Mô đun:Collapsible list/sandbox

local p = {}
local function getListItem( data )
if not type( data ) == 'string' then
return 
end
return mw.ustring.format( '%s', data )
end
-- Returns an array containing the keys of all positional arguments
-- that contain data (i.e. non-whitespace values).
local function getArgNums( args )
local nums = {}
for k, v in pairs( args ) do
if type( k ) == 'number' and
k >= 1 and
math.floor( k ) == k and
type( v ) == 'string' and
mw.ustring.match( v, '%S' ) then
table.insert( nums, k )
end
end
table.sort( nums )
return nums
end
-- Formats a list of classes, styles or other attributes.
local function formatAttributes( attrType, ... )
local attributes = { ... }
local nums = getArgNums( attributes )
local t = {}
for i, num in ipairs( nums ) do
table.insert( t, attributes num  )
end
if #t == 0 then
return  -- Return the blank string so concatenation will work.
end
return mw.ustring.format( ' %s="%s"', attrType, table.concat( t, ' ' ) )
end
-- TODO: use Module:List. Since the update for this comment is routine,
-- this is blocked without a consensus discussion by
-- MediaWiki_talk:Common.css/Archive_15#plainlist_+_hlist_indentation
-- if we decide hlist in plainlist in this template isn't an issue, we can use
-- module:list directly
-- 
-- is an implementation (that will code rot slightly I expect)
local function buildList( args )
-- Get the list items.
local listItems = {}
local argNums = getArgNums( args )
for i, num in ipairs( argNums ) do
table.insert( listItems, getListItem( args num  ) )
end
if #listItems == 0 then
return 
end
listItems = table.concat( listItems )
	-- hack around mw-collapsible show/hide jumpiness by looking for text-alignment
	-- by setting a margin if centered
	local textAlignmentCentered = 'text%-align%s*:%s*center'
	local centeredTitle = (args.title_style and args.title_style:lower():match(textAlignmentCentered)
		or args.titlestyle and args.titlestyle:lower():match(textAlignmentCentered))
	local centeredTitleSpacing
	if centeredTitle then
		centeredTitleSpacing = 'margin: 0 4em'
	else
		centeredTitleSpacing = 
	end
-- Get class, style and title data.
local collapsibleContainerClass = formatAttributes(
	'class',
	'collapsible-list',
	'mw-collapsible',
	not args.expand and 'mw-collapsed'
)
local collapsibleContainerStyle = formatAttributes(
'style',
-- mostly work around .infobox-full-data defaulting to centered
'text-align: left;',
args.frame_style,
args.framestyle
)
local collapsibleTitleStyle = formatAttributes(
'style',
'line-height: 1.6em; font-weight: bold;',
args.title_style,
args.titlestyle
)
local jumpyTitleStyle = formatAttributes(
'style',
centeredTitleSpacing
)
local title = args.title or 'Danh sách'
local ulclass = formatAttributes( 'class', 'mw-collapsible-content', args.hlist and 'hlist' )
local ulstyle = formatAttributes( 
'style',
'margin-top: 0; margin-bottom: 0; line-height: inherit;',
not args.bullets and 'list-style: none; margin-left: 0;',
args.list_style,
args.liststyle
)

local hlist_templatestyles = 
if args.hlist then
	hlist_templatestyles = mw.getCurrentFrame():extensionTag{
		name = 'templatestyles', args = { src = 'Hlist/styles.css' }
	}
end

-- Build the list.
return mw.ustring.format( 
'%s\n%s\n%s\n',
hlist_templatestyles, collapsibleContainerClass, collapsibleContainerStyle,
collapsibleTitleStyle, jumpyTitleStyle, title, ulclass, ulstyle, listItems
)
end
function p.main( 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 buildList( args )
end
return p