/*! - * Ext JS Library 3.0.3 - * Copyright(c) 2006-2009 Ext JS, LLC - * licensing@extjs.com - * http://www.extjs.com/license + + + ++ \ No newline at end of fileThe source code + + + + ++// for old browsers +window.undefined = window.undefined; + +/** + * @class Ext + * Ext core utilities and functions. + * @singleton */ - -// for old browsers -window.undefined = window.undefined; - -/** - * @class Ext - * Ext core utilities and functions. - * @singleton - */ - -Ext = { - /** - * The version of the framework - * @type String - */ - version : '3.0.1' -}; - -/** - * Copies all the properties of config to obj. - * @param {Object} obj The receiver of the properties - * @param {Object} config The source of the properties - * @param {Object} defaults A different object that will also be applied for default values - * @return {Object} returns obj - * @member Ext apply - */ -Ext.apply = function(o, c, defaults){ - // no "this" reference for friendly out of scope calls - if(defaults){ - Ext.apply(o, defaults); - } - if(o && c && typeof c == 'object'){ - for(var p in c){ - o[p] = c[p]; - } - } - return o; -}; - -(function(){ - var idSeed = 0, - toString = Object.prototype.toString, - ua = navigator.userAgent.toLowerCase(), - check = function(r){ - return r.test(ua); - }, - DOC = document, - isStrict = DOC.compatMode == "CSS1Compat", - isOpera = check(/opera/), - isChrome = check(/chrome/), - isWebKit = check(/webkit/), - isSafari = !isChrome && check(/safari/), - isSafari2 = isSafari && check(/applewebkit\/4/), // unique to Safari 2 - isSafari3 = isSafari && check(/version\/3/), - isSafari4 = isSafari && check(/version\/4/), - isIE = !isOpera && check(/msie/), - isIE7 = isIE && check(/msie 7/), - isIE8 = isIE && check(/msie 8/), - isIE6 = isIE && !isIE7 && !isIE8, - isGecko = !isWebKit && check(/gecko/), - isGecko2 = isGecko && check(/rv:1\.8/), - isGecko3 = isGecko && check(/rv:1\.9/), - isBorderBox = isIE && !isStrict, - isWindows = check(/windows|win32/), - isMac = check(/macintosh|mac os x/), - isAir = check(/adobeair/), - isLinux = check(/linux/), - isSecure = /^https/i.test(window.location.protocol); - - // remove css image flicker - if(isIE6){ - try{ - DOC.execCommand("BackgroundImageCache", false, true); - }catch(e){} - } - - Ext.apply(Ext, { - /** - * URL to a blank file used by Ext when in secure mode for iframe src and onReady src to prevent - * the IE insecure content warning ('about:blank', except for IE in secure mode, which is 'javascript:""'). - * @type String - */ - SSL_SECURE_URL : isSecure && isIE ? 'javascript:""' : 'about:blank', - /** - * True if the browser is in strict (standards-compliant) mode, as opposed to quirks mode - * @type Boolean - */ - isStrict : isStrict, - /** - * True if the page is running over SSL - * @type Boolean - */ - isSecure : isSecure, - /** - * True when the document is fully initialized and ready for action - * @type Boolean - */ - isReady : false, - - /** - * True if the {@link Ext.Fx} Class is available - * @type Boolean - * @property enableFx - */ - - /** - * True to automatically uncache orphaned Ext.Elements periodically (defaults to true) - * @type Boolean - */ - enableGarbageCollector : true, - - /** - * True to automatically purge event listeners after uncaching an element (defaults to false). - * Note: this only happens if {@link #enableGarbageCollector} is true. - * @type Boolean - */ - enableListenerCollection : false, - - /** - * Indicates whether to use native browser parsing for JSON methods. - * This option is ignored if the browser does not support native JSON methods. - * Note: Native JSON methods will not work with objects that have functions. - * Also, property names must be quoted, otherwise the data will not parse. (Defaults to false) - * @type Boolean - */ - USE_NATIVE_JSON : false, - - /** - * Copies all the properties of config to obj if they don't already exist. - * @param {Object} obj The receiver of the properties - * @param {Object} config The source of the properties - * @return {Object} returns obj - */ - applyIf : function(o, c){ - if(o){ - for(var p in c){ - if(!Ext.isDefined(o[p])){ - o[p] = c[p]; - } - } - } - return o; - }, - - /** - * Generates unique ids. If the element already has an id, it is unchanged - * @param {Mixed} el (optional) The element to generate an id for - * @param {String} prefix (optional) Id prefix (defaults "ext-gen") - * @return {String} The generated Id. - */ - id : function(el, prefix){ - return (el = Ext.getDom(el) || {}).id = el.id || (prefix || "ext-gen") + (++idSeed); - }, - - /** - *- + +Ext = { + /** + * The version of the framework + * @type String + */ + version : '3.1.0' +}; + +/** + * Copies all the properties of config to obj. + * @param {Object} obj The receiver of the properties + * @param {Object} config The source of the properties + * @param {Object} defaults A different object that will also be applied for default values + * @return {Object} returns obj + * @member Ext apply + */ +Ext.apply = function(o, c, defaults){ + // no "this" reference for friendly out of scope calls + if(defaults){ + Ext.apply(o, defaults); + } + if(o && c && typeof c == 'object'){ + for(var p in c){ + o[p] = c[p]; + } + } + return o; +}; + +(function(){ + var idSeed = 0, + toString = Object.prototype.toString, + ua = navigator.userAgent.toLowerCase(), + check = function(r){ + return r.test(ua); + }, + DOC = document, + isStrict = DOC.compatMode == "CSS1Compat", + isOpera = check(/opera/), + isChrome = check(/chrome/), + isWebKit = check(/webkit/), + isSafari = !isChrome && check(/safari/), + isSafari2 = isSafari && check(/applewebkit\/4/), // unique to Safari 2 + isSafari3 = isSafari && check(/version\/3/), + isSafari4 = isSafari && check(/version\/4/), + isIE = !isOpera && check(/msie/), + isIE7 = isIE && check(/msie 7/), + isIE8 = isIE && check(/msie 8/), + isIE6 = isIE && !isIE7 && !isIE8, + isGecko = !isWebKit && check(/gecko/), + isGecko2 = isGecko && check(/rv:1\.8/), + isGecko3 = isGecko && check(/rv:1\.9/), + isBorderBox = isIE && !isStrict, + isWindows = check(/windows|win32/), + isMac = check(/macintosh|mac os x/), + isAir = check(/adobeair/), + isLinux = check(/linux/), + isSecure = /^https/i.test(window.location.protocol); + + // remove css image flicker + if(isIE6){ + try{ + DOC.execCommand("BackgroundImageCache", false, true); + }catch(e){} + } + + Ext.apply(Ext, { + /** + * URL to a blank file used by Ext when in secure mode for iframe src and onReady src to prevent + * the IE insecure content warning ('about:blank', except for IE in secure mode, which is 'javascript:""'). + * @type String + */ + SSL_SECURE_URL : isSecure && isIE ? 'javascript:""' : 'about:blank', + /** + * True if the browser is in strict (standards-compliant) mode, as opposed to quirks mode + * @type Boolean + */ + isStrict : isStrict, + /** + * True if the page is running over SSL + * @type Boolean + */ + isSecure : isSecure, + /** + * True when the document is fully initialized and ready for action + * @type Boolean + */ + isReady : false, + + /** + * True if the {@link Ext.Fx} Class is available + * @type Boolean + * @property enableFx + */ + + /** + * True to automatically uncache orphaned Ext.Elements periodically (defaults to true) + * @type Boolean + */ + enableGarbageCollector : true, + + /** + * True to automatically purge event listeners during garbageCollection (defaults to false). + * @type Boolean + */ + enableListenerCollection : false, + + /** + * EXPERIMENTAL - True to cascade listener removal to child elements when an element is removed. + * Currently not optimized for performance. + * @type Boolean + */ + enableNestedListenerRemoval : false, + + /** + * Indicates whether to use native browser parsing for JSON methods. + * This option is ignored if the browser does not support native JSON methods. + * Note: Native JSON methods will not work with objects that have functions. + * Also, property names must be quoted, otherwise the data will not parse. (Defaults to false) + * @type Boolean + */ + USE_NATIVE_JSON : false, + + /** + * Copies all the properties of config to obj if they don't already exist. + * @param {Object} obj The receiver of the properties + * @param {Object} config The source of the properties + * @return {Object} returns obj + */ + applyIf : function(o, c){ + if(o){ + for(var p in c){ + if(!Ext.isDefined(o[p])){ + o[p] = c[p]; + } + } + } + return o; + }, + + /** + * Generates unique ids. If the element already has an id, it is unchanged + * @param {Mixed} el (optional) The element to generate an id for + * @param {String} prefix (optional) Id prefix (defaults "ext-gen") + * @return {String} The generated Id. + */ + id : function(el, prefix){ + return (el = Ext.getDom(el) || {}).id = el.id || (prefix || "ext-gen") + (++idSeed); + }, + + /** + *Extends one class to create a subclass and optionally overrides members with the passed literal. This method - * also adds the function "override()" to the subclass that can be used to override members of the class.
- * For example, to create a subclass of Ext GridPanel: - *- * - *-MyGridPanel = Ext.extend(Ext.grid.GridPanel, { - constructor: function(config) { - -// Create configuration for this Grid. - var store = new Ext.data.Store({...}); - var colModel = new Ext.grid.ColumnModel({...}); - -// Create a new config object containing our computed properties -// *plus* whatever was in the config parameter. - config = Ext.apply({ - store: store, - colModel: colModel - }, config); - - MyGridPanel.superclass.constructor.call(this, config); - -// Your postprocessing here - }, - - yourMethod: function() { - // etc. - } -}); -This function also supports a 3-argument call in which the subclass's constructor is - * passed as an argument. In this form, the parameters are as follows:
- *- * - * @param {Function} subclass The constructor of class being extended. - * @param {Object} overrides- *
- - *
subclass: FunctionThe subclass constructor.- - *
superclass: FunctionThe constructor of class being extended- - *
overrides: ObjectA literal with members which are copied into the subclass's - * prototype, and are therefore shared among all instances of the new class.A literal with members which are copied into the subclass's - * prototype, and are therefore shared between all instances of the new class.
- *This may contain a special member named constructor. This is used - * to define the constructor of the new class, and is returned. If this property is - * not specified, a constructor is generated and returned which just calls the - * superclass's constructor passing on its parameters.
- *It is essential that you call the superclass constructor in any provided constructor. See example code.
- * @return {Function} The subclass constructor. - */ - extend : function(){ - // inline overrides - var io = function(o){ - for(var m in o){ - this[m] = o[m]; - } - }; - var oc = Object.prototype.constructor; - - return function(sb, sp, overrides){ - if(Ext.isObject(sp)){ - overrides = sp; - sp = sb; - sb = overrides.constructor != oc ? overrides.constructor : function(){sp.apply(this, arguments);}; - } - var F = function(){}, - sbp, - spp = sp.prototype; - - F.prototype = spp; - sbp = sb.prototype = new F(); - sbp.constructor=sb; - sb.superclass=spp; - if(spp.constructor == oc){ - spp.constructor=sp; - } - sb.override = function(o){ - Ext.override(sb, o); - }; - sbp.superclass = sbp.supr = (function(){ - return spp; - }); - sbp.override = io; - Ext.override(sb, overrides); - sb.extend = function(o){return Ext.extend(sb, o);}; - return sb; - }; - }(), - - /** - * Adds a list of functions to the prototype of an existing class, overwriting any existing methods with the same name. - * Usage:- * @param {Object} origclass The class to override - * @param {Object} overrides The list of functions to add to origClass. This should be specified as an object literal - * containing one or more methods. - * @method override - */ - override : function(origclass, overrides){ - if(overrides){ - var p = origclass.prototype; - Ext.apply(p, overrides); - if(Ext.isIE && overrides.toString != origclass.toString){ - p.toString = overrides.toString; - } - } - }, - - /** - * Creates namespaces to be used for scoping variables and classes so that they are not global. - * Specifying the last node of a namespace implicitly creates all other nodes. Usage: - *-Ext.override(MyClass, { - newMethod1: function(){ - // etc. - }, - newMethod2: function(foo){ - // etc. - } -}); -- * @param {String} namespace1 - * @param {String} namespace2 - * @param {String} etc - * @return {Object} The namespace object. (If multiple arguments are passed, this will be the last namespace created) - * @method namespace - */ - namespace : function(){ - var o, d; - Ext.each(arguments, function(v) { - d = v.split("."); - o = window[d[0]] = window[d[0]] || {}; - Ext.each(d.slice(1), function(v2){ - o = o[v2] = o[v2] || {}; - }); - }); - return o; - }, - - /** - * 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. - * @param {Object} o - * @param {String} pre (optional) A prefix to add to the url encoded string - * @return {String} - */ - urlEncode : function(o, pre){ - var empty, - buf = [], - e = encodeURIComponent; - - Ext.iterate(o, function(key, item){ - empty = Ext.isEmpty(item); - Ext.each(empty ? key : item, function(val){ - buf.push('&', e(key), '=', (!Ext.isEmpty(val) && (val != key || !empty)) ? (Ext.isDate(val) ? Ext.encode(val).replace(/"/g, '') : e(val)) : ''); - }); - }); - if(!pre){ - buf.shift(); - pre = ''; - } - return pre + buf.join(''); - }, - - /** - * Takes an encoded URL and and converts it to an object. Example:-Ext.namespace('Company', 'Company.data'); -Ext.namespace('Company.data'); // equivalent and preferable to above syntax -Company.Widget = function() { ... } -Company.data.CustomStore = function(config) { ... } -- * @param {String} string - * @param {Boolean} overwrite (optional) Items of the same name will overwrite previous values instead of creating an an array (Defaults to false). - * @return {Object} A literal with members - */ - urlDecode : function(string, overwrite){ - if(Ext.isEmpty(string)){ - return {}; - } - var obj = {}, - pairs = string.split('&'), - d = decodeURIComponent, - name, - value; - Ext.each(pairs, function(pair) { - pair = pair.split('='); - name = d(pair[0]); - value = d(pair[1]); - obj[name] = overwrite || !obj[name] ? value : - [].concat(obj[name]).concat(value); - }); - return obj; - }, - - /** - * Appends content to the query string of a URL, handling logic for whether to place - * a question mark or ampersand. - * @param {String} url The URL to append to. - * @param {String} s The content to append to the URL. - * @return (String) The resulting URL - */ - urlAppend : function(url, s){ - if(!Ext.isEmpty(s)){ - return url + (url.indexOf('?') === -1 ? '?' : '&') + s; - } - return url; - }, - - /** - * Converts any iterable (numeric indices and a length property) into a true array - * Don't use this on strings. IE doesn't support "abc"[0] which this implementation depends on. - * For strings, use this instead: "abc".match(/./g) => [a,b,c]; - * @param {Iterable} the iterable object to be turned into a true Array. - * @return (Array) array - */ - toArray : function(){ - return isIE ? - function(a, i, j, res){ - res = []; - Ext.each(a, function(v) { - res.push(v); - }); - return res.slice(i || 0, j || res.length); - } : - function(a, i, j){ - return Array.prototype.slice.call(a, i || 0, j || a.length); - } - }(), - - isIterable : function(v){ - //check for array or arguments - if(Ext.isArray(v) || v.callee){ - return true; - } - //check for node list type - if(/NodeList|HTMLCollection/.test(toString.call(v))){ - return true; - } - //NodeList has an item and length property - //IXMLDOMNodeList has nextNode method, needs to be checked first. - return ((v.nextNode || v.item) && Ext.isNumber(v.length)); - }, - - /** - * Iterates an array calling the supplied function. - * @param {Array/NodeList/Mixed} array The array to be iterated. If this - * argument is not really an array, the supplied function is called once. - * @param {Function} fn The function to be called with each item. If the - * supplied function returns false, iteration stops and this method returns - * the current-Ext.urlDecode("foo=1&bar=2"); // returns {foo: "1", bar: "2"} -Ext.urlDecode("foo=1&bar=2&bar=3&bar=4", false); // returns {foo: "1", bar: ["2", "3", "4"]} -index. This function is called with - * the following arguments: - *- * @param {Object} scope The scope (- *
- - *
item: Mixed - *The item at the currentindex- * in the passedarray- - *
index: Number - *The current index within the array- - *
allItems: Array - *Thearraypassed as the first - * argument toExt.each.thisreference) in which the specified function is executed. - * Defaults to theitemat the currentindex- * within the passedarray. - * @return See description for the fn parameter. - */ - each : function(array, fn, scope){ - if(Ext.isEmpty(array, true)){ - return; - } - if(!Ext.isIterable(array) || Ext.isPrimitive(array)){ - array = [array]; - } - for(var i = 0, len = array.length; i < len; i++){ - if(fn.call(scope || array[i], array[i], i, array) === false){ - return i; - }; - } - }, - - /** - * Iterates either the elements in an array, or each of the properties in an object. - * Note: If you are only iterating arrays, it is better to call {@link #each}. - * @param {Object/Array} object The object or array to be iterated - * @param {Function} fn The function to be called for each iteration. - * The iteration will stop if the supplied function returns false, or - * all array elements / object properties have been covered. The signature - * varies depending on the type of object being interated: - *- * @param {Object} scope The scope (- *
- Arrays : (Object item, Number index, Array allItems) - *
- *- * When iterating an array, the supplied function is called with each item.- Objects : (String key, Object value) - *
- *- * When iterating an object, the supplied function is called with each key-value pair in - * the object.thisreference) in which the specified function is executed. Defaults to - * theobjectbeing iterated. - */ - iterate : function(obj, fn, scope){ - if(Ext.isEmpty(obj)){ - return; - } - if(Ext.isIterable(obj)){ - Ext.each(obj, fn, scope); - return; - }else if(Ext.isObject(obj)){ - for(var prop in obj){ - if(obj.hasOwnProperty(prop)){ - if(fn.call(scope || obj, prop, obj[prop]) === false){ - return; - }; - } - } - } - }, - - /** - * Return the dom node for the passed String (id), dom node, or Ext.Element. - * Here are some examples: - *- * Note: the dom node to be found actually needs to exist (be rendered, etc) - * when this method is called to be successful. - * @param {Mixed} el - * @return HTMLElement - */ - getDom : function(el){ - if(!el || !DOC){ - return null; - } - return el.dom ? el.dom : (Ext.isString(el) ? DOC.getElementById(el) : el); - }, - - /** - * Returns the current document body as an {@link Ext.Element}. - * @return Ext.Element The document body - */ - getBody : function(){ - return Ext.get(DOC.body || DOC.documentElement); - }, - - /** - * Removes a DOM node from the document. The body node will be ignored if passed in. - * @param {HTMLElement} node The node to remove - */ - removeNode : isIE ? function(){ - var d; - return function(n){ - if(n && n.tagName != 'BODY'){ - d = d || DOC.createElement('div'); - d.appendChild(n); - d.innerHTML = ''; - } - } - }() : function(n){ - if(n && n.parentNode && n.tagName != 'BODY'){ - n.parentNode.removeChild(n); - } - }, - - /** - *-// gets dom node based on id -var elDom = Ext.getDom('elId'); -// gets dom node based on the dom node -var elDom1 = Ext.getDom(elDom); - -// If we don't know if we are working with an -// Ext.Element or a dom node use Ext.getDom -function(el){ - var dom = Ext.getDom(el); - // do something with the dom node -} - *Returns true if the passed value is empty.
- *The value is deemed to be empty if it is
- * @param {Mixed} value The value to test - * @param {Boolean} allowBlank (optional) true to allow empty strings (defaults to false) - * @return {Boolean} - */ - isEmpty : function(v, allowBlank){ - return v === null || v === undefined || ((Ext.isArray(v) && !v.length)) || (!allowBlank ? v === '' : false); - }, - - /** - * Returns true if the passed value is a JavaScript array, otherwise false. - * @param {Mixed} value The value to test - * @return {Boolean} - */ - isArray : function(v){ - return toString.apply(v) === '[object Array]'; - }, - - /** - * 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 toString.apply(v) === '[object Date]'; - }, - - /** - * Returns true if the passed value is a JavaScript Object, otherwise false. - * @param {Mixed} value The value to test - * @return {Boolean} - */ - isObject : function(v){ - return v && typeof v == "object"; - }, - - /** - * Returns true if the passed value is a JavaScript 'primitive', a string, number or boolean. - * @param {Mixed} value The value to test - * @return {Boolean} - */ - isPrimitive : function(v){ - return Ext.isString(v) || Ext.isNumber(v) || Ext.isBoolean(v); - }, - - /** - * Returns true if the passed value is a JavaScript Function, otherwise false. - * @param {Mixed} value The value to test - * @return {Boolean} - */ - isFunction : function(v){ - return toString.apply(v) === '[object Function]'; - }, - - /** - * Returns true if the passed value is a number. Returns false for non-finite numbers. - * @param {Mixed} value The value to test - * @return {Boolean} - */ - isNumber : function(v){ - return typeof v === 'number' && isFinite(v); - }, - - /** - * Returns true if the passed value is a string. - * @param {Mixed} value The value to test - * @return {Boolean} - */ - isString : function(v){ - return typeof v === 'string'; - }, - - /** - * Returns true if the passed value is a boolean. - * @param {Mixed} value The value to test - * @return {Boolean} - */ - isBoolean : function(v){ - return typeof v === 'boolean'; - }, - - /** - * Returns true if the passed value is not undefined. - * @param {Mixed} value The value to test - * @return {Boolean} - */ - isDefined : function(v){ - return typeof v !== 'undefined'; - }, - - /** - * True if the detected browser is Opera. - * @type Boolean - */ - isOpera : isOpera, - /** - * True if the detected browser uses WebKit. - * @type Boolean - */ - isWebKit : isWebKit, - /** - * True if the detected browser is Chrome. - * @type Boolean - */ - isChrome : isChrome, - /** - * True if the detected browser is Safari. - * @type Boolean - */ - isSafari : isSafari, - /** - * True if the detected browser is Safari 3.x. - * @type Boolean - */ - isSafari3 : isSafari3, - /** - * True if the detected browser is Safari 4.x. - * @type Boolean - */ - isSafari4 : isSafari4, - /** - * True if the detected browser is Safari 2.x. - * @type Boolean - */ - isSafari2 : isSafari2, - /** - * True if the detected browser is Internet Explorer. - * @type Boolean - */ - isIE : isIE, - /** - * True if the detected browser is Internet Explorer 6.x. - * @type Boolean - */ - isIE6 : isIE6, - /** - * True if the detected browser is Internet Explorer 7.x. - * @type Boolean - */ - isIE7 : isIE7, - /** - * True if the detected browser is Internet Explorer 8.x. - * @type Boolean - */ - isIE8 : isIE8, - /** - * True if the detected browser uses the Gecko layout engine (e.g. Mozilla, Firefox). - * @type Boolean - */ - isGecko : isGecko, - /** - * True if the detected browser uses a pre-Gecko 1.9 layout engine (e.g. Firefox 2.x). - * @type Boolean - */ - isGecko2 : isGecko2, - /** - * True if the detected browser uses a Gecko 1.9+ layout engine (e.g. Firefox 3.x). - * @type Boolean - */ - isGecko3 : isGecko3, - /** - * True if the detected browser is Internet Explorer running in non-strict mode. - * @type Boolean - */ - isBorderBox : isBorderBox, - /** - * True if the detected platform is Linux. - * @type Boolean - */ - isLinux : isLinux, - /** - * True if the detected platform is Windows. - * @type Boolean - */ - isWindows : isWindows, - /** - * True if the detected platform is Mac OS. - * @type Boolean - */ - isMac : isMac, - /** - * True if the detected platform is Adobe Air. - * @type Boolean - */ - isAir : isAir - }); - - /** - * Creates namespaces to be used for scoping variables and classes so that they are not global. - * Specifying the last node of a namespace implicitly creates all other nodes. Usage: - *- *
- null
- *- undefined
- *- an empty array
- *- a zero length string (Unless the allowBlank parameter is true)
- *- * @param {String} namespace1 - * @param {String} namespace2 - * @param {String} etc - * @return {Object} The namespace object. (If multiple arguments are passed, this will be the last namespace created) - * @method ns - */ - Ext.ns = Ext.namespace; -})(); - -Ext.ns("Ext", "Ext.util", "Ext.lib", "Ext.data"); - - -/** - * @class Function - * These functions are available on every Function object (any JavaScript function). - */ -Ext.apply(Function.prototype, { - /** - * Creates an interceptor function. The passed function is called before the original one. If it returns false, - * the original one is not called. The resulting function returns the results of the original function. - * The passed function is called with the parameters of the original function. Example usage: - *-Ext.namespace('Company', 'Company.data'); -Ext.namespace('Company.data'); // equivalent and preferable to above syntax -Company.Widget = function() { ... } -Company.data.CustomStore = function(config) { ... } -- * @param {Function} fcn The function to call before the original - * @param {Object} scope (optional) The scope (-var sayHi = function(name){ - alert('Hi, ' + name); -} - -sayHi('Fred'); // alerts "Hi, Fred" - -// create a new function that validates input without -// directly modifying the original function: -var sayHiToFriend = sayHi.createInterceptor(function(name){ - return name == 'Brian'; -}); - -sayHiToFriend('Fred'); // no alert -sayHiToFriend('Brian'); // alerts "Hi, Brian" -thisreference) in which the passed function is executed. - * If omitted, defaults to the scope in which the original function is called or the browser window. - * @return {Function} The new function - */ - createInterceptor : function(fcn, scope){ - var method = this; - return !Ext.isFunction(fcn) ? - this : - function() { - var me = this, - args = arguments; - fcn.target = me; - fcn.method = method; - return (fcn.apply(scope || me || window, args) !== false) ? - method.apply(me || window, args) : - null; - }; - }, - - /** - * Creates a callback that passes arguments[0], arguments[1], arguments[2], ... - * Call directly on any function. Example:myFunction.createCallback(arg1, arg2)- * Will create a function that is bound to those 2 args. If a specific scope is required in the - * callback, use {@link #createDelegate} instead. The function returned by createCallback always - * executes in the window scope. - *This method is required when you want to pass arguments to a callback function. If no arguments - * are needed, you can simply pass a reference to the function as a callback (e.g., callback: myFn). - * However, if you tried to pass a function with arguments (e.g., callback: myFn(arg1, arg2)) the function - * would simply execute immediately when the code is parsed. Example usage: - *
- * @return {Function} The new function - */ - createCallback : function(/*args...*/){ - // make args available, in function below - var args = arguments, - method = this; - return function() { - return method.apply(window, args); - }; - }, - - /** - * Creates a delegate (callback) that sets the scope to obj. - * Call directly on any function. Example:-var sayHi = function(name){ - alert('Hi, ' + name); -} - -// clicking the button alerts "Hi, Fred" -new Ext.Button({ - text: 'Say Hi', - renderTo: Ext.getBody(), - handler: sayHi.createCallback('Fred') -}); -this.myFunction.createDelegate(this, [arg1, arg2])- * Will create a function that is automatically scoped to obj so that the this variable inside the - * callback points to obj. Example usage: - *- * @param {Object} scope (optional) The scope (-var sayHi = function(name){ - // Note this use of "this.text" here. This function expects to - // execute within a scope that contains a text property. In this - // example, the "this" variable is pointing to the btn object that - // was passed in createDelegate below. - alert('Hi, ' + name + '. You clicked the "' + this.text + '" button.'); -} - -var btn = new Ext.Button({ - text: 'Say Hi', - renderTo: Ext.getBody() -}); - -// This callback will execute in the scope of the -// button instance. Clicking the button alerts -// "Hi, Fred. You clicked the "Say Hi" button." -btn.on('click', sayHi.createDelegate(btn, ['Fred'])); -thisreference) in which the function is executed. - * If omitted, defaults to the browser window. - * @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller) - * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding, - * if a number the args are inserted at the specified position - * @return {Function} The new function - */ - createDelegate : function(obj, args, appendArgs){ - var method = this; - return function() { - var callArgs = args || arguments; - if (appendArgs === true){ - callArgs = Array.prototype.slice.call(arguments, 0); - callArgs = callArgs.concat(args); - }else if (Ext.isNumber(appendArgs)){ - callArgs = Array.prototype.slice.call(arguments, 0); // copy arguments first - var applyArgs = [appendArgs, 0].concat(args); // create method call params - Array.prototype.splice.apply(callArgs, applyArgs); // splice them in - } - return method.apply(obj || window, callArgs); - }; - }, - - /** - * Calls this function after the number of millseconds specified, optionally in a specific scope. Example usage: - *- * @param {Number} millis The number of milliseconds for the setTimeout call (if less than or equal to 0 the function is executed immediately) - * @param {Object} scope (optional) The scope (-var sayHi = function(name){ - alert('Hi, ' + name); -} - -// executes immediately: -sayHi('Fred'); - -// executes after 2 seconds: -sayHi.defer(2000, this, ['Fred']); - -// this syntax is sometimes useful for deferring -// execution of an anonymous function: -(function(){ - alert('Anonymous'); -}).defer(100); -thisreference) in which the function is executed. - * If omitted, defaults to the browser window. - * @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller) - * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding, - * if a number the args are inserted at the specified position - * @return {Number} The timeout id that can be used with clearTimeout - */ - defer : function(millis, obj, args, appendArgs){ - var fn = this.createDelegate(obj, args, appendArgs); - if(millis > 0){ - return setTimeout(fn, millis); - } - fn(); - return 0; - } -}); - -/** - * @class String - * These functions are available on every String object. - */ -Ext.applyIf(String, { - /** - * Allows you to define a tokenized string and pass an arbitrary number of arguments to replace the tokens. Each - * token must be unique, and must increment in the format {0}, {1}, etc. Example usage: - *- * @param {String} string The tokenized string to be formatted - * @param {String} value1 The value to replace token {0} - * @param {String} value2 Etc... - * @return {String} The formatted string - * @static - */ - format : function(format){ - var args = Ext.toArray(arguments, 1); - return format.replace(/\{(\d+)\}/g, function(m, i){ - return args[i]; - }); - } -}); - -/** - * @class Array - */ -Ext.applyIf(Array.prototype, { - /** - * Checks whether or not the specified object exists in the array. - * @param {Object} o The object to check for - * @param {Number} from (Optional) The index at which to begin the search - * @return {Number} The index of o in the array (or -1 if it is not found) - */ - indexOf : function(o, from){ - var len = this.length; - from = from || 0; - from += (from < 0) ? len : 0; - for (; from < len; ++from){ - if(this[from] === o){ - return from; - } - } - return -1; - }, - - /** - * Removes the specified object from the array. If the object is not found nothing happens. - * @param {Object} o The object to remove - * @return {Array} this array - */ - remove : function(o){ - var index = this.indexOf(o); - if(index != -1){ - this.splice(index, 1); - } - return this; - } -}); --var cls = 'my-class', text = 'Some text'; -var s = String.format('<div class="{0}">{1}</div>', cls, text); -// s now contains the string: '<div class="my-class">Some text</div>' - *Extends one class to create a subclass and optionally overrides members with the passed literal. This method + * also adds the function "override()" to the subclass that can be used to override members of the class.
+ * For example, to create a subclass of Ext GridPanel: + *+ * + *+MyGridPanel = Ext.extend(Ext.grid.GridPanel, { + constructor: function(config) { + +// Create configuration for this Grid. + var store = new Ext.data.Store({...}); + var colModel = new Ext.grid.ColumnModel({...}); + +// Create a new config object containing our computed properties +// *plus* whatever was in the config parameter. + config = Ext.apply({ + store: store, + colModel: colModel + }, config); + + MyGridPanel.superclass.constructor.call(this, config); + +// Your postprocessing here + }, + + yourMethod: function() { + // etc. + } +}); +This function also supports a 3-argument call in which the subclass's constructor is + * passed as an argument. In this form, the parameters are as follows:
+ *+ * + * @param {Function} superclass The constructor of class being extended. + * @param {Object} overrides+ *
- + *
subclass: FunctionThe subclass constructor.- + *
superclass: FunctionThe constructor of class being extended- + *
overrides: ObjectA literal with members which are copied into the subclass's + * prototype, and are therefore shared among all instances of the new class.A literal with members which are copied into the subclass's + * prototype, and are therefore shared between all instances of the new class.
+ *This may contain a special member named constructor. This is used + * to define the constructor of the new class, and is returned. If this property is + * not specified, a constructor is generated and returned which just calls the + * superclass's constructor passing on its parameters.
+ *It is essential that you call the superclass constructor in any provided constructor. See example code.
+ * @return {Function} The subclass constructor from theoverridesparameter, or a generated one if not provided. + */ + extend : function(){ + // inline overrides + var io = function(o){ + for(var m in o){ + this[m] = o[m]; + } + }; + var oc = Object.prototype.constructor; + + return function(sb, sp, overrides){ + if(Ext.isObject(sp)){ + overrides = sp; + sp = sb; + sb = overrides.constructor != oc ? overrides.constructor : function(){sp.apply(this, arguments);}; + } + var F = function(){}, + sbp, + spp = sp.prototype; + + F.prototype = spp; + sbp = sb.prototype = new F(); + sbp.constructor=sb; + sb.superclass=spp; + if(spp.constructor == oc){ + spp.constructor=sp; + } + sb.override = function(o){ + Ext.override(sb, o); + }; + sbp.superclass = sbp.supr = (function(){ + return spp; + }); + sbp.override = io; + Ext.override(sb, overrides); + sb.extend = function(o){return Ext.extend(sb, o);}; + return sb; + }; + }(), + + /** + * Adds a list of functions to the prototype of an existing class, overwriting any existing methods with the same name. + * Usage:+ * @param {Object} origclass The class to override + * @param {Object} overrides The list of functions to add to origClass. This should be specified as an object literal + * containing one or more methods. + * @method override + */ + override : function(origclass, overrides){ + if(overrides){ + var p = origclass.prototype; + Ext.apply(p, overrides); + if(Ext.isIE && overrides.hasOwnProperty('toString')){ + p.toString = overrides.toString; + } + } + }, + + /** + * Creates namespaces to be used for scoping variables and classes so that they are not global. + * Specifying the last node of a namespace implicitly creates all other nodes. Usage: + *+Ext.override(MyClass, { + newMethod1: function(){ + // etc. + }, + newMethod2: function(foo){ + // etc. + } +}); ++ * @param {String} namespace1 + * @param {String} namespace2 + * @param {String} etc + * @return {Object} The namespace object. (If multiple arguments are passed, this will be the last namespace created) + * @method namespace + */ + namespace : function(){ + var o, d; + Ext.each(arguments, function(v) { + d = v.split("."); + o = window[d[0]] = window[d[0]] || {}; + Ext.each(d.slice(1), function(v2){ + o = o[v2] = o[v2] || {}; + }); + }); + return o; + }, + + /** + * 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. + * @param {Object} o + * @param {String} pre (optional) A prefix to add to the url encoded string + * @return {String} + */ + urlEncode : function(o, pre){ + var empty, + buf = [], + e = encodeURIComponent; + + Ext.iterate(o, function(key, item){ + empty = Ext.isEmpty(item); + Ext.each(empty ? key : item, function(val){ + buf.push('&', e(key), '=', (!Ext.isEmpty(val) && (val != key || !empty)) ? (Ext.isDate(val) ? Ext.encode(val).replace(/"/g, '') : e(val)) : ''); + }); + }); + if(!pre){ + buf.shift(); + pre = ''; + } + return pre + buf.join(''); + }, + + /** + * Takes an encoded URL and and converts it to an object. Example:+Ext.namespace('Company', 'Company.data'); +Ext.namespace('Company.data'); // equivalent and preferable to above syntax +Company.Widget = function() { ... } +Company.data.CustomStore = function(config) { ... } ++ * @param {String} string + * @param {Boolean} overwrite (optional) Items of the same name will overwrite previous values instead of creating an an array (Defaults to false). + * @return {Object} A literal with members + */ + urlDecode : function(string, overwrite){ + if(Ext.isEmpty(string)){ + return {}; + } + var obj = {}, + pairs = string.split('&'), + d = decodeURIComponent, + name, + value; + Ext.each(pairs, function(pair) { + pair = pair.split('='); + name = d(pair[0]); + value = d(pair[1]); + obj[name] = overwrite || !obj[name] ? value : + [].concat(obj[name]).concat(value); + }); + return obj; + }, + + /** + * Appends content to the query string of a URL, handling logic for whether to place + * a question mark or ampersand. + * @param {String} url The URL to append to. + * @param {String} s The content to append to the URL. + * @return (String) The resulting URL + */ + urlAppend : function(url, s){ + if(!Ext.isEmpty(s)){ + return url + (url.indexOf('?') === -1 ? '?' : '&') + s; + } + return url; + }, + + /** + * Converts any iterable (numeric indices and a length property) into a true array + * Don't use this on strings. IE doesn't support "abc"[0] which this implementation depends on. + * For strings, use this instead: "abc".match(/./g) => [a,b,c]; + * @param {Iterable} the iterable object to be turned into a true Array. + * @return (Array) array + */ + toArray : function(){ + return isIE ? + function(a, i, j, res){ + res = []; + for(var x = 0, len = a.length; x < len; x++) { + res.push(a[x]); + } + return res.slice(i || 0, j || res.length); + } : + function(a, i, j){ + return Array.prototype.slice.call(a, i || 0, j || a.length); + } + }(), + + isIterable : function(v){ + //check for array or arguments + if(Ext.isArray(v) || v.callee){ + return true; + } + //check for node list type + if(/NodeList|HTMLCollection/.test(toString.call(v))){ + return true; + } + //NodeList has an item and length property + //IXMLDOMNodeList has nextNode method, needs to be checked first. + return ((v.nextNode || v.item) && Ext.isNumber(v.length)); + }, + + /** + * Iterates an array calling the supplied function. + * @param {Array/NodeList/Mixed} array The array to be iterated. If this + * argument is not really an array, the supplied function is called once. + * @param {Function} fn The function to be called with each item. If the + * supplied function returns false, iteration stops and this method returns + * the current+Ext.urlDecode("foo=1&bar=2"); // returns {foo: "1", bar: "2"} +Ext.urlDecode("foo=1&bar=2&bar=3&bar=4", false); // returns {foo: "1", bar: ["2", "3", "4"]} +index. This function is called with + * the following arguments: + *+ * @param {Object} scope The scope (+ *
- + *
item: Mixed + *The item at the currentindex+ * in the passedarray- + *
index: Number + *The current index within the array- + *
allItems: Array + *Thearraypassed as the first + * argument toExt.each.thisreference) in which the specified function is executed. + * Defaults to theitemat the currentindex+ * within the passedarray. + * @return See description for the fn parameter. + */ + each : function(array, fn, scope){ + if(Ext.isEmpty(array, true)){ + return; + } + if(!Ext.isIterable(array) || Ext.isPrimitive(array)){ + array = [array]; + } + for(var i = 0, len = array.length; i < len; i++){ + if(fn.call(scope || array[i], array[i], i, array) === false){ + return i; + }; + } + }, + + /** + * Iterates either the elements in an array, or each of the properties in an object. + * Note: If you are only iterating arrays, it is better to call {@link #each}. + * @param {Object/Array} object The object or array to be iterated + * @param {Function} fn The function to be called for each iteration. + * The iteration will stop if the supplied function returns false, or + * all array elements / object properties have been covered. The signature + * varies depending on the type of object being interated: + *+ * @param {Object} scope The scope (+ *
- Arrays : (Object item, Number index, Array allItems) + *
+ *+ * When iterating an array, the supplied function is called with each item.- Objects : (String key, Object value, Object) + *
+ *+ * When iterating an object, the supplied function is called with each key-value pair in + * the object, and the iterated objectthisreference) in which the specified function is executed. Defaults to + * theobjectbeing iterated. + */ + iterate : function(obj, fn, scope){ + if(Ext.isEmpty(obj)){ + return; + } + if(Ext.isIterable(obj)){ + Ext.each(obj, fn, scope); + return; + }else if(Ext.isObject(obj)){ + for(var prop in obj){ + if(obj.hasOwnProperty(prop)){ + if(fn.call(scope || obj, prop, obj[prop], obj) === false){ + return; + }; + } + } + } + }, + + /** + * Return the dom node for the passed String (id), dom node, or Ext.Element. + * Here are some examples: + *+ * Note: the dom node to be found actually needs to exist (be rendered, etc) + * when this method is called to be successful. + * @param {Mixed} el + * @return HTMLElement + */ + getDom : function(el){ + if(!el || !DOC){ + return null; + } + return el.dom ? el.dom : (Ext.isString(el) ? DOC.getElementById(el) : el); + }, + + /** + * Returns the current document body as an {@link Ext.Element}. + * @return Ext.Element The document body + */ + getBody : function(){ + return Ext.get(DOC.body || DOC.documentElement); + }, + + /** + * Removes a DOM node from the document. + */ + /** + *+// gets dom node based on id +var elDom = Ext.getDom('elId'); +// gets dom node based on the dom node +var elDom1 = Ext.getDom(elDom); + +// If we don't know if we are working with an +// Ext.Element or a dom node use Ext.getDom +function(el){ + var dom = Ext.getDom(el); + // do something with the dom node +} + *Removes this element from the document, removes all DOM event listeners, and deletes the cache reference. + * All DOM event listeners are removed from this element. If {@link Ext#enableNestedListenerRemoval} is + *
+ * @param {HTMLElement} node The node to remove + */ + removeNode : isIE && !isIE8 ? function(){ + var d; + return function(n){ + if(n && n.tagName != 'BODY'){ + (Ext.enableNestedListenerRemoval) ? Ext.EventManager.purgeElement(n, true) : Ext.EventManager.removeAll(n); + d = d || DOC.createElement('div'); + d.appendChild(n); + d.innerHTML = ''; + delete Ext.elCache[n.id]; + } + } + }() : function(n){ + if(n && n.parentNode && n.tagName != 'BODY'){ + (Ext.enableNestedListenerRemoval) ? Ext.EventManager.purgeElement(n, true) : Ext.EventManager.removeAll(n); + n.parentNode.removeChild(n); + delete Ext.elCache[n.id]; + } + }, + + /** + *true, then DOM event listeners are also removed from all child nodes. The body node + * will be ignored if passed in.Returns true if the passed value is empty.
+ *The value is deemed to be empty if it is
+ * @param {Mixed} value The value to test + * @param {Boolean} allowBlank (optional) true to allow empty strings (defaults to false) + * @return {Boolean} + */ + isEmpty : function(v, allowBlank){ + return v === null || v === undefined || ((Ext.isArray(v) && !v.length)) || (!allowBlank ? v === '' : false); + }, + + /** + * Returns true if the passed value is a JavaScript array, otherwise false. + * @param {Mixed} value The value to test + * @return {Boolean} + */ + isArray : function(v){ + return toString.apply(v) === '[object Array]'; + }, + + /** + * 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 toString.apply(v) === '[object Date]'; + }, + + /** + * Returns true if the passed value is a JavaScript Object, otherwise false. + * @param {Mixed} value The value to test + * @return {Boolean} + */ + isObject : function(v){ + return !!v && Object.prototype.toString.call(v) === '[object Object]'; + }, + + /** + * Returns true if the passed value is a JavaScript 'primitive', a string, number or boolean. + * @param {Mixed} value The value to test + * @return {Boolean} + */ + isPrimitive : function(v){ + return Ext.isString(v) || Ext.isNumber(v) || Ext.isBoolean(v); + }, + + /** + * Returns true if the passed value is a JavaScript Function, otherwise false. + * @param {Mixed} value The value to test + * @return {Boolean} + */ + isFunction : function(v){ + return toString.apply(v) === '[object Function]'; + }, + + /** + * Returns true if the passed value is a number. Returns false for non-finite numbers. + * @param {Mixed} value The value to test + * @return {Boolean} + */ + isNumber : function(v){ + return typeof v === 'number' && isFinite(v); + }, + + /** + * Returns true if the passed value is a string. + * @param {Mixed} value The value to test + * @return {Boolean} + */ + isString : function(v){ + return typeof v === 'string'; + }, + + /** + * Returns true if the passed value is a boolean. + * @param {Mixed} value The value to test + * @return {Boolean} + */ + isBoolean : function(v){ + return typeof v === 'boolean'; + }, + + /** + * Returns true if the passed value is an HTMLElement + * @param {Mixed} value The value to test + * @return {Boolean} + */ + isElement : function(v) { + return !!v && v.tagName; + }, + + /** + * Returns true if the passed value is not undefined. + * @param {Mixed} value The value to test + * @return {Boolean} + */ + isDefined : function(v){ + return typeof v !== 'undefined'; + }, + + /** + * True if the detected browser is Opera. + * @type Boolean + */ + isOpera : isOpera, + /** + * True if the detected browser uses WebKit. + * @type Boolean + */ + isWebKit : isWebKit, + /** + * True if the detected browser is Chrome. + * @type Boolean + */ + isChrome : isChrome, + /** + * True if the detected browser is Safari. + * @type Boolean + */ + isSafari : isSafari, + /** + * True if the detected browser is Safari 3.x. + * @type Boolean + */ + isSafari3 : isSafari3, + /** + * True if the detected browser is Safari 4.x. + * @type Boolean + */ + isSafari4 : isSafari4, + /** + * True if the detected browser is Safari 2.x. + * @type Boolean + */ + isSafari2 : isSafari2, + /** + * True if the detected browser is Internet Explorer. + * @type Boolean + */ + isIE : isIE, + /** + * True if the detected browser is Internet Explorer 6.x. + * @type Boolean + */ + isIE6 : isIE6, + /** + * True if the detected browser is Internet Explorer 7.x. + * @type Boolean + */ + isIE7 : isIE7, + /** + * True if the detected browser is Internet Explorer 8.x. + * @type Boolean + */ + isIE8 : isIE8, + /** + * True if the detected browser uses the Gecko layout engine (e.g. Mozilla, Firefox). + * @type Boolean + */ + isGecko : isGecko, + /** + * True if the detected browser uses a pre-Gecko 1.9 layout engine (e.g. Firefox 2.x). + * @type Boolean + */ + isGecko2 : isGecko2, + /** + * True if the detected browser uses a Gecko 1.9+ layout engine (e.g. Firefox 3.x). + * @type Boolean + */ + isGecko3 : isGecko3, + /** + * True if the detected browser is Internet Explorer running in non-strict mode. + * @type Boolean + */ + isBorderBox : isBorderBox, + /** + * True if the detected platform is Linux. + * @type Boolean + */ + isLinux : isLinux, + /** + * True if the detected platform is Windows. + * @type Boolean + */ + isWindows : isWindows, + /** + * True if the detected platform is Mac OS. + * @type Boolean + */ + isMac : isMac, + /** + * True if the detected platform is Adobe Air. + * @type Boolean + */ + isAir : isAir + }); + + /** + * Creates namespaces to be used for scoping variables and classes so that they are not global. + * Specifying the last node of a namespace implicitly creates all other nodes. Usage: + *+ *
- null
+ *- undefined
+ *- an empty array
+ *- a zero length string (Unless the allowBlank parameter is true)
+ *+ * @param {String} namespace1 + * @param {String} namespace2 + * @param {String} etc + * @return {Object} The namespace object. (If multiple arguments are passed, this will be the last namespace created) + * @method ns + */ + Ext.ns = Ext.namespace; +})(); + +Ext.ns("Ext.util", "Ext.lib", "Ext.data"); + +Ext.elCache = {}; + +/** + * @class Function + * These functions are available on every Function object (any JavaScript function). + */ +Ext.apply(Function.prototype, { + /** + * Creates an interceptor function. The passed function is called before the original one. If it returns false, + * the original one is not called. The resulting function returns the results of the original function. + * The passed function is called with the parameters of the original function. Example usage: + *+Ext.namespace('Company', 'Company.data'); +Ext.namespace('Company.data'); // equivalent and preferable to above syntax +Company.Widget = function() { ... } +Company.data.CustomStore = function(config) { ... } ++ * @param {Function} fcn The function to call before the original + * @param {Object} scope (optional) The scope (+var sayHi = function(name){ + alert('Hi, ' + name); +} + +sayHi('Fred'); // alerts "Hi, Fred" + +// create a new function that validates input without +// directly modifying the original function: +var sayHiToFriend = sayHi.createInterceptor(function(name){ + return name == 'Brian'; +}); + +sayHiToFriend('Fred'); // no alert +sayHiToFriend('Brian'); // alerts "Hi, Brian" +thisreference) in which the passed function is executed. + * If omitted, defaults to the scope in which the original function is called or the browser window. + * @return {Function} The new function + */ + createInterceptor : function(fcn, scope){ + var method = this; + return !Ext.isFunction(fcn) ? + this : + function() { + var me = this, + args = arguments; + fcn.target = me; + fcn.method = method; + return (fcn.apply(scope || me || window, args) !== false) ? + method.apply(me || window, args) : + null; + }; + }, + + /** + * Creates a callback that passes arguments[0], arguments[1], arguments[2], ... + * Call directly on any function. Example:myFunction.createCallback(arg1, arg2)+ * Will create a function that is bound to those 2 args. If a specific scope is required in the + * callback, use {@link #createDelegate} instead. The function returned by createCallback always + * executes in the window scope. + *This method is required when you want to pass arguments to a callback function. If no arguments + * are needed, you can simply pass a reference to the function as a callback (e.g., callback: myFn). + * However, if you tried to pass a function with arguments (e.g., callback: myFn(arg1, arg2)) the function + * would simply execute immediately when the code is parsed. Example usage: + *
+ * @return {Function} The new function + */ + createCallback : function(/*args...*/){ + // make args available, in function below + var args = arguments, + method = this; + return function() { + return method.apply(window, args); + }; + }, + + /** + * Creates a delegate (callback) that sets the scope to obj. + * Call directly on any function. Example:+var sayHi = function(name){ + alert('Hi, ' + name); +} + +// clicking the button alerts "Hi, Fred" +new Ext.Button({ + text: 'Say Hi', + renderTo: Ext.getBody(), + handler: sayHi.createCallback('Fred') +}); +this.myFunction.createDelegate(this, [arg1, arg2])+ * Will create a function that is automatically scoped to obj so that the this variable inside the + * callback points to obj. Example usage: + *+ * @param {Object} scope (optional) The scope (+var sayHi = function(name){ + // Note this use of "this.text" here. This function expects to + // execute within a scope that contains a text property. In this + // example, the "this" variable is pointing to the btn object that + // was passed in createDelegate below. + alert('Hi, ' + name + '. You clicked the "' + this.text + '" button.'); +} + +var btn = new Ext.Button({ + text: 'Say Hi', + renderTo: Ext.getBody() +}); + +// This callback will execute in the scope of the +// button instance. Clicking the button alerts +// "Hi, Fred. You clicked the "Say Hi" button." +btn.on('click', sayHi.createDelegate(btn, ['Fred'])); +thisreference) in which the function is executed. + * If omitted, defaults to the browser window. + * @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller) + * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding, + * if a number the args are inserted at the specified position + * @return {Function} The new function + */ + createDelegate : function(obj, args, appendArgs){ + var method = this; + return function() { + var callArgs = args || arguments; + if (appendArgs === true){ + callArgs = Array.prototype.slice.call(arguments, 0); + callArgs = callArgs.concat(args); + }else if (Ext.isNumber(appendArgs)){ + callArgs = Array.prototype.slice.call(arguments, 0); // copy arguments first + var applyArgs = [appendArgs, 0].concat(args); // create method call params + Array.prototype.splice.apply(callArgs, applyArgs); // splice them in + } + return method.apply(obj || window, callArgs); + }; + }, + + /** + * Calls this function after the number of millseconds specified, optionally in a specific scope. Example usage: + *+ * @param {Number} millis The number of milliseconds for the setTimeout call (if less than or equal to 0 the function is executed immediately) + * @param {Object} scope (optional) The scope (+var sayHi = function(name){ + alert('Hi, ' + name); +} + +// executes immediately: +sayHi('Fred'); + +// executes after 2 seconds: +sayHi.defer(2000, this, ['Fred']); + +// this syntax is sometimes useful for deferring +// execution of an anonymous function: +(function(){ + alert('Anonymous'); +}).defer(100); +thisreference) in which the function is executed. + * If omitted, defaults to the browser window. + * @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller) + * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding, + * if a number the args are inserted at the specified position + * @return {Number} The timeout id that can be used with clearTimeout + */ + defer : function(millis, obj, args, appendArgs){ + var fn = this.createDelegate(obj, args, appendArgs); + if(millis > 0){ + return setTimeout(fn, millis); + } + fn(); + return 0; + } +}); + +/** + * @class String + * These functions are available on every String object. + */ +Ext.applyIf(String, { + /** + * Allows you to define a tokenized string and pass an arbitrary number of arguments to replace the tokens. Each + * token must be unique, and must increment in the format {0}, {1}, etc. Example usage: + *+ * @param {String} string The tokenized string to be formatted + * @param {String} value1 The value to replace token {0} + * @param {String} value2 Etc... + * @return {String} The formatted string + * @static + */ + format : function(format){ + var args = Ext.toArray(arguments, 1); + return format.replace(/\{(\d+)\}/g, function(m, i){ + return args[i]; + }); + } +}); + +/** + * @class Array + */ +Ext.applyIf(Array.prototype, { + /** + * Checks whether or not the specified object exists in the array. + * @param {Object} o The object to check for + * @param {Number} from (Optional) The index at which to begin the search + * @return {Number} The index of o in the array (or -1 if it is not found) + */ + indexOf : function(o, from){ + var len = this.length; + from = from || 0; + from += (from < 0) ? len : 0; + for (; from < len; ++from){ + if(this[from] === o){ + return from; + } + } + return -1; + }, + + /** + * Removes the specified object from the array. If the object is not found nothing happens. + * @param {Object} o The object to remove + * @return {Array} this array + */ + remove : function(o){ + var index = this.indexOf(o); + if(index != -1){ + this.splice(index, 1); + } + return this; + } +}); ++var cls = 'my-class', text = 'Some text'; +var s = String.format('<div class="{0}">{1}</div>', cls, text); +// s now contains the string: '<div class="my-class">Some text</div>' + *