Difference between revisions of "Module:Collapsible list"
m (Changed protection level of Module:Collapsible list: High-risk Lua module: allow template editors ([Edit=Allow only template editors and admins] (indefinite) [Move=Allow only template editors and admins] (indefinite))) |
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Latest revision as of 17:12, 31 January 2018
 | This module is subject to page protection. It is a highly visible module in use by a very large number of pages, or is substituted very frequently. Because vandalism or mistakes would affect many pages, and even trivial editing might cause substantial load on the servers, it is protected from editing. |
This module implements {{collapsible list}}. Please see the template page for documentation.
-- 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
