Module:Sprite

local p = {} function p.base( f ) local args = f	if f == mw.getCurrentFrame then args = require( 'Module:ProcessArgs' ).merge( true ) end -- Default settings local default = { scale = 1, sheetsize = 256, size = 16, pos = 1, link = '', align = 'text-top', class = '', text = '', title = '' }	local defaultStyle = mw.clone( default ) if args.settings then local settings = mw.loadData( 'Module:' .. args.settings ) for k, v in pairs( settings ) do			default[k] = v			if settings.stylesheet then defaultStyle[k] = v			end end end local name = args.name or default.name local scale = args.scale or default.scale local autoScale = args.autoscale or default.autoscale local sheetWidth = args.sheetsize or default.sheetsize local size = args.size or default.size local pos = math.abs( args.pos or default.pos ) - 1 local link = args.link or default.link local align = args.align or default.align local class = args.class or default.class local text = args.text or default.text local title = args.title or default.title local css = args.css or default.css local className = args.classname or default.classname

local tiles = sheetWidth / size local left = pos % tiles * size local top = math.floor( pos / tiles ) * size local styles = {} if args.stylesheet or default.stylesheet then class = ( className or mw.ustring.lower( name:gsub( ' ', '-' ) ) .. '-sprite ' ) .. class else table.insert( styles, 'background-image:' ) end if left > 0 or top > 0 then table.insert( styles, 'background-position:-' .. left * scale .. 'px -' .. top * scale .. 'px' ) end if not autoScale and scale ~= defaultStyle.scale then table.insert( styles, 'background-size:' .. sheetWidth * scale .. 'px auto' ) end if size ~= defaultStyle.size or ( not autoScale and scale ~= defaultStyle.scale ) then table.insert( styles, 'height:' .. size * scale .. 'px;width:' .. size * scale .. 'px' ) end if align ~= defaultStyle.align then table.insert( styles, 'vertical-align:' .. align ) end if css then table.insert( styles, css ) end if title ~= '' then title = ' title="' .. title .. '"' end local sprite = table.concat( {		' '	}, ' ' ) sprite = sprite:gsub( '%s+([">])', '%1' )	if text ~=  then		text = ' ' .. text .. ' '	end	local content = ' ' .. sprite .. text .. ' '	if link ~=  and mw.ustring.lower( link ) ~= 'none' then		if link:find( '//' ) then			-- External link			return '[' .. link .. ' ' .. content .. ']'		else			-- Internal link			local linkPrefix = args.linkprefix or default.linkprefix or 			return  .. content .. ''		end	else		return content	end end

function p.sprite( f ) local args = f	if f == mw.getCurrentFrame then args = require( 'Module:ProcessArgs' ).merge( true ) end local category = '' if tonumber( args[1] ) then args.pos = args[1] else local default = {} if args.settings then default = mw.loadData( 'Module:' .. args.settings ) end local name = args.name or default.name local ids = mw.loadData( 'Module:' .. ( args.ids or default.ids or 'Sprite/' .. name ) ) local id = mw.text.trim( args[1] or '' ) local pos = ids[id] or ids[mw.ustring.lower( id ):gsub( '[%s%+]', '-' )] if not pos and not mw.title.getCurrentTitle.isSubpage then category = '' end args.pos = pos end return p.base( args ) .. category end

function p.link( f ) local args = f	if f == mw.getCurrentFrame then args = require( 'Module:ProcessArgs' ).merge( true ) end local link = args[1] if args[1] and not args.id then link = args[1]:match( '^(.-)%+' ) or args[1] end local text = args.text or args[2] or link args[1] = args.id or args[1] args.link = args.link or link args.text = text return p.sprite( args ) end

function p.doc( f ) local settings = mw.loadData( 'Module:' .. f.args[1] ) local idTable = mw.title.new( 'Module:' .. ( settings.ids or 'Sprite/' .. settings.name ) ):getContent idTable = idTable:gsub( '(\n%s*%-%-%s*.-%s*%-%-%s*\n)', '%1,' ):gsub( '^return {',  ):gsub( '}$',  ) local html = {} local ids = {} local posKeys = {} local section = '' for line in mw.text.gsplit( idTable, ',' ) do		line = mw.text.trim( line ) id = line:match( '^%[[\'"](.+)[\'"]%]' ) or line:match( '^%w+' ) or 		pos = line:match( '=%s*(%d+)%s*,?$' ) or 		section = line:match( '^%-%-%s*(.+)%s*%-%-$' ) or section		if id ~=  and pos ~=  then			if ids[pos] then				if type( ids[pos].id ) == 'table' then					table.insert( ids[pos].id, id )				else					ids[pos].id = { ids[pos].id, id }				end			else				ids[pos] = { id = id, section = section }				table.insert( posKeys, pos )			end		end	end	local list = {}	local listHead = ''	local listFoot = ''	local lastSection = 	for i, pos in ipairs( posKeys ) do		local id = ids[pos].id		local newSection = mw.text.trim( ids[pos].section )		if newSection ~= lastSection or i == 1 then			if newSection ~= lastSection then				if lastSection ~=  then					table.insert( list, listFoot )				end				table.insert( list, '\n===' .. newSection .. '===\n' )				lastSection = newSection			end			table.insert( list, listHead )		end		table.insert( list, ' ' )				else					table.insert( list, ' ' )				end			end		else			table.insert( list, p.sprite{ id, settings = f.args[1] } .. '  ' )		end		table.insert( list, '   ' )		if i == #posKeys then			table.insert( list, listFoot )		end	end	local out = table.concat( list )	if not f.args.refresh then		out = f:preprocess( '' ) .. '' .. out .. ' '	end	return out end return p