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- /*
- Copyright (c) 2009, Yahoo! Inc. All rights reserved.
- Code licensed under the BSD License:
- http://developer.yahoo.net/yui/license.txt
- version: 2.8.0r4
- */
- /**
- * The YAHOO object is the single global object used by YUI Library. It
- * contains utility function for setting up namespaces, inheritance, and
- * logging. YAHOO.util, YAHOO.widget, and YAHOO.example are namespaces
- * created automatically for and used by the library.
- * @module yahoo
- * @title YAHOO Global
- */
- /**
- * YAHOO_config is not included as part of the library. Instead it is an
- * object that can be defined by the implementer immediately before
- * including the YUI library. The properties included in this object
- * will be used to configure global properties needed as soon as the
- * library begins to load.
- * @class YAHOO_config
- * @static
- */
- /**
- * A reference to a function that will be executed every time a YAHOO module
- * is loaded. As parameter, this function will receive the version
- * information for the module. See <a href="YAHOO.env.html#getVersion">
- * YAHOO.env.getVersion</a> for the description of the version data structure.
- * @property listener
- * @type Function
- * @static
- * @default undefined
- */
- /**
- * Set to true if the library will be dynamically loaded after window.onload.
- * Defaults to false
- * @property injecting
- * @type boolean
- * @static
- * @default undefined
- */
- /**
- * Instructs the yuiloader component to dynamically load yui components and
- * their dependencies. See the yuiloader documentation for more information
- * about dynamic loading
- * @property load
- * @static
- * @default undefined
- * @see yuiloader
- */
- /**
- * Forces the use of the supplied locale where applicable in the library
- * @property locale
- * @type string
- * @static
- * @default undefined
- */
- if (typeof YAHOO == "undefined" || !YAHOO) {
- /**
- * The YAHOO global namespace object. If YAHOO is already defined, the
- * existing YAHOO object will not be overwritten so that defined
- * namespaces are preserved.
- * @class YAHOO
- * @static
- */
- var YAHOO = {};
- }
- /**
- * Returns the namespace specified and creates it if it doesn't exist
- * <pre>
- * YAHOO.namespace("property.package");
- * YAHOO.namespace("YAHOO.property.package");
- * </pre>
- * Either of the above would create YAHOO.property, then
- * YAHOO.property.package
- *
- * Be careful when naming packages. Reserved words may work in some browsers
- * and not others. For instance, the following will fail in Safari:
- * <pre>
- * YAHOO.namespace("really.long.nested.namespace");
- * </pre>
- * This fails because "long" is a future reserved word in ECMAScript
- *
- * For implementation code that uses YUI, do not create your components
- * in the namespaces defined by YUI (
- * <code>YAHOO.util</code>,
- * <code>YAHOO.widget</code>,
- * <code>YAHOO.lang</code>,
- * <code>YAHOO.tool</code>,
- * <code>YAHOO.example</code>,
- * <code>YAHOO.env</code>) -- create your own namespace (e.g., 'companyname').
- *
- * @method namespace
- * @static
- * @param {String*} arguments 1-n namespaces to create
- * @return {Object} A reference to the last namespace object created
- */
- YAHOO.namespace = function() {
- var a=arguments, o=null, i, j, d;
- for (i=0; i<a.length; i=i+1) {
- d=(""+a[i]).split(".");
- o=YAHOO;
- // YAHOO is implied, so it is ignored if it is included
- for (j=(d[0] == "YAHOO") ? 1 : 0; j<d.length; j=j+1) {
- o[d[j]]=o[d[j]] || {};
- o=o[d[j]];
- }
- }
- return o;
- };
- /**
- * Uses YAHOO.widget.Logger to output a log message, if the widget is
- * available.
- *
- * @method log
- * @static
- * @param {String} msg The message to log.
- * @param {String} cat The log category for the message. Default
- * categories are "info", "warn", "error", time".
- * Custom categories can be used as well. (opt)
- * @param {String} src The source of the the message (opt)
- * @return {Boolean} True if the log operation was successful.
- */
- YAHOO.log = function(msg, cat, src) {
- var l=YAHOO.widget.Logger;
- if(l && l.log) {
- return l.log(msg, cat, src);
- } else {
- return false;
- }
- };
- /**
- * Registers a module with the YAHOO object
- * @method register
- * @static
- * @param {String} name the name of the module (event, slider, etc)
- * @param {Function} mainClass a reference to class in the module. This
- * class will be tagged with the version info
- * so that it will be possible to identify the
- * version that is in use when multiple versions
- * have loaded
- * @param {Object} data metadata object for the module. Currently it
- * is expected to contain a "version" property
- * and a "build" property at minimum.
- */
- YAHOO.register = function(name, mainClass, data) {
- var mods = YAHOO.env.modules, m, v, b, ls, i;
- if (!mods[name]) {
- mods[name] = {
- versions:[],
- builds:[]
- };
- }
- m = mods[name];
- v = data.version;
- b = data.build;
- ls = YAHOO.env.listeners;
- m.name = name;
- m.version = v;
- m.build = b;
- m.versions.push(v);
- m.builds.push(b);
- m.mainClass = mainClass;
- // fire the module load listeners
- for (i=0;i<ls.length;i=i+1) {
- ls[i](m);
- }
- // label the main class
- if (mainClass) {
- mainClass.VERSION = v;
- mainClass.BUILD = b;
- } else {
- YAHOO.log("mainClass is undefined for module " + name, "warn");
- }
- };
- /**
- * YAHOO.env is used to keep track of what is known about the YUI library and
- * the browsing environment
- * @class YAHOO.env
- * @static
- */
- YAHOO.env = YAHOO.env || {
- /**
- * Keeps the version info for all YUI modules that have reported themselves
- * @property modules
- * @type Object[]
- */
- modules: [],
-
- /**
- * List of functions that should be executed every time a YUI module
- * reports itself.
- * @property listeners
- * @type Function[]
- */
- listeners: []
- };
- /**
- * Returns the version data for the specified module:
- * <dl>
- * <dt>name:</dt> <dd>The name of the module</dd>
- * <dt>version:</dt> <dd>The version in use</dd>
- * <dt>build:</dt> <dd>The build number in use</dd>
- * <dt>versions:</dt> <dd>All versions that were registered</dd>
- * <dt>builds:</dt> <dd>All builds that were registered.</dd>
- * <dt>mainClass:</dt> <dd>An object that was was stamped with the
- * current version and build. If
- * mainClass.VERSION != version or mainClass.BUILD != build,
- * multiple versions of pieces of the library have been
- * loaded, potentially causing issues.</dd>
- * </dl>
- *
- * @method getVersion
- * @static
- * @param {String} name the name of the module (event, slider, etc)
- * @return {Object} The version info
- */
- YAHOO.env.getVersion = function(name) {
- return YAHOO.env.modules[name] || null;
- };
- /**
- * Do not fork for a browser if it can be avoided. Use feature detection when
- * you can. Use the user agent as a last resort. YAHOO.env.ua stores a version
- * number for the browser engine, 0 otherwise. This value may or may not map
- * to the version number of the browser using the engine. The value is
- * presented as a float so that it can easily be used for boolean evaluation
- * as well as for looking for a particular range of versions. Because of this,
- * some of the granularity of the version info may be lost (e.g., Gecko 1.8.0.9
- * reports 1.8).
- * @class YAHOO.env.ua
- * @static
- */
- YAHOO.env.ua = function() {
- var numberfy = function(s) {
- var c = 0;
- return parseFloat(s.replace(/\./g, function() {
- return (c++ == 1) ? '' : '.';
- }));
- },
- nav = navigator,
- o = {
- /**
- * Internet Explorer version number or 0. Example: 6
- * @property ie
- * @type float
- */
- ie: 0,
- /**
- * Opera version number or 0. Example: 9.2
- * @property opera
- * @type float
- */
- opera: 0,
- /**
- * Gecko engine revision number. Will evaluate to 1 if Gecko
- * is detected but the revision could not be found. Other browsers
- * will be 0. Example: 1.8
- * <pre>
- * Firefox 1.0.0.4: 1.7.8 <-- Reports 1.7
- * Firefox 1.5.0.9: 1.8.0.9 <-- Reports 1.8
- * Firefox 2.0.0.3: 1.8.1.3 <-- Reports 1.8
- * Firefox 3 alpha: 1.9a4 <-- Reports 1.9
- * </pre>
- * @property gecko
- * @type float
- */
- gecko: 0,
- /**
- * AppleWebKit version. KHTML browsers that are not WebKit browsers
- * will evaluate to 1, other browsers 0. Example: 418.9.1
- * <pre>
- * Safari 1.3.2 (312.6): 312.8.1 <-- Reports 312.8 -- currently the
- * latest available for Mac OSX 10.3.
- * Safari 2.0.2: 416 <-- hasOwnProperty introduced
- * Safari 2.0.4: 418 <-- preventDefault fixed
- * Safari 2.0.4 (419.3): 418.9.1 <-- One version of Safari may run
- * different versions of webkit
- * Safari 2.0.4 (419.3): 419 <-- Tiger installations that have been
- * updated, but not updated
- * to the latest patch.
- * Webkit 212 nightly: 522+ <-- Safari 3.0 precursor (with native SVG
- * and many major issues fixed).
- * 3.x yahoo.com, flickr:422 <-- Safari 3.x hacks the user agent
- * string when hitting yahoo.com and
- * flickr.com.
- * Safari 3.0.4 (523.12):523.12 <-- First Tiger release - automatic update
- * from 2.x via the 10.4.11 OS patch
- * Webkit nightly 1/2008:525+ <-- Supports DOMContentLoaded event.
- * yahoo.com user agent hack removed.
- *
- * </pre>
- * http://developer.apple.com/internet/safari/uamatrix.html
- * @property webkit
- * @type float
- */
- webkit: 0,
- /**
- * The mobile property will be set to a string containing any relevant
- * user agent information when a modern mobile browser is detected.
- * Currently limited to Safari on the iPhone/iPod Touch, Nokia N-series
- * devices with the WebKit-based browser, and Opera Mini.
- * @property mobile
- * @type string
- */
- mobile: null,
- /**
- * Adobe AIR version number or 0. Only populated if webkit is detected.
- * Example: 1.0
- * @property air
- * @type float
- */
- air: 0,
- /**
- * Google Caja version number or 0.
- * @property caja
- * @type float
- */
- caja: nav.cajaVersion,
- /**
- * Set to true if the page appears to be in SSL
- * @property secure
- * @type boolean
- * @static
- */
- secure: false,
- /**
- * The operating system. Currently only detecting windows or macintosh
- * @property os
- * @type string
- * @static
- */
- os: null
- },
- ua = navigator && navigator.userAgent,
-
- loc = window && window.location,
- href = loc && loc.href,
-
- m;
- o.secure = href && (href.toLowerCase().indexOf("https") === 0);
- if (ua) {
- if ((/windows|win32/i).test(ua)) {
- o.os = 'windows';
- } else if ((/macintosh/i).test(ua)) {
- o.os = 'macintosh';
- }
-
- // Modern KHTML browsers should qualify as Safari X-Grade
- if ((/KHTML/).test(ua)) {
- o.webkit=1;
- }
- // Modern WebKit browsers are at least X-Grade
- m=ua.match(/AppleWebKit\/([^\s]*)/);
- if (m&&m[1]) {
- o.webkit=numberfy(m[1]);
- // Mobile browser check
- if (/ Mobile\//.test(ua)) {
- o.mobile = "Apple"; // iPhone or iPod Touch
- } else {
- m=ua.match(/NokiaN[^\/]*/);
- if (m) {
- o.mobile = m[0]; // Nokia N-series, ex: NokiaN95
- }
- }
- m=ua.match(/AdobeAIR\/([^\s]*)/);
- if (m) {
- o.air = m[0]; // Adobe AIR 1.0 or better
- }
- }
- if (!o.webkit) { // not webkit
- // @todo check Opera/8.01 (J2ME/MIDP; Opera Mini/2.0.4509/1316; fi; U; ssr)
- m=ua.match(/Opera[\s\/]([^\s]*)/);
- if (m&&m[1]) {
- o.opera=numberfy(m[1]);
- m=ua.match(/Opera Mini[^;]*/);
- if (m) {
- o.mobile = m[0]; // ex: Opera Mini/2.0.4509/1316
- }
- } else { // not opera or webkit
- m=ua.match(/MSIE\s([^;]*)/);
- if (m&&m[1]) {
- o.ie=numberfy(m[1]);
- } else { // not opera, webkit, or ie
- m=ua.match(/Gecko\/([^\s]*)/);
- if (m) {
- o.gecko=1; // Gecko detected, look for revision
- m=ua.match(/rv:([^\s\)]*)/);
- if (m&&m[1]) {
- o.gecko=numberfy(m[1]);
- }
- }
- }
- }
- }
- }
- return o;
- }();
- /*
- * Initializes the global by creating the default namespaces and applying
- * any new configuration information that is detected. This is the setup
- * for env.
- * @method init
- * @static
- * @private
- */
- (function() {
- YAHOO.namespace("util", "widget", "example");
- /*global YAHOO_config*/
- if ("undefined" !== typeof YAHOO_config) {
- var l=YAHOO_config.listener, ls=YAHOO.env.listeners,unique=true, i;
- if (l) {
- // if YAHOO is loaded multiple times we need to check to see if
- // this is a new config object. If it is, add the new component
- // load listener to the stack
- for (i=0; i<ls.length; i++) {
- if (ls[i] == l) {
- unique = false;
- break;
- }
- }
- if (unique) {
- ls.push(l);
- }
- }
- }
- })();
- /**
- * Provides the language utilites and extensions used by the library
- * @class YAHOO.lang
- */
- YAHOO.lang = YAHOO.lang || {};
- (function() {
- var L = YAHOO.lang,
- OP = Object.prototype,
- ARRAY_TOSTRING = '[object Array]',
- FUNCTION_TOSTRING = '[object Function]',
- OBJECT_TOSTRING = '[object Object]',
- NOTHING = [],
- // ADD = ["toString", "valueOf", "hasOwnProperty"],
- ADD = ["toString", "valueOf"],
- OB = {
- /**
- * Determines wheather or not the provided object is an array.
- * @method isArray
- * @param {any} o The object being testing
- * @return {boolean} the result
- */
- isArray: function(o) {
- return OP.toString.apply(o) === ARRAY_TOSTRING;
- },
- /**
- * Determines whether or not the provided object is a boolean
- * @method isBoolean
- * @param {any} o The object being testing
- * @return {boolean} the result
- */
- isBoolean: function(o) {
- return typeof o === 'boolean';
- },
-
- /**
- * Determines whether or not the provided object is a function.
- * Note: Internet Explorer thinks certain functions are objects:
- *
- * var obj = document.createElement("object");
- * YAHOO.lang.isFunction(obj.getAttribute) // reports false in IE
- *
- * var input = document.createElement("input"); // append to body
- * YAHOO.lang.isFunction(input.focus) // reports false in IE
- *
- * You will have to implement additional tests if these functions
- * matter to you.
- *
- * @method isFunction
- * @param {any} o The object being testing
- * @return {boolean} the result
- */
- isFunction: function(o) {
- return (typeof o === 'function') || OP.toString.apply(o) === FUNCTION_TOSTRING;
- },
-
- /**
- * Determines whether or not the provided object is null
- * @method isNull
- * @param {any} o The object being testing
- * @return {boolean} the result
- */
- isNull: function(o) {
- return o === null;
- },
-
- /**
- * Determines whether or not the provided object is a legal number
- * @method isNumber
- * @param {any} o The object being testing
- * @return {boolean} the result
- */
- isNumber: function(o) {
- return typeof o === 'number' && isFinite(o);
- },
-
- /**
- * Determines whether or not the provided object is of type object
- * or function
- * @method isObject
- * @param {any} o The object being testing
- * @return {boolean} the result
- */
- isObject: function(o) {
- return (o && (typeof o === 'object' || L.isFunction(o))) || false;
- },
-
- /**
- * Determines whether or not the provided object is a string
- * @method isString
- * @param {any} o The object being testing
- * @return {boolean} the result
- */
- isString: function(o) {
- return typeof o === 'string';
- },
-
- /**
- * Determines whether or not the provided object is undefined
- * @method isUndefined
- * @param {any} o The object being testing
- * @return {boolean} the result
- */
- isUndefined: function(o) {
- return typeof o === 'undefined';
- },
-
-
- /**
- * IE will not enumerate native functions in a derived object even if the
- * function was overridden. This is a workaround for specific functions
- * we care about on the Object prototype.
- * @property _IEEnumFix
- * @param {Function} r the object to receive the augmentation
- * @param {Function} s the object that supplies the properties to augment
- * @static
- * @private
- */
- _IEEnumFix: (YAHOO.env.ua.ie) ? function(r, s) {
- var i, fname, f;
- for (i=0;i<ADD.length;i=i+1) {
- fname = ADD[i];
- f = s[fname];
- if (L.isFunction(f) && f!=OP[fname]) {
- r[fname]=f;
- }
- }
- } : function(){},
-
- /**
- * Utility to set up the prototype, constructor and superclass properties to
- * support an inheritance strategy that can chain constructors and methods.
- * Static members will not be inherited.
- *
- * @method extend
- * @static
- * @param {Function} subc the object to modify
- * @param {Function} superc the object to inherit
- * @param {Object} overrides additional properties/methods to add to the
- * subclass prototype. These will override the
- * matching items obtained from the superclass
- * if present.
- */
- extend: function(subc, superc, overrides) {
- if (!superc||!subc) {
- throw new Error("extend failed, please check that " +
- "all dependencies are included.");
- }
- var F = function() {}, i;
- F.prototype=superc.prototype;
- subc.prototype=new F();
- subc.prototype.constructor=subc;
- subc.superclass=superc.prototype;
- if (superc.prototype.constructor == OP.constructor) {
- superc.prototype.constructor=superc;
- }
-
- if (overrides) {
- for (i in overrides) {
- if (L.hasOwnProperty(overrides, i)) {
- subc.prototype[i]=overrides[i];
- }
- }
- L._IEEnumFix(subc.prototype, overrides);
- }
- },
-
- /**
- * Applies all properties in the supplier to the receiver if the
- * receiver does not have these properties yet. Optionally, one or
- * more methods/properties can be specified (as additional
- * parameters). This option will overwrite the property if receiver
- * has it already. If true is passed as the third parameter, all
- * properties will be applied and _will_ overwrite properties in
- * the receiver.
- *
- * @method augmentObject
- * @static
- * @since 2.3.0
- * @param {Function} r the object to receive the augmentation
- * @param {Function} s the object that supplies the properties to augment
- * @param {String*|boolean} arguments zero or more properties methods
- * to augment the receiver with. If none specified, everything
- * in the supplier will be used unless it would
- * overwrite an existing property in the receiver. If true
- * is specified as the third parameter, all properties will
- * be applied and will overwrite an existing property in
- * the receiver
- */
- augmentObject: function(r, s) {
- if (!s||!r) {
- throw new Error("Absorb failed, verify dependencies.");
- }
- var a=arguments, i, p, overrideList=a[2];
- if (overrideList && overrideList!==true) { // only absorb the specified properties
- for (i=2; i<a.length; i=i+1) {
- r[a[i]] = s[a[i]];
- }
- } else { // take everything, overwriting only if the third parameter is true
- for (p in s) {
- if (overrideList || !(p in r)) {
- r[p] = s[p];
- }
- }
-
- L._IEEnumFix(r, s);
- }
- },
-
- /**
- * Same as YAHOO.lang.augmentObject, except it only applies prototype properties
- * @see YAHOO.lang.augmentObject
- * @method augmentProto
- * @static
- * @param {Function} r the object to receive the augmentation
- * @param {Function} s the object that supplies the properties to augment
- * @param {String*|boolean} arguments zero or more properties methods
- * to augment the receiver with. If none specified, everything
- * in the supplier will be used unless it would overwrite an existing
- * property in the receiver. if true is specified as the third
- * parameter, all properties will be applied and will overwrite an
- * existing property in the receiver
- */
- augmentProto: function(r, s) {
- if (!s||!r) {
- throw new Error("Augment failed, verify dependencies.");
- }
- //var a=[].concat(arguments);
- var a=[r.prototype,s.prototype], i;
- for (i=2;i<arguments.length;i=i+1) {
- a.push(arguments[i]);
- }
- L.augmentObject.apply(this, a);
- },
-
- /**
- * Returns a simple string representation of the object or array.
- * Other types of objects will be returned unprocessed. Arrays
- * are expected to be indexed. Use object notation for
- * associative arrays.
- * @method dump
- * @since 2.3.0
- * @param o {Object} The object to dump
- * @param d {int} How deep to recurse child objects, default 3
- * @return {String} the dump result
- */
- dump: function(o, d) {
- var i,len,s=[],OBJ="{...}",FUN="f(){...}",
- COMMA=', ', ARROW=' => ';
- // Cast non-objects to string
- // Skip dates because the std toString is what we want
- // Skip HTMLElement-like objects because trying to dump
- // an element will cause an unhandled exception in FF 2.x
- if (!L.isObject(o)) {
- return o + "";
- } else if (o instanceof Date || ("nodeType" in o && "tagName" in o)) {
- return o;
- } else if (L.isFunction(o)) {
- return FUN;
- }
- // dig into child objects the depth specifed. Default 3
- d = (L.isNumber(d)) ? d : 3;
- // arrays [1, 2, 3]
- if (L.isArray(o)) {
- s.push("[");
- for (i=0,len=o.length;i<len;i=i+1) {
- if (L.isObject(o[i])) {
- s.push((d > 0) ? L.dump(o[i], d-1) : OBJ);
- } else {
- s.push(o[i]);
- }
- s.push(COMMA);
- }
- if (s.length > 1) {
- s.pop();
- }
- s.push("]");
- // objects {k1 => v1, k2 => v2}
- } else {
- s.push("{");
- for (i in o) {
- if (L.hasOwnProperty(o, i)) {
- s.push(i + ARROW);
- if (L.isObject(o[i])) {
- s.push((d > 0) ? L.dump(o[i], d-1) : OBJ);
- } else {
- s.push(o[i]);
- }
- s.push(COMMA);
- }
- }
- if (s.length > 1) {
- s.pop();
- }
- s.push("}");
- }
- return s.join("");
- },
- /**
- * Does variable substitution on a string. It scans through the string
- * looking for expressions enclosed in { } braces. If an expression
- * is found, it is used a key on the object. If there is a space in
- * the key, the first word is used for the key and the rest is provided
- * to an optional function to be used to programatically determine the
- * value (the extra information might be used for this decision). If
- * the value for the key in the object, or what is returned from the
- * function has a string value, number value, or object value, it is
- * substituted for the bracket expression and it repeats. If this
- * value is an object, it uses the Object's toString() if this has
- * been overridden, otherwise it does a shallow dump of the key/value
- * pairs.
- * @method substitute
- * @since 2.3.0
- * @param s {String} The string that will be modified.
- * @param o {Object} An object containing the replacement values
- * @param f {Function} An optional function that can be used to
- * process each match. It receives the key,
- * value, and any extra metadata included with
- * the key inside of the braces.
- * @return {String} the substituted string
- */
- substitute: function (s, o, f) {
- var i, j, k, key, v, meta, saved=[], token,
- DUMP='dump', SPACE=' ', LBRACE='{', RBRACE='}',
- dump, objstr;
- for (;;) {
- i = s.lastIndexOf(LBRACE);
- if (i < 0) {
- break;
- }
- j = s.indexOf(RBRACE, i);
- if (i + 1 >= j) {
- break;
- }
- //Extract key and meta info
- token = s.substring(i + 1, j);
- key = token;
- meta = null;
- k = key.indexOf(SPACE);
- if (k > -1) {
- meta = key.substring(k + 1);
- key = key.substring(0, k);
- }
- // lookup the value
- v = o[key];
- // if a substitution function was provided, execute it
- if (f) {
- v = f(key, v, meta);
- }
- if (L.isObject(v)) {
- if (L.isArray(v)) {
- v = L.dump(v, parseInt(meta, 10));
- } else {
- meta = meta || "";
- // look for the keyword 'dump', if found force obj dump
- dump = meta.indexOf(DUMP);
- if (dump > -1) {
- meta = meta.substring(4);
- }
- objstr = v.toString();
- // use the toString if it is not the Object toString
- // and the 'dump' meta info was not found
- if (objstr === OBJECT_TOSTRING || dump > -1) {
- v = L.dump(v, parseInt(meta, 10));
- } else {
- v = objstr;
- }
- }
- } else if (!L.isString(v) && !L.isNumber(v)) {
- // This {block} has no replace string. Save it for later.
- v = "~-" + saved.length + "-~";
- saved[saved.length] = token;
- // break;
- }
- s = s.substring(0, i) + v + s.substring(j + 1);
- }
- // restore saved {block}s
- for (i=saved.length-1; i>=0; i=i-1) {
- s = s.replace(new RegExp("~-" + i + "-~"), "{" + saved[i] + "}", "g");
- }
- return s;
- },
- /**
- * Returns a string without any leading or trailing whitespace. If
- * the input is not a string, the input will be returned untouched.
- * @method trim
- * @since 2.3.0
- * @param s {string} the string to trim
- * @return {string} the trimmed string
- */
- trim: function(s){
- try {
- return s.replace(/^\s+|\s+$/g, "");
- } catch(e) {
- return s;
- }
- },
- /**
- * Returns a new object containing all of the properties of
- * all the supplied objects. The properties from later objects
- * will overwrite those in earlier objects.
- * @method merge
- * @since 2.3.0
- * @param arguments {Object*} the objects to merge
- * @return the new merged object
- */
- merge: function() {
- var o={}, a=arguments, l=a.length, i;
- for (i=0; i<l; i=i+1) {
- L.augmentObject(o, a[i], true);
- }
- return o;
- },
- /**
- * Executes the supplied function in the context of the supplied
- * object 'when' milliseconds later. Executes the function a
- * single time unless periodic is set to true.
- * @method later
- * @since 2.4.0
- * @param when {int} the number of milliseconds to wait until the fn
- * is executed
- * @param o the context object
- * @param fn {Function|String} the function to execute or the name of
- * the method in the 'o' object to execute
- * @param data [Array] data that is provided to the function. This accepts
- * either a single item or an array. If an array is provided, the
- * function is executed with one parameter for each array item. If
- * you need to pass a single array parameter, it needs to be wrapped in
- * an array [myarray]
- * @param periodic {boolean} if true, executes continuously at supplied
- * interval until canceled
- * @return a timer object. Call the cancel() method on this object to
- * stop the timer.
- */
- later: function(when, o, fn, data, periodic) {
- when = when || 0;
- o = o || {};
- var m=fn, d=data, f, r;
- if (L.isString(fn)) {
- m = o[fn];
- }
- if (!m) {
- throw new TypeError("method undefined");
- }
- if (d && !L.isArray(d)) {
- d = [data];
- }
- f = function() {
- m.apply(o, d || NOTHING);
- };
- r = (periodic) ? setInterval(f, when) : setTimeout(f, when);
- return {
- interval: periodic,
- cancel: function() {
- if (this.interval) {
- clearInterval(r);
- } else {
- clearTimeout(r);
- }
- }
- };
- },
-
- /**
- * A convenience method for detecting a legitimate non-null value.
- * Returns false for null/undefined/NaN, true for other values,
- * including 0/false/''
- * @method isValue
- * @since 2.3.0
- * @param o {any} the item to test
- * @return {boolean} true if it is not null/undefined/NaN || false
- */
- isValue: function(o) {
- // return (o || o === false || o === 0 || o === ''); // Infinity fails
- return (L.isObject(o) || L.isString(o) || L.isNumber(o) || L.isBoolean(o));
- }
- };
- /**
- * Determines whether or not the property was added
- * to the object instance. Returns false if the property is not present
- * in the object, or was inherited from the prototype.
- * This abstraction is provided to enable hasOwnProperty for Safari 1.3.x.
- * There is a discrepancy between YAHOO.lang.hasOwnProperty and
- * Object.prototype.hasOwnProperty when the property is a primitive added to
- * both the instance AND prototype with the same value:
- * <pre>
- * var A = function() {};
- * A.prototype.foo = 'foo';
- * var a = new A();
- * a.foo = 'foo';
- * alert(a.hasOwnProperty('foo')); // true
- * alert(YAHOO.lang.hasOwnProperty(a, 'foo')); // false when using fallback
- * </pre>
- * @method hasOwnProperty
- * @param {any} o The object being testing
- * @param prop {string} the name of the property to test
- * @return {boolean} the result
- */
- L.hasOwnProperty = (OP.hasOwnProperty) ?
- function(o, prop) {
- return o && o.hasOwnProperty(prop);
- } : function(o, prop) {
- return !L.isUndefined(o[prop]) &&
- o.constructor.prototype[prop] !== o[prop];
- };
- // new lang wins
- OB.augmentObject(L, OB, true);
- /*
- * An alias for <a href="YAHOO.lang.html">YAHOO.lang</a>
- * @class YAHOO.util.Lang
- */
- YAHOO.util.Lang = L;
-
- /**
- * Same as YAHOO.lang.augmentObject, except it only applies prototype
- * properties. This is an alias for augmentProto.
- * @see YAHOO.lang.augmentObject
- * @method augment
- * @static
- * @param {Function} r the object to receive the augmentation
- * @param {Function} s the object that supplies the properties to augment
- * @param {String*|boolean} arguments zero or more properties methods to
- * augment the receiver with. If none specified, everything
- * in the supplier will be used unless it would
- * overwrite an existing property in the receiver. if true
- * is specified as the third parameter, all properties will
- * be applied and will overwrite an existing property in
- * the receiver
- */
- L.augment = L.augmentProto;
- /**
- * An alias for <a href="YAHOO.lang.html#augment">YAHOO.lang.augment</a>
- * @for YAHOO
- * @method augment
- * @static
- * @param {Function} r the object to receive the augmentation
- * @param {Function} s the object that supplies the properties to augment
- * @param {String*} arguments zero or more properties methods to
- * augment the receiver with. If none specified, everything
- * in the supplier will be used unless it would
- * overwrite an existing property in the receiver
- */
- YAHOO.augment = L.augmentProto;
-
- /**
- * An alias for <a href="YAHOO.lang.html#extend">YAHOO.lang.extend</a>
- * @method extend
- * @static
- * @param {Function} subc the object to modify
- * @param {Function} superc the object to inherit
- * @param {Object} overrides additional properties/methods to add to the
- * subclass prototype. These will override the
- * matching items obtained from the superclass if present.
- */
- YAHOO.extend = L.extend;
- })();
- YAHOO.register("yahoo", YAHOO, {version: "2.8.0r4", build: "2449"});
- /**
- * Provides a mechanism to fetch remote resources and
- * insert them into a document
- * @module get
- * @requires yahoo
- */
- /**
- * Fetches and inserts one or more script or link nodes into the document
- * @namespace YAHOO.util
- * @class YAHOO.util.Get
- */
- YAHOO.util.Get = function() {
- /**
- * hash of queues to manage multiple requests
- * @property queues
- * @private
- */
- var queues={},
-
- /**
- * queue index used to generate transaction ids
- * @property qidx
- * @type int
- * @private
- */
- qidx=0,
-
- /**
- * node index used to generate unique node ids
- * @property nidx
- * @type int
- * @private
- */
- nidx=0,
- // ridx=0,
- // sandboxFrame=null,
- /**
- * interal property used to prevent multiple simultaneous purge
- * processes
- * @property purging
- * @type boolean
- * @private
- */
- purging=false,
- ua=YAHOO.env.ua,
-
- lang=YAHOO.lang;
-
- /**
- * Generates an HTML element, this is not appended to a document
- * @method _node
- * @param type {string} the type of element
- * @param attr {string} the attributes
- * @param win {Window} optional window to create the element in
- * @return {HTMLElement} the generated node
- * @private
- */
- var _node = function(type, attr, win) {
- var w = win || window, d=w.document, n=d.createElement(type);
- for (var i in attr) {
- if (attr[i] && YAHOO.lang.hasOwnProperty(attr, i)) {
- n.setAttribute(i, attr[i]);
- }
- }
- return n;
- };
- /**
- * Generates a link node
- * @method _linkNode
- * @param url {string} the url for the css file
- * @param win {Window} optional window to create the node in
- * @return {HTMLElement} the generated node
- * @private
- */
- var _linkNode = function(url, win, attributes) {
- var o = {
- id: "yui__dyn_" + (nidx++),
- type: "text/css",
- rel: "stylesheet",
- href: url
- };
- if (attributes) {
- lang.augmentObject(o, attributes);
- }
- return _node("link", o, win);
- };
- /**
- * Generates a script node
- * @method _scriptNode
- * @param url {string} the url for the script file
- * @param win {Window} optional window to create the node in
- * @return {HTMLElement} the generated node
- * @private
- */
- var _scriptNode = function(url, win, attributes) {
- var o = {
- id: "yui__dyn_" + (nidx++),
- type: "text/javascript",
- src: url
- };
- if (attributes) {
- lang.augmentObject(o, attributes);
- }
- return _node("script", o, win);
- };
- /**
- * Returns the data payload for callback functions
- * @method _returnData
- * @private
- */
- var _returnData = function(q, msg) {
- return {
- tId: q.tId,
- win: q.win,
- data: q.data,
- nodes: q.nodes,
- msg: msg,
- purge: function() {
- _purge(this.tId);
- }
- };
- };
- var _get = function(nId, tId) {
- var q = queues[tId],
- n = (lang.isString(nId)) ? q.win.document.getElementById(nId) : nId;
- if (!n) {
- _fail(tId, "target node not found: " + nId);
- }
- return n;
- };
- /*
- * The request failed, execute fail handler with whatever
- * was accomplished. There isn't a failure case at the
- * moment unless you count aborted transactions
- * @method _fail
- * @param id {string} the id of the request
- * @private
- */
- var _fail = function(id, msg) {
- var q = queues[id];
- // execute failure callback
- if (q.onFailure) {
- var sc=q.scope || q.win;
- q.onFailure.call(sc, _returnData(q, msg));
- }
- };
- /**
- * The request is complete, so executing the requester's callback
- * @method _finish
- * @param id {string} the id of the request
- * @private
- */
- var _finish = function(id) {
- var q = queues[id];
- q.finished = true;
- if (q.aborted) {
- var msg = "transaction " + id + " was aborted";
- _fail(id, msg);
- return;
- }
- // execute success callback
- if (q.onSuccess) {
- var sc=q.scope || q.win;
- q.onSuccess.call(sc, _returnData(q));
- }
- };
- /**
- * Timeout detected
- * @method _timeout
- * @param id {string} the id of the request
- * @private
- */
- var _timeout = function(id) {
- var q = queues[id];
- if (q.onTimeout) {
- var sc=q.scope || q;
- q.onTimeout.call(sc, _returnData(q));
- }
- };
- /**
- * Loads the next item for a given request
- * @method _next
- * @param id {string} the id of the request
- * @param loaded {string} the url that was just loaded, if any
- * @private
- */
- var _next = function(id, loaded) {
- var q = queues[id];
- if (q.timer) {
- // Y.log('cancel timer');
- q.timer.cancel();
- }
- if (q.aborted) {
- var msg = "transaction " + id + " was aborted";
- _fail(id, msg);
- return;
- }
- if (loaded) {
- q.url.shift();
- if (q.varName) {
- q.varName.shift();
- }
- } else {
- // This is the first pass: make sure the url is an array
- q.url = (lang.isString(q.url)) ? [q.url] : q.url;
- if (q.varName) {
- q.varName = (lang.isString(q.varName)) ? [q.varName] : q.varName;
- }
- }
- var w=q.win, d=w.document, h=d.getElementsByTagName("head")[0], n;
- if (q.url.length === 0) {
- // Safari 2.x workaround - There is no way to know when
- // a script is ready in versions of Safari prior to 3.x.
- // Adding an extra node reduces the problem, but doesn't
- // eliminate it completely because the browser executes
- // them asynchronously.
- if (q.type === "script" && ua.webkit && ua.webkit < 420 &&
- !q.finalpass && !q.varName) {
- // Add another script node. This does not guarantee that the
- // scripts will execute in order, but it does appear to fix the
- // problem on fast connections more effectively than using an
- // arbitrary timeout. It is possible that the browser does
- // block subsequent script execution in this case for a limited
- // time.
- var extra = _scriptNode(null, q.win, q.attributes);
- extra.innerHTML='YAHOO.util.Get._finalize("' + id + '");';
- q.nodes.push(extra); h.appendChild(extra);
- } else {
- _finish(id);
- }
- return;
- }
- var url = q.url[0];
- // if the url is undefined, this is probably a trailing comma problem in IE
- if (!url) {
- q.url.shift();
- return _next(id);
- }
- if (q.timeout) {
- // Y.log('create timer');
- q.timer = lang.later(q.timeout, q, _timeout, id);
- }
- if (q.type === "script") {
- n = _scriptNode(url, w, q.attributes);
- } else {
- n = _linkNode(url, w, q.attributes);
- }
- // track this node's load progress
- _track(q.type, n, id, url, w, q.url.length);
- // add the node to the queue so we can return it to the user supplied callback
- q.nodes.push(n);
- // add it to the head or insert it before 'insertBefore'
- if (q.insertBefore) {
- var s = _get(q.insertBefore, id);
- if (s) {
- s.parentNode.insertBefore(n, s);
- }
- } else {
- h.appendChild(n);
- }
-
- // FireFox does not support the onload event for link nodes, so there is
- // no way to make the css requests synchronous. This means that the css
- // rules in multiple files could be applied out of order in this browser
- // if a later request returns before an earlier one. Safari too.
- if ((ua.webkit || ua.gecko) && q.type === "css") {
- _next(id, url);
- }
- };
- /**
- * Removes processed queues and corresponding nodes
- * @method _autoPurge
- * @private
- */
- var _autoPurge = function() {
- if (purging) {
- return;
- }
- purging = true;
- for (var i in queues) {
- var q = queues[i];
- if (q.autopurge && q.finished) {
- _purge(q.tId);
- delete queues[i];
- }
- }
- purging = false;
- };
- /**
- * Removes the nodes for the specified queue
- * @method _purge
- * @private
- */
- var _purge = function(tId) {
- if (queues[tId]) {
- var q = queues[tId],
- nodes = q.nodes,
- l = nodes.length,
- d = q.win.document,
- h = d.getElementsByTagName("head")[0],
- sib, i, node, attr;
- if (q.insertBefore) {
- sib = _get(q.insertBefore, tId);
- if (sib) {
- h = sib.parentNode;
- }
- }
- for (i=0; i<l; i=i+1) {
- node = nodes[i];
- if (node.clearAttributes) {
- node.clearAttributes();
- } else {
- for (attr in node) {
- delete node[attr];
- }
- }
- h.removeChild(node);
- }
- q.nodes = [];
- }
- };
- /**
- * Saves the state for the request and begins loading
- * the requested urls
- * @method queue
- * @param type {string} the type of node to insert
- * @param url {string} the url to load
- * @param opts the hash of options for this request
- * @private
- */
- var _queue = function(type, url, opts) {
- var id = "q" + (qidx++);
- opts = opts || {};
- if (qidx % YAHOO.util.Get.PURGE_THRESH === 0) {
- _autoPurge();
- }
- queues[id] = lang.merge(opts, {
- tId: id,
- type: type,
- url: url,
- finished: false,
- aborted: false,
- nodes: []
- });
- var q = queues[id];
- q.win = q.win || window;
- q.scope = q.scope || q.win;
- q.autopurge = ("autopurge" in q) ? q.autopurge :
- (type === "script") ? true : false;
- if (opts.charset) {
- q.attributes = q.attributes || {};
- q.attributes.charset = opts.charset;
- }
- lang.later(0, q, _next, id);
- return {
- tId: id
- };
- };
- /**
- * Detects when a node has been loaded. In the case of
- * script nodes, this does not guarantee that contained
- * script is ready to use.
- * @method _track
- * @param type {string} the type of node to track
- * @param n {HTMLElement} the node to track
- * @param id {string} the id of the request
- * @param url {string} the url that is being loaded
- * @param win {Window} the targeted window
- * @param qlength the number of remaining items in the queue,
- * including this one
- * @param trackfn {Function} function to execute when finished
- * the default is _next
- * @private
- */
- var _track = function(type, n, id, url, win, qlength, trackfn) {
- var f = trackfn || _next;
- // IE supports the readystatechange event for script and css nodes
- if (ua.ie) {
- n.onreadystatechange = function() {
- var rs = this.readyState;
- if ("loaded" === rs || "complete" === rs) {
- n.onreadystatechange = null;
- f(id, url);
- }
- };
- // webkit prior to 3.x is problemmatic
- } else if (ua.webkit) {
- if (type === "script") {
- // Safari 3.x supports the load event for script nodes (DOM2)
- if (ua.webkit >= 420) {
- n.addEventListener("load", function() {
- f(id, url);
- });
- // Nothing can be done with Safari < 3.x except to pause and hope
- // for the best, particularly after last script is inserted. The
- // scripts will always execute in the order they arrive, not
- // necessarily the order in which they were inserted. To support
- // script nodes with complete reliability in these browsers, script
- // nodes either need to invoke a function in the window once they
- // are loaded or the implementer needs to provide a well-known
- // property that the utility can poll for.
- } else {
- // Poll for the existence of the named variable, if it
- // was supplied.
- var q = queues[id];
- if (q.varName) {
- var freq=YAHOO.util.Get.POLL_FREQ;
- q.maxattempts = YAHOO.util.Get.TIMEOUT/freq;
- q.attempts = 0;
- q._cache = q.varName[0].split(".");
- q.timer = lang.later(freq, q, function(o) {
- var a=this._cache, l=a.length, w=this.win, i;
- for (i=0; i<l; i=i+1) {
- w = w[a[i]];
- if (!w) {
- // if we have exausted our attempts, give up
- this.attempts++;
- if (this.attempts++ > this.maxattempts) {
- var msg = "Over retry limit, giving up";
- q.timer.cancel();
- _fail(id, msg);
- } else {
- }
- return;
- }
- }
-
- q.timer.cancel();
- f(id, url);
- }, null, true);
- } else {
- lang.later(YAHOO.util.Get.POLL_FREQ, null, f, [id, url]);
- }
- }
- }
- // FireFox and Opera support onload (but not DOM2 in FF) handlers for
- // script nodes. Opera, but not FF, supports the onload event for link
- // nodes.
- } else {
- n.onload = function() {
- f(id, url);
- };
- }
- };
- return {
- /**
- * The default poll freqency in ms, when needed
- * @property POLL_FREQ
- * @static
- * @type int
- * @default 10
- */
- POLL_FREQ: 10,
- /**
- * The number of request required before an automatic purge.
- * property PURGE_THRESH
- * @static
- * @type int
- * @default 20
- */
- PURGE_THRESH: 20,
- /**
- * The length time to poll for varName when loading a script in
- * Safari 2.x before the transaction fails.
- * property TIMEOUT
- * @static
- * @type int
- * @default 2000
- */
- TIMEOUT: 2000,
-
- /**
- * Called by the the helper for detecting script load in Safari
- * @method _finalize
- * @param id {string} the transaction id
- * @private
- */
- _finalize: function(id) {
- lang.later(0, null, _finish, id);
- },
- /**
- * Abort a transaction
- * @method abort
- * @param {string|object} either the tId or the object returned from
- * script() or css()
- */
- abort: function(o) {
- var id = (lang.isString(o)) ? o : o.tId;
- var q = queues[id];
- if (q) {
- q.aborted = true;
- }
- },
- /**
- * Fetches and inserts one or more script nodes into the head
- * of the current document or the document in a specified window.
- *
- * @method script
- * @static
- * @param url {string|string[]} the url or urls to the script(s)
- * @param opts {object} Options:
- * <dl>
- * <dt>onSuccess</dt>
- * <dd>
- * callback to execute when the script(s) are finished loading
- * The callback receives an object back with the following
- * data:
- * <dl>
- * <dt>win</dt>
- * <dd>the window the script(s) were inserted into</dd>
- * <dt>data</dt>
- * <dd>the data object passed in when the request was made</dd>
- * <dt>nodes</dt>
- * <dd>An array containing references to the nodes that were
- * inserted</dd>
- * <dt>purge</dt>
- * <dd>A function that, when executed, will remove the nodes
- * that were inserted</dd>
- * <dt>
- * </dl>
- * </dd>
- * <dt>onFailure</dt>
- * <dd>
- * callback to execute when the script load operation fails
- * The callback receives an object back with the following
- * data:
- * <dl>
- * <dt>win</dt>
- * <dd>the window the script(s) were inserted into</dd>
- * <dt>data</dt>
- * <dd>the data object passed in when the request was made</dd>
- * <dt>nodes</dt>
- * <dd>An array containing references to the nodes that were
- * inserted successfully</dd>
- * <dt>purge</dt>
- * <dd>A function that, when executed, will remove any nodes
- * that were inserted</dd>
- * <dt>
- * </dl>
- * </dd>
- * <dt>onTimeout</dt>
- * <dd>
- * callback to execute when a timeout occurs.
- * The callback receives an object back with the following
- * data:
- * <dl>
- * <dt>win</dt>
- * <dd>the window the script(s) were inserted into</dd>
- * <dt>data</dt>
- * <dd>the data object passed in when the request was made</dd>
- * <dt>nodes</dt>
- * <dd>An array containing references to the nodes that were
- * inserted</dd>
- * <dt>purge</dt>
- * <dd>A function that, when executed, will remove the nodes
- * that were inserted</dd>
- * <dt>
- * </dl>
- * </dd>
- * <dt>scope</dt>
- * <dd>the execution context for the callbacks</dd>
- * <dt>win</dt>
- * <dd>a window other than the one the utility occupies</dd>
- * <dt>autopurge</dt>
- * <dd>
- * setting to true will let the utilities cleanup routine purge
- * the script once loaded
- * </dd>
- * <dt>data</dt>
- * <dd>
- * data that is supplied to the callback when the script(s) are
- * loaded.
- * </dd>
- * <dt>varName</dt>
- * <dd>
- * variable that should be available when a script is finished
- * loading. Used to help Safari 2.x and below with script load
- * detection. The type of this property should match what was
- * passed into the url parameter: if loading a single url, a
- * string can be supplied. If loading multiple scripts, you
- * must supply an array that contains the variable name for
- * each script.
- * </dd>
- * <dt>insertBefore</dt>
- * <dd>node or node id that will become the new node's nextSibling</dd>
- * </dl>
- * <dt>charset</dt>
- * <dd>Node charset, deprecated, use 'attributes'</dd>
- * <dt>attributes</dt>
- * <dd>A hash of attributes to apply to dynamic nodes.</dd>
- * <dt>timeout</dt>
- * <dd>Number of milliseconds to wait before aborting and firing the timeout event</dd>
- * <pre>
- * // assumes yahoo, dom, and event are already on the page
- * YAHOO.util.Get.script(
- * ["http://yui.yahooapis.com/2.7.0/build/dragdrop/dragdrop-min.js",
- * "http://yui.yahooapis.com/2.7.0/build/animation/animation-min.js"], {
- * onSuccess: function(o) {
- * new YAHOO.util.DDProxy("dd1"); // also new o.reference("dd1"); would work
- * this.log("won't cause error because YAHOO is the scope");
- * this.log(o.nodes.length === 2) // true
- * // o.purge(); // optionally remove the script nodes immediately
- * },
- * onFailure: function(o) {
- * },
- * data: "foo",
- * timeout: 10000, // 10 second timeout
- * scope: YAHOO,
- * // win: otherframe // target another window/frame
- * autopurge: true // allow the utility to choose when to remove the nodes
- * });
- * </pre>
- * @return {tId: string} an object containing info about the transaction
- */
- script: function(url, opts) { return _queue("script", url, opts); },
- /**
- * Fetches and inserts one or more css link nodes into the
- * head of the current document or the document in a specified
- * window.
- * @method css
- * @static
- * @param url {string} the url or urls to the css file(s)
- * @param opts Options:
- * <dl>
- * <dt>onSuccess</dt>
- * <dd>
- * callback to execute when the css file(s) are finished loading
- * The callback receives an object back with the following
- * data:
- * <dl>win</dl>
- * <dd>the window the link nodes(s) were inserted into</dd>
- * <dt>data</dt>
- * <dd>the data object passed in when the request was made</dd>
- * <dt>nodes</dt>
- * <dd>An array containing references to the nodes that were
- * inserted</dd>
- * <dt>purge</dt>
- * <dd>A function that, when executed, will remove the nodes
- * that were inserted</dd>
- * <dt>
- * </dl>
- * </dd>
- * <dt>scope</dt>
- * <dd>the execution context for the callbacks</dd>
- * <dt>win</dt>
- * <dd>a window other than the one the utility occupies</dd>
- * <dt>data</dt>
- * <dd>
- * data that is supplied to the callbacks when the nodes(s) are
- * loaded.
- * </dd>
- * <dt>insertBefore</dt>
- * <dd>node or node id that will become the new node's nextSibling</dd>
- * <dt>charset</dt>
- * <dd>Node charset, deprecated, use 'attributes'</dd>
- * <dt>attributes</dt>
- * <dd>A hash of attributes to apply to dynamic nodes.</dd>
- * </dl>
- * <pre>
- * YAHOO.util.Get.css("http://yui.yahooapis.com/2.7.0/build/menu/assets/skins/sam/menu.css");
- * </pre>
- * <pre>
- * YAHOO.util.Get.css(["http://yui.yahooapis.com/2.7.0/build/menu/assets/skins/sam/menu.css",
- * </pre>
- * @return {tId: string} an object containing info about the transaction
- */
- css: function(url, opts) {
- return _queue("css", url, opts);
- }
- };
- }();
- YAHOO.register("get", YAHOO.util.Get, {version: "2.8.0r4", build: "2449"});
- /**
- * Provides dynamic loading for the YUI library. It includes the dependency
- * info for the library, and will automatically pull in dependencies for
- * the modules requested. It supports rollup files (such as utilities.js
- * and yahoo-dom-event.js), and will automatically use these when
- * appropriate in order to minimize the number of http connections
- * required to load all of the dependencies.
- *
- * @module yuiloader
- * @namespace YAHOO.util
- */
- /**
- * YUILoader provides dynamic loading for YUI.
- * @class YAHOO.util.YUILoader
- * @todo
- * version management, automatic sandboxing
- */
- (function() {
- var Y=YAHOO, util=Y.util, lang=Y.lang, env=Y.env,
- PROV = "_provides", SUPER = "_supersedes",
- REQ = "expanded", AFTER = "_after";
-
- var YUI = {
- dupsAllowed: {'yahoo': true, 'get': true},
- /*
- * The library metadata for the current release The is the default
- * value for YAHOO.util.YUILoader.moduleInfo
- * @property YUIInfo
- * @static
- */
- info: {
- // 'root': '2.5.2/build/',
- // 'base': 'http://yui.yahooapis.com/2.5.2/build/',
- 'root': '2.8.0r4/build/',
- 'base': 'http://yui.yahooapis.com/2.8.0r4/build/',
- 'comboBase': 'http://yui.yahooapis.com/combo?',
- 'skin': {
- 'defaultSkin': 'sam',
- 'base': 'assets/skins/',
- 'path': 'skin.css',
- 'after': ['reset', 'fonts', 'grids', 'base'],
- 'rollup': 3
- },
- dupsAllowed: ['yahoo', 'get'],
- 'moduleInfo': {
- 'animation': {
- 'type': 'js',
- 'path': 'animation/animation-min.js',
- 'requires': ['dom', 'event']
- },
- 'autocomplete': {
- 'type': 'js',
- 'path': 'autocomplete/autocomplete-min.js',
- 'requires': ['dom', 'event', 'datasource'],
- 'optional': ['connection', 'animation'],
- 'skinnable': true
- },
- 'base': {
- 'type': 'css',
- 'path': 'base/base-min.css',
- 'after': ['reset', 'fonts', 'grids']
- },
- 'button': {
- 'type': 'js',
- 'path': 'button/button-min.js',
- 'requires': ['element'],
- 'optional': ['menu'],
- 'skinnable': true
- },
- 'calendar': {
- 'type': 'js',
- 'path': 'calendar/calendar-min.js',
- 'requires': ['event', 'dom'],
- supersedes: ['datemeth'],
- 'skinnable': true
- },
- 'carousel': {
- 'type': 'js',
- 'path': 'carousel/carousel-min.js',
- 'requires': ['element'],
- 'optional': ['animation'],
- 'skinnable': true
- },
- 'charts': {
- 'type': 'js',
- 'path': 'charts/charts-min.js',
- 'requires': ['element', 'json', 'datasource', 'swf']
- },
- 'colorpicker': {
- 'type': 'js',
- 'path': 'colorpicker/colorpicker-min.js',
- 'requires': ['slider', 'element'],
- 'optional': ['animation'],
- 'skinnable': true
- },
- 'connection': {
- 'type': 'js',
- 'path': 'connection/connection-min.js',
- 'requires': ['event'],
- 'supersedes': ['connectioncore']
- },
- 'connectioncore': {
- 'type': 'js',
- 'path': 'connection/connection_core-min.js',
- 'requires': ['event'],
- 'pkg': 'connection'
- },
- 'container': {
- 'type': 'js',
- 'path': 'container/container-min.js',
- 'requires': ['dom', 'event'],
- // button is also optional, but this creates a circular
- // dependency when loadOptional is specified. button
- // optionally includes menu, menu requires container.
- 'optional': ['dragdrop', 'animation', 'connection'],
- 'supersedes': ['containercore'],
- 'skinnable': true
- },
- 'containercore': {
- 'type': 'js',
- 'path': 'container/container_core-min.js',
- 'requires': ['dom', 'event'],
- 'pkg': 'container'
- },
- 'cookie': {
- 'type': 'js',
- 'path': 'cookie/cookie-min.js',
- 'requires': ['yahoo']
- },
- 'datasource': {
- 'type': 'js',
- 'path': 'datasource/datasource-min.js',
- 'requires': ['event'],
- 'optional': ['connection']
- },
- 'datatable': {
- 'type': 'js',
- 'path': 'datatable/datatable-min.js',
- 'requires': ['element', 'datasource'],
- 'optional': ['calendar', 'dragdrop', 'paginator'],
- 'skinnable': true
- },
- datemath: {
- 'type': 'js',
- 'path': 'datemath/datemath-min.js',
- 'requires': ['yahoo']
- },
- 'dom': {
- 'type': 'js',
- 'path': 'dom/dom-min.js',
- 'requires': ['yahoo']
- },
- 'dragdrop': {
- 'type': 'js',
- 'path': 'dragdrop/dragdrop-min.js',
- 'requires': ['dom', 'event']
- },
- 'editor': {
- 'type': 'js',
- 'path': 'editor/editor-min.js',
- 'requires': ['menu', 'element', 'button'],
- 'optional': ['animation', 'dragdrop'],
- 'supersedes': ['simpleeditor'],
- 'skinnable': true
- },
- 'element': {
- 'type': 'js',
- 'path': 'element/element-min.js',
- 'requires': ['dom', 'event'],
- 'optional': ['event-mouseenter', 'event-delegate']
- },
- 'element-delegate': {
- 'type': 'js',
- 'path': 'element-delegate/element-delegate-min.js',
- 'requires': ['element']
- },
- 'event': {
- 'type': 'js',
- 'path': 'event/event-min.js',
- 'requires': ['yahoo']
- },
- 'event-simulate': {
- 'type': 'js',
- 'path': 'event-simulate/event-simulate-min.js',
- 'requires': ['event']
- },
- 'event-delegate': {
- 'type': 'js',
- 'path': 'event-delegate/event-delegate-min.js',
- 'requires': ['event'],
- 'optional': ['selector']
- },
- 'event-mouseenter': {
- 'type': 'js',
- 'path': 'event-mouseenter/event-mouseenter-min.js',
- 'requires': ['dom', 'event']
- },
- 'fonts': {
- 'type': 'css',
- 'path': 'fonts/fonts-min.css'
- },
- 'get': {
- 'type': 'js',
- 'path': 'get/get-min.js',
- 'requires': ['yahoo']
- },
- 'grids': {
- 'type': 'css',
- 'path': 'grids/grids-min.css',
- 'requires': ['fonts'],
- 'optional': ['reset']
- },
- 'history': {
- 'type': 'js',
- 'path': 'history/history-min.js',
- 'requires': ['event']
- },
- 'imagecropper': {
- 'type': 'js',
- 'path': 'imagecropper/imagecropper-min.js',
- 'requires': ['dragdrop', 'element', 'resize'],
- 'skinnable': true
- },
- 'imageloader': {
- 'type': 'js',
- 'path': 'imageloader/imageloader-min.js',
- 'requires': ['event', 'dom']
- },
- 'json': {
- 'type': 'js',
- 'path': 'json/json-min.js',
- 'requires': ['yahoo']
- },
- 'layout': {
- 'type': 'js',
- 'path': 'layout/layout-min.js',
- 'requires': ['element'],
- 'optional': ['animation', 'dragdrop', 'resize', 'selector'],
- 'skinnable': true
- },
- 'logger': {
- 'type': 'js',
- 'path': 'logger/logger-min.js',
- 'requires': ['event', 'dom'],
- 'optional': ['dragdrop'],
- 'skinnable': true
- },
- 'menu': {
- 'type': 'js',
- 'path': 'menu/menu-min.js',
- 'requires': ['containercore'],
- 'skinnable': true
- },
- 'paginator': {
- 'type': 'js',
- 'path': 'paginator/paginator-min.js',
- 'requires': ['element'],
- 'skinnable': true
- },
- 'profiler': {
- 'type': 'js',
- 'path': 'profiler/profiler-min.js',
- 'requires': ['yahoo']
- },
- 'profilerviewer': {
- 'type': 'js',
- 'path': 'profilerviewer/profilerviewer-min.js',
- 'requires': ['profiler', 'yuiloader', 'element'],
- 'skinnable': true
- },
- 'progressbar': {
- 'type': 'js',
- 'path': 'progressbar/progressbar-min.js',
- 'requires': ['element'],
- 'optional': ['animation'],
- 'skinnable': true
- },
- 'reset': {
- 'type': 'css',
- 'path': 'reset/reset-min.css'
- },
- 'reset-fonts-grids': {
- 'type': 'css',
- 'path': 'reset-fonts-grids/reset-fonts-grids.css',
- 'supersedes': ['reset', 'fonts', 'grids', 'reset-fonts'],
- 'rollup': 4
- },
- 'reset-fonts': {
- 'type': 'css',
- 'path': 'reset-fonts/reset-fonts.css',
- 'supersedes': ['reset', 'fonts'],
- 'rollup': 2
- },
- 'resize': {
- 'type': 'js',
- 'path': 'resize/resize-min.js',
- 'requires': ['dragdrop', 'element'],
- 'optional': ['animation'],
- 'skinnable': true
- },
- 'selector': {
- 'type': 'js',
- 'path': 'selector/selector-min.js',
- 'requires': ['yahoo', 'dom']
- },
- 'simpleeditor': {
- 'type': 'js',
- 'path': 'editor/simpleeditor-min.js',
- 'requires': ['element'],
- 'optional': ['containercore', 'menu', 'button', 'animation', 'dragdrop'],
- 'skinnable': true,
- 'pkg': 'editor'
- },
- 'slider': {
- 'type': 'js',
- 'path': 'slider/slider-min.js',
- 'requires': ['dragdrop'],
- 'optional': ['animation'],
- 'skinnable': true
- },
- 'storage': {
- 'type': 'js',
- 'path': 'storage/storage-min.js',
- 'requires': ['yahoo', 'event', 'cookie'],
- 'optional': ['swfstore']
- },
- 'stylesheet': {
- 'type': 'js',
- 'path': 'stylesheet/stylesheet-min.js',
- 'requires': ['yahoo']
- },
- 'swf': {
- 'type': 'js',
- 'path': 'swf/swf-min.js',
- 'requires': ['element'],
- 'supersedes': ['swfdetect']
- },
- 'swfdetect': {
- 'type': 'js',
- 'path': 'swfdetect/swfdetect-min.js',
- 'requires': ['yahoo']
- },
- 'swfstore': {
- 'type': 'js',
- 'path': 'swfstore/swfstore-min.js',
- 'requires': ['element', 'cookie', 'swf']
- },
- 'tabview': {
- 'type': 'js',
- 'path': 'tabview/tabview-min.js',
- 'requires': ['element'],
- 'optional': ['connection'],
- 'skinnable': true
- },
- 'treeview': {
- 'type': 'js',
- 'path': 'treeview/treeview-min.js',
- 'requires': ['event', 'dom'],
- 'optional': ['json', 'animation', 'calendar'],
- 'skinnable': true
- },
- 'uploader': {
- 'type': 'js',
- 'path': 'uploader/uploader-min.js',
- 'requires': ['element']
- },
- 'utilities': {
- 'type': 'js',
- 'path': 'utilities/utilities.js',
- 'supersedes': ['yahoo', 'event', 'dragdrop', 'animation', 'dom', 'connection', 'element', 'yahoo-dom-event', 'get', 'yuiloader', 'yuiloader-dom-event'],
- 'rollup': 8
- },
- 'yahoo': {
- 'type': 'js',
- 'path': 'yahoo/yahoo-min.js'
- },
- 'yahoo-dom-event': {
- 'type': 'js',
- 'path': 'yahoo-dom-event/yahoo-dom-event.js',
- 'supersedes': ['yahoo', 'event', 'dom'],
- 'rollup': 3
- },
- 'yuiloader': {
- 'type': 'js',
- 'path': 'yuiloader/yuiloader-min.js',
- 'supersedes': ['yahoo', 'get']
- },
- 'yuiloader-dom-event': {
- 'type': 'js',
- 'path': 'yuiloader-dom-event/yuiloader-dom-event.js',
- 'supersedes': ['yahoo', 'dom', 'event', 'get', 'yuiloader', 'yahoo-dom-event'],
- 'rollup': 5
- },
- 'yuitest': {
- 'type': 'js',
- 'path': 'yuitest/yuitest-min.js',
- 'requires': ['logger'],
- 'optional': ['event-simulate'],
- 'skinnable': true
- }
- }
- }
- ,
- ObjectUtil: {
- appendArray: function(o, a) {
- if (a) {
- for (var i=0; i<a.length; i=i+1) {
- o[a[i]] = true;
- }
- }
- },
- keys: function(o, ordered) {
- var a=[], i;
- for (i in o) {
- if (lang.hasOwnProperty(o, i)) {
- a.push(i);
- }
- }
- return a;
- }
- },
- ArrayUtil: {
- appendArray: function(a1, a2) {
- Array.prototype.push.apply(a1, a2);
- /*
- for (var i=0; i<a2.length; i=i+1) {
- a1.push(a2[i]);
- }
- */
- },
- indexOf: function(a, val) {
- for (var i=0; i<a.length; i=i+1) {
- if (a[i] === val) {
- return i;
- }
- }
- return -1;
- },
- toObject: function(a) {
- var o = {};
- for (var i=0; i<a.length; i=i+1) {
- o[a[i]] = true;
- }
- return o;
- },
- /*
- * Returns a unique array. Does not maintain order, which is fine
- * for this application, and performs better than it would if it
- * did.
- */
- uniq: function(a) {
- return YUI.ObjectUtil.keys(YUI.ArrayUtil.toObject(a));
- }
- }
- };
- YAHOO.util.YUILoader = function(o) {
- /**
- * Internal callback to handle multiple internal insert() calls
- * so that css is inserted prior to js
- * @property _internalCallback
- * @private
- */
- this._internalCallback = null;
- /**
- * Use the YAHOO environment listener to detect script load. This
- * is only switched on for Safari 2.x and below.
- * @property _useYahooListener
- * @private
- */
- this._useYahooListener = false;
- /**
- * Callback that will be executed when the loader is finished
- * with an insert
- * @method onSuccess
- * @type function
- */
- this.onSuccess = null;
- /**
- * Callback that will be executed if there is a failure
- * @method onFailure
- * @type function
- */
- this.onFailure = Y.log;
- /**
- * Callback that will be executed each time a new module is loaded
- * @method onProgress
- * @type function
- */
- this.onProgress = null;
- /**
- * Callback that will be executed if a timeout occurs
- * @method onTimeout
- * @type function
- */
- this.onTimeout = null;
- /**
- * The execution scope for all callbacks
- * @property scope
- * @default this
- */
- this.scope = this;
- /**
- * Data that is passed to all callbacks
- * @property data
- */
- this.data = null;
- /**
- * Node reference or id where new nodes should be inserted before
- * @property insertBefore
- * @type string|HTMLElement
- */
- this.insertBefore = null;
- /**
- * The charset attribute for inserted nodes
- * @property charset
- * @type string
- * @default utf-8
- */
- this.charset = null;
- /**
- * The name of the variable in a sandbox or script node
- * (for external script support in Safari 2.x and earlier)
- * to reference when the load is complete. If this variable
- * is not available in the specified scripts, the operation will
- * fail.
- * @property varName
- * @type string
- */
- this.varName = null;
- /**
- * The base directory.
- * @property base
- * @type string
- * @default http://yui.yahooapis.com/[YUI VERSION]/build/
- */
- this.base = YUI.info.base;
- /**
- * Base path for the combo service
- * @property comboBase
- * @type string
- * @default http://yui.yahooapis.com/combo?
- */
- this.comboBase = YUI.info.comboBase;
- /**
- * If configured, YUI will use the the combo handler on the
- * Yahoo! CDN to pontentially reduce the number of http requests
- * required.
- * @property combine
- * @type boolean
- * @default false
- */
- // this.combine = (o && !('base' in o));
- this.combine = false;
- /**
- * Root path to prepend to module path for the combo
- * service
- * @property root
- * @type string
- * @default [YUI VERSION]/build/
- */
- this.root = YUI.info.root;
- /**
- * Timeout value in milliseconds. If set, this value will be used by
- * the get utility. the timeout event will fire if
- * a timeout occurs.
- * @property timeout
- * @type int
- */
- this.timeout = 0;
- /**
- * A list of modules that should not be loaded, even if
- * they turn up in the dependency tree
- * @property ignore
- * @type string[]
- */
- this.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[]
- */
- this.force = null;
- /**
- * Should we allow rollups
- * @property allowRollup
- * @type boolean
- * @default true
- */
- this.allowRollup = true;
- /**
- * 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:
- * <dl>
- * <dt>DEBUG</dt>
- * <dd>Selects the debug versions of the library (e.g., event-debug.js).
- * This option will automatically include the logger widget</dd>
- * <dt>RAW</dt>
- * <dd>Selects the non-minified version of the library (e.g., event.js).
- * </dl>
- * You can also define a custom filter, which must be an object literal
- * containing a search expression and a replace string:
- * <pre>
- * myFilter: {
- * 'searchExp': "-min\\.js",
- * 'replaceStr': "-debug.js"
- * }
- * </pre>
- * @property filter
- * @type string|{searchExp: string, replaceStr: string}
- */
- this.filter = null;
- /**
- * The list of requested modules
- * @property required
- * @type {string: boolean}
- */
- this.required = {};
- /**
- * The library metadata
- * @property moduleInfo
- */
- this.moduleInfo = lang.merge(YUI.info.moduleInfo);
- /**
- * List of rollup files found in the library metadata
- * @property rollups
- */
- this.rollups = null;
- /**
- * Whether or not to load optional dependencies for
- * the requested modules
- * @property loadOptional
- * @type boolean
- * @default false
- */
- this.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[]
- */
- this.sorted = [];
- /**
- * Set when beginning to compute the dependency tree.
- * Composed of what YAHOO reports to be loaded combined
- * with what has been loaded by the tool
- * @propery loaded
- * @type {string: boolean}
- */
- this.loaded = {};
- /**
- * Flag to indicate the dependency tree needs to be recomputed
- * if insert is called again.
- * @property dirty
- * @type boolean
- * @default true
- */
- this.dirty = true;
- /**
- * List of modules inserted by the utility
- * @property inserted
- * @type {string: boolean}
- */
- this.inserted = {};
- /**
- * 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:
- *
- * <code>
- * 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/',
- *
- * // The name of the rollup css file for the skin
- * path: 'skin.css',
- *
- * // The number of skinnable components requested that are
- * // required before using the rollup file rather than the
- * // individual component css files
- * rollup: 3,
- *
- * // 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']
- * }
- * }
- * </code>
- * @property skin
- */
- var self = this;
- env.listeners.push(function(m) {
- if (self._useYahooListener) {
- //Y.log("YAHOO listener: " + m.name);
- self.loadNext(m.name);
- }
- });
- this.skin = lang.merge(YUI.info.skin);
- this._config(o);
- };
- Y.util.YUILoader.prototype = {
- FILTERS: {
- RAW: {
- 'searchExp': "-min\\.js",
- 'replaceStr': ".js"
- },
- DEBUG: {
- 'searchExp': "-min\\.js",
- 'replaceStr': "-debug.js"
- }
- },
- SKIN_PREFIX: "skin-",
- _config: function(o) {
- // apply config values
- if (o) {
- for (var i in o) {
- if (lang.hasOwnProperty(o, i)) {
- if (i == "require") {
- this.require(o[i]);
- } else {
- this[i] = o[i];
- }
- }
- }
- }
- // fix filter
- var f = this.filter;
- if (lang.isString(f)) {
- f = f.toUpperCase();
- // the logger must be available in order to use the debug
- // versions of the library
- if (f === "DEBUG") {
- this.require("logger");
- }
- // hack to handle a a bug where LogWriter is being instantiated
- // at load time, and the loader has no way to sort above it
- // at the moment.
- if (!Y.widget.LogWriter) {
- Y.widget.LogWriter = function() {
- return Y;
- };
- }
- this.filter = this.FILTERS[f];
- }
- },
- /** Add a new module to the component metadata.
- * <dl>
- * <dt>name:</dt> <dd>required, the component name</dd>
- * <dt>type:</dt> <dd>required, the component type (js or css)</dd>
- * <dt>path:</dt> <dd>required, the path to the script from "base"</dd>
- * <dt>requires:</dt> <dd>array of modules required by this component</dd>
- * <dt>optional:</dt> <dd>array of optional modules for this component</dd>
- * <dt>supersedes:</dt> <dd>array of the modules this component replaces</dd>
- * <dt>after:</dt> <dd>array of modules the components which, if present, should be sorted above this one</dd>
- * <dt>rollup:</dt> <dd>the number of superseded modules required for automatic rollup</dd>
- * <dt>fullpath:</dt> <dd>If fullpath is specified, this is used instead of the configured base + path</dd>
- * <dt>skinnable:</dt> <dd>flag to determine if skin assets should automatically be pulled in</dd>
- * </dl>
- * @method addModule
- * @param o An object containing the module data
- * @return {boolean} true if the module was added, false if
- * the object passed in did not provide all required attributes
- */
- addModule: function(o) {
- if (!o || !o.name || !o.type || (!o.path && !o.fullpath)) {
- return false;
- }
- o.ext = ('ext' in o) ? o.ext : true;
- o.requires = o.requires || [];
- this.moduleInfo[o.name] = o;
- this.dirty = true;
- return true;
- },
- /**
- * Add a requirement for one or more module
- * @method require
- * @param what {string[] | string*} the modules to load
- */
- require: function(what) {
- var a = (typeof what === "string") ? arguments : what;
- this.dirty = true;
- YUI.ObjectUtil.appendArray(this.required, a);
- },
- /**
- * Adds the skin def to the module info
- * @method _addSkin
- * @param skin {string} the name of the skin
- * @param mod {string} the name of the module
- * @return {string} the module name for the skin
- * @private
- */
- _addSkin: function(skin, mod) {
- // Add a module definition for the skin rollup css
- var name = this.formatSkin(skin), info = this.moduleInfo,
- sinf = this.skin, ext = info[mod] && info[mod].ext;
- // Y.log('ext? ' + mod + ": " + ext);
- if (!info[name]) {
- // Y.log('adding skin ' + name);
- this.addModule({
- 'name': name,
- 'type': 'css',
- 'path': sinf.base + skin + '/' + sinf.path,
- //'supersedes': '*',
- 'after': sinf.after,
- 'rollup': sinf.rollup,
- 'ext': ext
- });
- }
- // Add a module definition for the module-specific skin css
- if (mod) {
- name = this.formatSkin(skin, mod);
- if (!info[name]) {
- var mdef = info[mod], pkg = mdef.pkg || mod;
- // Y.log('adding skin ' + name);
- this.addModule({
- 'name': name,
- 'type': 'css',
- 'after': sinf.after,
- 'path': pkg + '/' + sinf.base + skin + '/' + mod + '.css',
- 'ext': ext
- });
- }
- }
- return name;
- },
- /**
- * Returns an object containing properties for all modules required
- * in order to load the requested module
- * @method getRequires
- * @param mod The module definition from moduleInfo
- */
- getRequires: function(mod) {
- if (!mod) {
- return [];
- }
- if (!this.dirty && mod.expanded) {
- return mod.expanded;
- }
- mod.requires=mod.requires || [];
- var i, d=[], r=mod.requires, o=mod.optional, info=this.moduleInfo, m;
- for (i=0; i<r.length; i=i+1) {
- d.push(r[i]);
- m = info[r[i]];
- YUI.ArrayUtil.appendArray(d, this.getRequires(m));
- // add existing skins for skinnable modules as well. The only
- // way to do this is go through the list of required items (this
- // assumes that _skin is called before getRequires is called on
- // the module.
- // if (m.skinnable) {
- // var req=this.required, l=req.length;
- // for (var j=0; j<l; j=j+1) {
- // // YAHOO.log('checking ' + r[j]);
- // if (req[j].indexOf(r[j]) > -1) {
- // // YAHOO.log('adding ' + r[j]);
- // d.push(req[j]);
- // }
- // }
- // }
- }
- if (o && this.loadOptional) {
- for (i=0; i<o.length; i=i+1) {
- d.push(o[i]);
- YUI.ArrayUtil.appendArray(d, this.getRequires(info[o[i]]));
- }
- }
- mod.expanded = YUI.ArrayUtil.uniq(d);
- return mod.expanded;
- },
- /**
- * Returns an object literal of the modules the supplied module satisfies
- * @method getProvides
- * @param name{string} The name of the module
- * @param notMe {string} don't add this module name, only include superseded modules
- * @return what this module provides
- */
- getProvides: function(name, notMe) {
- var addMe = !(notMe), ckey = (addMe) ? PROV : SUPER,
- m = this.moduleInfo[name], o = {};
- if (!m) {
- return o;
- }
- if (m[ckey]) {
- // Y.log('cached: ' + name + ' ' + ckey + ' ' + lang.dump(this.moduleInfo[name][ckey], 0));
- return m[ckey];
- }
- var s = m.supersedes, done={}, me = this;
- // use worker to break cycles
- var add = function(mm) {
- if (!done[mm]) {
- // Y.log(name + ' provides worker trying: ' + mm);
- done[mm] = true;
- // we always want the return value normal behavior
- // (provides) for superseded modules.
- lang.augmentObject(o, me.getProvides(mm));
- }
-
- // else {
- // Y.log(name + ' provides worker skipping done: ' + mm);
- // }
- };
- // calculate superseded modules
- if (s) {
- for (var i=0; i<s.length; i=i+1) {
- add(s[i]);
- }
- }
- // supersedes cache
- m[SUPER] = o;
- // provides cache
- m[PROV] = lang.merge(o);
- m[PROV][name] = true;
- // Y.log(name + " supersedes " + lang.dump(m[SUPER], 0));
- // Y.log(name + " provides " + lang.dump(m[PROV], 0));
- return m[ckey];
- },
- /**
- * Calculates the dependency tree, the result is stored in the sorted
- * property
- * @method calculate
- * @param o optional options object
- */
- calculate: function(o) {
- if (o || this.dirty) {
- this._config(o);
- this._setup();
- this._explode();
- // this._skin(); // deprecated
- if (this.allowRollup) {
- this._rollup();
- }
- this._reduce();
- this._sort();
- // Y.log("after calculate: " + lang.dump(this.required));
- this.dirty = false;
- }
- },
- /**
- * 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;
- // Create skin modules
- for (name in info) {
- if (lang.hasOwnProperty(info, name)) {
- var m = info[name];
- if (m && m.skinnable) {
- // Y.log("skinning: " + name);
- var o=this.skin.overrides, smod;
- if (o && o[name]) {
- for (i=0; i<o[name].length; i=i+1) {
- smod = this._addSkin(o[name][i], name);
- }
- } else {
- smod = this._addSkin(this.skin.defaultSkin, name);
- }
- m.requires.push(smod);
- }
- }
- }
- var l = lang.merge(this.inserted); // shallow clone
-
- if (!this._sandbox) {
- l = lang.merge(l, env.modules);
- }
- // Y.log("Already loaded stuff: " + lang.dump(l, 0));
- // add the ignore list to the list of loaded packages
- if (this.ignore) {
- YUI.ObjectUtil.appendArray(l, this.ignore);
- }
- // remove modules on the force list from the loaded list
- if (this.force) {
- for (i=0; i<this.force.length; i=i+1) {
- if (this.force[i] in l) {
- delete l[this.force[i]];
- }
- }
- }
- // expand the list to include superseded modules
- for (j in l) {
- // Y.log("expanding: " + j);
- if (lang.hasOwnProperty(l, j)) {
- lang.augmentObject(l, this.getProvides(j));
- }
- }
- // Y.log("loaded expanded: " + lang.dump(l, 0));
- this.loaded = l;
- },
-
- /**
- * 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() {
- var r=this.required, i, mod;
- for (i in r) {
- if (lang.hasOwnProperty(r, i)) {
- mod = this.moduleInfo[i];
- if (mod) {
- var req = this.getRequires(mod);
- if (req) {
- YUI.ObjectUtil.appendArray(r, req);
- }
- }
- }
- }
- },
- /**
- * Sets up the requirements for the skin assets if any of the
- * requested modules are skinnable
- * @method _skin
- * @private
- * @deprecated skin modules are generated for all skinnable
- * components during _setup(), and the components
- * are configured to require the skin.
- */
- _skin: function() {
- },
- /**
- * 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 skin {string} the name of the skin
- * @param mod {string} optional: the name of a module to skin
- * @return {string} the full skin module name
- */
- formatSkin: function(skin, mod) {
- var s = this.SKIN_PREFIX + skin;
- if (mod) {
- s = s + "-" + mod;
- }
- return s;
- },
-
- /**
- * Reverses <code>formatSkin</code>, providing the skin name and
- * module name if the string matches the pattern for skins.
- * @method parseSkin
- * @param mod {string} the module name to parse
- * @return {skin: string, module: string} the parsed skin name
- * and module name, or null if the supplied string does not match
- * the skin pattern
- */
- parseSkin: function(mod) {
-
- if (mod.indexOf(this.SKIN_PREFIX) === 0) {
- var a = mod.split("-");
- return {skin: a[1], module: a[2]};
- }
- return null;
- },
- /**
- * Look for rollup packages to determine if all of the modules a
- * rollup supersedes are required. If so, include the rollup to
- * help reduce the total number of connections required. Called
- * by calculate()
- * @method _rollup
- * @private
- */
- _rollup: function() {
- var i, j, m, s, rollups={}, r=this.required, roll,
- info = this.moduleInfo;
- // find and cache rollup modules
- if (this.dirty || !this.rollups) {
- for (i in info) {
- if (lang.hasOwnProperty(info, i)) {
- m = info[i];
- //if (m && m.rollup && m.supersedes) {
- if (m && m.rollup) {
- rollups[i] = m;
- }
- }
- }
- this.rollups = rollups;
- }
- // make as many passes as needed to pick up rollup rollups
- for (;;) {
- var rolled = false;
- // go through the rollup candidates
- for (i in rollups) {
- // there can be only one
- if (!r[i] && !this.loaded[i]) {
- m =info[i]; s = m.supersedes; roll=false;
- if (!m.rollup) {
- continue;
- }
- var skin = (m.ext) ? false : this.parseSkin(i), c = 0;
- // Y.log('skin? ' + i + ": " + skin);
- if (skin) {
- for (j in r) {
- if (lang.hasOwnProperty(r, j)) {
- if (i !== j && this.parseSkin(j)) {
- c++;
- roll = (c >= m.rollup);
- if (roll) {
- // Y.log("skin rollup " + lang.dump(r));
- break;
- }
- }
- }
- }
- } else {
- // check the threshold
- for (j=0;j<s.length;j=j+1) {
- // if the superseded module is loaded, we can't load the rollup
- if (this.loaded[s[j]] && (!YUI.dupsAllowed[s[j]])) {
- roll = false;
- break;
- // increment the counter if this module is required. if we are
- // beyond the rollup threshold, we will use the rollup module
- } else if (r[s[j]]) {
- c++;
- roll = (c >= m.rollup);
- if (roll) {
- // Y.log("over thresh " + c + ", " + lang.dump(r));
- break;
- }
- }
- }
- }
- if (roll) {
- // Y.log("rollup: " + i + ", " + lang.dump(this, 1));
- // add the rollup
- r[i] = true;
- rolled = true;
- // expand the rollup's dependencies
- this.getRequires(m);
- }
- }
- }
- // if we made it here w/o rolling up something, we are done
- if (!rolled) {
- break;
- }
- }
- },
- /**
- * Remove superceded modules and loaded modules. Called by
- * calculate() after we have the mega list of all dependencies
- * @method _reduce
- * @private
- */
- _reduce: function() {
- var i, j, s, m, r=this.required;
- for (i in r) {
- // remove if already loaded
- if (i in this.loaded) {
- delete r[i];
- // remove anything this module supersedes
- } else {
- var skinDef = this.parseSkin(i);
- if (skinDef) {
- //YAHOO.log("skin found in reduce: " + skinDef.skin + ", " + skinDef.module);
- // the skin rollup will not have a module name
- if (!skinDef.module) {
- var skin_pre = this.SKIN_PREFIX + skinDef.skin;
- //YAHOO.log("skin_pre: " + skin_pre);
- for (j in r) {
- if (lang.hasOwnProperty(r, j)) {
- m = this.moduleInfo[j];
- var ext = m && m.ext;
- if (!ext && j !== i && j.indexOf(skin_pre) > -1) {
- // Y.log ("removing component skin: " + j);
- delete r[j];
- }
- }
- }
- }
- } else {
- m = this.moduleInfo[i];
- s = m && m.supersedes;
- if (s) {
- for (j=0; j<s.length; j=j+1) {
- if (s[j] in r) {
- delete r[s[j]];
- }
- }
- }
- }
- }
- }
- },
- _onFailure: function(msg) {
- YAHOO.log('Failure', 'info', 'loader');
- var f = this.onFailure;
- if (f) {
- f.call(this.scope, {
- msg: 'failure: ' + msg,
- data: this.data,
- success: false
- });
- }
- },
- _onTimeout: function() {
- YAHOO.log('Timeout', 'info', 'loader');
- var f = this.onTimeout;
- if (f) {
- f.call(this.scope, {
- msg: 'timeout',
- data: this.data,
- success: false
- });
- }
- },
-
- /**
- * Sorts the dependency tree. The last step of calculate()
- * @method _sort
- * @private
- */
- _sort: function() {
- // create an indexed list
- var s=[], info=this.moduleInfo, loaded=this.loaded,
- checkOptional=!this.loadOptional, me = this;
- // returns true if b is not loaded, and is required
- // directly or by means of modules it supersedes.
- var requires = function(aa, bb) {
- var mm=info[aa];
- if (loaded[bb] || !mm) {
- return false;
- }
- var ii,
- rr = mm.expanded,
- after = mm.after,
- other = info[bb],
- optional = mm.optional;
- // check if this module requires the other directly
- if (rr && YUI.ArrayUtil.indexOf(rr, bb) > -1) {
- return true;
- }
- // check if this module should be sorted after the other
- if (after && YUI.ArrayUtil.indexOf(after, bb) > -1) {
- return true;
- }
- // if loadOptional is not specified, optional dependencies still
- // must be sorted correctly when present.
- if (checkOptional && optional && YUI.ArrayUtil.indexOf(optional, bb) > -1) {
- return true;
- }
- // check if this module requires one the other supersedes
- var ss=info[bb] && info[bb].supersedes;
- if (ss) {
- for (ii=0; ii<ss.length; ii=ii+1) {
- if (requires(aa, ss[ii])) {
- return true;
- }
- }
- }
- // var ss=me.getProvides(bb, true);
- // if (ss) {
- // for (ii in ss) {
- // if (requires(aa, ii)) {
- // return true;
- // }
- // }
- // }
- // external css files should be sorted below yui css
- if (mm.ext && mm.type == 'css' && !other.ext && other.type == 'css') {
- return true;
- }
- return false;
- };
- // get the required items out of the obj into an array so we
- // can sort
- for (var i in this.required) {
- if (lang.hasOwnProperty(this.required, i)) {
- s.push(i);
- }
- }
- // pointer to the first unsorted item
- var p=0;
- // keep going until we make a pass without moving anything
- for (;;) {
-
- var l=s.length, a, b, j, k, moved=false;
- // start the loop after items that are already sorted
- for (j=p; j<l; j=j+1) {
- // 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=k+1) {
- if (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]);
- 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 = p + 1;
- }
- }
- // when we make it here and moved is false, we are
- // finished sorting
- if (!moved) {
- break;
- }
- }
- this.sorted = s;
- },
- toString: function() {
- var o = {
- type: "YUILoader",
- base: this.base,
- filter: this.filter,
- required: this.required,
- loaded: this.loaded,
- inserted: this.inserted
- };
- lang.dump(o, 1);
- },
- _combine: function() {
- this._combining = [];
- var self = this,
- s=this.sorted,
- len = s.length,
- js = this.comboBase,
- css = this.comboBase,
- target,
- startLen = js.length,
- i, m, type = this.loadType;
- YAHOO.log('type ' + type);
- for (i=0; i<len; i=i+1) {
- m = this.moduleInfo[s[i]];
- if (m && !m.ext && (!type || type === m.type)) {
- target = this.root + m.path;
- // if (i < len-1) {
- target += '&';
- // }
- if (m.type == 'js') {
- js += target;
- } else {
- css += target;
- }
- // YAHOO.log(target);
- this._combining.push(s[i]);
- }
- }
- if (this._combining.length) {
- YAHOO.log('Attempting to combine: ' + this._combining, "info", "loader");
- var callback=function(o) {
- // YAHOO.log('Combo complete: ' + o.data, "info", "loader");
- // this._combineComplete = true;
- var c=this._combining, len=c.length, i, m;
- for (i=0; i<len; i=i+1) {
- this.inserted[c[i]] = true;
- }
- this.loadNext(o.data);
- },
-
- loadScript = function() {
- // YAHOO.log('combining js: ' + js);
- if (js.length > startLen) {
- YAHOO.util.Get.script(self._filter(js), {
- data: self._loading,
- onSuccess: callback,
- onFailure: self._onFailure,
- onTimeout: self._onTimeout,
- insertBefore: self.insertBefore,
- charset: self.charset,
- timeout: self.timeout,
- scope: self
- });
- }
- };
- // load the css first
- // YAHOO.log('combining css: ' + css);
- if (css.length > startLen) {
- YAHOO.util.Get.css(this._filter(css), {
- data: this._loading,
- onSuccess: loadScript,
- onFailure: this._onFailure,
- onTimeout: this._onTimeout,
- insertBefore: this.insertBefore,
- charset: this.charset,
- timeout: this.timeout,
- scope: self
- });
- } else {
- loadScript();
- }
- return;
- } else {
- // this._combineComplete = true;
- this.loadNext(this._loading);
- }
- },
- /**
- * inserts the requested modules and their dependencies.
- * <code>type</code> can be "js" or "css". Both script and
- * css are inserted if type is not provided.
- * @method insert
- * @param o optional options object
- * @param type {string} the type of dependency to insert
- */
- insert: function(o, type) {
- // if (o) {
- // Y.log("insert: " + lang.dump(o, 1) + ", " + type);
- // } else {
- // Y.log("insert: " + this.toString() + ", " + type);
- // }
- // build the dependency list
- this.calculate(o);
- // set a flag to indicate the load has started
- this._loading = true;
- // flag to indicate we are done with the combo service
- // and any additional files will need to be loaded
- // individually
- // this._combineComplete = false;
- // keep the loadType (js, css or undefined) cached
- this.loadType = type;
- if (this.combine) {
- return this._combine();
- }
- if (!type) {
- // Y.log("trying to load css first");
- var self = this;
- this._internalCallback = function() {
- self._internalCallback = null;
- self.insert(null, "js");
- };
- this.insert(null, "css");
- return;
- }
- // start the load
- this.loadNext();
- },
- /**
- * Interns the script for the requested modules. The callback is
- * provided a reference to the sandboxed YAHOO object. This only
- * applies to the script: css can not be sandboxed; css will be
- * loaded into the page normally if specified.
- * @method sandbox
- * @param callback {Function} the callback to exectued when the load is
- * complete.
- */
- sandbox: function(o, type) {
- // if (o) {
- // YAHOO.log("sandbox: " + lang.dump(o, 1) + ", " + type);
- // } else {
- // YAHOO.log("sandbox: " + this.toString() + ", " + type);
- // }
- this._config(o);
- if (!this.onSuccess) {
- throw new Error("You must supply an onSuccess handler for your sandbox");
- }
- this._sandbox = true;
- var self = this;
- // take care of any css first (this can't be sandboxed)
- if (!type || type !== "js") {
- this._internalCallback = function() {
- self._internalCallback = null;
- self.sandbox(null, "js");
- };
- this.insert(null, "css");
- return;
- }
- // get the connection manager if not on the page
- if (!util.Connect) {
- // get a new loader instance to load connection.
- var ld = new YAHOO.util.YUILoader();
- ld.insert({
- base: this.base,
- filter: this.filter,
- require: "connection",
- insertBefore: this.insertBefore,
- charset: this.charset,
- onSuccess: function() {
- this.sandbox(null, "js");
- },
- scope: this
- }, "js");
- return;
- }
- this._scriptText = [];
- this._loadCount = 0;
- this._stopCount = this.sorted.length;
- this._xhr = [];
- this.calculate();
- var s=this.sorted, l=s.length, i, m, url;
- for (i=0; i<l; i=i+1) {
- m = this.moduleInfo[s[i]];
- // undefined modules cause a failure
- if (!m) {
- this._onFailure("undefined module " + m);
- for (var j=0;j<this._xhr.length;j=j+1) {
- this._xhr[j].abort();
- }
- return;
- }
- // css files should be done
- if (m.type !== "js") {
- this._loadCount++;
- continue;
- }
- url = m.fullpath;
- url = (url) ? this._filter(url) : this._url(m.path);
- // YAHOO.log("xhr request: " + url + ", " + i);
- var xhrData = {
- success: function(o) {
-
- var idx=o.argument[0], name=o.argument[2];
- // store the response in the position it was requested
- this._scriptText[idx] = o.responseText;
-
- // YAHOO.log("received: " + o.responseText.substr(0, 100) + ", " + idx);
-
- if (this.onProgress) {
- this.onProgress.call(this.scope, {
- name: name,
- scriptText: o.responseText,
- xhrResponse: o,
- data: this.data
- });
- }
- // only generate the sandbox once everything is loaded
- this._loadCount++;
- if (this._loadCount >= this._stopCount) {
- // the variable to find
- var v = this.varName || "YAHOO";
- // wrap the contents of the requested modules in an anonymous function
- var t = "(function() {\n";
-
- // return the locally scoped reference.
- var b = "\nreturn " + v + ";\n})();";
- var ref = eval(t + this._scriptText.join("\n") + b);
- this._pushEvents(ref);
- if (ref) {
- this.onSuccess.call(this.scope, {
- reference: ref,
- data: this.data
- });
- } else {
- this._onFailure.call(this.varName + " reference failure");
- }
- }
- },
- failure: function(o) {
- this.onFailure.call(this.scope, {
- msg: "XHR failure",
- xhrResponse: o,
- data: this.data
- });
- },
- scope: this,
- // module index, module name, sandbox name
- argument: [i, url, s[i]]
- };
- this._xhr.push(util.Connect.asyncRequest('GET', url, xhrData));
- }
- },
- /**
- * 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
- * YAHOO.register to determine when scripts are fully loaded
- * @method loadNext
- * @param mname {string} optional the name of the module that has
- * been loaded (which is usually why it is time to load the next
- * one)
- */
- loadNext: function(mname) {
- // It is possible that this function is executed due to something
- // else one the page loading a YUI module. Only react when we
- // are actively loading something
- if (!this._loading) {
- return;
- }
- if (mname) {
- // if the module that was just loaded isn't what we were expecting,
- // continue to wait
- if (mname !== this._loading) {
- return;
- }
- // YAHOO.log("loadNext executing, just loaded " + mname);
- // The global handler that is called when each module is loaded
- // will pass that module name to this function. Storing this
- // data to avoid loading the same module multiple times
- this.inserted[mname] = true;
- if (this.onProgress) {
- this.onProgress.call(this.scope, {
- name: mname,
- data: this.data
- });
- }
- //var o = this.getProvides(mname);
- //this.inserted = lang.merge(this.inserted, o);
- }
- var s=this.sorted, len=s.length, i, m;
- for (i=0; i<len; i=i+1) {
- // This.inserted keeps track of what the loader has loaded
- if (s[i] in this.inserted) {
- // YAHOO.log(s[i] + " alread loaded ");
- continue;
- }
- // Because rollups will cause multiple load notifications
- // from YAHOO, loadNext may be called multiple times for
- // the same module when loading a rollup. We can safely
- // skip the subsequent requests
- if (s[i] === this._loading) {
- // YAHOO.log("still loading " + s[i] + ", waiting");
- return;
- }
- // log("inserting " + s[i]);
- m = this.moduleInfo[s[i]];
- if (!m) {
- this.onFailure.call(this.scope, {
- msg: "undefined module " + m,
- data: this.data
- });
- return;
- }
- // The load type is stored to offer the possibility to load
- // the css separately from the script.
- if (!this.loadType || this.loadType === m.type) {
- this._loading = s[i];
- //YAHOO.log("attempting to load " + s[i] + ", " + this.base);
- var fn=(m.type === "css") ? util.Get.css : util.Get.script,
- url = m.fullpath,
- self=this,
- c=function(o) {
- self.loadNext(o.data);
- };
- url = (url) ? this._filter(url) : this._url(m.path);
- // safari 2.x or lower, script, and part of YUI
- if (env.ua.webkit && env.ua.webkit < 420 && m.type === "js" &&
- !m.varName) {
- //YUI.info.moduleInfo[s[i]]) {
- //YAHOO.log("using YAHOO env " + s[i] + ", " + m.varName);
- c = null;
- this._useYahooListener = true;
- }
- fn(url, {
- data: s[i],
- onSuccess: c,
- onFailure: this._onFailure,
- onTimeout: this._onTimeout,
- insertBefore: this.insertBefore,
- charset: this.charset,
- timeout: this.timeout,
- varName: m.varName,
- scope: self
- });
- return;
- }
- }
- // we are finished
- this._loading = null;
- // internal callback for loading css first
- if (this._internalCallback) {
- var f = this._internalCallback;
- this._internalCallback = null;
- f.call(this);
- } else if (this.onSuccess) {
- this._pushEvents();
- this.onSuccess.call(this.scope, {
- data: this.data
- });
- }
- },
- /**
- * In IE, the onAvailable/onDOMReady events need help when Event is
- * loaded dynamically
- * @method _pushEvents
- * @param {Function} optional function reference
- * @private
- */
- _pushEvents: function(ref) {
- var r = ref || YAHOO;
- if (r.util && r.util.Event) {
- r.util.Event._load();
- }
- },
- /**
- * Applies filter
- * method _filter
- * @return {string} the filtered string
- * @private
- */
- _filter: function(str) {
- var f = this.filter;
- return (f) ? str.replace(new RegExp(f.searchExp, 'g'), f.replaceStr) : str;
- },
- /**
- * Generates the full url for a module
- * method _url
- * @param path {string} the path fragment
- * @return {string} the full url
- * @private
- */
- _url: function(path) {
- return this._filter((this.base || "") + path);
- }
- };
- })();
- YAHOO.register("yuiloader", YAHOO.util.YUILoader, {version: "2.8.0r4", build: "2449"});
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