Documentation for this module may be created at Module:List/doc

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

local libUtil = require('libraryUtil')
local checkType = libUtil.checkType
local mTableTools = require('Module:TableTools')

local p = {}

local listTypes = {
	['bulleted'] = true,
	['unbulleted'] = true,
	['horizontal'] = true,
	['ordered'] = true,
	['horizontal_ordered'] = true
}

function p.makeListData(listType, args)
	-- Constructs a data table to be passed to p.renderList.
	local data = {}

	-- Classes
	data.classes = {}
	if listType == 'horizontal' or listType == 'horizontal_ordered' then
		table.insert(data.classes, 'hlist')
	elseif listType == 'unbulleted' then
		table.insert(data.classes, 'plainlist')
	end
	table.insert(data.classes, args.class)

	-- Main div style
	data.style = args.style

	-- Indent for horizontal lists
	if listType == 'horizontal' or listType == 'horizontal_ordered' then
		local indent = tonumber(args.indent)
		indent = indent and indent * 1.6 or 0
		if indent > 0 then
			data.marginLeft = indent .. 'em'
		end
	end
	
	-- List style types for ordered lists
	-- This could be "1, 2, 3", "a, b, c", or a number of others. The list style
	-- type is either set by the "type" attribute or the "list-style-type" CSS
	-- property.
	if listType == 'ordered' or listType == 'horizontal_ordered' then 
		data.listStyleType = args.list_style_type or args['list-style-type']
		data.type = args['type']

		-- Detect invalid type attributes and attempt to convert them to
		-- list-style-type CSS properties.
		if data.type 
			and not data.listStyleType
			and not tostring(data.type):find('^%s*[1AaIi]%s*$')
		then
			data.listStyleType = data.type
			data.type = nil
		end
	end
	
	-- List tag type
	if listType == 'ordered' or listType == 'horizontal_ordered' then
		data.listTag = 'ol'
	else
		data.listTag = 'ul'
	end

	-- Start number for ordered lists
	data.start = args.start
	if listType == 'horizontal_ordered' then
		-- Apply fix to get start numbers working with horizontal ordered lists.
		local startNum = tonumber(data.start)
		if startNum then
			data.counterReset = 'listitem ' .. tostring(startNum - 1)
		end
	end

	-- List style
	 -- ul_style and ol_style are included for backwards compatibility. No
	 -- distinction is made for ordered or unordered lists.
	data.listStyle = args.list_style

	-- List items
	-- li_style is included for backwards compatibility. item_style was included
	-- to be easier to understand for non-coders.
	data.itemStyle = args.item_style or args.li_style
	data.items = {}
	for i, num in ipairs(mTableTools.numKeys(args)) do
		local item = {}
		item.content = args[num]
		item.style = args['item' .. tostring(num) .. '_style']
			or args['item_style' .. tostring(num)]
		item.value = args['item' .. tostring(num) .. '_value']
			or args['item_value' .. tostring(num)]
		table.insert(data.items, item)
	end
	
	return data
end

function p.renderList(data)
	-- Renders the list HTML.
	
	-- Return the blank string if there are no list items.
	if type(data.items) ~= 'table' or #data.items < 1 then
		return ''
	end
	
	-- Render the main div tag.
	local root = mw.html.create('div')
	for i, class in ipairs(data.classes or {}) do
		root:addClass(class)
	end
	root:css{['margin-left'] = data.marginLeft}
	if data.style then
		root:cssText(data.style)
	end

	-- Render the list tag.
	local list = root:tag(data.listTag or 'ul')
	list
		:attr{start = data.start, type = data.type}
		:css{
			['counter-reset'] = data.counterReset,
			['list-style-type'] = data.listStyleType
		}
	if data.listStyle then
		list:cssText(data.listStyle)
	end

	-- Render the list items
	for i, t in ipairs(data.items or {}) do
		local item = list:tag('li')
		if data.itemStyle then
			item:cssText(data.itemStyle)
		end
		if t.style then
			item:cssText(t.style)
		end
		item
			:attr{value = t.value}
			:wikitext(t.content)
	end

	return tostring(root)
end

function p.renderTrackingCategories(args)
	local isDeprecated = false -- Tracks deprecated parameters.
	for k, v in pairs(args) do
		k = tostring(k)
		if k:find('^item_style%d+$') or k:find('^item_value%d+$') then
			isDeprecated = true
			break
		end
	end
	local ret = ''
	if isDeprecated then
		ret = ret .. '[[Category:List templates with deprecated parameters]]'
	end
	return ret
end

function p.makeList(listType, args)
	if not listType or not listTypes[listType] then
		error(string.format(
			"bad argument #1 to 'makeList' ('%s' is not a valid list type)",
			tostring(listType)
		), 2)
	end
	checkType('makeList', 2, args, 'table')
	local data = p.makeListData(listType, args)
	local list = p.renderList(data)
	local trackingCategories = p.renderTrackingCategories(args)
	return list .. trackingCategories
end

for listType in pairs(listTypes) do
	p[listType] = function (frame)
		local mArguments = require('Module:Arguments')
		local origArgs = mArguments.getArgs(frame)
		-- Copy all the arguments to a new table, for faster indexing.
		local args = {}
		for k, v in pairs(origArgs) do
			args[k] = v
		end
		return p.makeList(listType, args)
	end
end

return p

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

local libUtil = require('libraryUtil') local checkType = libUtil.checkType local mTableTools = require('Module:TableTools')

local p = {}

local listTypes = { ['bulleted'] = true, ['unbulleted'] = true, ['horizontal'] = true, ['ordered'] = true, ['horizontal_ordered'] = true }

function p.makeListData(listType, args) -- Constructs a data table to be passed to p.renderList. local data = {}

-- Classes data.classes = {} if listType == 'horizontal' or listType == 'horizontal_ordered' then table.insert(data.classes, 'hlist') elseif listType == 'unbulleted' then table.insert(data.classes, 'plainlist') end table.insert(data.classes, args.class)

-- Main div style data.style = args.style

-- Indent for horizontal lists if listType == 'horizontal' or listType == 'horizontal_ordered' then local indent = tonumber(args.indent) indent = indent and indent * 1.6 or 0 if indent > 0 then data.marginLeft = indent .. 'em' end end

-- List style types for ordered lists -- This could be "1, 2, 3", "a, b, c", or a number of others. The list style -- type is either set by the "type" attribute or the "list-style-type" CSS -- property. if listType == 'ordered' or listType == 'horizontal_ordered' then data.listStyleType = args.list_style_type or args['list-style-type'] data.type = args['type']

-- Detect invalid type attributes and attempt to convert them to -- list-style-type CSS properties. if data.type and not data.listStyleType and not tostring(data.type):find('^%s*[1AaIi]%s*$') then data.listStyleType = data.type data.type = nil end end

-- List tag type if listType == 'ordered' or listType == 'horizontal_ordered' then data.listTag = 'ol' else data.listTag = 'ul' end

-- Start number for ordered lists data.start = args.start if listType == 'horizontal_ordered' then -- Apply fix to get start numbers working with horizontal ordered lists. local startNum = tonumber(data.start) if startNum then data.counterReset = 'listitem ' .. tostring(startNum - 1) end end

-- List style -- ul_style and ol_style are included for backwards compatibility. No -- distinction is made for ordered or unordered lists. data.listStyle = args.list_style

-- List items -- li_style is included for backwards compatibility. item_style was included -- to be easier to understand for non-coders. data.itemStyle = args.item_style or args.li_style data.items = {} for i, num in ipairs(mTableTools.numKeys(args)) do local item = {} item.content = args[num] item.style = args['item' .. tostring(num) .. '_style'] or args['item_style' .. tostring(num)] item.value = args['item' .. tostring(num) .. '_value'] or args['item_value' .. tostring(num)] table.insert(data.items, item) end

return data end

function p.renderList(data) -- Renders the list HTML.

-- Return the blank string if there are no list items. if type(data.items) ~= 'table' or #data.items < 1 then return end

-- Render the main div tag. local root = mw.html.create('div') for i, class in ipairs(data.classes or {}) do root:addClass(class) end root:css{['margin-left'] = data.marginLeft} if data.style then root:cssText(data.style) end

-- Render the list tag. local list = root:tag(data.listTag or 'ul') list :attr{start = data.start, type = data.type} :css{ ['counter-reset'] = data.counterReset, ['list-style-type'] = data.listStyleType } if data.listStyle then list:cssText(data.listStyle) end

-- Render the list items for i, t in ipairs(data.items or {}) do local item = list:tag('li') if data.itemStyle then item:cssText(data.itemStyle) end if t.style then item:cssText(t.style) end item :attr{value = t.value} :wikitext(t.content) end

return tostring(root) end

function p.renderTrackingCategories(args) local isDeprecated = false -- Tracks deprecated parameters. for k, v in pairs(args) do k = tostring(k) if k:find('^item_style%d+$') or k:find('^item_value%d+$') then isDeprecated = true break end end local ret = if isDeprecated then ret = ret .. end return ret end

function p.makeList(listType, args) if not listType or not listTypes[listType] then error(string.format( "bad argument #1 to 'makeList' ('%s' is not a valid list type)", tostring(listType) ), 2) end checkType('makeList', 2, args, 'table') local data = p.makeListData(listType, args) local list = p.renderList(data) local trackingCategories = p.renderTrackingCategories(args) return list .. trackingCategories end

for listType in pairs(listTypes) do p[listType] = function (frame) local mArguments = require('Module:Arguments') local origArgs = mArguments.getArgs(frame) -- Copy all the arguments to a new table, for faster indexing. local args = {} for k, v in pairs(origArgs) do args[k] = v end return p.makeList(listType, args) end end

return p