3 * Copyright(c) 2006-2010 Ext JS, Inc.
5 * http://www.extjs.com/license
9 window.undefined = window.undefined;
13 * Ext core utilities and functions.
19 * The version of the framework
26 * Copies all the properties of config to obj.
27 * @param {Object} obj The receiver of the properties
28 * @param {Object} config The source of the properties
29 * @param {Object} defaults A different object that will also be applied for default values
30 * @return {Object} returns obj
33 Ext.apply = function(o, c, defaults){
34 // no "this" reference for friendly out of scope calls
36 Ext.apply(o, defaults);
38 if(o && c && typeof c == 'object'){
48 toString = Object.prototype.toString,
49 ua = navigator.userAgent.toLowerCase(),
54 isStrict = DOC.compatMode == "CSS1Compat",
55 isOpera = check(/opera/),
56 isChrome = check(/\bchrome\b/),
57 isWebKit = check(/webkit/),
58 isSafari = !isChrome && check(/safari/),
59 isSafari2 = isSafari && check(/applewebkit\/4/), // unique to Safari 2
60 isSafari3 = isSafari && check(/version\/3/),
61 isSafari4 = isSafari && check(/version\/4/),
62 isIE = !isOpera && check(/msie/),
63 isIE7 = isIE && check(/msie 7/),
64 isIE8 = isIE && check(/msie 8/),
65 isIE6 = isIE && !isIE7 && !isIE8,
66 isGecko = !isWebKit && check(/gecko/),
67 isGecko2 = isGecko && check(/rv:1\.8/),
68 isGecko3 = isGecko && check(/rv:1\.9/),
69 isBorderBox = isIE && !isStrict,
70 isWindows = check(/windows|win32/),
71 isMac = check(/macintosh|mac os x/),
72 isAir = check(/adobeair/),
73 isLinux = check(/linux/),
74 isSecure = /^https/i.test(window.location.protocol);
76 // remove css image flicker
79 DOC.execCommand("BackgroundImageCache", false, true);
85 * URL to a blank file used by Ext when in secure mode for iframe src and onReady src to prevent
86 * the IE insecure content warning (<tt>'about:blank'</tt>, except for IE in secure mode, which is <tt>'javascript:""'</tt>).
89 SSL_SECURE_URL : isSecure && isIE ? 'javascript:""' : 'about:blank',
91 * True if the browser is in strict (standards-compliant) mode, as opposed to quirks mode
96 * True if the page is running over SSL
101 * True when the document is fully initialized and ready for action
107 * True if the {@link Ext.Fx} Class is available
113 * True to automatically uncache orphaned Ext.Elements periodically (defaults to true)
116 enableGarbageCollector : true,
119 * True to automatically purge event listeners during garbageCollection (defaults to false).
122 enableListenerCollection : false,
125 * EXPERIMENTAL - True to cascade listener removal to child elements when an element is removed.
126 * Currently not optimized for performance.
129 enableNestedListenerRemoval : false,
132 * Indicates whether to use native browser parsing for JSON methods.
133 * This option is ignored if the browser does not support native JSON methods.
134 * <b>Note: Native JSON methods will not work with objects that have functions.
135 * Also, property names must be quoted, otherwise the data will not parse.</b> (Defaults to false)
138 USE_NATIVE_JSON : false,
141 * Copies all the properties of config to obj if they don't already exist.
142 * @param {Object} obj The receiver of the properties
143 * @param {Object} config The source of the properties
144 * @return {Object} returns obj
146 applyIf : function(o, c){
149 if(!Ext.isDefined(o[p])){
158 * Generates unique ids. If the element already has an id, it is unchanged
159 * @param {Mixed} el (optional) The element to generate an id for
160 * @param {String} prefix (optional) Id prefix (defaults "ext-gen")
161 * @return {String} The generated Id.
163 id : function(el, prefix){
164 el = Ext.getDom(el, true) || {};
166 el.id = (prefix || "ext-gen") + (++idSeed);
172 * <p>Extends one class to create a subclass and optionally overrides members with the passed literal. This method
173 * also adds the function "override()" to the subclass that can be used to override members of the class.</p>
174 * For example, to create a subclass of Ext GridPanel:
176 MyGridPanel = Ext.extend(Ext.grid.GridPanel, {
177 constructor: function(config) {
179 // Create configuration for this Grid.
180 var store = new Ext.data.Store({...});
181 var colModel = new Ext.grid.ColumnModel({...});
183 // Create a new config object containing our computed properties
184 // *plus* whatever was in the config parameter.
190 MyGridPanel.superclass.constructor.call(this, config);
192 // Your postprocessing here
195 yourMethod: function() {
201 * <p>This function also supports a 3-argument call in which the subclass's constructor is
202 * passed as an argument. In this form, the parameters are as follows:</p>
203 * <div class="mdetail-params"><ul>
204 * <li><code>subclass</code> : Function <div class="sub-desc">The subclass constructor.</div></li>
205 * <li><code>superclass</code> : Function <div class="sub-desc">The constructor of class being extended</div></li>
206 * <li><code>overrides</code> : Object <div class="sub-desc">A literal with members which are copied into the subclass's
207 * prototype, and are therefore shared among all instances of the new class.</div></li>
210 * @param {Function} superclass The constructor of class being extended.
211 * @param {Object} overrides <p>A literal with members which are copied into the subclass's
212 * prototype, and are therefore shared between all instances of the new class.</p>
213 * <p>This may contain a special member named <tt><b>constructor</b></tt>. This is used
214 * to define the constructor of the new class, and is returned. If this property is
215 * <i>not</i> specified, a constructor is generated and returned which just calls the
216 * superclass's constructor passing on its parameters.</p>
217 * <p><b>It is essential that you call the superclass constructor in any provided constructor. See example code.</b></p>
218 * @return {Function} The subclass constructor from the <code>overrides</code> parameter, or a generated one if not provided.
222 var io = function(o){
227 var oc = Object.prototype.constructor;
229 return function(sb, sp, overrides){
230 if(Ext.isObject(sp)){
233 sb = overrides.constructor != oc ? overrides.constructor : function(){sp.apply(this, arguments);};
235 var F = function(){},
240 sbp = sb.prototype = new F();
243 if(spp.constructor == oc){
246 sb.override = function(o){
249 sbp.superclass = sbp.supr = (function(){
253 Ext.override(sb, overrides);
254 sb.extend = function(o){return Ext.extend(sb, o);};
260 * Adds a list of functions to the prototype of an existing class, overwriting any existing methods with the same name.
262 Ext.override(MyClass, {
263 newMethod1: function(){
266 newMethod2: function(foo){
271 * @param {Object} origclass The class to override
272 * @param {Object} overrides The list of functions to add to origClass. This should be specified as an object literal
273 * containing one or more methods.
276 override : function(origclass, overrides){
278 var p = origclass.prototype;
279 Ext.apply(p, overrides);
280 if(Ext.isIE && overrides.hasOwnProperty('toString')){
281 p.toString = overrides.toString;
287 * Creates namespaces to be used for scoping variables and classes so that they are not global.
288 * Specifying the last node of a namespace implicitly creates all other nodes. Usage:
290 Ext.namespace('Company', 'Company.data');
291 Ext.namespace('Company.data'); // equivalent and preferable to above syntax
292 Company.Widget = function() { ... }
293 Company.data.CustomStore = function(config) { ... }
295 * @param {String} namespace1
296 * @param {String} namespace2
297 * @param {String} etc
298 * @return {Object} The namespace object. (If multiple arguments are passed, this will be the last namespace created)
301 namespace : function(){
303 Ext.each(arguments, function(v) {
305 o = window[d[0]] = window[d[0]] || {};
306 Ext.each(d.slice(1), function(v2){
307 o = o[v2] = o[v2] || {};
314 * 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.
316 * @param {String} pre (optional) A prefix to add to the url encoded string
319 urlEncode : function(o, pre){
322 e = encodeURIComponent;
324 Ext.iterate(o, function(key, item){
325 empty = Ext.isEmpty(item);
326 Ext.each(empty ? key : item, function(val){
327 buf.push('&', e(key), '=', (!Ext.isEmpty(val) && (val != key || !empty)) ? (Ext.isDate(val) ? Ext.encode(val).replace(/"/g, '') : e(val)) : '');
334 return pre + buf.join('');
338 * Takes an encoded URL and and converts it to an object. Example: <pre><code>
339 Ext.urlDecode("foo=1&bar=2"); // returns {foo: "1", bar: "2"}
340 Ext.urlDecode("foo=1&bar=2&bar=3&bar=4", false); // returns {foo: "1", bar: ["2", "3", "4"]}
342 * @param {String} string
343 * @param {Boolean} overwrite (optional) Items of the same name will overwrite previous values instead of creating an an array (Defaults to false).
344 * @return {Object} A literal with members
346 urlDecode : function(string, overwrite){
347 if(Ext.isEmpty(string)){
351 pairs = string.split('&'),
352 d = decodeURIComponent,
355 Ext.each(pairs, function(pair) {
356 pair = pair.split('=');
359 obj[name] = overwrite || !obj[name] ? value :
360 [].concat(obj[name]).concat(value);
366 * Appends content to the query string of a URL, handling logic for whether to place
367 * a question mark or ampersand.
368 * @param {String} url The URL to append to.
369 * @param {String} s The content to append to the URL.
370 * @return (String) The resulting URL
372 urlAppend : function(url, s){
374 return url + (url.indexOf('?') === -1 ? '?' : '&') + s;
380 * Converts any iterable (numeric indices and a length property) into a true array
381 * Don't use this on strings. IE doesn't support "abc"[0] which this implementation depends on.
382 * For strings, use this instead: "abc".match(/./g) => [a,b,c];
383 * @param {Iterable} the iterable object to be turned into a true Array.
384 * @return (Array) array
386 toArray : function(){
388 function(a, i, j, res){
390 for(var x = 0, len = a.length; x < len; x++) {
393 return res.slice(i || 0, j || res.length);
396 return Array.prototype.slice.call(a, i || 0, j || a.length);
400 isIterable : function(v){
401 //check for array or arguments
402 if(Ext.isArray(v) || v.callee){
405 //check for node list type
406 if(/NodeList|HTMLCollection/.test(toString.call(v))){
409 //NodeList has an item and length property
410 //IXMLDOMNodeList has nextNode method, needs to be checked first.
411 return ((typeof v.nextNode != 'undefined' || v.item) && Ext.isNumber(v.length));
415 * Iterates an array calling the supplied function.
416 * @param {Array/NodeList/Mixed} array The array to be iterated. If this
417 * argument is not really an array, the supplied function is called once.
418 * @param {Function} fn The function to be called with each item. If the
419 * supplied function returns false, iteration stops and this method returns
420 * the current <code>index</code>. This function is called with
421 * the following arguments:
422 * <div class="mdetail-params"><ul>
423 * <li><code>item</code> : <i>Mixed</i>
424 * <div class="sub-desc">The item at the current <code>index</code>
425 * in the passed <code>array</code></div></li>
426 * <li><code>index</code> : <i>Number</i>
427 * <div class="sub-desc">The current index within the array</div></li>
428 * <li><code>allItems</code> : <i>Array</i>
429 * <div class="sub-desc">The <code>array</code> passed as the first
430 * argument to <code>Ext.each</code>.</div></li>
432 * @param {Object} scope The scope (<code>this</code> reference) in which the specified function is executed.
433 * Defaults to the <code>item</code> at the current <code>index</code>
434 * within the passed <code>array</code>.
435 * @return See description for the fn parameter.
437 each : function(array, fn, scope){
438 if(Ext.isEmpty(array, true)){
441 if(!Ext.isIterable(array) || Ext.isPrimitive(array)){
444 for(var i = 0, len = array.length; i < len; i++){
445 if(fn.call(scope || array[i], array[i], i, array) === false){
452 * Iterates either the elements in an array, or each of the properties in an object.
453 * <b>Note</b>: If you are only iterating arrays, it is better to call {@link #each}.
454 * @param {Object/Array} object The object or array to be iterated
455 * @param {Function} fn The function to be called for each iteration.
456 * The iteration will stop if the supplied function returns false, or
457 * all array elements / object properties have been covered. The signature
458 * varies depending on the type of object being interated:
459 * <div class="mdetail-params"><ul>
460 * <li>Arrays : <tt>(Object item, Number index, Array allItems)</tt>
461 * <div class="sub-desc">
462 * When iterating an array, the supplied function is called with each item.</div></li>
463 * <li>Objects : <tt>(String key, Object value, Object)</tt>
464 * <div class="sub-desc">
465 * When iterating an object, the supplied function is called with each key-value pair in
466 * the object, and the iterated object</div></li>
468 * @param {Object} scope The scope (<code>this</code> reference) in which the specified function is executed. Defaults to
469 * the <code>object</code> being iterated.
471 iterate : function(obj, fn, scope){
472 if(Ext.isEmpty(obj)){
475 if(Ext.isIterable(obj)){
476 Ext.each(obj, fn, scope);
478 }else if(Ext.isObject(obj)){
479 for(var prop in obj){
480 if(obj.hasOwnProperty(prop)){
481 if(fn.call(scope || obj, prop, obj[prop], obj) === false){
490 * Return the dom node for the passed String (id), dom node, or Ext.Element.
491 * Optional 'strict' flag is needed for IE since it can return 'name' and
492 * 'id' elements by using getElementById.
493 * Here are some examples:
495 // gets dom node based on id
496 var elDom = Ext.getDom('elId');
497 // gets dom node based on the dom node
498 var elDom1 = Ext.getDom(elDom);
500 // If we don't know if we are working with an
501 // Ext.Element or a dom node use Ext.getDom
503 var dom = Ext.getDom(el);
504 // do something with the dom node
507 * <b>Note</b>: the dom node to be found actually needs to exist (be rendered, etc)
508 * when this method is called to be successful.
510 * @return HTMLElement
512 getDom : function(el, strict){
519 if (Ext.isString(el)) {
520 var e = DOC.getElementById(el);
521 // IE returns elements with the 'name' and 'id' attribute.
522 // we do a strict check to return the element with only the id attribute
523 if (e && isIE && strict) {
524 if (el == e.getAttribute('id')) {
538 * Returns the current document body as an {@link Ext.Element}.
539 * @return Ext.Element The document body
541 getBody : function(){
542 return Ext.get(DOC.body || DOC.documentElement);
546 * Removes a DOM node from the document.
549 * <p>Removes this element from the document, removes all DOM event listeners, and deletes the cache reference.
550 * All DOM event listeners are removed from this element. If {@link Ext#enableNestedListenerRemoval} is
551 * <code>true</code>, then DOM event listeners are also removed from all child nodes. The body node
552 * will be ignored if passed in.</p>
553 * @param {HTMLElement} node The node to remove
555 removeNode : isIE && !isIE8 ? function(){
558 if(n && n.tagName != 'BODY'){
559 (Ext.enableNestedListenerRemoval) ? Ext.EventManager.purgeElement(n, true) : Ext.EventManager.removeAll(n);
560 d = d || DOC.createElement('div');
563 delete Ext.elCache[n.id];
567 if(n && n.parentNode && n.tagName != 'BODY'){
568 (Ext.enableNestedListenerRemoval) ? Ext.EventManager.purgeElement(n, true) : Ext.EventManager.removeAll(n);
569 n.parentNode.removeChild(n);
570 delete Ext.elCache[n.id];
575 * <p>Returns true if the passed value is empty.</p>
576 * <p>The value is deemed to be empty if it is<div class="mdetail-params"><ul>
579 * <li>an empty array</li>
580 * <li>a zero length string (Unless the <tt>allowBlank</tt> parameter is <tt>true</tt>)</li>
582 * @param {Mixed} value The value to test
583 * @param {Boolean} allowBlank (optional) true to allow empty strings (defaults to false)
586 isEmpty : function(v, allowBlank){
587 return v === null || v === undefined || ((Ext.isArray(v) && !v.length)) || (!allowBlank ? v === '' : false);
591 * Returns true if the passed value is a JavaScript array, otherwise false.
592 * @param {Mixed} value The value to test
595 isArray : function(v){
596 return toString.apply(v) === '[object Array]';
600 * Returns true if the passed object is a JavaScript date object, otherwise false.
601 * @param {Object} object The object to test
604 isDate : function(v){
605 return toString.apply(v) === '[object Date]';
609 * Returns true if the passed value is a JavaScript Object, otherwise false.
610 * @param {Mixed} value The value to test
613 isObject : function(v){
614 return !!v && Object.prototype.toString.call(v) === '[object Object]';
618 * Returns true if the passed value is a JavaScript 'primitive', a string, number or boolean.
619 * @param {Mixed} value The value to test
622 isPrimitive : function(v){
623 return Ext.isString(v) || Ext.isNumber(v) || Ext.isBoolean(v);
627 * Returns true if the passed value is a JavaScript Function, otherwise false.
628 * @param {Mixed} value The value to test
631 isFunction : function(v){
632 return toString.apply(v) === '[object Function]';
636 * Returns true if the passed value is a number. Returns false for non-finite numbers.
637 * @param {Mixed} value The value to test
640 isNumber : function(v){
641 return typeof v === 'number' && isFinite(v);
645 * Returns true if the passed value is a string.
646 * @param {Mixed} value The value to test
649 isString : function(v){
650 return typeof v === 'string';
654 * Returns true if the passed value is a boolean.
655 * @param {Mixed} value The value to test
658 isBoolean : function(v){
659 return typeof v === 'boolean';
663 * Returns true if the passed value is an HTMLElement
664 * @param {Mixed} value The value to test
667 isElement : function(v) {
668 return v ? !!v.tagName : false;
672 * Returns true if the passed value is not undefined.
673 * @param {Mixed} value The value to test
676 isDefined : function(v){
677 return typeof v !== 'undefined';
681 * True if the detected browser is Opera.
686 * True if the detected browser uses WebKit.
691 * True if the detected browser is Chrome.
696 * True if the detected browser is Safari.
701 * True if the detected browser is Safari 3.x.
704 isSafari3 : isSafari3,
706 * True if the detected browser is Safari 4.x.
709 isSafari4 : isSafari4,
711 * True if the detected browser is Safari 2.x.
714 isSafari2 : isSafari2,
716 * True if the detected browser is Internet Explorer.
721 * True if the detected browser is Internet Explorer 6.x.
726 * True if the detected browser is Internet Explorer 7.x.
731 * True if the detected browser is Internet Explorer 8.x.
736 * True if the detected browser uses the Gecko layout engine (e.g. Mozilla, Firefox).
741 * True if the detected browser uses a pre-Gecko 1.9 layout engine (e.g. Firefox 2.x).
746 * True if the detected browser uses a Gecko 1.9+ layout engine (e.g. Firefox 3.x).
751 * True if the detected browser is Internet Explorer running in non-strict mode.
754 isBorderBox : isBorderBox,
756 * True if the detected platform is Linux.
761 * True if the detected platform is Windows.
764 isWindows : isWindows,
766 * True if the detected platform is Mac OS.
771 * True if the detected platform is Adobe Air.
778 * Creates namespaces to be used for scoping variables and classes so that they are not global.
779 * Specifying the last node of a namespace implicitly creates all other nodes. Usage:
781 Ext.namespace('Company', 'Company.data');
782 Ext.namespace('Company.data'); // equivalent and preferable to above syntax
783 Company.Widget = function() { ... }
784 Company.data.CustomStore = function(config) { ... }
786 * @param {String} namespace1
787 * @param {String} namespace2
788 * @param {String} etc
789 * @return {Object} The namespace object. (If multiple arguments are passed, this will be the last namespace created)
792 Ext.ns = Ext.namespace;
795 Ext.ns("Ext.util", "Ext.lib", "Ext.data");
801 * These functions are available on every Function object (any JavaScript function).
803 Ext.apply(Function.prototype, {
805 * Creates an interceptor function. The passed function is called before the original one. If it returns false,
806 * the original one is not called. The resulting function returns the results of the original function.
807 * The passed function is called with the parameters of the original function. Example usage:
809 var sayHi = function(name){
810 alert('Hi, ' + name);
813 sayHi('Fred'); // alerts "Hi, Fred"
815 // create a new function that validates input without
816 // directly modifying the original function:
817 var sayHiToFriend = sayHi.createInterceptor(function(name){
818 return name == 'Brian';
821 sayHiToFriend('Fred'); // no alert
822 sayHiToFriend('Brian'); // alerts "Hi, Brian"
824 * @param {Function} fcn The function to call before the original
825 * @param {Object} scope (optional) The scope (<code><b>this</b></code> reference) in which the passed function is executed.
826 * <b>If omitted, defaults to the scope in which the original function is called or the browser window.</b>
827 * @return {Function} The new function
829 createInterceptor : function(fcn, scope){
831 return !Ext.isFunction(fcn) ?
838 return (fcn.apply(scope || me || window, args) !== false) ?
839 method.apply(me || window, args) :
845 * Creates a callback that passes arguments[0], arguments[1], arguments[2], ...
846 * Call directly on any function. Example: <code>myFunction.createCallback(arg1, arg2)</code>
847 * Will create a function that is bound to those 2 args. <b>If a specific scope is required in the
848 * callback, use {@link #createDelegate} instead.</b> The function returned by createCallback always
849 * executes in the window scope.
850 * <p>This method is required when you want to pass arguments to a callback function. If no arguments
851 * are needed, you can simply pass a reference to the function as a callback (e.g., callback: myFn).
852 * However, if you tried to pass a function with arguments (e.g., callback: myFn(arg1, arg2)) the function
853 * would simply execute immediately when the code is parsed. Example usage:
855 var sayHi = function(name){
856 alert('Hi, ' + name);
859 // clicking the button alerts "Hi, Fred"
862 renderTo: Ext.getBody(),
863 handler: sayHi.createCallback('Fred')
866 * @return {Function} The new function
868 createCallback : function(/*args...*/){
869 // make args available, in function below
870 var args = arguments,
873 return method.apply(window, args);
878 * Creates a delegate (callback) that sets the scope to obj.
879 * Call directly on any function. Example: <code>this.myFunction.createDelegate(this, [arg1, arg2])</code>
880 * Will create a function that is automatically scoped to obj so that the <tt>this</tt> variable inside the
881 * callback points to obj. Example usage:
883 var sayHi = function(name){
884 // Note this use of "this.text" here. This function expects to
885 // execute within a scope that contains a text property. In this
886 // example, the "this" variable is pointing to the btn object that
887 // was passed in createDelegate below.
888 alert('Hi, ' + name + '. You clicked the "' + this.text + '" button.');
891 var btn = new Ext.Button({
893 renderTo: Ext.getBody()
896 // This callback will execute in the scope of the
897 // button instance. Clicking the button alerts
898 // "Hi, Fred. You clicked the "Say Hi" button."
899 btn.on('click', sayHi.createDelegate(btn, ['Fred']));
901 * @param {Object} scope (optional) The scope (<code><b>this</b></code> reference) in which the function is executed.
902 * <b>If omitted, defaults to the browser window.</b>
903 * @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller)
904 * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding,
905 * if a number the args are inserted at the specified position
906 * @return {Function} The new function
908 createDelegate : function(obj, args, appendArgs){
911 var callArgs = args || arguments;
912 if (appendArgs === true){
913 callArgs = Array.prototype.slice.call(arguments, 0);
914 callArgs = callArgs.concat(args);
915 }else if (Ext.isNumber(appendArgs)){
916 callArgs = Array.prototype.slice.call(arguments, 0); // copy arguments first
917 var applyArgs = [appendArgs, 0].concat(args); // create method call params
918 Array.prototype.splice.apply(callArgs, applyArgs); // splice them in
920 return method.apply(obj || window, callArgs);
925 * Calls this function after the number of millseconds specified, optionally in a specific scope. Example usage:
927 var sayHi = function(name){
928 alert('Hi, ' + name);
931 // executes immediately:
934 // executes after 2 seconds:
935 sayHi.defer(2000, this, ['Fred']);
937 // this syntax is sometimes useful for deferring
938 // execution of an anonymous function:
943 * @param {Number} millis The number of milliseconds for the setTimeout call (if less than or equal to 0 the function is executed immediately)
944 * @param {Object} scope (optional) The scope (<code><b>this</b></code> reference) in which the function is executed.
945 * <b>If omitted, defaults to the browser window.</b>
946 * @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller)
947 * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding,
948 * if a number the args are inserted at the specified position
949 * @return {Number} The timeout id that can be used with clearTimeout
951 defer : function(millis, obj, args, appendArgs){
952 var fn = this.createDelegate(obj, args, appendArgs);
954 return setTimeout(fn, millis);
963 * These functions are available on every String object.
965 Ext.applyIf(String, {
967 * Allows you to define a tokenized string and pass an arbitrary number of arguments to replace the tokens. Each
968 * token must be unique, and must increment in the format {0}, {1}, etc. Example usage:
970 var cls = 'my-class', text = 'Some text';
971 var s = String.format('<div class="{0}">{1}</div>', cls, text);
972 // s now contains the string: '<div class="my-class">Some text</div>'
974 * @param {String} string The tokenized string to be formatted
975 * @param {String} value1 The value to replace token {0}
976 * @param {String} value2 Etc...
977 * @return {String} The formatted string
980 format : function(format){
981 var args = Ext.toArray(arguments, 1);
982 return format.replace(/\{(\d+)\}/g, function(m, i){
991 Ext.applyIf(Array.prototype, {
993 * Checks whether or not the specified object exists in the array.
994 * @param {Object} o The object to check for
995 * @param {Number} from (Optional) The index at which to begin the search
996 * @return {Number} The index of o in the array (or -1 if it is not found)
998 indexOf : function(o, from){
999 var len = this.length;
1001 from += (from < 0) ? len : 0;
1002 for (; from < len; ++from){
1003 if(this[from] === o){
1011 * Removes the specified object from the array. If the object is not found nothing happens.
1012 * @param {Object} o The object to remove
1013 * @return {Array} this array
1015 remove : function(o){
1016 var index = this.indexOf(o);
1018 this.splice(index, 1);