编辑“模块:Sprite”

local p = {}

function p.sprite( frame )
    local args = frame:getParent().args

    -- Default settings
    local default = {
        scale = 1.3,
        size = 32,
        align = 'text-top'
    }


    local link = ( args.link or '' )
    if mw.ustring.lower( link ) == 'none' then
        link = ''
    elseif link ~= '' and not link:find( '//' ) then
        link = args.linkprefix or '' .. link
    end

    local scale = args.scale or default.scale
    local height = ( args.height or args.size or default.size ) * scale
    local width = ( args.width or args.size or default.size ) * scale
    local size = width .. 'x' .. height .. 'px'

    local styles = {}
    if height ~= default.size then
        styles[#styles + 1] = 'height:' .. height .. 'px'
    end
    if width ~= default.size then
        styles[#styles + 1] = 'width:' .. width .. 'px'
    end

    local name = args.name
    local file = name  .. '.png'
    local altText = file
    if link ~= '' then
        altText = altText .. ', link to ' .. link
    end

    local sprite = mw.html.create( 'span' ):addClass( 'sprite-file' )
    local img = '[[File:' .. file .. '|' .. size .. '|link=' .. link .. '|alt=' .. altText .. '|class=pixel-image|' .. ( args.title or '' ) .. ']]'
    sprite:node( img )

    local align = args.align or default.align
    if align ~= default.align then
        styles[#styles + 1] = '--vertical-align:' .. align
    end
    styles[#styles + 1] = args.css

    sprite:cssText( table.concat( styles, ';' ) )

    local root
    local spriteText
    if args.text then
        if not args['wrap'] then
            root = mw.html.create( 'span' ):addClass( 'nowrap' )
        end
        spriteText = mw.html.create( 'span' ):addClass( 'sprite-text' ):wikitext( args.text )
        if args.title then
            spriteText:attr( 'title', args.title )
        end
        if link ~= '' then
            -- External link
            if link:find( '//' ) then
                spriteText = '[' .. link .. ' ' .. tostring( spriteText ) .. ']'
            else
                spriteText = '[[' .. link .. '|' .. tostring( spriteText ) .. ']]'
            end
        end
    end

    if not root then
        root = mw.html.create( '' )
    end
    root:node( sprite )
    if spriteText then
        root:node( spriteText )
    end

    return tostring( root )
end

return p