Module:Sandbox/Matt Fitzpatrick/Shortcut

-- This module implements.

-- Set constants local CONFIG_MODULE = 'Module:Shortcut/config'

-- Load required modules local checkType = require('libraryUtil').checkType local yesno = require('Module:Yesno')

local p = {}

local function message(msg, ...) return mw.message.newRawMessage(msg, ...):plain end

local function makeCategoryLink(cat) return string.format('%s:%s', mw.site.namespaces[14].name, cat) end

function p._main(shortcuts, options, frame, cfg) checkType('_main', 1, shortcuts, 'table') checkType('_main', 2, options, 'table', true) options = options or {} frame = frame or mw.getCurrentFrame cfg = cfg or mw.loadData(CONFIG_MODULE) local isCategorized = yesno(options.category) ~= false

-- Validate shortcuts for i, shortcut in ipairs(shortcuts) do		if type(shortcut) ~= 'string' or #shortcut < 1 then error(message(cfg['invalid-shortcut-error'], i), 2) end end

-- Make the list items. These are the shortcuts plus any extra lines such -- as options.msg. local listItems = {} for i, shortcut in ipairs(shortcuts) do		listItems[i] = string.format('%s', shortcut) end table.insert(listItems, options.msg)

-- Return an error if we have nothing to display if #listItems < 1 then local msg = cfg['no-content-error'] msg = string.format(' %s ', msg) if isCategorized and cfg['no-content-error-category'] then msg = msg .. makeCategoryLink(cfg['no-content-error-category']) end return msg end

local root = mw.html.create

-- Anchors local anchorDiv = root :tag('div') :css('position', 'relative') :css('top', '-3em') for i, shortcut in ipairs(shortcuts) do		local anchor = mw.uri.anchorEncode(shortcut) anchorDiv:tag('span'):attr('id', anchor) end

root:newline -- To match the old Template:Shortcut

-- Shortcut heading local shortcutHeading do local nShortcuts = #shortcuts if nShortcuts > 0 then shortcutHeading = message(cfg['shortcut-heading'], nShortcuts) shortcutHeading = frame:preprocess(shortcutHeading) shortcutHeading = shortcutHeading .. '\n' end end

-- Shortcut box local shortcutList = root :tag('div') :addClass('shortcutbox plainlist noprint') :attr('role', 'note') :css('float', 'right') :css('border', '1px solid #aaa') :css('background', '#fff') :css('margin', '.3em .3em .3em 1em') :css('padding', '.4em .6em') :css('text-align', 'center') :css('font-size', 'smaller') :css('line-height', '2em') :css('font-weight', 'bold') :wikitext(shortcutHeading) :tag('ul') for i, item in ipairs(listItems) do		shortcutList:tag('li'):wikitext(item) end

-- Output an error category if the first shortcut doesn't exist if isCategorized and shortcuts[1] and cfg['first-parameter-error-category'] then local title = mw.title.new(shortcuts[1]) if not title or not title.exists then root:wikitext(makeCategoryLink(cfg['first-parameter-error-category'])) end end

return tostring(root) end

function p.main(frame) local args = require('Module:Arguments').getArgs(frame, {		wrappers = 'Template:Shortcut'	})

-- Separate shortcuts from options local shortcuts, options = {}, {} for k, v in pairs(args) do		if type(k) == 'number' then shortcuts[k] = v		else options[k] = v		end end

-- Compress the shortcut array, which may contain nils. local function compressArray(t) local nums, ret = {}, {} for k in pairs(t) do			nums[#nums + 1] = k		end table.sort(nums) for i, num in ipairs(nums) do			ret[i] = t[num] end return ret end shortcuts = compressArray(shortcuts)

return p._main(shortcuts, options, frame) end

return p