Module:Sidebar games events

--
-- This module implements {{Sidebar games events}}
-- This module was created using code taken directly from [[Module:Sidebar]] 
--
require('strict')

local p = {}

local DEFAULT_IMAGE_SIZE = 50

local getArgs = require('Module:Arguments').getArgs

local tracking, preview = {}, {}

local function delink_image(image)
	if image and image:match('pictogram') and image:match('%.svg') then
		return ' ' -- Note an empty space will remove the link in the wikitext
	end
end

local function checkargs(args)
    for k, v in pairs(args) do
    	if v ~= '' then
			if k and type(k) == 'string' then
				if k == 'event' or k == 'games' or k == 'name' or 
					k =='caption' or k =='above' or
					k == 'title' or k == 'alignresults' or k == 'alignevents' or
					k == 'width' or k == 'maxwidth' or k == 'float' or
					k == 'below' or k == 'prev' or k == 'next' then
					-- valid
				elseif k:match('^title%d+$') or k:match('^event%d+$') or
					k:match('^image%d*$') or 
					k:match('^image%d*_size$') or 
					k:match('^type%d+[a-e]$') or
					k:match('^event%d+%.%d+$') or 
					k:match('^results%d+%.%d+[a-e]?$') or
					k:match('^border%d+%.%d+$') then
					-- valid
				elseif k == 'categories' or k == 'nocat' or k == 'demo' then
					-- valid for doc page
				else
					-- invalid
					local vlen = mw.ustring.len(k)
					k = mw.ustring.sub(k, 1, (vlen < 25) and vlen or 25) 
					k = mw.ustring.gsub(k, '[^%w%-_ ]', '?')
					table.insert(tracking, '[[Category:Pages using sidebar games events with unknown parameters|' .. k .. ']]')
					table.insert(preview, '"' .. k .. '"')
				end
			end
		end
	end
end

function p.sidebar(frame, args)

	if not args then
		args = getArgs(frame)
	end
		
	local root = mw.html.create()

	root = root
		:tag('table')
		:addClass('sidebar-games-events')
		:addClass(args.float == 'left' and 'sidebar-games-events-left' or nil)
		:addClass(args.float == 'none' and 'sidebar-games-events-none' or nil)
		:addClass('sidebar')
		:addClass('nomobile')
		:css('width', args.width or nil)
		:css('max-width', args.maxwidth or nil)

	-- enumerate the rows and count the columns
	local cols = 1
	local colindex = {a = '2', b = '3', c = '4', d = '5', e = '6'}
	local lets = {'a', 'b', 'c', 'd', 'e'}
	local rowNums = {}
	local subevents = 0
	local hasevents = false

	for k, v in pairs(args) do
		k = '' .. k
		
		-- find rows
		local num = k:match('^event(%d+)$') 
			or k:match('^image(%d+)$')
			or k:match('^title(%d+)$')
			or k:match('^type(%d+)[a-e]$')
			or k:match('^event(%d+)%.%d+$')
			or k:match('^results(%d+)%.%d+[a-e]?$')
		if num then table.insert(rowNums, tonumber(num)) end
		
		-- find number of columns
		if k:match('^results%d+%.(%d+)$') then
			cols = (2 > cols) and 2 or cols
		end
		
		-- find number of columns based on let(s)
		local let = k:match('^results%d+%.%d+([a-e])$')
			or k:match('^type%d+([a-e])$')
		if let and colindex[let] then
			local n = tonumber(colindex[let])
			cols = (n > cols) and n or cols
		end
		
		-- find subevents
		local subnum = k:match('^results%d+%.(%d+)[a-e]?$')
			or k:match('^event%d+%.(%d+)$')
		if subnum then
			subnum = tonumber(subnum)
			subevents = (subnum > subevents) and subnum or subevents
		end
		
		-- identify events (that match looks awfully similar to subevents)
		if k:match('^(event%d+%.%d+)$') then
			hasevents = true
		end
	end
	-- remove duplicates from the list (e.g. 3 will be duplicated if both event3 and image3 are specified)
	table.sort(rowNums)
	for i = #rowNums, 1, -1 do
		if rowNums[i] == rowNums[i - 1] then
			table.remove(rowNums, i)
		end
	end
	
	-- alignment
	local alignevents = nil
	if args.alignevents and args.alignevents == 'right' then
		alignevents = 'event-r'
	end
	local alignresults = nil
	if args.alignresults and args.alignresults == 'right' then
		alignresults = 'result-r'
	elseif args.alignresults and args.alignresults == 'left' then
		alignresults = 'result-l'
	end

	-- add the top level header	
	if args.event or args.title then
		local t = args.event
		if args.title then
			t = args.title
		elseif args.games then
			t = '[[' .. args.event .. ' at the ' .. args.games .. '|' .. args.event .. ']]'
				.. ' at the<br>' .. '[[' .. args.games .. ']]'
		end
		local cell = root:tag('tr'):tag('th')
		cell
			:addClass('sidebar-games-events-title')
			:attr('colspan', cols)
		cell:wikitext(t)
	end

	if args.image then
		local imageCell = root:tag('tr'):tag('td')

		imageCell
			:addClass('sidebar-games-events-image')
			:attr('colspan', cols)
			:wikitext(require('Module:InfoboxImage').InfoboxImage{args = {
				image = args.image,
				size = (args.image_size or DEFAULT_IMAGE_SIZE),
				link = delink_image(args.image)
			}})
		if args.caption then
			imageCell
				:tag('div')
					:addClass('sidebar-games-events-caption')
					:wikitext(args.caption)
		end
	end

	if args.above then
		local cell = root:tag('tr'):tag('td')
		cell:attr('colspan', cols)
			:wikitext(args.above)
	end
	
	-- start adding rows
	for i, num in ipairs(rowNums) do
		local heading = nil
		local event = args['event' .. num]
		local image = require('Module:InfoboxImage').InfoboxImage{args = {
			image = args['image' .. num],
			size = (args['image'..num..'_size'] or DEFAULT_IMAGE_SIZE),
			link = delink_image(args['image' .. num])
		}}
		local title = args['title' .. num]
		if title then
			root:tag('tr')
					:tag('th')
						:addClass('event-title')
						:attr('colspan', cols)
						:wikitext(title)
		end
		
		if event and image then
			heading = event .. '<br>' .. image
		elseif event then
			heading = event
		elseif image then
			heading = image
		end
		
		if heading and heading ~= '' then
			root
				:tag('tr')
					:tag('th')
						:addClass('sidebar-games-events-heading')
						:attr('colspan', cols)
						:wikitext(heading)
		end

		local showtypes = false
		for j, let in ipairs(lets) do
			if j < cols then
				if args['type' .. num .. let] then
					showtypes = true
				end
			end
		end
		if showtypes == true then
			local row = root:tag('tr')
			row:tag('th'):addClass((hasevents == false) and 'no-event' or nil)
			for j, let in ipairs(lets) do
				if j < cols then
					local t = args['type' .. num .. let]
					local cell = row:tag('th')
					if t then
						cell
							:addClass('type-let')
							:css('width', (cols > 2) and tostring(math.floor(100/(cols-1))) .. '%' or nil)
							:wikitext(t)
					end
				end
			end
		end

		for k=1,subevents do
			local hasresults = false
			if args['results' .. num .. '.' .. k] then
				hasresults = true
			else
				for j, let in ipairs(lets) do
					if j < cols then
						if args['results' .. num .. '.' .. k .. let] then
							hasresults = true
						end
					end
				end
			end
	
			if hasresults then
				local row = root:tag('tr')
				local cell = row:tag('th'):addClass((hasevents == false) and 'no-event' or nil)
				local t = args['event' .. num .. '.' .. k]
				local border = args['border' .. num .. '.' .. k]  and 'erl-border' or nil
				if t then
					cell
						:addClass('event')
						:addClass(alignevents)
						:addClass(border)
						:wikitext(t)
				end
				if args['results' .. num .. '.' .. k] then
					row:tag('td')
							:addClass(border)
							:addClass(alignresults)
							:attr('colspan', cols - 1)
							:wikitext(args['results' .. num .. '.' .. k])
				else
					for j, let in ipairs(lets) do
						if j < cols then
							t = args['results' .. num .. '.' .. k .. let]
							row:tag('td')
								:addClass(border)
								:addClass(alignresults)
								:wikitext(t)
						end
					end
				end
			end
		end
	end
		
	if args.below then
		root
			:tag('tr')
				:tag('td')
					:addClass(args.belowclass)
					:attr('colspan', cols)
					:cssText(args.belowstyle)
					:wikitext(args.below)
	end

	if args.prev or args.next then
		local row = root:tag('tr'):tag('td')
			:addClass('sidebar-games-events-prevnext')
			:attr('colspan', cols)
				:tag('div')
		row:tag('div')
			:addClass('sidebar-games-events-prev')
			:wikitext(args.prev)
		row:tag('div')
			:addClass('sidebar-games-events-next')
			:wikitext(args.next)
	end

	if args.navbar ~= 'none' and args.navbar ~= 'off' and
		(args.name or frame:getParent():getTitle():gsub('/sandbox$', '') ~= 'Template:Sidebar games events') then
		root
			:tag('tr')
				:tag('td')
					:addClass('sidebar-games-events-navbar')
					:attr('colspan', cols)
					:wikitext(require('Module:Navbar')._navbar{
						args.name,
						mini = 1,
						fontstyle = args.navbarfontstyle
					})
	end
	
	if mw.title.getCurrentTitle().namespace == 10 and (args.name ~= mw.title.getCurrentTitle().text) and not (mw.title.getCurrentTitle().text:match('Sidebar games events')) then
    	root:wikitext("[[Category:Templates using sidebar games events without correct name]]")
	end
	
	checkargs(args)

	local trackstr = (#tracking > 0) and table.concat(tracking, '') or ''
	if #preview > 0 then
		trackstr = require('Module:If preview')._warning({
			'Unknown parameters ' .. table.concat(preview, '; ') .. '.'
		}) .. trackstr
	end

	return mw.getCurrentFrame():extensionTag{
		name = 'templatestyles', args = { src = 'Module:Sidebar games events/styles.css' }
	} .. tostring(root) .. trackstr
end
return p