Upgrade to ExtJS 3.0.0 - Released 07/06/2009

[extjs.git] / adapter / yui / ext-yui-adapter-debug.js

/*!
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
\r
// for old browsers\r
window.undefined = window.undefined;\r
\r
/**\r
 * @class Ext\r
 * Ext core utilities and functions.\r
 * @singleton\r
 */\r
\r
Ext = {\r
    /**\r
     * The version of the framework\r
     * @type String\r
     */\r
    version : '3.0'\r
};\r
\r
/**\r
 * Copies all the properties of config to obj.\r
 * @param {Object} obj The receiver of the properties\r
 * @param {Object} config The source of the properties\r
 * @param {Object} defaults A different object that will also be applied for default values\r
 * @return {Object} returns obj\r
 * @member Ext apply\r
 */\r
Ext.apply = function(o, c, defaults){\r
    // no "this" reference for friendly out of scope calls\r
    if(defaults){\r
        Ext.apply(o, defaults);\r
    }\r
    if(o && c && typeof c == 'object'){\r
        for(var p in c){\r
            o[p] = c[p];\r
        }\r
    }\r
    return o;\r
};\r
\r
(function(){\r
    var idSeed = 0,\r
        toString = Object.prototype.toString,\r
        //assume it's not null and not an array\r
        isIterable = function(v){\r
            //check for array or arguments\r
            if(Ext.isArray(v) || v.callee){\r
                return true;\r
            }\r
            //check for node list type\r
            if(/NodeList|HTMLCollection/.test(toString.call(v))){\r
                return true;\r
            }\r
            //NodeList has an item and length property\r
            //IXMLDOMNodeList has nextNode method, needs to be checked first.\r
            return ((v.nextNode || v.item) && Ext.isNumber(v.length));\r
        },\r
        ua = navigator.userAgent.toLowerCase(),\r
        check = function(r){\r
            return r.test(ua);\r
        },\r
        DOC = document,\r
        isStrict = DOC.compatMode == "CSS1Compat",\r
        isOpera = check(/opera/),\r
        isChrome = check(/chrome/),\r
        isWebKit = check(/webkit/),\r
        isSafari = !isChrome && check(/safari/),\r
        isSafari2 = isSafari && check(/applewebkit\/4/), // unique to Safari 2\r
        isSafari3 = isSafari && check(/version\/3/),\r
        isSafari4 = isSafari && check(/version\/4/),\r
        isIE = !isOpera && check(/msie/),\r
        isIE7 = isIE && check(/msie 7/),\r
        isIE8 = isIE && check(/msie 8/),\r
        isIE6 = isIE && !isIE7 && !isIE8,\r
        isGecko = !isWebKit && check(/gecko/),\r
        isGecko2 = isGecko && check(/rv:1\.8/),\r
        isGecko3 = isGecko && check(/rv:1\.9/),\r
        isBorderBox = isIE && !isStrict,\r
        isWindows = check(/windows|win32/),\r
        isMac = check(/macintosh|mac os x/),\r
        isAir = check(/adobeair/),\r
        isLinux = check(/linux/),\r
        isSecure = /^https/i.test(window.location.protocol);\r
\r
    // remove css image flicker\r
    if(isIE6){\r
        try{\r
            DOC.execCommand("BackgroundImageCache", false, true);\r
        }catch(e){}\r
    }\r
\r
    Ext.apply(Ext, {\r
        /**\r
         * URL to a blank file used by Ext when in secure mode for iframe src and onReady src to prevent\r
         * the IE insecure content warning (defaults to javascript:false).\r
         * @type String\r
         */\r
        SSL_SECURE_URL : 'javascript:false',\r
        /**\r
         * True if the browser is in strict (standards-compliant) mode, as opposed to quirks mode\r
         * @type Boolean\r
         */\r
        isStrict : isStrict,\r
        /**\r
         * True if the page is running over SSL\r
         * @type Boolean\r
         */\r
        isSecure : isSecure,\r
        /**\r
         * True when the document is fully initialized and ready for action\r
         * @type Boolean\r
         */\r
        isReady : false,\r
\r
        /**\r
         * True if the {@link Ext.Fx} Class is available\r
         * @type Boolean\r
         * @property enableFx\r
         */\r
\r
        /**\r
         * True to automatically uncache orphaned Ext.Elements periodically (defaults to true)\r
         * @type Boolean\r
         */\r
        enableGarbageCollector : true,\r
\r
        /**\r
         * True to automatically purge event listeners after uncaching an element (defaults to false).\r
         * Note: this only happens if {@link #enableGarbageCollector} is true.\r
         * @type Boolean\r
         */\r
        enableListenerCollection : false,\r
\r
        /**\r
         * Indicates whether to use native browser parsing for JSON methods.\r
         * This option is ignored if the browser does not support native JSON methods.\r
         * <b>Note: Native JSON methods will not work with objects that have functions.\r
         * Also, property names must be quoted, otherwise the data will not parse.</b> (Defaults to false)\r
         * @type Boolean\r
         */\r
        USE_NATIVE_JSON : false,\r
\r
        /**\r
         * Copies all the properties of config to obj if they don't already exist.\r
         * @param {Object} obj The receiver of the properties\r
         * @param {Object} config The source of the properties\r
         * @return {Object} returns obj\r
         */\r
        applyIf : function(o, c){\r
            if(o){\r
                for(var p in c){\r
                    if(Ext.isEmpty(o[p])){\r
                        o[p] = c[p];\r
                    }\r
                }\r
            }\r
            return o;\r
        },\r
\r
        /**\r
         * Generates unique ids. If the element already has an id, it is unchanged\r
         * @param {Mixed} el (optional) The element to generate an id for\r
         * @param {String} prefix (optional) Id prefix (defaults "ext-gen")\r
         * @return {String} The generated Id.\r
         */\r
        id : function(el, prefix){\r
            return (el = Ext.getDom(el) || {}).id = el.id || (prefix || "ext-gen") + (++idSeed);\r
        },\r
\r
        /**\r
         * Extends one class with another class and optionally overrides members with the passed literal. This class\r
         * also adds the function "override()" to the class that can be used to override\r
         * members on an instance.\r
         * * <p>\r
         * This function also supports a 2-argument call in which the subclass's constructor is\r
         * not passed as an argument. In this form, the parameters are as follows:</p><p>\r
         * <div class="mdetail-params"><ul>\r
         * <li><code>superclass</code>\r
         * <div class="sub-desc">The class being extended</div></li>\r
         * <li><code>overrides</code>\r
         * <div class="sub-desc">A literal with members which are copied into the subclass's\r
         * prototype, and are therefore shared among all instances of the new class.<p>\r
         * This may contain a special member named <tt><b>constructor</b></tt>. This is used\r
         * to define the constructor of the new class, and is returned. If this property is\r
         * <i>not</i> specified, a constructor is generated and returned which just calls the\r
         * superclass's constructor passing on its parameters.</p></div></li>\r
         * </ul></div></p><p>\r
         * For example, to create a subclass of the Ext GridPanel:\r
         * <pre><code>\r
MyGridPanel = Ext.extend(Ext.grid.GridPanel, {\r
    constructor: function(config) {\r
        // Your preprocessing here\r
        MyGridPanel.superclass.constructor.apply(this, arguments);\r
        // Your postprocessing here\r
    },\r
\r
    yourMethod: function() {\r
        // etc.\r
    }\r
});\r
</code></pre>\r
         * </p>\r
         * @param {Function} subclass The class inheriting the functionality\r
         * @param {Function} superclass The class being extended\r
         * @param {Object} overrides (optional) A literal with members which are copied into the subclass's\r
         * prototype, and are therefore shared between all instances of the new class.\r
         * @return {Function} The subclass constructor.\r
         * @method extend\r
         */\r
        extend : function(){\r
            // inline overrides\r
            var io = function(o){\r
                for(var m in o){\r
                    this[m] = o[m];\r
                }\r
            };\r
            var oc = Object.prototype.constructor;\r
\r
            return function(sb, sp, overrides){\r
                if(Ext.isObject(sp)){\r
                    overrides = sp;\r
                    sp = sb;\r
                    sb = overrides.constructor != oc ? overrides.constructor : function(){sp.apply(this, arguments);};\r
                }\r
                var F = function(){},\r
                    sbp,\r
                    spp = sp.prototype;\r
\r
                F.prototype = spp;\r
                sbp = sb.prototype = new F();\r
                sbp.constructor=sb;\r
                sb.superclass=spp;\r
                if(spp.constructor == oc){\r
                    spp.constructor=sp;\r
                }\r
                sb.override = function(o){\r
                    Ext.override(sb, o);\r
                };\r
                sbp.superclass = sbp.supr = (function(){\r
                    return spp;\r
                });\r
                sbp.override = io;\r
                Ext.override(sb, overrides);\r
                sb.extend = function(o){Ext.extend(sb, o);};\r
                return sb;\r
            };\r
        }(),\r
\r
        /**\r
         * Adds a list of functions to the prototype of an existing class, overwriting any existing methods with the same name.\r
         * Usage:<pre><code>\r
Ext.override(MyClass, {\r
    newMethod1: function(){\r
        // etc.\r
    },\r
    newMethod2: function(foo){\r
        // etc.\r
    }\r
});\r
</code></pre>\r
         * @param {Object} origclass The class to override\r
         * @param {Object} overrides The list of functions to add to origClass.  This should be specified as an object literal\r
         * containing one or more methods.\r
         * @method override\r
         */\r
        override : function(origclass, overrides){\r
            if(overrides){\r
                var p = origclass.prototype;\r
                Ext.apply(p, overrides);\r
                if(Ext.isIE && overrides.toString != origclass.toString){\r
                    p.toString = overrides.toString;\r
                }\r
            }\r
        },\r
\r
        /**\r
         * Creates namespaces to be used for scoping variables and classes so that they are not global.\r
         * Specifying the last node of a namespace implicitly creates all other nodes. Usage:\r
         * <pre><code>\r
Ext.namespace('Company', 'Company.data');\r
Ext.namespace('Company.data'); // equivalent and preferable to above syntax\r
Company.Widget = function() { ... }\r
Company.data.CustomStore = function(config) { ... }\r
</code></pre>\r
         * @param {String} namespace1\r
         * @param {String} namespace2\r
         * @param {String} etc\r
         * @method namespace\r
         */\r
        namespace : function(){\r
            var o, d;\r
            Ext.each(arguments, function(v) {\r
                d = v.split(".");\r
                o = window[d[0]] = window[d[0]] || {};\r
                Ext.each(d.slice(1), function(v2){\r
                    o = o[v2] = o[v2] || {};\r
                });\r
            });\r
            return o;\r
        },\r
\r
        /**\r
         * Takes an object and converts it to an encoded URL. e.g. Ext.urlEncode({foo: 1, bar: 2}); would return "foo=1&bar=2".  Optionally, property values can be arrays, instead of keys and the resulting string that's returned will contain a name/value pair for each array value.\r
         * @param {Object} o\r
         * @param {String} pre (optional) A prefix to add to the url encoded string\r
         * @return {String}\r
         */\r
        urlEncode: function(o, pre){\r
            var undef, buf = [], key, e = encodeURIComponent;\r
\r
            for(key in o){\r
                undef = !Ext.isDefined(o[key]);\r
                Ext.each(undef ? key : o[key], function(val, i){\r
                    buf.push("&", e(key), "=", (val != key || !undef) ? e(val) : "");\r
                });\r
            }\r
            if(!pre){\r
                buf.shift();\r
                pre = "";\r
            }\r
            return pre + buf.join('');\r
        },\r
\r
        /**\r
         * Takes an encoded URL and and converts it to an object. Example: <pre><code>\r
Ext.urlDecode("foo=1&bar=2"); // returns {foo: "1", bar: "2"}\r
Ext.urlDecode("foo=1&bar=2&bar=3&bar=4", false); // returns {foo: "1", bar: ["2", "3", "4"]}\r
</code></pre>\r
         * @param {String} string\r
         * @param {Boolean} overwrite (optional) Items of the same name will overwrite previous values instead of creating an an array (Defaults to false).\r
         * @return {Object} A literal with members\r
         */\r
        urlDecode : function(string, overwrite){\r
            var obj = {},\r
                pairs = string.split('&'),\r
                d = decodeURIComponent,\r
                name,\r
                value;\r
            Ext.each(pairs, function(pair) {\r
                pair = pair.split('=');\r
                name = d(pair[0]);\r
                value = d(pair[1]);\r
                obj[name] = overwrite || !obj[name] ? value :\r
                            [].concat(obj[name]).concat(value);\r
            });\r
            return obj;\r
        },\r
\r
        /**\r
         * Appends content to the query string of a URL, which handles logic for whether to place\r
         * a question mark or ampersand.\r
         * @param {String} url The url to append to.\r
         * @@param {String} s The content to append to the url.\r
         * @return (String) The appended string\r
         */\r
        urlAppend : function(url, s){\r
            if(!Ext.isEmpty(s)){\r
                return url + (url.indexOf('?') === -1 ? '?' : '&') + s;\r
            }\r
            return url;\r
        },\r
\r
        /**\r
         * Converts any iterable (numeric indices and a length property) into a true array\r
         * Don't use this on strings. IE doesn't support "abc"[0] which this implementation depends on.\r
         * For strings, use this instead: "abc".match(/./g) => [a,b,c];\r
         * @param {Iterable} the iterable object to be turned into a true Array.\r
         * @return (Array) array\r
         */\r
        toArray : function(){\r
            return isIE ?\r
                function(a, i, j, res){\r
                    res = [];\r
                    Ext.each(a, function(v) {\r
                        res.push(v);\r
                    });\r
                    return res.slice(i || 0, j || res.length);\r
                } :\r
                function(a, i, j){\r
                    return Array.prototype.slice.call(a, i || 0, j || a.length);\r
                }\r
        }(),\r
\r
        /**\r
         * Iterates an array calling the passed function with each item, stopping if your function returns false. If the\r
         * passed array is not really an array, your function is called once with it.\r
         * The supplied function is called with (Object item, Number index, Array allItems).\r
         * @param {Array/NodeList/Mixed} array\r
         * @param {Function} fn\r
         * @param {Object} scope\r
         */\r
        each: function(array, fn, scope){\r
            if(Ext.isEmpty(array, true)){\r
                return;\r
            }\r
            if(!isIterable(array) || Ext.isPrimitive(array)){\r
                array = [array];\r
            }\r
            for(var i = 0, len = array.length; i < len; i++){\r
                if(fn.call(scope || array[i], array[i], i, array) === false){\r
                    return i;\r
                };\r
            }\r
        },\r
\r
        /**\r
         * Iterates either the elements in an array, or each of the properties in an object.\r
         * <b>Note</b>: If you are only iterating arrays, it is better to call {@link #each}.\r
         * @param {Object/Array} object The object or array to be iterated\r
         * @param {Function} fn The function to be called for each iteration.\r
         * The iteration will stop if the supplied function returns false, or\r
         * all array elements / object properties have been covered. The signature\r
         * varies depending on the type of object being interated:\r
         * <div class="mdetail-params"><ul>\r
         * <li>Arrays : <tt>(Object item, Number index, Array allItems)</tt>\r
         * <div class="sub-desc">\r
         * When iterating an array, the supplied function is called with each item.</div></li>\r
         * <li>Objects : <tt>(String key, Object value)</tt>\r
         * <div class="sub-desc">\r
         * When iterating an object, the supplied function is called with each key-value pair in\r
         * the object.</div></li>\r
         * </ul></div>\r
         * @param {Object} scope The scope to call the supplied function with, defaults to\r
         * the specified <tt>object</tt>\r
         */\r
        iterate : function(obj, fn, scope){\r
            if(isIterable(obj)){\r
                Ext.each(obj, fn, scope);\r
                return;\r
            }else if(Ext.isObject(obj)){\r
                for(var prop in obj){\r
                    if(obj.hasOwnProperty(prop)){\r
                        if(fn.call(scope || obj, prop, obj[prop]) === false){\r
                            return;\r
                        };\r
                    }\r
                }\r
            }\r
        },\r
\r
        /**\r
         * Return the dom node for the passed String (id), dom node, or Ext.Element.\r
         * Here are some examples:\r
         * <pre><code>\r
// gets dom node based on id\r
var elDom = Ext.getDom('elId');\r
// gets dom node based on the dom node\r
var elDom1 = Ext.getDom(elDom);\r
\r
// If we don&#39;t know if we are working with an\r
// Ext.Element or a dom node use Ext.getDom\r
function(el){\r
    var dom = Ext.getDom(el);\r
    // do something with the dom node\r
}\r
         * </code></pre>\r
         * <b>Note</b>: the dom node to be found actually needs to exist (be rendered, etc)\r
         * when this method is called to be successful.\r
         * @param {Mixed} el\r
         * @return HTMLElement\r
         */\r
        getDom : function(el){\r
            if(!el || !DOC){\r
                return null;\r
            }\r
            return el.dom ? el.dom : (Ext.isString(el) ? DOC.getElementById(el) : el);\r
        },\r
\r
        /**\r
         * Returns the current document body as an {@link Ext.Element}.\r
         * @return Ext.Element The document body\r
         */\r
        getBody : function(){\r
            return Ext.get(DOC.body || DOC.documentElement);\r
        },\r
\r
        /**\r
         * Removes a DOM node from the document.  The body node will be ignored if passed in.\r
         * @param {HTMLElement} node The node to remove\r
         */\r
        removeNode : isIE ? function(){\r
            var d;\r
            return function(n){\r
                if(n && n.tagName != 'BODY'){\r
                    d = d || DOC.createElement('div');\r
                    d.appendChild(n);\r
                    d.innerHTML = '';\r
                }\r
            }\r
        }() : function(n){\r
            if(n && n.parentNode && n.tagName != 'BODY'){\r
                n.parentNode.removeChild(n);\r
            }\r
        },\r
\r
        /**\r
         * <p>Returns true if the passed value is empty.</p>\r
         * <p>The value is deemed to be empty if it is<div class="mdetail-params"><ul>\r
         * <li>null</li>\r
         * <li>undefined</li>\r
         * <li>an empty array</li>\r
         * <li>a zero length string (Unless the <tt>allowBlank</tt> parameter is <tt>true</tt>)</li>\r
         * </ul></div>\r
         * @param {Mixed} value The value to test\r
         * @param {Boolean} allowBlank (optional) true to allow empty strings (defaults to false)\r
         * @return {Boolean}\r
         */\r
        isEmpty : function(v, allowBlank){\r
            return v === null || v === undefined || ((Ext.isArray(v) && !v.length)) || (!allowBlank ? v === '' : false);\r
        },\r
\r
        /**\r
         * Returns true if the passed object is a JavaScript array, otherwise false.\r
         * @param {Object} object The object to test\r
         * @return {Boolean}\r
         */\r
        isArray : function(v){\r
            return toString.apply(v) === '[object Array]';\r
        },\r
\r
        /**\r
         * Returns true if the passed object is a JavaScript Object, otherwise false.\r
         * @param {Object} object The object to test\r
         * @return {Boolean}\r
         */\r
        isObject : function(v){\r
            return v && typeof v == "object";\r
        },\r
\r
        /**\r
         * Returns true if the passed object is a JavaScript 'primitive', a string, number or boolean.\r
         * @param {Mixed} value The value to test\r
         * @return {Boolean}\r
         */\r
        isPrimitive : function(v){\r
            return Ext.isString(v) || Ext.isNumber(v) || Ext.isBoolean(v);\r
        },\r
\r
        /**\r
         * Returns true if the passed object is a JavaScript Function, otherwise false.\r
         * @param {Object} object The object to test\r
         * @return {Boolean}\r
         */\r
        isFunction : function(v){\r
            return toString.apply(v) === '[object Function]';\r
        },\r
\r
        /**\r
         * Returns true if the passed object is a number. Returns false for non-finite numbers.\r
         * @param {Object} v The object to test\r
         * @return {Boolean}\r
         */\r
        isNumber: function(v){\r
            return typeof v === 'number' && isFinite(v);\r
        },\r
\r
        /**\r
         * Returns true if the passed object is a string.\r
         * @param {Object} v The object to test\r
         * @return {Boolean}\r
         */\r
        isString: function(v){\r
            return typeof v === 'string';\r
        },\r
\r
        /**\r
         * Returns true if the passed object is a boolean.\r
         * @param {Object} v The object to test\r
         * @return {Boolean}\r
         */\r
        isBoolean: function(v){\r
            return typeof v === 'boolean';\r
        },\r
\r
        /**\r
         * Returns true if the passed object is not undefined.\r
         * @param {Object} v The object to test\r
         * @return {Boolean}\r
         */\r
        isDefined: function(v){\r
            return typeof v !== 'undefined';\r
        },\r
\r
        /**\r
         * True if the detected browser is Opera.\r
         * @type Boolean\r
         */\r
        isOpera : isOpera,\r
        /**\r
         * True if the detected browser uses WebKit.\r
         * @type Boolean\r
         */\r
        isWebKit: isWebKit,\r
        /**\r
         * True if the detected browser is Chrome.\r
         * @type Boolean\r
         */\r
        isChrome : isChrome,\r
        /**\r
         * True if the detected browser is Safari.\r
         * @type Boolean\r
         */\r
        isSafari : isSafari,\r
        /**\r
         * True if the detected browser is Safari 3.x.\r
         * @type Boolean\r
         */\r
        isSafari3 : isSafari3,\r
        /**\r
         * True if the detected browser is Safari 4.x.\r
         * @type Boolean\r
         */\r
        isSafari4 : isSafari4,\r
        /**\r
         * True if the detected browser is Safari 2.x.\r
         * @type Boolean\r
         */\r
        isSafari2 : isSafari2,\r
        /**\r
         * True if the detected browser is Internet Explorer.\r
         * @type Boolean\r
         */\r
        isIE : isIE,\r
        /**\r
         * True if the detected browser is Internet Explorer 6.x.\r
         * @type Boolean\r
         */\r
        isIE6 : isIE6,\r
        /**\r
         * True if the detected browser is Internet Explorer 7.x.\r
         * @type Boolean\r
         */\r
        isIE7 : isIE7,\r
        /**\r
         * True if the detected browser is Internet Explorer 8.x.\r
         * @type Boolean\r
         */\r
        isIE8 : isIE8,\r
        /**\r
         * True if the detected browser uses the Gecko layout engine (e.g. Mozilla, Firefox).\r
         * @type Boolean\r
         */\r
        isGecko : isGecko,\r
        /**\r
         * True if the detected browser uses a pre-Gecko 1.9 layout engine (e.g. Firefox 2.x).\r
         * @type Boolean\r
         */\r
        isGecko2 : isGecko2,\r
        /**\r
         * True if the detected browser uses a Gecko 1.9+ layout engine (e.g. Firefox 3.x).\r
         * @type Boolean\r
         */\r
        isGecko3 : isGecko3,\r
        /**\r
         * True if the detected browser is Internet Explorer running in non-strict mode.\r
         * @type Boolean\r
         */\r
        isBorderBox : isBorderBox,\r
        /**\r
         * True if the detected platform is Linux.\r
         * @type Boolean\r
         */\r
        isLinux : isLinux,\r
        /**\r
         * True if the detected platform is Windows.\r
         * @type Boolean\r
         */\r
        isWindows : isWindows,\r
        /**\r
         * True if the detected platform is Mac OS.\r
         * @type Boolean\r
         */\r
        isMac : isMac,\r
        /**\r
         * True if the detected platform is Adobe Air.\r
         * @type Boolean\r
         */\r
        isAir : isAir\r
    });\r
\r
    /**\r
     * Creates namespaces to be used for scoping variables and classes so that they are not global.\r
     * Specifying the last node of a namespace implicitly creates all other nodes. Usage:\r
     * <pre><code>\r
Ext.namespace('Company', 'Company.data');\r
Ext.namespace('Company.data'); // equivalent and preferable to above syntax\r
Company.Widget = function() { ... }\r
Company.data.CustomStore = function(config) { ... }\r
</code></pre>\r
     * @param {String} namespace1\r
     * @param {String} namespace2\r
     * @param {String} etc\r
     * @method namespace\r
     */\r
    Ext.ns = Ext.namespace;\r
})();\r
\r
Ext.ns("Ext", "Ext.util", "Ext.lib", "Ext.data");\r
\r
\r
/**\r
 * @class Function\r
 * These functions are available on every Function object (any JavaScript function).\r
 */\r
Ext.apply(Function.prototype, {\r
     /**\r
     * Creates an interceptor function. The passed fcn is called before the original one. If it returns false,\r
     * the original one is not called. The resulting function returns the results of the original function.\r
     * The passed fcn is called with the parameters of the original function. Example usage:\r
     * <pre><code>\r
var sayHi = function(name){\r
    alert('Hi, ' + name);\r
}\r
\r
sayHi('Fred'); // alerts "Hi, Fred"\r
\r
// create a new function that validates input without\r
// directly modifying the original function:\r
var sayHiToFriend = sayHi.createInterceptor(function(name){\r
    return name == 'Brian';\r
});\r
\r
sayHiToFriend('Fred');  // no alert\r
sayHiToFriend('Brian'); // alerts "Hi, Brian"\r
</code></pre>\r
     * @param {Function} fcn The function to call before the original\r
     * @param {Object} scope (optional) The scope of the passed fcn (Defaults to scope of original function or window)\r
     * @return {Function} The new function\r
     */\r
    createInterceptor : function(fcn, scope){\r
        var method = this;\r
        return !Ext.isFunction(fcn) ?\r
                this :\r
                function() {\r
                    var me = this,\r
                        args = arguments;\r
                    fcn.target = me;\r
                    fcn.method = method;\r
                    return (fcn.apply(scope || me || window, args) !== false) ?\r
                            method.apply(me || window, args) :\r
                            null;\r
                };\r
    },\r
\r
     /**\r
     * Creates a callback that passes arguments[0], arguments[1], arguments[2], ...\r
     * Call directly on any function. Example: <code>myFunction.createCallback(arg1, arg2)</code>\r
     * Will create a function that is bound to those 2 args. <b>If a specific scope is required in the\r
     * callback, use {@link #createDelegate} instead.</b> The function returned by createCallback always\r
     * executes in the window scope.\r
     * <p>This method is required when you want to pass arguments to a callback function.  If no arguments\r
     * are needed, you can simply pass a reference to the function as a callback (e.g., callback: myFn).\r
     * However, if you tried to pass a function with arguments (e.g., callback: myFn(arg1, arg2)) the function\r
     * would simply execute immediately when the code is parsed. Example usage:\r
     * <pre><code>\r
var sayHi = function(name){\r
    alert('Hi, ' + name);\r
}\r
\r
// clicking the button alerts "Hi, Fred"\r
new Ext.Button({\r
    text: 'Say Hi',\r
    renderTo: Ext.getBody(),\r
    handler: sayHi.createCallback('Fred')\r
});\r
</code></pre>\r
     * @return {Function} The new function\r
    */\r
    createCallback : function(/*args...*/){\r
        // make args available, in function below\r
        var args = arguments,\r
            method = this;\r
        return function() {\r
            return method.apply(window, args);\r
        };\r
    },\r
\r
    /**\r
     * Creates a delegate (callback) that sets the scope to obj.\r
     * Call directly on any function. Example: <code>this.myFunction.createDelegate(this, [arg1, arg2])</code>\r
     * Will create a function that is automatically scoped to obj so that the <tt>this</tt> variable inside the\r
     * callback points to obj. Example usage:\r
     * <pre><code>\r
var sayHi = function(name){\r
    // Note this use of "this.text" here.  This function expects to\r
    // execute within a scope that contains a text property.  In this\r
    // example, the "this" variable is pointing to the btn object that\r
    // was passed in createDelegate below.\r
    alert('Hi, ' + name + '. You clicked the "' + this.text + '" button.');\r
}\r
\r
var btn = new Ext.Button({\r
    text: 'Say Hi',\r
    renderTo: Ext.getBody()\r
});\r
\r
// This callback will execute in the scope of the\r
// button instance. Clicking the button alerts\r
// "Hi, Fred. You clicked the "Say Hi" button."\r
btn.on('click', sayHi.createDelegate(btn, ['Fred']));\r
</code></pre>\r
     * @param {Object} obj (optional) The object for which the scope is set\r
     * @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller)\r
     * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding,\r
     *                                             if a number the args are inserted at the specified position\r
     * @return {Function} The new function\r
     */\r
    createDelegate : function(obj, args, appendArgs){\r
        var method = this;\r
        return function() {\r
            var callArgs = args || arguments;\r
            if (appendArgs === true){\r
                callArgs = Array.prototype.slice.call(arguments, 0);\r
                callArgs = callArgs.concat(args);\r
            }else if (Ext.isNumber(appendArgs)){\r
                callArgs = Array.prototype.slice.call(arguments, 0); // copy arguments first\r
                var applyArgs = [appendArgs, 0].concat(args); // create method call params\r
                Array.prototype.splice.apply(callArgs, applyArgs); // splice them in\r
            }\r
            return method.apply(obj || window, callArgs);\r
        };\r
    },\r
\r
    /**\r
     * Calls this function after the number of millseconds specified, optionally in a specific scope. Example usage:\r
     * <pre><code>\r
var sayHi = function(name){\r
    alert('Hi, ' + name);\r
}\r
\r
// executes immediately:\r
sayHi('Fred');\r
\r
// executes after 2 seconds:\r
sayHi.defer(2000, this, ['Fred']);\r
\r
// this syntax is sometimes useful for deferring\r
// execution of an anonymous function:\r
(function(){\r
    alert('Anonymous');\r
}).defer(100);\r
</code></pre>\r
     * @param {Number} millis The number of milliseconds for the setTimeout call (if less than or equal to 0 the function is executed immediately)\r
     * @param {Object} obj (optional) The object for which the scope is set\r
     * @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller)\r
     * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding,\r
     *                                             if a number the args are inserted at the specified position\r
     * @return {Number} The timeout id that can be used with clearTimeout\r
     */\r
    defer : function(millis, obj, args, appendArgs){\r
        var fn = this.createDelegate(obj, args, appendArgs);\r
        if(millis > 0){\r
            return setTimeout(fn, millis);\r
        }\r
        fn();\r
        return 0;\r
    }\r
});\r
\r
/**\r
 * @class String\r
 * These functions are available on every String object.\r
 */\r
Ext.applyIf(String, {\r
    /**\r
     * Allows you to define a tokenized string and pass an arbitrary number of arguments to replace the tokens.  Each\r
     * token must be unique, and must increment in the format {0}, {1}, etc.  Example usage:\r
     * <pre><code>\r
var cls = 'my-class', text = 'Some text';\r
var s = String.format('&lt;div class="{0}">{1}&lt;/div>', cls, text);\r
// s now contains the string: '&lt;div class="my-class">Some text&lt;/div>'\r
     * </code></pre>\r
     * @param {String} string The tokenized string to be formatted\r
     * @param {String} value1 The value to replace token {0}\r
     * @param {String} value2 Etc...\r
     * @return {String} The formatted string\r
     * @static\r
     */\r
    format : function(format){\r
        var args = Ext.toArray(arguments, 1);\r
        return format.replace(/\{(\d+)\}/g, function(m, i){\r
            return args[i];\r
        });\r
    }\r
});\r
\r
/**\r
 * @class Array\r
 */\r
Ext.applyIf(Array.prototype, {\r
    /**\r
     * Checks whether or not the specified object exists in the array.\r
     * @param {Object} o The object to check for\r
     * @return {Number} The index of o in the array (or -1 if it is not found)\r
     */\r
    indexOf : function(o){\r
        for (var i = 0, len = this.length; i < len; i++){\r
            if(this[i] == o){\r
                return i;\r
            }\r
        }\r
        return -1;\r
    },\r
\r
    /**\r
     * Removes the specified object from the array.  If the object is not found nothing happens.\r
     * @param {Object} o The object to remove\r
     * @return {Array} this array\r
     */\r
    remove : function(o){\r
        var index = this.indexOf(o);\r
        if(index != -1){\r
            this.splice(index, 1);\r
        }\r
        return this;\r
    }\r
});\r
/**
 * @class Ext
 */

Ext.ns("Ext.grid", "Ext.dd", "Ext.tree", "Ext.form", "Ext.menu",
       "Ext.state", "Ext.layout", "Ext.app", "Ext.ux", "Ext.chart", "Ext.direct");
    /**
     * Namespace alloted for extensions to the framework.
     * @property ux
     * @type Object
     */

Ext.apply(Ext, function(){
    var E = Ext, idSeed = 0;

    return {
        /**
        * A reusable empty function
        * @property
        * @type Function
        */
        emptyFn : function(){},

        /**
         * URL to a 1x1 transparent gif image used by Ext to create inline icons with CSS background images. 
         * In older versions of IE, this defaults to "http://extjs.com/s.gif" and you should change this to a URL on your server.
         * For other browsers it uses an inline data URL.
         * @type String
         */
        BLANK_IMAGE_URL : Ext.isIE6 || Ext.isIE7 ?
                            'http:/' + '/extjs.com/s.gif' :
                            'data:image/gif;base64,R0lGODlhAQABAID/AMDAwAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==',

        extendX : function(supr, fn){
            return Ext.extend(supr, fn(supr.prototype));
        },

        /**
         * Returns the current HTML document object as an {@link Ext.Element}.
         * @return Ext.Element The document
         */
        getDoc : function(){
            return Ext.get(document);
        },

        /**
         * Returns true if the passed object is a JavaScript date object, otherwise false.
         * @param {Object} object The object to test
         * @return {Boolean}
         */
        isDate : function(v){
            return Object.prototype.toString.apply(v) === '[object Date]';
        },

        /**
         * Utility method for validating that a value is numeric, returning the specified default value if it is not.
         * @param {Mixed} value Should be a number, but any type will be handled appropriately
         * @param {Number} defaultValue The value to return if the original value is non-numeric
         * @return {Number} Value, if numeric, else defaultValue
         */
        num : function(v, defaultValue){
            v = Number(v === null || typeof v == 'boolean'? NaN : v);
            return isNaN(v)? defaultValue : v;
        },

        /**
         * <p>Utility method for returning a default value if the passed value is empty.</p>
         * <p>The value is deemed to be empty if it is<div class="mdetail-params"><ul>
         * <li>null</li>
         * <li>undefined</li>
         * <li>an empty array</li>
         * <li>a zero length string (Unless the <tt>allowBlank</tt> parameter is <tt>true</tt>)</li>
         * </ul></div>
         * @param {Mixed} value The value to test
         * @param {Mixed} defaultValue The value to return if the original value is empty
         * @param {Boolean} allowBlank (optional) true to allow zero length strings to qualify as non-empty (defaults to false)
         * @return {Mixed} value, if non-empty, else defaultValue
         */
        value : function(v, defaultValue, allowBlank){
            return Ext.isEmpty(v, allowBlank) ? defaultValue : v;
        },

        /**
         * Escapes the passed string for use in a regular expression
         * @param {String} str
         * @return {String}
         */
        escapeRe : function(s) {
            return s.replace(/([.*+?^${}()|[\]\/\\])/g, "\\$1");
        },

        sequence : function(o, name, fn, scope){
            o[name] = o[name].createSequence(fn, scope);
        },

        /**
         * Applies event listeners to elements by selectors when the document is ready.
         * The event name is specified with an <tt>&#64;</tt> suffix.
         * <pre><code>
Ext.addBehaviors({
    // add a listener for click on all anchors in element with id foo
    '#foo a&#64;click' : function(e, t){
        // do something
    },
    
    // add the same listener to multiple selectors (separated by comma BEFORE the &#64;)
    '#foo a, #bar span.some-class&#64;mouseover' : function(){
        // do something
    }
});
         * </code></pre> 
         * @param {Object} obj The list of behaviors to apply
         */
        addBehaviors : function(o){
            if(!Ext.isReady){
                Ext.onReady(function(){
                    Ext.addBehaviors(o);
                });
            } else {
                var cache = {}, // simple cache for applying multiple behaviors to same selector does query multiple times
                    parts,
                    b,
                    s;
                for (b in o) {
                    if ((parts = b.split('@'))[1]) { // for Object prototype breakers
                        s = parts[0];
                        if(!cache[s]){
                            cache[s] = Ext.select(s);
                        }
                        cache[s].on(parts[1], o[b]);
                    }
                }
                cache = null;
            }
        },


        // deprecated
        combine : function(){
            var as = arguments, l = as.length, r = [];
            for(var i = 0; i < l; i++){
                var a = as[i];
                if(Ext.isArray(a)){
                    r = r.concat(a);
                }else if(a.length !== undefined && !a.substr){
                    r = r.concat(Array.prototype.slice.call(a, 0));
                }else{
                    r.push(a);
                }
            }
            return r;
        },

        /**
         * Copies a set of named properties fom the source object to the destination object.
         * <p>example:<pre><code>
ImageComponent = Ext.extend(Ext.BoxComponent, {
    initComponent: function() {
        this.autoEl = { tag: 'img' };
        MyComponent.superclass.initComponent.apply(this, arguments);
        this.initialBox = Ext.copyTo({}, this.initialConfig, 'x,y,width,height');
    }
});
         * </code></pre> 
         * @param {Object} The destination object.
         * @param {Object} The source object.
         * @param {Array/String} Either an Array of property names, or a comma-delimited list
         * of property names to copy.
         * @return {Object} The modified object.
        */
        copyTo : function(dest, source, names){
            if(typeof names == 'string'){
                names = names.split(/[,;\s]/);
            }
            Ext.each(names, function(name){
                if(source.hasOwnProperty(name)){
                    dest[name] = source[name];
                }
            }, this);
            return dest;
        },

        /**
         * Attempts to destroy any objects passed to it by removing all event listeners, removing them from the
         * DOM (if applicable) and calling their destroy functions (if available).  This method is primarily
         * intended for arguments of type {@link Ext.Element} and {@link Ext.Component}, but any subclass of
         * {@link Ext.util.Observable} can be passed in.  Any number of elements and/or components can be
         * passed into this function in a single call as separate arguments.
         * @param {Mixed} arg1 An {@link Ext.Element}, {@link Ext.Component}, or an Array of either of these to destroy
         * @param {Mixed} arg2 (optional)
         * @param {Mixed} etc... (optional)
         */
        destroy : function(){
            Ext.each(arguments, function(arg){
                if(arg){
                    if(Ext.isArray(arg)){
                        this.destroy.apply(this, arg);
                    }else if(Ext.isFunction(arg.destroy)){
                        arg.destroy();
                    }else if(arg.dom){
                        arg.remove();
                    }    
                }
            }, this);
        },

        /**
         * Attempts to destroy and then remove a set of named properties of the passed object.
         * @param {Object} o The object (most likely a Component) who's properties you wish to destroy.
         * @param {Mixed} arg1 The name of the property to destroy and remove from the object.
         * @param {Mixed} etc... More property names to destroy and remove.
         */
        destroyMembers : function(o, arg1, arg2, etc){
            for(var i = 1, a = arguments, len = a.length; i < len; i++) {
                Ext.destroy(o[a[i]]);
                delete o[a[i]];
            }
        },

        /**
         * Creates a copy of the passed Array with falsy values removed.
         * @param {Array/NodeList} arr The Array from which to remove falsy values.
         * @return {Array} The new, compressed Array.
         */
        clean : function(arr){
            var ret = [];
            Ext.each(arr, function(v){
                if(!!v){
                    ret.push(v);
                }
            });
            return ret;
        },

        /**
         * Creates a copy of the passed Array, filtered to contain only unique values.
         * @param {Array} arr The Array to filter
         * @return {Array} The new Array containing unique values.
         */
        unique : function(arr){
            var ret = [],
                collect = {};

            Ext.each(arr, function(v) {
                if(!collect[v]){
                    ret.push(v);
                }
                collect[v] = true;
            });
            return ret;
        },

        /**
         * Recursively flattens into 1-d Array. Injects Arrays inline.
         * @param {Array} arr The array to flatten
         * @return {Array} The new, flattened array.
         */
        flatten : function(arr){
            var worker = [];
            function rFlatten(a) {
                Ext.each(a, function(v) {
                    if(Ext.isArray(v)){
                        rFlatten(v);
                    }else{
                        worker.push(v);
                    }
                });
                return worker;
            }
            return rFlatten(arr);
        },

        /**
         * Returns the minimum value in the Array.
         * @param {Array|NodeList} arr The Array from which to select the minimum value.
         * @param {Function} comp (optional) a function to perform the comparision which determines minimization.
         *                   If omitted the "<" operator will be used. Note: gt = 1; eq = 0; lt = -1
         * @return {Object} The minimum value in the Array.
         */
        min : function(arr, comp){
            var ret = arr[0];
            comp = comp || function(a,b){ return a < b ? -1 : 1; };
            Ext.each(arr, function(v) {
                ret = comp(ret, v) == -1 ? ret : v;
            });
            return ret;
        },

        /**
         * Returns the maximum value in the Array
         * @param {Array|NodeList} arr The Array from which to select the maximum value.
         * @param {Function} comp (optional) a function to perform the comparision which determines maximization.
         *                   If omitted the ">" operator will be used. Note: gt = 1; eq = 0; lt = -1
         * @return {Object} The maximum value in the Array.
         */
        max : function(arr, comp){
            var ret = arr[0];
            comp = comp || function(a,b){ return a > b ? 1 : -1; };
            Ext.each(arr, function(v) {
                ret = comp(ret, v) == 1 ? ret : v;
            });
            return ret;
        },

        /**
         * Calculates the mean of the Array
         * @param {Array} arr The Array to calculate the mean value of.
         * @return {Number} The mean.
         */
        mean : function(arr){
           return Ext.sum(arr) / arr.length;
        },

        /**
         * Calculates the sum of the Array
         * @param {Array} arr The Array to calculate the sum value of.
         * @return {Number} The sum.
         */
        sum : function(arr){
           var ret = 0;
           Ext.each(arr, function(v) {
               ret += v;
           });
           return ret;
        },

        /**
         * Partitions the set into two sets: a true set and a false set.
         * Example: 
         * Example2: 
         * <pre><code>
// Example 1:
Ext.partition([true, false, true, true, false]); // [[true, true, true], [false, false]]

// Example 2:
Ext.partition(
    Ext.query("p"),
    function(val){
        return val.className == "class1"
    }
);
// true are those paragraph elements with a className of "class1",
// false set are those that do not have that className.
         * </code></pre>
         * @param {Array|NodeList} arr The array to partition
         * @param {Function} truth (optional) a function to determine truth.  If this is omitted the element
         *                   itself must be able to be evaluated for its truthfulness.
         * @return {Array} [true<Array>,false<Array>]
         */
        partition : function(arr, truth){
            var ret = [[],[]];
            Ext.each(arr, function(v, i, a) {
                ret[ (truth && truth(v, i, a)) || (!truth && v) ? 0 : 1].push(v);
            });
            return ret;
        },

        /**
         * Invokes a method on each item in an Array.
         * <pre><code>
// Example:
Ext.invoke(Ext.query("p"), "getAttribute", "id");
// [el1.getAttribute("id"), el2.getAttribute("id"), ..., elN.getAttribute("id")]
         * </code></pre>
         * @param {Array|NodeList} arr The Array of items to invoke the method on.
         * @param {String} methodName The method name to invoke.
         * @param {Anything} ... Arguments to send into the method invocation.
         * @return {Array} The results of invoking the method on each item in the array.
         */
        invoke : function(arr, methodName){
            var ret = [],
                args = Array.prototype.slice.call(arguments, 2);
            Ext.each(arr, function(v,i) {
                if (v && typeof v[methodName] == "function") {
                    ret.push(v[methodName].apply(v, args));
                } else {
                    ret.push(undefined);
                }
            });
            return ret;
        },

        /**
         * Plucks the value of a property from each item in the Array
         * <pre><code>
// Example:
Ext.pluck(Ext.query("p"), "className"); // [el1.className, el2.className, ..., elN.className]
         * </code></pre>
         * @param {Array|NodeList} arr The Array of items to pluck the value from.
         * @param {String} prop The property name to pluck from each element.
         * @return {Array} The value from each item in the Array.
         */
        pluck : function(arr, prop){
            var ret = [];
            Ext.each(arr, function(v) {
                ret.push( v[prop] );
            });
            return ret;
        },

        /**
         * <p>Zips N sets together.</p>
         * <pre><code>
// Example 1:
Ext.zip([1,2,3],[4,5,6]); // [[1,4],[2,5],[3,6]]
// Example 2:
Ext.zip(
    [ "+", "-", "+"],
    [  12,  10,  22],
    [  43,  15,  96],
    function(a, b, c){
        return "$" + a + "" + b + "." + c
    }
); // ["$+12.43", "$-10.15", "$+22.96"]
         * </code></pre>
         * @param {Arrays|NodeLists} arr This argument may be repeated. Array(s) to contribute values.
         * @param {Function} zipper (optional) The last item in the argument list. This will drive how the items are zipped together.
         * @return {Array} The zipped set.
         */
        zip : function(){
            var parts = Ext.partition(arguments, function( val ){ return !Ext.isFunction(val); }),
                arrs = parts[0],
                fn = parts[1][0],
                len = Ext.max(Ext.pluck(arrs, "length")),
                ret = [];

            for (var i = 0; i < len; i++) {
                ret[i] = [];
                if(fn){
                    ret[i] = fn.apply(fn, Ext.pluck(arrs, i));
                }else{
                    for (var j = 0, aLen = arrs.length; j < aLen; j++){
                        ret[i].push( arrs[j][i] );
                    }
                }
            }
            return ret;
        },

        /**
         * This is shorthand reference to {@link Ext.ComponentMgr#get}.
         * Looks up an existing {@link Ext.Component Component} by {@link Ext.Component#id id}
         * @param {String} id The component {@link Ext.Component#id id}
         * @return Ext.Component The Component, <tt>undefined</tt> if not found, or <tt>null</tt> if a
         * Class was found.
        */
        getCmp : function(id){
            return Ext.ComponentMgr.get(id);
        },

        /**
         * By default, Ext intelligently decides whether floating elements should be shimmed. If you are using flash,
         * you may want to set this to true.
         * @type Boolean
         */
        useShims: E.isIE6 || (E.isMac && E.isGecko2),

        // inpired by a similar function in mootools library
        /**
         * Returns the type of object that is passed in. If the object passed in is null or undefined it
         * return false otherwise it returns one of the following values:<div class="mdetail-params"><ul>
         * <li><b>string</b>: If the object passed is a string</li>
         * <li><b>number</b>: If the object passed is a number</li>
         * <li><b>boolean</b>: If the object passed is a boolean value</li>
         * <li><b>date</b>: If the object passed is a Date object</li>
         * <li><b>function</b>: If the object passed is a function reference</li>
         * <li><b>object</b>: If the object passed is an object</li>
         * <li><b>array</b>: If the object passed is an array</li>
         * <li><b>regexp</b>: If the object passed is a regular expression</li>
         * <li><b>element</b>: If the object passed is a DOM Element</li>
         * <li><b>nodelist</b>: If the object passed is a DOM NodeList</li>
         * <li><b>textnode</b>: If the object passed is a DOM text node and contains something other than whitespace</li>
         * <li><b>whitespace</b>: If the object passed is a DOM text node and contains only whitespace</li>
         * </ul></div>
         * @param {Mixed} object
         * @return {String}
         */
        type : function(o){
            if(o === undefined || o === null){
                return false;
            }
            if(o.htmlElement){
                return 'element';
            }
            var t = typeof o;
            if(t == 'object' && o.nodeName) {
                switch(o.nodeType) {
                    case 1: return 'element';
                    case 3: return (/\S/).test(o.nodeValue) ? 'textnode' : 'whitespace';
                }
            }
            if(t == 'object' || t == 'function') {
                switch(o.constructor) {
                    case Array: return 'array';
                    case RegExp: return 'regexp';
                    case Date: return 'date';
                }
                if(typeof o.length == 'number' && typeof o.item == 'function') {
                    return 'nodelist';
                }
            }
            return t;
        },

        intercept : function(o, name, fn, scope){
            o[name] = o[name].createInterceptor(fn, scope);
        },

        // internal
        callback : function(cb, scope, args, delay){
            if(Ext.isFunction(cb)){
                if(delay){
                    cb.defer(delay, scope, args || []);
                }else{
                    cb.apply(scope, args || []);
                }
            }
        }
    };
}());

/**
 * @class Function
 * These functions are available on every Function object (any JavaScript function).
 */
Ext.apply(Function.prototype, {
    /**
     * Create a combined function call sequence of the original function + the passed function.
     * The resulting function returns the results of the original function.
     * The passed fcn is called with the parameters of the original function. Example usage:
     * <pre><code>
var sayHi = function(name){
    alert('Hi, ' + name);
}

sayHi('Fred'); // alerts "Hi, Fred"

var sayGoodbye = sayHi.createSequence(function(name){
    alert('Bye, ' + name);
});

sayGoodbye('Fred'); // both alerts show
</code></pre>
     * @param {Function} fcn The function to sequence
     * @param {Object} scope (optional) The scope of the passed fcn (Defaults to scope of original function or window)
     * @return {Function} The new function
     */
    createSequence : function(fcn, scope){
        var method = this;
        return !Ext.isFunction(fcn) ?
                this :
                function(){
                    var retval = method.apply(this || window, arguments);
                    fcn.apply(scope || this || window, arguments);
                    return retval;
                };
    }
});


/**
 * @class String
 * These functions are available as static methods on the JavaScript String object.
 */
Ext.applyIf(String, {

    /**
     * Escapes the passed string for ' and \
     * @param {String} string The string to escape
     * @return {String} The escaped string
     * @static
     */
    escape : function(string) {
        return string.replace(/('|\\)/g, "\\$1");
    },

    /**
     * Pads the left side of a string with a specified character.  This is especially useful
     * for normalizing number and date strings.  Example usage:
     * <pre><code>
var s = String.leftPad('123', 5, '0');
// s now contains the string: '00123'
     * </code></pre>
     * @param {String} string The original string
     * @param {Number} size The total length of the output string
     * @param {String} char (optional) The character with which to pad the original string (defaults to empty string " ")
     * @return {String} The padded string
     * @static
     */
    leftPad : function (val, size, ch) {
        var result = String(val);
        if(!ch) {
            ch = " ";
        }
        while (result.length < size) {
            result = ch + result;
        }
        return result;
    }
});

/**
 * Utility function that allows you to easily switch a string between two alternating values.  The passed value
 * is compared to the current string, and if they are equal, the other value that was passed in is returned.  If
 * they are already different, the first value passed in is returned.  Note that this method returns the new value
 * but does not change the current string.
 * <pre><code>
// alternate sort directions
sort = sort.toggle('ASC', 'DESC');

// instead of conditional logic:
sort = (sort == 'ASC' ? 'DESC' : 'ASC');
</code></pre>
 * @param {String} value The value to compare to the current string
 * @param {String} other The new value to use if the string already equals the first value passed in
 * @return {String} The new value
 */
String.prototype.toggle = function(value, other){
    return this == value ? other : value;
};

/**
 * Trims whitespace from either end of a string, leaving spaces within the string intact.  Example:
 * <pre><code>
var s = '  foo bar  ';
alert('-' + s + '-');         //alerts "- foo bar -"
alert('-' + s.trim() + '-');  //alerts "-foo bar-"
</code></pre>
 * @return {String} The trimmed string
 */
String.prototype.trim = function(){
    var re = /^\s+|\s+$/g;
    return function(){ return this.replace(re, ""); };
}();

// here to prevent dependency on Date.js
/**
 Returns the number of milliseconds between this date and date
 @param {Date} date (optional) Defaults to now
 @return {Number} The diff in milliseconds
 @member Date getElapsed
 */
Date.prototype.getElapsed = function(date) {
    return Math.abs((date || new Date()).getTime()-this.getTime());
};


/**
 * @class Number
 */
Ext.applyIf(Number.prototype, {
    /**
     * Checks whether or not the current number is within a desired range.  If the number is already within the
     * range it is returned, otherwise the min or max value is returned depending on which side of the range is
     * exceeded.  Note that this method returns the constrained value but does not change the current number.
     * @param {Number} min The minimum number in the range
     * @param {Number} max The maximum number in the range
     * @return {Number} The constrained value if outside the range, otherwise the current value
     */
    constrain : function(min, max){
        return Math.min(Math.max(this, min), max);
    }
});
/**
 * @class Ext.util.TaskRunner
 * Provides the ability to execute one or more arbitrary tasks in a multithreaded
 * manner.  Generally, you can use the singleton {@link Ext.TaskMgr} instead, but
 * if needed, you can create separate instances of TaskRunner.  Any number of
 * separate tasks can be started at any time and will run independently of each
 * other. Example usage:
 * <pre><code>
// Start a simple clock task that updates a div once per second
var updateClock = function(){
    Ext.fly('clock').update(new Date().format('g:i:s A'));
} 
var task = {
    run: updateClock,
    interval: 1000 //1 second
}
var runner = new Ext.util.TaskRunner();
runner.start(task);

// equivalent using TaskMgr
Ext.TaskMgr.start({
    run: updateClock,
    interval: 1000
});

 * </code></pre>
 * Also see {@link Ext.util.DelayedTask}. 
 * 
 * @constructor
 * @param {Number} interval (optional) The minimum precision in milliseconds supported by this TaskRunner instance
 * (defaults to 10)
 */
Ext.util.TaskRunner = function(interval){
    interval = interval || 10;
    var tasks = [], 
        removeQueue = [],
        id = 0,
        running = false,

        // private
        stopThread = function(){
                running = false;
                clearInterval(id);
                id = 0;
            },

        // private
        startThread = function(){
                if(!running){
                    running = true;
                    id = setInterval(runTasks, interval);
                }
            },

        // private
        removeTask = function(t){
                removeQueue.push(t);
                if(t.onStop){
                    t.onStop.apply(t.scope || t);
                }
            },
            
        // private
        runTasks = function(){
                var rqLen = removeQueue.length,
                        now = new Date().getTime();                                             
            
                if(rqLen > 0){
                    for(var i = 0; i < rqLen; i++){
                        tasks.remove(removeQueue[i]);
                    }
                    removeQueue = [];
                    if(tasks.length < 1){
                        stopThread();
                        return;
                    }
                }               
                for(var i = 0, t, itime, rt, len = tasks.length; i < len; ++i){
                    t = tasks[i];
                    itime = now - t.taskRunTime;
                    if(t.interval <= itime){
                        rt = t.run.apply(t.scope || t, t.args || [++t.taskRunCount]);
                        t.taskRunTime = now;
                        if(rt === false || t.taskRunCount === t.repeat){
                            removeTask(t);
                            return;
                        }
                    }
                    if(t.duration && t.duration <= (now - t.taskStartTime)){
                        removeTask(t);
                    }
                }
            };

    /**
     * Starts a new task.
     * @method start
     * @param {Object} task A config object that supports the following properties:<ul>
     * <li><code>run</code> : Function<div class="sub-desc">The function to execute each time the task is run. The
     * function will be called at each interval and passed the <code>args</code> argument if specified.  If a
     * particular scope is required, be sure to specify it using the <code>scope</code> argument.</div></li>
     * <li><code>interval</code> : Number<div class="sub-desc">The frequency in milliseconds with which the task
     * should be executed.</div></li>
     * <li><code>args</code> : Array<div class="sub-desc">(optional) An array of arguments to be passed to the function
     * specified by <code>run</code>.</div></li>
     * <li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (<tt>this</tt> reference) in which to execute the
     * <code>run</code> function. Defaults to the task config object.</div></li>
     * <li><code>duration</code> : Number<div class="sub-desc">(optional) The length of time in milliseconds to execute
     * the task before stopping automatically (defaults to indefinite).</div></li>
     * <li><code>repeat</code> : Number<div class="sub-desc">(optional) The number of times to execute the task before
     * stopping automatically (defaults to indefinite).</div></li>
     * </ul>
     * @return {Object} The task
     */
    this.start = function(task){
        tasks.push(task);
        task.taskStartTime = new Date().getTime();
        task.taskRunTime = 0;
        task.taskRunCount = 0;
        startThread();
        return task;
    };

    /**
     * Stops an existing running task.
     * @method stop
     * @param {Object} task The task to stop
     * @return {Object} The task
     */
    this.stop = function(task){
        removeTask(task);
        return task;
    };

    /**
     * Stops all tasks that are currently running.
     * @method stopAll
     */
    this.stopAll = function(){
        stopThread();
        for(var i = 0, len = tasks.length; i < len; i++){
            if(tasks[i].onStop){
                tasks[i].onStop();
            }
        }
        tasks = [];
        removeQueue = [];
    };
};

/**
 * @class Ext.TaskMgr
 * @extends Ext.util.TaskRunner
 * A static {@link Ext.util.TaskRunner} instance that can be used to start and stop arbitrary tasks.  See
 * {@link Ext.util.TaskRunner} for supported methods and task config properties.
 * <pre><code>
// Start a simple clock task that updates a div once per second
var task = {
    run: function(){
        Ext.fly('clock').update(new Date().format('g:i:s A'));
    },
    interval: 1000 //1 second
}
Ext.TaskMgr.start(task);
</code></pre>
 * @singleton
 */
Ext.TaskMgr = new Ext.util.TaskRunner();if(typeof YAHOO == "undefined"){
    throw "Unable to load Ext, core YUI utilities (yahoo, dom, event) not found.";
}

(function(){
    var E = YAHOO.util.Event,
        D = YAHOO.util.Dom,
        CN = YAHOO.util.Connect,
        ES = YAHOO.util.Easing,
        A = YAHOO.util.Anim,
        libFlyweight,
        version = YAHOO.env.getVersion('yahoo').version.split('.'),
        mouseEnterSupported = parseInt(version[0]) >= 3,
        mouseCache = {},
        isXUL = Ext.isGecko ? function(node){
            return Object.prototype.toString.call(node) == '[object XULElement]';
        } : function(){
        }, isTextNode = Ext.isGecko ? function(node){
            try{
                return node.nodeType == 3;
            }catch (e){
                return false;
            }
        } : function(node){
            return node.nodeType == 3;
        }, elContains = function(parent, child){
            if(parent && parent.firstChild){
                while(child){
                    if(child === parent){
                        return true;
                    }
                    try{
                        child = child.parentNode;
                    }catch (e){
                        return false;
                    }
                    if(child && (child.nodeType != 1)){
                        child = null;
                    }
                }
            }
            return false;
        }, checkRelatedTarget = function(e){
            var related = Ext.lib.Event.getRelatedTarget(e);
            return !(isXUL(related) || elContains(e.currentTarget, related));
        };

Ext.lib.Dom = {
    getViewWidth : function(full){
        return full ? D.getDocumentWidth() : D.getViewportWidth();
    },

    getViewHeight : function(full){
        return full ? D.getDocumentHeight() : D.getViewportHeight();
    },

    isAncestor : function(haystack, needle){
        return D.isAncestor(haystack, needle);
    },

    getRegion : function(el){
        return D.getRegion(el);
    },

    getY : function(el){
        return this.getXY(el)[1];
    },

    getX : function(el){
        return this.getXY(el)[0];
    },

    // original version based on YahooUI getXY
    // this version fixes several issues in Safari and FF
    // and boosts performance by removing the batch overhead, repetitive dom lookups and array index calls
    getXY : function(el){
        var p, pe, b, scroll, bd = (document.body || document.documentElement);
        el = Ext.getDom(el);

        if(el == bd){
            return [0, 0];
        }

        if (el.getBoundingClientRect) {
            b = el.getBoundingClientRect();
            scroll = fly(document).getScroll();
            return [Math.round(b.left + scroll.left), Math.round(b.top + scroll.top)];
        }
        var x = 0, y = 0;

        p = el;

        var hasAbsolute = fly(el).getStyle("position") == "absolute";

        while (p) {

            x += p.offsetLeft;
            y += p.offsetTop;

            if (!hasAbsolute && fly(p).getStyle("position") == "absolute") {
                hasAbsolute = true;
            }

            if (Ext.isGecko) {
                pe = fly(p);

                var bt = parseInt(pe.getStyle("borderTopWidth"), 10) || 0;
                var bl = parseInt(pe.getStyle("borderLeftWidth"), 10) || 0;


                x += bl;
                y += bt;


                if (p != el && pe.getStyle('overflow') != 'visible') {
                    x += bl;
                    y += bt;
                }
            }
            p = p.offsetParent;
        }

        if (Ext.isSafari && hasAbsolute) {
            x -= bd.offsetLeft;
            y -= bd.offsetTop;
        }

        if (Ext.isGecko && !hasAbsolute) {
            var dbd = fly(bd);
            x += parseInt(dbd.getStyle("borderLeftWidth"), 10) || 0;
            y += parseInt(dbd.getStyle("borderTopWidth"), 10) || 0;
        }

        p = el.parentNode;
        while (p && p != bd) {
            if (!Ext.isOpera || (p.tagName != 'TR' && fly(p).getStyle("display") != "inline")) {
                x -= p.scrollLeft;
                y -= p.scrollTop;
            }
            p = p.parentNode;
        }
        return [x, y];
    },

    setXY : function(el, xy){
        el = Ext.fly(el, '_setXY');
        el.position();
        var pts = el.translatePoints(xy);
        if(xy[0] !== false){
            el.dom.style.left = pts.left + "px";
        }
        if(xy[1] !== false){
            el.dom.style.top = pts.top + "px";
        }
    },

    setX : function(el, x){
        this.setXY(el, [x, false]);
    },

    setY : function(el, y){
        this.setXY(el, [false, y]);
    }
};

Ext.lib.Event = {
    getPageX : function(e){
        return E.getPageX(e.browserEvent || e);
    },

    getPageY : function(e){
        return E.getPageY(e.browserEvent || e);
    },

    getXY : function(e){
        return E.getXY(e.browserEvent || e);
    },

    getTarget : function(e){
        return E.getTarget(e.browserEvent || e);
    },

    getRelatedTarget : function(e){
        return E.getRelatedTarget(e.browserEvent || e);
    },

    on : function(el, eventName, fn, scope, override){
        if((eventName == 'mouseenter' || eventName == 'mouseleave') && !mouseEnterSupported){
            var item = mouseCache[el.id] || (mouseCache[el.id] = {});
            item[eventName] = fn;
            fn = fn.createInterceptor(checkRelatedTarget);
            eventName = (eventName == 'mouseenter') ? 'mouseover' : 'mouseout';
        }
        E.on(el, eventName, fn, scope, override);
    },

    un : function(el, eventName, fn){
        if((eventName == 'mouseenter' || eventName == 'mouseleave') && !mouseEnterSupported){
            var item = mouseCache[el.id], 
                ev = item && item[eventName];

            if(ev){
                fn = ev.fn;
                delete item[eventName];
                eventName = (eventName == 'mouseenter') ? 'mouseover' : 'mouseout';
            }
        }
        E.removeListener(el, eventName, fn);;
    },

    purgeElement : function(el){
        E.purgeElement(el);
    },

    preventDefault : function(e){
        E.preventDefault(e.browserEvent || e);
    },

    stopPropagation : function(e){
        E.stopPropagation(e.browserEvent || e);
    },

    stopEvent : function(e){
        E.stopEvent(e.browserEvent || e);
    },

    onAvailable : function(el, fn, scope, override){
        return E.onAvailable(el, fn, scope, override);
    }
};

Ext.lib.Ajax = {
    request : function(method, uri, cb, data, options){
        if(options){
            var hs = options.headers;
            if(hs){
                for(var h in hs){
                    if(hs.hasOwnProperty(h)){
                        CN.initHeader(h, hs[h], false);
                    }
                }
            }
            if(options.xmlData){
                if (!hs || !hs['Content-Type']){
                    CN.initHeader('Content-Type', 'text/xml', false);
                }
                method = (method ? method : (options.method ? options.method : 'POST'));
                data = options.xmlData;
            }else if(options.jsonData){
                if (!hs || !hs['Content-Type']){
                    CN.initHeader('Content-Type', 'application/json', false);
                }
                method = (method ? method : (options.method ? options.method : 'POST'));
                data = typeof options.jsonData == 'object' ? Ext.encode(options.jsonData) : options.jsonData;
            }
        }
        return CN.asyncRequest(method, uri, cb, data);
    },

    formRequest : function(form, uri, cb, data, isUpload, sslUri){
        CN.setForm(form, isUpload, sslUri);
        return CN.asyncRequest(Ext.getDom(form).method ||'POST', uri, cb, data);
    },

    isCallInProgress : function(trans){
        return CN.isCallInProgress(trans);
    },

    abort : function(trans){
        return CN.abort(trans);
    },

    serializeForm : function(form){
        var d = CN.setForm(form.dom || form);
        CN.resetFormState();
        return d;
    }
};

Ext.lib.Region = YAHOO.util.Region;
Ext.lib.Point = YAHOO.util.Point;


Ext.lib.Anim = {
    scroll : function(el, args, duration, easing, cb, scope){
        this.run(el, args, duration, easing, cb, scope, YAHOO.util.Scroll);
    },

    motion : function(el, args, duration, easing, cb, scope){
        this.run(el, args, duration, easing, cb, scope, YAHOO.util.Motion);
    },

    color : function(el, args, duration, easing, cb, scope){
        this.run(el, args, duration, easing, cb, scope, YAHOO.util.ColorAnim);
    },

    run : function(el, args, duration, easing, cb, scope, type){
        type = type || YAHOO.util.Anim;
        if(typeof easing == "string"){
            easing = YAHOO.util.Easing[easing];
        }
        var anim = new type(el, args, duration, easing);
        anim.animateX(function(){
            Ext.callback(cb, scope);
        });
        return anim;
    }
};

// all lib flyweight calls use their own flyweight to prevent collisions with developer flyweights
function fly(el){
    if(!libFlyweight){
        libFlyweight = new Ext.Element.Flyweight();
    }
    libFlyweight.dom = el;
    return libFlyweight;
}

// prevent IE leaks
if(Ext.isIE) {
    function fnCleanUp() {
        var p = Function.prototype;
        delete p.createSequence;
        delete p.defer;
        delete p.createDelegate;
        delete p.createCallback;
        delete p.createInterceptor;

        window.detachEvent("onunload", fnCleanUp);
    }
    window.attachEvent("onunload", fnCleanUp);
}
// various overrides

// add ability for callbacks with animations
if(YAHOO.util.Anim){
    YAHOO.util.Anim.prototype.animateX = function(callback, scope){
        var f = function(){
            this.onComplete.unsubscribe(f);
            if(typeof callback == "function"){
                callback.call(scope || this, this);
            }
        };
        this.onComplete.subscribe(f, this, true);
        this.animate();
    };
}

if(YAHOO.util.DragDrop && Ext.dd.DragDrop){
    YAHOO.util.DragDrop.defaultPadding = Ext.dd.DragDrop.defaultPadding;
    YAHOO.util.DragDrop.constrainTo = Ext.dd.DragDrop.constrainTo;
}

YAHOO.util.Dom.getXY = function(el) {
    var f = function(el) {
        return Ext.lib.Dom.getXY(el);
    };
    return YAHOO.util.Dom.batch(el, f, YAHOO.util.Dom, true);
};


// workaround for Safari anim duration speed problems
if(YAHOO.util.AnimMgr){
    YAHOO.util.AnimMgr.fps = 1000;
}

YAHOO.util.Region.prototype.adjust = function(t, l, b, r){
    this.top += t;
    this.left += l;
    this.right += r;
    this.bottom += b;
    return this;
};
    
YAHOO.util.Region.prototype.constrainTo = function(r) {
    this.top = this.top.constrain(r.top, r.bottom);
    this.bottom = this.bottom.constrain(r.top, r.bottom);
    this.left = this.left.constrain(r.left, r.right);
    this.right = this.right.constrain(r.left, r.right);
    return this;
};


})();