/*
Copyright (c) 2009, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 3.0.0b1
build: 1163
*/
(function() {
var _instances = {},
_startTime = new Date().getTime(),
p,
i,
add = function () {
if (window.addEventListener) {
return function(el, type, fn, capture) {
el.addEventListener(type, fn, (!!capture));
};
} else if (window.attachEvent) {
return function(el, type, fn) {
el.attachEvent("on" + type, fn);
};
} else {
return function(){};
}
}(),
remove = function() {
if (window.removeEventListener) {
return function (el, type, fn, capture) {
el.removeEventListener(type, fn, !!capture);
};
} else if (window.detachEvent) {
return function (el, type, fn) {
el.detachEvent("on" + type, fn);
};
} else {
return function(){};
}
}(),
globalListener = function() {
YUI.Env.windowLoaded = true;
YUI.Env.DOMReady = true;
remove(window, 'load', globalListener);
},
// @TODO: this needs to be created at build time from module metadata
_APPLY_TO_WHITE_LIST = {
'io.xdrReady': 1,
'io.start': 1,
'io.success': 1,
'io.failure': 1
},
SLICE = Array.prototype.slice;
// reduce to one or the other
if (typeof YUI === 'undefined' || !YUI) {
/**
* The YUI global namespace object. If YUI is already defined, the
* existing YUI object will not be overwritten so that defined
* namespaces are preserved.
*
* @class YUI
* @constructor
* @global
* @uses EventTarget
* @param o Optional configuration object. This object is stored
* in YUI.config. See config for the list of supported properties.
*/
/*global YUI*/
// Make a function, disallow direct instantiation
YUI = function(o) {
var Y = this;
// Allow instantiation without the new operator
if (!(Y instanceof YUI)) {
return new YUI(o);
} else {
// set up the core environment
Y._init(o);
// bind the specified additional modules for this instance
Y._setup();
return Y;
}
};
}
// The prototype contains the functions that are required to allow the external
// modules to be registered and for the instance to be initialized.
YUI.prototype = {
/**
* Initialize this YUI instance
* @param o config options
* @private
*/
_init: function(o) {
o = o || {};
// find targeted window/frame
// @TODO create facades
var v = '3.0.0b1', Y = this;
o.win = o.win || window || {};
o.win = o.win.contentWindow || o.win;
o.doc = o.win.document;
o.debug = ('debug' in o) ? o.debug : true;
o.useBrowserConsole = ('useBrowserConsole' in o) ? o.useBrowserConsole : true;
o.throwFail = ('throwFail' in o) ? o.throwFail : true;
// add a reference to o for anything that needs it
// before _setup is called.
Y.config = o;
Y.Env = {
// @todo expand the new module metadata
mods: {},
_idx: 0,
_used: {},
_attached: {},
_yidx: 0,
_uidx: 0,
_loaded: {}
};
if (v.indexOf('@') > -1) {
v = 'test';
}
Y.version = v;
Y.Env._loaded[v] = {};
if (YUI.Env) {
Y.Env._yidx = (++YUI.Env._yidx);
Y.Env._guidp = ('yui_' + this.version + '-' + Y.Env._yidx + '-' + _startTime).replace(/\./g, '_');
Y.id = Y.stamp(Y);
_instances[Y.id] = Y;
}
Y.constructor = YUI;
// this.log(this.id + ') init ');
},
/**
* Finishes the instance setup. Attaches whatever modules were defined
* when the yui modules was registered.
* @method _setup
* @private
*/
_setup: function(o) {
this.use("yui-base");
// @TODO eval the need to copy the config
this.config = this.merge(this.config);
},
/**
* Executes a method on a YUI instance with
* the specified id if the specified method is whitelisted.
* @method applyTo
* @param id {string} the YUI instance id
* @param method {string} the name of the method to exectute.
* Ex: 'Object.keys'
* @param args {Array} the arguments to apply to the method
* @return {object} the return value from the applied method or null
*/
applyTo: function(id, method, args) {
if (!(method in _APPLY_TO_WHITE_LIST)) {
this.error(method + ': applyTo not allowed');
return null;
}
var instance = _instances[id], nest, m, i;
if (instance) {
nest = method.split('.');
m = instance;
for (i=0; i<nest.length; i=i+1) {
m = m[nest[i]];
if (!m) {
this.error('applyTo not found: ' + method);
}
}
return m.apply(instance, args);
}
return null;
},
/**
* Register a module
* @method add
* @param name {string} module name
* @param fn {Function} entry point into the module that
* is used to bind module to the YUI instance
* @param version {string} version string
* @param details optional config data:
* requires - features that should be present before loading
* optional - optional features that should be present if load optional defined
* use - features that should be attached automatically
* skinnable -
* rollup
* omit - features that should not be loaded if this module is present
* @return {YUI} the YUI instance
*
*/
add: function(name, fn, version, details) {
// this.log('Adding a new component ' + name);
// @todo expand this to include version mapping
// @todo allow requires/supersedes
// @todo may want to restore the build property
// @todo fire moduleAvailable event
var m = {
name: name,
fn: fn,
version: version,
details: details || {}
};
YUI.Env.mods[name] = m;
return this; // chain support
},
_attach: function(r, fromLoader) {
var mods = YUI.Env.mods,
attached = this.Env._attached,
i, l = r.length, name, m, d, req, use;
for (i=0; i<l; i=i+1) {
name = r[i];
m = mods[name];
if (!attached[name] && m) {
attached[name] = true;
d = m.details;
req = d.requires;
use = d.use;
if (req) {
this._attach(this.Array(req));
}
// this.log('attaching ' + name, 'info', 'yui');
if (m.fn) {
m.fn(this);
}
if (use) {
this._attach(this.Array(use));
}
}
}
},
/**
* Bind a module to a YUI instance
* @param modules* {string} 1-n modules to bind (uses arguments array)
* @param *callback {function} callback function executed when
* the instance has the required functionality. If included, it
* must be the last parameter.
*
* @TODO
* Implement versioning? loader can load different versions?
* Should sub-modules/plugins be normal modules, or do
* we add syntax for specifying these?
*
* YUI().use('dragdrop')
* YUI().use('dragdrop:2.4.0'); // specific version
* YUI().use('dragdrop:2.4.0-'); // at least this version
* YUI().use('dragdrop:2.4.0-2.9999.9999'); // version range
* YUI().use('*'); // use all available modules
* YUI().use('lang+dump+substitute'); // use lang and some plugins
* YUI().use('lang+*'); // use lang and all known plugins
*
*
* @return {YUI} the YUI instance
*/
use: function() {
if (this._loading) {
this._useQueue.add(SLICE.call(arguments, 0));
return this;
}
var Y = this,
a=SLICE.call(arguments, 0),
mods = YUI.Env.mods,
used = Y.Env._used,
loader,
firstArg = a[0],
dynamic = false,
callback = a[a.length-1],
k, i, l, missing = [],
r = [],
f = function(name) {
// only attach a module once
if (used[name]) {
// Y.log(name + ' already used', 'info', 'yui');
return;
}
var m = mods[name], j, req, use;
if (m) {
// Y.log('USING ' + name, 'info', 'yui');
used[name] = true;
req = m.details.requires;
use = m.details.use;
} else {
// CSS files don't register themselves, see if it has been loaded
if (!YUI.Env._loaded[Y.version][name]) {
Y.log('module not found: ' + name, 'info', 'yui');
missing.push(name);
} else {
// probably css
// Y.log('module not found BUT HAS BEEN LOADED: ' + name, 'info', 'yui');
used[name] = true;
}
}
// make sure requirements are attached
if (req) {
if (Y.Lang.isString(req)) {
f(req);
} else {
for (j = 0; j < req.length; j = j + 1) {
// Y.log('using module\'s requirements: ' + name, 'info', 'yui');
f(req[j]);
}
}
}
// add this module to full list of things to attach
// Y.log('adding to requires list: ' + name);
r.push(name);
},
onComplete = function(fromLoader) {
// Y.log('Use complete');
fromLoader = fromLoader || {
success: true,
msg: 'not dynamic'
};
if (Y.Env._callback) {
var cb = Y.Env._callback;
Y.Env._callback = null;
cb(Y, fromLoader);
}
if (Y.fire) {
Y.fire('yui:load', Y, fromLoader);
}
// process queued use requests as long until done
// or dynamic load happens again.
this._loading = false;
while (this._useQueue && this._useQueue.size() && !this._loading) {
Y.use.apply(Y, this._useQueue.next());
}
};
// Y.log(Y.id + ': use called: ' + a + ' :: ' + callback);
// The last argument supplied to use can be a load complete callback
if (typeof callback === 'function') {
a.pop();
Y.Env._callback = callback;
} else {
callback = null;
}
// YUI().use('*'); // bind everything available
if (firstArg === "*") {
a = [];
for (k in mods) {
if (mods.hasOwnProperty(k)) {
a.push(k);
}
}
// Y.log('Use *: ' + a);
return Y.use.apply(Y, a);
}
// Y.log('loader before: ' + a.join(','));
// use loader to expand dependencies and sort the
// requirements if it is available.
if (Y.Loader) {
dynamic = true;
this._useQueue = this._useQueue || new Y.Queue();
loader = new Y.Loader(Y.config);
loader.require(a);
loader.ignoreRegistered = true;
loader.allowRollup = false;
loader.calculate();
a = loader.sorted;
}
// Y.log('loader after: ' + a.join(','));
l = a.length;
// process each requirement and any additional requirements
// the module metadata specifies
for (i=0; i<l; i=i+1) {
f(a[i]);
}
// Y.log('all reqs: ' + r + ' --- missing: ' + missing + ', l: ' + l + ', ' + r[0]);
// dynamic load
if (Y.Loader && missing.length) {
Y.log('Attempting to dynamically load the missing modules ' + missing, 'info', 'yui');
this._loading = true;
loader = new Y.Loader(Y.config);
loader.onSuccess = onComplete;
loader.onFailure = onComplete;
loader.onTimeout = onComplete;
loader.attaching = a;
loader.require(missing);
loader.insert();
} else {
Y._attach(r);
onComplete();
}
return Y; // chain support var yui = YUI().use('dragdrop');
},
/**
* Returns the namespace specified and creates it if it doesn't exist
* <pre>
* YUI.namespace("property.package");
* YUI.namespace("YAHOO.property.package");
* </pre>
* Either of the above would create YUI.property, then
* YUI.property.package (YAHOO is scrubbed out, this is
* to remain compatible with YUI2)
*
* Be careful when naming packages. Reserved words may work in some browsers
* and not others. For instance, the following will fail in Safari:
* <pre>
* YUI.namespace("really.long.nested.namespace");
* </pre>
* This fails because "long" is a future reserved word in ECMAScript
*
* @method namespace
* @param {string*} arguments 1-n namespaces to create
* @return {object} A reference to the last namespace object created
*/
namespace: function() {
var a=arguments, o=null, i, j, d;
for (i=0; i<a.length; i=i+1) {
d = ("" + a[i]).split(".");
o = this;
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;
},
// this is replaced if the log module is included
log: function() {
},
/**
* Report an error. The reporting mechanism is controled by
* the 'throwFail' configuration attribute. If throwFail is
* not specified, the message is written to the Logger, otherwise
* a JS error is thrown
* @method error
* @param msg {string} the error message
* @param e {Error} Optional JS error that was caught. If supplied
* and throwFail is specified, this error will be re-thrown.
* @return {YUI} this YUI instance
*/
error: function(msg, e) {
if (this.config.throwFail) {
throw (e || new Error(msg));
} else {
this.message(msg, "error"); // don't scrub this one
}
return this;
},
/**
* Generate an id that is unique among all YUI instances
* @method guid
* @param pre {string} optional guid prefix
* @return {string} the guid
*/
guid: function(pre) {
var id = this.Env._guidp + (++this.Env._uidx);
return (pre) ? (pre + id) : id;
},
/**
* Returns a guid associated with an object. If the object
* does not have one, a new one is created unless readOnly
* is specified.
* @method stamp
* @param o The object to stamp
* @param readOnly {boolean} if true, a valid guid will only
* be returned if the object has one assigned to it.
* @return {string} The object's guid or null
*/
stamp: function(o, readOnly) {
if (!o) {
return o;
}
var uid = (typeof o === 'string') ? o : o._yuid;
if (!uid) {
uid = this.guid();
if (!readOnly) {
try {
o._yuid = uid;
} catch(e) {
uid = null;
}
}
}
return uid;
}
};
// Give the YUI global the same properties as an instance.
// This makes it so that the YUI global can be used like the YAHOO
// global was used prior to 3.x. More importantly, the YUI global
// provides global metadata, so env needs to be configured.
// @TODO review
p = YUI.prototype;
// inheritance utilities are not available yet
for (i in p) {
if (true) {
YUI[i] = p[i];
}
}
// set up the environment
YUI._init();
// add a window load event at load time so we can capture
// the case where it fires before dynamic loading is
// complete.
add(window, 'load', globalListener);
YUI.Env.add = add;
YUI.Env.remove = remove;
/*
* Subscribe to an event. The signature differs depending on the
* type of event you are attaching to.
* @method on
* @param type {string|function|object} The type of the event. If
* this is a function, this is dispatched to the aop system. If an
* object, it is parsed for multiple subsription definitions
* @param fn {Function} The callback
* @param elspec {any} DOM element(s), selector string(s), and or
* Node ref(s) to attach DOM related events to (only applies to
* DOM events).
* @param
* @return the event target or a detach handle per 'chain' config
*/
})();
/**
* The config object contains all of the configuration options for
* the YUI instance. This object is supplied by the implementer
* when instantiating a YUI instance. Some properties have default
* values if they are not supplied by the implementer.
* @class config
* @static
*/
/**
* Turn debug statements on or off
* @property debug
* @type boolean
* @default true
*/
/**
* Log to the browser console if debug is on and the browser has a
* supported console
* @property useBrowserConsole
* @type boolean
* @default true
*/
/**
* A hash of log sources that should be logged. If specified, only log messages from these sources will be logged.
* @property logInclude
* @type object
*/
/**
* A hash of log sources that should be not be logged. If specified, all sources are logged if not on this list.</li>
* @property logExclude
* @type object
*/
/**
* Set to true if the yui seed file was dynamically loaded in
* order to bootstrap components relying on the window load event
* and onDOMReady.
* @property injected
* @type object
*/
/**
* If throwFail is set, Y.fail will generate or re-throw a JS Error. Otherwise the failure is logged.
* @property throwFail
* @type boolean
* @default true
*/
/**
* The window/frame that this instance should operate in
* @property win
* @type Window
* @default the window hosting YUI
*/
/**
* The document associated with the 'win' configuration
* @property doc
* @type Document
* @default the document hosting YUI
*/
/**
* A list of modules that defines the YUI core (overrides the default)</li>
* @property core
* @type string[]
*/
/**
* The default date format
* @property dateFormat
* @type string
*/
/**
* The default locale
* @property locale
* @type string
*/
/**
* The default interval when polling in milliseconds.
* @property pollInterval
* @type int
* @default 20
*/
/**
* The number of dynamic nodes to insert by default before
* automatically removing them. This applies to script nodes
* because remove the node will not make the evaluated script
* unavailable. Dynamic CSS is not auto purged, because removing
* a linked style sheet will also remove the style definitions.
* @property purgethreshold
* @type int
* @default 20
*/
/**
* The default interval when polling in milliseconds.
* @property windowResizeDelay
* @type int
* @default 40
*/
/**
* Base directory for dynamic loading
* @property base
* @type string
*/
/**
* The secure base dir (not implemented)
* For dynamic loading.
* @property secureBase
* @type string
*/
/**
* The YUI combo service base dir. Ex: http://yui.yahooapis.com/combo?
* For dynamic loading.
* @property comboBase
* @type string
*/
/**
* The root path to prepend to module names for the combo service. Ex: 3.0.0b1/build/
* For dynamic loading.
* @property root
* @type string
*/
/**
* 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).</dd>
* </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>
* For dynamic loading.
* @property filter
* @type string|object
*/
/**
* Hash of per-component filter specification. If specified for a given component,
* this overrides the filter config
* For dynamic loading.
* @property filters
* @type object
*/
/**
* Use the YUI combo service to reduce the number of http connections
* required to load your dependencies
* For dynamic loading.
* @property combine
* @type boolean
* @default true if 'base' is not supplied, false if it is.
*/
/**
* A list of modules that should never be dynamically loaded
* @property ignore
* @type string[]
*/
/**
* A list of modules that should always be loaded when required, even if already
* present on the page.
* @property force
* @type string[]
*/
/**
* Node or id for a node that should be used as the insertion point for new nodes
* For dynamic loading.
* @property insertBefore
* @type string
*/
/**
* charset for dynamic nodes
* @property charset
* @type string
*/
/**
* Object literal containing attributes to add to dynamically loaded script nodes.
* @property jsAttributes
* @type string
*/
/**
* Object literal containing attributes to add to dynamically loaded link nodes.
* @property cssAttributes
* @type string
*/
/**
* Number of milliseconds before a timeout occurs when dynamically
* loading nodes. If not set, there is no timeout.
* @property timeout
* @type int
*/
/**
* Callback for the 'CSSComplete' event. When dynamically loading YUI
* components with CSS, this property fires when the CSS is finished
* loading but script loading is still ongoing. This provides an
* opportunity to enhance the presentation of a loading page a little
* bit before the entire loading process is done.
* @property onCSS
* @type function
*/
/**
* A list of module definitions to add to the list of YUI components.
* These components can then be dynamically loaded side by side with
* YUI via the use() method.See Loader.addModule for the supported
* module metadata.
* @property modules
* @type function
*/
YUI.add('yui-base', function(Y) {
/*
* YUI stub
* @module yui
* @submodule yui-base
*/
(function() {
var instance = Y,
LOGEVENT = 'yui:log',
_published;
/**
* If the 'debug' config is true, a 'yui:log' event will be
* dispatched, which the Console widget and anything else
* can consume. If the 'useBrowserConsole' config is true, it will
* write to the browser console if available. YUI-specific log
* messages will only be present in the -debug versions of the
* JS files. The build system is supposed to remove log statements
* from the raw and minified versions of the files.
*
* @method log
* @for YUI
* @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)
* @param {boolean} silent If true, the log event won't fire
* @return {YUI} YUI instance
*/
instance.log = function(msg, cat, src, silent) {
var Y = instance, c = Y.config, bail = false, exc, inc, m, f;
// suppress log message if the config is off or the event stack
// or the event call stack contains a consumer of the yui:log event
if (c.debug) {
// apply source filters
if (src) {
exc = c.logExclude;
inc = c.logInclude;
if (inc && !(src in inc)) {
bail = true;
} else if (exc && (src in exc)) {
bail = true;
}
}
if (!bail) {
if (c.useBrowserConsole) {
m = (src) ? src + ': ' + msg : msg;
if (typeof console != 'undefined') {
f = (cat && console[cat]) ? cat : 'log';
console[f](m);
} else if (typeof opera != 'undefined') {
opera.postError(m);
}
}
if (Y.fire && !bail && !silent) {
if (!_published) {
Y.publish(LOGEVENT, {
broadcast: 2,
emitFacade: true
});
_published = true;
}
Y.fire(LOGEVENT, {
msg: msg,
cat: cat,
src: src
});
}
}
}
return Y;
};
/**
* Write a system message. This message will be preserved in the
* minified and raw versions of the YUI files, unlike log statements.
* @method message
* @for YUI
* @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)
* @param {boolean} silent If true, the log event won't fire
* @return {YUI} YUI instance
*/
instance.message = function() {
return instance.log.apply(instance, arguments);
};
/*
* @TODO I'm not convinced the current log statement scrubbing routine can
* be made safe with all the variations that could be supplied for
* the condition.
*
* Logs a message with Y.log() if the first parameter is true
* Y.logIf((life == 'good'), 'yay');
* logIf statements are stripped from the raw and min files.
* @method logIf
* @for YUI
* @param {boolean} condition Logging only occurs if a truthy value is provided
* @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)
* @param {boolean} silent If true, the log event won't fire
* @return {YUI} YUI instance
*/
// instance.logIf = function(condition, msg, cat, src, silent) {
// if (condition) {
// return Y.log.apply(Y, arguments);
// }
// };
})();
(function() {
/**
* Provides the language utilites and extensions used by the library
* @class Lang
* @static
*/
Y.Lang = Y.Lang || {};
var L = Y.Lang,
ARRAY = 'array',
BOOLEAN = 'boolean',
DATE = 'date',
ERROR = 'error',
FUNCTION = 'function',
NUMBER = 'number',
NULL = 'null',
OBJECT = 'object',
REGEX = 'regexp',
STRING = 'string',
TOSTRING = Object.prototype.toString,
UNDEFINED = 'undefined',
TYPES = {
'undefined' : UNDEFINED,
'number' : NUMBER,
'boolean' : BOOLEAN,
'string' : STRING,
'[object Function]' : FUNCTION,
'[object RegExp]' : REGEX,
'[object Array]' : ARRAY,
'[object Date]' : DATE,
'[object Error]' : ERROR
},
TRIMREGEX = /^\s+|\s+$/g,
EMPTYSTRING = '';
/**
* Determines whether or not the provided item is an array.
* Returns false for array-like collections such as the
* function arguments collection or HTMLElement collection
* will return false. You can use @see Array.test if you
* want to
* @method isArray
* @static
* @param o The object to test
* @return {boolean} true if o is an array
*/
L.isArray = function(o) {
return L.type(o) === ARRAY;
};
/**
* Determines whether or not the provided item is a boolean
* @method isBoolean
* @static
* @param o The object to test
* @return {boolean} true if o is a boolean
*/
L.isBoolean = function(o) {
return typeof o === BOOLEAN;
};
/**
* Determines whether or not the provided item is a function
* Note: Internet Explorer thinks certain functions are objects:
*
* var obj = document.createElement("object");
* Y.Lang.isFunction(obj.getAttribute) // reports false in IE
*
* var input = document.createElement("input"); // append to body
* Y.Lang.isFunction(input.focus) // reports false in IE
*
* You will have to implement additional tests if these functions
* matter to you.
*
* @method isFunction
* @static
* @param o The object to test
* @return {boolean} true if o is a function
*/
L.isFunction = function(o) {
return L.type(o) === FUNCTION;
};
/**
* Determines whether or not the supplied item is a date instance
* @method isDate
* @static
* @param o The object to test
* @return {boolean} true if o is a date
*/
L.isDate = function(o) {
// return o instanceof Date;
return L.type(o) === DATE;
};
/**
* Determines whether or not the provided item is null
* @method isNull
* @static
* @param o The object to test
* @return {boolean} true if o is null
*/
L.isNull = function(o) {
return o === null;
};
/**
* Determines whether or not the provided item is a legal number
* @method isNumber
* @static
* @param o The object to test
* @return {boolean} true if o is a number
*/
L.isNumber = function(o) {
return typeof o === NUMBER && isFinite(o);
};
/**
* Determines whether or not the provided item is of type object
* or function
* @method isObject
* @static
* @param o The object to test
* @param failfn {boolean} fail if the input is a function
* @return {boolean} true if o is an object
*/
L.isObject = function(o, failfn) {
return (o && (typeof o === OBJECT || (!failfn && L.isFunction(o)))) || false;
};
/**
* Determines whether or not the provided item is a string
* @method isString
* @static
* @param o The object to test
* @return {boolean} true if o is a string
*/
L.isString = function(o) {
return typeof o === STRING;
};
/**
* Determines whether or not the provided item is undefined
* @method isUndefined
* @static
* @param o The object to test
* @return {boolean} true if o is undefined
*/
L.isUndefined = function(o) {
return typeof o === UNDEFINED;
};
/**
* Returns a string without any leading or trailing whitespace. If
* the input is not a string, the input will be returned untouched.
* @method trim
* @static
* @param s {string} the string to trim
* @return {string} the trimmed string
*/
L.trim = function(s){
try {
return s.replace(TRIMREGEX, EMPTYSTRING);
} catch(e) {
return s;
}
};
/**
* 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
* @static
* @param o The item to test
* @return {boolean} true if it is not null/undefined/NaN || false
*/
L.isValue = function(o) {
var t = L.type(o);
switch (t) {
case NUMBER:
return isFinite(o);
case NULL:
case UNDEFINED:
return false;
default:
return !!(t);
}
};
/**
* Returns a string representing the type of the item passed in.
* @method type
* @param o the item to test
* @return {string} the detected type
*/
L.type = function (o) {
return TYPES[typeof o] || TYPES[TOSTRING.call(o)] || (o ? OBJECT : NULL);
};
})();
/*
* Provides information about the environment hosting YUI
* @module yui
* @submodule Array
*/
(function() {
var L = Y.Lang, Native = Array.prototype,
/**
* Adds the following array utilities to the YUI instance. Additional
* array helpers can be found in the collection component.
* @class Array
*/
/**
* Y.Array(o) returns an array:
* - Arrays are return unmodified unless the start position is specified.
* - "Array-like" collections (@see Array.test) are converted to arrays
* - For everything else, a new array is created with the input as the sole item
* - The start position is used if the input is or is like an array to return
* a subset of the collection.
*
* @TODO this will not automatically convert elements that are also collections
* such as forms and selects. Passing true as the third param will
* force a conversion.
*
* @method ()
* @static
* @param o the item to arrayify
* @param i {int} if an array or array-like, this is the start index
* @param al {boolean} if true, it forces the array-like fork. This
* can be used to avoid multiple array.test calls.
* @return {Array} the resulting array
*/
YArray = function(o, startIdx, al) {
var t = (al) ? 2 : Y.Array.test(o), i, l, a;
// switch (t) {
// case 1:
// // return (startIdx) ? o.slice(startIdx) : o;
// case 2:
// return Native.slice.call(o, startIdx || 0);
// default:
// return [o];
// }
if (t) {
try {
return Native.slice.call(o, startIdx || 0);
// IE errors when trying to slice element collections
} catch(e) {
a=[];
for (i=0, l=o.length; i<l; i=i+1) {
a.push(o[i]);
}
return a;
}
} else {
return [o];
}
};
Y.Array = YArray;
/**
* Evaluates the input to determine if it is an array, array-like, or
* something else. This is used to handle the arguments collection
* available within functions, and HTMLElement collections
*
* @method test
* @static
*
* @todo current implementation (intenionally) will not implicitly
* handle html elements that are array-like (forms, selects, etc).
*
* @return {int} a number indicating the results:
* 0: Not an array or an array-like collection
* 1: A real array.
* 2: array-like collection.
*/
YArray.test = function(o) {
var r = 0;
if (L.isObject(o)) {
if (L.isArray(o)) {
r = 1;
} else {
try {
// indexed, but no tagName (element) or alert (window)
if ("length" in o && !("tagName" in o) && !("alert" in o) &&
(!Y.Lang.isFunction(o.size) || o.size() > 1)) {
r = 2;
}
} catch(e) {}
}
}
return r;
};
/**
* Executes the supplied function on each item in the array.
* @method each
* @param a {Array} the array to iterate
* @param f {Function} the function to execute on each item
* @param o Optional context object
* @static
* @return {YUI} the YUI instance
*/
YArray.each = (Native.forEach) ?
function (a, f, o) {
Native.forEach.call(a || [], f, o || Y);
return Y;
} :
function (a, f, o) {
var l = (a && a.length) || 0, i;
for (i = 0; i < l; i=i+1) {
f.call(o || Y, a[i], i, a);
}
return Y;
};
/**
* Returns an object using the first array as keys, and
* the second as values. If the second array is not
* provided the value is set to true for each.
* @method hash
* @static
* @param k {Array} keyset
* @param v {Array} optional valueset
* @return {object} the hash
*/
YArray.hash = function(k, v) {
var o = {}, l = k.length, vl = v && v.length, i;
for (i=0; i<l; i=i+1) {
o[k[i]] = (vl && vl > i) ? v[i] : true;
}
return o;
};
/**
* Returns the index of the first item in the array
* that contains the specified value, -1 if the
* value isn't found.
* @method indexOf
* @static
* @param a {Array} the array to search
* @param val the value to search for
* @return {int} the index of the item that contains the value or -1
*/
YArray.indexOf = (Native.indexOf) ?
function(a, val) {
return a.indexOf(val);
} :
function(a, val) {
for (var i=0; i<a.length; i=i+1) {
if (a[i] === val) {
return i;
}
}
return -1;
};
/**
* Numeric sort convenience function.
* Y.ArrayAssert.itemsAreEqual([1, 2, 3], [3, 1, 2].sort(Y.Array.numericSort));
* @method numericSort
*/
YArray.numericSort = function(a, b) {
return (a - b);
};
/**
* Executes the supplied function on each item in the array.
* Returning true from the processing function will stop the
* processing of the remaining
* items.
* @method some
* @param a {Array} the array to iterate
* @param f {Function} the function to execute on each item
* @param o Optional context object
* @static
* @return {boolean} true if the function returns true on
* any of the items in the array
*/
YArray.some = (Native.some) ?
function (a, f, o) {
return Native.some.call(a, f, o);
} :
function (a, f, o) {
var l = a.length, i;
for (i=0; i<l; i=i+1) {
if (f.call(o, a[i], i, a)) {
return true;
}
}
return false;
};
})();
(function() {
var L = Y.Lang,
DELIMITER = '__',
// FROZEN = {
// 'prototype': 1,
// '_yuid': 1
// },
/*
* 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 _iefix
* @for YUI
* @param {Function} r the object to receive the augmentation
* @param {Function} s the object that supplies the properties to augment
* @private
*/
_iefix = function(r, s) {
var fn = s.toString;
if (L.isFunction(fn) && fn != Object.prototype.toString) {
r.toString = fn;
}
};
/**
* 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. Passing in a
* single object will create a shallow copy of it. For a deep
* copy, use clone.
* @method merge
* @for YUI
* @param arguments {Object*} the objects to merge
* @return {object} the new merged object
*/
Y.merge = function() {
var a = arguments, o = {}, i, l = a.length;
for (i=0; i<l; i=i+1) {
Y.mix(o, a[i], true);
}
return o;
};
/**
* Applies the supplier's properties to the receiver. By default
* all prototype and static propertes on the supplier are applied
* to the corresponding spot on the receiver. By default all
* properties are applied, and a property that is already on the
* reciever will not be overwritten. The default behavior can
* be modified by supplying the appropriate parameters.
*
* @TODO add constants for the modes
*
* @method mix
* @param {Function} r the object to receive the augmentation
* @param {Function} s the object that supplies the properties to augment
* @param ov {boolean} if true, properties already on the receiver
* will be overwritten if found on the supplier.
* @param wl {string[]} a whitelist. If supplied, only properties in
* this list will be applied to the receiver.
* @param {int} mode what should be copies, and to where
* default(0): object to object
* 1: prototype to prototype (old augment)
* 2: prototype to prototype and object props (new augment)
* 3: prototype to object
* 4: object to prototype
* @param merge {boolean} merge objects instead of overwriting/ignoring
* Used by Y.aggregate
* @return {object} the augmented object
*/
Y.mix = function(r, s, ov, wl, mode, merge) {
if (!s||!r) {
return r || Y;
}
if (mode) {
switch (mode) {
case 1: // proto to proto
return Y.mix(r.prototype, s.prototype);
case 2: // object to object and proto to proto
Y.mix(r.prototype, s.prototype);
break; // pass through
case 3: // proto to static
return Y.mix(r, s.prototype);
case 4: // static to proto
return Y.mix(r.prototype, s);
default: // object to object is what happens below
}
}
// Maybe don't even need this wl && wl.length check anymore??
var arr = merge && L.isArray(r), i, l, p;
if (wl && wl.length) {
for (i = 0, l = wl.length; i < l; ++i) {
p = wl[i];
if (p in s) {
if (merge && L.isObject(r[p], true)) {
Y.mix(r[p], s[p]);
} else if (!arr && (ov || !(p in r))) {
r[p] = s[p];
} else if (arr) {
r.push(s[p]);
}
}
}
} else {
for (i in s) {
// if (s.hasOwnProperty(i) && !(i in FROZEN)) {
// check white list if it was supplied
// if the receiver has this property, it is an object,
// and merge is specified, merge the two objects.
if (merge && L.isObject(r[i], true)) {
Y.mix(r[i], s[i]); // recursive
// otherwise apply the property only if overwrite
// is specified or the receiver doesn't have one.
} else if (!arr && (ov || !(i in r))) {
r[i] = s[i];
// if merge is specified and the receiver is an array,
// append the array item
} else if (arr) {
r.push(s[i]);
}
// }
}
if (Y.UA.ie) {
_iefix(r, s);
}
}
return r;
};
/**
* Returns a wrapper for a function which caches the
* return value of that function, keyed off of the combined
* argument values.
* @function cached
* @param source {function} the function to memoize
* @param cache an optional cache seed
* @return {Function} the wrapped function
*/
Y.cached = function(source, cache){
cache = cache || {};
// I want the profiler to show me separate entries for each
// cached function. Is this too much to ask?
// return function cached_sourceFunction
// return this['cached_' + source.name] = function
// var a = function(){}; a.name = 'foo'; return a;
return function cached(arg1, arg2) {
// (?)() 51 5.76% 0.571ms 1.01ms 0.02ms 0.001ms 0.041ms
// A() 76 6.58% 0.652ms 0.652ms 0.009ms 0.005ms 0.03ms
// var key = (arg2 !== undefined) ? Y.Array(arguments, 0, true).join(DELIMITER) : arg1;
// (?)() 51 8.57% 0.837ms 0.838ms 0.016ms 0.013ms 0.024ms
// var key = (arguments.length > 1) ? Array.prototype.join.call(arguments, DELIMITER) : arg1;
// (?)() 51 8.06% 0.761ms 0.762ms 0.015ms 0.002ms 0.025ms
// var key = (arg2 !== undefined) ? Array.prototype.join.call(arguments, DELIMITER) : arg1;
// (?)() 51 7.87% 0.749ms 0.751ms 0.015ms 0.001ms 0.027ms
// A() 30 2.23% 0.214ms 0.214ms 0.007ms 0.005ms 0.009ms
var key = (arg2) ? Array.prototype.join.call(arguments, DELIMITER) : arg1;
if (!(key in cache)) {
cache[key] = source.apply(source, arguments);
}
return cache[key];
};
};
})();
(function() {
/**
* Adds the following Object utilities to the YUI instance
* @class Object
*/
/**
* Y.Object(o) returns a new object based upon the supplied object.
* @TODO Use native Object.create() when available
* @method ()
* @static
* @param o the supplier object
* @return {Object} the new object
*/
Y.Object = function(o) {
var F = function() {};
F.prototype = o;
return new F();
};
var O = Y.Object,
UNDEFINED = undefined,
/**
* Extracts the keys, values, or size from an object
*
* @method _extract
* @param o the object
* @param what what to extract (0: keys, 1: values, 2: size)
* @return {boolean|Array} the extracted info
* @static
* @private
*/
_extract = function(o, what) {
var count = (what === 2), out = (count) ? 0 : [], i;
for (i in o) {
if (count) {
out++;
} else {
if (o.hasOwnProperty(i)) {
out.push((what) ? o[i] : i);
}
}
}
return out;
};
/**
* Returns an array containing the object's keys
* @TODO use native Object.keys() if available
* @method keys
* @static
* @param o an object
* @return {string[]} the keys
*/
O.keys = function(o) {
return _extract(o);
};
/**
* Returns an array containing the object's values
* @TODO use native Object.values() if available
* @method values
* @static
* @param o an object
* @return {Array} the values
*/
O.values = function(o) {
return _extract(o, 1);
};
/**
* Returns the size of an object
* @TODO use native Object.size() if available
* @method size
* @static
* @param o an object
* @return {int} the size
*/
O.size = function(o) {
return _extract(o, 2);
};
/**
* Returns true if the object contains a given key
* @method hasKey
* @static
* @param o an object
* @param k the key to query
* @return {boolean} true if the object contains the key
*/
O.hasKey = function(o, k) {
// return (o.hasOwnProperty(k));
return (k in o);
};
/**
* Returns true if the object contains a given value
* @method hasValue
* @static
* @param o an object
* @param v the value to query
* @return {boolean} true if the object contains the value
*/
O.hasValue = function(o, v) {
return (Y.Array.indexOf(O.values(o), v) > -1);
};
/**
* 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.
*
* @deprecated Safari 1.x support has been removed, so this is simply a
* wrapper for the native implementation. Use the native implementation
* directly instead.
*
* @TODO Remove in B1
*
* @method owns
* @static
* @param o {any} The object being testing
* @param p {string} the property to look for
* @return {boolean} true if the object has the property on the instance
*/
O.owns = function(o, k) {
return (o.hasOwnProperty(k));
};
/**
* Executes a function on each item. The function
* receives the value, the key, and the object
* as paramters (in that order).
* @method each
* @static
* @param o the object to iterate
* @param f {function} the function to execute
* @param c the execution context
* @param proto {boolean} include proto
* @return {YUI} the YUI instance
*/
O.each = function (o, f, c, proto) {
var s = c || Y, i;
for (i in o) {
if (proto || o.hasOwnProperty(i)) {
f.call(s, o[i], i, o);
}
}
return Y;
};
/**
* Retrieves the sub value at the provided path,
* from the value object provided.
*
* @method getValue
* @param o The object from which to extract the property value
* @param path {Array} A path array, specifying the object traversal path
* from which to obtain the sub value.
* @return {Any} The value stored in the path, undefined if not found.
* Returns the source object if an empty path is provided.
*/
O.getValue = function (o, path) {
var p=Y.Array(path), l=p.length, i;
for (i=0; o !== UNDEFINED && i < l; i=i+1) {
o = o[p[i]];
}
return o;
};
/**
* Sets the sub-attribute value at the provided path on the
* value object. Returns the modified value object, or
* undefined if the path is invalid.
*
* @method setValue
* @param o The object on which to set the sub value.
* @param path {Array} A path array, specifying the object traversal path
* at which to set the sub value.
* @param val {Any} The new value for the sub-attribute.
* @return {Object} The modified object, with the new sub value set, or
* undefined, if the path was invalid.
*/
O.setValue = function(o, path, val) {
var p=Y.Array(path), leafIdx=p.length-1, i, ref=o;
if (leafIdx >= 0) {
for (i=0; ref !== UNDEFINED && i < leafIdx; i=i+1) {
ref = ref[p[i]];
}
if (ref !== UNDEFINED) {
ref[p[i]] = val;
} else {
return UNDEFINED;
}
}
return o;
};
})();
/*
* Provides information about the environment hosting YUI
* @module yui
* @submodule UA
*/
/**
* YUI user agent detection.
* 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. 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 UA
* @static
*/
Y.UA = function() {
var nav = navigator,
o = {
/**
* Internet Explorer version number or 0. Example: 6
* @property ie
* @type float
* @static
*/
ie:0,
/**
* Opera version number or 0. Example: 9.2
* @property opera
* @type float
* @static
*/
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
* @static
*/
gecko:0,
/**
* AppleWebKit version. KHTML browsers that are not WebKit browsers
* will evaluate to 1, other browsers 0. Example: 418.9
* <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).
* 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://en.wikipedia.org/wiki/Safari_(web_browser)#Version_history
* @property webkit
* @type float
* @static
*/
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
* @static
*/
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 = nav && nav.userAgent,
loc = Y.config.win.location,
href = loc && loc.href,
m;
o.secure = href && (href.toLowerCase().indexOf("https") === 0);
if (ua) {
if ((/windows|win32/).test(ua)) {
o.os = 'windows';
} else if ((/macintosh/).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=parseFloat(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=parseFloat(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=parseFloat(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=parseFloat(m[1]);
}
}
}
}
}
}
return o;
}();
(function() {
var L = Y.Lang,
/**
* 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
* @for YUI
* @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 {object} 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) {
Y.error("method undefined");
}
if (!L.isArray(d)) {
d = [data];
}
f = function() {
m.apply(o, d);
};
r = (periodic) ? setInterval(f, when) : setTimeout(f, when);
return {
id: r,
interval: periodic,
cancel: function() {
if (this.interval) {
clearInterval(r);
} else {
clearTimeout(r);
}
}
};
};
Y.later = later;
L.later = later;
})();
(function() {
// var min = ['yui-base', 'log', 'lang', 'array', 'core'], core, C = Y.config;
var min = ['yui-base'], core, C = Y.config;
// apply the minimal required functionality
Y.use.apply(Y, min);
Y.log(Y.id + ' initialized', 'info', 'yui');
if (C.core) {
core = C.core;
} else {
core = ['queue-base', 'get', 'loader'];
}
Y.use.apply(Y, core);
})();
}, '3.0.0b1' );