Module:Portal image banner
 | This module is rated as ready for general use. It has reached a mature state, is considered relatively stable and bug-free, and may be used wherever appropriate. It can be mentioned on help pages and other Wikipedia resources as an option for new users. To minimise server load and avoid disruptive output, improvements should be developed through sandbox testing rather than repeated trial-and-error editing. |
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 | This module depends on the following other modules: |
This module implements {{Portal image banner}}; see documentation there for usage instructions. This module will not work when used directly (as {{#invoke:Portal image banner|main}}). Rather it is advisable that the main template Portal image banner is used.
See also
[edit]
local p = {}
local randomModule = require('Module:Random')
p.main = function(frame)
local parent = frame.getParent(frame)
local parentArgs = parent.args
local args = cleanupArgs(parentArgs)
local output = p._main(args)
return frame:preprocess(output)
end
function cleanupArgs(argsTable)
local cleanArgs = {}
for key, val in pairs(argsTable) do
if type(val) == 'string' then
val = val:match('^%s*(.-)%s*$')
if val ~= '' then
cleanArgs[key] = val
end
else
cleanArgs[key] = val
end
end
return cleanArgs
end
p._main = function(args)
if not args[1] then
return error('No page specified', 0)
end
local lines=makeGalleryLinesTable(args)
return makeOutput(lines, args.overflow, args.maxheight, args.mode, args.croptop)
end
function makeGalleryLine(file, caption, link)
local title = mw.title.new(file, "File" )
local linktext = ( link and '{{!}}link=' .. link or '' )
local maxImageWidth = '{{!}}800px'
return '[[' .. title.prefixedText ..(caption and'{{!}}'..caption or '').. maxImageWidth .. linktext ..']]' .. (caption and '\n<div style="text-align:center;">' .. caption ..'</div>' or '\n')
end
function makeGalleryLineSlideshow(file, caption)
local title = mw.title.new(file, "File" )
local captiontext= '[[File:OOjs_UI_icon_info-progressive.svg|link=:'..title.prefixedText..']] <span style="font-size:110%;">'..(caption or '')..'</span>'
return title.prefixedText .. '{{!}}' .. captiontext
end
function makeGalleryLinesTable(args)
local galleryLinesTable = {}
local i = 1
while args[i] do
if not args.mode then
table.insert(galleryLinesTable, makeGalleryLine(args[i], args[i+1],args.link))
elseif args.mode == 'slideshow' then
table.insert(galleryLinesTable, makeGalleryLineSlideshow(args[i], args[i+1], args.link))
else
error('Mode not supported')
end
i = i + 2
end
return galleryLinesTable
end
function makeOutput(imageLines, overflow, maxHeight, mode, croptop)
local randomiseArgs = { ['t'] = imageLines }
local randomisedLines = randomModule.main('array', randomiseArgs )
local output, galleryContent
if not mode then
galleryContent = table.concat(randomisedLines, '\n',1,1)
seperate=mw.text.split(galleryContent,'\n')
output = '<div class="portal-banner-image" style="max-height:' .. (maxHeight or 'initial') .. '; overflow:'..(overflow or 'auto')..
';"><div class="portal-banner-image-crop" style="position:relative; margin-top:-'..(croptop or '0')..'%;">'..seperate[1]..'</div></div>'..seperate[2]
elseif mode == 'slideshow' then
galleryContent = table.concat(randomisedLines, '\n')
output='<div class="portal-banner-image-slideshow nomobile" style="max-height:' .. (maxHeight or 'initial') .. '; overflow:'..(overflow or 'auto')..
';"><div class="portal-banner-image-crop" style="position:relative; margin-top:-'..(croptop or '0')..'%;">'..'{{#tag:gallery|'..galleryContent..'|mode=slideshow}}'..'</div></div>'
else
error('Mode not supported')
end
return output
end
return p