Module:ItemList

local p = {} function p.itemlist( f ) local args = f:getParent.args

local listtype, extrastyle = 'ul', '' local commas = false local iconsize = args.iconsize or '20px' local showOne = args.showQuantityOne or false local asPerCent = args.showQuantityAsPerCent or false

if args.columns ~= nil then extrastyle = extrastyle..'column-count:'..args.columns..';' end

if args.columnWidth ~= nil then extrastyle = extrastyle..'column-width:'..args.columnWidth..';' end

if args.marginLeft ~= nil then extrastyle = extrastyle..'margin-left:'..args.marginLeft..';' end

if args.listtype ~= nil then if args.listtype == 'ol' then listtype = 'ol' elseif args.listtype == 'comma' then commas = true else -- none extrastyle = extrastyle..'list-style:none;margin-left:0;' end end

-- split first value at comma, e.g. for data from module:dv local items = {} for v in mw.text.gsplit(args[1], ',', true) do   if #v > 0 then -- skip empty table.insert(items, v)   end end

-- append rest parameters for _,v in ipairs(args) do    if _ > 1 and #v > 0 then table.insert(items, v)   end end

-- read arguments list into itemList (consists of tables, at index 1 is the text, at index 2 the quantity (optional)) local itemList, i, lastItem = {}, 0, nil for _, item in ipairs(items) do   item = item:match "^%s*(.-)%s*$" -- trim

if string.len(item) > 0 then if lastItem and (item:match "^[%d.]*$" or item:match "^[%d.]*%-[%d.]*$") then if asPerCent then itemList[i][2] = item * 100 -- item is per cent value elseif item ~= '1' or showOne then itemList[i][2] = item -- item is quantity end lastItem = nil else table.insert(itemList, {item, nil} ) -- item is text i = i + 1 lastItem = item end end end

-- output itemList local output = {} local quantitySign = asPerCent and '% ' or ' × ' for _, item in ipairs(itemList) do   local fileName = string.gsub(item[1],':',' ') if commas then table.insert(output, ', '..(item[2] ~= nil and item[2]..quantitySign or )..' '....(item[1])..' ') else table.insert(output, ''..(item[2] ~= nil and item[2]..quantitySign or )..' '....(item[1])..''..'') end end

if #output == 0 then return end

-- if maxRows is specified and columns is not specified, break into new columns at given intervals if args.maxRows ~= nil and args.columns == nil then extrastyle = extrastyle..'column-count:'..math.ceil(#output/args.maxRows)..';' end

-- if the list is long and has no explicit style, break it into columns automatically if #output > 5 and extrastyle == '' and not commas then extrastyle = 'column-width:15em;' end if commas then output[1] = output[1]:sub(3, #output[1]) return ''..table.concat(output, '')..' ' else return '<'..listtype..(extrastyle ~=  and ' style="'..extrastyle..'"' or )..'>'..table.concat(output, '')..'' end end

return p