// script.aculo.us controls.js v1.7.1_beta3, Fri May 25 17:19:41 +0200 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));
 }
};