Module:List

-- This module outputs different kinds of lists. At the moment, bulleted, unbulleted, -- horizontal, ordered, and horizontal ordered lists are supported.

local p = {}

local htmlBuilder = require('Module:HtmlBuilder')

local function getListItem(data, style, itemStyle) if not data then return nil end local item = htmlBuilder.create('li') item .cssText(style) .cssText(itemStyle) .wikitext(data) return tostring(item) end

local function getArgNums(args) -- Returns an array containing the keys of all positional arguments -- that contain data (i.e. non-whitespace values). local nums = {} for k, v in pairs(args) do		if type(k) == 'number' and k >= 1 and math.floor(k) == k and mw.ustring.match(v, '%S') then table.insert(nums, k)		end end table.sort(nums) return nums end

function p.makeList(listType, args) -- This is the main function to be called from other Lua modules. -- First, get the list items. local listItems = {} local argNums = getArgNums(args) for i, num in ipairs(argNums) do		local item = getListItem(			args[num],			args.item_style or args.li_style, -- li_style is included for backwards compatibility. item_style was included to be easier to understand for non-coders.			args['item_style' .. tostring(num)] or args['li_style' .. tostring(num)]		) table.insert(listItems, item) end if #listItems == 0 then return '' end -- Build the list html. local root = htmlBuilder.create('div') if listType == 'horizontal' or listType == 'horizontal_ordered' then root.addClass('hlist') elseif listType == 'unbulleted' then root.addClass('plainlist') end root.addClass(args.class) if listType == 'horizontal' or listType == 'horizontal_ordered' then local indent = tonumber(args.indent) indent = tostring((indent and indent * 1.6) or 0) root.css('margin-left', indent .. 'em') end root.cssText(args.style) local list = root.tag((listType == 'ordered' or listType == 'horizontal_ordered') and 'ol' or 'ul') list .attr('start', args.start) .attr('type', args.type) .css('list-style-type', args.list_style_type or args['list-style-type']) .cssText(args.list_style or args.ul_style or args.ol_style) -- ul_style and ol_style are included for backwards compatibility. No distinction is made for ordered or unordered lists. .wikitext(table.concat(listItems)) return tostring(root) end

local function makeWrapper(listType) return function(frame) local origArgs if frame == mw.getCurrentFrame then origArgs = frame:getParent.args for k, v in pairs(frame.args) do				origArgs = frame.args break end else origArgs = frame end local args = {} for k, v in pairs(origArgs) do			if type(k) == 'number' or v ~= '' then args[k] = v			end end return p.makeList(listType, args) end end

local funcNames = {'bulleted', 'unbulleted', 'horizontal', 'ordered', 'horizontal_ordered'}

for _, funcName in ipairs(funcNames) do	p[funcName] = makeWrapper(funcName) end

return p