Commenting this out for now - this will require tinkering with Namespace detect to differentiate between
local templateCat, templateSort
-- invalid titles and pages where the expensive parser function count has been exceeded.
if not self.name and not self.title.isSubpage then
--[[
templateCat = templateErrorCategory
    local title = nsDetect.getPageObject(args.page)
elseif self.isTemplatePage then
    local namespace = nsDetect.main{
local paramsToCheck = cfg.templateErrorParamsToCheck or {}
        page = args.page,
local count = 0
        demospace = args.demospace,
for i, param in ipairs(paramsToCheck) do
        main = 'main',
if not args[param] then
        talk = 'talk',
count = count + 1
        file = 'file',
end
        category = 'category',
end
        other = 'other'
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


    ------------------------ Process config data ----------------------------
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


    -- Type data.
function MessageBox:setCategories()
    local typeData = data.types[args.type]
if self.title.namespace == 0 then
    local invalidType = args.type and not typeData and true or false
self:setMainspaceCategories()
    typeData = typeData or data.types[data.default]
elseif self.title.namespace == 10 then
self:setTemplateCategories()
end
self:setAllNamespaceCategories()
end


    -- Process data for collapsible text fields
function MessageBox:renderCategories()
    local name, issue, talk, fix, date, info
if not self.hasCategories then
    if data.useCollapsibleTextFields then
-- No categories added, no need to pass them to Category handler so,
        name = args.name
-- if it was invoked, it would return the empty string.
        local nameTitle = getTitleObject(name)
-- So we shortcut and return the empty string.
        local isTemplatePage = nameTitle and title.prefixedText == ('Template:' .. nameTitle.text) and true or false
return ""
        local sect = args.sect
end
        if presentButBlank(sect) then
-- Convert category tables to strings and pass them through
            sect = mw.ustring.format('This %s ', data.sectionDefault or 'page')
-- [[Module:Category handler]].
        elseif type(sect) == 'string' then
return require('Module:Category handler')._main{
            sect = 'This ' .. sect .. ' '
main = table.concat(self.categories[0] or {}),
        end
template = table.concat(self.categories[10] or {}),
        issue = (sect or '') .. (args.issue or '') .. ' ' .. (args.text or '')
all = table.concat(self.categories.all or {}),
        talk = args.talk
nocat = self.args.nocat,
        if presentButBlank(talk) and isTemplatePage then
page = self.args.page
            talk = '#'
}
        end
end
        fix = args.fix
        date = args.date
        if presentButBlank(date) and isTemplatePage then
            date = lang:formatDate('F Y')
        end
        info = args.info
    end


    -- Process the talk link, if present.
function MessageBox:export()
    if talk then
local root = mw.html.create()
        -- See if the talk link exists and is for a talk or a content namespace.
        local talkTitle = type(talk) == 'string' and getTitleObject(talk)
        if not talkTitle or not talkTitle.isTalkPage then
            -- If we couldn't process the talk page link, get the talk page of the current page.
            local success
            success, talkTitle = pcall(title.talkPageTitle, title)
            if not success then
                talkTitle = nil
            end
        end
        if talkTitle and talkTitle.exists then
            local talkText = ' Relevant discussion may be found on'
            if talkTitle.isTalkPage then
                talkText = mw.ustring.format('%s [[%s|%s]].', talkText, talk, talkTitle.prefixedText)
            else
                talkText = mw.ustring.format('%s the [[%s#%s|talk page]].', talkText, talkTitle.prefixedText, talk)
            end
            talk = talkText
        end
    end


    -- Find whether we are using a small message box and process our data accordingly.
-- Add the subst check error.
    local isSmall = data.allowSmall and (args.small == 'yes' or args.small == true) and true or false
if self.isSubstituted and self.name then
    local smallClass, image, imageRight, text, imageSize
root:tag('b')
    if isSmall then
:addClass('error')
        smallClass = data.smallClass or 'mbox-small'
:wikitext(string.format(
        image = args.smallimage or args.image
'Template <code>%s[[Template:%s|%s]]%s</code> has been incorrectly substituted.',
        imageRight = args.smallimageright or args.imageright
mw.text.nowiki('{{'), self.name, self.name, mw.text.nowiki('}}')
        if data.useCollapsibleTextFields then
))
            text = args.smalltext or issue
end
        else
            text = args.smalltext or args.text
        end
        imageSize = data.imageSmallSize or '30x30px'
    else
        image = args.image
        imageRight = args.imageright
        imageSize = '40x40px'
        text = args.text
    end


    -- Process mainspace categories.
-- Add TemplateStyles
    local mainCats = {}
root:wikitext(mw.getCurrentFrame():extensionTag{
    local origCategoryNums -- origCategoryNums might be used in computing the template error category.
name = 'templatestyles',
    if data.allowMainspaceCategories then
args = { src = TEMPLATE_STYLES:format(self.boxType) },
        -- Categories for the main namespace.
})
        local origCatNums = getArgNums(args, 'cat')
        local origCategoryNums = getArgNums(args, 'category')
        local catNums = union(origCatNums, origCategoryNums)
        for _, num in ipairs(catNums) do
            local cat = args['cat' .. tostring(num)] or args['category' .. tostring(num)]
            local all = args['all' .. tostring(num)]
            table.insert(mainCats, formatCategory(cat, args.date, all))
        end
    end


    -- Process template namespace categories
-- Create the box table.
    local templateCats = {}
local boxTable
    if data.templateCategory and not title.isSubpage and not yesno(args.nocat) then
-- Check for fmbox because not all interface messages have mw-parser-output
        table.insert(templateCats, mw.ustring.format('[[Category:%s]]', data.templateCategory))
-- which is necessary for TemplateStyles. Add the wrapper class if it is and
    end
-- then start the actual mbox, else start the mbox.
if self.boxType == 'fmbox' then
boxTable = root:tag('div')
:addClass('mw-parser-output')
:tag('table')
else
boxTable = root:tag('table')
end


    -- Add an error category for the template namespace if appropriate.
boxTable:attr('id', self.id or nil)
    if data.templateErrorCategory then
for i, class in ipairs(self.classes or {}) do
        local catName = data.templateErrorCategory
boxTable:addClass(class or nil)
        local templateCat
end
        if not name and not title.isSubpage then
boxTable
            templateCat = mw.ustring.format('[[Category:%s]]', catName)
:cssText(self.style or nil)
        elseif type(name) == 'string' and title.prefixedText == ('Template:' .. name) then
:attr('role', 'presentation')
            local paramsToCheck = data.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 = mw.ustring.format('[[Category:%s|%d]]', catName, count)
            end
            if origCategoryNums and #origCategoryNums > 0 then
                templateCat = mw.ustring.format('[[Category:%s|C]]', catName)
            end
        end
        table.insert(templateCats, templatecat)
    end


    -- Categories for all namespaces.
if self.attrs then
    local allCats = {}
boxTable:attr(self.attrs)
    if invalidType then
end
        local catsort = (nsid == 0 and 'Main:' or '') .. title.prefixedText
        table.insert(allCats, mw.ustring.format('[[Category:Wikipedia message box parameter needs fixing|%s]]', catsort))
    end


    ------------------------ Build the box ----------------------------
-- Add the left-hand image.
   
local row = boxTable:tag('tr')
    local root = htmlBuilder.create()
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


    -- Do the subst check.
-- Add the text.
    if data.substCheck and args.subst == 'SUBST' then
local textCell = row:tag('td'):addClass('mbox-text')
        if type(name) == 'string' then
if self.useCollapsibleTextFields then
            root
-- The message box uses advanced text parameters that allow things to be
                .tag('b')
-- collapsible. At the moment, only ambox uses this.
                    .addClass('error')
textCell:cssText(self.textstyle or nil)
                    .wikitext(mw.ustring.format(
local textCellDiv = textCell:tag('div')
                        'Template <code>%s%s%s</code> has been incorrectly substituted.',
textCellDiv
                        mw.text.nowiki('{{'), name, mw.text.nowiki('}}')
:addClass('mbox-text-span')
                    ))
:wikitext(self.issue or nil)
        end
if (self.talk or self.fix) and not self.isSmall then
        table.insert(allCats, '[[Category:Pages with incorrectly substituted templates]]')
textCellDiv:tag('span')
    end
:addClass('hide-when-compact')
:wikitext(self.talk and (' ' .. self.talk) or nil)
:wikitext(self.fix and (' ' .. self.fix) or nil)
end
textCellDiv:wikitext(self.date and (' ' .. self.date) or nil)
if self.info and not self.isSmall then
textCellDiv
:tag('span')
:addClass('hide-when-compact')
:wikitext(self.info and (' ' .. self.info) or nil)
end
if self.removalNotice then
textCellDiv:tag('small')
:addClass('hide-when-compact')
:tag('i')
:wikitext(string.format(" (%s)", self.removalNotice))
end
else
-- Default text formatting - anything goes.
textCell
:cssText(self.textstyle or nil)
:wikitext(self.text or nil)
end


    -- Create the box table.
-- Add the right-hand image.
    local box = root.tag('table')
if self.imageRight then
    box
local imageRightCell = row:tag('td'):addClass('mbox-imageright')
        .attr('id', args.id)
if self.imageCellDiv then
    for i, class in ipairs(data.classes) do
-- If we are using a div, redefine imageRightCell so that the image
        box
-- is inside it.
            .addClass(class)
imageRightCell = imageRightCell:tag('div'):css('width', '52px')
    end
end
    box
imageRightCell
        .addClass(isSmall and smallClass)
:wikitext(self.imageRight or nil)
        .addClass(data.classPlainlinksYesno and yesno(args.plainlinks or true) and 'plainlinks')
end
        .addClass(typeData.class)
        .addClass(args.class)
        .cssText(args.style)
        .attr('role', 'presentation')


    -- Add the left-hand image.
-- Add the below row.
    local row = box.tag('tr')
if self.below then
    local imageCheckBlank = data.imageCheckBlank
boxTable:tag('tr')
    if image ~= 'none' and not imageCheckBlank or image ~= 'none' and imageCheckBlank and image ~= 'blank' then
:tag('td')
        local imageLeftCell = row.tag('td').addClass('mbox-image')
:attr('colspan', self.imageRight and '3' or '2')
        if not isSmall and data.imageCellDiv then
:addClass('mbox-text')
            imageLeftCell = imageLeftCell.tag('div').css('width', '52px') -- If we are using a div, redefine imageLeftCell so that the image is inside it.
:cssText(self.textstyle or nil)
        end
:wikitext(self.below or nil)
        imageLeftCell
end
            .wikitext(image or mw.ustring.format('[[File:%s|%s|link=|alt=]]', typeData.image, imageSize))
    elseif data.imageEmptyCell then
        row.tag('td')
            .addClass('mbox-empty-cell') -- No image. Cell with some width or padding necessary for text cell to have 100% width.
            .cssText(data.imageEmptyCellStyle and 'border:none;padding:0px;width:1px')
    end


    -- Add the text.
-- Add error message for invalid type parameters.
    local textCell = row.tag('td').addClass('mbox-text')
if self.invalidTypeError then
    if data.useCollapsibleTextFields then
root:tag('div')
        textCell
:css('text-align', 'center')
            .cssText(args.textstyle)
:wikitext(string.format(
        local textCellSpan = textCell.tag('span')
'This message box is using an invalid "type=%s" parameter and needs fixing.',
        textCellSpan
self.type or ''
            .addClass('mbox-text-span')
))
            .wikitext(issue)
end
        if not isSmall then
            textCellSpan
                .tag('span')
                    .addClass('hide-when-compact')
                    .wikitext(talk)
                    .wikitext(' ')
                    .wikitext(fix)
                    .done()
        end
        textCellSpan
            .wikitext(date and mw.ustring.format(" <small>''(%s)''</small>", date))
        if not isSmall then
            textCellSpan
                .tag('span')
                    .addClass('hide-when-compact')
                    .wikitext(info and ' ' .. info)
        end
    else
        textCell
            .cssText(args.textstyle)
            .wikitext(text)
    end


    -- Add the right-hand image.
-- Add categories.
    if imageRight and not (data.imageRightNone and imageRight == 'none') then
root:wikitext(self:renderCategories() or nil)
        local imageRightCell = row.tag('td').addClass('mbox-imageright')
        if not isSmall and data.imageCellDiv then
            imageRightCell = imageRightCell.tag('div').css('width', '52px') -- If we are using a div, redefine imageRightCell so that the image is inside it.
        end
        imageRightCell
            .wikitext(imageRight)
    end


    -- Add the below row.
return tostring(root)
    if data.below and args.below then
end
        box.tag('tr')
            .tag('td')
                .attr('colspan', args.imageright and '3' or '2')
                .addClass('mbox-text')
                .cssText(args.textstyle)
                .wikitext(args.below)
    end


    ------------------------ Error messages and categories ----------------------------
--------------------------------------------------------------------------------
-- Exports
--------------------------------------------------------------------------------


    -- Add error message for invalid type parameters.
local p, mt = {}, {}
    if invalidType then
        root
            .tag('div')
                .addClass('error')
                .css('text-align', 'center')
                .wikitext(mw.ustring.format('This message box is using an invalid type parameter (<code>type=%s</code>) and needs fixing.', args.type or ''))
    end


    -- Add categories using categoryHandler.
function p._exportClasses()
    root
-- For testing.
        .wikitext(categoryHandler{
return {
            main = table.concat(mainCats),
MessageBox = MessageBox
            template = table.concat(templateCats),
}
            all = table.concat(allCats)
        })
   
    return tostring(root)
end
end


local function makeWrapper(boxType)
function p.main(boxType, args, cfgTables)
    return function (frame)
local box = MessageBox.new(boxType, args, cfgTables or mw.loadData(CONFIG_MODULE))
        -- If called via #invoke, use the args passed into the invoking
box:setParameters()
        -- template, or the args passed to #invoke if any exist. Otherwise
box:setCategories()
        -- assume args are being passed directly in from the debug console
return box:export()
        -- or from another Lua module.
        local origArgs
        if frame == mw.getCurrentFrame() then
            origArgs = frame:getParent().args
            for k, v in pairs(frame.args) do
                origArgs = frame.args
                break
            end
        else
            origArgs = frame
        end
        -- Trim whitespace and remove blank arguments.
        local args = {}
        for k, v in pairs(origArgs) do
            if type(v) == 'string' then
                v = mw.text.trim(v)
            end
            if v ~= '' or k == 'talk' or k == 'sect' or k == 'date' then
                args[k] = v
            end
        end
        return p.build(boxType, args)
    end
end
end


p.ambox = makeWrapper('ambox')
function mt.__index(t, k)
p.fmbox = makeWrapper('fmbox')
return function (frame)
p.imbox = makeWrapper('imbox')
if not getArgs then
p.ombox = makeWrapper('ombox')
getArgs = require('Module:Arguments').getArgs
p.cmbox = makeWrapper('cmbox')
end
p.tmbox = makeWrapper('tmbox')
return t.main(k, getArgs(frame, {trim = false, removeBlanks = false}))
end
end


return p
return setmetatable(p, mt)

Latest revision as of 16:41, 29 September 2021

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 yesno = require('Module:Yesno')

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

-- Define constants
local CONFIG_MODULE = 'Module:Message box/configuration'
local DEMOSPACES = {talk = 'tmbox', image = 'imbox', file = 'imbox', category = 'cmbox', article = 'ambox', main = 'ambox'}
local TEMPLATE_STYLES = 'Module:Message box/%s.css'

--------------------------------------------------------------------------------
-- 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 = {}

	obj.boxType = boxType

	-- 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 args.demospace and args.demospace ~= '' then
			-- implement demospace parameter of mbox
			local demospace = string.lower(args.demospace)
			if DEMOSPACES[demospace] then
				-- use template from DEMOSPACES
				obj.cfg = cfg[DEMOSPACES[demospace]]
				obj.boxType = DEMOSPACES[demospace]
			elseif string.find( demospace, 'talk' ) then
				-- demo as a talk page
				obj.cfg = cfg.tmbox
				obj.boxType = 'tmbox'
			else
				-- default to ombox
				obj.cfg = cfg.ombox
				obj.boxType = 'ombox'
			end
		elseif ns == 0 then
			obj.cfg = cfg.ambox -- main namespace
			obj.boxType = 'ambox'
		elseif ns == 6 then
			obj.cfg = cfg.imbox -- file namespace
			obj.boxType = 'imbox'
		elseif ns == 14 then
			obj.cfg = cfg.cmbox -- category namespace
			obj.boxType = 'cmbox'
		else
			local nsTable = mw.site.namespaces[ns]
			if nsTable and nsTable.isTalk then
				obj.cfg = cfg.tmbox -- any talk namespace
				obj.boxType = 'tmbox'
			else
				obj.cfg = cfg.ombox -- other namespaces or invalid input
				obj.boxType = 'ombox'
			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 = {}
	-- For lazy loading of [[Module:Category handler]].
	obj.hasCategories = false

	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.hasCategories = true
	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.name = args.name
	if self.name then
		self:addClass('box-' .. string.gsub(self.name,' ','_'))
	end
	if yesno(args.plainlinks) ~= false then
		self:addClass('plainlinks')
	end
	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
		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 class='date-container'>''(<span class='date'>%s</span>)''</small>", date)
		end
		self.info = args.info
		if yesno(args.removalnotice) then
			self.removalNotice = cfg.removalNotice
		end
	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()
	if not self.hasCategories then
		-- No categories added, no need to pass them to Category handler so,
		-- if it was invoked, it would return the empty string.
		-- So we shortcut and return the empty string.
		return ""
	end
	-- Convert category tables to strings and pass them through
	-- [[Module:Category handler]].
	return require('Module:Category handler')._main{
		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

	-- Add TemplateStyles
	root:wikitext(mw.getCurrentFrame():extensionTag{
		name = 'templatestyles',
		args = { src = TEMPLATE_STYLES:format(self.boxType) },
	})

	-- Create the box table.
	local boxTable
	-- Check for fmbox because not all interface messages have mw-parser-output
	-- which is necessary for TemplateStyles. Add the wrapper class if it is and
	-- then start the actual mbox, else start the mbox.
	if self.boxType == 'fmbox' then
		boxTable = root:tag('div')
			:addClass('mw-parser-output')
			:tag('table')
	else
		boxTable = root:tag('table')
	end

	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 textCellDiv = textCell:tag('div')
		textCellDiv
			:addClass('mbox-text-span')
			:wikitext(self.issue or nil)
		if (self.talk or self.fix) and not self.isSmall then
			textCellDiv:tag('span')
				:addClass('hide-when-compact')
				:wikitext(self.talk and (' ' .. self.talk) or nil)
				:wikitext(self.fix and (' ' .. self.fix) or nil)
		end
		textCellDiv:wikitext(self.date and (' ' .. self.date) or nil)
		if self.info and not self.isSmall then
			textCellDiv
				:tag('span')
				:addClass('hide-when-compact')
				:wikitext(self.info and (' ' .. self.info) or nil)
		end
		if self.removalNotice then
			textCellDiv:tag('small')
				:addClass('hide-when-compact')
				:tag('i')
					:wikitext(string.format(" (%s)", self.removalNotice))
		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(CONFIG_MODULE))
	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)