-- This module implements {{gallery}}
local p = {}
local templatestyles = 'Template:Gallery/styles.css'
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
:addClass('gallery-mod-collapsible')
:addClass('collapsible')
:addClass(args.state)
:addClass(args.class)
end
if args.style then
tbl:cssText(args.style)
else
tbl
:addClass('gallery-mod')
end
if args.align then
if args.align == 'center' then
tbl
:addClass('gallery-mod-center')
else
tbl:css('float', args.align)
end
end
-- <gallery>把packed的边框也取消了，所以这里给packed也设置不加边框
if (args.mode or '') == 'nolines' or (args.mode or '') == 'packed' then
tbl:addClass('gallery-mod-nolines')
end
if args.title then
tbl
:tag('tr')
:tag('th')
:addClass('gallery-mod-title')
: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 = args['width' .. i] or args.width or '180'
local alt = args['alt' .. i] or ''
if (args.mode or '') == 'packed' then imgWidth = '' end
local textWidth
if cellWidth < 30 then
textWidth = imgHeight + 27
else
textWidth = cellWidth + 7
end
if img ~= '' then
local imgTbl = mainCell:tag('table')
local img_wikitext = function()
if frame:callParserFunction{ name = 'filepath', args = { img:gsub('^%s-[Ff][Ii][Ll][Ee]:', '') } } ~= '' then
-- 内部图片
return string.format('[[%s|center|%sx%dpx|alt=%s|%s]]', img, imgWidth, imgHeight, alt, mw.text.unstrip(caption))
else
-- 外部图片
return string.format('<img src="%s" alt="%s" style="max-width:%spx; max-height:%dpx" >', img, alt, imgWidth, imgHeight)
end
end
imgTbl
:css('width', (cellWidth + 20) .. 'px')
:addClass('gallery-mod-box')
:tag('tr')
:tag('td')
:addClass('thumb')
:css('height', (imgHeight + 20) .. 'px')
:wikitext(img_wikitext())
:done()
:done()
:tag('tr')
:addClass('gallery-mod-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('gallery-mod-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 = templatestyles} } .. tostring(tbl)
end
return p
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