3 <title>The source code</title>
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7 <body onload="prettyPrint();">
8 <pre class="prettyprint lang-js">/*!
10 * Copyright(c) 2006-2009 Ext JS, LLC
12 * http://www.extjs.com/license
16 window.undefined = window.undefined;
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18 <div id="cls-Ext"></div>/**
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20 * Ext core utilities and functions.
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25 <div id="prop-Ext-version"></div>/**
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26 * The version of the framework
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32 <div id="method-Ext-apply"></div>/**
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33 * Copies all the properties of config to obj.
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34 * @param {Object} obj The receiver of the properties
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35 * @param {Object} config The source of the properties
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36 * @param {Object} defaults A different object that will also be applied for default values
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37 * @return {Object} returns obj
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40 Ext.apply = function(o, c, defaults){
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41 // no "this" reference for friendly out of scope calls
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43 Ext.apply(o, defaults);
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45 if(o && c && typeof c == 'object'){
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55 toString = Object.prototype.toString,
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56 ua = navigator.userAgent.toLowerCase(),
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57 check = function(r){
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61 isStrict = DOC.compatMode == "CSS1Compat",
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62 isOpera = check(/opera/),
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63 isChrome = check(/chrome/),
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64 isWebKit = check(/webkit/),
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65 isSafari = !isChrome && check(/safari/),
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66 isSafari2 = isSafari && check(/applewebkit\/4/), // unique to Safari 2
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67 isSafari3 = isSafari && check(/version\/3/),
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68 isSafari4 = isSafari && check(/version\/4/),
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69 isIE = !isOpera && check(/msie/),
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70 isIE7 = isIE && check(/msie 7/),
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71 isIE8 = isIE && check(/msie 8/),
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72 isIE6 = isIE && !isIE7 && !isIE8,
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73 isGecko = !isWebKit && check(/gecko/),
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74 isGecko2 = isGecko && check(/rv:1\.8/),
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75 isGecko3 = isGecko && check(/rv:1\.9/),
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76 isBorderBox = isIE && !isStrict,
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77 isWindows = check(/windows|win32/),
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78 isMac = check(/macintosh|mac os x/),
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79 isAir = check(/adobeair/),
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80 isLinux = check(/linux/),
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81 isSecure = /^https/i.test(window.location.protocol);
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83 // remove css image flicker
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86 DOC.execCommand("BackgroundImageCache", false, true);
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91 <div id="prop-Ext-SSL_SECURE_URL"></div>/**
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92 * URL to a blank file used by Ext when in secure mode for iframe src and onReady src to prevent
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93 * the IE insecure content warning (<tt>'about:blank'</tt>, except for IE in secure mode, which is <tt>'javascript:""'</tt>).
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96 SSL_SECURE_URL : isSecure && isIE ? 'javascript:""' : 'about:blank',
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97 <div id="prop-Ext-isStrict"></div>/**
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98 * True if the browser is in strict (standards-compliant) mode, as opposed to quirks mode
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101 isStrict : isStrict,
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102 <div id="prop-Ext-isSecure"></div>/**
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103 * True if the page is running over SSL
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106 isSecure : isSecure,
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107 <div id="prop-Ext-isReady"></div>/**
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108 * True when the document is fully initialized and ready for action
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113 <div id="prop-Ext-enableFx"></div>/**
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114 * True if the {@link Ext.Fx} Class is available
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116 * @property enableFx
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119 <div id="prop-Ext-enableGarbageCollector"></div>/**
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120 * True to automatically uncache orphaned Ext.Elements periodically (defaults to true)
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123 enableGarbageCollector : true,
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125 <div id="prop-Ext-enableListenerCollection"></div>/**
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126 * True to automatically purge event listeners after uncaching an element (defaults to false).
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127 * Note: this only happens if {@link #enableGarbageCollector} is true.
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130 enableListenerCollection : false,
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132 <div id="prop-Ext-USE_NATIVE_JSON"></div>/**
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133 * Indicates whether to use native browser parsing for JSON methods.
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134 * This option is ignored if the browser does not support native JSON methods.
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135 * <b>Note: Native JSON methods will not work with objects that have functions.
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136 * Also, property names must be quoted, otherwise the data will not parse.</b> (Defaults to false)
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139 USE_NATIVE_JSON : false,
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141 <div id="method-Ext-applyIf"></div>/**
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142 * Copies all the properties of config to obj if they don't already exist.
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143 * @param {Object} obj The receiver of the properties
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144 * @param {Object} config The source of the properties
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145 * @return {Object} returns obj
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147 applyIf : function(o, c){
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150 if(!Ext.isDefined(o[p])){
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158 <div id="method-Ext-id"></div>/**
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159 * Generates unique ids. If the element already has an id, it is unchanged
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160 * @param {Mixed} el (optional) The element to generate an id for
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161 * @param {String} prefix (optional) Id prefix (defaults "ext-gen")
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162 * @return {String} The generated Id.
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164 id : function(el, prefix){
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165 return (el = Ext.getDom(el) || {}).id = el.id || (prefix || "ext-gen") + (++idSeed);
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168 <div id="method-Ext-extend"></div>/**
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169 * <p>Extends one class to create a subclass and optionally overrides members with the passed literal. This method
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170 * also adds the function "override()" to the subclass that can be used to override members of the class.</p>
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171 * For example, to create a subclass of Ext GridPanel:
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173 MyGridPanel = Ext.extend(Ext.grid.GridPanel, {
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174 constructor: function(config) {
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176 // Create configuration for this Grid.
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177 var store = new Ext.data.Store({...});
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178 var colModel = new Ext.grid.ColumnModel({...});
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180 // Create a new config object containing our computed properties
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181 // *plus* whatever was in the config parameter.
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182 config = Ext.apply({
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187 MyGridPanel.superclass.constructor.call(this, config);
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189 // Your postprocessing here
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192 yourMethod: function() {
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198 * <p>This function also supports a 3-argument call in which the subclass's constructor is
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199 * passed as an argument. In this form, the parameters are as follows:</p>
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200 * <div class="mdetail-params"><ul>
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201 * <li><code>subclass</code> : Function <div class="sub-desc">The subclass constructor.</div></li>
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202 * <li><code>superclass</code> : Function <div class="sub-desc">The constructor of class being extended</div></li>
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203 * <li><code>overrides</code> : Object <div class="sub-desc">A literal with members which are copied into the subclass's
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204 * prototype, and are therefore shared among all instances of the new class.</div></li>
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207 * @param {Function} subclass The constructor of class being extended.
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208 * @param {Object} overrides <p>A literal with members which are copied into the subclass's
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209 * prototype, and are therefore shared between all instances of the new class.</p>
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210 * <p>This may contain a special member named <tt><b>constructor</b></tt>. This is used
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211 * to define the constructor of the new class, and is returned. If this property is
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212 * <i>not</i> specified, a constructor is generated and returned which just calls the
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213 * superclass's constructor passing on its parameters.</p>
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214 * <p><b>It is essential that you call the superclass constructor in any provided constructor. See example code.</b></p>
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215 * @return {Function} The subclass constructor.
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217 extend : function(){
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218 // inline overrides
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219 var io = function(o){
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224 var oc = Object.prototype.constructor;
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226 return function(sb, sp, overrides){
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227 if(Ext.isObject(sp)){
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230 sb = overrides.constructor != oc ? overrides.constructor : function(){sp.apply(this, arguments);};
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232 var F = function(){},
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234 spp = sp.prototype;
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237 sbp = sb.prototype = new F();
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238 sbp.constructor=sb;
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240 if(spp.constructor == oc){
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241 spp.constructor=sp;
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243 sb.override = function(o){
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244 Ext.override(sb, o);
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246 sbp.superclass = sbp.supr = (function(){
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250 Ext.override(sb, overrides);
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251 sb.extend = function(o){return Ext.extend(sb, o);};
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256 <div id="method-Ext-override"></div>/**
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257 * Adds a list of functions to the prototype of an existing class, overwriting any existing methods with the same name.
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258 * Usage:<pre><code>
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259 Ext.override(MyClass, {
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260 newMethod1: function(){
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263 newMethod2: function(foo){
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268 * @param {Object} origclass The class to override
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269 * @param {Object} overrides The list of functions to add to origClass. This should be specified as an object literal
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270 * containing one or more methods.
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273 override : function(origclass, overrides){
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275 var p = origclass.prototype;
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276 Ext.apply(p, overrides);
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277 if(Ext.isIE && overrides.toString != origclass.toString){
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278 p.toString = overrides.toString;
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283 <div id="method-Ext-namespace"></div>/**
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284 * Creates namespaces to be used for scoping variables and classes so that they are not global.
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285 * Specifying the last node of a namespace implicitly creates all other nodes. Usage:
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287 Ext.namespace('Company', 'Company.data');
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288 Ext.namespace('Company.data'); // equivalent and preferable to above syntax
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289 Company.Widget = function() { ... }
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290 Company.data.CustomStore = function(config) { ... }
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292 * @param {String} namespace1
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293 * @param {String} namespace2
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294 * @param {String} etc
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295 * @return {Object} The namespace object. (If multiple arguments are passed, this will be the last namespace created)
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296 * @method namespace
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298 namespace : function(){
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300 Ext.each(arguments, function(v) {
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302 o = window[d[0]] = window[d[0]] || {};
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303 Ext.each(d.slice(1), function(v2){
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304 o = o[v2] = o[v2] || {};
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310 <div id="method-Ext-urlEncode"></div>/**
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311 * 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.
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312 * @param {Object} o
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313 * @param {String} pre (optional) A prefix to add to the url encoded string
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316 urlEncode : function(o, pre){
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319 e = encodeURIComponent;
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321 Ext.iterate(o, function(key, item){
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322 empty = Ext.isEmpty(item);
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323 Ext.each(empty ? key : item, function(val){
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324 buf.push('&', e(key), '=', (!Ext.isEmpty(val) && (val != key || !empty)) ? (Ext.isDate(val) ? Ext.encode(val).replace(/"/g, '') : e(val)) : '');
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331 return pre + buf.join('');
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334 <div id="method-Ext-urlDecode"></div>/**
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335 * Takes an encoded URL and and converts it to an object. Example: <pre><code>
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336 Ext.urlDecode("foo=1&bar=2"); // returns {foo: "1", bar: "2"}
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337 Ext.urlDecode("foo=1&bar=2&bar=3&bar=4", false); // returns {foo: "1", bar: ["2", "3", "4"]}
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339 * @param {String} string
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340 * @param {Boolean} overwrite (optional) Items of the same name will overwrite previous values instead of creating an an array (Defaults to false).
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341 * @return {Object} A literal with members
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343 urlDecode : function(string, overwrite){
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344 if(Ext.isEmpty(string)){
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348 pairs = string.split('&'),
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349 d = decodeURIComponent,
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352 Ext.each(pairs, function(pair) {
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353 pair = pair.split('=');
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355 value = d(pair[1]);
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356 obj[name] = overwrite || !obj[name] ? value :
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357 [].concat(obj[name]).concat(value);
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362 <div id="method-Ext-urlAppend"></div>/**
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363 * Appends content to the query string of a URL, handling logic for whether to place
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364 * a question mark or ampersand.
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365 * @param {String} url The URL to append to.
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366 * @param {String} s The content to append to the URL.
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367 * @return (String) The resulting URL
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369 urlAppend : function(url, s){
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370 if(!Ext.isEmpty(s)){
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371 return url + (url.indexOf('?') === -1 ? '?' : '&') + s;
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376 <div id="method-Ext-toArray"></div>/**
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377 * Converts any iterable (numeric indices and a length property) into a true array
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378 * Don't use this on strings. IE doesn't support "abc"[0] which this implementation depends on.
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379 * For strings, use this instead: "abc".match(/./g) => [a,b,c];
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380 * @param {Iterable} the iterable object to be turned into a true Array.
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381 * @return (Array) array
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383 toArray : function(){
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385 function(a, i, j, res){
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387 Ext.each(a, function(v) {
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390 return res.slice(i || 0, j || res.length);
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393 return Array.prototype.slice.call(a, i || 0, j || a.length);
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397 isIterable : function(v){
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398 //check for array or arguments
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399 if(Ext.isArray(v) || v.callee){
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402 //check for node list type
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403 if(/NodeList|HTMLCollection/.test(toString.call(v))){
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406 //NodeList has an item and length property
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407 //IXMLDOMNodeList has nextNode method, needs to be checked first.
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408 return ((v.nextNode || v.item) && Ext.isNumber(v.length));
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411 <div id="method-Ext-each"></div>/**
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412 * Iterates an array calling the supplied function.
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413 * @param {Array/NodeList/Mixed} array The array to be iterated. If this
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414 * argument is not really an array, the supplied function is called once.
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415 * @param {Function} fn The function to be called with each item. If the
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416 * supplied function returns false, iteration stops and this method returns
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417 * the current <code>index</code>. This function is called with
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418 * the following arguments:
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419 * <div class="mdetail-params"><ul>
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420 * <li><code>item</code> : <i>Mixed</i>
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421 * <div class="sub-desc">The item at the current <code>index</code>
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422 * in the passed <code>array</code></div></li>
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423 * <li><code>index</code> : <i>Number</i>
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424 * <div class="sub-desc">The current index within the array</div></li>
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425 * <li><code>allItems</code> : <i>Array</i>
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426 * <div class="sub-desc">The <code>array</code> passed as the first
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427 * argument to <code>Ext.each</code>.</div></li>
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429 * @param {Object} scope The scope (<code>this</code> reference) in which the specified function is executed.
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430 * Defaults to the <code>item</code> at the current <code>index</code>
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431 * within the passed <code>array</code>.
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432 * @return See description for the fn parameter.
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434 each : function(array, fn, scope){
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435 if(Ext.isEmpty(array, true)){
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438 if(!Ext.isIterable(array) || Ext.isPrimitive(array)){
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441 for(var i = 0, len = array.length; i < len; i++){
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442 if(fn.call(scope || array[i], array[i], i, array) === false){
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448 <div id="method-Ext-iterate"></div>/**
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449 * Iterates either the elements in an array, or each of the properties in an object.
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450 * <b>Note</b>: If you are only iterating arrays, it is better to call {@link #each}.
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451 * @param {Object/Array} object The object or array to be iterated
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452 * @param {Function} fn The function to be called for each iteration.
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453 * The iteration will stop if the supplied function returns false, or
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454 * all array elements / object properties have been covered. The signature
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455 * varies depending on the type of object being interated:
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456 * <div class="mdetail-params"><ul>
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457 * <li>Arrays : <tt>(Object item, Number index, Array allItems)</tt>
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458 * <div class="sub-desc">
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459 * When iterating an array, the supplied function is called with each item.</div></li>
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460 * <li>Objects : <tt>(String key, Object value)</tt>
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461 * <div class="sub-desc">
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462 * When iterating an object, the supplied function is called with each key-value pair in
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463 * the object.</div></li>
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465 * @param {Object} scope The scope (<code>this</code> reference) in which the specified function is executed. Defaults to
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466 * the <code>object</code> being iterated.
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468 iterate : function(obj, fn, scope){
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469 if(Ext.isEmpty(obj)){
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472 if(Ext.isIterable(obj)){
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473 Ext.each(obj, fn, scope);
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475 }else if(Ext.isObject(obj)){
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476 for(var prop in obj){
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477 if(obj.hasOwnProperty(prop)){
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478 if(fn.call(scope || obj, prop, obj[prop]) === false){
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486 <div id="method-Ext-getDom"></div>/**
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487 * Return the dom node for the passed String (id), dom node, or Ext.Element.
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488 * Here are some examples:
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490 // gets dom node based on id
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491 var elDom = Ext.getDom('elId');
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492 // gets dom node based on the dom node
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493 var elDom1 = Ext.getDom(elDom);
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495 // If we don't know if we are working with an
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496 // Ext.Element or a dom node use Ext.getDom
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498 var dom = Ext.getDom(el);
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499 // do something with the dom node
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502 * <b>Note</b>: the dom node to be found actually needs to exist (be rendered, etc)
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503 * when this method is called to be successful.
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504 * @param {Mixed} el
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505 * @return HTMLElement
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507 getDom : function(el){
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511 return el.dom ? el.dom : (Ext.isString(el) ? DOC.getElementById(el) : el);
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514 <div id="method-Ext-getBody"></div>/**
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515 * Returns the current document body as an {@link Ext.Element}.
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516 * @return Ext.Element The document body
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518 getBody : function(){
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519 return Ext.get(DOC.body || DOC.documentElement);
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522 <div id="method-Ext-removeNode"></div>/**
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523 * Removes a DOM node from the document. The body node will be ignored if passed in.
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524 * @param {HTMLElement} node The node to remove
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526 removeNode : isIE ? function(){
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528 return function(n){
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529 if(n && n.tagName != 'BODY'){
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530 d = d || DOC.createElement('div');
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536 if(n && n.parentNode && n.tagName != 'BODY'){
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537 n.parentNode.removeChild(n);
\r
541 <div id="method-Ext-isEmpty"></div>/**
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542 * <p>Returns true if the passed value is empty.</p>
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543 * <p>The value is deemed to be empty if it is<div class="mdetail-params"><ul>
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545 * <li>undefined</li>
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546 * <li>an empty array</li>
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547 * <li>a zero length string (Unless the <tt>allowBlank</tt> parameter is <tt>true</tt>)</li>
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549 * @param {Mixed} value The value to test
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550 * @param {Boolean} allowBlank (optional) true to allow empty strings (defaults to false)
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551 * @return {Boolean}
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553 isEmpty : function(v, allowBlank){
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554 return v === null || v === undefined || ((Ext.isArray(v) && !v.length)) || (!allowBlank ? v === '' : false);
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557 <div id="method-Ext-isArray"></div>/**
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558 * Returns true if the passed value is a JavaScript array, otherwise false.
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559 * @param {Mixed} value The value to test
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560 * @return {Boolean}
\r
562 isArray : function(v){
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563 return toString.apply(v) === '[object Array]';
\r
566 <div id="method-Ext-isDate"></div>/**
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567 * Returns true if the passed object is a JavaScript date object, otherwise false.
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568 * @param {Object} object The object to test
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569 * @return {Boolean}
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571 isDate : function(v){
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572 return toString.apply(v) === '[object Date]';
\r
575 <div id="method-Ext-isObject"></div>/**
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576 * Returns true if the passed value is a JavaScript Object, otherwise false.
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577 * @param {Mixed} value The value to test
\r
578 * @return {Boolean}
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580 isObject : function(v){
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581 return v && typeof v == "object";
\r
584 <div id="method-Ext-isPrimitive"></div>/**
\r
585 * Returns true if the passed value is a JavaScript 'primitive', a string, number or boolean.
\r
586 * @param {Mixed} value The value to test
\r
587 * @return {Boolean}
\r
589 isPrimitive : function(v){
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590 return Ext.isString(v) || Ext.isNumber(v) || Ext.isBoolean(v);
\r
593 <div id="method-Ext-isFunction"></div>/**
\r
594 * Returns true if the passed value is a JavaScript Function, otherwise false.
\r
595 * @param {Mixed} value The value to test
\r
596 * @return {Boolean}
\r
598 isFunction : function(v){
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599 return toString.apply(v) === '[object Function]';
\r
602 <div id="method-Ext-isNumber"></div>/**
\r
603 * Returns true if the passed value is a number. Returns false for non-finite numbers.
\r
604 * @param {Mixed} value The value to test
\r
605 * @return {Boolean}
\r
607 isNumber : function(v){
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608 return typeof v === 'number' && isFinite(v);
\r
611 <div id="method-Ext-isString"></div>/**
\r
612 * Returns true if the passed value is a string.
\r
613 * @param {Mixed} value The value to test
\r
614 * @return {Boolean}
\r
616 isString : function(v){
\r
617 return typeof v === 'string';
\r
620 <div id="method-Ext-isBoolean"></div>/**
\r
621 * Returns true if the passed value is a boolean.
\r
622 * @param {Mixed} value The value to test
\r
623 * @return {Boolean}
\r
625 isBoolean : function(v){
\r
626 return typeof v === 'boolean';
\r
629 <div id="method-Ext-isDefined"></div>/**
\r
630 * Returns true if the passed value is not undefined.
\r
631 * @param {Mixed} value The value to test
\r
632 * @return {Boolean}
\r
634 isDefined : function(v){
\r
635 return typeof v !== 'undefined';
\r
638 <div id="prop-Ext-isOpera"></div>/**
\r
639 * True if the detected browser is Opera.
\r
643 <div id="prop-Ext-isWebKit"></div>/**
\r
644 * True if the detected browser uses WebKit.
\r
647 isWebKit : isWebKit,
\r
648 <div id="prop-Ext-isChrome"></div>/**
\r
649 * True if the detected browser is Chrome.
\r
652 isChrome : isChrome,
\r
653 <div id="prop-Ext-isSafari"></div>/**
\r
654 * True if the detected browser is Safari.
\r
657 isSafari : isSafari,
\r
658 <div id="prop-Ext-isSafari3"></div>/**
\r
659 * True if the detected browser is Safari 3.x.
\r
662 isSafari3 : isSafari3,
\r
663 <div id="prop-Ext-isSafari4"></div>/**
\r
664 * True if the detected browser is Safari 4.x.
\r
667 isSafari4 : isSafari4,
\r
668 <div id="prop-Ext-isSafari2"></div>/**
\r
669 * True if the detected browser is Safari 2.x.
\r
672 isSafari2 : isSafari2,
\r
673 <div id="prop-Ext-isIE"></div>/**
\r
674 * True if the detected browser is Internet Explorer.
\r
678 <div id="prop-Ext-isIE6"></div>/**
\r
679 * True if the detected browser is Internet Explorer 6.x.
\r
683 <div id="prop-Ext-isIE7"></div>/**
\r
684 * True if the detected browser is Internet Explorer 7.x.
\r
688 <div id="prop-Ext-isIE8"></div>/**
\r
689 * True if the detected browser is Internet Explorer 8.x.
\r
693 <div id="prop-Ext-isGecko"></div>/**
\r
694 * True if the detected browser uses the Gecko layout engine (e.g. Mozilla, Firefox).
\r
698 <div id="prop-Ext-isGecko2"></div>/**
\r
699 * True if the detected browser uses a pre-Gecko 1.9 layout engine (e.g. Firefox 2.x).
\r
702 isGecko2 : isGecko2,
\r
703 <div id="prop-Ext-isGecko3"></div>/**
\r
704 * True if the detected browser uses a Gecko 1.9+ layout engine (e.g. Firefox 3.x).
\r
707 isGecko3 : isGecko3,
\r
708 <div id="prop-Ext-isBorderBox"></div>/**
\r
709 * True if the detected browser is Internet Explorer running in non-strict mode.
\r
712 isBorderBox : isBorderBox,
\r
713 <div id="prop-Ext-isLinux"></div>/**
\r
714 * True if the detected platform is Linux.
\r
718 <div id="prop-Ext-isWindows"></div>/**
\r
719 * True if the detected platform is Windows.
\r
722 isWindows : isWindows,
\r
723 <div id="prop-Ext-isMac"></div>/**
\r
724 * True if the detected platform is Mac OS.
\r
728 <div id="prop-Ext-isAir"></div>/**
\r
729 * True if the detected platform is Adobe Air.
\r
735 <div id="method-Ext-ns"></div>/**
\r
736 * Creates namespaces to be used for scoping variables and classes so that they are not global.
\r
737 * Specifying the last node of a namespace implicitly creates all other nodes. Usage:
\r
739 Ext.namespace('Company', 'Company.data');
\r
740 Ext.namespace('Company.data'); // equivalent and preferable to above syntax
\r
741 Company.Widget = function() { ... }
\r
742 Company.data.CustomStore = function(config) { ... }
\r
744 * @param {String} namespace1
\r
745 * @param {String} namespace2
\r
746 * @param {String} etc
\r
747 * @return {Object} The namespace object. (If multiple arguments are passed, this will be the last namespace created)
\r
750 Ext.ns = Ext.namespace;
\r
753 Ext.ns("Ext", "Ext.util", "Ext.lib", "Ext.data");
\r
756 <div id="cls-Function"></div>/**
\r
758 * These functions are available on every Function object (any JavaScript function).
\r
760 Ext.apply(Function.prototype, {
\r
761 <div id="method-Function-createInterceptor"></div>/**
\r
762 * Creates an interceptor function. The passed function is called before the original one. If it returns false,
\r
763 * the original one is not called. The resulting function returns the results of the original function.
\r
764 * The passed function is called with the parameters of the original function. Example usage:
\r
766 var sayHi = function(name){
\r
767 alert('Hi, ' + name);
\r
770 sayHi('Fred'); // alerts "Hi, Fred"
\r
772 // create a new function that validates input without
\r
773 // directly modifying the original function:
\r
774 var sayHiToFriend = sayHi.createInterceptor(function(name){
\r
775 return name == 'Brian';
\r
778 sayHiToFriend('Fred'); // no alert
\r
779 sayHiToFriend('Brian'); // alerts "Hi, Brian"
\r
781 * @param {Function} fcn The function to call before the original
\r
782 * @param {Object} scope (optional) The scope (<code><b>this</b></code> reference) in which the passed function is executed.
\r
783 * <b>If omitted, defaults to the scope in which the original function is called or the browser window.</b>
\r
784 * @return {Function} The new function
\r
786 createInterceptor : function(fcn, scope){
\r
788 return !Ext.isFunction(fcn) ?
\r
794 fcn.method = method;
\r
795 return (fcn.apply(scope || me || window, args) !== false) ?
\r
796 method.apply(me || window, args) :
\r
801 <div id="method-Function-createCallback"></div>/**
\r
802 * Creates a callback that passes arguments[0], arguments[1], arguments[2], ...
\r
803 * Call directly on any function. Example: <code>myFunction.createCallback(arg1, arg2)</code>
\r
804 * Will create a function that is bound to those 2 args. <b>If a specific scope is required in the
\r
805 * callback, use {@link #createDelegate} instead.</b> The function returned by createCallback always
\r
806 * executes in the window scope.
\r
807 * <p>This method is required when you want to pass arguments to a callback function. If no arguments
\r
808 * are needed, you can simply pass a reference to the function as a callback (e.g., callback: myFn).
\r
809 * However, if you tried to pass a function with arguments (e.g., callback: myFn(arg1, arg2)) the function
\r
810 * would simply execute immediately when the code is parsed. Example usage:
\r
812 var sayHi = function(name){
\r
813 alert('Hi, ' + name);
\r
816 // clicking the button alerts "Hi, Fred"
\r
819 renderTo: Ext.getBody(),
\r
820 handler: sayHi.createCallback('Fred')
\r
823 * @return {Function} The new function
\r
825 createCallback : function(/*args...*/){
\r
826 // make args available, in function below
\r
827 var args = arguments,
\r
829 return function() {
\r
830 return method.apply(window, args);
\r
834 <div id="method-Function-createDelegate"></div>/**
\r
835 * Creates a delegate (callback) that sets the scope to obj.
\r
836 * Call directly on any function. Example: <code>this.myFunction.createDelegate(this, [arg1, arg2])</code>
\r
837 * Will create a function that is automatically scoped to obj so that the <tt>this</tt> variable inside the
\r
838 * callback points to obj. Example usage:
\r
840 var sayHi = function(name){
\r
841 // Note this use of "this.text" here. This function expects to
\r
842 // execute within a scope that contains a text property. In this
\r
843 // example, the "this" variable is pointing to the btn object that
\r
844 // was passed in createDelegate below.
\r
845 alert('Hi, ' + name + '. You clicked the "' + this.text + '" button.');
\r
848 var btn = new Ext.Button({
\r
850 renderTo: Ext.getBody()
\r
853 // This callback will execute in the scope of the
\r
854 // button instance. Clicking the button alerts
\r
855 // "Hi, Fred. You clicked the "Say Hi" button."
\r
856 btn.on('click', sayHi.createDelegate(btn, ['Fred']));
\r
858 * @param {Object} scope (optional) The scope (<code><b>this</b></code> reference) in which the function is executed.
\r
859 * <b>If omitted, defaults to the browser window.</b>
\r
860 * @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller)
\r
861 * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding,
\r
862 * if a number the args are inserted at the specified position
\r
863 * @return {Function} The new function
\r
865 createDelegate : function(obj, args, appendArgs){
\r
867 return function() {
\r
868 var callArgs = args || arguments;
\r
869 if (appendArgs === true){
\r
870 callArgs = Array.prototype.slice.call(arguments, 0);
\r
871 callArgs = callArgs.concat(args);
\r
872 }else if (Ext.isNumber(appendArgs)){
\r
873 callArgs = Array.prototype.slice.call(arguments, 0); // copy arguments first
\r
874 var applyArgs = [appendArgs, 0].concat(args); // create method call params
\r
875 Array.prototype.splice.apply(callArgs, applyArgs); // splice them in
\r
877 return method.apply(obj || window, callArgs);
\r
881 <div id="method-Function-defer"></div>/**
\r
882 * Calls this function after the number of millseconds specified, optionally in a specific scope. Example usage:
\r
884 var sayHi = function(name){
\r
885 alert('Hi, ' + name);
\r
888 // executes immediately:
\r
891 // executes after 2 seconds:
\r
892 sayHi.defer(2000, this, ['Fred']);
\r
894 // this syntax is sometimes useful for deferring
\r
895 // execution of an anonymous function:
\r
897 alert('Anonymous');
\r
900 * @param {Number} millis The number of milliseconds for the setTimeout call (if less than or equal to 0 the function is executed immediately)
\r
901 * @param {Object} scope (optional) The scope (<code><b>this</b></code> reference) in which the function is executed.
\r
902 * <b>If omitted, defaults to the browser window.</b>
\r
903 * @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller)
\r
904 * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding,
\r
905 * if a number the args are inserted at the specified position
\r
906 * @return {Number} The timeout id that can be used with clearTimeout
\r
908 defer : function(millis, obj, args, appendArgs){
\r
909 var fn = this.createDelegate(obj, args, appendArgs);
\r
911 return setTimeout(fn, millis);
\r
918 <div id="cls-String"></div>/**
\r
920 * These functions are available on every String object.
\r
922 Ext.applyIf(String, {
\r
923 <div id="method-String-format"></div>/**
\r
924 * Allows you to define a tokenized string and pass an arbitrary number of arguments to replace the tokens. Each
\r
925 * token must be unique, and must increment in the format {0}, {1}, etc. Example usage:
\r
927 var cls = 'my-class', text = 'Some text';
\r
928 var s = String.format('<div class="{0}">{1}</div>', cls, text);
\r
929 // s now contains the string: '<div class="my-class">Some text</div>'
\r
931 * @param {String} string The tokenized string to be formatted
\r
932 * @param {String} value1 The value to replace token {0}
\r
933 * @param {String} value2 Etc...
\r
934 * @return {String} The formatted string
\r
937 format : function(format){
\r
938 var args = Ext.toArray(arguments, 1);
\r
939 return format.replace(/\{(\d+)\}/g, function(m, i){
\r
945 <div id="cls-Array"></div>/**
\r
948 Ext.applyIf(Array.prototype, {
\r
949 <div id="method-Array-indexOf"></div>/**
\r
950 * Checks whether or not the specified object exists in the array.
\r
951 * @param {Object} o The object to check for
\r
952 * @param {Number} from (Optional) The index at which to begin the search
\r
953 * @return {Number} The index of o in the array (or -1 if it is not found)
\r
955 indexOf : function(o, from){
\r
956 var len = this.length;
\r
958 from += (from < 0) ? len : 0;
\r
959 for (; from < len; ++from){
\r
960 if(this[from] === o){
\r
967 <div id="method-Array-remove"></div>/**
\r
968 * Removes the specified object from the array. If the object is not found nothing happens.
\r
969 * @param {Object} o The object to remove
\r
970 * @return {Array} this array
\r
972 remove : function(o){
\r
973 var index = this.indexOf(o);
\r
975 this.splice(index, 1);
\r