Module:Collapsible list
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Documentation for this module may be created at Module:Collapsible list/doc
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 -- 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 -- [https://en.wikipedia.org/w/index.php?title=Module:Collapsible_list/sandbox&oldid=1130172480] -- 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 'List' 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<div%s%s>\n<div%s><div%s>%s</div></div>\n<ul%s%s>%s</ul>\n</div>', 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