Module:Infobox
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--
-- This module implements
--
local p = {}
local HtmlBuilder = require('Module:HtmlBuilder')
local args = {} local origArgs local root
function union(t1, t2)
-- Returns the union of the values of two tables, as a sequence.
local vals = {}
for k, v in pairs(t1) do
vals[v] = true
end
for k, v in pairs(t2) do
vals[v] = true
end
local ret = {}
for k, v in pairs(vals) do
table.insert(ret, k)
end
return ret
end
local function getArgNums(prefix)
-- Returns a table containing the numbers of the arguments that exist
-- for the specified prefix. For example, if the prefix was 'data', and
-- 'data1', 'data2', and 'data5' exist, it would return {1, 2, 5}.
local nums = {}
for k, v in pairs(args) do
local num = tostring(k):match('^' .. prefix .. '([1-9]%d*)$')
if num then table.insert(nums, tonumber(num)) end
end
table.sort(nums)
return nums
end
local function addRow(rowArgs)
-- Adds a row to the infobox, with either a header cell
-- or a label/data cell combination.
if rowArgs.header then
root
.tag('tr')
.addClass(rowArgs.rowclass)
.tag('th')
.attr('colspan', 2)
.addClass(rowArgs.class)
.css('text-align', 'center')
.cssText(args.headerstyle)
.wikitext(rowArgs.header)
elseif rowArgs.data then
local row = root.tag('tr')
row.addClass(rowArgs.rowclass)
if rowArgs.label then
row
.tag('th')
.attr('scope', 'row')
.css('text-align', 'left')
.cssText(args.labelstyle)
.wikitext(rowArgs.label)
.done()
end
local dataCell = row.tag('td')
if not rowArgs.label then
dataCell
.attr('colspan', 2)
.css('text-align', 'center')
end
dataCell
.addClass(rowArgs.class)
.cssText(rowArgs.datastyle)
.newline()
.wikitext(rowArgs.data)
end
end
local function renderTitle()
if not args.title then return end
root
.tag('caption')
.addClass(args.titleclass)
.cssText(args.titlestyle)
.wikitext(args.title)
end
local function renderAboveRow()
if not args.above then return end
root
.tag('tr')
.tag('th')
.attr('colspan', 2)
.addClass(args.aboveclass)
.css('text-align', 'center')
.css('font-size', '125%')
.css('font-weight', 'bold')
.cssText(args.abovestyle)
.wikitext(args.above)
end
local function renderBelowRow()
if not args.below then return end
root
.tag('tr')
.tag('td')
.attr('colspan', '2')
.addClass(args.belowclass)
.css('text-align', 'center')
.cssText(args.belowstyle)
.newline()
.wikitext(args.below)
end
local function renderSubheaders()
if args.subheader then
args.subheader1 = args.subheader
end
if args.subheaderrowclass then
args.subheaderrowclass1 = args.subheaderrowclass
end
local subheadernums = getArgNums('subheader')
for k, num in ipairs(subheadernums) do
addRow({
data = args['subheader' .. tostring(num)],
datastyle = args.subheaderstyle or args['subheaderstyle' .. tostring(num)],
class = args.subheaderclass,
rowclass = args['subheaderrowclass' .. tostring(num)]
})
end
end
local function renderImages()
if args.image then
args.image1 = args.image
end
if args.caption then
args.caption1 = args.caption
end
local imagenums = getArgNums('image')
for k, num in ipairs(imagenums) do
local caption = args['caption' .. tostring(num)]
local data = HtmlBuilder.create().wikitext(args['image' .. tostring(num)])
if caption then
data
.tag('br', {selfClosing = true})
.done()
.tag('div')
.cssText(args.captionstyle)
.wikitext(caption)
end
addRow({
data = tostring(data),
datastyle = args.imagestyle,
class = args.imageclass,
rowclass = args['imagerowclass' .. tostring(num)]
})
end
end
local function renderRows()
-- Gets the union of the header and data argument numbers,
-- and renders them all in order using addRow.
local rownums = union(getArgNums('header'), getArgNums('data'))
table.sort(rownums)
for k, num in ipairs(rownums) do
addRow({
header = args['header' .. tostring(num)],
label = args['label' .. tostring(num)],
data = args['data' .. tostring(num)],
datastyle = args.datastyle,
class = args['class' .. tostring(num)],
rowclass = args['rowclass' .. tostring(num)]
})
end
end
local function renderNavBar()
if not args.name then return end
root
.tag('tr')
.tag('td')
.attr('colspan', '2')
.css('text-align', 'right')
.wikitext(mw.getCurrentFrame():expandTemplate({
title = 'navbar',
args = { args.name, mini = 1 }
}))
end
local function renderItalicTitle()
local italicTitle = args['italic title'] and mw.ustring.lower(args['italic title'])
if italicTitle == or italicTitle == 'force' or italicTitle == 'yes' then
root.wikitext(mw.getCurrentFrame():expandTemplate({title = 'italic title'}))
end
end
local function renderTrackingCategories()
if args.decat ~= 'yes' then
if #(getArgNums('data')) == 0 and mw.title.getCurrentTitle().namespace == 0 then
root.wikitext()
end
if args.child == 'yes' and args.title then
root.wikitext()
end
end
end
local function _infobox()
-- Specify the overall layout of the infobox, with special settings
-- if the infobox is used as a 'child' inside another infobox.
if args.child ~= 'yes' then
root = HtmlBuilder.create('table')
root
.addClass('infobox')
.addClass(args.bodyclass)
.attr('cellspacing', 3)
.css('border-spacing', '3px')
if args.subbox == 'yes' then
root
.css('padding', '0')
.css('border', 'none')
.css('margin', '-3px')
.css('width', 'auto')
.css('min-width', '100%')
.css('font-size', '100%')
.css('clear', 'none')
.css('float', 'none')
.css('background-color', 'transparent')
else
root
.css('width', '22em')
end
root
.cssText(args.bodystyle)
renderTitle()
renderAboveRow()
else
root = HtmlBuilder.create()
root
.wikitext(args.title)
end
renderSubheaders() renderImages() renderRows() renderBelowRow() renderNavBar() renderItalicTitle() renderTrackingCategories() return tostring(root)
end
local function preprocessSingleArg(argName)
-- If the argument exists and isn't blank, add it to the argument table.
-- Blank arguments are treated as nil to match the behaviour of ParserFunctions.
if origArgs[argName] and origArgs[argName] ~= then
args[argName] = origArgs[argName]
end
end
local function preprocessArgs(prefixTable, step)
-- Assign the parameters with the given prefixes to the args table, in order, in batches
-- of the step size specified. This is to prevent references etc. from appearing in the
-- wrong order. The prefixTable should be an array containing tables, each of which has
-- two possible fields, a "prefix" string and a "depend" table. The function always parses
-- parameters containing the "prefix" string, but only parses parameters in the "depend"
-- table if the prefix parameter is present and non-blank.
if type(prefixTable) ~= 'table' then
error("Non-table value detected for the prefix table", 2)
end
if type(step) ~= 'number' then
error("Invalid step value detected", 2)
end
-- Get arguments without a number suffix, and check for bad input.
for i,v in ipairs(prefixTable) do
if type(v) ~= 'table' or type(v.prefix) ~= "string" or (v.depend and type(v.depend) ~= 'table') then
error('Invalid input detected to preprocessArgs prefix table', 2)
end
preprocessSingleArg(v.prefix)
-- Only parse the depend parameter if the prefix parameter is present and not blank.
if args[v.prefix] and v.depend then
for j, dependValue in ipairs(v.depend) do
if type(dependValue) ~= 'string' then
error('Invalid "depend" parameter value detected in preprocessArgs')
end
preprocessSingleArg(dependValue)
end
end
end
-- Get arguments with number suffixes.
local a = 1 -- Counter variable.
local moreArgumentsExist = true
while moreArgumentsExist == true do
moreArgumentsExist = false
for i = a, a + step - 1 do
for j,v in ipairs(prefixTable) do
local prefixArgName = v.prefix .. tostring(i)
if origArgs[prefixArgName] then
moreArgumentsExist = true -- Do another loop if any arguments are found, even blank ones.
preprocessSingleArg(prefixArgName)
end
-- Process the depend table if the prefix argument is present and not blank, or
-- we are processing "prefix1" and "prefix" is present and not blank, and
-- if the depend table is present.
if v.depend and (args[prefixArgName] or (i == 1 and args[v.prefix])) then
for j,dependValue in ipairs(v.depend) do
local dependArgName = dependValue .. tostring(i)
preprocessSingleArg(dependArgName)
end
end
end
end
a = a + step
end
end
function p.infobox(frame)
-- If called via #invoke, use the args passed into the invoking template.
-- Otherwise, for testing purposes, assume args are being passed directly in.
if frame == mw.getCurrentFrame() then
origArgs = frame:getParent().args
else
origArgs = frame
end
-- Parse the data parameters in the same order that the old
did, so that
-- references etc. will display in the expected places. Parameters that depend on
-- another parameter are only processed if that parameter is present, to avoid
-- phantom references appearing in article reference lists.
preprocessSingleArg('child')
preprocessSingleArg('bodyclass')
preprocessSingleArg('subbox')
preprocessSingleArg('bodystyle')
preprocessSingleArg('title')
preprocessSingleArg('titleclass')
preprocessSingleArg('titlestyle')
preprocessSingleArg('above')
preprocessSingleArg('aboveclass')
preprocessSingleArg('abovestyle')
preprocessArgs({
{prefix = 'subheader', depend = {'subheaderstyle', 'subheaderrowclass'}}
}, 10)
preprocessSingleArg('subheaderstyle')
preprocessSingleArg('subheaderclass')
preprocessArgs({
{prefix = 'image', depend = {'caption', 'imagerowclass'}}
}, 10)
preprocessSingleArg('captionstyle')
preprocessSingleArg('imagestyle')
preprocessSingleArg('imageclass')
preprocessArgs({
{prefix = 'header'},
{prefix = 'data', depend = {'label'}},
{prefix = 'rowclass'},
{prefix = 'class'}
}, 50)
preprocessSingleArg('headerstyle')
preprocessSingleArg('labelstyle')
preprocessSingleArg('datastyle')
preprocessSingleArg('below')
preprocessSingleArg('belowclass')
preprocessSingleArg('belowstyle')
preprocessSingleArg('name')
args['italic title'] = origArgs['italic title'] -- different behaviour if blank or absent
preprocessSingleArg('decat')
return _infobox()
end
return p