Module:Shortcut

-- This module implements.

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

-- Load required modules local checkType = require('libraryUtil').checkType

local p = {}

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)

-- Validate shortcuts for i, shortcut in ipairs(shortcuts) do		if type(shortcut) ~= 'string' or #shortcut < 1 then error(string.format( 'shortcut #%d was invalid (shortcuts must be strings of ' ..				'at least one character in length)' ), 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) local nListItems = #listItems

-- Exit if we have nothing to display if nListItems < 1 then return nil 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 = mw.message.newRawMessage(		cfg['shortcut-heading'],		nListItems	):plain shortcutHeading = frame:preprocess(shortcutHeading)

-- Shortcut box local shortcutList = root :tag('table') :addClass('shortcutbox noprint') :css('float', 'right') :css('border', '1px solid #aaa') :css('background', '#fff') :css('margin', '.3em .3em .3em 1em') :css('padding', '3px') :css('text-align', 'center') :tag('tr') :tag('th') :addClass('plainlist') :css('border', 'none') :css('background', 'transparent') :tag('small') :wikitext(shortcutHeading) :newline :tag('ul') for i, item in ipairs(listItems) do		shortcutList:tag('li'):wikitext(item) end

-- Error category if shortcuts[1] then local title = mw.title.new(shortcuts[1]) if not title or not title.exists then root:wikitext(string.format( '%s:%s', mw.site.namespaces[14].name, 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