yuiloader-debug.js
3879 lines
| 122.5 KiB
| application/javascript
|
JavascriptLexer
Marcin Kuzminski
|
r0 | /* | ||
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"}); | ||||