Module:Episode table

This Lua module is used on many pages and changes may be widely noticed. Test changes in the module's /sandbox or /testcases subpages. Consider discussing changes on the talk page before implementing them.

Transclusion count updated automatically (see documentation).

This module is subject to page protection. It is a highly visible module in use by a very large number of pages, or is substituted very frequently. Because vandalism or mistakes would affect many pages, and even trivial editing might cause substantial load on the servers, it is protected from editing.

This module depends on the following other modules:

Usage

Creates one of three usages related to {{Episode table}} with the parameters defined in the documentation of the template:

A standard episode table with

Template:Mlx

or

A row for a parted season with

Template:Mlx

A white background for references used in the header row of episode tables with

Template:Mlx

Tracking category

Category:Articles using Template:Episode table with invalid colour combination (2)

-- This module implements {{Episode table}} and {{Episode table/part}}.

local HTMLcolor = mw.loadData( 'Module:Color contrast/colors' )

--------------------------------------------------------------------------------
-- EpisodeTable class
-- The main class.
--------------------------------------------------------------------------------

local contrast_ratio = require('Module:Color contrast')._ratio
local EpisodeTable = {}

function EpisodeTable.cell(background, width, text, reference)
	local cell = mw.html.create('th')
	
	-- Width
	local cell_width
	if width == 'auto' then
		cell_width = 'auto'
	elseif tonumber(width) ~= nil then
		cell_width = width .. '%'
	else
		cell_width = nil
	end
	
	-- Cell
	cell:attr('scope','col')
		:css('background',background or '#CCCCFF')
		:css('width',cell_width)
		:wikitext(text)
	
	-- Reference
	if reference and reference ~= '' then
		cell:wikitext("&#8202;" .. EpisodeTable.reference(reference, background))
	end
	
	return cell
end

function EpisodeTable.reference(reference, background)
	local link1_cr = contrast_ratio{'#0645AD', background or '#CCCCFF', ['error'] = 0}
	local link2_cr = contrast_ratio{'#0B0080', background or '#CCCCFF', ['error'] = 0}
	
	local refspan = mw.html.create('span')
		:wikitext(reference)
	
	if link1_cr < 7 or link2_cr < 7 then
		refspan
			:css('background-color','white')
			:css('padding','1px')
			:css('display','inline-block')
			:css('line-height','50%')
	end
	
	return tostring(refspan)
end

function EpisodeTable.abbr(text,title)
	local abbr = mw.html.create('abbr')
		:attr('title',title)
		:wikitext(text)
	return tostring(abbr)
end

function EpisodeTable.part(frame,args)
	local row = mw.html.create('tr')
	
	local black_cr = contrast_ratio{args.c, 'black', ['error'] = 0}
	local white_cr = contrast_ratio{'white', args.c, ['error'] = 0}
	
	local displaytext = (not args.nopart and 'Part ' or '') .. (args.p or '')
	
	local plainText = require('Module:Plain text')._main
	local displayTextAnchor = plainText(displaytext)
	
	row:tag('td')
		:attr('colspan', 13)
		:attr('id', displayTextAnchor)
		:css('text-align', 'center')
		:css('background-color', args.c)
		:css('color', black_cr > white_cr and 'black' or 'white')
		:wikitext("'''" .. displaytext .. "'''" .. (args.r and "&#8202;" .. EpisodeTable.reference(args.r, args.c) or ''))
	
	return tostring(row)
end

function EpisodeTable.new(frame,args)
	args = args or {}
	local categories = ''
	local background = (args.background and args.background ~= '' and args.background ~= '#') and args.background or nil
	
	-- Add # to background if necessary
	if background ~= nil and HTMLcolor[background] == nil then
		background = '#'..(mw.ustring.match(background, '^[%s#]*([a-fA-F0-9]*)[%s]*$') or '')
	end
	
	-- Default widths noted by local consensus
	local defaultwidths = {};
	defaultwidths.overall = 5;
	defaultwidths.season = 5;
	defaultwidths.series = 5;
	defaultwidths.prodcode = 7;
	defaultwidths.viewers = 10;
	
	-- Create episode table
	local root = mw.html.create('table')
	
	-- Table width
	local table_width = string.gsub(args.total_width or '','%%','')
	if args.total_width == 'auto' or args.total_width == '' then
		table_width = 'auto'
	elseif tonumber(table_width) ~= nil then
		table_width = table_width .. '%'
	else
		table_width = '100%'
	end
	
	root
		:addClass('wikitable')
		:addClass('plainrowheaders')
		:addClass('wikiepisodetable')
		:css('width', table_width)
	
	-- Caption
	if args.show_caption then
		-- Visible caption option, with a tracking category
		root:tag('caption'):wikitext(args.caption)
		categories = categories .. '[[Category:Articles using Template:Episode table with a visible caption]]'
	elseif args.caption then
		-- If a visible caption isn't defined, then default to the screenreader-only caption
		root:tag('caption'):wikitext(frame:expandTemplate{title='Screen reader-only',args={args.caption}})
	end
	
	-- Colour contrast; add to category only if it's in the mainspace
	local title = mw.title.getCurrentTitle()
	local black_cr = contrast_ratio{background, 'black', ['error'] = 0}
	local white_cr = contrast_ratio{'white', background, ['error'] = 0}
	
	if title.namespace == 0 and (args.background and args.background ~= '' and args.background ~= '#') and black_cr < 7 and white_cr < 7 then
		categories = categories .. '[[Category:Articles using Template:Episode table with invalid colour combination]]' 
	end
	
	-- Main row
	local mainRow = root:tag('tr')
	mainRow
		:css('color', background and (black_cr > white_cr and 'black' or 'white') or 'black')
		:css('text-align', 'center')
	
	-- Cells
	do
		local used_season = false
		local country = args.country ~= '' and args.country ~= nil
		local viewers = (country and args.country or '') .. ' ' .. (country and 'v' or 'V') .. 'iewers' ..
			((not args.viewers_type or args.viewers_type ~= '') and '<br />(' .. (args.viewers_type or 'millions') .. ')' or '')
		
		local cellNames = {
			{'overall','EpisodeNumber',EpisodeTable.abbr('No.','Number') ..
				((args.season or args.series or args.EpisodeNumber2 or args.EpisodeNumber2Series or args.forceoverall) and '<br />overall' or '')},
			{'season','EpisodeNumber2',EpisodeTable.abbr('No.','Number') .. ' in<br />season'},
			{'series','EpisodeNumber2Series',EpisodeTable.abbr('No.','Number') .. ' in<br />series'},
			{'title','Title','Title'},
			{'aux1','Aux1',''},
			{'director','DirectedBy','Directed by'},
			{'writer','WrittenBy','Written by'},
			{'aux2','Aux2',''},
			{'aux3','Aux3',''},
			{'airdate','OriginalAirDate','Original ' .. (args.released and 'release' or 'air') .. ' date'},
			{'altdate','AltDate',''},
			{'guests','Guests','Guest(s)'},
			{'musicalguests','MusicalGuests','Musical/entertainment guest(s)'},
			{'prodcode','ProdCode',EpisodeTable.abbr('Prod.','Production') .. '<br />code'},
			{'viewers','Viewers',viewers},
			{'aux4','Aux4',''}
		}
	
		for k,v in pairs(cellNames) do
			local thisCell = args[v[1]] or args[v[2]]
			if thisCell and (v[1] ~= 'series' or (v[1] == 'series' and used_season == false)) then
				if v[1] == 'season' then used_season = true end
				if (k <= 3 and thisCell == '') then thisCell = '5' end
				if (thisCell == '' and defaultwidths[v[1]]) then thisCell = defaultwidths[v[1]] end
				
				local thisCellT = args[v[1] .. 'T'] or args[v[2] .. 'T']
				local thisCellR = args[v[1] .. 'R'] or args[v[2] .. 'R']
				mainRow:node(EpisodeTable.cell(background, thisCell, thisCellT or v[3], thisCellR))
			end
		end
	
		-- Episodes
		if args.episodes then
			if args.anchor then 
				args.episodes = string.gsub(args.episodes, "(id=\")(ep%w+\")", "%1" .. args.anchor .. "%2")
			end
			
			root:node(args.episodes)
		end
	end
	
	return (args.dontclose and mw.ustring.gsub(tostring(root), "</table>", "") or tostring(root)) .. categories
end

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

local p = {}

function p.main(frame)
	local args = require('Module:Arguments').getArgs(frame, {
		removeBlanks = false,
		wrappers = 'Template:Episode table'
	})
	return EpisodeTable.new(frame,args)
end

function p.part(frame)
	local args = require('Module:Arguments').getArgs(frame, {
		removeBlanks = false,
		wrappers = 'Template:Episode table/part'
	})
	return EpisodeTable.part(frame,args)
end

function p.ref(frame)
	local args = require('Module:Arguments').getArgs(frame, {
		removeBlanks = false,
	})
	return EpisodeTable.reference(args.r,args.b)
end

return p

Module:Episode table

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