tor-browser

controls.js (30501B)

---

// script.aculo.us controls.js v1.7.1_beta2, Tue May 15 15:15:45 EDT 2007

// Copyright (c) 2005-2007 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//           (c) 2005-2007 Ivan Krstic (http://blogs.law.harvard.edu/ivan)
//           (c) 2005-2007 Jon Tirsen (http://www.tirsen.com)
// Contributors:
//  Richard Livsey
//  Rahul Bhargava
//  Rob Wills
// 
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

// Autocompleter.Base handles all the autocompletion functionality 
// that's independent of the data source for autocompletion. This
// includes drawing the autocompletion menu, observing keyboard
// and mouse events, and similar.
//
// Specific autocompleters need to provide, at the very least, 
// a getUpdatedChoices function that will be invoked every time
// the text inside the monitored textbox changes. This method 
// should get the text for which to provide autocompletion by
// invoking this.getToken(), NOT by directly accessing
// this.element.value. This is to allow incremental tokenized
// autocompletion. Specific auto-completion logic (AJAX, etc)
// belongs in getUpdatedChoices.
//
// Tokenized incremental autocompletion is enabled automatically
// when an autocompleter is instantiated with the 'tokens' option
// in the options parameter, e.g.:
// new Ajax.Autocompleter('id','upd', '/url/', { tokens: ',' });
// will incrementally autocomplete with a comma as the token.
// Additionally, ',' in the above example can be replaced with
// a token array, e.g. { tokens: [',', '\n'] } which
// enables autocompletion on multiple tokens. This is most 
// useful when one of the tokens is \n (a newline), as it 
// allows smart autocompletion after linebreaks.

if(typeof Effect == 'undefined')
 throw("controls.js requires including script.aculo.us' effects.js library");

var Autocompleter = {}
Autocompleter.Base = function() {};
Autocompleter.Base.prototype = {
 baseInitialize: function(element, update, options) {
   element          = $(element)
   this.element     = element; 
   this.update      = $(update);  
   this.hasFocus    = false; 
   this.changed     = false; 
   this.active      = false; 
   this.index       = 0;     
   this.entryCount  = 0;

   if(this.setOptions)
     this.setOptions(options);
   else
     this.options = options || {};

   this.options.paramName    = this.options.paramName || this.element.name;
   this.options.tokens       = this.options.tokens || [];
   this.options.frequency    = this.options.frequency || 0.4;
   this.options.minChars     = this.options.minChars || 1;
   this.options.onShow       = this.options.onShow || 
     function(element, update){ 
       if(!update.style.position || update.style.position=='absolute') {
         update.style.position = 'absolute';
         Position.clone(element, update, {
           setHeight: false, 
           offsetTop: element.offsetHeight
         });
       }
       Effect.Appear(update,{duration:0.15});
     };
   this.options.onHide = this.options.onHide || 
     function(element, update){ new Effect.Fade(update,{duration:0.15}) };

   if(typeof(this.options.tokens) == 'string') 
     this.options.tokens = new Array(this.options.tokens);

   this.observer = null;
   
   this.element.setAttribute('autocomplete','off');

   Element.hide(this.update);

   Event.observe(this.element, 'blur', this.onBlur.bindAsEventListener(this));
   Event.observe(this.element, 'keypress', this.onKeyPress.bindAsEventListener(this));

   // Turn autocomplete back on when the user leaves the page, so that the
   // field's value will be remembered on Mozilla-based browsers.
   Event.observe(window, 'beforeunload', function(){ 
     element.setAttribute('autocomplete', 'on'); 
   });
 },

 show: function() {
   if(Element.getStyle(this.update, 'display')=='none') this.options.onShow(this.element, this.update);
   if(!this.iefix && 
     (Prototype.Browser.IE) &&
     (Element.getStyle(this.update, 'position')=='absolute')) {
     new Insertion.After(this.update, 
      '<iframe id="' + this.update.id + '_iefix" '+
      'style="display:none;position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" ' +
      'src="javascript:false;" frameborder="0" scrolling="no"></iframe>');
     this.iefix = $(this.update.id+'_iefix');
   }
   if(this.iefix) setTimeout(this.fixIEOverlapping.bind(this), 50);
 },
 
 fixIEOverlapping: function() {
   Position.clone(this.update, this.iefix, {setTop:(!this.update.style.height)});
   this.iefix.style.zIndex = 1;
   this.update.style.zIndex = 2;
   Element.show(this.iefix);
 },

 hide: function() {
   this.stopIndicator();
   if(Element.getStyle(this.update, 'display')!='none') this.options.onHide(this.element, this.update);
   if(this.iefix) Element.hide(this.iefix);
 },

 startIndicator: function() {
   if(this.options.indicator) Element.show(this.options.indicator);
 },

 stopIndicator: function() {
   if(this.options.indicator) Element.hide(this.options.indicator);
 },

 onKeyPress: function(event) {
   if(this.active)
     switch(event.keyCode) {
      case Event.KEY_TAB:
      case Event.KEY_RETURN:
        this.selectEntry();
        Event.stop(event);
      case Event.KEY_ESC:
        this.hide();
        this.active = false;
        Event.stop(event);
        return;
      case Event.KEY_LEFT:
      case Event.KEY_RIGHT:
        return;
      case Event.KEY_UP:
        this.markPrevious();
        this.render();
        if(Prototype.Browser.WebKit) Event.stop(event);
        return;
      case Event.KEY_DOWN:
        this.markNext();
        this.render();
        if(Prototype.Browser.WebKit) Event.stop(event);
        return;
     }
    else 
      if(event.keyCode==Event.KEY_TAB || event.keyCode==Event.KEY_RETURN || 
        (Prototype.Browser.WebKit > 0 && event.keyCode == 0)) return;

   this.changed = true;
   this.hasFocus = true;

   if(this.observer) clearTimeout(this.observer);
     this.observer = 
       setTimeout(this.onObserverEvent.bind(this), this.options.frequency*1000);
 },

 activate: function() {
   this.changed = false;
   this.hasFocus = true;
   this.getUpdatedChoices();
 },

 onHover: function(event) {
   var element = Event.findElement(event, 'LI');
   if(this.index != element.autocompleteIndex) 
   {
       this.index = element.autocompleteIndex;
       this.render();
   }
   Event.stop(event);
 },
 
 onClick: function(event) {
   var element = Event.findElement(event, 'LI');
   this.index = element.autocompleteIndex;
   this.selectEntry();
   this.hide();
 },
 
 onBlur: function(event) {
   // needed to make click events working
   setTimeout(this.hide.bind(this), 250);
   this.hasFocus = false;
   this.active = false;     
 }, 
 
 render: function() {
   if(this.entryCount > 0) {
     for (var i = 0; i < this.entryCount; i++)
       this.index==i ? 
         Element.addClassName(this.getEntry(i),"selected") : 
         Element.removeClassName(this.getEntry(i),"selected");
     if(this.hasFocus) { 
       this.show();
       this.active = true;
     }
   } else {
     this.active = false;
     this.hide();
   }
 },
 
 markPrevious: function() {
   if(this.index > 0) this.index--
     else this.index = this.entryCount-1;
   this.getEntry(this.index).scrollIntoView(true);
 },
 
 markNext: function() {
   if(this.index < this.entryCount-1) this.index++
     else this.index = 0;
   this.getEntry(this.index).scrollIntoView(false);
 },
 
 getEntry: function(index) {
   return this.update.firstChild.childNodes[index];
 },
 
 getCurrentEntry: function() {
   return this.getEntry(this.index);
 },
 
 selectEntry: function() {
   this.active = false;
   this.updateElement(this.getCurrentEntry());
 },

 updateElement: function(selectedElement) {
   if (this.options.updateElement) {
     this.options.updateElement(selectedElement);
     return;
   }
   var value = '';
   if (this.options.select) {
     var nodes = document.getElementsByClassName(this.options.select, selectedElement) || [];
     if(nodes.length>0) value = Element.collectTextNodes(nodes[0], this.options.select);
   } else
     value = Element.collectTextNodesIgnoreClass(selectedElement, 'informal');
   
   var lastTokenPos = this.findLastToken();
   if (lastTokenPos != -1) {
     var newValue = this.element.value.substr(0, lastTokenPos + 1);
     var whitespace = this.element.value.substr(lastTokenPos + 1).match(/^\s+/);
     if (whitespace)
       newValue += whitespace[0];
     this.element.value = newValue + value;
   } else {
     this.element.value = value;
   }
   this.element.focus();
   
   if (this.options.afterUpdateElement)
     this.options.afterUpdateElement(this.element, selectedElement);
 },

 updateChoices: function(choices) {
   if(!this.changed && this.hasFocus) {
     this.update.innerHTML = choices;
     Element.cleanWhitespace(this.update);
     Element.cleanWhitespace(this.update.down());

     if(this.update.firstChild && this.update.down().childNodes) {
       this.entryCount = 
         this.update.down().childNodes.length;
       for (var i = 0; i < this.entryCount; i++) {
         var entry = this.getEntry(i);
         entry.autocompleteIndex = i;
         this.addObservers(entry);
       }
     } else { 
       this.entryCount = 0;
     }

     this.stopIndicator();
     this.index = 0;
     
     if(this.entryCount==1 && this.options.autoSelect) {
       this.selectEntry();
       this.hide();
     } else {
       this.render();
     }
   }
 },

 addObservers: function(element) {
   Event.observe(element, "mouseover", this.onHover.bindAsEventListener(this));
   Event.observe(element, "click", this.onClick.bindAsEventListener(this));
 },

 onObserverEvent: function() {
   this.changed = false;   
   if(this.getToken().length>=this.options.minChars) {
     this.getUpdatedChoices();
   } else {
     this.active = false;
     this.hide();
   }
 },

 getToken: function() {
   var tokenPos = this.findLastToken();
   if (tokenPos != -1)
     var ret = this.element.value.substr(tokenPos + 1).replace(/^\s+/,'').replace(/\s+$/,'');
   else
     var ret = this.element.value;

   return /\n/.test(ret) ? '' : ret;
 },

 findLastToken: function() {
   var lastTokenPos = -1;

   for (var i=0; i<this.options.tokens.length; i++) {
     var thisTokenPos = this.element.value.lastIndexOf(this.options.tokens[i]);
     if (thisTokenPos > lastTokenPos)
       lastTokenPos = thisTokenPos;
   }
   return lastTokenPos;
 }
}

Ajax.Autocompleter = Class.create();
Object.extend(Object.extend(Ajax.Autocompleter.prototype, Autocompleter.Base.prototype), {
 initialize: function(element, update, url, options) {
   this.baseInitialize(element, update, options);
   this.options.asynchronous  = true;
   this.options.onComplete    = this.onComplete.bind(this);
   this.options.defaultParams = this.options.parameters || null;
   this.url                   = url;
 },

 getUpdatedChoices: function() {
   this.startIndicator();
   
   var entry = encodeURIComponent(this.options.paramName) + '=' + 
     encodeURIComponent(this.getToken());

   this.options.parameters = this.options.callback ?
     this.options.callback(this.element, entry) : entry;

   if(this.options.defaultParams) 
     this.options.parameters += '&' + this.options.defaultParams;
   
   new Ajax.Request(this.url, this.options);
 },

 onComplete: function(request) {
   this.updateChoices(request.responseText);
 }

});

// The local array autocompleter. Used when you'd prefer to
// inject an array of autocompletion options into the page, rather
// than sending out Ajax queries, which can be quite slow sometimes.
//
// The constructor takes four parameters. The first two are, as usual,
// the id of the monitored textbox, and id of the autocompletion menu.
// The third is the array you want to autocomplete from, and the fourth
// is the options block.
//
// Extra local autocompletion options:
// - choices - How many autocompletion choices to offer
//
// - partialSearch - If false, the autocompleter will match entered
//                    text only at the beginning of strings in the 
//                    autocomplete array. Defaults to true, which will
//                    match text at the beginning of any *word* in the
//                    strings in the autocomplete array. If you want to
//                    search anywhere in the string, additionally set
//                    the option fullSearch to true (default: off).
//
// - fullSsearch - Search anywhere in autocomplete array strings.
//
// - partialChars - How many characters to enter before triggering
//                   a partial match (unlike minChars, which defines
//                   how many characters are required to do any match
//                   at all). Defaults to 2.
//
// - ignoreCase - Whether to ignore case when autocompleting.
//                 Defaults to true.
//
// It's possible to pass in a custom function as the 'selector' 
// option, if you prefer to write your own autocompletion logic.
// In that case, the other options above will not apply unless
// you support them.

Autocompleter.Local = Class.create();
Autocompleter.Local.prototype = Object.extend(new Autocompleter.Base(), {
 initialize: function(element, update, array, options) {
   this.baseInitialize(element, update, options);
   this.options.array = array;
 },

 getUpdatedChoices: function() {
   this.updateChoices(this.options.selector(this));
 },

 setOptions: function(options) {
   this.options = Object.extend({
     choices: 10,
     partialSearch: true,
     partialChars: 2,
     ignoreCase: true,
     fullSearch: false,
     selector: function(instance) {
       var ret       = []; // Beginning matches
       var partial   = []; // Inside matches
       var entry     = instance.getToken();
       var count     = 0;

       for (var i = 0; i < instance.options.array.length &&  
         ret.length < instance.options.choices ; i++) { 

         var elem = instance.options.array[i];
         var foundPos = instance.options.ignoreCase ? 
           elem.toLowerCase().indexOf(entry.toLowerCase()) : 
           elem.indexOf(entry);

         while (foundPos != -1) {
           if (foundPos == 0 && elem.length != entry.length) { 
             ret.push("<li><strong>" + elem.substr(0, entry.length) + "</strong>" + 
               elem.substr(entry.length) + "</li>");
             break;
           } else if (entry.length >= instance.options.partialChars && 
             instance.options.partialSearch && foundPos != -1) {
             if (instance.options.fullSearch || /\s/.test(elem.substr(foundPos-1,1))) {
               partial.push("<li>" + elem.substr(0, foundPos) + "<strong>" +
                 elem.substr(foundPos, entry.length) + "</strong>" + elem.substr(
                 foundPos + entry.length) + "</li>");
               break;
             }
           }

           foundPos = instance.options.ignoreCase ? 
             elem.toLowerCase().indexOf(entry.toLowerCase(), foundPos + 1) : 
             elem.indexOf(entry, foundPos + 1);

         }
       }
       if (partial.length)
         ret = ret.concat(partial.slice(0, instance.options.choices - ret.length))
       return "<ul>" + ret.join('') + "</ul>";
     }
   }, options || {});
 }
});

// AJAX in-place editor
//
// see documentation on http://wiki.script.aculo.us/scriptaculous/show/Ajax.InPlaceEditor

// Use this if you notice weird scrolling problems on some browsers,
// the DOM might be a bit confused when this gets called so do this
// waits 1 ms (with setTimeout) until it does the activation
Field.scrollFreeActivate = function(field) {
 setTimeout(function() {
   Field.activate(field);
 }, 1);
}

Ajax.InPlaceEditor = Class.create();
Ajax.InPlaceEditor.defaultHighlightColor = "#FFFF99";
Ajax.InPlaceEditor.prototype = {
 initialize: function(element, url, options) {
   this.url = url;
   this.element = $(element);

   this.options = Object.extend({
     paramName: "value",
     okButton: true,
     okLink: false,
     okText: "ok",
     cancelButton: false,
     cancelLink: true,
     cancelText: "cancel",
     textBeforeControls: '',
     textBetweenControls: '',
     textAfterControls: '',
     savingText: "Saving...",
     clickToEditText: "Click to edit",
     okText: "ok",
     rows: 1,
     onComplete: function(transport, element) {
       new Effect.Highlight(element, {startcolor: this.options.highlightcolor});
     },
     onFailure: function(transport) {
       alert("Error communicating with the server: " + transport.responseText.stripTags());
     },
     callback: function(form) {
       return Form.serialize(form);
     },
     handleLineBreaks: true,
     loadingText: 'Loading...',
     savingClassName: 'inplaceeditor-saving',
     loadingClassName: 'inplaceeditor-loading',
     formClassName: 'inplaceeditor-form',
     highlightcolor: Ajax.InPlaceEditor.defaultHighlightColor,
     highlightendcolor: "#FFFFFF",
     externalControl: null,
     submitOnBlur: false,
     ajaxOptions: {},
     evalScripts: false
   }, options || {});

   if(!this.options.formId && this.element.id) {
     this.options.formId = this.element.id + "-inplaceeditor";
     if ($(this.options.formId)) {
       // there's already a form with that name, don't specify an id
       this.options.formId = null;
     }
   }
   
   if (this.options.externalControl) {
     this.options.externalControl = $(this.options.externalControl);
   }
   
   this.originalBackground = Element.getStyle(this.element, 'background-color');
   if (!this.originalBackground) {
     this.originalBackground = "transparent";
   }
   
   this.element.title = this.options.clickToEditText;
   
   this.onclickListener = this.enterEditMode.bindAsEventListener(this);
   this.mouseoverListener = this.enterHover.bindAsEventListener(this);
   this.mouseoutListener = this.leaveHover.bindAsEventListener(this);
   Event.observe(this.element, 'click', this.onclickListener);
   Event.observe(this.element, 'mouseover', this.mouseoverListener);
   Event.observe(this.element, 'mouseout', this.mouseoutListener);
   if (this.options.externalControl) {
     Event.observe(this.options.externalControl, 'click', this.onclickListener);
     Event.observe(this.options.externalControl, 'mouseover', this.mouseoverListener);
     Event.observe(this.options.externalControl, 'mouseout', this.mouseoutListener);
   }
 },
 enterEditMode: function(evt) {
   if (this.saving) return;
   if (this.editing) return;
   this.editing = true;
   this.onEnterEditMode();
   if (this.options.externalControl) {
     Element.hide(this.options.externalControl);
   }
   Element.hide(this.element);
   this.createForm();
   this.element.parentNode.insertBefore(this.form, this.element);
   if (!this.options.loadTextURL) Field.scrollFreeActivate(this.editField);
   // stop the event to avoid a page refresh in Safari
   if (evt) {
     Event.stop(evt);
   }
   return false;
 },
 createForm: function() {
   this.form = document.createElement("form");
   this.form.id = this.options.formId;
   Element.addClassName(this.form, this.options.formClassName)
   this.form.onsubmit = this.onSubmit.bind(this);

   this.createEditField();

   if (this.options.textarea) {
     var br = document.createElement("br");
     this.form.appendChild(br);
   }
   
   if (this.options.textBeforeControls)
     this.form.appendChild(document.createTextNode(this.options.textBeforeControls));

   if (this.options.okButton) {
     var okButton = document.createElement("input");
     okButton.type = "submit";
     okButton.value = this.options.okText;
     okButton.className = 'editor_ok_button';
     this.form.appendChild(okButton);
   }
   
   if (this.options.okLink) {
     var okLink = document.createElement("a");
     okLink.href = "#";
     okLink.appendChild(document.createTextNode(this.options.okText));
     okLink.onclick = this.onSubmit.bind(this);
     okLink.className = 'editor_ok_link';
     this.form.appendChild(okLink);
   }
   
   if (this.options.textBetweenControls && 
     (this.options.okLink || this.options.okButton) && 
     (this.options.cancelLink || this.options.cancelButton))
     this.form.appendChild(document.createTextNode(this.options.textBetweenControls));
     
   if (this.options.cancelButton) {
     var cancelButton = document.createElement("input");
     cancelButton.type = "submit";
     cancelButton.value = this.options.cancelText;
     cancelButton.onclick = this.onclickCancel.bind(this);
     cancelButton.className = 'editor_cancel_button';
     this.form.appendChild(cancelButton);
   }

   if (this.options.cancelLink) {
     var cancelLink = document.createElement("a");
     cancelLink.href = "#";
     cancelLink.appendChild(document.createTextNode(this.options.cancelText));
     cancelLink.onclick = this.onclickCancel.bind(this);
     cancelLink.className = 'editor_cancel editor_cancel_link';      
     this.form.appendChild(cancelLink);
   }
   
   if (this.options.textAfterControls)
     this.form.appendChild(document.createTextNode(this.options.textAfterControls));
 },
 hasHTMLLineBreaks: function(string) {
   if (!this.options.handleLineBreaks) return false;
   return string.match(/<br/i) || string.match(/<p>/i);
 },
 convertHTMLLineBreaks: function(string) {
   return string.replace(/<br>/gi, "\n").replace(/<br\/>/gi, "\n").replace(/<\/p>/gi, "\n").replace(/<p>/gi, "");
 },
 createEditField: function() {
   var text;
   if(this.options.loadTextURL) {
     text = this.options.loadingText;
   } else {
     text = this.getText();
   }

   var obj = this;
   
   if (this.options.rows == 1 && !this.hasHTMLLineBreaks(text)) {
     this.options.textarea = false;
     var textField = document.createElement("input");
     textField.obj = this;
     textField.type = "text";
     textField.name = this.options.paramName;
     textField.value = text;
     textField.style.backgroundColor = this.options.highlightcolor;
     textField.className = 'editor_field';
     var size = this.options.size || this.options.cols || 0;
     if (size != 0) textField.size = size;
     if (this.options.submitOnBlur)
       textField.onblur = this.onSubmit.bind(this);
     this.editField = textField;
   } else {
     this.options.textarea = true;
     var textArea = document.createElement("textarea");
     textArea.obj = this;
     textArea.name = this.options.paramName;
     textArea.value = this.convertHTMLLineBreaks(text);
     textArea.rows = this.options.rows;
     textArea.cols = this.options.cols || 40;
     textArea.className = 'editor_field';      
     if (this.options.submitOnBlur)
       textArea.onblur = this.onSubmit.bind(this);
     this.editField = textArea;
   }
   
   if(this.options.loadTextURL) {
     this.loadExternalText();
   }
   this.form.appendChild(this.editField);
 },
 getText: function() {
   return this.element.innerHTML;
 },
 loadExternalText: function() {
   Element.addClassName(this.form, this.options.loadingClassName);
   this.editField.disabled = true;
   new Ajax.Request(
     this.options.loadTextURL,
     Object.extend({
       asynchronous: true,
       onComplete: this.onLoadedExternalText.bind(this)
     }, this.options.ajaxOptions)
   );
 },
 onLoadedExternalText: function(transport) {
   Element.removeClassName(this.form, this.options.loadingClassName);
   this.editField.disabled = false;
   this.editField.value = transport.responseText.stripTags();
   Field.scrollFreeActivate(this.editField);
 },
 onclickCancel: function() {
   this.onComplete();
   this.leaveEditMode();
   return false;
 },
 onFailure: function(transport) {
   this.options.onFailure(transport);
   if (this.oldInnerHTML) {
     this.element.innerHTML = this.oldInnerHTML;
     this.oldInnerHTML = null;
   }
   return false;
 },
 onSubmit: function() {
   // onLoading resets these so we need to save them away for the Ajax call
   var form = this.form;
   var value = this.editField.value;
   
   // do this first, sometimes the ajax call returns before we get a chance to switch on Saving...
   // which means this will actually switch on Saving... *after* we've left edit mode causing Saving...
   // to be displayed indefinitely
   this.onLoading();
   
   if (this.options.evalScripts) {
     new Ajax.Request(
       this.url, Object.extend({
         parameters: this.options.callback(form, value),
         onComplete: this.onComplete.bind(this),
         onFailure: this.onFailure.bind(this),
         asynchronous:true, 
         evalScripts:true
       }, this.options.ajaxOptions));
   } else  {
     new Ajax.Updater(
       { success: this.element,
         // don't update on failure (this could be an option)
         failure: null }, 
       this.url, Object.extend({
         parameters: this.options.callback(form, value),
         onComplete: this.onComplete.bind(this),
         onFailure: this.onFailure.bind(this)
       }, this.options.ajaxOptions));
   }
   // stop the event to avoid a page refresh in Safari
   if (arguments.length > 1) {
     Event.stop(arguments[0]);
   }
   return false;
 },
 onLoading: function() {
   this.saving = true;
   this.removeForm();
   this.leaveHover();
   this.showSaving();
 },
 showSaving: function() {
   this.oldInnerHTML = this.element.innerHTML;
   this.element.innerHTML = this.options.savingText;
   Element.addClassName(this.element, this.options.savingClassName);
   this.element.style.backgroundColor = this.originalBackground;
   Element.show(this.element);
 },
 removeForm: function() {
   if(this.form) {
     if (this.form.parentNode) Element.remove(this.form);
     this.form = null;
   }
 },
 enterHover: function() {
   if (this.saving) return;
   this.element.style.backgroundColor = this.options.highlightcolor;
   if (this.effect) {
     this.effect.cancel();
   }
   Element.addClassName(this.element, this.options.hoverClassName)
 },
 leaveHover: function() {
   if (this.options.backgroundColor) {
     this.element.style.backgroundColor = this.oldBackground;
   }
   Element.removeClassName(this.element, this.options.hoverClassName)
   if (this.saving) return;
   this.effect = new Effect.Highlight(this.element, {
     startcolor: this.options.highlightcolor,
     endcolor: this.options.highlightendcolor,
     restorecolor: this.originalBackground
   });
 },
 leaveEditMode: function() {
   Element.removeClassName(this.element, this.options.savingClassName);
   this.removeForm();
   this.leaveHover();
   this.element.style.backgroundColor = this.originalBackground;
   Element.show(this.element);
   if (this.options.externalControl) {
     Element.show(this.options.externalControl);
   }
   this.editing = false;
   this.saving = false;
   this.oldInnerHTML = null;
   this.onLeaveEditMode();
 },
 onComplete: function(transport) {
   this.leaveEditMode();
   this.options.onComplete.bind(this)(transport, this.element);
 },
 onEnterEditMode: function() {},
 onLeaveEditMode: function() {},
 dispose: function() {
   if (this.oldInnerHTML) {
     this.element.innerHTML = this.oldInnerHTML;
   }
   this.leaveEditMode();
   Event.stopObserving(this.element, 'click', this.onclickListener);
   Event.stopObserving(this.element, 'mouseover', this.mouseoverListener);
   Event.stopObserving(this.element, 'mouseout', this.mouseoutListener);
   if (this.options.externalControl) {
     Event.stopObserving(this.options.externalControl, 'click', this.onclickListener);
     Event.stopObserving(this.options.externalControl, 'mouseover', this.mouseoverListener);
     Event.stopObserving(this.options.externalControl, 'mouseout', this.mouseoutListener);
   }
 }
};

Ajax.InPlaceCollectionEditor = Class.create();
Object.extend(Ajax.InPlaceCollectionEditor.prototype, Ajax.InPlaceEditor.prototype);
Object.extend(Ajax.InPlaceCollectionEditor.prototype, {
 createEditField: function() {
   if (!this.cached_selectTag) {
     var selectTag = document.createElement("select");
     var collection = this.options.collection || [];
     var optionTag;
     collection.each(function(e,i) {
       optionTag = document.createElement("option");
       optionTag.value = (e instanceof Array) ? e[0] : e;
       if((typeof this.options.value == 'undefined') && 
         ((e instanceof Array) ? this.element.innerHTML == e[1] : e == optionTag.value)) optionTag.selected = true;
       if(this.options.value==optionTag.value) optionTag.selected = true;
       optionTag.appendChild(document.createTextNode((e instanceof Array) ? e[1] : e));
       selectTag.appendChild(optionTag);
     }.bind(this));
     this.cached_selectTag = selectTag;
   }

   this.editField = this.cached_selectTag;
   if(this.options.loadTextURL) this.loadExternalText();
   this.form.appendChild(this.editField);
   this.options.callback = function(form, value) {
     return "value=" + encodeURIComponent(value);
   }
 }
});

// Delayed observer, like Form.Element.Observer, 
// but waits for delay after last key input
// Ideal for live-search fields

Form.Element.DelayedObserver = Class.create();
Form.Element.DelayedObserver.prototype = {
 initialize: function(element, delay, callback) {
   this.delay     = delay || 0.5;
   this.element   = $(element);
   this.callback  = callback;
   this.timer     = null;
   this.lastValue = $F(this.element); 
   Event.observe(this.element,'keyup',this.delayedListener.bindAsEventListener(this));
 },
 delayedListener: function(event) {
   if(this.lastValue == $F(this.element)) return;
   if(this.timer) clearTimeout(this.timer);
   this.timer = setTimeout(this.onTimerEvent.bind(this), this.delay * 1000);
   this.lastValue = $F(this.element);
 },
 onTimerEvent: function() {
   this.timer = null;
   this.callback(this.element, $F(this.element));
 }
};