查看“模块:Navplate SMW row”的源代码

-- 自定义的trim函数，增加对换行符的处理
local function trim(s)
    return (s:gsub("^%s*(.-)%s*$", "%1"):gsub("[\n\r]+", ""))
end

local p = {}
local mw = require('mw')

p.cache = {} -- 初始化缓存

function p.navplateSmwRow(frame)
    local args = frame:getParent().args
    local categoryName = args[1]
    local property = args[2]
    local text = args[3]
    local icon = args[4]

    local cacheKey = categoryName .. (property or '') .. (text or '')
    if p.cache[cacheKey] then
        return p.cache[cacheKey]
    end

    local query = '[[Category:' .. mw.text.encode(categoryName) .. ']]'
    if property and property ~= '' then
        query = query .. '[[' .. mw.text.encode(property) .. ']]'
    end

    local ask = '{{#ask:' .. query ..
            '|format=list' ..
            '|link=all' ..
            '|headers=hide' ..
            '|searchlabel=' ..
            '|class=smwlist' ..
            '|sep=' ..
            '}}'

    local results = frame:preprocess(ask)

    p.cache[cacheKey] = results

    local itemDiv = mw.html.create('div'):addClass('template-navplate-item')
    local metadataAndTextDiv = mw.html.create('div'):addClass('template-navplate-item__label')
    local metadata = mw.html.create('span'):addClass('metadata'):wikitext('[[File:' .. mw.text.encode(icon) .. '|20px|link=]]&nbsp;&nbsp;&nbsp;' .. mw.text.encode(text) .. '')

    metadataAndTextDiv:node(metadata)

    local listDiv = mw.html.create('div'):addClass('template-navplate-item__list'):wikitext(results)

    itemDiv
            :node(metadataAndTextDiv)
            :node(listDiv)

    local finalHtml = tostring(itemDiv:allDone())

    finalHtml = trim(finalHtml)

    return finalHtml
end

return p