/*
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This file is part of Ext JS 4.2
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Copyright (c) 2011-2013 Sencha Inc
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Contact: http://www.sencha.com/contact
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GNU General Public License Usage
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This file may be used under the terms of the GNU General Public License version 3.0 as
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published by the Free Software Foundation and appearing in the file LICENSE included in the
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packaging of this file.
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Please review the following information to ensure the GNU General Public License version 3.0
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requirements will be met: http://www.gnu.org/copyleft/gpl.html.
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If you are unsure which license is appropriate for your use, please contact the sales department
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at http://www.sencha.com/contact.
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Build date: 2013-05-16 14:36:50 (f9be68accb407158ba2b1be2c226a6ce1f649314)
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*/
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// @tag foundation,core
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// @define Ext
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/**
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* @class Ext
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* @singleton
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*/
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var Ext = Ext || {};
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Ext._startTime = new Date().getTime();
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(function() {
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var global = this,
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objectPrototype = Object.prototype,
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toString = objectPrototype.toString,
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enumerables = true,
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enumerablesTest = {toString: 1},
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emptyFn = function () {},
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// This is the "$previous" method of a hook function on an instance. When called, it
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// calls through the class prototype by the name of the called method.
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callOverrideParent = function () {
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var method = callOverrideParent.caller.caller; // skip callParent (our caller)
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return method.$owner.prototype[method.$name].apply(this, arguments);
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},
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i,
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nonWhitespaceRe = /\S/,
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ExtApp,
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iterableRe = /\[object\s*(?:Array|Arguments|\w*Collection|\w*List|HTML\s+document\.all\s+class)\]/;
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Function.prototype.$extIsFunction = true;
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Ext.global = global;
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for (i in enumerablesTest) {
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enumerables = null;
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}
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if (enumerables) {
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enumerables = ['hasOwnProperty', 'valueOf', 'isPrototypeOf', 'propertyIsEnumerable',
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'toLocaleString', 'toString', 'constructor'];
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}
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/**
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* An array containing extra enumerables for old browsers
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* @property {String[]}
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*/
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Ext.enumerables = enumerables;
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/**
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* Copies all the properties of config to the specified object.
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* Note that if recursive merging and cloning without referencing the original objects / arrays is needed, use
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* {@link Ext.Object#merge} instead.
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* @param {Object} object The receiver of the properties
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* @param {Object} config The source of the properties
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* @param {Object} [defaults] A different object that will also be applied for default values
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* @return {Object} returns obj
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*/
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Ext.apply = function(object, config, defaults) {
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if (defaults) {
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Ext.apply(object, defaults);
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}
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if (object && config && typeof config === 'object') {
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var i, j, k;
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for (i in config) {
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object[i] = config[i];
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}
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if (enumerables) {
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for (j = enumerables.length; j--;) {
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k = enumerables[j];
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if (config.hasOwnProperty(k)) {
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object[k] = config[k];
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}
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}
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}
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}
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return object;
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};
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Ext.buildSettings = Ext.apply({
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baseCSSPrefix: 'x-'
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}, Ext.buildSettings || {});
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Ext.apply(Ext, {
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/**
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* @property {String} [name='Ext']
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* <p>The name of the property in the global namespace (The <code>window</code> in browser environments) which refers to the current instance of Ext.</p>
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* <p>This is usually <code>"Ext"</code>, but if a sandboxed build of ExtJS is being used, this will be an alternative name.</p>
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* <p>If code is being generated for use by <code>eval</code> or to create a <code>new Function</code>, and the global instance
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* of Ext must be referenced, this is the name that should be built into the code.</p>
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*/
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name: Ext.sandboxName || 'Ext',
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/**
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* @property {Function}
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* A reusable empty function
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*/
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emptyFn: emptyFn,
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/**
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* A reusable identity function. The function will always return the first argument, unchanged.
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*/
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identityFn: function(o) {
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return o;
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},
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/**
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* A zero length string which will pass a truth test. Useful for passing to methods
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* which use a truth test to reject <i>falsy</i> values where a string value must be cleared.
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*/
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emptyString: new String(),
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baseCSSPrefix: Ext.buildSettings.baseCSSPrefix,
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/**
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* Copies all the properties of config to object if they don't already exist.
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* @param {Object} object The receiver of the properties
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* @param {Object} config The source of the properties
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* @return {Object} returns obj
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*/
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applyIf: function(object, config) {
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var property;
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if (object) {
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for (property in config) {
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if (object[property] === undefined) {
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object[property] = config[property];
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}
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}
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}
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return object;
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},
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/**
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* Iterates either an array or an object. This method delegates to
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* {@link Ext.Array#each Ext.Array.each} if the given value is iterable, and {@link Ext.Object#each Ext.Object.each} otherwise.
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*
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* @param {Object/Array} object The object or array to be iterated.
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* @param {Function} fn The function to be called for each iteration. See and {@link Ext.Array#each Ext.Array.each} and
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* {@link Ext.Object#each Ext.Object.each} for detailed lists of arguments passed to this function depending on the given object
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* type that is being iterated.
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* @param {Object} scope (Optional) The scope (`this` reference) in which the specified function is executed.
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* Defaults to the object being iterated itself.
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* @markdown
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*/
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iterate: function(object, fn, scope) {
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if (Ext.isEmpty(object)) {
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return;
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}
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if (scope === undefined) {
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scope = object;
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}
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if (Ext.isIterable(object)) {
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Ext.Array.each.call(Ext.Array, object, fn, scope);
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}
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else {
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Ext.Object.each.call(Ext.Object, object, fn, scope);
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}
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}
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});
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Ext.apply(Ext, {
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/**
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* This method deprecated. Use {@link Ext#define Ext.define} instead.
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* @method
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* @param {Function} superclass
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* @param {Object} overrides
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* @return {Function} The subclass constructor from the <tt>overrides</tt> parameter, or a generated one if not provided.
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* @deprecated 4.0.0 Use {@link Ext#define Ext.define} instead
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*/
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extend: (function() {
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// inline overrides
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var objectConstructor = objectPrototype.constructor,
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inlineOverrides = function(o) {
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for (var m in o) {
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if (!o.hasOwnProperty(m)) {
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continue;
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}
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this[m] = o[m];
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}
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};
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return function(subclass, superclass, overrides) {
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// First we check if the user passed in just the superClass with overrides
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if (Ext.isObject(superclass)) {
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overrides = superclass;
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superclass = subclass;
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subclass = overrides.constructor !== objectConstructor ? overrides.constructor : function() {
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superclass.apply(this, arguments);
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};
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}
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//<debug>
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if (!superclass) {
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Ext.Error.raise({
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sourceClass: 'Ext',
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sourceMethod: 'extend',
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msg: 'Attempting to extend from a class which has not been loaded on the page.'
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});
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}
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//</debug>
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// We create a new temporary class
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var F = function() {},
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subclassProto, superclassProto = superclass.prototype;
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F.prototype = superclassProto;
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subclassProto = subclass.prototype = new F();
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subclassProto.constructor = subclass;
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subclass.superclass = superclassProto;
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if (superclassProto.constructor === objectConstructor) {
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superclassProto.constructor = superclass;
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}
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subclass.override = function(overrides) {
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Ext.override(subclass, overrides);
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};
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subclassProto.override = inlineOverrides;
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subclassProto.proto = subclassProto;
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subclass.override(overrides);
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subclass.extend = function(o) {
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return Ext.extend(subclass, o);
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};
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return subclass;
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};
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}()),
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/**
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* Overrides members of the specified `target` with the given values.
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*
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* If the `target` is a class declared using {@link Ext#define Ext.define}, the
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* `override` method of that class is called (see {@link Ext.Base#override}) given
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* the `overrides`.
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*
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* If the `target` is a function, it is assumed to be a constructor and the contents
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* of `overrides` are applied to its `prototype` using {@link Ext#apply Ext.apply}.
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*
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* If the `target` is an instance of a class declared using {@link Ext#define Ext.define},
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* the `overrides` are applied to only that instance. In this case, methods are
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* specially processed to allow them to use {@link Ext.Base#callParent}.
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*
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* var panel = new Ext.Panel({ ... });
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*
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* Ext.override(panel, {
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* initComponent: function () {
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* // extra processing...
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*
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* this.callParent();
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* }
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* });
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*
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* If the `target` is none of these, the `overrides` are applied to the `target`
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* using {@link Ext#apply Ext.apply}.
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*
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* Please refer to {@link Ext#define Ext.define} and {@link Ext.Base#override} for
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* further details.
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*
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* @param {Object} target The target to override.
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* @param {Object} overrides The properties to add or replace on `target`.
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* @method override
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*/
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override: function (target, overrides) {
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if (target.$isClass) {
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target.override(overrides);
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} else if (typeof target == 'function') {
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Ext.apply(target.prototype, overrides);
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} else {
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var owner = target.self,
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name, value;
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if (owner && owner.$isClass) { // if (instance of Ext.define'd class)
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for (name in overrides) {
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if (overrides.hasOwnProperty(name)) {
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value = overrides[name];
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if (typeof value == 'function') {
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//<debug>
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if (owner.$className) {
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value.displayName = owner.$className + '#' + name;
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}
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//</debug>
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value.$name = name;
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value.$owner = owner;
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value.$previous = target.hasOwnProperty(name)
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? target[name] // already hooked, so call previous hook
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: callOverrideParent; // calls by name on prototype
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}
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target[name] = value;
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}
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}
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} else {
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Ext.apply(target, overrides);
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}
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}
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return target;
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}
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});
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// A full set of static methods to do type checking
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Ext.apply(Ext, {
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/**
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* Returns the given value itself if it's not empty, as described in {@link Ext#isEmpty}; returns the default
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* value (second argument) otherwise.
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*
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* @param {Object} value The value to test
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* @param {Object} defaultValue The value to return if the original value is empty
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* @param {Boolean} allowBlank (optional) true to allow zero length strings to qualify as non-empty (defaults to false)
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* @return {Object} value, if non-empty, else defaultValue
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*/
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valueFrom: function(value, defaultValue, allowBlank){
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return Ext.isEmpty(value, allowBlank) ? defaultValue : value;
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},
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/**
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* Returns the type of the given variable in string format. List of possible values are:
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*
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* - `undefined`: If the given value is `undefined`
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* - `null`: If the given value is `null`
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* - `string`: If the given value is a string
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* - `number`: If the given value is a number
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* - `boolean`: If the given value is a boolean value
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* - `date`: If the given value is a `Date` object
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* - `function`: If the given value is a function reference
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* - `object`: If the given value is an object
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* - `array`: If the given value is an array
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* - `regexp`: If the given value is a regular expression
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* - `element`: If the given value is a DOM Element
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* - `textnode`: If the given value is a DOM text node and contains something other than whitespace
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* - `whitespace`: If the given value is a DOM text node and contains only whitespace
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*
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* @param {Object} value
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* @return {String}
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* @markdown
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*/
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typeOf: function(value) {
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var type,
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typeToString;
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if (value === null) {
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return 'null';
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}
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type = typeof value;
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if (type === 'undefined' || type === 'string' || type === 'number' || type === 'boolean') {
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return type;
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}
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typeToString = toString.call(value);
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switch(typeToString) {
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case '[object Array]':
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return 'array';
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case '[object Date]':
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return 'date';
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case '[object Boolean]':
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return 'boolean';
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case '[object Number]':
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return 'number';
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case '[object RegExp]':
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return 'regexp';
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}
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if (type === 'function') {
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return 'function';
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}
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if (type === 'object') {
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if (value.nodeType !== undefined) {
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if (value.nodeType === 3) {
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return (nonWhitespaceRe).test(value.nodeValue) ? 'textnode' : 'whitespace';
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}
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else {
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return 'element';
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}
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}
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return 'object';
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}
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//<debug error>
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Ext.Error.raise({
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sourceClass: 'Ext',
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sourceMethod: 'typeOf',
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msg: 'Failed to determine the type of the specified value "' + value + '". This is most likely a bug.'
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});
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//</debug>
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},
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/**
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* Coerces the first value if possible so that it is comparable to the second value.
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*
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* Coercion only works between the basic atomic data types String, Boolean, Number, Date, null and undefined.
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*
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* Numbers and numeric strings are coerced to Dates using the value as the millisecond era value.
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*
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* Strings are coerced to Dates by parsing using the {@link Ext.Date#defaultFormat defaultFormat}.
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*
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* For example
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*
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* Ext.coerce('false', true);
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*
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* returns the boolean value `false` because the second parameter is of type `Boolean`.
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*
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* @param {Mixed} from The value to coerce
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* @param {Mixed} to The value it must be compared against
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* @return The coerced value.
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*/
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coerce: function(from, to) {
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var fromType = Ext.typeOf(from),
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toType = Ext.typeOf(to),
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isString = typeof from === 'string';
|
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if (fromType !== toType) {
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switch (toType) {
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case 'string':
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return String(from);
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case 'number':
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return Number(from);
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case 'boolean':
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return isString && (!from || from === 'false') ? false : Boolean(from);
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case 'null':
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return isString && (!from || from === 'null') ? null : from;
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case 'undefined':
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return isString && (!from || from === 'undefined') ? undefined : from;
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case 'date':
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return isString && isNaN(from) ? Ext.Date.parse(from, Ext.Date.defaultFormat) : Date(Number(from));
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}
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}
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return from;
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},
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|
/**
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* Returns true if the passed value is empty, false otherwise. The value is deemed to be empty if it is either:
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*
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* - `null`
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* - `undefined`
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* - a zero-length array
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* - a zero-length string (Unless the `allowEmptyString` parameter is set to `true`)
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*
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* @param {Object} value The value to test
|
* @param {Boolean} allowEmptyString (optional) true to allow empty strings (defaults to false)
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* @return {Boolean}
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* @markdown
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*/
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isEmpty: function(value, allowEmptyString) {
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return (value === null) || (value === undefined) || (!allowEmptyString ? value === '' : false) || (Ext.isArray(value) && value.length === 0);
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},
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|
/**
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* Returns true if the passed value is a JavaScript Array, false otherwise.
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*
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* @param {Object} target The target to test
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* @return {Boolean}
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* @method
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*/
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isArray: ('isArray' in Array) ? Array.isArray : function(value) {
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return toString.call(value) === '[object Array]';
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},
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|
/**
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* Returns true if the passed value is a JavaScript Date object, false otherwise.
|
* @param {Object} object The object to test
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* @return {Boolean}
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*/
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isDate: function(value) {
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return toString.call(value) === '[object Date]';
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},
|
|
/**
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* Returns true if the passed value is a JavaScript Object, false otherwise.
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* @param {Object} value The value to test
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* @return {Boolean}
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* @method
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*/
|
isObject: (toString.call(null) === '[object Object]') ?
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function(value) {
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// check ownerDocument here as well to exclude DOM nodes
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return value !== null && value !== undefined && toString.call(value) === '[object Object]' && value.ownerDocument === undefined;
|
} :
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function(value) {
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return toString.call(value) === '[object Object]';
|
},
|
|
/**
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* @private
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*/
|
isSimpleObject: function(value) {
|
return value instanceof Object && value.constructor === Object;
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},
|
/**
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* Returns true if the passed value is a JavaScript 'primitive', a string, number or boolean.
|
* @param {Object} value The value to test
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* @return {Boolean}
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*/
|
isPrimitive: function(value) {
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var type = typeof value;
|
|
return type === 'string' || type === 'number' || type === 'boolean';
|
},
|
|
/**
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* Returns true if the passed value is a JavaScript Function, false otherwise.
|
* @param {Object} value The value to test
|
* @return {Boolean}
|
* @method
|
*/
|
isFunction: function(value) {
|
return !!(value && value.$extIsFunction);
|
},
|
|
/**
|
* Returns true if the passed value is a number. Returns false for non-finite numbers.
|
* @param {Object} value The value to test
|
* @return {Boolean}
|
*/
|
isNumber: function(value) {
|
return typeof value === 'number' && isFinite(value);
|
},
|
|
/**
|
* Validates that a value is numeric.
|
* @param {Object} value Examples: 1, '1', '2.34'
|
* @return {Boolean} True if numeric, false otherwise
|
*/
|
isNumeric: function(value) {
|
return !isNaN(parseFloat(value)) && isFinite(value);
|
},
|
|
/**
|
* Returns true if the passed value is a string.
|
* @param {Object} value The value to test
|
* @return {Boolean}
|
*/
|
isString: function(value) {
|
return typeof value === 'string';
|
},
|
|
/**
|
* Returns true if the passed value is a boolean.
|
*
|
* @param {Object} value The value to test
|
* @return {Boolean}
|
*/
|
isBoolean: function(value) {
|
return typeof value === 'boolean';
|
},
|
|
/**
|
* Returns true if the passed value is an HTMLElement
|
* @param {Object} value The value to test
|
* @return {Boolean}
|
*/
|
isElement: function(value) {
|
return value ? value.nodeType === 1 : false;
|
},
|
|
/**
|
* Returns true if the passed value is a TextNode
|
* @param {Object} value The value to test
|
* @return {Boolean}
|
*/
|
isTextNode: function(value) {
|
return value ? value.nodeName === "#text" : false;
|
},
|
|
/**
|
* Returns true if the passed value is defined.
|
* @param {Object} value The value to test
|
* @return {Boolean}
|
*/
|
isDefined: function(value) {
|
return typeof value !== 'undefined';
|
},
|
|
/**
|
* Returns `true` if the passed value is iterable, that is, if elements of it are addressable using array
|
* notation with numeric indices, `false` otherwise.
|
*
|
* Arrays and function `arguments` objects are iterable. Also HTML collections such as `NodeList` and `HTMLCollection'
|
* are iterable.
|
*
|
* @param {Object} value The value to test
|
* @return {Boolean}
|
*/
|
isIterable: function(value) {
|
// To be iterable, the object must have a numeric length property and must not be a string or function.
|
if (!value || typeof value.length !== 'number' || typeof value === 'string' || value.$extIsFunction) {
|
return false;
|
}
|
|
// Certain "standard" collections in IE (such as document.images) do not offer the correct
|
// Javascript Object interface; specifically, they lack the propertyIsEnumerable method.
|
// And the item property while it does exist is not typeof "function"
|
if (!value.propertyIsEnumerable) {
|
return !!value.item;
|
}
|
|
// If it is a regular, interrogatable JS object (not an IE ActiveX object), then...
|
// If it has its own property called "length", but not enumerable, it's iterable
|
if (value.hasOwnProperty('length') && !value.propertyIsEnumerable('length')) {
|
return true;
|
}
|
|
// Test against whitelist which includes known iterable collection types
|
return iterableRe.test(toString.call(value));
|
}
|
});
|
|
Ext.apply(Ext, {
|
|
/**
|
* Clone simple variables including array, {}-like objects, DOM nodes and Date without keeping the old reference.
|
* A reference for the object itself is returned if it's not a direct decendant of Object. For model cloning,
|
* see {@link Ext.data.Model#copy Model.copy}.
|
*
|
* @param {Object} item The variable to clone
|
* @return {Object} clone
|
*/
|
clone: function(item) {
|
var type,
|
i,
|
j,
|
k,
|
clone,
|
key;
|
|
if (item === null || item === undefined) {
|
return item;
|
}
|
|
// DOM nodes
|
// TODO proxy this to Ext.Element.clone to handle automatic id attribute changing
|
// recursively
|
if (item.nodeType && item.cloneNode) {
|
return item.cloneNode(true);
|
}
|
|
type = toString.call(item);
|
|
// Date
|
if (type === '[object Date]') {
|
return new Date(item.getTime());
|
}
|
|
|
// Array
|
if (type === '[object Array]') {
|
i = item.length;
|
|
clone = [];
|
|
while (i--) {
|
clone[i] = Ext.clone(item[i]);
|
}
|
}
|
// Object
|
else if (type === '[object Object]' && item.constructor === Object) {
|
clone = {};
|
|
for (key in item) {
|
clone[key] = Ext.clone(item[key]);
|
}
|
|
if (enumerables) {
|
for (j = enumerables.length; j--;) {
|
k = enumerables[j];
|
if (item.hasOwnProperty(k)) {
|
clone[k] = item[k];
|
}
|
}
|
}
|
}
|
|
return clone || item;
|
},
|
|
/**
|
* @private
|
* Generate a unique reference of Ext in the global scope, useful for sandboxing
|
*/
|
getUniqueGlobalNamespace: function() {
|
var uniqueGlobalNamespace = this.uniqueGlobalNamespace,
|
i;
|
|
if (uniqueGlobalNamespace === undefined) {
|
i = 0;
|
|
do {
|
uniqueGlobalNamespace = 'ExtBox' + (++i);
|
} while (Ext.global[uniqueGlobalNamespace] !== undefined);
|
|
Ext.global[uniqueGlobalNamespace] = Ext;
|
this.uniqueGlobalNamespace = uniqueGlobalNamespace;
|
}
|
|
return uniqueGlobalNamespace;
|
},
|
|
/**
|
* @private
|
*/
|
functionFactoryCache: {},
|
|
cacheableFunctionFactory: function() {
|
var me = this,
|
args = Array.prototype.slice.call(arguments),
|
cache = me.functionFactoryCache,
|
idx, fn, ln;
|
|
if (Ext.isSandboxed) {
|
ln = args.length;
|
if (ln > 0) {
|
ln--;
|
args[ln] = 'var Ext=window.' + Ext.name + ';' + args[ln];
|
}
|
}
|
idx = args.join('');
|
fn = cache[idx];
|
if (!fn) {
|
fn = Function.prototype.constructor.apply(Function.prototype, args);
|
|
cache[idx] = fn;
|
}
|
return fn;
|
},
|
|
functionFactory: function() {
|
var me = this,
|
args = Array.prototype.slice.call(arguments),
|
ln;
|
|
if (Ext.isSandboxed) {
|
ln = args.length;
|
if (ln > 0) {
|
ln--;
|
args[ln] = 'var Ext=window.' + Ext.name + ';' + args[ln];
|
}
|
}
|
|
return Function.prototype.constructor.apply(Function.prototype, args);
|
},
|
|
/**
|
* @private
|
* @property
|
*/
|
Logger: {
|
verbose: emptyFn,
|
log: emptyFn,
|
info: emptyFn,
|
warn: emptyFn,
|
error: function(message) {
|
throw new Error(message);
|
},
|
deprecate: emptyFn
|
}
|
});
|
|
/**
|
* Old alias to {@link Ext#typeOf}
|
* @deprecated 4.0.0 Use {@link Ext#typeOf} instead
|
* @method
|
* @inheritdoc Ext#typeOf
|
*/
|
Ext.type = Ext.typeOf;
|
|
// When using Cmd optimizations, the namespace Ext.app may already be defined
|
// by this point since it's done up front by the tool. Check if app already
|
// exists before overwriting it.
|
ExtApp = Ext.app;
|
if (!ExtApp) {
|
ExtApp = Ext.app = {};
|
}
|
Ext.apply(ExtApp, {
|
namespaces: {},
|
|
/**
|
* @private
|
*/
|
collectNamespaces: function(paths) {
|
var namespaces = Ext.app.namespaces,
|
path;
|
|
for (path in paths) {
|
if (paths.hasOwnProperty(path)) {
|
namespaces[path] = true;
|
}
|
}
|
},
|
|
/**
|
* Adds namespace(s) to known list.
|
*
|
* @param {String/String[]} namespace
|
*/
|
addNamespaces: function(ns) {
|
var namespaces = Ext.app.namespaces,
|
i, l;
|
|
if (!Ext.isArray(ns)) {
|
ns = [ns];
|
}
|
|
for (i = 0, l = ns.length; i < l; i++) {
|
namespaces[ns[i]] = true;
|
}
|
},
|
|
/**
|
* @private Clear all namespaces from known list.
|
*/
|
clearNamespaces: function() {
|
Ext.app.namespaces = {};
|
},
|
|
/**
|
* Get namespace prefix for a class name.
|
*
|
* @param {String} className
|
*
|
* @return {String} Namespace prefix if it's known, otherwise undefined
|
*/
|
getNamespace: function(className) {
|
var namespaces = Ext.app.namespaces,
|
deepestPrefix = '',
|
prefix;
|
|
for (prefix in namespaces) {
|
if (namespaces.hasOwnProperty(prefix) &&
|
prefix.length > deepestPrefix.length &&
|
(prefix + '.' === className.substring(0, prefix.length + 1))) {
|
deepestPrefix = prefix;
|
}
|
}
|
|
return deepestPrefix === '' ? undefined : deepestPrefix;
|
}
|
});
|
}());
|
|
/*
|
* This method evaluates the given code free of any local variable. In some browsers this
|
* will be at global scope, in others it will be in a function.
|
* @parma {String} code The code to evaluate.
|
* @private
|
* @method
|
*/
|
Ext.globalEval = Ext.global.execScript
|
? function(code) {
|
execScript(code);
|
}
|
: function($$code) {
|
// IMPORTANT: because we use eval we cannot place this in the above function or it
|
// will break the compressor's ability to rename local variables...
|
(function(){
|
// This var should not be replaced by the compressor. We need to do this so
|
// that Ext refers to the global Ext, if we're sandboxing it may
|
// refer to the local instance inside the closure
|
var Ext = this.Ext;
|
eval($$code);
|
}());
|
};
|
