查看“模块:Carousel”的源代码

local p = {}

function p.render(frame)
	
	local params = {}
	if frame:getParent() ~= nil
	then
		frame = frame:getParent()
	end
	
	local liParams = parseLiParams(frame)
	if #liParams == 0 then
		return ''
	end
	
	params.id = genId()
	
	if frame.args['interval'] then
		params.interval = frame.args['interval']
	else
		params.interval = '5000'
	end
	
	if frame.args['width'] then
		params.width = frame.args['width']
	else
		params.width = ''
	end
	
	params.li = {}
	local index = 1
	while index < #liParams do
		local liIndex = math.ceil(index/2)
		params.li[liIndex] = {}
		params.li[liIndex].image=liParams[index]
		params.li[liIndex].caption=liParams[index+1]
		index = index + 2
	end
	params.li[1].active = 'active'
	
	return mw.ext.mustache.render('Carousel', params, mw.ext.mustache.PARSE_ARGS)
end

function parseLiParams(frame)
	local index = 1
	local parsedParams = {}
	while frame.args[index] ~= nil do
		local continue = false
		repeat
			if frame.args[index] == '' then
				if index % 2 == 0 then
					parsedParams[#parsedParams] = nil
				else
					index = index + 1
				end
				index = index + 1
				continue = true
				break;
			end
			parsedParams[#parsedParams + 1] = frame.args[index]
			index = index + 1
			continue = true
		until true
		if not continue then
			break
		end
	end
	return parsedParams
end

function genId()
	return 'carousel-' .. os.clock() * 1e9
end

return p