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2021-07-11T12:24:25Z

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-- This module implements {{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 '[[Category:Pages using collapsible list with both background and text-align in titlestyle|' .. skey .. ' ]]'
end
return '[[Category:Pages using collapsible list without both background and text-align in titlestyle|' .. skey .. ' ]]'
end

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 )

-- 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</div></div>\n<ul%s%s>%s</ul>\n</div>',
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

Module:Collapsible list - Revision history

FilipeFonseca: 1 revision imported