Shawndouglas: Created as needed.

2013-10-31T17:09:48Z

Created as needed.

New page

-- This module implements {{collapsible list}}.

local p = {}

local function getListItem( data )
if not type( data ) == 'string' then
return ''
end
return mw.ustring.format( '<li style="line-height: inherit; margin: 0">%s</li>', 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

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 )

-- Get class, style and title data.
local div1class = formatAttributes( 'class', 'NavFrame', not args.expand and 'collapsed' )
local div1style = formatAttributes(
'style',
args.frame_style,
args.framestyle,
not ( args.frame_style or args.framestyle ) and 'border: none; padding: 0;'
)
local div2class = formatAttributes( 'class', 'NavHead' )
local div2style = formatAttributes(
'style',
'font-size: 105%;',
args.title_style,
args.titlestyle,
not ( args.title_style or args.titlestyle ) and 'background: transparent; text-align: left;'
)
local title = args.title or 'List'
local ulclass = formatAttributes( 'class', 'NavContent', args.hlist and 'hlist' )
local ulstyle = formatAttributes(
'style',
not args.bullets and 'list-style: none none; margin-left: 0;',
args.list_style,
args.liststyle,
not ( args.list_style or args.liststyle ) and 'text-align: left;',
'font-size: 105%; margin-top: 0; margin-bottom: 0; line-height: inherit;'
)

-- Build the list.
return mw.ustring.format(
'<div%s%s>\n<div%s%s>%s</div>\n<ul%s%s>%s</ul>\n</div>',
div1class, div1style, div2class, div2style, 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

Module:Collapsible list - Revision history

Shawndouglas: Created as needed.