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share/adapter/jquery/ext-jquery-adapter-debug.js  view on Meta::CPAN

        /**
         * True if the detected platform is Linux.
         * @type Boolean
         */
        isLinux : isLinux,
        /**
         * True if the detected platform is Windows.
         * @type Boolean
         */
        isWindows : isWindows,
        /**
         * True if the detected platform is Mac OS.
         * @type Boolean
         */
        isMac : isMac,
        /**
         * True if the detected platform is Adobe Air.
         * @type Boolean
         */
        isAir : isAir
    });

    /**
     * Creates namespaces to be used for scoping variables and classes so that they are not global.
     * Specifying the last node of a namespace implicitly creates all other nodes. Usage:
     * <pre><code>
Ext.namespace('Company', 'Company.data');
Ext.namespace('Company.data'); // equivalent and preferable to above syntax
Company.Widget = function() { ... }
Company.data.CustomStore = function(config) { ... }
</code></pre>
     * @param {String} namespace1
     * @param {String} namespace2
     * @param {String} etc
     * @return {Object} The namespace object. (If multiple arguments are passed, this will be the last namespace created)
     * @method ns
     */
    Ext.ns = Ext.namespace;
})();

Ext.ns('Ext.util', 'Ext.lib', 'Ext.data', 'Ext.supports');

Ext.elCache = {};

/**
 * @class Function
 * These functions are available on every Function object (any JavaScript function).
 */
Ext.apply(Function.prototype, {
     /**
     * Creates an interceptor function. The passed function is called before the original one. If it returns false,
     * the original one is not called. The resulting function returns the results of the original function.
     * The passed function is called with the parameters of the original function. Example usage:
     * <pre><code>
var sayHi = function(name){
    alert('Hi, ' + name);
}

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

// create a new function that validates input without
// directly modifying the original function:
var sayHiToFriend = sayHi.createInterceptor(function(name){
    return name == 'Brian';
});

sayHiToFriend('Fred');  // no alert
sayHiToFriend('Brian'); // alerts "Hi, Brian"
</code></pre>
     * @param {Function} fcn The function to call before the original
     * @param {Object} scope (optional) The scope (<code><b>this</b></code> reference) in which the passed function is executed.
     * <b>If omitted, defaults to the scope in which the original function is called or the browser window.</b>
     * @return {Function} The new function
     */
    createInterceptor : function(fcn, scope){
        var method = this;
        return !Ext.isFunction(fcn) ?
                this :
                function() {
                    var me = this,
                        args = arguments;
                    fcn.target = me;
                    fcn.method = method;
                    return (fcn.apply(scope || me || window, args) !== false) ?
                            method.apply(me || window, args) :
                            null;
                };
    },

     /**
     * Creates a callback that passes arguments[0], arguments[1], arguments[2], ...
     * Call directly on any function. Example: <code>myFunction.createCallback(arg1, arg2)</code>
     * Will create a function that is bound to those 2 args. <b>If a specific scope is required in the
     * callback, use {@link #createDelegate} instead.</b> The function returned by createCallback always
     * executes in the window scope.
     * <p>This method is required when you want to pass arguments to a callback function.  If no arguments
     * are needed, you can simply pass a reference to the function as a callback (e.g., callback: myFn).
     * However, if you tried to pass a function with arguments (e.g., callback: myFn(arg1, arg2)) the function
     * would simply execute immediately when the code is parsed. Example usage:
     * <pre><code>
var sayHi = function(name){
    alert('Hi, ' + name);
}

// clicking the button alerts "Hi, Fred"
new Ext.Button({
    text: 'Say Hi',
    renderTo: Ext.getBody(),
    handler: sayHi.createCallback('Fred')
});
</code></pre>
     * @return {Function} The new function
    */
    createCallback : function(/*args...*/){
        // make args available, in function below
        var args = arguments,
            method = this;
        return function() {
            return method.apply(window, args);
        };
    },