模組:Release timeline

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 = 96, 105 do
		if args[year .. string.char(i)] then
			return true
		end
	end
end

local function color(args, year)
	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)
	local label
	if year == 'TBA' then
		label = '待定'
	else
		label = year
	end
	
	builder:tag( 'td' ):wikitext( label  .. '－' )
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

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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
	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 '发行时间轴')

	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, firstyear, -1 do
			if isYearReleased(args, i) then
				lastyear = i
				break
			end
		end
	end

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

return p