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Module

Difference between revisions of "Message box"

From Unofficial Stationeers Wiki

(Fixed a few of the ambox bugs. Still have to add category support.)
m (59 revisions imported)
 
(55 intermediate revisions by 9 users not shown)
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-- 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 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  
+
 
        -- in case we are over the expensive function count limit.
+
--------------------------------------------------------------------------------
        local success
+
-- Helper functions
        success, page = pcall(mw.title.new, page)
+
--------------------------------------------------------------------------------
        if not success then
+
 
            page = nil
+
local function getTitleObject(...)
        end
+
-- Get the title object, passing the function through pcall
    end
+
-- in case we are over the expensive function count limit.
    return page
+
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
 +
 
 +
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 = {}
 +
-- For lazy loading of [[Module:Category handler]].
 +
obj.hasCategories = false
 +
 
 +
return setmetatable(obj, MessageBox)
 
end
 
end
  
function p.build(data, args)
+
function MessageBox:addCat(ns, cat, sort)
    -- Get the title object and the namespace.
+
if not cat then
    local title = mw.title.getCurrentTitle()
+
return nil
    local nsid = title.namespace
+
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
  
    -- Get a language object for formatDate.
+
function MessageBox:addClass(class)
    local lang = mw.language.getContentLanguage()
+
if not class then
   
+
return nil
-- Commenting this out for now - this will require tinkering with Namespace detect to differentiate between
+
end
-- invalid titles and pages where the expensive parser function count has been exceeded.
+
table.insert(self.classes, class)
--[[
+
end
    local title = nsDetect.getPageObject(args.page)
 
    local namespace = nsDetect.main{
 
        page = args.page,
 
        demospace = args.demospace,
 
        main = 'main',
 
        talk = 'talk',
 
        file = 'file',
 
        category = 'category',
 
        other = 'other'
 
    }
 
]]
 
  
    ------------------------ Process config data ----------------------------
+
function MessageBox:setParameters()
 +
local args = self.args
 +
local cfg = self.cfg
  
    -- Type data.
+
-- Get type data.
    local typeData = data.types[args.type]
+
self.type = args.type
    local invalidType = args.type and not typeData and true or false
+
local typeData = cfg.types[self.type]
    typeData = typeData or data.types[data.default]
+
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
  
    -- Process data for collapsible text fields
+
-- Find if the box has been wrongly substituted.
    local name, issue, talk, fix, date, info
+
self.isSubstituted = cfg.substCheck and args.subst == 'SUBST'
    if data.useCollapsibleTextFields then
 
        name = args.name
 
        local nameTitle = getTitleObject(name)
 
        local isTemplatePage = nameTitle and title.prefixedText == ('Template:' .. nameTitle.text) and true or false
 
        local sect = args.sect
 
        if presentButBlank(sect) then
 
            sect = 'This article '
 
        elseif type(sect) == 'string' then
 
            sect = 'This ' .. sect .. ' '
 
        end
 
        issue = (sect or '') .. (args.issue or '') .. ' ' .. (args.text or '')
 
        talk = args.talk
 
        if presentButBlank(talk) and isTemplatePage then
 
            talk = '#'
 
        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.
+
-- Find whether we are using a small message box.
    if talk then
+
self.isSmall = cfg.allowSmall and (
        -- See if the talk link exists and is for a talk or a content namespace.
+
cfg.smallParam and args.small == cfg.smallParam
        local talkTitle = type(talk) == 'string' and getTitleObject(talk)
+
or not cfg.smallParam and yesno(args.small)
        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 attributes, classes and styles.
    local isSmall = data.allowSmall and (args.small == 'yes' or args.small == true) and true or false
+
self.id = args.id
    local smallClass, image, imageRight, text, imageSize
+
if yesno(args.plainlinks) ~= false then
    if isSmall then
+
self:addClass('plainlinks')
        smallClass = data.smallClass or 'mbox-small'
+
end
        image = args.smallimage or args.image
+
for _, class in ipairs(cfg.classes or {}) do
        imageRight = args.smallimageright or args.imageright
+
self:addClass(class)
        if data.useCollapsibleTextFields then
+
end
            text = args.smalltext or issue
+
if self.isSmall then
        else
+
self:addClass(cfg.smallClass or 'mbox-small')
            text = args.smalltext or args.text
+
end
        end
+
self:addClass(self.typeClass)
        imageSize = data.imageSmallSize or '30x30px'
+
self:addClass(args.class)
    else
+
self.style = args.style
        image = args.image
+
self.attrs = args.attrs
        imageRight = args.imageright
 
        imageSize = '40x40px'
 
        text = args.text
 
    end
 
  
    ------------------------ Build the box ----------------------------
+
-- Set text style.
   
+
self.textstyle = args.textstyle
    local root = htmlBuilder.create()
 
  
    -- Do the subst check.
+
-- Find if we are on the template page or not. This functionality is only
    if data.substCheck and args.subst == 'SUBST' then
+
-- used if useCollapsibleTextFields is set, or if both cfg.templateCategory
        if type(args.name) == 'string' then
+
-- and cfg.templateCategoryRequireName are set.
            root
+
self.useCollapsibleTextFields = cfg.useCollapsibleTextFields
                .tag('b')
+
if self.useCollapsibleTextFields
                    .addClass('error')
+
or cfg.templateCategory
                    .wikitext(mw.ustring.format(
+
and cfg.templateCategoryRequireName
                        'Template <code>%s%s%s</code> has been incorrectly substituted.',
+
then
                        mw.text.nowiki('{{'),
+
self.name = args.name
                        args.name,
+
if self.name then
                        mw.text.nowiki('}}')
+
local templateName = mw.ustring.match(
                    ))
+
self.name,
        end
+
'^[tT][eE][mM][pP][lL][aA][tT][eE][%s_]*:[%s_]*(.*)$'
        root.wikitext('[[Category:Pages with incorrectly substituted templates]]')
+
) or self.name
    end
+
templateName = 'Template:' .. templateName
 +
self.templateTitle = getTitleObject(templateName)
 +
end
 +
self.isTemplatePage = self.templateTitle
 +
and mw.title.equals(self.title, self.templateTitle)
 +
end
  
    -- Build the box.
+
-- Process data for collapsible text fields. At the moment these are only
    local box = root.tag('table')
+
-- used in {{ambox}}.
    box
+
if self.useCollapsibleTextFields then
        .attr('id', args.id)
+
-- Get the self.issue value.
    for i, class in ipairs(data.classes) do
+
if self.isSmall and args.smalltext then
        box
+
self.issue = args.smalltext
            .addClass(class)
+
else
    end
+
local sect
    box
+
if args.sect == '' then
        .addClass(isSmall and smallClass)
+
sect = 'This ' .. (cfg.sectionDefault or 'page')
        .addClass(data.classPlainlinksYesno and yesno(args.plainlinks or true) and 'plainlinks')
+
elseif type(args.sect) == 'string' then
        .addClass(typeData.class)
+
sect = 'This ' .. args.sect
        .addClass(args.class)
+
end
        .cssText(args.style)
+
local issue = args.issue
        .attr('role', 'presentation')
+
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
  
    -- Add the left-hand image.
+
-- Get the self.talk value.
    local row = box.tag('tr')
+
local talk = args.talk
    local imageLeftCell = row.tag('td').addClass('mbox-image')
+
-- Show talk links on the template page or template subpages if the talk
    local imageCheckBlank = data.imageCheckBlank
+
-- parameter is blank.
    if image ~= 'none' and not imageCheckBlank or image ~= 'none' and imageCheckBlank and image ~= 'blank' then
+
if talk == ''
        if not isSmall and data.imageCellDiv then
+
and self.templateTitle
            imageLeftCell = imageLeftCell.tag('div').css('width', '52px') -- If we are using a div, redefine imageLeftCell so that the image is inside it.
+
and (
        end
+
mw.title.equals(self.templateTitle, self.title)
        imageLeftCell
+
or self.title:isSubpageOf(self.templateTitle)
            .wikitext(image or mw.ustring.format('[[File:%s|%s|link=|alt=]]', typeData.image, imageSize))
+
)
    elseif data.imageEmptyCell then
+
then
        row.tag('td')
+
talk = '#'
            .addClass('mbox-empty-cell') -- No image. Cell with some width or padding necessary for text cell to have 100% width.
+
elseif talk == '' then
            .cssText(data.imageEmptyCellStyle and 'border:none;padding:0px;width:1px')
+
talk = nil
    end
+
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
  
    -- Add the text.
+
-- Get other values.
    local textCell = row.tag('td').addClass('mbox-text')
+
self.fix = args.fix ~= '' and args.fix or nil
    if data.useCollapsibleTextFields then
+
local date
        textCell
+
if args.date and args.date ~= '' then
            .cssText(args.textstyle)
+
date = args.date
        local textCellSpan = textCell.tag('span')
+
elseif args.date == '' and self.isTemplatePage then
        textCellSpan
+
date = lang:formatDate('F Y')
            .addClass('mbox-text-span')
+
end
            .wikitext(issue)
+
if date then
        if not isSmall then
+
self.date = string.format(" <small>''(%s)''</small>", date)
            textCellSpan
+
end
                .tag('span')
+
self.info = args.info
                    .addClass('hide-when-compact')
+
if yesno(args.removalnotice) then
                    .wikitext(talk)
+
self.removalNotice = cfg.removalNotice
                    .wikitext(' ')
+
end
                    .wikitext(fix)
+
end
                    .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.
+
-- Set the non-collapsible text field. At the moment this is used by all box
    local imageRightCell = row.tag('td').addClass('mbox-imageright')
+
-- types other than ambox, and also by ambox when small=yes.
    if imageRight and not (data.imageRightNone and imageRight == 'none') then
+
if self.isSmall then
        if not isSmall and data.imageCellDiv then
+
self.text = args.smalltext or args.text
            imageRightCell = imageRightCell.tag('div').css('width', '52px') -- If we are using a div, redefine imageRightCell so that the image is inside it.
+
else
        end
+
self.text = args.text
        imageRightCell
+
end
            .wikitext(imageRight)
 
    end
 
  
    -- Add the below row.
+
-- Set the below row.
    if data.below and args.below then
+
self.below = cfg.below and args.below
        box.tag('tr')
 
            .tag('td')
 
                .attr('colspan', args.imageright and '3' or '2')
 
                .addClass('mbox-text')
 
                .cssText(args.textstyle)
 
                .wikitext(args.below)
 
    end
 
  
    ------------------------ Add error messages and categories ----------------------------
+
-- 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
  
    -- Add error message and tracking category for invalid type parameters.
+
-- Left image settings.
    if invalidType then
+
local imageLeft = self.isSmall and args.smallimage or args.image
        local catsort = (nsid == 0 and 'Main:' or '') .. title.prefixedText
+
if cfg.imageCheckBlank and imageLeft ~= 'blank' and imageLeft ~= 'none'
        root
+
or not cfg.imageCheckBlank and imageLeft ~= 'none'
            .tag('div')
+
then
                .css('text-align', 'center')
+
self.imageLeft = imageLeft
                .wikitext(mw.ustring.format('This message box is using an invalid "type=%s" parameter and needs fixing.', args.type or ''))
+
if not imageLeft then
                .done()
+
local imageSize = self.isSmall
            .wikitext(mw.ustring.format('[[Category:Wikipedia message box parameter needs fixing|%s]]', catsort))
+
and (cfg.imageSmallSize or '30x30px')
    end
+
or '40x40px'
 +
self.imageLeft = string.format('[[File:%s|%s|link=|alt=]]', self.typeImage
 +
or 'Imbox notice.png', imageSize)
 +
end
 +
end
  
    -- Categorise template pages.
+
-- Right image settings.
    if data.category and nsid == 10 and not title.isSubpage and not yesno(args.nocat) then
+
local imageRight = self.isSmall and args.smallimageright or args.imageright
            root.wikitext(mw.ustring.format('[[Category:%s]]', data.category))
+
if not (cfg.imageRightNone and imageRight == 'none') then
    end
+
self.imageRight = imageRight
    return tostring(root)
+
end
 
end
 
end
  
function p._ambox(args)
+
function MessageBox:setMainspaceCategories()
    local data = {}
+
local args = self.args
    data.types = {
+
local cfg = self.cfg
        speedy = {
+
 
            class = 'ambox-speedy',
+
if not cfg.allowMainspaceCategories then
            image = 'Ambox speedy deletion.png'
+
return nil
        },
+
end
        delete = {
+
 
            class = 'ambox-delete',
+
local nums = {}
            image = 'Ambox deletion.png'
+
for _, prefix in ipairs{'cat', 'category', 'all'} do
        },
+
args[prefix .. '1'] = args[prefix]
        content = {
+
nums = union(nums, getArgNums(args, prefix))
            class = 'ambox-content',
+
end
            image = 'Ambox content.png'
+
 
        },
+
-- The following is roughly equivalent to the old {{Ambox/category}}.
        style = {
+
local date = args.date
            class = 'ambox-style',
+
date = type(date) == 'string' and date
            image = 'Edit-clear.svg'
+
local preposition = 'from'
        },
+
for _, num in ipairs(nums) do
        move = {
+
local mainCat = args['cat' .. tostring(num)]
            class = 'ambox-move',
+
or args['category' .. tostring(num)]
            image = 'Ambox move.png'
+
local allCat = args['all' .. tostring(num)]
        },
+
mainCat = type(mainCat) == 'string' and mainCat
        protection = {
+
allCat = type(allCat) == 'string' and allCat
            class = 'ambox-protection',
+
if mainCat and date and date ~= '' then
            image = 'Ambox protection.png'
+
local catTitle = string.format('%s %s %s', mainCat, preposition, date)
        },
+
self:addCat(0, catTitle)
        notice = {
+
catTitle = getTitleObject('Category:' .. catTitle)
            class = 'ambox-notice',
+
if not catTitle or not catTitle.exists then
            image = 'Ambox notice.png'
+
self:addCat(0, 'Articles with invalid date parameter in template')
        }
+
end
    }
+
elseif mainCat and (not date or date == '') then
    data.default = 'notice'
+
self:addCat(0, mainCat)
    data.allowSmall = true
+
end
    data.substCheck = true
+
if allCat then
    data.classes = {'metadata', 'plainlinks', 'ambox'}
+
self:addCat(0, allCat)
    data.smallClass = 'mbox-small-left'
+
end
    data.imageEmptyCell = true
+
end
    data.imageCheckBlank = true
 
    data.imageSmallSize = '20x20px'
 
    data.imageCellDiv = true
 
    data.useCollapsibleTextFields = true
 
    data.imageRightNone = true
 
    return p.build(data, args)
 
 
end
 
end
  
function p._fmbox(args)
+
function MessageBox:setTemplateCategories()
    local data = {}
+
local args = self.args
    data.types = {
+
local cfg = self.cfg
        warning = {
+
 
            class = 'fmbox-warning',
+
-- Add template categories.
            image = 'Cmbox deletion.png'
+
if cfg.templateCategory then
        },
+
if cfg.templateCategoryRequireName then
        editnotice = {
+
if self.isTemplatePage then
            class = 'fmbox-editnotice',
+
self:addCat(10, cfg.templateCategory)
            image = 'Imbox notice.png'
+
end
        },
+
elseif not self.title.isSubpage then
        system = {
+
self:addCat(10, cfg.templateCategory)
            class = 'fmbox-system',
+
end
            image = 'Imbox notice.png'
+
end
        }
+
 
    }
+
-- Add template error categories.
    data.default = 'system'
+
if cfg.templateErrorCategory then
    data.classes = { 'plainlinks', 'fmbox' }
+
local templateErrorCategory = cfg.templateErrorCategory
    data.imageEmptyCell = false
+
local templateCat, templateSort
    data.imageRightNone = false
+
if not self.name and not self.title.isSubpage then
    return p.build(data, args)
+
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
 
end
  
function p._ombox(args)
+
function MessageBox:setAllNamespaceCategories()
    local data = {}
+
-- Set categories for all namespaces.
    data.types = {
+
if self.invalidTypeError then
        speedy = {
+
local allSort = (self.title.namespace == 0 and 'Main:' or '') .. self.title.prefixedText
            class = 'ombox-speedy',
+
self:addCat('all', 'Wikipedia message box parameter needs fixing', allSort)
            image = 'Imbox speedy deletion.png'
+
end
        },
+
if self.isSubstituted then
        delete = {
+
self:addCat('all', 'Pages with incorrectly substituted templates')
            class = 'ombox-delete',
+
end
            image = 'Imbox deletion.png'
 
        },
 
        content = {
 
            class = 'ombox-content',
 
            image = 'Imbox content.png'
 
        },
 
        style = {
 
            class = 'ombox-style',
 
            image = 'Edit-clear.svg'
 
        },
 
        move = {
 
            class = 'ombox-move',
 
            image = 'Imbox move.png'
 
        },
 
        protection = {
 
            class = 'ombox-protection',
 
            image = 'Imbox protection.png'
 
        },
 
        notice = {
 
            class = 'ombox-notice',
 
            image = 'Imbox notice.png'
 
        }
 
    }
 
    data.default = 'notice'
 
    data.classes = {'plainlinks', 'ombox'}
 
    data.allowSmall = true
 
    data.imageEmptyCell = true
 
    data.imageRightNone = true
 
    return p.build(data, args)
 
 
end
 
end
  
function p._imbox(args)
+
function MessageBox:setCategories()
    local data = {}
+
if self.title.namespace == 0 then
    data.types = {
+
self:setMainspaceCategories()
        speedy = {
+
elseif self.title.namespace == 10 then
            class = 'imbox-speedy',
+
self:setTemplateCategories()
            image = 'Imbox speedy deletion.png'
+
end
        },
+
self:setAllNamespaceCategories()
        delete = {
 
            class = 'imbox-delete',
 
            image = 'Imbox deletion.png'
 
        },
 
        content = {
 
            class = 'imbox-content',
 
            image = 'Imbox content.png'
 
        },
 
        style = {
 
            class = 'imbox-style',
 
            image = 'Edit-clear.svg'
 
        },
 
        move = {
 
            class = 'imbox-move',
 
            image = 'Imbox move.png'
 
        },
 
        protection = {
 
            class = 'imbox-protection',
 
            image = 'Imbox protection.png'
 
        },
 
        license = {
 
            class = 'imbox-license',
 
            image = 'Imbox license.png'
 
        },
 
        featured = {
 
            class = 'imbox-featured',
 
            image = 'Imbox featured.png'
 
        },
 
        notice = {
 
            class = 'imbox-notice',
 
            image = 'Imbox notice.png'
 
        }
 
    }
 
    data.default = 'notice'
 
    data.classes = {'imbox'}
 
    data.classPlainlinksYesno = true
 
    data.imageEmptyCell = true
 
    data.below = true
 
    return p.build(data, args)
 
 
end
 
end
  
function p._cmbox(args)
+
function MessageBox:renderCategories()
    local data = {}
+
if not self.hasCategories then
    data.types = {
+
-- No categories added, no need to pass them to Category handler so,
        speedy = {
+
-- if it was invoked, it would return the empty string.
            class = 'cmbox-speedy',
+
-- So we shortcut and return the empty string.
            image = 'Cmbox deletion.png'
+
return ""
        },
+
end
        delete = {
+
-- Convert category tables to strings and pass them through
            class = 'cmbox-delete',
+
-- [[Module:Category handler]].
            image = 'Cmbox deletion.png'
+
return require('Module:Category handler')._main{
        },
+
main = table.concat(self.categories[0] or {}),
        content = {
+
template = table.concat(self.categories[10] or {}),
            class = 'cmbox-content',
+
all = table.concat(self.categories.all or {}),
            image = 'Cmbox content.png'
+
nocat = self.args.nocat,
        },
+
page = self.args.page
        style = {
+
}
            class = 'cmbox-style',
 
            image = 'Edit-clear.svg'
 
        },
 
        move = {
 
            class = 'cmbox-move',
 
            image = 'Cmbox move.png'
 
        },
 
        protection = {
 
            class = 'cmbox-protection',
 
            image = 'Cmbox protection.png'
 
        },
 
        notice = {
 
            class = 'cmbox-notice',
 
            image = 'Cmbox notice.png'
 
        }
 
    }
 
    data.default = 'notice'
 
    data.classes = {'plainlinks', 'cmbox'}
 
    return p.build(data, args)
 
 
end
 
end
  
function p._tmbox(args)
+
function MessageBox:export()
    local data = {}
+
local root = mw.html.create()
    data.types = {
+
 
        speedy = {
+
-- Add the subst check error.
            class = 'tmbox-speedy',
+
if self.isSubstituted and self.name then
            image = 'Imbox speedy deletion.png'
+
root:tag('b')
        },
+
:addClass('error')
        delete = {
+
:wikitext(string.format(
            class = 'tmbox-delete',
+
'Template <code>%s[[Template:%s|%s]]%s</code> has been incorrectly substituted.',
            image = 'Imbox deletion.png'
+
mw.text.nowiki('{{'), self.name, self.name, mw.text.nowiki('}}')
        },
+
))
        content = {
+
end
            class = 'tmbox-content',
+
 
            image = 'Imbox content.png'
+
-- Create the box table.
        },
+
local boxTable = root:tag('table')
        style = {
+
boxTable:attr('id', self.id or nil)
            class = 'tmbox-style',
+
for i, class in ipairs(self.classes or {}) do
            image = 'Edit-clear.svg '
+
boxTable:addClass(class or nil)
        },
+
end
        move = {
+
boxTable
            class = 'tmbox-move',
+
:cssText(self.style or nil)
            image = 'Imbox move.png'
+
:attr('role', 'presentation')
        },
+
 
        protection = {
+
if self.attrs then
            class = 'tmbox-protection',
+
boxTable:attr(self.attrs)
            image = 'Imbox protection.png'
+
end
        },
+
 
        notice = {
+
-- Add the left-hand image.
            class = 'tmbox-notice',
+
local row = boxTable:tag('tr')
            image = 'Imbox notice.png'
+
if self.imageLeft then
        }
+
local imageLeftCell = row:tag('td'):addClass('mbox-image')
    }
+
if self.imageCellDiv then
    data.default = 'notice'
+
-- If we are using a div, redefine imageLeftCell so that the image
    data.classes = {'plainlinks', 'tmbox'}
+
-- is inside it. Divs use style="width: 52px;", which limits the
    data.allowSmall = true
+
-- image width to 52px. If any images in a div are wider than that,
    data.imageRightNone = true
+
-- they may overlap with the text or cause other display problems.
    data.imageEmptyCellStyle = true
+
imageLeftCell = imageLeftCell:tag('div'):css('width', '52px')
    data.category = 'Talk message boxes'
+
end
    return p.build(data, args)
+
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
 
end
  
local function makeWrapper(func)
+
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 func(args)
 
    end
 
 
end
 
end
  
p.ambox = makeWrapper(p._ambox)
+
function mt.__index(t, k)
p.fmbox = makeWrapper(p._fmbox)
+
return function (frame)
p.imbox = makeWrapper(p._imbox)
+
if not getArgs then
p.ombox = makeWrapper(p._ombox)
+
getArgs = require('Module:Arguments').getArgs
p.cmbox = makeWrapper(p._cmbox)
+
end
p.tmbox = makeWrapper(p._tmbox)
+
return t.main(k, getArgs(frame, {trim = false, removeBlanks = false}))
 +
end
 +
end
  
return p
+
return setmetatable(p, mt)

Latest revision as of 15:00, 14 July 2018

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'

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

	-- 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 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)