From 516dc2c0f16cf187f981b5e8648a7f7f1b31d190 Mon Sep 17 00:00:00 2001
From: Thomas Fuchs <thomas@fesch.at>
Date: Wed, 28 Sep 2005 08:20:47 +0000
Subject: Update script.aculo.us to 1.5_rc2, and Prototype to 1.4.0_pre7

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2386 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 .../lib/action_view/helpers/javascripts/util.js    | 521 +++++++++++++++++++++
 1 file changed, 521 insertions(+)
 create mode 100644 actionpack/lib/action_view/helpers/javascripts/util.js

(limited to 'actionpack/lib/action_view/helpers/javascripts/util.js')

diff --git a/actionpack/lib/action_view/helpers/javascripts/util.js b/actionpack/lib/action_view/helpers/javascripts/util.js
new file mode 100644
index 0000000000..c83101b7d2
--- /dev/null
+++ b/actionpack/lib/action_view/helpers/javascripts/util.js
@@ -0,0 +1,521 @@
+// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+//
+// See scriptaculous.js for full license.
+
+Object.inspect = function(obj) {
+  var info = [];
+  
+  if(typeof obj in ["string","number"]) {
+    return obj;
+  } else {
+    for(property in obj)
+      if(typeof obj[property]!="function")
+        info.push(property + ' => ' + 
+          (typeof obj[property] == "string" ?
+            '"' + obj[property] + '"' :
+            obj[property]));
+  }
+  
+  return ("'" + obj + "' #" + typeof obj + 
+    ": {" + info.join(", ") + "}");
+}
+
+// borrowed from http://www.schuerig.de/michael/javascript/stdext.js
+// Copyright (c) 2005, Michael Schuerig, michael@schuerig.de
+
+Array.flatten = function(array, excludeUndefined) {
+  if (excludeUndefined === undefined) {
+    excludeUndefined = false;
+  }
+  var result = [];
+  var len = array.length;
+  for (var i = 0; i < len; i++) {
+    var el = array[i];
+    if (el instanceof Array) {
+      var flat = el.flatten(excludeUndefined);
+      result = result.concat(flat);
+    } else if (!excludeUndefined || el != undefined) {
+      result.push(el);
+    }
+  }
+  return result;
+};
+
+if (!Array.prototype.flatten) {
+  Array.prototype.flatten = function(excludeUndefined) {
+    return Array.flatten(this, excludeUndefined);
+  }
+}
+
+String.prototype.toArray = function() {
+  var results = [];
+  for (var i = 0; i < this.length; i++)
+    results.push(this.charAt(i));
+  return results;
+}
+
+/*--------------------------------------------------------------------------*/
+
+var Builder = {
+  node: function(elementName) {
+    var element = document.createElement('div');
+    element.innerHTML = 
+      "<" + elementName + "></" + elementName + ">";
+
+    // attributes (or text)
+    if(arguments[1])
+      if(this._isStringOrNumber(arguments[1]) ||
+        (arguments[1] instanceof Array)) {
+          this._children(element.firstChild, arguments[1]);
+        } else {
+          var attrs = this._attributes(arguments[1]);
+          if(attrs.length) 
+            element.innerHTML = "<" +elementName + " " +
+              attrs + "></" + elementName + ">";
+        } 
+
+    // text, or array of children
+    if(arguments[2])
+      this._children(element.firstChild, arguments[2]);
+
+     return element.firstChild;
+  },
+  _text: function(text) {
+     return document.createTextNode(text);
+  },
+  _attributes: function(attributes) {
+    var attrs = [];
+    for(attribute in attributes)
+      attrs.push((attribute=='className' ? 'class' : attribute) +
+          '="' + attributes[attribute].toString().escapeHTML() + '"');
+    return attrs.join(" ");
+  },
+  _children: function(element, children) {
+    if(typeof children=='object') { // array can hold nodes and text
+      children.flatten().each( function(e) {
+        if(typeof e=='object')
+          element.appendChild(e)
+        else
+          if(Builder._isStringOrNumber(e))
+            element.appendChild(Builder._text(e));
+      });
+    } else
+      if(Builder._isStringOrNumber(children)) 
+         element.appendChild(Builder._text(children));
+  },
+  _isStringOrNumber: function(param) {
+    return(typeof param=='string' || typeof param=='number');
+  }
+}
+
+/* ------------- element ext -------------- */
+
+// adapted from http://dhtmlkitchen.com/learn/js/setstyle/index4.jsp
+// note: Safari return null on elements with display:none; see http://bugzilla.opendarwin.org/show_bug.cgi?id=4125
+// instead of "auto" values returns null so it's easier to use with || constructs
+
+String.prototype.camelize = function() {
+  var oStringList = this.split('-');
+  if(oStringList.length == 1)    
+    return oStringList[0];
+  var ret = this.indexOf("-") == 0 ? 
+    oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1) : oStringList[0];
+  for(var i = 1, len = oStringList.length; i < len; i++){
+    var s = oStringList[i];
+    ret += s.charAt(0).toUpperCase() + s.substring(1)
+  }
+  return ret;
+}
+
+Element.getStyle = function(element, style) {
+  element = $(element);
+  var value = element.style[style.camelize()];
+  if(!value)
+    if(document.defaultView && document.defaultView.getComputedStyle) {
+      var css = document.defaultView.getComputedStyle(element, null);
+      value = (css!=null) ? css.getPropertyValue(style) : null;
+    } else if(element.currentStyle) {
+      value = element.currentStyle[style.camelize()];
+    }
+  
+  // If top, left, bottom, or right values have been queried, return "auto" for consistency resaons 
+  // if position is "static", as Opera (and others?) returns the pixel values relative to root element 
+  // (or positioning context?)
+  if (window.opera && (style == "left" || style == "top" || style == "right" || style == "bottom"))
+    if (Element.getStyle(element, "position") == "static") value = "auto";
+    
+  if(value=='auto') value = null;
+  return value;
+}
+
+// converts rgb() and #xxx to #xxxxxx format,
+// returns self (or first argument) if not convertable
+String.prototype.parseColor = function() {
+  color = "#";
+  if(this.slice(0,4) == "rgb(") {
+    var cols = this.slice(4,this.length-1).split(',');
+    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
+  } else {
+    if(this.slice(0,1) == '#') {
+      if(this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
+      if(this.length==7) color = this.toLowerCase();
+    }
+  }
+  return(color.length==7 ? color : (arguments[0] || this));
+}
+
+Element.makePositioned = function(element) {
+  element = $(element);
+  var pos = Element.getStyle(element, 'position');
+  if(pos =='static' || !pos) {
+    element._madePositioned = true;
+    element.style.position = "relative";
+    // Opera returns the offset relative to the positioning context, when an element is position relative 
+    // but top and left have not been defined
+    if (window.opera){
+      element.style.top = 0;
+      element.style.left = 0;
+    }  
+  }
+}
+  
+Element.undoPositioned = function(element) {
+  element = $(element);
+  if(typeof element._madePositioned != "undefined"){
+    element._madePositioned = undefined;
+    element.style.position = "";
+    element.style.top = "";
+    element.style.left = "";
+    element.style.bottom = "";
+    element.style.right = "";	  
+  }
+}
+
+Element.makeClipping = function(element) {
+  element = $(element);
+  if (typeof element._overflow != 'undefined') return;
+  element._overflow = element.style.overflow;
+  if((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') element.style.overflow = 'hidden';
+}
+
+Element.undoClipping = function(element) {
+  element = $(element);
+  if (typeof element._overflow == 'undefined') return;
+  element.style.overflow = element._overflow;
+  element._overflow = undefined;
+}
+
+Element.collectTextNodesIgnoreClass = function(element, ignoreclass) {
+  var children = $(element).childNodes;
+  var text     = "";
+  var classtest = new RegExp("^([^ ]+ )*" + ignoreclass+ "( [^ ]+)*$","i");
+
+  for (var i = 0; i < children.length; i++) {
+    if(children[i].nodeType==3) {
+      text+=children[i].nodeValue;
+    } else {
+      if((!children[i].className.match(classtest)) && children[i].hasChildNodes())
+        text += Element.collectTextNodesIgnoreClass(children[i], ignoreclass);
+    }
+  }
+
+  return text;
+}
+
+Element.setContentZoom = function(element, percent) {
+  element = $(element);
+  element.style.fontSize = (percent/100) + "em";  
+  if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
+}
+
+Element.getOpacity = function(element){
+  return parseFloat(Element.getStyle(element, "opacity") || '1');
+}
+
+Element.setOpacity = function(element, value){
+  element= $(element);
+  var els = element.style;
+  if (value == 1){
+    els.opacity = '0.999999';
+    els.filter  = null;
+  } else {
+    if(value < 0.00001) value = 0;
+    els.opacity = value;
+    els.filter  = "alpha(opacity:"+value*100+")";
+  }  
+}
+
+Element.getInlineOpacity = function(element){
+  element= $(element);
+  var op;
+  op = element.style.opacity;
+  if (typeof op != "undefined" && op != "") return op;
+  return "";
+}
+
+Element.setInlineOpacity = function(element, value){
+  element= $(element);
+  var els = element.style;
+  els.opacity = value;
+}
+
+Element.getDimensions = function(element){
+  element = $(element);
+  // All *Width and *Height properties give 0 on elements with display "none", so enable the element temporarily
+  if (element.style.display == "none"){
+    var originalVisibility = element.style.visibility;
+    var originalPosition = element.style.position;
+    element.style.visibility = "hidden";
+    element.style.position = "absolute";
+    element.style.display = "";
+    var originalWidth = element.clientWidth;
+    var originalHeight = element.clientHeight;
+    element.style.display = "none";
+    element.style.position = originalPosition;
+    element.style.visibility = originalVisibility;
+    return {width: originalWidth, height: originalHeight};    
+  } else {
+    return {width: element.offsetWidth, height: element.offsetHeight};
+  }
+} 
+
+/*--------------------------------------------------------------------------*/
+
+Position.positionedOffset = function(element) {
+  var valueT = 0, valueL = 0;
+  do {
+    valueT += element.offsetTop  || 0;
+    valueL += element.offsetLeft || 0;
+    element = element.offsetParent;
+    if (element) {
+      p = Element.getStyle(element,'position');
+      if(p == 'relative' || p == 'absolute') break;
+    }
+  } while (element);
+  return [valueL, valueT];
+}
+
+// Safari returns margins on body which is incorrect if the child is absolutely positioned.
+// for performance reasons, we create a specialized version of Position.cumulativeOffset for
+// KHTML/WebKit only
+
+if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
+  Position.cumulativeOffset = function(element) {
+    var valueT = 0, valueL = 0;
+    do {
+      valueT += element.offsetTop  || 0;
+      valueL += element.offsetLeft || 0;
+      
+      if (element.offsetParent==document.body) 
+        if (Element.getStyle(element,'position')=='absolute') break;
+        
+      element = element.offsetParent;
+    } while (element);
+    return [valueL, valueT];
+  }
+}
+
+Position.page = function(forElement) {
+  var valueT = 0, valueL = 0;
+
+  var element = forElement;
+  do {
+    valueT += element.offsetTop  || 0;
+    valueL += element.offsetLeft || 0;
+
+    // Safari fix
+    if (element.offsetParent==document.body)
+      if (Element.getStyle(element,'position')=='absolute') break;
+      
+  } while (element = element.offsetParent);
+
+  element = forElement;
+  do {
+    valueT -= element.scrollTop  || 0;
+    valueL -= element.scrollLeft || 0;    
+  } while (element = element.parentNode);
+
+  return [valueL, valueT];
+}
+
+// elements with display:none don't return an offsetParent, 
+// fall back to  manual calculation
+Position.offsetParent = function(element) {
+  if(element.offsetParent) return element.offsetParent;
+  if(element == document.body) return element;
+  
+  while ((element = element.parentNode) && element != document.body)
+    if (Element.getStyle(element,'position')!='static')
+      return element;
+  
+  return document.body;
+}
+
+Position.clone = function(source, target) {
+  var options = Object.extend({
+    setLeft:    true,
+    setTop:     true,
+    setWidth:   true,
+    setHeight:  true,
+    offsetTop:  0,
+    offsetLeft: 0
+  }, arguments[2] || {})
+  
+  // find page position of source
+  source = $(source);
+  var p = Position.page(source);
+
+  // find coordinate system to use
+  target = $(target);
+  var delta = [0, 0];
+  var parent = null;
+  // delta [0,0] will do fine with position: fixed elements, 
+  // position:absolute needs offsetParent deltas
+  if (Element.getStyle(target,'position') == 'absolute') {
+    parent = Position.offsetParent(target);
+    delta = Position.page(parent);
+  }
+  
+  // correct by body offsets (fixes Safari)
+  if (parent==document.body) {
+    delta[0] -= document.body.offsetLeft;
+    delta[1] -= document.body.offsetTop; 
+  }
+
+  // set position
+  if(options.setLeft)   target.style.left  = (p[0] - delta[0] + options.offsetLeft) + "px";
+  if(options.setTop)    target.style.top   = (p[1] - delta[1] + options.offsetTop) + "px";
+  if(options.setWidth)  target.style.width = source.offsetWidth + "px";
+  if(options.setHeight) target.style.height = source.offsetHeight + "px";
+}
+
+Position.absolutize = function(element) {
+  element = $(element);
+  if(element.style.position=='absolute') return;
+  Position.prepare();
+
+  var offsets = Position.positionedOffset(element);
+  var top     = offsets[1];
+  var left    = offsets[0];
+  var width   = element.clientWidth;
+  var height  = element.clientHeight;
+
+  element._originalLeft   = left - parseFloat(element.style.left  || 0);
+  element._originalTop    = top  - parseFloat(element.style.top || 0);
+  element._originalWidth  = element.style.width;
+  element._originalHeight = element.style.height;
+
+  element.style.position = 'absolute';
+  element.style.top    = top + 'px';;
+  element.style.left   = left + 'px';;
+  element.style.width  = width + 'px';;
+  element.style.height = height + 'px';;
+}
+
+Position.relativize = function(element) {
+  element = $(element);
+  if(element.style.position=='relative') return;
+  Position.prepare();
+
+  element.style.position = 'relative';
+  var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
+  var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
+
+  element.style.top    = top + 'px';
+  element.style.left   = left + 'px';
+  element.style.height = element._originalHeight;
+  element.style.width  = element._originalWidth;
+}
+
+/*--------------------------------------------------------------------------*/
+
+Element.Class = {
+    // Element.toggleClass(element, className) toggles the class being on/off
+    // Element.toggleClass(element, className1, className2) toggles between both classes,
+    //   defaulting to className1 if neither exist
+    toggle: function(element, className) {
+      if(Element.Class.has(element, className)) {
+        Element.Class.remove(element, className);
+        if(arguments.length == 3) Element.Class.add(element, arguments[2]);
+      } else {
+        Element.Class.add(element, className);
+        if(arguments.length == 3) Element.Class.remove(element, arguments[2]);
+      }
+    },
+
+    // gets space-delimited classnames of an element as an array
+    get: function(element) {
+      element = $(element);
+      return element.className.split(' ');
+    },
+
+    // functions adapted from original functions by Gavin Kistner
+    remove: function(element) {
+      element = $(element);
+      var regEx;
+      for(var i = 1; i < arguments.length; i++) {
+        regEx = new RegExp("(^|\\s)" + arguments[i] + "(\\s|$)", 'g');
+        element.className = element.className.replace(regEx, '')
+      }
+    },
+
+    add: function(element) {
+      element = $(element);
+      for(var i = 1; i < arguments.length; i++) {
+        Element.Class.remove(element, arguments[i]);
+        element.className += (element.className.length > 0 ? ' ' : '') + arguments[i];
+      }
+    },
+
+    // returns true if all given classes exist in said element
+    has: function(element) {
+      element = $(element);
+      if(!element || !element.className) return false;
+      var regEx;
+      for(var i = 1; i < arguments.length; i++) {
+        if((typeof arguments[i] == 'object') && 
+          (arguments[i].constructor == Array)) {
+          for(var j = 0; j < arguments[i].length; j++) {
+            regEx = new RegExp("(^|\\s)" + arguments[i][j] + "(\\s|$)");
+            if(!regEx.test(element.className)) return false;
+          }
+        } else {
+          regEx = new RegExp("(^|\\s)" + arguments[i] + "(\\s|$)");
+          if(!regEx.test(element.className)) return false;
+        }
+      }
+      return true;
+    },
+
+    // expects arrays of strings and/or strings as optional paramters
+    // Element.Class.has_any(element, ['classA','classB','classC'], 'classD')
+    has_any: function(element) {
+      element = $(element);
+      if(!element || !element.className) return false;
+      var regEx;
+      for(var i = 1; i < arguments.length; i++) {
+        if((typeof arguments[i] == 'object') && 
+          (arguments[i].constructor == Array)) {
+          for(var j = 0; j < arguments[i].length; j++) {
+            regEx = new RegExp("(^|\\s)" + arguments[i][j] + "(\\s|$)");
+            if(regEx.test(element.className)) return true;
+          }
+        } else {
+          regEx = new RegExp("(^|\\s)" + arguments[i] + "(\\s|$)");
+          if(regEx.test(element.className)) return true;
+        }
+      }
+      return false;
+    },
+
+    childrenWith: function(element, className) {
+      var children = $(element).getElementsByTagName('*');
+      var elements = new Array();
+
+      for (var i = 0; i < children.length; i++)
+        if (Element.Class.has(children[i], className))
+          elements.push(children[i]);
+
+      return elements;
+    }
+}
\ No newline at end of file
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