Module:Portal bar explained

-- This module implements .

require('strict')

-- determine whether we're being called from a sandboxlocal isSandbox = mw.getCurrentFrame:getTitle:find('sandbox', 1, true)local sandbox = isSandbox and '/sandbox' or

local portalModule = require('Module:Portal'..sandbox)local getImageName = portalModule._imagelocal checkPortals = portalModule._checkPortalslocal processPortalArgs = portalModule._processPortalArgslocal yesno = require('Module:Yesno')local getArgs = require('Module:Arguments').getArgslocal p =

local function sandboxVersion(s) return isSandbox and s.."-sand" or send

-- Builds the portal bar used by .function p._main(portals, args) -- check for sensible args args = type(args)

"table" and args or -- Normalize arguments for key, default in pairs do if args[key]

nil then args[key] = default end args[key] = yesno(args[key], default) end

local nav = mw.html.create('div') :addClass(sandboxVersion('portal-bar')) :addClass('noprint metadata noviewer') :attr('role', 'navigation') :attr('aria-label', 'Portals') :addClass(sandboxVersion(args.border and 'portal-bar-bordered' or 'portal-bar-unbordered')) local trackingCat = -- Allow any number of portals args.minPortals = 0 args.maxPortals = -1 -- Check to see whether there are redlinks, filter out unless args.redlink is true portals, trackingCat = checkPortals(portals, args) nav:wikitext(trackingCat) if #portals

0 then return trackingCat end

local related = yesno(args.related) if related then nav:addClass(sandboxVersion('portal-bar-related')) else local header = nav:tag('span') header:addClass(sandboxVersion('portal-bar-header')) header:wikitext('Portal') if #portals > 1 then header:wikitext('s') end header:wikitext(':') end local container = nav:tag('ul') container:addClass(sandboxVersion('portal-bar-content')) if related then container:addClass(sandboxVersion('portal-bar-content-related')) end local size = related and '27x25px' or '21x19px' for _, portal in ipairs(portals) do container :tag('li') :addClass(sandboxVersion('portal-bar-item')) :wikitext(string.format('

%s', getImageName(portal,true), size, portal, portal)) end local styleFile = 'Module:Portal bar'..sandbox..'/styles.css' return mw.getCurrentFrame:extensionTag .. tostring(nav) end

-- Processes external arguments and sends them to the other functions.function p.main(frame) local origArgs = getArgs(frame) local portals, args = processPortalArgs(origArgs) return p._main(portals, args)end

return p