Module:Timeline of release years

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This module implements {{Timeline of release years}}.

The above documentation is transcluded from Module:Timeline of release years/doc. (edit | history)
Editors can experiment in this module's sandbox (edit | diff) and testcases (create) pages.
Subpages of this module.

require('Module:No globals')
local getArgs = require('Module:Arguments').getArgs
local p = {}

local function isYearReleased(args, year)
	if args[year] then
		return true
	end
	for i = 97, 106 do
		if args[year .. string.char(i)] then
			return true
		end
	end
end

local function color(args, year)
	
	if args[year .. '_color'] then
		return args[year .. '_color'] 
	end
	
	for i = 1, 5 do
		if args['range' .. i] then
			local _, _, beginyear, endyear = string.find( args['range' .. i], '^(%d%d%d%d).+(%d%d%d%d)$' )
			
			year = tonumber(year)
			beginyear = tonumber(beginyear) or 0
			endyear =  tonumber(endyear) or 0
			
			if year >= beginyear and year <= endyear then
				return args['range' .. i .. '_color']
			end
		end
	end
	
	return isYearReleased(args, year) and '#0BDA51' or '#228B22'
end

local function titleItem(builder, content)
	if content ~= nil then
		builder:tag( 'span' ):wikitext( '– ' .. content .. '<br />' )
	end
end

local function left(builder, year)
	builder:tag( 'td' )
		:attr('align', 'right')
		:wikitext( year  .. ' –' )
end

local function center(builder, args, year)
	builder:tag( 'td' )
		:css( 'width', '10px' )
		:css( 'border', '1px solid black' )
		:css( 'background-color', color(args, year) )
end

local function right(builder, args, year)
	if isYearReleased(args, year) == nil then return end
	
	builder = builder:tag('td')
	titleItem(builder, args[year] or args[year .. 'a' ])

	for i = 98, 106 do
		titleItem(builder, args[year .. string.char(i)])
	end
end

local function row(builder, args, year)
	builder = builder:tag('tr')
	left(builder, year)
	center(builder, args, year)
	right(builder, args, year)
end

--------------------------------------------------------------------------------

function p.main(frame)
	local args = getArgs(frame)
	return p._main(args)
end

function p._main(args)
	-- Main module code goes here.
	local ret
	local firstyear, lastyear, TBA
	TBA = isYearReleased(args, 'TBA')
	ret = mw.html.create( 'table' )
		:css('float', args.align or 'right')
		:css('clear', args.align or 'right')
		:css('margin', '0 0 0.5ex 1em')
		:css('font-size', '80%')
		:css('line-height', '90%')
		:attr('cellspacing', '0')
		:attr('cellpadding', '4')
		:attr('summary', args.summary or '')
	
	ret:tag('caption')
		:css('font-weight', 'bold')
		:wikitext(args.title or 'Timeline of release years')

	if tonumber(args.first) then
		firstyear = tonumber(args.first)
	else
		for i = 1980, os.date('%Y') do
			if isYearReleased(args, i) then
				firstyear = i
				break
			end
		end
	end
	
	if tonumber(args.last) then
		lastyear = tonumber(args.last)
	else
		for i = os.date('%Y') + 3, TBA and os.date('%Y') or firstyear, -1 do
			if isYearReleased(args, i) then
				lastyear = i
				break
			end
		end
		lastyear = lastyear or (os.date('%Y') - 1)
	end

	for year = firstyear, lastyear do
		row(ret, args, year)
	end
	
	if TBA then
		row(ret, args, 'TBA')
	end
	
	return ret
end

return p