frontend/utils.js

   1 //
   2 // Armadillo File Manager
   3 // Copyright (c) 2011, Robert Sesek <http://www.bluestatic.org>
   4 //
   5 // This program is free software: you can redistribute it and/or modify it under
   6 // the terms of the GNU General Public License as published by the Free Software
   7 // Foundation, either version 3 of the License, or any later version.
   8 //
   9
  10 $.extend({
  11   /**
  12    * Defines a namespace.
  13    * @param {string} ns
  14    */
  15   namespace: function(ns) {
  16     var parent = window;
  17     this.each(ns.split('.'), function (i, space) {
  18       parent[space] = parent[space] || {};
  19       parent = parent[space];
  20     });
  21   },
  22
  23   /**
  24    * Shortcut for creating a DOM element.
  25    * @param {string} elm
  26    */
  27   createDom: function(elm) {
  28     return this(document.createElement(elm));
  29   }
  30 });
  31
  32 // Not all browsers (notably Safari) support ES5 Function.bind(). This is a
  33 // rough approximation from:
  34 // <https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Function/bind>.
  35 if (!Function.prototype.bind) {
  36   Function.prototype.bind = function (oThis) {
  37     if (typeof this !== "function") {
  38       // closest thing possible to the ECMAScript 5 internal IsCallable function
  39       throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
  40     }
  41
  42     var aArgs = Array.prototype.slice.call(arguments, 1);
  43     var fToBind = this;
  44     var fNOP = function () {};
  45     var fBound = function () {
  46       return fToBind.apply(this instanceof fNOP ? this : oThis || window,
  47                            aArgs.concat(Array.prototype.slice.call(arguments)));
  48     };
  49
  50     fNOP.prototype = this.prototype;
  51     fBound.prototype = new fNOP();
  52     return fBound;
  53   };
  54 }