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Diffstat (limited to 'resources/mediawiki/mediawiki.js')
| -rw-r--r-- | resources/mediawiki/mediawiki.js | 1938 |
1 files changed, 0 insertions, 1938 deletions
diff --git a/resources/mediawiki/mediawiki.js b/resources/mediawiki/mediawiki.js deleted file mode 100644 index 5a4ff1b5..00000000 --- a/resources/mediawiki/mediawiki.js +++ /dev/null @@ -1,1938 +0,0 @@ -/** - * Base library for MediaWiki. - * - * @class mw - * @alternateClassName mediaWiki - * @singleton - */ - -var mw = ( function ( $, undefined ) { - 'use strict'; - - /* Private Members */ - - var hasOwn = Object.prototype.hasOwnProperty, - slice = Array.prototype.slice; - - /** - * Log a message to window.console, if possible. Useful to force logging of some - * errors that are otherwise hard to detect (I.e., this logs also in production mode). - * Gets console references in each invocation, so that delayed debugging tools work - * fine. No need for optimization here, which would only result in losing logs. - * - * @private - * @method log_ - * @param {string} msg text for the log entry. - * @param {Error} [e] - */ - function log( msg, e ) { - var console = window.console; - if ( console && console.log ) { - console.log( msg ); - // If we have an exception object, log it through .error() to trigger - // proper stacktraces in browsers that support it. There are no (known) - // browsers that don't support .error(), that do support .log() and - // have useful exception handling through .log(). - if ( e && console.error ) { - console.error( String( e ), e ); - } - } - } - - /* Object constructors */ - - /** - * Creates an object that can be read from or written to from prototype functions - * that allow both single and multiple variables at once. - * - * @example - * - * var addies, wanted, results; - * - * // Create your address book - * addies = new mw.Map(); - * - * // This data could be coming from an external source (eg. API/AJAX) - * addies.set( { - * 'John Doe' : '10 Wall Street, New York, USA', - * 'Jane Jackson' : '21 Oxford St, London, UK', - * 'Dominique van Halen' : 'Kalverstraat 7, Amsterdam, NL' - * } ); - * - * wanted = ['Dominique van Halen', 'George Johnson', 'Jane Jackson']; - * - * // You can detect missing keys first - * if ( !addies.exists( wanted ) ) { - * // One or more are missing (in this case: "George Johnson") - * mw.log( 'One or more names were not found in your address book' ); - * } - * - * // Or just let it give you what it can - * results = addies.get( wanted, 'Middle of Nowhere, Alaska, US' ); - * mw.log( results['Jane Jackson'] ); // "21 Oxford St, London, UK" - * mw.log( results['George Johnson'] ); // "Middle of Nowhere, Alaska, US" - * - * @class mw.Map - * - * @constructor - * @param {boolean} [global=false] Whether to store the values in the global window - * object or a exclusively in the object property 'values'. - */ - function Map( global ) { - this.values = global === true ? window : {}; - return this; - } - - Map.prototype = { - /** - * Get the value of one or multiple a keys. - * - * If called with no arguments, all values will be returned. - * - * @param {string|Array} selection String key or array of keys to get values for. - * @param {Mixed} [fallback] Value to use in case key(s) do not exist. - * @return mixed If selection was a string returns the value or null, - * If selection was an array, returns an object of key/values (value is null if not found), - * If selection was not passed or invalid, will return the 'values' object member (be careful as - * objects are always passed by reference in JavaScript!). - * @return {string|Object|null} Values as a string or object, null if invalid/inexistant. - */ - get: function ( selection, fallback ) { - var results, i; - // If we only do this in the `return` block, it'll fail for the - // call to get() from the mutli-selection block. - fallback = arguments.length > 1 ? fallback : null; - - if ( $.isArray( selection ) ) { - selection = slice.call( selection ); - results = {}; - for ( i = 0; i < selection.length; i++ ) { - results[selection[i]] = this.get( selection[i], fallback ); - } - return results; - } - - if ( typeof selection === 'string' ) { - if ( !hasOwn.call( this.values, selection ) ) { - return fallback; - } - return this.values[selection]; - } - - if ( selection === undefined ) { - return this.values; - } - - // invalid selection key - return null; - }, - - /** - * Sets one or multiple key/value pairs. - * - * @param {string|Object} selection String key to set value for, or object mapping keys to values. - * @param {Mixed} [value] Value to set (optional, only in use when key is a string) - * @return {Boolean} This returns true on success, false on failure. - */ - set: function ( selection, value ) { - var s; - - if ( $.isPlainObject( selection ) ) { - for ( s in selection ) { - this.values[s] = selection[s]; - } - return true; - } - if ( typeof selection === 'string' && arguments.length > 1 ) { - this.values[selection] = value; - return true; - } - return false; - }, - - /** - * Checks if one or multiple keys exist. - * - * @param {Mixed} selection String key or array of keys to check - * @return {boolean} Existence of key(s) - */ - exists: function ( selection ) { - var s; - - if ( $.isArray( selection ) ) { - for ( s = 0; s < selection.length; s++ ) { - if ( typeof selection[s] !== 'string' || !hasOwn.call( this.values, selection[s] ) ) { - return false; - } - } - return true; - } - return typeof selection === 'string' && hasOwn.call( this.values, selection ); - } - }; - - /** - * Object constructor for messages. - * - * Similar to the Message class in MediaWiki PHP. - * - * Format defaults to 'text'. - * - * @class mw.Message - * - * @constructor - * @param {mw.Map} map Message storage - * @param {string} key - * @param {Array} [parameters] - */ - function Message( map, key, parameters ) { - this.format = 'text'; - this.map = map; - this.key = key; - this.parameters = parameters === undefined ? [] : slice.call( parameters ); - return this; - } - - Message.prototype = { - /** - * Simple message parser, does $N replacement and nothing else. - * - * This may be overridden to provide a more complex message parser. - * - * The primary override is in mediawiki.jqueryMsg. - * - * This function will not be called for nonexistent messages. - */ - parser: function () { - var parameters = this.parameters; - return this.map.get( this.key ).replace( /\$(\d+)/g, function ( str, match ) { - var index = parseInt( match, 10 ) - 1; - return parameters[index] !== undefined ? parameters[index] : '$' + match; - } ); - }, - - /** - * Appends (does not replace) parameters for replacement to the .parameters property. - * - * @param {Array} parameters - * @chainable - */ - params: function ( parameters ) { - var i; - for ( i = 0; i < parameters.length; i += 1 ) { - this.parameters.push( parameters[i] ); - } - return this; - }, - - /** - * Converts message object to it's string form based on the state of format. - * - * @return {string} Message as a string in the current form or `<key>` if key does not exist. - */ - toString: function () { - var text; - - if ( !this.exists() ) { - // Use <key> as text if key does not exist - if ( this.format === 'escaped' || this.format === 'parse' ) { - // format 'escaped' and 'parse' need to have the brackets and key html escaped - return mw.html.escape( '<' + this.key + '>' ); - } - return '<' + this.key + '>'; - } - - if ( this.format === 'plain' || this.format === 'text' || this.format === 'parse' ) { - text = this.parser(); - } - - if ( this.format === 'escaped' ) { - text = this.parser(); - text = mw.html.escape( text ); - } - - return text; - }, - - /** - * Changes format to 'parse' and converts message to string - * - * If jqueryMsg is loaded, this parses the message text from wikitext - * (where supported) to HTML - * - * Otherwise, it is equivalent to plain. - * - * @return {string} String form of parsed message - */ - parse: function () { - this.format = 'parse'; - return this.toString(); - }, - - /** - * Changes format to 'plain' and converts message to string - * - * This substitutes parameters, but otherwise does not change the - * message text. - * - * @return {string} String form of plain message - */ - plain: function () { - this.format = 'plain'; - return this.toString(); - }, - - /** - * Changes format to 'text' and converts message to string - * - * If jqueryMsg is loaded, {{-transformation is done where supported - * (such as {{plural:}}, {{gender:}}, {{int:}}). - * - * Otherwise, it is equivalent to plain. - */ - text: function () { - this.format = 'text'; - return this.toString(); - }, - - /** - * Changes the format to 'escaped' and converts message to string - * - * This is equivalent to using the 'text' format (see text method), then - * HTML-escaping the output. - * - * @return {string} String form of html escaped message - */ - escaped: function () { - this.format = 'escaped'; - return this.toString(); - }, - - /** - * Checks if message exists - * - * @see mw.Map#exists - * @return {boolean} - */ - exists: function () { - return this.map.exists( this.key ); - } - }; - - /** - * @class mw - */ - return { - /* Public Members */ - - /** - * Dummy placeholder for {@link mw.log} - * @method - */ - log: ( function () { - var log = function () {}; - log.warn = function () {}; - log.deprecate = function ( obj, key, val ) { - obj[key] = val; - }; - return log; - }() ), - - // Make the Map constructor publicly available. - Map: Map, - - // Make the Message constructor publicly available. - Message: Message, - - /** - * Map of configuration values - * - * Check out [the complete list of configuration values](https://www.mediawiki.org/wiki/Manual:Interface/JavaScript#mw.config) - * on MediaWiki.org. - * - * If `$wgLegacyJavaScriptGlobals` is true, this Map will put its values in the - * global window object. - * - * @property {mw.Map} config - */ - // Dummy placeholder. Re-assigned in ResourceLoaderStartupModule with an instance of `mw.Map`. - config: null, - - /** - * Empty object that plugins can be installed in. - * @property - */ - libs: {}, - - /** - * Access container for deprecated functionality that can be moved from - * from their legacy location and attached to this object (e.g. a global - * function that is deprecated and as stop-gap can be exposed through here). - * - * This was reserved for future use but never ended up being used. - * - * @deprecated since 1.22: Let deprecated identifiers keep their original name - * and use mw.log#deprecate to create an access container for tracking. - * @property - */ - legacy: {}, - - /** - * Localization system - * @property {mw.Map} - */ - messages: new Map(), - - /* Public Methods */ - - /** - * Get a message object. - * - * Similar to wfMessage() in MediaWiki PHP. - * - * @param {string} key Key of message to get - * @param {Mixed...} parameters Parameters for the $N replacements in messages. - * @return {mw.Message} - */ - message: function ( key ) { - // Variadic arguments - var parameters = slice.call( arguments, 1 ); - return new Message( mw.messages, key, parameters ); - }, - - /** - * Get a message string using 'text' format. - * - * Similar to wfMsg() in MediaWiki PHP. - * - * @see mw.Message - * @param {string} key Key of message to get - * @param {Mixed...} parameters Parameters for the $N replacements in messages. - * @return {string} - */ - msg: function () { - return mw.message.apply( mw.message, arguments ).toString(); - }, - - /** - * Client-side module loader which integrates with the MediaWiki ResourceLoader - * @class mw.loader - * @singleton - */ - loader: ( function () { - - /* Private Members */ - - /** - * Mapping of registered modules - * - * The jquery module is pre-registered, because it must have already - * been provided for this object to have been built, and in debug mode - * jquery would have been provided through a unique loader request, - * making it impossible to hold back registration of jquery until after - * mediawiki. - * - * For exact details on support for script, style and messages, look at - * mw.loader.implement. - * - * Format: - * { - * 'moduleName': { - * 'version': ############## (unix timestamp), - * 'dependencies': ['required.foo', 'bar.also', ...], (or) function () {} - * 'group': 'somegroup', (or) null, - * 'source': 'local', 'someforeignwiki', (or) null - * 'state': 'registered', 'loaded', 'loading', 'ready', 'error' or 'missing' - * 'script': ..., - * 'style': ..., - * 'messages': { 'key': 'value' }, - * } - * } - * - * @property - * @private - */ - var registry = {}, - // - // Mapping of sources, keyed by source-id, values are objects. - // Format: - // { - // 'sourceId': { - // 'loadScript': 'http://foo.bar/w/load.php' - // } - // } - // - sources = {}, - // List of modules which will be loaded as when ready - batch = [], - // List of modules to be loaded - queue = [], - // List of callback functions waiting for modules to be ready to be called - jobs = [], - // Selector cache for the marker element. Use getMarker() to get/use the marker! - $marker = null, - // Buffer for addEmbeddedCSS. - cssBuffer = '', - // Callbacks for addEmbeddedCSS. - cssCallbacks = $.Callbacks(); - - /* Private methods */ - - function getMarker() { - // Cached ? - if ( $marker ) { - return $marker; - } - - $marker = $( 'meta[name="ResourceLoaderDynamicStyles"]' ); - if ( $marker.length ) { - return $marker; - } - mw.log( 'getMarker> No <meta name="ResourceLoaderDynamicStyles"> found, inserting dynamically.' ); - $marker = $( '<meta>' ).attr( 'name', 'ResourceLoaderDynamicStyles' ).appendTo( 'head' ); - - return $marker; - } - - /** - * Create a new style tag and add it to the DOM. - * - * @private - * @param {string} text CSS text - * @param {HTMLElement|jQuery} [nextnode=document.head] The element where the style tag should be - * inserted before. Otherwise it will be appended to `<head>`. - * @return {HTMLElement} Reference to the created `<style>` element. - */ - function newStyleTag( text, nextnode ) { - var s = document.createElement( 'style' ); - // Insert into document before setting cssText (bug 33305) - if ( nextnode ) { - // Must be inserted with native insertBefore, not $.fn.before. - // When using jQuery to insert it, like $nextnode.before( s ), - // then IE6 will throw "Access is denied" when trying to append - // to .cssText later. Some kind of weird security measure. - // http://stackoverflow.com/q/12586482/319266 - // Works: jsfiddle.net/zJzMy/1 - // Fails: jsfiddle.net/uJTQz - // Works again: http://jsfiddle.net/Azr4w/ (diff: the next 3 lines) - if ( nextnode.jquery ) { - nextnode = nextnode.get( 0 ); - } - nextnode.parentNode.insertBefore( s, nextnode ); - } else { - document.getElementsByTagName( 'head' )[0].appendChild( s ); - } - if ( s.styleSheet ) { - // IE - s.styleSheet.cssText = text; - } else { - // Other browsers. - // (Safari sometimes borks on non-string values, - // play safe by casting to a string, just in case.) - s.appendChild( document.createTextNode( String( text ) ) ); - } - return s; - } - - /** - * Checks whether it is safe to add this css to a stylesheet. - * - * @private - * @param {string} cssText - * @return {boolean} False if a new one must be created. - */ - function canExpandStylesheetWith( cssText ) { - // Makes sure that cssText containing `@import` - // rules will end up in a new stylesheet (as those only work when - // placed at the start of a stylesheet; bug 35562). - return cssText.indexOf( '@import' ) === -1; - } - - /** - * Add a bit of CSS text to the current browser page. - * - * The CSS will be appended to an existing ResourceLoader-created `<style>` tag - * or create a new one based on whether the given `cssText` is safe for extension. - * - * @param {string} [cssText=cssBuffer] If called without cssText, - * the internal buffer will be inserted instead. - * @param {Function} [callback] - */ - function addEmbeddedCSS( cssText, callback ) { - var $style, styleEl; - - if ( callback ) { - cssCallbacks.add( callback ); - } - - // Yield once before inserting the <style> tag. There are likely - // more calls coming up which we can combine this way. - // Appending a stylesheet and waiting for the browser to repaint - // is fairly expensive, this reduces it (bug 45810) - if ( cssText ) { - // Be careful not to extend the buffer with css that needs a new stylesheet - if ( !cssBuffer || canExpandStylesheetWith( cssText ) ) { - // Linebreak for somewhat distinguishable sections - // (the rl-cachekey comment separating each) - cssBuffer += '\n' + cssText; - // TODO: Use requestAnimationFrame in the future which will - // perform even better by not injecting styles while the browser - // is paiting. - setTimeout( function () { - // Can't pass addEmbeddedCSS to setTimeout directly because Firefox - // (below version 13) has the non-standard behaviour of passing a - // numerical "lateness" value as first argument to this callback - // http://benalman.com/news/2009/07/the-mysterious-firefox-settime/ - addEmbeddedCSS(); - } ); - return; - } - - // This is a delayed call and we got a buffer still - } else if ( cssBuffer ) { - cssText = cssBuffer; - cssBuffer = ''; - } else { - // This is a delayed call, but buffer is already cleared by - // another delayed call. - return; - } - - // By default, always create a new <style>. Appending text - // to a <style> tag means the contents have to be re-parsed (bug 45810). - // Except, of course, in IE below 9, in there we default to - // re-using and appending to a <style> tag due to the - // IE stylesheet limit (bug 31676). - if ( 'documentMode' in document && document.documentMode <= 9 ) { - - $style = getMarker().prev(); - // Verify that the the element before Marker actually is a - // <style> tag and one that came from ResourceLoader - // (not some other style tag or even a `<meta>` or `<script>`). - if ( $style.data( 'ResourceLoaderDynamicStyleTag' ) === true ) { - // There's already a dynamic <style> tag present and - // canExpandStylesheetWith() gave a green light to append more to it. - styleEl = $style.get( 0 ); - if ( styleEl.styleSheet ) { - try { - styleEl.styleSheet.cssText += cssText; // IE - } catch ( e ) { - log( 'addEmbeddedCSS fail', e ); - } - } else { - styleEl.appendChild( document.createTextNode( String( cssText ) ) ); - } - cssCallbacks.fire().empty(); - return; - } - } - - $( newStyleTag( cssText, getMarker() ) ).data( 'ResourceLoaderDynamicStyleTag', true ); - - cssCallbacks.fire().empty(); - } - - /** - * Generates an ISO8601 "basic" string from a UNIX timestamp - * @private - */ - function formatVersionNumber( timestamp ) { - var d = new Date(); - function pad( a, b, c ) { - return [a < 10 ? '0' + a : a, b < 10 ? '0' + b : b, c < 10 ? '0' + c : c].join( '' ); - } - d.setTime( timestamp * 1000 ); - return [ - pad( d.getUTCFullYear(), d.getUTCMonth() + 1, d.getUTCDate() ), 'T', - pad( d.getUTCHours(), d.getUTCMinutes(), d.getUTCSeconds() ), 'Z' - ].join( '' ); - } - - /** - * Resolves dependencies and detects circular references. - * - * @private - * @param {string} module Name of the top-level module whose dependencies shall be - * resolved and sorted. - * @param {Array} resolved Returns a topological sort of the given module and its - * dependencies, such that later modules depend on earlier modules. The array - * contains the module names. If the array contains already some module names, - * this function appends its result to the pre-existing array. - * @param {Object} [unresolved] Hash used to track the current dependency - * chain; used to report loops in the dependency graph. - * @throws {Error} If any unregistered module or a dependency loop is encountered - */ - function sortDependencies( module, resolved, unresolved ) { - var n, deps, len; - - if ( registry[module] === undefined ) { - throw new Error( 'Unknown dependency: ' + module ); - } - // Resolves dynamic loader function and replaces it with its own results - if ( $.isFunction( registry[module].dependencies ) ) { - registry[module].dependencies = registry[module].dependencies(); - // Ensures the module's dependencies are always in an array - if ( typeof registry[module].dependencies !== 'object' ) { - registry[module].dependencies = [registry[module].dependencies]; - } - } - if ( $.inArray( module, resolved ) !== -1 ) { - // Module already resolved; nothing to do. - return; - } - // unresolved is optional, supply it if not passed in - if ( !unresolved ) { - unresolved = {}; - } - // Tracks down dependencies - deps = registry[module].dependencies; - len = deps.length; - for ( n = 0; n < len; n += 1 ) { - if ( $.inArray( deps[n], resolved ) === -1 ) { - if ( unresolved[deps[n]] ) { - throw new Error( - 'Circular reference detected: ' + module + - ' -> ' + deps[n] - ); - } - - // Add to unresolved - unresolved[module] = true; - sortDependencies( deps[n], resolved, unresolved ); - delete unresolved[module]; - } - } - resolved[resolved.length] = module; - } - - /** - * Gets a list of module names that a module depends on in their proper dependency - * order. - * - * @private - * @param {string} module Module name or array of string module names - * @return {Array} list of dependencies, including 'module'. - * @throws {Error} If circular reference is detected - */ - function resolve( module ) { - var m, resolved; - - // Allow calling with an array of module names - if ( $.isArray( module ) ) { - resolved = []; - for ( m = 0; m < module.length; m += 1 ) { - sortDependencies( module[m], resolved ); - } - return resolved; - } - - if ( typeof module === 'string' ) { - resolved = []; - sortDependencies( module, resolved ); - return resolved; - } - - throw new Error( 'Invalid module argument: ' + module ); - } - - /** - * Narrows a list of module names down to those matching a specific - * state (see comment on top of this scope for a list of valid states). - * One can also filter for 'unregistered', which will return the - * modules names that don't have a registry entry. - * - * @private - * @param {string|string[]} states Module states to filter by - * @param {Array} [modules] List of module names to filter (optional, by default the entire - * registry is used) - * @return {Array} List of filtered module names - */ - function filter( states, modules ) { - var list, module, s, m; - - // Allow states to be given as a string - if ( typeof states === 'string' ) { - states = [states]; - } - // If called without a list of modules, build and use a list of all modules - list = []; - if ( modules === undefined ) { - modules = []; - for ( module in registry ) { - modules[modules.length] = module; - } - } - // Build a list of modules which are in one of the specified states - for ( s = 0; s < states.length; s += 1 ) { - for ( m = 0; m < modules.length; m += 1 ) { - if ( registry[modules[m]] === undefined ) { - // Module does not exist - if ( states[s] === 'unregistered' ) { - // OK, undefined - list[list.length] = modules[m]; - } - } else { - // Module exists, check state - if ( registry[modules[m]].state === states[s] ) { - // OK, correct state - list[list.length] = modules[m]; - } - } - } - } - return list; - } - - /** - * Determine whether all dependencies are in state 'ready', which means we may - * execute the module or job now. - * - * @private - * @param {Array} dependencies Dependencies (module names) to be checked. - * @return {boolean} True if all dependencies are in state 'ready', false otherwise - */ - function allReady( dependencies ) { - return filter( 'ready', dependencies ).length === dependencies.length; - } - - /** - * A module has entered state 'ready', 'error', or 'missing'. Automatically update pending jobs - * and modules that depend upon this module. if the given module failed, propagate the 'error' - * state up the dependency tree; otherwise, execute all jobs/modules that now have all their - * dependencies satisfied. On jobs depending on a failed module, run the error callback, if any. - * - * @private - * @param {string} module Name of module that entered one of the states 'ready', 'error', or 'missing'. - */ - function handlePending( module ) { - var j, job, hasErrors, m, stateChange; - - // Modules. - if ( $.inArray( registry[module].state, ['error', 'missing'] ) !== -1 ) { - // If the current module failed, mark all dependent modules also as failed. - // Iterate until steady-state to propagate the error state upwards in the - // dependency tree. - do { - stateChange = false; - for ( m in registry ) { - if ( $.inArray( registry[m].state, ['error', 'missing'] ) === -1 ) { - if ( filter( ['error', 'missing'], registry[m].dependencies ).length > 0 ) { - registry[m].state = 'error'; - stateChange = true; - } - } - } - } while ( stateChange ); - } - - // Execute all jobs whose dependencies are either all satisfied or contain at least one failed module. - for ( j = 0; j < jobs.length; j += 1 ) { - hasErrors = filter( ['error', 'missing'], jobs[j].dependencies ).length > 0; - if ( hasErrors || allReady( jobs[j].dependencies ) ) { - // All dependencies satisfied, or some have errors - job = jobs[j]; - jobs.splice( j, 1 ); - j -= 1; - try { - if ( hasErrors ) { - if ( $.isFunction( job.error ) ) { - job.error( new Error( 'Module ' + module + ' has failed dependencies' ), [module] ); - } - } else { - if ( $.isFunction( job.ready ) ) { - job.ready(); - } - } - } catch ( e ) { - // A user-defined callback raised an exception. - // Swallow it to protect our state machine! - log( 'Exception thrown by job.error', e ); - } - } - } - - if ( registry[module].state === 'ready' ) { - // The current module became 'ready'. Recursively execute all dependent modules that are loaded - // and now have all dependencies satisfied. - for ( m in registry ) { - if ( registry[m].state === 'loaded' && allReady( registry[m].dependencies ) ) { - execute( m ); - } - } - } - } - - /** - * Adds a script tag to the DOM, either using document.write or low-level DOM manipulation, - * depending on whether document-ready has occurred yet and whether we are in async mode. - * - * @private - * @param {string} src URL to script, will be used as the src attribute in the script tag - * @param {Function} [callback] Callback which will be run when the script is done - */ - function addScript( src, callback, async ) { - /*jshint evil:true */ - var script, head, done; - - // Using isReady directly instead of storing it locally from - // a $.fn.ready callback (bug 31895). - if ( $.isReady || async ) { - // Can't use jQuery.getScript because that only uses <script> for cross-domain, - // it uses XHR and eval for same-domain scripts, which we don't want because it - // messes up line numbers. - // The below is based on jQuery ([jquery@1.8.2]/src/ajax/script.js) - - // IE-safe way of getting the <head>. document.head isn't supported - // in old IE, and doesn't work when in the <head>. - done = false; - head = document.getElementsByTagName( 'head' )[0] || document.body; - - script = document.createElement( 'script' ); - script.async = true; - script.src = src; - if ( $.isFunction( callback ) ) { - script.onload = script.onreadystatechange = function () { - if ( - !done - && ( - !script.readyState - || /loaded|complete/.test( script.readyState ) - ) - ) { - done = true; - - // Handle memory leak in IE - script.onload = script.onreadystatechange = null; - - // Detach the element from the document - if ( script.parentNode ) { - script.parentNode.removeChild( script ); - } - - // Dereference the element from javascript - script = undefined; - - callback(); - } - }; - } - - if ( window.opera ) { - // Appending to the <head> blocks rendering completely in Opera, - // so append to the <body> after document ready. This means the - // scripts only start loading after the document has been rendered, - // but so be it. Opera users don't deserve faster web pages if their - // browser makes it impossible. - $( function () { - document.body.appendChild( script ); - } ); - } else { - head.appendChild( script ); - } - } else { - document.write( mw.html.element( 'script', { 'src': src }, '' ) ); - if ( $.isFunction( callback ) ) { - // Document.write is synchronous, so this is called when it's done - // FIXME: that's a lie. doc.write isn't actually synchronous - callback(); - } - } - } - - /** - * Executes a loaded module, making it ready to use - * - * @private - * @param {string} module Module name to execute - */ - function execute( module ) { - var key, value, media, i, urls, cssHandle, checkCssHandles, - cssHandlesRegistered = false; - - if ( registry[module] === undefined ) { - throw new Error( 'Module has not been registered yet: ' + module ); - } else if ( registry[module].state === 'registered' ) { - throw new Error( 'Module has not been requested from the server yet: ' + module ); - } else if ( registry[module].state === 'loading' ) { - throw new Error( 'Module has not completed loading yet: ' + module ); - } else if ( registry[module].state === 'ready' ) { - throw new Error( 'Module has already been executed: ' + module ); - } - - /** - * Define loop-function here for efficiency - * and to avoid re-using badly scoped variables. - * @ignore - */ - function addLink( media, url ) { - var el = document.createElement( 'link' ); - getMarker().before( el ); // IE: Insert in dom before setting href - el.rel = 'stylesheet'; - if ( media && media !== 'all' ) { - el.media = media; - } - el.href = url; - } - - function runScript() { - var script, markModuleReady, nestedAddScript; - try { - script = registry[module].script; - markModuleReady = function () { - registry[module].state = 'ready'; - handlePending( module ); - }; - nestedAddScript = function ( arr, callback, async, i ) { - // Recursively call addScript() in its own callback - // for each element of arr. - if ( i >= arr.length ) { - // We're at the end of the array - callback(); - return; - } - - addScript( arr[i], function () { - nestedAddScript( arr, callback, async, i + 1 ); - }, async ); - }; - - if ( $.isArray( script ) ) { - nestedAddScript( script, markModuleReady, registry[module].async, 0 ); - } else if ( $.isFunction( script ) ) { - registry[module].state = 'ready'; - script( $ ); - handlePending( module ); - } - } catch ( e ) { - // This needs to NOT use mw.log because these errors are common in production mode - // and not in debug mode, such as when a symbol that should be global isn't exported - log( 'Exception thrown by ' + module, e ); - registry[module].state = 'error'; - handlePending( module ); - } - } - - // This used to be inside runScript, but since that is now fired asychronously - // (after CSS is loaded) we need to set it here right away. It is crucial that - // when execute() is called this is set synchronously, otherwise modules will get - // executed multiple times as the registry will state that it isn't loading yet. - registry[module].state = 'loading'; - - // Add localizations to message system - if ( $.isPlainObject( registry[module].messages ) ) { - mw.messages.set( registry[module].messages ); - } - - if ( $.isReady || registry[module].async ) { - // Make sure we don't run the scripts until all (potentially asynchronous) - // stylesheet insertions have completed. - ( function () { - var pending = 0; - checkCssHandles = function () { - // cssHandlesRegistered ensures we don't take off too soon, e.g. when - // one of the cssHandles is fired while we're still creating more handles. - if ( cssHandlesRegistered && pending === 0 && runScript ) { - runScript(); - runScript = undefined; // Revoke - } - }; - cssHandle = function () { - var check = checkCssHandles; - pending++; - return function () { - if (check) { - pending--; - check(); - check = undefined; // Revoke - } - }; - }; - }() ); - } else { - // We are in blocking mode, and so we can't afford to wait for CSS - cssHandle = function () {}; - // Run immediately - checkCssHandles = runScript; - } - - // Process styles (see also mw.loader.implement) - // * back-compat: { <media>: css } - // * back-compat: { <media>: [url, ..] } - // * { "css": [css, ..] } - // * { "url": { <media>: [url, ..] } } - if ( $.isPlainObject( registry[module].style ) ) { - for ( key in registry[module].style ) { - value = registry[module].style[key]; - media = undefined; - - if ( key !== 'url' && key !== 'css' ) { - // Backwards compatibility, key is a media-type - if ( typeof value === 'string' ) { - // back-compat: { <media>: css } - // Ignore 'media' because it isn't supported (nor was it used). - // Strings are pre-wrapped in "@media". The media-type was just "" - // (because it had to be set to something). - // This is one of the reasons why this format is no longer used. - addEmbeddedCSS( value, cssHandle() ); - } else { - // back-compat: { <media>: [url, ..] } - media = key; - key = 'bc-url'; - } - } - - // Array of css strings in key 'css', - // or back-compat array of urls from media-type - if ( $.isArray( value ) ) { - for ( i = 0; i < value.length; i += 1 ) { - if ( key === 'bc-url' ) { - // back-compat: { <media>: [url, ..] } - addLink( media, value[i] ); - } else if ( key === 'css' ) { - // { "css": [css, ..] } - addEmbeddedCSS( value[i], cssHandle() ); - } - } - // Not an array, but a regular object - // Array of urls inside media-type key - } else if ( typeof value === 'object' ) { - // { "url": { <media>: [url, ..] } } - for ( media in value ) { - urls = value[media]; - for ( i = 0; i < urls.length; i += 1 ) { - addLink( media, urls[i] ); - } - } - } - } - } - - // Kick off. - cssHandlesRegistered = true; - checkCssHandles(); - } - - /** - * Adds a dependencies to the queue with optional callbacks to be run - * when the dependencies are ready or fail - * - * @private - * @param {string|string[]} dependencies Module name or array of string module names - * @param {Function} [ready] Callback to execute when all dependencies are ready - * @param {Function} [error] Callback to execute when any dependency fails - * @param {boolean} [async] If true, load modules asynchronously even if - * document ready has not yet occurred. - */ - function request( dependencies, ready, error, async ) { - var n; - - // Allow calling by single module name - if ( typeof dependencies === 'string' ) { - dependencies = [dependencies]; - } - - // Add ready and error callbacks if they were given - if ( ready !== undefined || error !== undefined ) { - jobs[jobs.length] = { - 'dependencies': filter( - ['registered', 'loading', 'loaded'], - dependencies - ), - 'ready': ready, - 'error': error - }; - } - - // Queue up any dependencies that are registered - dependencies = filter( ['registered'], dependencies ); - for ( n = 0; n < dependencies.length; n += 1 ) { - if ( $.inArray( dependencies[n], queue ) === -1 ) { - queue[queue.length] = dependencies[n]; - if ( async ) { - // Mark this module as async in the registry - registry[dependencies[n]].async = true; - } - } - } - - // Work the queue - mw.loader.work(); - } - - function sortQuery(o) { - var sorted = {}, key, a = []; - for ( key in o ) { - if ( hasOwn.call( o, key ) ) { - a.push( key ); - } - } - a.sort(); - for ( key = 0; key < a.length; key += 1 ) { - sorted[a[key]] = o[a[key]]; - } - return sorted; - } - - /** - * Converts a module map of the form { foo: [ 'bar', 'baz' ], bar: [ 'baz, 'quux' ] } - * to a query string of the form foo.bar,baz|bar.baz,quux - * @private - */ - function buildModulesString( moduleMap ) { - var arr = [], p, prefix; - for ( prefix in moduleMap ) { - p = prefix === '' ? '' : prefix + '.'; - arr.push( p + moduleMap[prefix].join( ',' ) ); - } - return arr.join( '|' ); - } - - /** - * Asynchronously append a script tag to the end of the body - * that invokes load.php - * @private - * @param {Object} moduleMap Module map, see #buildModulesString - * @param {Object} currReqBase Object with other parameters (other than 'modules') to use in the request - * @param {string} sourceLoadScript URL of load.php - * @param {boolean} async If true, use an asynchronous request even if document ready has not yet occurred - */ - function doRequest( moduleMap, currReqBase, sourceLoadScript, async ) { - var request = $.extend( - { modules: buildModulesString( moduleMap ) }, - currReqBase - ); - request = sortQuery( request ); - // Asynchronously append a script tag to the end of the body - // Append &* to avoid triggering the IE6 extension check - addScript( sourceLoadScript + '?' + $.param( request ) + '&*', null, async ); - } - - /* Public Methods */ - return { - /** - * The module registry is exposed as an aid for debugging and inspecting page - * state; it is not a public interface for modifying the registry. - * - * @see #registry - * @property - * @private - */ - moduleRegistry: registry, - - /** - * @inheritdoc #newStyleTag - * @method - */ - addStyleTag: newStyleTag, - - /** - * Batch-request queued dependencies from the server. - */ - work: function () { - var reqBase, splits, maxQueryLength, q, b, bSource, bGroup, bSourceGroup, - source, group, g, i, modules, maxVersion, sourceLoadScript, - currReqBase, currReqBaseLength, moduleMap, l, - lastDotIndex, prefix, suffix, bytesAdded, async; - - // Build a list of request parameters common to all requests. - reqBase = { - skin: mw.config.get( 'skin' ), - lang: mw.config.get( 'wgUserLanguage' ), - debug: mw.config.get( 'debug' ) - }; - // Split module batch by source and by group. - splits = {}; - maxQueryLength = mw.config.get( 'wgResourceLoaderMaxQueryLength', -1 ); - - // Appends a list of modules from the queue to the batch - for ( q = 0; q < queue.length; q += 1 ) { - // Only request modules which are registered - if ( registry[queue[q]] !== undefined && registry[queue[q]].state === 'registered' ) { - // Prevent duplicate entries - if ( $.inArray( queue[q], batch ) === -1 ) { - batch[batch.length] = queue[q]; - // Mark registered modules as loading - registry[queue[q]].state = 'loading'; - } - } - } - // Early exit if there's nothing to load... - if ( !batch.length ) { - return; - } - - // The queue has been processed into the batch, clear up the queue. - queue = []; - - // Always order modules alphabetically to help reduce cache - // misses for otherwise identical content. - batch.sort(); - - // Split batch by source and by group. - for ( b = 0; b < batch.length; b += 1 ) { - bSource = registry[batch[b]].source; - bGroup = registry[batch[b]].group; - if ( splits[bSource] === undefined ) { - splits[bSource] = {}; - } - if ( splits[bSource][bGroup] === undefined ) { - splits[bSource][bGroup] = []; - } - bSourceGroup = splits[bSource][bGroup]; - bSourceGroup[bSourceGroup.length] = batch[b]; - } - - // Clear the batch - this MUST happen before we append any - // script elements to the body or it's possible that a script - // will be locally cached, instantly load, and work the batch - // again, all before we've cleared it causing each request to - // include modules which are already loaded. - batch = []; - - for ( source in splits ) { - - sourceLoadScript = sources[source].loadScript; - - for ( group in splits[source] ) { - - // Cache access to currently selected list of - // modules for this group from this source. - modules = splits[source][group]; - - // Calculate the highest timestamp - maxVersion = 0; - for ( g = 0; g < modules.length; g += 1 ) { - if ( registry[modules[g]].version > maxVersion ) { - maxVersion = registry[modules[g]].version; - } - } - - currReqBase = $.extend( { version: formatVersionNumber( maxVersion ) }, reqBase ); - // For user modules append a user name to the request. - if ( group === 'user' && mw.config.get( 'wgUserName' ) !== null ) { - currReqBase.user = mw.config.get( 'wgUserName' ); - } - currReqBaseLength = $.param( currReqBase ).length; - async = true; - // We may need to split up the request to honor the query string length limit, - // so build it piece by piece. - l = currReqBaseLength + 9; // '&modules='.length == 9 - - moduleMap = {}; // { prefix: [ suffixes ] } - - for ( i = 0; i < modules.length; i += 1 ) { - // Determine how many bytes this module would add to the query string - lastDotIndex = modules[i].lastIndexOf( '.' ); - // Note that these substr() calls work even if lastDotIndex == -1 - prefix = modules[i].substr( 0, lastDotIndex ); - suffix = modules[i].substr( lastDotIndex + 1 ); - bytesAdded = moduleMap[prefix] !== undefined - ? suffix.length + 3 // '%2C'.length == 3 - : modules[i].length + 3; // '%7C'.length == 3 - - // If the request would become too long, create a new one, - // but don't create empty requests - if ( maxQueryLength > 0 && !$.isEmptyObject( moduleMap ) && l + bytesAdded > maxQueryLength ) { - // This request would become too long, create a new one - // and fire off the old one - doRequest( moduleMap, currReqBase, sourceLoadScript, async ); - moduleMap = {}; - async = true; - l = currReqBaseLength + 9; - } - if ( moduleMap[prefix] === undefined ) { - moduleMap[prefix] = []; - } - moduleMap[prefix].push( suffix ); - if ( !registry[modules[i]].async ) { - // If this module is blocking, make the entire request blocking - // This is slightly suboptimal, but in practice mixing of blocking - // and async modules will only occur in debug mode. - async = false; - } - l += bytesAdded; - } - // If there's anything left in moduleMap, request that too - if ( !$.isEmptyObject( moduleMap ) ) { - doRequest( moduleMap, currReqBase, sourceLoadScript, async ); - } - } - } - }, - - /** - * Register a source. - * - * @param {string} id Short lowercase a-Z string representing a source, only used internally. - * @param {Object} props Object containing only the loadScript property which is a url to - * the load.php location of the source. - * @return {boolean} - */ - addSource: function ( id, props ) { - var source; - // Allow multiple additions - if ( typeof id === 'object' ) { - for ( source in id ) { - mw.loader.addSource( source, id[source] ); - } - return true; - } - - if ( sources[id] !== undefined ) { - throw new Error( 'source already registered: ' + id ); - } - - sources[id] = props; - - return true; - }, - - /** - * Register a module, letting the system know about it and its - * properties. Startup modules contain calls to this function. - * - * @param {string} module Module name - * @param {number} version Module version number as a timestamp (falls backs to 0) - * @param {string|Array|Function} dependencies One string or array of strings of module - * names on which this module depends, or a function that returns that array. - * @param {string} [group=null] Group which the module is in - * @param {string} [source='local'] Name of the source - */ - register: function ( module, version, dependencies, group, source ) { - var m; - // Allow multiple registration - if ( typeof module === 'object' ) { - for ( m = 0; m < module.length; m += 1 ) { - // module is an array of module names - if ( typeof module[m] === 'string' ) { - mw.loader.register( module[m] ); - // module is an array of arrays - } else if ( typeof module[m] === 'object' ) { - mw.loader.register.apply( mw.loader, module[m] ); - } - } - return; - } - // Validate input - if ( typeof module !== 'string' ) { - throw new Error( 'module must be a string, not a ' + typeof module ); - } - if ( registry[module] !== undefined ) { - throw new Error( 'module already registered: ' + module ); - } - // List the module as registered - registry[module] = { - version: version !== undefined ? parseInt( version, 10 ) : 0, - dependencies: [], - group: typeof group === 'string' ? group : null, - source: typeof source === 'string' ? source: 'local', - state: 'registered' - }; - if ( typeof dependencies === 'string' ) { - // Allow dependencies to be given as a single module name - registry[module].dependencies = [ dependencies ]; - } else if ( typeof dependencies === 'object' || $.isFunction( dependencies ) ) { - // Allow dependencies to be given as an array of module names - // or a function which returns an array - registry[module].dependencies = dependencies; - } - }, - - /** - * Implement a module given the components that make up the module. - * - * When #load or #using requests one or more modules, the server - * response contain calls to this function. - * - * All arguments are required. - * - * @param {string} module Name of module - * @param {Function|Array} script Function with module code or Array of URLs to - * be used as the src attribute of a new `<script>` tag. - * @param {Object} style Should follow one of the following patterns: - * - * { "css": [css, ..] } - * { "url": { <media>: [url, ..] } } - * - * And for backwards compatibility (needs to be supported forever due to caching): - * - * { <media>: css } - * { <media>: [url, ..] } - * - * The reason css strings are not concatenated anymore is bug 31676. We now check - * whether it's safe to extend the stylesheet (see #canExpandStylesheetWith). - * - * @param {Object} msgs List of key/value pairs to be added to mw#messages. - */ - implement: function ( module, script, style, msgs ) { - // Validate input - if ( typeof module !== 'string' ) { - throw new Error( 'module must be a string, not a ' + typeof module ); - } - if ( !$.isFunction( script ) && !$.isArray( script ) ) { - throw new Error( 'script must be a function or an array, not a ' + typeof script ); - } - if ( !$.isPlainObject( style ) ) { - throw new Error( 'style must be an object, not a ' + typeof style ); - } - if ( !$.isPlainObject( msgs ) ) { - throw new Error( 'msgs must be an object, not a ' + typeof msgs ); - } - // Automatically register module - if ( registry[module] === undefined ) { - mw.loader.register( module ); - } - // Check for duplicate implementation - if ( registry[module] !== undefined && registry[module].script !== undefined ) { - throw new Error( 'module already implemented: ' + module ); - } - // Attach components - registry[module].script = script; - registry[module].style = style; - registry[module].messages = msgs; - // The module may already have been marked as erroneous - if ( $.inArray( registry[module].state, ['error', 'missing'] ) === -1 ) { - registry[module].state = 'loaded'; - if ( allReady( registry[module].dependencies ) ) { - execute( module ); - } - } - }, - - /** - * Execute a function as soon as one or more required modules are ready. - * - * @param {string|Array} dependencies Module name or array of modules names the callback - * dependends on to be ready before executing - * @param {Function} [ready] callback to execute when all dependencies are ready - * @param {Function} [error] callback to execute when if dependencies have a errors - */ - using: function ( dependencies, ready, error ) { - var tod = typeof dependencies; - // Validate input - if ( tod !== 'object' && tod !== 'string' ) { - throw new Error( 'dependencies must be a string or an array, not a ' + tod ); - } - // Allow calling with a single dependency as a string - if ( tod === 'string' ) { - dependencies = [ dependencies ]; - } - // Resolve entire dependency map - dependencies = resolve( dependencies ); - if ( allReady( dependencies ) ) { - // Run ready immediately - if ( $.isFunction( ready ) ) { - ready(); - } - } else if ( filter( ['error', 'missing'], dependencies ).length ) { - // Execute error immediately if any dependencies have errors - if ( $.isFunction( error ) ) { - error( new Error( 'one or more dependencies have state "error" or "missing"' ), - dependencies ); - } - } else { - // Not all dependencies are ready: queue up a request - request( dependencies, ready, error ); - } - }, - - /** - * Load an external script or one or more modules. - * - * @param {string|Array} modules Either the name of a module, array of modules, - * or a URL of an external script or style - * @param {string} [type='text/javascript'] mime-type to use if calling with a URL of an - * external script or style; acceptable values are "text/css" and - * "text/javascript"; if no type is provided, text/javascript is assumed. - * @param {boolean} [async] If true, load modules asynchronously - * even if document ready has not yet occurred. If false, block before - * document ready and load async after. If not set, true will be - * assumed if loading a URL, and false will be assumed otherwise. - */ - load: function ( modules, type, async ) { - var filtered, m, module, l; - - // Validate input - if ( typeof modules !== 'object' && typeof modules !== 'string' ) { - throw new Error( 'modules must be a string or an array, not a ' + typeof modules ); - } - // Allow calling with an external url or single dependency as a string - if ( typeof modules === 'string' ) { - // Support adding arbitrary external scripts - if ( /^(https?:)?\/\//.test( modules ) ) { - if ( async === undefined ) { - // Assume async for bug 34542 - async = true; - } - if ( type === 'text/css' ) { - // IE7-8 throws security warnings when inserting a <link> tag - // with a protocol-relative URL set though attributes (instead of - // properties) - when on HTTPS. See also bug #. - l = document.createElement( 'link' ); - l.rel = 'stylesheet'; - l.href = modules; - $( 'head' ).append( l ); - return; - } - if ( type === 'text/javascript' || type === undefined ) { - addScript( modules, null, async ); - return; - } - // Unknown type - throw new Error( 'invalid type for external url, must be text/css or text/javascript. not ' + type ); - } - // Called with single module - modules = [ modules ]; - } - - // Filter out undefined modules, otherwise resolve() will throw - // an exception for trying to load an undefined module. - // Undefined modules are acceptable here in load(), because load() takes - // an array of unrelated modules, whereas the modules passed to - // using() are related and must all be loaded. - for ( filtered = [], m = 0; m < modules.length; m += 1 ) { - module = registry[modules[m]]; - if ( module !== undefined ) { - if ( $.inArray( module.state, ['error', 'missing'] ) === -1 ) { - filtered[filtered.length] = modules[m]; - } - } - } - - if ( filtered.length === 0 ) { - return; - } - // Resolve entire dependency map - filtered = resolve( filtered ); - // If all modules are ready, nothing to be done - if ( allReady( filtered ) ) { - return; - } - // If any modules have errors: also quit. - if ( filter( ['error', 'missing'], filtered ).length ) { - return; - } - // Since some modules are not yet ready, queue up a request. - request( filtered, undefined, undefined, async ); - }, - - /** - * Change the state of one or more modules. - * - * @param {string|Object} module module name or object of module name/state pairs - * @param {string} state state name - */ - state: function ( module, state ) { - var m; - - if ( typeof module === 'object' ) { - for ( m in module ) { - mw.loader.state( m, module[m] ); - } - return; - } - if ( registry[module] === undefined ) { - mw.loader.register( module ); - } - if ( $.inArray( state, ['ready', 'error', 'missing'] ) !== -1 - && registry[module].state !== state ) { - // Make sure pending modules depending on this one get executed if their - // dependencies are now fulfilled! - registry[module].state = state; - handlePending( module ); - } else { - registry[module].state = state; - } - }, - - /** - * Get the version of a module. - * - * @param {string} module Name of module to get version for - */ - getVersion: function ( module ) { - if ( registry[module] !== undefined && registry[module].version !== undefined ) { - return formatVersionNumber( registry[module].version ); - } - return null; - }, - - /** - * @inheritdoc #getVersion - * @deprecated since 1.18 use #getVersion instead - */ - version: function () { - return mw.loader.getVersion.apply( mw.loader, arguments ); - }, - - /** - * Get the state of a module. - * - * @param {string} module name of module to get state for - */ - getState: function ( module ) { - if ( registry[module] !== undefined && registry[module].state !== undefined ) { - return registry[module].state; - } - return null; - }, - - /** - * Get names of all registered modules. - * - * @return {Array} - */ - getModuleNames: function () { - return $.map( registry, function ( i, key ) { - return key; - } ); - }, - - /** - * Load the `mediawiki.user` module. - * - * For backwards-compatibility with cached pages from before 2013 where: - * - * - the `mediawiki.user` module didn't exist yet - * - `mw.user` was still part of mediawiki.js - * - `mw.loader.go` still existed and called after `mw.loader.load()` - */ - go: function () { - mw.loader.load( 'mediawiki.user' ); - }, - - /** - * @inheritdoc mw.inspect#runReports - * @method - */ - inspect: function () { - var args = slice.call( arguments ); - mw.loader.using( 'mediawiki.inspect', function () { - mw.inspect.runReports.apply( mw.inspect, args ); - } ); - } - - }; - }() ), - - /** - * HTML construction helper functions - * - * @example - * - * var Html, output; - * - * Html = mw.html; - * output = Html.element( 'div', {}, new Html.Raw( - * Html.element( 'img', { src: '<' } ) - * ) ); - * mw.log( output ); // <div><img src="<"/></div> - * - * @class mw.html - * @singleton - */ - html: ( function () { - function escapeCallback( s ) { - switch ( s ) { - case '\'': - return '''; - case '"': - return '"'; - case '<': - return '<'; - case '>': - return '>'; - case '&': - return '&'; - } - } - - return { - /** - * Escape a string for HTML. Converts special characters to HTML entities. - * @param {string} s The string to escape - */ - escape: function ( s ) { - return s.replace( /['"<>&]/g, escapeCallback ); - }, - - /** - * Create an HTML element string, with safe escaping. - * - * @param {string} name The tag name. - * @param {Object} attrs An object with members mapping element names to values - * @param {Mixed} contents The contents of the element. May be either: - * - string: The string is escaped. - * - null or undefined: The short closing form is used, e.g. <br/>. - * - this.Raw: The value attribute is included without escaping. - * - this.Cdata: The value attribute is included, and an exception is - * thrown if it contains an illegal ETAGO delimiter. - * See http://www.w3.org/TR/1999/REC-html401-19991224/appendix/notes.html#h-B.3.2 - */ - element: function ( name, attrs, contents ) { - var v, attrName, s = '<' + name; - - for ( attrName in attrs ) { - v = attrs[attrName]; - // Convert name=true, to name=name - if ( v === true ) { - v = attrName; - // Skip name=false - } else if ( v === false ) { - continue; - } - s += ' ' + attrName + '="' + this.escape( String( v ) ) + '"'; - } - if ( contents === undefined || contents === null ) { - // Self close tag - s += '/>'; - return s; - } - // Regular open tag - s += '>'; - switch ( typeof contents ) { - case 'string': - // Escaped - s += this.escape( contents ); - break; - case 'number': - case 'boolean': - // Convert to string - s += String( contents ); - break; - default: - if ( contents instanceof this.Raw ) { - // Raw HTML inclusion - s += contents.value; - } else if ( contents instanceof this.Cdata ) { - // CDATA - if ( /<\/[a-zA-z]/.test( contents.value ) ) { - throw new Error( 'mw.html.element: Illegal end tag found in CDATA' ); - } - s += contents.value; - } else { - throw new Error( 'mw.html.element: Invalid type of contents' ); - } - } - s += '</' + name + '>'; - return s; - }, - - /** - * Wrapper object for raw HTML passed to mw.html.element(). - * @class mw.html.Raw - */ - Raw: function ( value ) { - this.value = value; - }, - - /** - * Wrapper object for CDATA element contents passed to mw.html.element() - * @class mw.html.Cdata - */ - Cdata: function ( value ) { - this.value = value; - } - }; - }() ), - - // Skeleton user object. mediawiki.user.js extends this - user: { - options: new Map(), - tokens: new Map() - }, - - /** - * Registry and firing of events. - * - * MediaWiki has various interface components that are extended, enhanced - * or manipulated in some other way by extensions, gadgets and even - * in core itself. - * - * This framework helps streamlining the timing of when these other - * code paths fire their plugins (instead of using document-ready, - * which can and should be limited to firing only once). - * - * Features like navigating to other wiki pages, previewing an edit - * and editing itself – without a refresh – can then retrigger these - * hooks accordingly to ensure everything still works as expected. - * - * Example usage: - * - * mw.hook( 'wikipage.content' ).add( fn ).remove( fn ); - * mw.hook( 'wikipage.content' ).fire( $content ); - * - * Handlers can be added and fired for arbitrary event names at any time. The same - * event can be fired multiple times. The last run of an event is memorized - * (similar to `$(document).ready` and `$.Deferred().done`). - * This means if an event is fired, and a handler added afterwards, the added - * function will be fired right away with the last given event data. - * - * Like Deferreds and Promises, the mw.hook object is both detachable and chainable. - * Thus allowing flexible use and optimal maintainability and authority control. - * You can pass around the `add` and/or `fire` method to another piece of code - * without it having to know the event name (or `mw.hook` for that matter). - * - * var h = mw.hook( 'bar.ready' ); - * new mw.Foo( .. ).fetch( { callback: h.fire } ); - * - * Note: Events are documented with an underscore instead of a dot in the event - * name due to jsduck not supporting dots in that position. - * - * @class mw.hook - */ - hook: ( function () { - var lists = {}; - - /** - * Create an instance of mw.hook. - * - * @method hook - * @member mw - * @param {string} name Name of hook. - * @return {mw.hook} - */ - return function ( name ) { - var list = lists[name] || ( lists[name] = $.Callbacks( 'memory' ) ); - - return { - /** - * Register a hook handler - * @param {Function...} handler Function to bind. - * @chainable - */ - add: list.add, - - /** - * Unregister a hook handler - * @param {Function...} handler Function to unbind. - * @chainable - */ - remove: list.remove, - - /** - * Run a hook. - * @param {Mixed...} data - * @chainable - */ - fire: function () { - return list.fireWith( null, slice.call( arguments ) ); - } - }; - }; - }() ) - }; - -}( jQuery ) ); - -// Alias $j to jQuery for backwards compatibility -window.$j = jQuery; - -// Attach to window and globally alias -window.mw = window.mediaWiki = mw; - -// Auto-register from pre-loaded startup scripts -if ( jQuery.isFunction( window.startUp ) ) { - window.startUp(); - window.startUp = undefined; -} |