res/js/prototype.lite.js

   1 /*  Prototype JavaScript framework
   2  *  (c) 2005 Sam Stephenson <sam@conio.net>
   3  *
   4  *  Prototype is freely distributable under the terms of an MIT-style license.
   5  *
   6  *  For details, see the Prototype web site: http://prototype.conio.net/
   7  *
   8 /*--------------------------------------------------------------------------*/
   9
  10
  11 //note: this is a stripped down version of prototype, to be used with moo.fx by mad4milk (http://moofx.mad4milk.net).
  12
  13 var Class = {
  14   create: function() {
  15     return function() {
  16       this.initialize.apply(this, arguments);
  17     }
  18   }
  19 }
  20
  21 Object.extend = function(destination, source) {
  22   for (property in source) {
  23     destination[property] = source[property];
  24   }
  25   return destination;
  26 }
  27
  28 Function.prototype.bind = function(object) {
  29   var __method = this;
  30   return function() {
  31     return __method.apply(object, arguments);
  32   }
  33 }
  34
  35 function $() {
  36   var elements = new Array();
  37
  38   for (var i = 0; i < arguments.length; i++) {
  39     var element = arguments[i];
  40     if (typeof element == 'string')
  41       element = document.getElementById(element);
  42
  43     if (arguments.length == 1)
  44       return element;
  45
  46     elements.push(element);
  47   }
  48
  49   return elements;
  50 }
  51
  52 //-------------------------
  53
  54 document.getElementsByClassName = function(className) {
  55   var children = document.getElementsByTagName('*') || document.all;
  56   var elements = new Array();
  57
  58   for (var i = 0; i < children.length; i++) {
  59     var child = children[i];
  60     var classNames = child.className.split(' ');
  61     for (var j = 0; j < classNames.length; j++) {
  62       if (classNames[j] == className) {
  63         elements.push(child);
  64         break;
  65       }
  66     }
  67   }
  68
  69   return elements;
  70 }
  71
  72 //-------------------------
  73
  74 if (!window.Element) {
  75   var Element = new Object();
  76 }
  77
  78 Object.extend(Element, {
  79   remove: function(element) {
  80     element = $(element);
  81     element.parentNode.removeChild(element);
  82   },
  83
  84   hasClassName: function(element, className) {
  85     element = $(element);
  86     if (!element)
  87       return;
  88     var a = element.className.split(' ');
  89     for (var i = 0; i < a.length; i++) {
  90       if (a[i] == className)
  91         return true;
  92     }
  93     return false;
  94   },
  95
  96   addClassName: function(element, className) {
  97     element = $(element);
  98     Element.removeClassName(element, className);
  99     element.className += ' ' + className;
 100   },
 101
 102   removeClassName: function(element, className) {
 103     element = $(element);
 104     if (!element)
 105       return;
 106     var newClassName = '';
 107     var a = element.className.split(' ');
 108     for (var i = 0; i < a.length; i++) {
 109       if (a[i] != className) {
 110         if (i > 0)
 111           newClassName += ' ';
 112         newClassName += a[i];
 113       }
 114     }
 115     element.className = newClassName;
 116   },
 117
 118   // removes whitespace-only text node children
 119   cleanWhitespace: function(element) {
 120     element = $(element);
 121     for (var i = 0; i < element.childNodes.length; i++) {
 122       var node = element.childNodes[i];
 123       if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
 124         Element.remove(node);
 125     }
 126   }
 127 });