Module:Arguments and Module:Message box: Difference between pages

From Frontierpedia, the Microsoft Agent encyclopedia
(Difference between pages)
en>MusikAnimal
m (1 revision imported)
 
en>Izno
(add templatestyles, remove a variable or two as a result)
 
Line 1: Line 1:
-- This module provides easy processing of arguments passed to Scribunto from
require('Module:No globals')
-- #invoke. It is intended for use by other Lua modules, and should not be
local getArgs
-- called from #invoke directly.
local yesno = require('Module:Yesno')
local lang = mw.language.getContentLanguage()


local libraryUtil = require('libraryUtil')
local CONFIG_MODULE = 'Module:Message box/configuration'
local checkType = libraryUtil.checkType
local DEMOSPACES = {talk = 'tmbox', image = 'imbox', file = 'imbox', category = 'cmbox', article = 'ambox', main = 'ambox'}


local arguments = {}
--------------------------------------------------------------------------------
-- Helper functions
--------------------------------------------------------------------------------


-- Generate four different tidyVal functions, so that we don't have to check the
local function getTitleObject(...)
-- options every time we call it.
-- 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 tidyValDefault(key, val)
local function union(t1, t2)
if type(val) == 'string' then
-- Returns the union of two arrays.
val = val:match('^%s*(.-)%s*$')
local vals = {}
if val == '' then
for i, v in ipairs(t1) do
return nil
vals[v] = true
else
end
return val
for i, v in ipairs(t2) do
end
vals[v] = true
else
end
return val
local ret = {}
for k in pairs(vals) do
table.insert(ret, k)
end
end
table.sort(ret)
return ret
end
end


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


local function tidyValRemoveBlanksOnly(key, val)
--------------------------------------------------------------------------------
if type(val) == 'string' then
-- Box class definition
if val:find('%S') then
--------------------------------------------------------------------------------
return val
 
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 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]]
elseif string.find( demospace, 'talk' ) then
-- demo as a talk page
obj.cfg = cfg.tmbox
else
-- default to ombox
obj.cfg = cfg.ombox
end
elseif 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
else
return nil
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
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
else
return val
cat = string.format('[[Category:%s]]', cat)
end
end
self.hasCategories = true
self.categories[ns] = self.categories[ns] or {}
table.insert(self.categories[ns], cat)
end
end


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


local function matchesTitle(given, title)
function MessageBox:setParameters()
local tp = type( given )
local args = self.args
return (tp == 'string' or tp == 'number') and mw.title.new( given ).prefixedText == title
local cfg = self.cfg
end
 
-- 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


local translate_mt = { __index = function(t, k) return k end }
-- Find if the box has been wrongly substituted.
self.isSubstituted = cfg.substCheck and args.subst == 'SUBST'


function arguments.getArgs(frame, options)
-- Find whether we are using a small message box.
checkType('getArgs', 1, frame, 'table', true)
self.isSmall = cfg.allowSmall and (
checkType('getArgs', 2, options, 'table', true)
cfg.smallParam and args.small == cfg.smallParam
frame = frame or {}
or not cfg.smallParam and yesno(args.small)
options = options or {}
)


--[[
-- Add attributes, classes and styles.
-- Set up argument translation.
self.id = args.id
--]]
self.name = args.name
options.translate = options.translate or {}
if self.name then
if getmetatable(options.translate) == nil then
self:addClass('box-' .. string.gsub(self.name,' ','_'))
setmetatable(options.translate, translate_mt)
end
if yesno(args.plainlinks) ~= false then
self:addClass('plainlinks')
end
end
if options.backtranslate == nil then
for _, class in ipairs(cfg.classes or {}) do
options.backtranslate = {}
self:addClass(class)
for k,v in pairs(options.translate) do
options.backtranslate[v] = k
end
end
end
if options.backtranslate and getmetatable(options.backtranslate) == nil then
if self.isSmall then
setmetatable(options.backtranslate, {
self:addClass(cfg.smallClass or 'mbox-small')
__index = function(t, k)
if options.translate[k] ~= k then
return nil
else
return k
end
end
})
end
end
self:addClass(self.typeClass)
self:addClass(args.class)
self.style = args.style
self.attrs = args.attrs


--[[
-- Set text style.
-- Get the argument tables. If we were passed a valid frame object, get the
self.textstyle = args.textstyle
-- frame arguments (fargs) and the parent frame arguments (pargs), depending
-- on the options set and on the parent frame's availability. If we weren't
-- passed a valid frame object, we are being called from another Lua module
-- or from the debug console, so assume that we were passed a table of args
-- directly, and assign it to a new variable (luaArgs).
--]]
local fargs, pargs, luaArgs
if type(frame.args) == 'table' and type(frame.getParent) == 'function' then
if options.wrappers then
--[[
-- The wrappers option makes Module:Arguments look up arguments in
-- either the frame argument table or the parent argument table, but
-- not both. This means that users can use either the #invoke syntax
-- or a wrapper template without the loss of performance associated
-- with looking arguments up in both the frame and the parent frame.
-- Module:Arguments will look up arguments in the parent frame
-- if it finds the parent frame's title in options.wrapper;
-- otherwise it will look up arguments in the frame object passed
-- to getArgs.
--]]
local parent = frame:getParent()
if not parent then
fargs = frame.args
else
local title = parent:getTitle():gsub('/sandbox$', '')
local found = false
if matchesTitle(options.wrappers, title) then
found = true
elseif type(options.wrappers) == 'table' then
for _,v in pairs(options.wrappers) do
if matchesTitle(v, title) then
found = true
break
end
end
end


-- We test for false specifically here so that nil (the default) acts like true.
-- Find if we are on the template page or not. This functionality is only
if found or options.frameOnly == false then
-- used if useCollapsibleTextFields is set, or if both cfg.templateCategory
pargs = parent.args
-- and cfg.templateCategoryRequireName are set.
end
self.useCollapsibleTextFields = cfg.useCollapsibleTextFields
if not found or options.parentOnly == false then
if self.useCollapsibleTextFields
fargs = frame.args
or cfg.templateCategory
end
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
end
else
local issue = args.issue
-- options.wrapper isn't set, so check the other options.
issue = type(issue) == 'string' and issue ~= '' and issue or nil
if not options.parentOnly then
local text = args.text
fargs = frame.args
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
end
if not options.frameOnly then
if talkTitle and talkTitle.exists then
local parent = frame:getParent()
                local talkText
pargs = parent and parent.args or nil
                if self.isSmall then
                    local talkLink = talkArgIsTalkPage and talk or (talkTitle.prefixedText .. '#' .. talk)
                    talkText = string.format('([[%s|talk]])', talkLink)
                else
                    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
                end
self.talk = talkText
end
end
end
end
if options.parentFirst then
 
fargs, pargs = pargs, fargs
-- 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(" <span class='date-container'><i>(<span class='date'>%s</span>)</i></span>", date)
end
self.info = args.info
if yesno(args.removalnotice) then
self.removalNotice = cfg.removalNotice
end
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
else
luaArgs = frame
self.text = args.text
end
end


-- Set the order of precedence of the argument tables. If the variables are
-- Set the below row.
-- nil, nothing will be added to the table, which is how we avoid clashes
self.below = cfg.below and args.below
-- between the frame/parent args and the Lua args.
local argTables = {fargs}
argTables[#argTables + 1] = pargs
argTables[#argTables + 1] = luaArgs


--[[
-- General image settings.
-- Generate the tidyVal function. If it has been specified by the user, we
self.imageCellDiv = not self.isSmall and cfg.imageCellDiv
-- use that; if not, we choose one of four functions depending on the
self.imageEmptyCell = cfg.imageEmptyCell
-- options chosen. This is so that we don't have to call the options table
 
-- every time the function is called.
-- Left image settings.
--]]
local imageLeft = self.isSmall and args.smallimage or args.image
local tidyVal = options.valueFunc
if cfg.imageCheckBlank and imageLeft ~= 'blank' and imageLeft ~= 'none'
if tidyVal then
or not cfg.imageCheckBlank and imageLeft ~= 'none'
if type(tidyVal) ~= 'function' then
then
error(
self.imageLeft = imageLeft
"bad value assigned to option 'valueFunc'"
if not imageLeft then
.. '(function expected, got '
local imageSize = self.isSmall
.. type(tidyVal)
and (cfg.imageSmallSize or '30x30px')
.. ')',
or '40x40px'
2
self.imageLeft = string.format('[[File:%s|%s|link=|alt=]]', self.typeImage
)
or 'Imbox notice.png', imageSize)
end
end
elseif options.trim ~= false then
end
if options.removeBlanks ~= false then
 
tidyVal = tidyValDefault
-- Right image settings.
else
local imageRight = self.isSmall and args.smallimageright or args.imageright
tidyVal = tidyValTrimOnly
if not (cfg.imageRightNone and imageRight == 'none') then
self.imageRight = imageRight
end
-- set templatestyles
self.base_templatestyles = cfg.templatestyles
self.templatestyles = args.templatestyles
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
end
else
if allCat then
if options.removeBlanks ~= false then
self:addCat(0, allCat)
tidyVal = tidyValRemoveBlanksOnly
else
tidyVal = tidyValNoChange
end
end
end
end
end
function MessageBox:setTemplateCategories()
local args = self.args
local cfg = self.cfg


--[[
-- Add template categories.
-- Set up the args, metaArgs and nilArgs tables. args will be the one
if cfg.templateCategory then
-- accessed from functions, and metaArgs will hold the actual arguments. Nil
if cfg.templateCategoryRequireName then
-- arguments are memoized in nilArgs, and the metatable connects all of them
if self.isTemplatePage then
-- together.
self:addCat(10, cfg.templateCategory)
--]]
end
local args, metaArgs, nilArgs, metatable = {}, {}, {}, {}
elseif not self.title.isSubpage then
setmetatable(args, metatable)
self:addCat(10, cfg.templateCategory)
end
end


local function mergeArgs(tables)
-- Add template error categories.
--[[
if cfg.templateErrorCategory then
-- Accepts multiple tables as input and merges their keys and values
local templateErrorCategory = cfg.templateErrorCategory
-- into one table. If a value is already present it is not overwritten;
local templateCat, templateSort
-- tables listed earlier have precedence. We are also memoizing nil
if not self.name and not self.title.isSubpage then
-- values, which can be overwritten if they are 's' (soft).
templateCat = templateErrorCategory
--]]
elseif self.isTemplatePage then
for _, t in ipairs(tables) do
local paramsToCheck = cfg.templateErrorParamsToCheck or {}
for key, val in pairs(t) do
local count = 0
if metaArgs[key] == nil and nilArgs[key] ~= 'h' then
for i, param in ipairs(paramsToCheck) do
local tidiedVal = tidyVal(key, val)
if not args[param] then
if tidiedVal == nil then
count = count + 1
nilArgs[key] = 's'
else
metaArgs[key] = tidiedVal
end
end
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
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
local frame = mw.getCurrentFrame()
root:wikitext(frame:extensionTag{
name = 'templatestyles',
args = { src = self.base_templatestyles },
})
-- Add support for a single custom templatestyles sheet. Undocumented as
-- need should be limited and many templates using mbox are substed; we
-- don't want to spread templatestyles sheets around to arbitrary places
if self.templatestyles then
root:wikitext(frame:extensionTag{
name = 'templatestyles',
args = { src = self.templatestyles },
})
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
end
boxTable
:cssText(self.style or nil)
:attr('role', 'presentation')


--[[
if self.attrs then
-- Define metatable behaviour. Arguments are memoized in the metaArgs table,
boxTable:attr(self.attrs)
-- and are only fetched from the argument tables once. Fetching arguments
end
-- from the argument tables is the most resource-intensive step in this
-- module, so we try and avoid it where possible. For this reason, nil
-- arguments are also memoized, in the nilArgs table. Also, we keep a record
-- in the metatable of when pairs and ipairs have been called, so we do not
-- run pairs and ipairs on the argument tables more than once. We also do
-- not run ipairs on fargs and pargs if pairs has already been run, as all
-- the arguments will already have been copied over.
--]]


metatable.__index = function (t, key)
-- Add the left-hand image.
--[[
local row = boxTable:tag('tr')
-- Fetches an argument when the args table is indexed. First we check
if self.imageLeft then
-- to see if the value is memoized, and if not we try and fetch it from
local imageLeftCell = row:tag('td'):addClass('mbox-image')
-- the argument tables. When we check memoization, we need to check
if self.imageCellDiv then
-- metaArgs before nilArgs, as both can be non-nil at the same time.
-- If we are using a div, redefine imageLeftCell so that the image
-- If the argument is not present in metaArgs, we also check whether
-- is inside it. Divs use style="width: 52px;", which limits the
-- pairs has been run yet. If pairs has already been run, we return nil.
-- image width to 52px. If any images in a div are wider than that,
-- This is because all the arguments will have already been copied into
-- they may overlap with the text or cause other display problems.
-- metaArgs by the mergeArgs function, meaning that any other arguments
imageLeftCell = imageLeftCell:tag('div'):addClass('mbox-image-div')
-- must be nil.
--]]
if type(key) == 'string' then
key = options.translate[key]
end
local val = metaArgs[key]
if val ~= nil then
return val
elseif metatable.donePairs or nilArgs[key] then
return nil
end
for _, argTable in ipairs(argTables) do
local argTableVal = tidyVal(key, argTable[key])
if argTableVal ~= nil then
metaArgs[key] = argTableVal
return argTableVal
end
end
end
nilArgs[key] = 'h'
imageLeftCell:wikitext(self.imageLeft or nil)
return 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')
end
end


metatable.__newindex = function (t, key, val)
-- Add the text.
-- This function is called when a module tries to add a new value to the
local textCell = row:tag('td'):addClass('mbox-text')
-- args table, or tries to change an existing value.
if self.useCollapsibleTextFields then
if type(key) == 'string' then
-- The message box uses advanced text parameters that allow things to be
key = options.translate[key]
-- 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) 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
end
if options.readOnly then
if self.removalNotice then
error(
textCellDiv:tag('span')
'could not write to argument table key "'
:addClass('hide-when-compact')
.. tostring(key)
:tag('i')
.. '"; the table is read-only',
:wikitext(string.format(" (%s)", self.removalNotice))
2
)
elseif options.noOverwrite and args[key] ~= nil then
error(
'could not write to argument table key "'
.. tostring(key)
.. '"; overwriting existing arguments is not permitted',
2
)
elseif val == nil then
--[[
-- If the argument is to be overwritten with nil, we need to erase
-- the value in metaArgs, so that __index, __pairs and __ipairs do
-- not use a previous existing value, if present; and we also need
-- to memoize the nil in nilArgs, so that the value isn't looked
-- up in the argument tables if it is accessed again.
--]]
metaArgs[key] = nil
nilArgs[key] = 'h'
else
metaArgs[key] = val
end
end
else
-- Default text formatting - anything goes.
textCell
:cssText(self.textstyle or nil)
:wikitext(self.text or nil)
end
end


local function translatenext(invariant)
-- Add the right-hand image.
local k, v = next(invariant.t, invariant.k)
if self.imageRight then
invariant.k = k
local imageRightCell = row:tag('td'):addClass('mbox-imageright')
if k == nil then
if self.imageCellDiv then
return nil
-- If we are using a div, redefine imageRightCell so that the image
elseif type(k) ~= 'string' or not options.backtranslate then
-- is inside it.
return k, v
imageRightCell = imageRightCell:tag('div'):addClass('mbox-image-div')
else
local backtranslate = options.backtranslate[k]
if backtranslate == nil then
-- Skip this one. This is a tail call, so this won't cause stack overflow
return translatenext(invariant)
else
return backtranslate, v
end
end
end
imageRightCell
:wikitext(self.imageRight or nil)
end
end


metatable.__pairs = function ()
-- Add the below row.
-- Called when pairs is run on the args table.
if self.below then
if not metatable.donePairs then
boxTable:tag('tr')
mergeArgs(argTables)
:tag('td')
metatable.donePairs = true
:attr('colspan', self.imageRight and '3' or '2')
end
:addClass('mbox-text')
return translatenext, { t = metaArgs }
:cssText(self.textstyle or nil)
:wikitext(self.below or nil)
end
end


local function inext(t, i)
-- Add error message for invalid type parameters.
-- This uses our __index metamethod
if self.invalidTypeError then
local v = t[i + 1]
root:tag('div')
if v ~= nil then
:addClass('mbox-invalid-type')
return i + 1, v
:wikitext(string.format(
end
'This message box is using an invalid "type=%s" parameter and needs fixing.',
self.type or ''
))
end
end


metatable.__ipairs = function (t)
-- Add categories.
-- Called when ipairs is run on the args table.
root:wikitext(self:renderCategories() or nil)
return inext, t, 0
 
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 args
end
end


return arguments
return setmetatable(p, mt)

Revision as of 18:19, 11 July 2022

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

require('Module:No globals')
local getArgs
local yesno = require('Module:Yesno')
local lang = mw.language.getContentLanguage()

local CONFIG_MODULE = 'Module:Message box/configuration'
local DEMOSPACES = {talk = 'tmbox', image = 'imbox', file = 'imbox', category = 'cmbox', article = 'ambox', main = 'ambox'}

--------------------------------------------------------------------------------
-- 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 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]]
			elseif string.find( demospace, 'talk' ) then
				-- demo as a talk page
				obj.cfg = cfg.tmbox
			else
				-- default to ombox
				obj.cfg = cfg.ombox
			end
		elseif 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
	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
                if self.isSmall then
                    local talkLink = talkArgIsTalkPage and talk or (talkTitle.prefixedText .. '#' .. talk)
                    talkText = string.format('([[%s|talk]])', talkLink)
                else
                    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
                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(" <span class='date-container'><i>(<span class='date'>%s</span>)</i></span>", 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

	-- 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
	
	-- set templatestyles
	self.base_templatestyles = cfg.templatestyles
	self.templatestyles = args.templatestyles
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

	local frame = mw.getCurrentFrame()
	root:wikitext(frame:extensionTag{
		name = 'templatestyles',
		args = { src = self.base_templatestyles },
	})
	-- Add support for a single custom templatestyles sheet. Undocumented as
	-- need should be limited and many templates using mbox are substed; we
	-- don't want to spread templatestyles sheets around to arbitrary places
	if self.templatestyles then
		root:wikitext(frame:extensionTag{
			name = 'templatestyles',
			args = { src = self.templatestyles },
		})
	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'):addClass('mbox-image-div')
		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')
	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) 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('span')
				: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'):addClass('mbox-image-div')
		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')
			:addClass('mbox-invalid-type')
			: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)