diff -r 322d0feea350 -r 89ef5ed3c48b src/cm/media/js/lib/yui/yui_3.10.3/build/loader-base/loader-base-debug.js --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cm/media/js/lib/yui/yui_3.10.3/build/loader-base/loader-base-debug.js Tue Jul 16 14:29:46 2013 +0200 @@ -0,0 +1,2827 @@ +/* +YUI 3.10.3 (build 2fb5187) +Copyright 2013 Yahoo! Inc. All rights reserved. +Licensed under the BSD License. +http://yuilibrary.com/license/ +*/ + +YUI.add('loader-base', function (Y, NAME) { + +/** + * The YUI loader core + * @module loader + * @submodule loader-base + */ + +if (!YUI.Env[Y.version]) { + + (function() { + var VERSION = Y.version, + BUILD = '/build/', + ROOT = VERSION + '/', + CDN_BASE = Y.Env.base, + GALLERY_VERSION = 'gallery-2013.06.05-22-14', + TNT = '2in3', + TNT_VERSION = '4', + YUI2_VERSION = '2.9.0', + COMBO_BASE = CDN_BASE + 'combo?', + META = { version: VERSION, + root: ROOT, + base: Y.Env.base, + comboBase: COMBO_BASE, + skin: { defaultSkin: 'sam', + base: 'assets/skins/', + path: 'skin.css', + after: ['cssreset', + 'cssfonts', + 'cssgrids', + 'cssbase', + 'cssreset-context', + 'cssfonts-context']}, + groups: {}, + patterns: {} }, + groups = META.groups, + yui2Update = function(tnt, yui2, config) { + + var root = TNT + '.' + + (tnt || TNT_VERSION) + '/' + + (yui2 || YUI2_VERSION) + BUILD, + base = (config && config.base) ? config.base : CDN_BASE, + combo = (config && config.comboBase) ? config.comboBase : COMBO_BASE; + + groups.yui2.base = base + root; + groups.yui2.root = root; + groups.yui2.comboBase = combo; + }, + galleryUpdate = function(tag, config) { + var root = (tag || GALLERY_VERSION) + BUILD, + base = (config && config.base) ? config.base : CDN_BASE, + combo = (config && config.comboBase) ? config.comboBase : COMBO_BASE; + + groups.gallery.base = base + root; + groups.gallery.root = root; + groups.gallery.comboBase = combo; + }; + + + groups[VERSION] = {}; + + groups.gallery = { + ext: false, + combine: true, + comboBase: COMBO_BASE, + update: galleryUpdate, + patterns: { 'gallery-': { }, + 'lang/gallery-': {}, + 'gallerycss-': { type: 'css' } } + }; + + groups.yui2 = { + combine: true, + ext: false, + comboBase: COMBO_BASE, + update: yui2Update, + patterns: { + 'yui2-': { + configFn: function(me) { + if (/-skin|reset|fonts|grids|base/.test(me.name)) { + me.type = 'css'; + me.path = me.path.replace(/\.js/, '.css'); + // this makes skins in builds earlier than + // 2.6.0 work as long as combine is false + me.path = me.path.replace(/\/yui2-skin/, + '/assets/skins/sam/yui2-skin'); + } + } + } + } + }; + + galleryUpdate(); + yui2Update(); + + YUI.Env[VERSION] = META; + }()); +} + + +/*jslint forin: true, maxlen: 350 */ + +/** + * Loader dynamically loads script and css files. It includes the dependency + * information for the version of the library in use, and will automatically pull in + * dependencies for the modules requested. It can also load the + * files from the Yahoo! CDN, and it can utilize the combo service provided on + * this network to reduce the number of http connections required to download + * YUI files. + * + * @module loader + * @main loader + * @submodule loader-base + */ + +var NOT_FOUND = {}, + NO_REQUIREMENTS = [], + MAX_URL_LENGTH = 1024, + GLOBAL_ENV = YUI.Env, + GLOBAL_LOADED = GLOBAL_ENV._loaded, + CSS = 'css', + JS = 'js', + INTL = 'intl', + DEFAULT_SKIN = 'sam', + VERSION = Y.version, + ROOT_LANG = '', + YObject = Y.Object, + oeach = YObject.each, + yArray = Y.Array, + _queue = GLOBAL_ENV._loaderQueue, + META = GLOBAL_ENV[VERSION], + SKIN_PREFIX = 'skin-', + L = Y.Lang, + ON_PAGE = GLOBAL_ENV.mods, + modulekey, + _path = function(dir, file, type, nomin) { + var path = dir + '/' + file; + if (!nomin) { + path += '-min'; + } + path += '.' + (type || CSS); + + return path; + }; + + + if (!YUI.Env._cssLoaded) { + YUI.Env._cssLoaded = {}; + } + + +/** + * The component metadata is stored in Y.Env.meta. + * Part of the loader module. + * @property meta + * @for YUI + */ +Y.Env.meta = META; + +/** + * Loader dynamically loads script and css files. It includes the dependency + * info for the version of the library in use, and will automatically pull in + * dependencies for the modules requested. It can load the + * files from the Yahoo! CDN, and it can utilize the combo service provided on + * this network to reduce the number of http connections required to download + * YUI files. You can also specify an external, custom combo service to host + * your modules as well. + + var Y = YUI(); + var loader = new Y.Loader({ + filter: 'debug', + base: '../../', + root: 'build/', + combine: true, + require: ['node', 'dd', 'console'] + }); + var out = loader.resolve(true); + + * @constructor + * @class Loader + * @param {Object} config an optional set of configuration options. + * @param {String} config.base The base dir which to fetch this module from + * @param {String} config.comboBase The Combo service base path. Ex: `http://yui.yahooapis.com/combo?` + * @param {String} config.root The root path to prepend to module names for the combo service. Ex: `2.5.2/build/` + * @param {String|Object} config.filter A filter to apply to result urls. See filter property + * @param {Object} config.filters Per-component filter specification. If specified for a given component, this overrides the filter config. + * @param {Boolean} config.combine Use a combo service to reduce the number of http connections required to load your dependencies + * @param {Boolean} [config.async=true] Fetch files in async + * @param {Array} config.ignore: A list of modules that should never be dynamically loaded + * @param {Array} config.force A list of modules that should always be loaded when required, even if already present on the page + * @param {HTMLElement|String} config.insertBefore Node or id for a node that should be used as the insertion point for new nodes + * @param {Object} config.jsAttributes Object literal containing attributes to add to script nodes + * @param {Object} config.cssAttributes Object literal containing attributes to add to link nodes + * @param {Number} config.timeout The number of milliseconds before a timeout occurs when dynamically loading nodes. If not set, there is no timeout + * @param {Object} config.context Execution context for all callbacks + * @param {Function} config.onSuccess Callback for the 'success' event + * @param {Function} config.onFailure Callback for the 'failure' event + * @param {Function} config.onCSS Callback for the 'CSSComplete' event. When loading YUI components with CSS the CSS is loaded first, then the script. This provides a moment you can tie into to improve the presentation of the page while the script is loading. + * @param {Function} config.onTimeout Callback for the 'timeout' event + * @param {Function} config.onProgress Callback executed each time a script or css file is loaded + * @param {Object} config.modules A list of module definitions. See Loader.addModule for the supported module metadata + * @param {Object} config.groups A list of group definitions. Each group can contain specific definitions for `base`, `comboBase`, `combine`, and accepts a list of `modules`. + * @param {String} config.2in3 The version of the YUI 2 in 3 wrapper to use. The intrinsic support for YUI 2 modules in YUI 3 relies on versions of the YUI 2 components inside YUI 3 module wrappers. These wrappers change over time to accomodate the issues that arise from running YUI 2 in a YUI 3 sandbox. + * @param {String} config.yui2 When using the 2in3 project, you can select the version of YUI 2 to use. Valid values are `2.2.2`, `2.3.1`, `2.4.1`, `2.5.2`, `2.6.0`, `2.7.0`, `2.8.0`, `2.8.1` and `2.9.0` [default] -- plus all versions of YUI 2 going forward. + */ +Y.Loader = function(o) { + + var self = this; + + //Catch no config passed. + o = o || {}; + + modulekey = META.md5; + + /** + * Internal callback to handle multiple internal insert() calls + * so that css is inserted prior to js + * @property _internalCallback + * @private + */ + // self._internalCallback = null; + + /** + * Callback that will be executed when the loader is finished + * with an insert + * @method onSuccess + * @type function + */ + // self.onSuccess = null; + + /** + * Callback that will be executed if there is a failure + * @method onFailure + * @type function + */ + // self.onFailure = null; + + /** + * Callback for the 'CSSComplete' event. When loading YUI components + * with CSS the CSS is loaded first, then the script. This provides + * a moment you can tie into to improve the presentation of the page + * while the script is loading. + * @method onCSS + * @type function + */ + // self.onCSS = null; + + /** + * Callback executed each time a script or css file is loaded + * @method onProgress + * @type function + */ + // self.onProgress = null; + + /** + * Callback that will be executed if a timeout occurs + * @method onTimeout + * @type function + */ + // self.onTimeout = null; + + /** + * The execution context for all callbacks + * @property context + * @default {YUI} the YUI instance + */ + self.context = Y; + + /** + * Data that is passed to all callbacks + * @property data + */ + // self.data = null; + + /** + * Node reference or id where new nodes should be inserted before + * @property insertBefore + * @type string|HTMLElement + */ + // self.insertBefore = null; + + /** + * The charset attribute for inserted nodes + * @property charset + * @type string + * @deprecated , use cssAttributes or jsAttributes. + */ + // self.charset = null; + + /** + * An object literal containing attributes to add to link nodes + * @property cssAttributes + * @type object + */ + // self.cssAttributes = null; + + /** + * An object literal containing attributes to add to script nodes + * @property jsAttributes + * @type object + */ + // self.jsAttributes = null; + + /** + * The base directory. + * @property base + * @type string + * @default http://yui.yahooapis.com/[YUI VERSION]/build/ + */ + self.base = Y.Env.meta.base + Y.Env.meta.root; + + /** + * Base path for the combo service + * @property comboBase + * @type string + * @default http://yui.yahooapis.com/combo? + */ + self.comboBase = Y.Env.meta.comboBase; + + /* + * Base path for language packs. + */ + // self.langBase = Y.Env.meta.langBase; + // self.lang = ""; + + /** + * If configured, the loader will attempt to use the combo + * service for YUI resources and configured external resources. + * @property combine + * @type boolean + * @default true if a base dir isn't in the config + */ + self.combine = o.base && + (o.base.indexOf(self.comboBase.substr(0, 20)) > -1); + + /** + * The default seperator to use between files in a combo URL + * @property comboSep + * @type {String} + * @default Ampersand + */ + self.comboSep = '&'; + /** + * Max url length for combo urls. The default is 1024. This is the URL + * limit for the Yahoo! hosted combo servers. If consuming + * a different combo service that has a different URL limit + * it is possible to override this default by supplying + * the maxURLLength config option. The config option will + * only take effect if lower than the default. + * + * @property maxURLLength + * @type int + */ + self.maxURLLength = MAX_URL_LENGTH; + + /** + * Ignore modules registered on the YUI global + * @property ignoreRegistered + * @default false + */ + self.ignoreRegistered = o.ignoreRegistered; + + /** + * Root path to prepend to module path for the combo + * service + * @property root + * @type string + * @default [YUI VERSION]/build/ + */ + self.root = Y.Env.meta.root; + + /** + * Timeout value in milliseconds. If set, self value will be used by + * the get utility. the timeout event will fire if + * a timeout occurs. + * @property timeout + * @type int + */ + self.timeout = 0; + + /** + * A list of modules that should not be loaded, even if + * they turn up in the dependency tree + * @property ignore + * @type string[] + */ + // self.ignore = null; + + /** + * A list of modules that should always be loaded, even + * if they have already been inserted into the page. + * @property force + * @type string[] + */ + // self.force = null; + + self.forceMap = {}; + + /** + * Should we allow rollups + * @property allowRollup + * @type boolean + * @default false + */ + self.allowRollup = false; + + /** + * A filter to apply to result urls. This filter will modify the default + * path for all modules. The default path for the YUI library is the + * minified version of the files (e.g., event-min.js). The filter property + * can be a predefined filter or a custom filter. The valid predefined + * filters are: + *
+ *
DEBUG
+ *
Selects the debug versions of the library (e.g., event-debug.js). + * This option will automatically include the Logger widget
+ *
RAW
+ *
Selects the non-minified version of the library (e.g., event.js). + *
+ *
+ * You can also define a custom filter, which must be an object literal + * containing a search expression and a replace string: + * + * myFilter: { + * 'searchExp': "-min\\.js", + * 'replaceStr': "-debug.js" + * } + * + * @property filter + * @type string| {searchExp: string, replaceStr: string} + */ + // self.filter = null; + + /** + * per-component filter specification. If specified for a given + * component, this overrides the filter config. + * @property filters + * @type object + */ + self.filters = {}; + + /** + * The list of requested modules + * @property required + * @type {string: boolean} + */ + self.required = {}; + + /** + * If a module name is predefined when requested, it is checked againsts + * the patterns provided in this property. If there is a match, the + * module is added with the default configuration. + * + * At the moment only supporting module prefixes, but anticipate + * supporting at least regular expressions. + * @property patterns + * @type Object + */ + // self.patterns = Y.merge(Y.Env.meta.patterns); + self.patterns = {}; + + /** + * The library metadata + * @property moduleInfo + */ + // self.moduleInfo = Y.merge(Y.Env.meta.moduleInfo); + self.moduleInfo = {}; + + self.groups = Y.merge(Y.Env.meta.groups); + + /** + * Provides the information used to skin the skinnable components. + * The following skin definition would result in 'skin1' and 'skin2' + * being loaded for calendar (if calendar was requested), and + * 'sam' for all other skinnable components: + * + * skin: { + * // The default skin, which is automatically applied if not + * // overriden by a component-specific skin definition. + * // Change this in to apply a different skin globally + * defaultSkin: 'sam', + * + * // This is combined with the loader base property to get + * // the default root directory for a skin. ex: + * // http://yui.yahooapis.com/2.3.0/build/assets/skins/sam/ + * base: 'assets/skins/', + * + * // Any component-specific overrides can be specified here, + * // making it possible to load different skins for different + * // components. It is possible to load more than one skin + * // for a given component as well. + * overrides: { + * calendar: ['skin1', 'skin2'] + * } + * } + * @property skin + * @type {Object} + */ + self.skin = Y.merge(Y.Env.meta.skin); + + /* + * Map of conditional modules + * @since 3.2.0 + */ + self.conditions = {}; + + // map of modules with a hash of modules that meet the requirement + // self.provides = {}; + + self.config = o; + self._internal = true; + + self._populateCache(); + + /** + * Set when beginning to compute the dependency tree. + * Composed of what YUI reports to be loaded combined + * with what has been loaded by any instance on the page + * with the version number specified in the metadata. + * @property loaded + * @type {string: boolean} + */ + self.loaded = GLOBAL_LOADED[VERSION]; + + + /** + * Should Loader fetch scripts in `async`, defaults to `true` + * @property async + */ + + self.async = true; + + self._inspectPage(); + + self._internal = false; + + self._config(o); + + self.forceMap = (self.force) ? Y.Array.hash(self.force) : {}; + + self.testresults = null; + + if (Y.config.tests) { + self.testresults = Y.config.tests; + } + + /** + * List of rollup files found in the library metadata + * @property rollups + */ + // self.rollups = null; + + /** + * Whether or not to load optional dependencies for + * the requested modules + * @property loadOptional + * @type boolean + * @default false + */ + // self.loadOptional = false; + + /** + * All of the derived dependencies in sorted order, which + * will be populated when either calculate() or insert() + * is called + * @property sorted + * @type string[] + */ + self.sorted = []; + + /* + * A list of modules to attach to the YUI instance when complete. + * If not supplied, the sorted list of dependencies are applied. + * @property attaching + */ + // self.attaching = null; + + /** + * Flag to indicate the dependency tree needs to be recomputed + * if insert is called again. + * @property dirty + * @type boolean + * @default true + */ + self.dirty = true; + + /** + * List of modules inserted by the utility + * @property inserted + * @type {string: boolean} + */ + self.inserted = {}; + + /** + * List of skipped modules during insert() because the module + * was not defined + * @property skipped + */ + self.skipped = {}; + + // Y.on('yui:load', self.loadNext, self); + + self.tested = {}; + + /* + * Cached sorted calculate results + * @property results + * @since 3.2.0 + */ + //self.results = {}; + + if (self.ignoreRegistered) { + //Clear inpage already processed modules. + self._resetModules(); + } + +}; + +Y.Loader.prototype = { + /** + * Checks the cache for modules and conditions, if they do not exist + * process the default metadata and populate the local moduleInfo hash. + * @method _populateCache + * @private + */ + _populateCache: function() { + var self = this, + defaults = META.modules, + cache = GLOBAL_ENV._renderedMods, + i; + + if (cache && !self.ignoreRegistered) { + for (i in cache) { + if (cache.hasOwnProperty(i)) { + self.moduleInfo[i] = Y.merge(cache[i]); + } + } + + cache = GLOBAL_ENV._conditions; + for (i in cache) { + if (cache.hasOwnProperty(i)) { + self.conditions[i] = Y.merge(cache[i]); + } + } + + } else { + for (i in defaults) { + if (defaults.hasOwnProperty(i)) { + self.addModule(defaults[i], i); + } + } + } + + }, + /** + * Reset modules in the module cache to a pre-processed state so additional + * computations with a different skin or language will work as expected. + * @method _resetModules + * @private + */ + _resetModules: function() { + var self = this, i, o, + mod, name, details; + for (i in self.moduleInfo) { + if (self.moduleInfo.hasOwnProperty(i)) { + mod = self.moduleInfo[i]; + name = mod.name; + details = (YUI.Env.mods[name] ? YUI.Env.mods[name].details : null); + + if (details) { + self.moduleInfo[name]._reset = true; + self.moduleInfo[name].requires = details.requires || []; + self.moduleInfo[name].optional = details.optional || []; + self.moduleInfo[name].supersedes = details.supercedes || []; + } + + if (mod.defaults) { + for (o in mod.defaults) { + if (mod.defaults.hasOwnProperty(o)) { + if (mod[o]) { + mod[o] = mod.defaults[o]; + } + } + } + } + delete mod.langCache; + delete mod.skinCache; + if (mod.skinnable) { + self._addSkin(self.skin.defaultSkin, mod.name); + } + } + } + }, + /** + Regex that matches a CSS URL. Used to guess the file type when it's not + specified. + + @property REGEX_CSS + @type RegExp + @final + @protected + @since 3.5.0 + **/ + REGEX_CSS: /\.css(?:[?;].*)?$/i, + + /** + * Default filters for raw and debug + * @property FILTER_DEFS + * @type Object + * @final + * @protected + */ + FILTER_DEFS: { + RAW: { + 'searchExp': '-min\\.js', + 'replaceStr': '.js' + }, + DEBUG: { + 'searchExp': '-min\\.js', + 'replaceStr': '-debug.js' + }, + COVERAGE: { + 'searchExp': '-min\\.js', + 'replaceStr': '-coverage.js' + } + }, + /* + * Check the pages meta-data and cache the result. + * @method _inspectPage + * @private + */ + _inspectPage: function() { + var self = this, v, m, req, mr, i; + + //Inspect the page for CSS only modules and mark them as loaded. + for (i in self.moduleInfo) { + if (self.moduleInfo.hasOwnProperty(i)) { + v = self.moduleInfo[i]; + if (v.type && v.type === CSS) { + if (self.isCSSLoaded(v.name)) { + Y.log('Found CSS module on page: ' + v.name, 'info', 'loader'); + self.loaded[i] = true; + } + } + } + } + for (i in ON_PAGE) { + if (ON_PAGE.hasOwnProperty(i)) { + v = ON_PAGE[i]; + if (v.details) { + m = self.moduleInfo[v.name]; + req = v.details.requires; + mr = m && m.requires; + + if (m) { + if (!m._inspected && req && mr.length !== req.length) { + // console.log('deleting ' + m.name); + delete m.expanded; + } + } else { + m = self.addModule(v.details, i); + } + m._inspected = true; + } + } + } + }, + /* + * returns true if b is not loaded, and is required directly or by means of modules it supersedes. + * @private + * @method _requires + * @param {String} mod1 The first module to compare + * @param {String} mod2 The second module to compare + */ + _requires: function(mod1, mod2) { + + var i, rm, after_map, s, + info = this.moduleInfo, + m = info[mod1], + other = info[mod2]; + + if (!m || !other) { + return false; + } + + rm = m.expanded_map; + after_map = m.after_map; + + // check if this module should be sorted after the other + // do this first to short circut circular deps + if (after_map && (mod2 in after_map)) { + return true; + } + + after_map = other.after_map; + + // and vis-versa + if (after_map && (mod1 in after_map)) { + return false; + } + + // check if this module requires one the other supersedes + s = info[mod2] && info[mod2].supersedes; + if (s) { + for (i = 0; i < s.length; i++) { + if (this._requires(mod1, s[i])) { + return true; + } + } + } + + s = info[mod1] && info[mod1].supersedes; + if (s) { + for (i = 0; i < s.length; i++) { + if (this._requires(mod2, s[i])) { + return false; + } + } + } + + // check if this module requires the other directly + // if (r && yArray.indexOf(r, mod2) > -1) { + if (rm && (mod2 in rm)) { + return true; + } + + // external css files should be sorted below yui css + if (m.ext && m.type === CSS && !other.ext && other.type === CSS) { + return true; + } + + return false; + }, + /** + * Apply a new config to the Loader instance + * @method _config + * @private + * @param {Object} o The new configuration + */ + _config: function(o) { + var i, j, val, a, f, group, groupName, self = this, + mods = [], mod; + // apply config values + if (o) { + for (i in o) { + if (o.hasOwnProperty(i)) { + val = o[i]; + //TODO This should be a case + if (i === 'require') { + self.require(val); + } else if (i === 'skin') { + //If the config.skin is a string, format to the expected object + if (typeof val === 'string') { + self.skin.defaultSkin = o.skin; + val = { + defaultSkin: val + }; + } + + Y.mix(self.skin, val, true); + } else if (i === 'groups') { + for (j in val) { + if (val.hasOwnProperty(j)) { + // Y.log('group: ' + j); + groupName = j; + group = val[j]; + self.addGroup(group, groupName); + if (group.aliases) { + for (a in group.aliases) { + if (group.aliases.hasOwnProperty(a)) { + self.addAlias(group.aliases[a], a); + } + } + } + } + } + + } else if (i === 'modules') { + // add a hash of module definitions + for (j in val) { + if (val.hasOwnProperty(j)) { + self.addModule(val[j], j); + } + } + } else if (i === 'aliases') { + for (j in val) { + if (val.hasOwnProperty(j)) { + self.addAlias(val[j], j); + } + } + } else if (i === 'gallery') { + if (this.groups.gallery.update) { + this.groups.gallery.update(val, o); + } + } else if (i === 'yui2' || i === '2in3') { + if (this.groups.yui2.update) { + this.groups.yui2.update(o['2in3'], o.yui2, o); + } + } else { + self[i] = val; + } + } + } + } + + // fix filter + f = self.filter; + + if (L.isString(f)) { + f = f.toUpperCase(); + self.filterName = f; + self.filter = self.FILTER_DEFS[f]; + if (f === 'DEBUG') { + self.require('yui-log', 'dump'); + } + } + + if (self.filterName && self.coverage) { + if (self.filterName === 'COVERAGE' && L.isArray(self.coverage) && self.coverage.length) { + for (i = 0; i < self.coverage.length; i++) { + mod = self.coverage[i]; + if (self.moduleInfo[mod] && self.moduleInfo[mod].use) { + mods = [].concat(mods, self.moduleInfo[mod].use); + } else { + mods.push(mod); + } + } + self.filters = self.filters || {}; + Y.Array.each(mods, function(mod) { + self.filters[mod] = self.FILTER_DEFS.COVERAGE; + }); + self.filterName = 'RAW'; + self.filter = self.FILTER_DEFS[self.filterName]; + } + } + + }, + + /** + * Returns the skin module name for the specified skin name. If a + * module name is supplied, the returned skin module name is + * specific to the module passed in. + * @method formatSkin + * @param {string} skin the name of the skin. + * @param {string} mod optional: the name of a module to skin. + * @return {string} the full skin module name. + */ + formatSkin: function(skin, mod) { + var s = SKIN_PREFIX + skin; + if (mod) { + s = s + '-' + mod; + } + + return s; + }, + + /** + * Adds the skin def to the module info + * @method _addSkin + * @param {string} skin the name of the skin. + * @param {string} mod the name of the module. + * @param {string} parent parent module if this is a skin of a + * submodule or plugin. + * @return {string} the module name for the skin. + * @private + */ + _addSkin: function(skin, mod, parent) { + var mdef, pkg, name, nmod, + info = this.moduleInfo, + sinf = this.skin, + ext = info[mod] && info[mod].ext; + + // Add a module definition for the module-specific skin css + if (mod) { + name = this.formatSkin(skin, mod); + if (!info[name]) { + mdef = info[mod]; + pkg = mdef.pkg || mod; + nmod = { + skin: true, + name: name, + group: mdef.group, + type: 'css', + after: sinf.after, + path: (parent || pkg) + '/' + sinf.base + skin + + '/' + mod + '.css', + ext: ext + }; + if (mdef.base) { + nmod.base = mdef.base; + } + if (mdef.configFn) { + nmod.configFn = mdef.configFn; + } + this.addModule(nmod, name); + + Y.log('Adding skin (' + name + '), ' + parent + ', ' + pkg + ', ' + info[name].path, 'info', 'loader'); + } + } + + return name; + }, + /** + * Adds an alias module to the system + * @method addAlias + * @param {Array} use An array of modules that makes up this alias + * @param {String} name The name of the alias + * @example + * var loader = new Y.Loader({}); + * loader.addAlias([ 'node', 'yql' ], 'davglass'); + * loader.require(['davglass']); + * var out = loader.resolve(true); + * + * //out.js will contain Node and YQL modules + */ + addAlias: function(use, name) { + YUI.Env.aliases[name] = use; + this.addModule({ + name: name, + use: use + }); + }, + /** + * Add a new module group + * @method addGroup + * @param {Object} config An object containing the group configuration data + * @param {String} config.name required, the group name + * @param {String} config.base The base directory for this module group + * @param {String} config.root The root path to add to each combo resource path + * @param {Boolean} config.combine Should the request be combined + * @param {String} config.comboBase Combo service base path + * @param {Object} config.modules The group of modules + * @param {String} name the group name. + * @example + * var loader = new Y.Loader({}); + * loader.addGroup({ + * name: 'davglass', + * combine: true, + * comboBase: '/combo?', + * root: '', + * modules: { + * //Module List here + * } + * }, 'davglass'); + */ + addGroup: function(o, name) { + var mods = o.modules, + self = this, i, v; + + name = name || o.name; + o.name = name; + self.groups[name] = o; + + if (o.patterns) { + for (i in o.patterns) { + if (o.patterns.hasOwnProperty(i)) { + o.patterns[i].group = name; + self.patterns[i] = o.patterns[i]; + } + } + } + + if (mods) { + for (i in mods) { + if (mods.hasOwnProperty(i)) { + v = mods[i]; + if (typeof v === 'string') { + v = { name: i, fullpath: v }; + } + v.group = name; + self.addModule(v, i); + } + } + } + }, + + /** + * Add a new module to the component metadata. + * @method addModule + * @param {Object} config An object containing the module data. + * @param {String} config.name Required, the component name + * @param {String} config.type Required, the component type (js or css) + * @param {String} config.path Required, the path to the script from `base` + * @param {Array} config.requires Array of modules required by this component + * @param {Array} [config.optional] Array of optional modules for this component + * @param {Array} [config.supersedes] Array of the modules this component replaces + * @param {Array} [config.after] Array of modules the components which, if present, should be sorted above this one + * @param {Object} [config.after_map] Faster alternative to 'after' -- supply a hash instead of an array + * @param {Number} [config.rollup] The number of superseded modules required for automatic rollup + * @param {String} [config.fullpath] If `fullpath` is specified, this is used instead of the configured `base + path` + * @param {Boolean} [config.skinnable] Flag to determine if skin assets should automatically be pulled in + * @param {Object} [config.submodules] Hash of submodules + * @param {String} [config.group] The group the module belongs to -- this is set automatically when it is added as part of a group configuration. + * @param {Array} [config.lang] Array of BCP 47 language tags of languages for which this module has localized resource bundles, e.g., `["en-GB", "zh-Hans-CN"]` + * @param {Object} [config.condition] Specifies that the module should be loaded automatically if a condition is met. This is an object with up to four fields: + * @param {String} [config.condition.trigger] The name of a module that can trigger the auto-load + * @param {Function} [config.condition.test] A function that returns true when the module is to be loaded. + * @param {String} [config.condition.ua] The UA name of Y.UA object that returns true when the module is to be loaded. e.g., `"ie"`, `"nodejs"`. + * @param {String} [config.condition.when] Specifies the load order of the conditional module + * with regard to the position of the trigger module. + * This should be one of three values: `before`, `after`, or `instead`. The default is `after`. + * @param {Object} [config.testresults] A hash of test results from `Y.Features.all()` + * @param {Function} [config.configFn] A function to exectute when configuring this module + * @param {Object} config.configFn.mod The module config, modifying this object will modify it's config. Returning false will delete the module's config. + * @param {String} [name] The module name, required if not in the module data. + * @return {Object} the module definition or null if the object passed in did not provide all required attributes. + */ + addModule: function(o, name) { + name = name || o.name; + + if (typeof o === 'string') { + o = { name: name, fullpath: o }; + } + + + var subs, i, l, t, sup, s, smod, plugins, plug, + j, langs, packName, supName, flatSup, flatLang, lang, ret, + overrides, skinname, when, g, p, + conditions = this.conditions, trigger; + + //Only merge this data if the temp flag is set + //from an earlier pass from a pattern or else + //an override module (YUI_config) can not be used to + //replace a default module. + if (this.moduleInfo[name] && this.moduleInfo[name].temp) { + //This catches temp modules loaded via a pattern + // The module will be added twice, once from the pattern and + // Once from the actual add call, this ensures that properties + // that were added to the module the first time around (group: gallery) + // are also added the second time around too. + o = Y.merge(this.moduleInfo[name], o); + } + + o.name = name; + + if (!o || !o.name) { + return null; + } + + if (!o.type) { + //Always assume it's javascript unless the CSS pattern is matched. + o.type = JS; + p = o.path || o.fullpath; + if (p && this.REGEX_CSS.test(p)) { + Y.log('Auto determined module type as CSS', 'warn', 'loader'); + o.type = CSS; + } + } + + if (!o.path && !o.fullpath) { + o.path = _path(name, name, o.type); + } + o.supersedes = o.supersedes || o.use; + + o.ext = ('ext' in o) ? o.ext : (this._internal) ? false : true; + + // Handle submodule logic + subs = o.submodules; + + this.moduleInfo[name] = o; + + o.requires = o.requires || []; + + /* + Only allowing the cascade of requires information, since + optional and supersedes are far more fine grained than + a blanket requires is. + */ + if (this.requires) { + for (i = 0; i < this.requires.length; i++) { + o.requires.push(this.requires[i]); + } + } + if (o.group && this.groups && this.groups[o.group]) { + g = this.groups[o.group]; + if (g.requires) { + for (i = 0; i < g.requires.length; i++) { + o.requires.push(g.requires[i]); + } + } + } + + + if (!o.defaults) { + o.defaults = { + requires: o.requires ? [].concat(o.requires) : null, + supersedes: o.supersedes ? [].concat(o.supersedes) : null, + optional: o.optional ? [].concat(o.optional) : null + }; + } + + if (o.skinnable && o.ext && o.temp) { + skinname = this._addSkin(this.skin.defaultSkin, name); + o.requires.unshift(skinname); + } + + if (o.requires.length) { + o.requires = this.filterRequires(o.requires) || []; + } + + if (!o.langPack && o.lang) { + langs = yArray(o.lang); + for (j = 0; j < langs.length; j++) { + lang = langs[j]; + packName = this.getLangPackName(lang, name); + smod = this.moduleInfo[packName]; + if (!smod) { + smod = this._addLangPack(lang, o, packName); + } + } + } + + + if (subs) { + sup = o.supersedes || []; + l = 0; + + for (i in subs) { + if (subs.hasOwnProperty(i)) { + s = subs[i]; + + s.path = s.path || _path(name, i, o.type); + s.pkg = name; + s.group = o.group; + + if (s.supersedes) { + sup = sup.concat(s.supersedes); + } + + smod = this.addModule(s, i); + sup.push(i); + + if (smod.skinnable) { + o.skinnable = true; + overrides = this.skin.overrides; + if (overrides && overrides[i]) { + for (j = 0; j < overrides[i].length; j++) { + skinname = this._addSkin(overrides[i][j], + i, name); + sup.push(skinname); + } + } + skinname = this._addSkin(this.skin.defaultSkin, + i, name); + sup.push(skinname); + } + + // looks like we are expected to work out the metadata + // for the parent module language packs from what is + // specified in the child modules. + if (s.lang && s.lang.length) { + + langs = yArray(s.lang); + for (j = 0; j < langs.length; j++) { + lang = langs[j]; + packName = this.getLangPackName(lang, name); + supName = this.getLangPackName(lang, i); + smod = this.moduleInfo[packName]; + + if (!smod) { + smod = this._addLangPack(lang, o, packName); + } + + flatSup = flatSup || yArray.hash(smod.supersedes); + + if (!(supName in flatSup)) { + smod.supersedes.push(supName); + } + + o.lang = o.lang || []; + + flatLang = flatLang || yArray.hash(o.lang); + + if (!(lang in flatLang)) { + o.lang.push(lang); + } + +// Y.log('pack ' + packName + ' should supersede ' + supName); +// Add rollup file, need to add to supersedes list too + + // default packages + packName = this.getLangPackName(ROOT_LANG, name); + supName = this.getLangPackName(ROOT_LANG, i); + + smod = this.moduleInfo[packName]; + + if (!smod) { + smod = this._addLangPack(lang, o, packName); + } + + if (!(supName in flatSup)) { + smod.supersedes.push(supName); + } + +// Y.log('pack ' + packName + ' should supersede ' + supName); +// Add rollup file, need to add to supersedes list too + + } + } + + l++; + } + } + //o.supersedes = YObject.keys(yArray.hash(sup)); + o.supersedes = yArray.dedupe(sup); + if (this.allowRollup) { + o.rollup = (l < 4) ? l : Math.min(l - 1, 4); + } + } + + plugins = o.plugins; + if (plugins) { + for (i in plugins) { + if (plugins.hasOwnProperty(i)) { + plug = plugins[i]; + plug.pkg = name; + plug.path = plug.path || _path(name, i, o.type); + plug.requires = plug.requires || []; + plug.group = o.group; + this.addModule(plug, i); + if (o.skinnable) { + this._addSkin(this.skin.defaultSkin, i, name); + } + + } + } + } + + if (o.condition) { + t = o.condition.trigger; + if (YUI.Env.aliases[t]) { + t = YUI.Env.aliases[t]; + } + if (!Y.Lang.isArray(t)) { + t = [t]; + } + + for (i = 0; i < t.length; i++) { + trigger = t[i]; + when = o.condition.when; + conditions[trigger] = conditions[trigger] || {}; + conditions[trigger][name] = o.condition; + // the 'when' attribute can be 'before', 'after', or 'instead' + // the default is after. + if (when && when !== 'after') { + if (when === 'instead') { // replace the trigger + o.supersedes = o.supersedes || []; + o.supersedes.push(trigger); + } + // before the trigger + // the trigger requires the conditional mod, + // so it should appear before the conditional + // mod if we do not intersede. + } else { // after the trigger + o.after = o.after || []; + o.after.push(trigger); + } + } + } + + if (o.supersedes) { + o.supersedes = this.filterRequires(o.supersedes); + } + + if (o.after) { + o.after = this.filterRequires(o.after); + o.after_map = yArray.hash(o.after); + } + + // this.dirty = true; + + if (o.configFn) { + ret = o.configFn(o); + if (ret === false) { + Y.log('Config function returned false for ' + name + ', skipping.', 'info', 'loader'); + delete this.moduleInfo[name]; + delete GLOBAL_ENV._renderedMods[name]; + o = null; + } + } + //Add to global cache + if (o) { + if (!GLOBAL_ENV._renderedMods) { + GLOBAL_ENV._renderedMods = {}; + } + GLOBAL_ENV._renderedMods[name] = Y.mix(GLOBAL_ENV._renderedMods[name] || {}, o); + GLOBAL_ENV._conditions = conditions; + } + + return o; + }, + + /** + * Add a requirement for one or more module + * @method require + * @param {string[] | string*} what the modules to load. + */ + require: function(what) { + var a = (typeof what === 'string') ? yArray(arguments) : what; + this.dirty = true; + this.required = Y.merge(this.required, yArray.hash(this.filterRequires(a))); + + this._explodeRollups(); + }, + /** + * Grab all the items that were asked for, check to see if the Loader + * meta-data contains a "use" array. If it doesm remove the asked item and replace it with + * the content of the "use". + * This will make asking for: "dd" + * Actually ask for: "dd-ddm-base,dd-ddm,dd-ddm-drop,dd-drag,dd-proxy,dd-constrain,dd-drop,dd-scroll,dd-drop-plugin" + * @private + * @method _explodeRollups + */ + _explodeRollups: function() { + var self = this, m, m2, i, a, v, len, len2, + r = self.required; + + if (!self.allowRollup) { + for (i in r) { + if (r.hasOwnProperty(i)) { + m = self.getModule(i); + if (m && m.use) { + len = m.use.length; + for (a = 0; a < len; a++) { + m2 = self.getModule(m.use[a]); + if (m2 && m2.use) { + len2 = m2.use.length; + for (v = 0; v < len2; v++) { + r[m2.use[v]] = true; + } + } else { + r[m.use[a]] = true; + } + } + } + } + } + self.required = r; + } + + }, + /** + * Explodes the required array to remove aliases and replace them with real modules + * @method filterRequires + * @param {Array} r The original requires array + * @return {Array} The new array of exploded requirements + */ + filterRequires: function(r) { + if (r) { + if (!Y.Lang.isArray(r)) { + r = [r]; + } + r = Y.Array(r); + var c = [], i, mod, o, m; + + for (i = 0; i < r.length; i++) { + mod = this.getModule(r[i]); + if (mod && mod.use) { + for (o = 0; o < mod.use.length; o++) { + //Must walk the other modules in case a module is a rollup of rollups (datatype) + m = this.getModule(mod.use[o]); + if (m && m.use && (m.name !== mod.name)) { + c = Y.Array.dedupe([].concat(c, this.filterRequires(m.use))); + } else { + c.push(mod.use[o]); + } + } + } else { + c.push(r[i]); + } + } + r = c; + } + return r; + }, + /** + * Returns an object containing properties for all modules required + * in order to load the requested module + * @method getRequires + * @param {object} mod The module definition from moduleInfo. + * @return {array} the expanded requirement list. + */ + getRequires: function(mod) { + + if (!mod) { + //console.log('returning no reqs for ' + mod.name); + return NO_REQUIREMENTS; + } + + if (mod._parsed) { + //console.log('returning requires for ' + mod.name, mod.requires); + return mod.expanded || NO_REQUIREMENTS; + } + + //TODO add modue cache here out of scope.. + + var i, m, j, add, packName, lang, testresults = this.testresults, + name = mod.name, cond, + adddef = ON_PAGE[name] && ON_PAGE[name].details, + d, go, def, + r, old_mod, + o, skinmod, skindef, skinpar, skinname, + intl = mod.lang || mod.intl, + info = this.moduleInfo, + ftests = Y.Features && Y.Features.tests.load, + hash, reparse; + + // console.log(name); + + // pattern match leaves module stub that needs to be filled out + if (mod.temp && adddef) { + old_mod = mod; + mod = this.addModule(adddef, name); + mod.group = old_mod.group; + mod.pkg = old_mod.pkg; + delete mod.expanded; + } + + // console.log('cache: ' + mod.langCache + ' == ' + this.lang); + + //If a skin or a lang is different, reparse.. + reparse = !((!this.lang || mod.langCache === this.lang) && (mod.skinCache === this.skin.defaultSkin)); + + if (mod.expanded && !reparse) { + //Y.log('Already expanded ' + name + ', ' + mod.expanded); + return mod.expanded; + } + + + d = []; + hash = {}; + r = this.filterRequires(mod.requires); + if (mod.lang) { + //If a module has a lang attribute, auto add the intl requirement. + d.unshift('intl'); + r.unshift('intl'); + intl = true; + } + o = this.filterRequires(mod.optional); + + // Y.log("getRequires: " + name + " (dirty:" + this.dirty + + // ", expanded:" + mod.expanded + ")"); + + mod._parsed = true; + mod.langCache = this.lang; + mod.skinCache = this.skin.defaultSkin; + + for (i = 0; i < r.length; i++) { + //Y.log(name + ' requiring ' + r[i], 'info', 'loader'); + if (!hash[r[i]]) { + d.push(r[i]); + hash[r[i]] = true; + m = this.getModule(r[i]); + if (m) { + add = this.getRequires(m); + intl = intl || (m.expanded_map && + (INTL in m.expanded_map)); + for (j = 0; j < add.length; j++) { + d.push(add[j]); + } + } + } + } + + // get the requirements from superseded modules, if any + r = this.filterRequires(mod.supersedes); + if (r) { + for (i = 0; i < r.length; i++) { + if (!hash[r[i]]) { + // if this module has submodules, the requirements list is + // expanded to include the submodules. This is so we can + // prevent dups when a submodule is already loaded and the + // parent is requested. + if (mod.submodules) { + d.push(r[i]); + } + + hash[r[i]] = true; + m = this.getModule(r[i]); + + if (m) { + add = this.getRequires(m); + intl = intl || (m.expanded_map && + (INTL in m.expanded_map)); + for (j = 0; j < add.length; j++) { + d.push(add[j]); + } + } + } + } + } + + if (o && this.loadOptional) { + for (i = 0; i < o.length; i++) { + if (!hash[o[i]]) { + d.push(o[i]); + hash[o[i]] = true; + m = info[o[i]]; + if (m) { + add = this.getRequires(m); + intl = intl || (m.expanded_map && + (INTL in m.expanded_map)); + for (j = 0; j < add.length; j++) { + d.push(add[j]); + } + } + } + } + } + + cond = this.conditions[name]; + + if (cond) { + //Set the module to not parsed since we have conditionals and this could change the dependency tree. + mod._parsed = false; + if (testresults && ftests) { + oeach(testresults, function(result, id) { + var condmod = ftests[id].name; + if (!hash[condmod] && ftests[id].trigger === name) { + if (result && ftests[id]) { + hash[condmod] = true; + d.push(condmod); + } + } + }); + } else { + for (i in cond) { + if (cond.hasOwnProperty(i)) { + if (!hash[i]) { + def = cond[i]; + //first see if they've specfied a ua check + //then see if they've got a test fn & if it returns true + //otherwise just having a condition block is enough + go = def && ((!def.ua && !def.test) || (def.ua && Y.UA[def.ua]) || + (def.test && def.test(Y, r))); + + if (go) { + hash[i] = true; + d.push(i); + m = this.getModule(i); + if (m) { + add = this.getRequires(m); + for (j = 0; j < add.length; j++) { + d.push(add[j]); + } + + } + } + } + } + } + } + } + + // Create skin modules + if (mod.skinnable) { + skindef = this.skin.overrides; + for (i in YUI.Env.aliases) { + if (YUI.Env.aliases.hasOwnProperty(i)) { + if (Y.Array.indexOf(YUI.Env.aliases[i], name) > -1) { + skinpar = i; + } + } + } + if (skindef && (skindef[name] || (skinpar && skindef[skinpar]))) { + skinname = name; + if (skindef[skinpar]) { + skinname = skinpar; + } + for (i = 0; i < skindef[skinname].length; i++) { + skinmod = this._addSkin(skindef[skinname][i], name); + if (!this.isCSSLoaded(skinmod, this._boot)) { + d.push(skinmod); + } + } + } else { + skinmod = this._addSkin(this.skin.defaultSkin, name); + if (!this.isCSSLoaded(skinmod, this._boot)) { + d.push(skinmod); + } + } + } + + mod._parsed = false; + + if (intl) { + + if (mod.lang && !mod.langPack && Y.Intl) { + lang = Y.Intl.lookupBestLang(this.lang || ROOT_LANG, mod.lang); + //Y.log('Best lang: ' + lang + ', this.lang: ' + this.lang + ', mod.lang: ' + mod.lang); + packName = this.getLangPackName(lang, name); + if (packName) { + d.unshift(packName); + } + } + d.unshift(INTL); + } + + mod.expanded_map = yArray.hash(d); + + mod.expanded = YObject.keys(mod.expanded_map); + + return mod.expanded; + }, + /** + * Check to see if named css module is already loaded on the page + * @method isCSSLoaded + * @param {String} name The name of the css file + * @return Boolean + */ + isCSSLoaded: function(name, skip) { + //TODO - Make this call a batching call with name being an array + if (!name || !YUI.Env.cssStampEl || (!skip && this.ignoreRegistered)) { + Y.log('isCSSLoaded was skipped for ' + name, 'warn', 'loader'); + return false; + } + var el = YUI.Env.cssStampEl, + ret = false, + mod = YUI.Env._cssLoaded[name], + style = el.currentStyle; //IE + + + if (mod !== undefined) { + //Y.log('isCSSLoaded was cached for ' + name, 'warn', 'loader'); + return mod; + } + + //Add the classname to the element + el.className = name; + + if (!style) { + style = Y.config.doc.defaultView.getComputedStyle(el, null); + } + + if (style && style.display === 'none') { + ret = true; + } + + Y.log('Has Skin? ' + name + ' : ' + ret, 'info', 'loader'); + + el.className = ''; //Reset the classname to '' + + YUI.Env._cssLoaded[name] = ret; + + return ret; + }, + + /** + * Returns a hash of module names the supplied module satisfies. + * @method getProvides + * @param {string} name The name of the module. + * @return {object} what this module provides. + */ + getProvides: function(name) { + var m = this.getModule(name), o, s; + // supmap = this.provides; + + if (!m) { + return NOT_FOUND; + } + + if (m && !m.provides) { + o = {}; + s = m.supersedes; + + if (s) { + yArray.each(s, function(v) { + Y.mix(o, this.getProvides(v)); + }, this); + } + + o[name] = true; + m.provides = o; + + } + + return m.provides; + }, + + /** + * Calculates the dependency tree, the result is stored in the sorted + * property. + * @method calculate + * @param {object} o optional options object. + * @param {string} type optional argument to prune modules. + */ + calculate: function(o, type) { + if (o || type || this.dirty) { + + if (o) { + this._config(o); + } + + if (!this._init) { + this._setup(); + } + + this._explode(); + + if (this.allowRollup) { + this._rollup(); + } else { + this._explodeRollups(); + } + this._reduce(); + this._sort(); + } + }, + /** + * Creates a "psuedo" package for languages provided in the lang array + * @method _addLangPack + * @private + * @param {String} lang The language to create + * @param {Object} m The module definition to create the language pack around + * @param {String} packName The name of the package (e.g: lang/datatype-date-en-US) + * @return {Object} The module definition + */ + _addLangPack: function(lang, m, packName) { + var name = m.name, + packPath, conf, + existing = this.moduleInfo[packName]; + + if (!existing) { + + packPath = _path((m.pkg || name), packName, JS, true); + + conf = { + path: packPath, + intl: true, + langPack: true, + ext: m.ext, + group: m.group, + supersedes: [] + }; + if (m.root) { + conf.root = m.root; + } + if (m.base) { + conf.base = m.base; + } + + if (m.configFn) { + conf.configFn = m.configFn; + } + + this.addModule(conf, packName); + + if (lang) { + Y.Env.lang = Y.Env.lang || {}; + Y.Env.lang[lang] = Y.Env.lang[lang] || {}; + Y.Env.lang[lang][name] = true; + } + } + + return this.moduleInfo[packName]; + }, + + /** + * Investigates the current YUI configuration on the page. By default, + * modules already detected will not be loaded again unless a force + * option is encountered. Called by calculate() + * @method _setup + * @private + */ + _setup: function() { + var info = this.moduleInfo, name, i, j, m, l, + packName; + + for (name in info) { + if (info.hasOwnProperty(name)) { + m = info[name]; + if (m) { + + // remove dups + //m.requires = YObject.keys(yArray.hash(m.requires)); + m.requires = yArray.dedupe(m.requires); + + // Create lang pack modules + //if (m.lang && m.lang.length) { + if (m.lang) { + // Setup root package if the module has lang defined, + // it needs to provide a root language pack + packName = this.getLangPackName(ROOT_LANG, name); + this._addLangPack(null, m, packName); + } + + } + } + } + + + //l = Y.merge(this.inserted); + l = {}; + + // available modules + if (!this.ignoreRegistered) { + Y.mix(l, GLOBAL_ENV.mods); + } + + // add the ignore list to the list of loaded packages + if (this.ignore) { + Y.mix(l, yArray.hash(this.ignore)); + } + + // expand the list to include superseded modules + for (j in l) { + if (l.hasOwnProperty(j)) { + Y.mix(l, this.getProvides(j)); + } + } + + // remove modules on the force list from the loaded list + if (this.force) { + for (i = 0; i < this.force.length; i++) { + if (this.force[i] in l) { + delete l[this.force[i]]; + } + } + } + + Y.mix(this.loaded, l); + + this._init = true; + }, + + /** + * Builds a module name for a language pack + * @method getLangPackName + * @param {string} lang the language code. + * @param {string} mname the module to build it for. + * @return {string} the language pack module name. + */ + getLangPackName: function(lang, mname) { + return ('lang/' + mname + ((lang) ? '_' + lang : '')); + }, + /** + * Inspects the required modules list looking for additional + * dependencies. Expands the required list to include all + * required modules. Called by calculate() + * @method _explode + * @private + */ + _explode: function() { + //TODO Move done out of scope + var r = this.required, m, reqs, done = {}, + self = this, name, expound; + + // the setup phase is over, all modules have been created + self.dirty = false; + + self._explodeRollups(); + r = self.required; + + for (name in r) { + if (r.hasOwnProperty(name)) { + if (!done[name]) { + done[name] = true; + m = self.getModule(name); + if (m) { + expound = m.expound; + + if (expound) { + r[expound] = self.getModule(expound); + reqs = self.getRequires(r[expound]); + Y.mix(r, yArray.hash(reqs)); + } + + reqs = self.getRequires(m); + Y.mix(r, yArray.hash(reqs)); + } + } + } + } + + // Y.log('After explode: ' + YObject.keys(r)); + }, + /** + * The default method used to test a module against a pattern + * @method _patternTest + * @private + * @param {String} mname The module being tested + * @param {String} pname The pattern to match + */ + _patternTest: function(mname, pname) { + return (mname.indexOf(pname) > -1); + }, + /** + * Get's the loader meta data for the requested module + * @method getModule + * @param {String} mname The module name to get + * @return {Object} The module metadata + */ + getModule: function(mname) { + //TODO: Remove name check - it's a quick hack to fix pattern WIP + if (!mname) { + return null; + } + + var p, found, pname, + m = this.moduleInfo[mname], + patterns = this.patterns; + + // check the patterns library to see if we should automatically add + // the module with defaults + if (!m || (m && m.ext)) { + // Y.log('testing patterns ' + YObject.keys(patterns)); + for (pname in patterns) { + if (patterns.hasOwnProperty(pname)) { + // Y.log('testing pattern ' + i); + p = patterns[pname]; + + //There is no test method, create a default one that tests + // the pattern against the mod name + if (!p.test) { + p.test = this._patternTest; + } + + if (p.test(mname, pname)) { + // use the metadata supplied for the pattern + // as the module definition. + found = p; + break; + } + } + } + } + + if (!m) { + if (found) { + if (p.action) { + // Y.log('executing pattern action: ' + pname); + p.action.call(this, mname, pname); + } else { +Y.log('Undefined module: ' + mname + ', matched a pattern: ' + + pname, 'info', 'loader'); + // ext true or false? + m = this.addModule(Y.merge(found), mname); + if (found.configFn) { + m.configFn = found.configFn; + } + m.temp = true; + } + } + } else { + if (found && m && found.configFn && !m.configFn) { + m.configFn = found.configFn; + m.configFn(m); + } + } + + return m; + }, + + // impl in rollup submodule + _rollup: function() { }, + + /** + * Remove superceded modules and loaded modules. Called by + * calculate() after we have the mega list of all dependencies + * @method _reduce + * @return {object} the reduced dependency hash. + * @private + */ + _reduce: function(r) { + + r = r || this.required; + + var i, j, s, m, type = this.loadType, + ignore = this.ignore ? yArray.hash(this.ignore) : false; + + for (i in r) { + if (r.hasOwnProperty(i)) { + m = this.getModule(i); + // remove if already loaded + if (((this.loaded[i] || ON_PAGE[i]) && + !this.forceMap[i] && !this.ignoreRegistered) || + (type && m && m.type !== type)) { + delete r[i]; + } + if (ignore && ignore[i]) { + delete r[i]; + } + // remove anything this module supersedes + s = m && m.supersedes; + if (s) { + for (j = 0; j < s.length; j++) { + if (s[j] in r) { + delete r[s[j]]; + } + } + } + } + } + + return r; + }, + /** + * Handles the queue when a module has been loaded for all cases + * @method _finish + * @private + * @param {String} msg The message from Loader + * @param {Boolean} success A boolean denoting success or failure + */ + _finish: function(msg, success) { + Y.log('loader finishing: ' + msg + ', ' + Y.id + ', ' + + this.data, 'info', 'loader'); + + _queue.running = false; + + var onEnd = this.onEnd; + if (onEnd) { + onEnd.call(this.context, { + msg: msg, + data: this.data, + success: success + }); + } + this._continue(); + }, + /** + * The default Loader onSuccess handler, calls this.onSuccess with a payload + * @method _onSuccess + * @private + */ + _onSuccess: function() { + var self = this, skipped = Y.merge(self.skipped), fn, + failed = [], rreg = self.requireRegistration, + success, msg, i, mod; + + for (i in skipped) { + if (skipped.hasOwnProperty(i)) { + delete self.inserted[i]; + } + } + + self.skipped = {}; + + for (i in self.inserted) { + if (self.inserted.hasOwnProperty(i)) { + mod = self.getModule(i); + if (mod && rreg && mod.type === JS && !(i in YUI.Env.mods)) { + failed.push(i); + } else { + Y.mix(self.loaded, self.getProvides(i)); + } + } + } + + fn = self.onSuccess; + msg = (failed.length) ? 'notregistered' : 'success'; + success = !(failed.length); + if (fn) { + fn.call(self.context, { + msg: msg, + data: self.data, + success: success, + failed: failed, + skipped: skipped + }); + } + self._finish(msg, success); + }, + /** + * The default Loader onProgress handler, calls this.onProgress with a payload + * @method _onProgress + * @private + */ + _onProgress: function(e) { + var self = this, i; + //set the internal cache to what just came in. + if (e.data && e.data.length) { + for (i = 0; i < e.data.length; i++) { + e.data[i] = self.getModule(e.data[i].name); + } + } + if (self.onProgress) { + self.onProgress.call(self.context, { + name: e.url, + data: e.data + }); + } + }, + /** + * The default Loader onFailure handler, calls this.onFailure with a payload + * @method _onFailure + * @private + */ + _onFailure: function(o) { + var f = this.onFailure, msg = [], i = 0, len = o.errors.length; + + for (i; i < len; i++) { + msg.push(o.errors[i].error); + } + + msg = msg.join(','); + + Y.log('load error: ' + msg + ', ' + Y.id, 'error', 'loader'); + + if (f) { + f.call(this.context, { + msg: msg, + data: this.data, + success: false + }); + } + + this._finish(msg, false); + + }, + + /** + * The default Loader onTimeout handler, calls this.onTimeout with a payload + * @method _onTimeout + * @param {Get.Transaction} transaction The Transaction object from `Y.Get` + * @private + */ + _onTimeout: function(transaction) { + Y.log('loader timeout: ' + Y.id, 'error', 'loader'); + var f = this.onTimeout; + if (f) { + f.call(this.context, { + msg: 'timeout', + data: this.data, + success: false, + transaction: transaction + }); + } + }, + + /** + * Sorts the dependency tree. The last step of calculate() + * @method _sort + * @private + */ + _sort: function() { + + // create an indexed list + var s = YObject.keys(this.required), + // loaded = this.loaded, + //TODO Move this out of scope + done = {}, + p = 0, l, a, b, j, k, moved, doneKey; + + // keep going until we make a pass without moving anything + for (;;) { + + l = s.length; + moved = false; + + // start the loop after items that are already sorted + for (j = p; j < l; j++) { + + // check the next module on the list to see if its + // dependencies have been met + a = s[j]; + + // check everything below current item and move if we + // find a requirement for the current item + for (k = j + 1; k < l; k++) { + doneKey = a + s[k]; + + if (!done[doneKey] && this._requires(a, s[k])) { + + // extract the dependency so we can move it up + b = s.splice(k, 1); + + // insert the dependency above the item that + // requires it + s.splice(j, 0, b[0]); + + // only swap two dependencies once to short circut + // circular dependencies + done[doneKey] = true; + + // keep working + moved = true; + + break; + } + } + + // jump out of loop if we moved something + if (moved) { + break; + // this item is sorted, move our pointer and keep going + } else { + p++; + } + } + + // when we make it here and moved is false, we are + // finished sorting + if (!moved) { + break; + } + + } + + this.sorted = s; + }, + + /** + * Handles the actual insertion of script/link tags + * @method _insert + * @private + * @param {Object} source The YUI instance the request came from + * @param {Object} o The metadata to include + * @param {String} type JS or CSS + * @param {Boolean} [skipcalc=false] Do a Loader.calculate on the meta + */ + _insert: function(source, o, type, skipcalc) { + + Y.log('private _insert() ' + (type || '') + ', ' + Y.id, "info", "loader"); + + // restore the state at the time of the request + if (source) { + this._config(source); + } + + // build the dependency list + // don't include type so we can process CSS and script in + // one pass when the type is not specified. + + var modules = this.resolve(!skipcalc), + self = this, comp = 0, actions = 0, + mods = {}, deps, complete; + + self._refetch = []; + + if (type) { + //Filter out the opposite type and reset the array so the checks later work + modules[((type === JS) ? CSS : JS)] = []; + } + if (!self.fetchCSS) { + modules.css = []; + } + if (modules.js.length) { + comp++; + } + if (modules.css.length) { + comp++; + } + + //console.log('Resolved Modules: ', modules); + + complete = function(d) { + actions++; + var errs = {}, i = 0, o = 0, u = '', fn, + modName, resMods; + + if (d && d.errors) { + for (i = 0; i < d.errors.length; i++) { + if (d.errors[i].request) { + u = d.errors[i].request.url; + } else { + u = d.errors[i]; + } + errs[u] = u; + } + } + + if (d && d.data && d.data.length && (d.type === 'success')) { + for (i = 0; i < d.data.length; i++) { + self.inserted[d.data[i].name] = true; + //If the external module has a skin or a lang, reprocess it + if (d.data[i].lang || d.data[i].skinnable) { + delete self.inserted[d.data[i].name]; + self._refetch.push(d.data[i].name); + } + } + } + + if (actions === comp) { + self._loading = null; + Y.log('Loader actions complete!', 'info', 'loader'); + if (self._refetch.length) { + //Get the deps for the new meta-data and reprocess + Y.log('Found potential modules to refetch', 'info', 'loader'); + for (i = 0; i < self._refetch.length; i++) { + deps = self.getRequires(self.getModule(self._refetch[i])); + for (o = 0; o < deps.length; o++) { + if (!self.inserted[deps[o]]) { + //We wouldn't be to this point without the module being here + mods[deps[o]] = deps[o]; + } + } + } + mods = Y.Object.keys(mods); + if (mods.length) { + Y.log('Refetching modules with new meta-data', 'info', 'loader'); + self.require(mods); + resMods = self.resolve(true); + if (resMods.cssMods.length) { + for (i=0; i < resMods.cssMods.length; i++) { + modName = resMods.cssMods[i].name; + delete YUI.Env._cssLoaded[modName]; + if (self.isCSSLoaded(modName)) { + self.inserted[modName] = true; + delete self.required[modName]; + } + } + self.sorted = []; + self._sort(); + } + d = null; //bail + self._insert(); //insert the new deps + } + } + if (d && d.fn) { + Y.log('Firing final Loader callback!', 'info', 'loader'); + fn = d.fn; + delete d.fn; + fn.call(self, d); + } + } + }; + + this._loading = true; + + if (!modules.js.length && !modules.css.length) { + Y.log('No modules resolved..', 'warn', 'loader'); + actions = -1; + complete({ + fn: self._onSuccess + }); + return; + } + + + if (modules.css.length) { //Load CSS first + Y.log('Loading CSS modules', 'info', 'loader'); + Y.Get.css(modules.css, { + data: modules.cssMods, + attributes: self.cssAttributes, + insertBefore: self.insertBefore, + charset: self.charset, + timeout: self.timeout, + context: self, + onProgress: function(e) { + self._onProgress.call(self, e); + }, + onTimeout: function(d) { + self._onTimeout.call(self, d); + }, + onSuccess: function(d) { + d.type = 'success'; + d.fn = self._onSuccess; + complete.call(self, d); + }, + onFailure: function(d) { + d.type = 'failure'; + d.fn = self._onFailure; + complete.call(self, d); + } + }); + } + + if (modules.js.length) { + Y.log('Loading JS modules', 'info', 'loader'); + Y.Get.js(modules.js, { + data: modules.jsMods, + insertBefore: self.insertBefore, + attributes: self.jsAttributes, + charset: self.charset, + timeout: self.timeout, + autopurge: false, + context: self, + async: self.async, + onProgress: function(e) { + self._onProgress.call(self, e); + }, + onTimeout: function(d) { + self._onTimeout.call(self, d); + }, + onSuccess: function(d) { + d.type = 'success'; + d.fn = self._onSuccess; + complete.call(self, d); + }, + onFailure: function(d) { + d.type = 'failure'; + d.fn = self._onFailure; + complete.call(self, d); + } + }); + } + }, + /** + * Once a loader operation is completely finished, process any additional queued items. + * @method _continue + * @private + */ + _continue: function() { + if (!(_queue.running) && _queue.size() > 0) { + _queue.running = true; + _queue.next()(); + } + }, + + /** + * inserts the requested modules and their dependencies. + * type can be "js" or "css". Both script and + * css are inserted if type is not provided. + * @method insert + * @param {object} o optional options object. + * @param {string} type the type of dependency to insert. + */ + insert: function(o, type, skipsort) { + Y.log('public insert() ' + (type || '') + ', ' + + Y.Object.keys(this.required), "info", "loader"); + var self = this, copy = Y.merge(this); + delete copy.require; + delete copy.dirty; + _queue.add(function() { + self._insert(copy, o, type, skipsort); + }); + this._continue(); + }, + + /** + * Executed every time a module is loaded, and if we are in a load + * cycle, we attempt to load the next script. Public so that it + * is possible to call this if using a method other than + * Y.register to determine when scripts are fully loaded + * @method loadNext + * @deprecated + * @param {string} mname optional the name of the module that has + * been loaded (which is usually why it is time to load the next + * one). + */ + loadNext: function() { + Y.log('loadNext was called..', 'error', 'loader'); + return; + }, + + /** + * Apply filter defined for this instance to a url/path + * @method _filter + * @param {string} u the string to filter. + * @param {string} name the name of the module, if we are processing + * a single module as opposed to a combined url. + * @return {string} the filtered string. + * @private + */ + _filter: function(u, name, group) { + var f = this.filter, + hasFilter = name && (name in this.filters), + modFilter = hasFilter && this.filters[name], + groupName = group || (this.moduleInfo[name] ? this.moduleInfo[name].group : null); + + if (groupName && this.groups[groupName] && this.groups[groupName].filter) { + modFilter = this.groups[groupName].filter; + hasFilter = true; + } + + if (u) { + if (hasFilter) { + f = (L.isString(modFilter)) ? this.FILTER_DEFS[modFilter.toUpperCase()] || null : modFilter; + } + if (f) { + u = u.replace(new RegExp(f.searchExp, 'g'), f.replaceStr); + } + } + return u; + }, + + /** + * Generates the full url for a module + * @method _url + * @param {string} path the path fragment. + * @param {String} name The name of the module + * @param {String} [base=self.base] The base url to use + * @return {string} the full url. + * @private + */ + _url: function(path, name, base) { + return this._filter((base || this.base || '') + path, name); + }, + /** + * Returns an Object hash of file arrays built from `loader.sorted` or from an arbitrary list of sorted modules. + * @method resolve + * @param {Boolean} [calc=false] Perform a loader.calculate() before anything else + * @param {Array} [s=loader.sorted] An override for the loader.sorted array + * @return {Object} Object hash (js and css) of two arrays of file lists + * @example This method can be used as an off-line dep calculator + * + * var Y = YUI(); + * var loader = new Y.Loader({ + * filter: 'debug', + * base: '../../', + * root: 'build/', + * combine: true, + * require: ['node', 'dd', 'console'] + * }); + * var out = loader.resolve(true); + * + */ + resolve: function(calc, s) { + + var len, i, m, url, group, groupName, j, frag, + comboSource, comboSources, mods, comboBase, + base, urls, u = [], tmpBase, baseLen, resCombos = {}, + self = this, comboSep, maxURLLength, + inserted = (self.ignoreRegistered) ? {} : self.inserted, + resolved = { js: [], jsMods: [], css: [], cssMods: [] }, + type = self.loadType || 'js', addSingle; + + if (self.skin.overrides || self.skin.defaultSkin !== DEFAULT_SKIN || self.ignoreRegistered) { + self._resetModules(); + } + + if (calc) { + self.calculate(); + } + s = s || self.sorted; + + addSingle = function(m) { + + if (m) { + group = (m.group && self.groups[m.group]) || NOT_FOUND; + + //Always assume it's async + if (group.async === false) { + m.async = group.async; + } + + url = (m.fullpath) ? self._filter(m.fullpath, s[i]) : + self._url(m.path, s[i], group.base || m.base); + + if (m.attributes || m.async === false) { + url = { + url: url, + async: m.async + }; + if (m.attributes) { + url.attributes = m.attributes; + } + } + resolved[m.type].push(url); + resolved[m.type + 'Mods'].push(m); + } else { + Y.log('Undefined Module', 'warn', 'loader'); + } + + }; + + len = s.length; + + // the default combo base + comboBase = self.comboBase; + + url = comboBase; + + comboSources = {}; + + for (i = 0; i < len; i++) { + comboSource = comboBase; + m = self.getModule(s[i]); + groupName = m && m.group; + group = self.groups[groupName]; + if (groupName && group) { + + if (!group.combine || m.fullpath) { + //This is not a combo module, skip it and load it singly later. + addSingle(m); + continue; + } + m.combine = true; + if (group.comboBase) { + comboSource = group.comboBase; + } + + if ("root" in group && L.isValue(group.root)) { + m.root = group.root; + } + m.comboSep = group.comboSep || self.comboSep; + m.maxURLLength = group.maxURLLength || self.maxURLLength; + } else { + if (!self.combine) { + //This is not a combo module, skip it and load it singly later. + addSingle(m); + continue; + } + } + + comboSources[comboSource] = comboSources[comboSource] || []; + comboSources[comboSource].push(m); + } + + for (j in comboSources) { + if (comboSources.hasOwnProperty(j)) { + resCombos[j] = resCombos[j] || { js: [], jsMods: [], css: [], cssMods: [] }; + url = j; + mods = comboSources[j]; + len = mods.length; + + if (len) { + for (i = 0; i < len; i++) { + if (inserted[mods[i]]) { + continue; + } + m = mods[i]; + // Do not try to combine non-yui JS unless combo def + // is found + if (m && (m.combine || !m.ext)) { + resCombos[j].comboSep = m.comboSep; + resCombos[j].group = m.group; + resCombos[j].maxURLLength = m.maxURLLength; + frag = ((L.isValue(m.root)) ? m.root : self.root) + (m.path || m.fullpath); + frag = self._filter(frag, m.name); + resCombos[j][m.type].push(frag); + resCombos[j][m.type + 'Mods'].push(m); + } else { + //Add them to the next process.. + if (mods[i]) { + addSingle(mods[i]); + } + } + + } + } + } + } + + + for (j in resCombos) { + if (resCombos.hasOwnProperty(j)) { + base = j; + comboSep = resCombos[base].comboSep || self.comboSep; + maxURLLength = resCombos[base].maxURLLength || self.maxURLLength; + Y.log('Using maxURLLength of ' + maxURLLength, 'info', 'loader'); + for (type in resCombos[base]) { + if (type === JS || type === CSS) { + urls = resCombos[base][type]; + mods = resCombos[base][type + 'Mods']; + len = urls.length; + tmpBase = base + urls.join(comboSep); + baseLen = tmpBase.length; + if (maxURLLength <= base.length) { + Y.log('maxURLLength (' + maxURLLength + ') is lower than the comboBase length (' + base.length + '), resetting to default (' + MAX_URL_LENGTH + ')', 'error', 'loader'); + maxURLLength = MAX_URL_LENGTH; + } + + if (len) { + if (baseLen > maxURLLength) { + Y.log('Exceeded maxURLLength (' + maxURLLength + ') for ' + type + ', splitting', 'info', 'loader'); + u = []; + for (s = 0; s < len; s++) { + u.push(urls[s]); + tmpBase = base + u.join(comboSep); + + if (tmpBase.length > maxURLLength) { + m = u.pop(); + tmpBase = base + u.join(comboSep); + resolved[type].push(self._filter(tmpBase, null, resCombos[base].group)); + u = []; + if (m) { + u.push(m); + } + } + } + if (u.length) { + tmpBase = base + u.join(comboSep); + resolved[type].push(self._filter(tmpBase, null, resCombos[base].group)); + } + } else { + resolved[type].push(self._filter(tmpBase, null, resCombos[base].group)); + } + } + resolved[type + 'Mods'] = resolved[type + 'Mods'].concat(mods); + } + } + } + } + + resCombos = null; + + return resolved; + }, + /** + Shortcut to calculate, resolve and load all modules. + + var loader = new Y.Loader({ + ignoreRegistered: true, + modules: { + mod: { + path: 'mod.js' + } + }, + requires: [ 'mod' ] + }); + loader.load(function() { + console.log('All modules have loaded..'); + }); + + + @method load + @param {Callback} cb Executed after all load operations are complete + */ + load: function(cb) { + if (!cb) { + Y.log('No callback supplied to load()', 'error', 'loader'); + return; + } + var self = this, + out = self.resolve(true); + + self.data = out; + + self.onEnd = function() { + cb.apply(self.context || self, arguments); + }; + + self.insert(); + } +}; + + + +}, '@VERSION@', {"requires": ["get", "features"]});