Module:Collapsible list

-- This module implements Template:Collapsible list.

local p = {}

local function gettitlestyletracking( ts ) if not ts then return end ts = mw.ustring.gsub(mw.ustring.lower(ts), '%s', ) local tsvals = mw.text.split(ts, ';') table.sort(tsvals) local skey = table.concat(tsvals,';') skey = mw.ustring.gsub(skey, '^;', ) skey = mw.text.encode(mw.text.encode(skey),'%c%[%]=') if (mw.ustring.match(';' .. ts, ';background:') or mw.ustring.match(';' .. ts, ';background%-color:')) and mw.ustring.match(';' .. ts, ';text%-align:') then return end return end

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 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', 'mw-collapsible', not args.expand and 'mw-collapsed' ) local collapsibleContainerStyle = formatAttributes( 'style', 'text-align: center; font-size: 95%;', args.frame_style, args.framestyle ) local collapsibleTitleStyle = formatAttributes( 'style', 'line-height: 1.6em; font-weight: bold; font-size: 100%; text-align: left;', args.title_style, args.titlestyle ) local jumpyTitleStyle = formatAttributes( 'style', centeredTitleSpacing ) local title = args.title or 'List' local ulclass = formatAttributes( 'class', 'mw-collapsible-content', args.hlist and 'hlist' ) local ulstyle = formatAttributes( 'style', 'font-size: 105%; margin-top: 0; margin-bottom: 0; line-height: inherit; text-align: left;', not args.bullets and 'list-style: none none; margin-left: 0;', args.list_style, args.liststyle ) -- Build the list. return mw.ustring.format( '<div%s%s>\n<div%s><div%s>%s\n<ul%s%s>%s\n',

       collapsibleContainerClass, collapsibleContainerStyle,
       collapsibleTitleStyle, jumpyTitleStyle, title, ulclass, ulstyle, listItems
   ) .. gettitlestyletracking(args.title_style or args.titlestyle)

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