WikiSysop: 1 revision imported

2016-07-30T14:29:53Z

1 revision imported

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-- This module implements {{gallery}}

local p = {}

local function trim(s)
return (mw.ustring.gsub(s, "^%s*(.-)%s*$", "%1"))
end

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
:css('width', '100%')
:addClass('collapsible')
:addClass(args.state)
end

if args.style then
tbl:cssText(args.style)
else
tbl
:css('background', 'transparent')
:css('margin-top', '0.5em')
end

if args.align then
if args.align == 'center' then
tbl
:css('margin-left', 'auto')
:css('margin-right', 'auto')
else
tbl:css('float', args.align)
end
end

if args.title then
tbl
:tag('tr')
:tag('th')
:css('text-align', 'center')
:css('font-weight', 'bold')
:wikitext(args.title)
end

local mainCell = tbl:tag('tr'):tag('td')

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 = trim(args[i*2 - 1] or '')
local caption = 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')
:css('float', 'left')
:css('border-collapse', 'collapse')
:css('margin', '3px')
:tag('tr')
:tag('td')
:css('height', (imgHeight + 20) .. 'px')
:css('border', '1px solid #CCCCCC')
:css('background-color', '#F8F8F8')
:css('padding', '0px')
:css('text-align', 'center')
:wikitext(string.format('[[%s|center|border|%dx%dpx|alt=%s|%s]]', img, imgWidth, imgHeight, alt, mw.text.unstrip(caption)))
:done()
:done()
:tag('tr')
:css('vertical-align', 'top')
:tag('td')
:css('display', 'block')
:css('font-size', '1em')
:css('padding', '0px')
:tag('div')
:addClass('gallerytext')
:css('min-height', (0.1 + 1.5*lines) .. 'em')
:css('width', textWidth .. 'px')
:css('line-height', '1.3em')
:css('padding', '2px 6px 1px 6px')
:css('margin', '0px')
:css('border', 'none')
:css('border-width', '0px')
:cssText(captionstyle)
:wikitext(caption .. ' ')
end
end

if args.footer then
tbl
:tag('tr')
:tag('td')
:css('text-align', 'right')
:css('font-size', '80%')
:css('line-height', '1em')
:wikitext(args.footer)
end
if args.perrow then
tbl:css('width', 8 + (cellWidth + 20 + 6)*tonumber(args.perrow) .. 'px')
end

return tostring(tbl)
end

return p

Module:Gallery - Revision history

WikiSysop: 1 revision imported