local p = {}
--Template:Gallery
function p.gallery(frame)
local origArgs
-- If called via #invoke, use the args passed into the invoking template.
-- Otherwise, for testing purposes, assume args are being passed directly in.
if type(frame.getParent) == 'function' then
origArgs = frame:getParent().args
else
origArgs = frame
end
-- ParserFunctions considers the empty string to be false, so to preserve the previous
-- behavior of {{gallery}}, change any empty arguments to nil, so Lua will consider
-- them false too.
local args = {}
for k, v in pairs(origArgs) do
if v ~= '' then
args[k] = v
end
end
local tbl = mw.html.create('table')
if args.state then
tbl
:addClass('gallery-mod-sb-collapsible')
:addClass('collapsible')
:addClass(args.state)
end
if args.style then
tbl:cssText(args.style)
else
tbl
:addClass('gallery-mod-sb')
end
if args.align then
if args.align == 'center' then
tbl
:addClass('gallery-mod-sb-center')
else
tbl:css('float', args.align)
end
end
if args.title then
tbl
:tag('tr')
:tag('th')
:addClass('title')
:wikitext(args.title)
end
local mainCell = tbl:tag('tr'):tag('td'):addClass('body')
local imageCount = math.ceil(#args / 2)
local cellWidth = tonumber(args.cellwidth) or tonumber(args.width) or 180
local imgHeight = tonumber(args.height) or 180
local lines = tonumber(args.lines) or 2
local captionstyle = args.captionstyle
for i = 1, imageCount do
local img = mw.text.trim(args[i*2 - 1] or '')
local caption = mw.text.trim(args[i*2] or '')
local imgWidth = tonumber(args['width' .. i]) or tonumber(args.width) or 180
local alt = args['alt' .. i] or ''
local textWidth
if cellWidth < 30 then
textWidth = imgHeight + 27
else
textWidth = cellWidth + 7
end
if img ~= '' then
local imgTbl = mainCell:tag('table')
imgTbl
:css('width', (cellWidth + 20) .. 'px')
:addClass('gallery-mod-sb-box')
:tag('tr')
:tag('td')
:addClass('thumb')
:css('height', (imgHeight + 20) .. 'px')
:wikitext(string.format('[[%s|center|%dx%dpx|alt=%s|%s]]', img, imgWidth, imgHeight, alt, mw.text.unstrip(caption)))
:done()
:done()
:tag('tr')
:addClass('gallery-mod-sb-text')
:tag('td')
:addClass('core')
:tag('div')
:addClass('caption')
:css('min-height', (0.1 + 1.5*lines) .. 'em')
:css('width', textWidth .. 'px')
:cssText(captionstyle)
:wikitext(caption .. ' ')
end
end
if args.footer then
tbl
:tag('tr')
:tag('td')
:addClass('footer')
:wikitext(args.footer)
end
if args.perrow then
tbl:css('width', 8 + (cellWidth + 20 + 6)*tonumber(args.perrow) .. 'px')
end
return frame:extensionTag{ name = 'templatestyles', args = { src = 'Template:Gallery/sandbox/styles.css'} } .. tostring(tbl)
end
return p
