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function trim(s)
return (mw.ustring.gsub(s, "^%s*(.-)%s*$", "%1"))
end
local function _gallery(args)
local tbl = HtmlBuilder.create('table')
if args.state then
tbl.css('width', '100%')
tbl.addClass('collapsible')
tbl.addClass(args.state)
end
if args.style then
tbl.cssText(args.style)
else
tbl
.css('background', 'transparent')
.css('border', '1px solid #f0f0f0')
.css('margin-top', '0.5em')
end
if args.align then
tbl.attr('align', args.align)
end
if args.title then
tbl
.tag('tr')
.tag('th')
.attr('colspan', 10)
.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
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(mw.ustring.format('[[%s|center|border|%dx%dpx|alt=%s|%s]]', img, imgWidth, imgHeight, alt, caption))
.done()
.done()
.tag('tr')
.css('vertical-align', 'top')
.tag('td')
.css('display', 'block')
.css('font-size', '1em')
.css('height', (0.2 + 1.5*lines) .. 'em')
.css('padding', '0px')
.tag('div')
.addClass('gallerytext')
.css('height', (0.1 + 1.5*lines) .. 'em')
.css('width', textWidth .. 'px')
.css('line-height', '1.3em')
.css('padding', '2px 6px 1px 6px')
.css('overflow-y', 'auto')
.css('margin', '0px')
.css('border', 'none')
.css('border-width', '0px')
.wikitext(caption .. ' ')
end
end
if args.footer then
tbl
.tag('tr')
.tag('td')
.attr('colspan', 10)
.css('text-align', 'right')
.css('font-size', '80%')
.css('line-height', '1em')
.wikitext(args.footer)
end
return tostring(tbl)
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 frame == mw.getCurrentFrame() then
origArgs = frame:getParent().args
else
origArgs = frame
end
-- ParserFunctions considers the empty string to be false, so to preserve the previous
local args = {}
for k, v in pairs(origArgs) do
if v ~= '' then
args[k] = v
end
end
return _gallery(args)
end
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