Difference between revisions of "Module:Languages"

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m (Bold English if current language is English)
m
 
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Line 37: Line 37:
 
     local bdi = HtmlBuilder.create("bdi")
 
     local bdi = HtmlBuilder.create("bdi")
 
         :attr("lang", langCode)
 
         :attr("lang", langCode)
         :wikitext("[[:", title, "|", parsedLang, "]]")
+
         :wikitext("[[", title, "|", parsedLang, "]]")
  
 
     -- Use preprocessing with #ifexist to check if page exists
 
     -- Use preprocessing with #ifexist to check if page exists
Line 63: Line 63:
 
     end
 
     end
  
     local languagesText = "[[:" .. title .. "|English]]" -- Start with English first
+
     local languagesText = "[[" .. title .. "|English]]" -- Start with English first
  
     -- Bold English if current language is English
+
     -- Bold English text if current language is English
 
     if currentLangCode == "en" then
 
     if currentLangCode == "en" then
 
         languagesText = "'''" .. languagesText .. "'''"
 
         languagesText = "'''" .. languagesText .. "'''"
Line 84: Line 84:
 
             local languageText = createLanguageText(frame, title, langCode)
 
             local languageText = createLanguageText(frame, title, langCode)
 
             if languageText ~= "" then -- Check if subpage exists
 
             if languageText ~= "" then -- Check if subpage exists
 +
                -- Bold language text if language is current language
 +
                if langCode == currentLangCode then
 +
                    languageText = "'''" .. languageText .. "'''"
 +
                end
 
                 languagesText = languagesText .. languageText
 
                 languagesText = languagesText .. languageText
 
                 translated = true
 
                 translated = true

Latest revision as of 06:16, 24 September 2021

Documentation for this module may be created at Module:Languages/doc

local p = {}

local HtmlBuilder = require("Module:HtmlBuilder")
local makeInvokeFunc = require("Module:Arguments").makeInvokeFunc
local headers = mw.loadData('Module:Languages/headers')

-- Get the language code of a page.
--
-- @param titleObj Title object of the page, defaults to current page
function p.getLanguageCode(titleObj)
    titleObj = titleObj or mw.title.getCurrentTitle() -- Set default if necessary

    local title = titleObj.text -- e.g. Dirt/fr or Mods/Quartz
    local langCode = titleObj.subpageText -- e.g. fr or Quartz

    -- titleObj.subpageText returns titleObj.text if not a subpage.
    -- If titleObj.subpageText is a subpage, check if it is a language code.
    if langCode == title or not headers[langCode] then
        return "en" -- Default to English
    end

    return langCode
end

-- Create the linked text for a translation subpage if it exists.
--
-- @param frame Current frame, used for preprocessing
-- @param title Page title
-- @param langCode Language code
local function createLanguageText(frame, title, langCode)
    title = title .. "/" .. langCode

    -- Get language name in native language (a.k.a. autonym)
    local parsedLang = mw.language.fetchLanguageName(langCode)

    -- Use <bdi> to support both LTR languages and RTL languages
    local bdi = HtmlBuilder.create("bdi")
        :attr("lang", langCode)
        :wikitext("[[", title, "|", parsedLang, "]]")

    -- Use preprocessing with #ifexist to check if page exists
    return frame:preprocess("{{#ifexist:" .. title .. "|&nbsp;• " .. tostring(bdi) .. "}}")
end

function p._languages(frame, args)
    local currentTitleObj = mw.title.getCurrentTitle()
    local currentLangCode = p.getLanguageCode(currentTitleObj)
    local currentHeader = headers[currentLangCode]

    local title = args[1] -- Use input page name if given
    if not title then -- Otherwise, use current page
        local namespace = currentTitleObj.nsText
        local basename = currentTitleObj.baseText
        title = namespace .. ":" .. basename -- e.g. Template:Block Data

        -- Check if current page is English subpage (e.g. Mods/Quartz)
        if currentLangCode == "en" then
            local subname = currentTitleObj.subpageText
            if subname ~= basename then
                title = title .. "/" .. subname
            end
        end
    end

    local languagesText = "[[" .. title .. "|English]]" -- Start with English first

    -- Bold English text if current language is English
    if currentLangCode == "en" then
        languagesText = "'''" .. languagesText .. "'''"
    end

    local translated = false -- Flag for checking if any translation exists

    -- Create an alphabetically sorted table of language codes
    local langCodes = {}
    for langCode in pairs(headers) do
        table.insert(langCodes, langCode)
    end
    table.sort(langCodes)

    -- Iterate through language codes in order
    for _, langCode in ipairs(langCodes) do
        if langCode ~= "en" then -- Skip English because already added
            local languageText = createLanguageText(frame, title, langCode)
            if languageText ~= "" then -- Check if subpage exists
                -- Bold language text if language is current language
                if langCode == currentLangCode then
                    languageText = "'''" .. languageText .. "'''"
                end
                languagesText = languagesText .. languageText
                translated = true
            end
        end
    end

    local nmbox = frame:expandTemplate{
        title = "nmbox",
        args = {
            image = "[[File:Geographylogo.png|25px|Languages|link=]]",
            header = currentHeader,
            text = languagesText
        }
    }

    if not args.nocat then
        local categories = "[[Category:Languages pages]]"
        if not translated then
            categories = categories .. "[[Category:Languages pages without translations]]"
        end
        return nmbox .. categories
    end

    return nmbox
end

p.languages = makeInvokeFunc(p._languages, {passFrameParam = true, inherited = true})

return p