Difference between revisions of "Module:List"

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meta>Mr. Stradivarius
(change the "type" parameter to the slightly less generic "marker")
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-- This module outputs different kinds of lists. At the moment, bulleted, unbulleted,
-- This module outputs different kinds of lists. At the moment, bulleted,
-- horizontal, ordered, and horizontal ordered lists are supported.
-- 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 p = {}


local htmlBuilder = require('Module:HtmlBuilder')
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 = {}
data.templatestyles = ''
if listType == 'horizontal' or listType == 'horizontal_ordered' then
table.insert(data.classes, 'hlist')
data.templatestyles = mw.getCurrentFrame():extensionTag{
name = 'templatestyles', args = { src = 'Flatlist/styles.css' }
}
elseif listType == 'unbulleted' then
table.insert(data.classes, 'plainlist')
data.templatestyles = mw.getCurrentFrame():extensionTag{
name = 'templatestyles', args = { src = 'Plainlist/styles.css' }
}
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']


local function getListItem(data, style, itemStyle)
-- Detect invalid type attributes and attempt to convert them to
if not data then
-- list-style-type CSS properties.
return nil
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
end
local item = htmlBuilder.create('li')
item
.cssText(style)
.cssText(itemStyle)
.wikitext(data)
return tostring(item)
end


local function getArgNums(args)
-- Start number for ordered lists
-- Returns an array containing the keys of all positional arguments
data.start = args.start
-- that contain data (i.e. non-whitespace values).
if listType == 'horizontal_ordered' then
local nums = {}
-- Apply fix to get start numbers working with horizontal ordered lists.
for k, v in pairs(args) do
local startNum = tonumber(data.start)
if type(k) == 'number' and
if startNum then
k >= 1 and
data.counterReset = 'listitem ' .. tostring(startNum - 1)
math.floor(k) == k and
mw.ustring.match(v, '%S') then
table.insert(nums, k)
end
end
end
end
table.sort(nums)
 
return nums
-- 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
end


function p.makeList(listType, args)
function p.renderList(data)
-- This is the main function to be called from other Lua modules.
-- Renders the list HTML.
-- First, get the list items.
local listItems = {}
-- Return the blank string if there are no list items.
local argNums = getArgNums(args)
if type(data.items) ~= 'table' or #data.items < 1 then
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 ''
return ''
end
end
-- Build the list html.
local root = htmlBuilder.create('div')
-- Render the main div tag.
if listType == 'horizontal' or listType == 'horizontal_ordered' then
local root = mw.html.create((
root.addClass('hlist')
#data.classes > 0
elseif listType == 'unbulleted' then
or data.marginLeft
root.addClass('plainlist')
or data.style
) and 'div' or nil)
 
for i, class in ipairs(data.classes or {}) do
root:addClass(class)
end
end
root.addClass(args.class)
root:css{['margin-left'] = data.marginLeft}
if listType == 'horizontal' or listType == 'horizontal_ordered' then
if data.style then
local indent = tonumber(args.indent)
root:cssText(data.style)
indent = tostring((indent and indent * 1.6) or 0)
root.css('margin-left', indent .. 'em')
end
end
root.cssText(args.style)
 
local list = root.tag((listType == 'ordered' or listType == 'horizontal_ordered') and 'ol' or 'ul')
-- Render the list tag.
local list = root:tag(data.listTag or 'ul')
list
list
.attr('start', args.start)
:attr{start = data.start, type = data.type}
.attr('type', args.marker)
:css{
.css('list-style-type', args.list_style_type or args['list-style-type'])
['counter-reset'] = data.counterReset,
.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.
['list-style-type'] = data.listStyleType
.wikitext(table.concat(listItems))
}
return tostring(root)
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 data.templatestyles .. tostring(root)
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)
return p.renderList(data)
end
end


local function makeWrapper(listType)
for listType in pairs(listTypes) do
return function(frame)
p[listType] = function (frame)
local origArgs
local mArguments = require('Module:Arguments')
if frame == mw.getCurrentFrame() then
local origArgs = mArguments.getArgs(frame)
origArgs = frame:getParent().args
-- Copy all the arguments to a new table, for faster indexing.
for k, v in pairs(frame.args) do
origArgs = frame.args
break
end
else
origArgs = frame
end
local args = {}
local args = {}
for k, v in pairs(origArgs) do
for k, v in pairs(origArgs) do
if type(k) == 'number' or v ~= '' then
args[k] = v
args[k] = v
end
end
end
return p.makeList(listType, args)
return p.makeList(listType, args)
end
end
end
local funcNames = {'bulleted', 'unbulleted', 'horizontal', 'ordered', 'horizontal_ordered'}
for _, funcName in ipairs(funcNames) do
p[funcName] = makeWrapper(funcName)
end
end


return p
return p

Latest revision as of 05:36, 19 July 2021

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 = {}
	data.templatestyles = ''
	if listType == 'horizontal' or listType == 'horizontal_ordered' then
		table.insert(data.classes, 'hlist')
		data.templatestyles = mw.getCurrentFrame():extensionTag{
			name = 'templatestyles', args = { src = 'Flatlist/styles.css' }
		}
	elseif listType == 'unbulleted' then
		table.insert(data.classes, 'plainlist')
		data.templatestyles = mw.getCurrentFrame():extensionTag{
			name = 'templatestyles', args = { src = 'Plainlist/styles.css' }
		}
	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((
			#data.classes > 0
			or data.marginLeft
			or data.style
		) and 'div' or nil)

	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 data.templatestyles .. tostring(root)
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)
	return p.renderList(data)
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