MediaWiki:Gadget-Numerakri.js

/** * Convert numbers between numeral systems. * * Dependencies: jquery.cookie, mediawiki.util, mediawiki.user * Source: https://www.mediawiki.org/wiki/MediaWiki:Gadget-Numerakri.js * Revision: 2019-01-11 * * @copyright 2012 Daniel Friesen * @copyright 2012 Siddhartha Ghai * @copyright 2014 Bhawani Gautam * @copyright 2012-2018 Timo Tijhof * @license  */ /*jshint browser:true, unused:true, forin:false */ /*global $, mw */ (function {	'use strict';

var msgs = { 'option-default': { en: 'Default', bho: 'डिफ़ॉल्ट', gu: 'ડિફોલ્ટ', hi: 'डिफ़ॉल्ट', ne: 'डिफल्ट', pa: 'ਅਸਲ ਦਿੱਖ', sa: 'उत्सर्गः' },			'option-arabic': { en: '123' },			'option-devanagari': { en: 'Devanagari', bho: '१२३', hi: '१२३', ne: '१२३', sa: '१२३' },			'option-gujarati': { en: 'gujarati', gu: '૧૨૩' },			'option-gurmukhi': { en: 'Gurmukhi', pa: '੧੨੩' },			'label-url': { en: '//www.mediawiki.org/wiki/MediaWiki_talk:Gadget-Numerakri.js', gu: '//gu.wikipedia.org/wiki/વિકિસૂક્તિઃઅંક_પરિવર્તક', hi: '//hi.wikipedia.org/wiki/विकिपीडिया:अंक_परिवर्तक', ne: '//ne.wikipedia.org/wiki/विकिपीडिया:अंक_परिवर्तक', pa: '//pa.wikipedia.org/wiki/ਵਿਕੀਪੀਡੀਆ:ਅੰਕ ਬਦਲੋ', sa: '//sa.wikipedia.org/wiki/विकिपीडिया:अङ्कपरिवर्तकम्' },			'label-text': { en: 'Convert numerals', bho: 'अंक बदलाव', gu: 'અંક પરિવર્તક', hi: 'अंक परिवर्तन', ne: 'अंक परिवर्तन', pa: 'ਅੰਕ ਬਦਲੋ', sa: 'अङ्कपरिवर्तकम्' },			'label-tooltip': { en: 'Convert between Arabic and Devanagari numerals', bho: 'नागरी आ अरबी अंकों में अदला-बदली करीं', gu: 'ગુજરાતી અને અંગ્રેજી અંકોમાં પરિવર્તન કરો', hi: 'नागरी और अरबी अंकों में परिवर्तन करें', ne: 'देवनागरी र अरबी अंकहरूमा परिवर्तन गर्नुहोस्', pa: 'ਅੰਕਾਂ ਨੂ ਗੁਰਮੁਖੀ ਤੇ ਅਰਬੀ ਵਿਚ ਬਦਲੇਂ', sa: 'देवनागरी-अरबी-अङ्कयोः चयनं करोतु' }		},		maps = { arabic: ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'], devanagari: ['०', '१', '२', '३', '४', '५', '६', '७', '८', '९'], gujarati: ['૦', '૧', '૨', '૩', '૪', '૫', '૬', '૭', '૮', '૯'], gurmukhi: ['੦', '੧', '੨', '੩', '੪', '੫', '੬', '੭', '੮', '੯'] },		availableMaps, currentType = 'default', matchers = {}, walker, styleTag;

function isValidType(type) { return type === 'default' || availableMaps.indexOf(type) !== -1; }

/** @return {Object.} */ function getMatchers(targetType) { var rChars; if (!matchers[targetType]) { rChars = { 0: [], 1: [], 2: [], 3: [], 4: [], 5: [], 6: [], 7: [], 8: [], 9: [] }; $.each(maps, function (type, map) {				if (type !== targetType) {					for (var i = 0; i <= 9; i++) {						rChars[i].push(map[i]);					}				}			}); $.each(rChars, function (num, chars) {				rChars[num] = new RegExp('(' + chars.map(mw.RegExp.escape).join('|') + ')', 'g');			}); matchers[targetType] = rChars; }		return matchers[targetType]; }

function msg(key) { return msgs[key][mw.config.get('wgUserLanguage')] || msgs[key].en; }

/**	 * @param {HTMLElement|TextNode} node * @return {number} NodeFilter.FILTER_* constant */	function filterNode(node) { if (node.nodeType === Node.TEXT_NODE) { return NodeFilter.FILTER_ACCEPT; }		var n = node.nodeName && node.nodeName.toLowerCase; if (n === 'input' || n === 'textarea' || $(node).hasClass('mw-numerakri-skip')) { // Skip this element and skip its children return NodeFilter.FILTER_REJECT; }		// Skip this element, but check its children return NodeFilter.FILTER_SKIP; }

/**	 * @param {TextNode} node */	function handleTextNode(node) { var original = node.nodeValue, changed = original, matchers = getMatchers(currentType), i = 0; for (i <= 9; i++) { changed = changed.replace(matchers[i], maps[currentType][i]); }		if (original !== changed) { node.nodeValue = changed; }	}

// https://doc.wikimedia.org/mediawiki-core/master/js/#!/api/mw-method-requestIdleCallback function idleWalker(deadline) { var el; if (!walker) { return; }		while (deadline.timeRemaining > 0) { el = walker.nextNode; if (!el) { // Reached the end walker = null; return; }			handleTextNode(el); }

// The user may interact with the page. We pause so the browser can process // interaction. The text handler will continue after that. if (walker) { mw.requestIdleCallback(idleWalker); }	}

/**	 * Save a browser cookie for 30 days, or remove it. * @param {string|null} value */	function saveType(value) { mw.requestIdleCallback(function {			$.cookie('mw-numerakri-type', value, { expires: 30, path: '/' });		}); }

/**	 * @return {string} */	function getStoredType { var value = $.cookie('mw-numerakri-type'); if (value !== null && !isValidType(value)) { // Remove bad cookie saveType(null); value = null; }

return value || 'default'; }

function startPageConversion { if (styleTag) { // Undo style for a previously selected type $(styleTag).remove; styleTag = null; }

if (currentType === 'default') { // Don't change the page return; }

if (currentType === 'arabic') { styleTag = mw.loader.addStyleTag('.mw-parser-output ol, ol.references, li.references { list-style-type: decimal; }'); } else if (currentType === 'devanagari') { styleTag = mw.loader.addStyleTag('.mw-parser-output ol, ol.references, li.references { list-style-type: devanagari; }'); }

// If a walker is already active, replace it. // If no walker is active yet, start it. if (!walker) { mw.requestIdleCallback(idleWalker); }		walker = document.createTreeWalker(document.body, NodeFilter.SHOW_ALL, filterNode, false); }

/** @return {HTMLElement} */ function createSelector { var $select = $(' ').addClass('mw-numerakri-skip').append(			$(' ').val('default').text(msg('option-default'))		); availableMaps.forEach(function (type) {			$select.append($(' ').val(type).text(msg('option-' + type)));		}); $select.val(currentType); $select.on('change', function {			currentType = this.value;			startPageConversion;			saveType(currentType);		}); return $select[0]; }

function init { var potlet, menu;

// Decide which types to show if (mw.config.get('wgContentLanguage') === 'gu') { availableMaps = ['gujarati', 'arabic']; } else if (mw.config.get('wgContentLanguage') === 'pa') { availableMaps = ['gurmukhi', 'arabic']; } else { // hi, ne, sa			availableMaps = ['devanagari', 'arabic']; }

// Decide selected type currentType = getStoredType; startPageConversion;

potlet = mw.util.addPortletLink(			'p-personal',			msg('label-url'),			msg('label-text'),			'pt-numconvert',			msg('label-tooltip'),			null,			mw.user.isAnon ? '#pt-createaccount' : '#pt-userpage'		); menu = $(' ').addClass('mw-numerakri-menu').append(createSelector)[0]; potlet.appendChild(menu); }

$(function {		mw.requestIdleCallback(init);	}); });