<script type="text/javascript">
<!--
/* Prototype JavaScript framework, version 1.3.1
* (c) 2005 Sam Stephenson <sam@conio.net>
*
* THIS FILE IS AUTOMATICALLY GENERATED. When sending patches, please diff
* against the source tree, available from the Prototype darcs repository.
*
* Prototype is freely distributable under the terms of an MIT-style license.
*
* For details, see the Prototype web site: http://prototype.conio.net/
*
/*--------------------------------------------------------------------------*/
var Prototype = {
Version: '1.3.1',
emptyFunction: function() {}
}
var Class = {
create: function() {
return function() {
this.initialize.apply(this, arguments);
}
}
}
var Abstract = new Object();
Object.extend = function(destination, source) {
for (property in source) {
destination[property] = source[property];
}
return destination;
}
Object.prototype.extend = function(object) {
return Object.extend.apply(this, [this, object]);
}
Function.prototype.bind = function(object) {
var __method = this;
return function() {
__method.apply(object, arguments);
}
}
Function.prototype.bindAsEventListener = function(object) {
var __method = this;
return function(event) {
__method.call(object, event || window.event);
}
}
Number.prototype.toColorPart = function() {
var digits = this.toString(16);
if (this < 16) return '0' + digits;
return digits;
}
var Try = {
these: function() {
var returnValue;
for (var i = 0; i < arguments.length; i++) {
var lambda = arguments[i];
try {
returnValue = lambda();
break;
} catch (e) {}
}
return returnValue;
}
}
/*--------------------------------------------------------------------------*/
var PeriodicalExecuter = Class.create();
PeriodicalExecuter.prototype = {
initialize: function(callback, frequency) {
this.callback = callback;
this.frequency = frequency;
this.currentlyExecuting = false;
this.registerCallback();
},
registerCallback: function() {
setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
},
onTimerEvent: function() {
if (!this.currentlyExecuting) {
try {
this.currentlyExecuting = true;
this.callback();
} finally {
this.currentlyExecuting = false;
}
}
}
}
/*--------------------------------------------------------------------------*/
function $() {
var elements = new Array();
for (var i = 0; i < arguments.length; i++) {
var element = arguments[i];
if (typeof element == 'string')
element = document.getElementById(element);
if (arguments.length == 1)
return element;
elements.push(element);
}
return elements;
}
if (!Array.prototype.push) {
Array.prototype.push = function() {
var startLength = this.length;
for (var i = 0; i < arguments.length; i++)
this[startLength + i] = arguments[i];
return this.length;
}
}
if (!Function.prototype.apply) {
// Based on code from http://www.youngpup.net/
Function.prototype.apply = function(object, parameters) {
var parameterStrings = new Array();
if (!object) object = window;
if (!parameters) parameters = new Array();
for (var i = 0; i < parameters.length; i++)
parameterStrings[i] = 'parameters[' + i + ']';
object.__apply__ = this;
var result = eval('object.__apply__(' +
parameterStrings[i].join(', ') + ')');
object.__apply__ = null;
return result;
}
}
String.prototype.extend({
stripTags: function() {
return this.replace(/<\/?[^>]+>/gi, '');
},
escapeHTML: function() {
var div = document.createElement('div');
var text = document.createTextNode(this);
div.appendChild(text);
return div.innerHTML;
},
unescapeHTML: function() {
var div = document.createElement('div');
div.innerHTML = this.stripTags();
return div.childNodes[0].nodeValue;
}
});
var Ajax = {
getTransport: function() {
return Try.these(
function() {return new ActiveXObject('Msxml2.XMLHTTP')},
function() {return new ActiveXObject('Microsoft.XMLHTTP')},
function() {return new XMLHttpRequest()}
) || false;
}
}
Ajax.Base = function() {};
Ajax.Base.prototype = {
setOptions: function(options) {
this.options = {
method: 'post',
asynchronous: true,
parameters: ''
}.extend(options || {});
},
responseIsSuccess: function() {
return this.transport.status == undefined
|| this.transport.status == 0
|| (this.transport.status >= 200 && this.transport.status < 300);
},
responseIsFailure: function() {
return !this.responseIsSuccess();
}
}
Ajax.Request = Class.create();
Ajax.Request.Events =
['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
Ajax.Request.prototype = (new Ajax.Base()).extend({
initialize: function(url, options) {
this.transport = Ajax.getTransport();
this.setOptions(options);
this.request(url);
},
request: function(url) {
var parameters = this.options.parameters || '';
if (parameters.length > 0) parameters += '&_=';
try {
if (this.options.method == 'get')
url += '?' + parameters;
this.transport.open(this.options.method, url,
this.options.asynchronous);
if (this.options.asynchronous) {
this.transport.onreadystatechange = this.onStateChange.bind(this);
setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
}
this.setRequestHeaders();
var body = this.options.postBody ? this.options.postBody : parameters;
this.transport.send(this.options.method == 'post' ? body : null);
} catch (e) {
}
},
setRequestHeaders: function() {
var requestHeaders =
['X-Requested-With', 'XMLHttpRequest',
'X-Prototype-Version', Prototype.Version];
if (this.options.method == 'post') {
requestHeaders.push('Content-type',
'application/x-www-form-urlencoded');
/* Force "Connection: close" for Mozilla browsers to work around
* a bug where XMLHttpReqeuest sends an incorrect Content-length
* header. See Mozilla Bugzilla #246651.
*/
if (this.transport.overrideMimeType)
requestHeaders.push('Connection', 'close');
}
if (this.options.requestHeaders)
requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);
for (var i = 0; i < requestHeaders.length; i += 2)
this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
},
onStateChange: function() {
var readyState = this.transport.readyState;
if (readyState != 1)
this.respondToReadyState(this.transport.readyState);
},
respondToReadyState: function(readyState) {
var event = Ajax.Request.Events[readyState];
if (event == 'Complete')
(this.options['on' + this.transport.status]
|| this.options['on' + this.responseIsSuccess() ? 'Success' : 'Failure']
|| Prototype.emptyFunction)(this.transport);
(this.options['on' + event] || Prototype.emptyFunction)(this.transport);
/* Avoid memory leak in MSIE: clean up the oncomplete event handler */
if (event == 'Complete')
this.transport.onreadystatechange = Prototype.emptyFunction;
}
});
Ajax.Updater = Class.create();
Ajax.Updater.ScriptFragment = '(?:<script.*?>)((\n|.)*?)(?:<\/script>)';
Ajax.Updater.prototype.extend(Ajax.Request.prototype).extend({
initialize: function(container, url, options) {
this.containers = {
success: container.success ? $(container.success) : $(container),
failure: container.failure ? $(container.failure) :
(container.success ? null : $(container))
}
this.transport = Ajax.getTransport();
this.setOptions(options);
var onComplete = this.options.onComplete || Prototype.emptyFunction;
this.options.onComplete = (function() {
this.updateContent();
onComplete(this.transport);
}).bind(this);
this.request(url);
},
updateContent: function() {
var receiver = this.responseIsSuccess() ?
this.containers.success : this.containers.failure;
var match = new RegExp(Ajax.Updater.ScriptFragment, 'img');
var response = this.transport.responseText.replace(match, '');
var scripts = this.transport.responseText.match(match);
if (receiver) {
if (this.options.insertion) {
new this.options.insertion(receiver, response);
} else {
receiver.innerHTML = response;
}
}
if (this.responseIsSuccess()) {
if (this.onComplete)
setTimeout((function() {this.onComplete(
this.transport)}).bind(this), 10);
}
if (this.options.evalScripts && scripts) {
match = new RegExp(Ajax.Updater.ScriptFragment, 'im');
setTimeout((function() {
for (var i = 0; i < scripts.length; i++)
eval(scripts[i].match(match)[1]);
}).bind(this), 10);
}
}
});
Ajax.PeriodicalUpdater = Class.create();
Ajax.PeriodicalUpdater.prototype = (new Ajax.Base()).extend({
initialize: function(container, url, options) {
this.setOptions(options);
this.onComplete = this.options.onComplete;
this.frequency = (this.options.frequency || 2);
this.decay = 1;
this.updater = {};
this.container = container;
this.url = url;
this.start();
},
start: function() {
this.options.onComplete = this.updateComplete.bind(this);
this.onTimerEvent();
},
stop: function() {
this.updater.onComplete = undefined;
clearTimeout(this.timer);
(this.onComplete || Ajax.emptyFunction).apply(this, arguments);
},
updateComplete: function(request) {
if (this.options.decay) {
this.decay = (request.responseText == this.lastText ?
this.decay * this.options.decay : 1);
this.lastText = request.responseText;
}
this.timer = setTimeout(this.onTimerEvent.bind(this),
this.decay * this.frequency * 1000);
},
onTimerEvent: function() {
this.updater = new Ajax.Updater(this.container, this.url, this.options);
}
});
document.getElementsByClassName = function(className) {
var children = document.getElementsByTagName('*') || document.all;
var elements = new Array();
for (var i = 0; i < children.length; i++) {
var child = children[i];
var classNames = child.className.split(' ');
for (var j = 0; j < classNames.length; j++) {
if (classNames[j] == className) {
elements.push(child);
break;
}
}
}
return elements;
}
/*--------------------------------------------------------------------------*/
if (!window.Element) {
var Element = new Object();
}
Object.extend(Element, {
toggle: function() {
for (var i = 0; i < arguments.length; i++) {
var element = $(arguments[i]);
element.style.display =
(element.style.display == 'none' ? '' : 'none');
}
},
hide: function() {
for (var i = 0; i < arguments.length; i++) {
var element = $(arguments[i]);
element.style.display = 'none';
}
},
show: function() {
for (var i = 0; i < arguments.length; i++) {
var element = $(arguments[i]);
element.style.display = '';
}
},
remove: function(element) {
element = $(element);
element.parentNode.removeChild(element);
},
getHeight: function(element) {
element = $(element);
return element.offsetHeight;
},
hasClassName: function(element, className) {
element = $(element);
if (!element)
return;
var a = element.className.split(' ');
for (var i = 0; i < a.length; i++) {
if (a[i] == className)
return true;
}
return false;
},
addClassName: function(element, className) {
element = $(element);
Element.removeClassName(element, className);
element.className += ' ' + className;
},
removeClassName: function(element, className) {
element = $(element);
if (!element)
return;
var newClassName = '';
var a = element.className.split(' ');
for (var i = 0; i < a.length; i++) {
if (a[i] != className) {
if (i > 0)
newClassName += ' ';
newClassName += a[i];
}
}
element.className = newClassName;
},
// removes whitespace-only text node children
cleanWhitespace: function(element) {
var element = $(element);
for (var i = 0; i < element.childNodes.length; i++) {
var node = element.childNodes[i];
if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
Element.remove(node);
}
}
});
var Toggle = new Object();
Toggle.display = Element.toggle;
/*--------------------------------------------------------------------------*/
Abstract.Insertion = function(adjacency) {
this.adjacency = adjacency;
}
Abstract.Insertion.prototype = {
initialize: function(element, content) {
this.element = $(element);
this.content = content;
if (this.adjacency && this.element.insertAdjacentHTML) {
this.element.insertAdjacentHTML(this.adjacency, this.content);
} else {
this.range = this.element.ownerDocument.createRange();
if (this.initializeRange) this.initializeRange();
this.fragment = this.range.createContextualFragment(this.content);
this.insertContent();
}
}
}
var Insertion = new Object();
Insertion.Before = Class.create();
Insertion.Before.prototype = (new Abstract.Insertion('beforeBegin')).extend({
initializeRange: function() {
this.range.setStartBefore(this.element);
},
insertContent: function() {
this.element.parentNode.insertBefore(this.fragment, this.element);
}
});
Insertion.Top = Class.create();
Insertion.Top.prototype = (new Abstract.Insertion('afterBegin')).extend({
initializeRange: function() {
this.range.selectNodeContents(this.element);
this.range.collapse(true);
},
insertContent: function() {
this.element.insertBefore(this.fragment, this.element.firstChild);
}
});
Insertion.Bottom = Class.create();
Insertion.Bottom.prototype = (new Abstract.Insertion('beforeEnd')).extend({
initializeRange: function() {
this.range.selectNodeContents(this.element);
this.range.collapse(this.element);
},
insertContent: function() {
this.element.appendChild(this.fragment);
}
});
Insertion.After = Class.create();
Insertion.After.prototype = (new Abstract.Insertion('afterEnd')).extend({
initializeRange: function() {
this.range.setStartAfter(this.element);
},
insertContent: function() {
this.element.parentNode.insertBefore(this.fragment,
this.element.nextSibling);
}
});
var Field = {
clear: function() {
for (var i = 0; i < arguments.length; i++)
$(arguments[i]).value = '';
},
focus: function(element) {
$(element).focus();
},
present: function() {
for (var i = 0; i < arguments.length; i++)
if ($(arguments[i]).value == '') return false;
return true;
},
select: function(element) {
$(element).select();
},
activate: function(element) {
$(element).focus();
$(element).select();
}
}
/*--------------------------------------------------------------------------*/
var Form = {
serialize: function(form) {
var elements = Form.getElements($(form));
var queryComponents = new Array();
for (var i = 0; i < elements.length; i++) {
var queryComponent = Form.Element.serialize(elements[i]);
if (queryComponent)
queryComponents.push(queryComponent);
}
return queryComponents.join('&');
},
getElements: function(form) {
var form = $(form);
var elements = new Array();
for (tagName in Form.Element.Serializers) {
var tagElements = form.getElementsByTagName(tagName);
for (var j = 0; j < tagElements.length; j++)
elements.push(tagElements[j]);
}
return elements;
},
getInputs: function(form, typeName, name) {
var form = $(form);
var inputs = form.getElementsByTagName('input');
if (!typeName && !name)
return inputs;
var matchingInputs = new Array();
for (var i = 0; i < inputs.length; i++) {
var input = inputs[i];
if ((typeName && input.type != typeName) ||
(name && input.name != name))
continue;
matchingInputs.push(input);
}
return matchingInputs;
},
disable: function(form) {
var elements = Form.getElements(form);
for (var i = 0; i < elements.length; i++) {
var element = elements[i];
element.blur();
element.disabled = 'true';
}
},
enable: function(form) {
var elements = Form.getElements(form);
for (var i = 0; i < elements.length; i++) {
var element = elements[i];
element.disabled = '';
}
},
focusFirstElement: function(form) {
var form = $(form);
var elements = Form.getElements(form);
for (var i = 0; i < elements.length; i++) {
var element = elements[i];
if (element.type != 'hidden' && !element.disabled) {
Field.activate(element);
break;
}
}
},
reset: function(form) {
$(form).reset();
}
}
Form.Element = {
serialize: function(element) {
var element = $(element);
var method = element.tagName.toLowerCase();
var parameter = Form.Element.Serializers[method](element);
if (parameter)
return encodeURIComponent(parameter[0]) + '=' +
encodeURIComponent(parameter[1]);
},
getValue: function(element) {
var element = $(element);
var method = element.tagName.toLowerCase();
var parameter = Form.Element.Serializers[method](element);
if (parameter)
return parameter[1];
}
}
Form.Element.Serializers = {
input: function(element) {
switch (element.type.toLowerCase()) {
case 'submit':
case 'hidden':
case 'password':
case 'text':
return Form.Element.Serializers.textarea(element);
case 'checkbox':
case 'radio':
return Form.Element.Serializers.inputSelector(element);
}
return false;
},
inputSelector: function(element) {
if (element.checked)
return [element.name, element.value];
},
textarea: function(element) {
return [element.name, element.value];
},
select: function(element) {
var value = '';
if (element.type == 'select-one') {
var index = element.selectedIndex;
if (index >= 0)
value = element.options[index].value || element.options[index].text;
} else {
value = new Array();
for (var i = 0; i < element.length; i++) {
var opt = element.options[i];
if (opt.selected)
value.push(opt.value || opt.text);
}
}
return [element.name, value];
}
}
/*--------------------------------------------------------------------------*/
var $F = Form.Element.getValue;
/*--------------------------------------------------------------------------*/
Abstract.TimedObserver = function() {}
Abstract.TimedObserver.prototype = {
initialize: function(element, frequency, callback) {
this.frequency = frequency;
this.element = $(element);
this.callback = callback;
this.lastValue = this.getValue();
this.registerCallback();
},
registerCallback: function() {
setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
},
onTimerEvent: function() {
var value = this.getValue();
if (this.lastValue != value) {
this.callback(this.element, value);
this.lastValue = value;
}
}
}
Form.Element.Observer = Class.create();
Form.Element.Observer.prototype = (new Abstract.TimedObserver()).extend({
getValue: function() {
return Form.Element.getValue(this.element);
}
});
Form.Observer = Class.create();
Form.Observer.prototype = (new Abstract.TimedObserver()).extend({
getValue: function() {
return Form.serialize(this.element);
}
});
/*--------------------------------------------------------------------------*/
Abstract.EventObserver = function() {}
Abstract.EventObserver.prototype = {
initialize: function(element, callback) {
this.element = $(element);
this.callback = callback;
this.lastValue = this.getValue();
if (this.element.tagName.toLowerCase() == 'form')
this.registerFormCallbacks();
else
this.registerCallback(this.element);
},
onElementEvent: function() {
var value = this.getValue();
if (this.lastValue != value) {
this.callback(this.element, value);
this.lastValue = value;
}
},
registerFormCallbacks: function() {
var elements = Form.getElements(this.element);
for (var i = 0; i < elements.length; i++)
this.registerCallback(elements[i]);
},
registerCallback: function(element) {
if (element.type) {
switch (element.type.toLowerCase()) {
case 'checkbox':
case 'radio':
element.target = this;
element.prev_onclick = element.onclick || Prototype.emptyFunction;
element.onclick = function() {
this.prev_onclick();
this.target.onElementEvent();
}
break;
case 'password':
case 'text':
case 'textarea':
case 'select-one':
case 'select-multiple':
element.target = this;
element.prev_onchange = element.onchange || Prototype.emptyFunction;
element.onchange = function() {
this.prev_onchange();
this.target.onElementEvent();
}
break;
}
}
}
}
Form.Element.EventObserver = Class.create();
Form.Element.EventObserver.prototype = (new Abstract.EventObserver()).extend({
getValue: function() {
return Form.Element.getValue(this.element);
}
});
Form.EventObserver = Class.create();
Form.EventObserver.prototype = (new Abstract.EventObserver()).extend({
getValue: function() {
return Form.serialize(this.element);
}
});
if (!window.Event) {
var Event = new Object();
}
Object.extend(Event, {
KEY_BACKSPACE: 8,
KEY_TAB: 9,
KEY_RETURN: 13,
KEY_ESC: 27,
KEY_LEFT: 37,
KEY_UP: 38,
KEY_RIGHT: 39,
KEY_DOWN: 40,
KEY_DELETE: 46,
element: function(event) {
return event.target || event.srcElement;
},
isLeftClick: function(event) {
return (((event.which) && (event.which == 1)) ||
((event.button) && (event.button == 1)));
},
pointerX: function(event) {
return event.pageX || (event.clientX +
(document.documentElement.scrollLeft || document.body.scrollLeft));
},
pointerY: function(event) {
return event.pageY || (event.clientY +
(document.documentElement.scrollTop || document.body.scrollTop));
},
stop: function(event) {
if (event.preventDefault) {
event.preventDefault();
event.stopPropagation();
} else {
event.returnValue = false;
}
},
// find the first node with the given tagName, starting from the
// node the event was triggered on; traverses the DOM upwards
findElement: function(event, tagName) {
var element = Event.element(event);
while (element.parentNode && (!element.tagName ||
(element.tagName.toUpperCase() != tagName.toUpperCase())))
element = element.parentNode;
return element;
},
observers: false,
_observeAndCache: function(element, name, observer, useCapture) {
if (!this.observers) this.observers = [];
if (element.addEventListener) {
this.observers.push([element, name, observer, useCapture]);
element.addEventListener(name, observer, useCapture);
} else if (element.attachEvent) {
this.observers.push([element, name, observer, useCapture]);
element.attachEvent('on' + name, observer);
}
},
unloadCache: function() {
if (!Event.observers) return;
for (var i = 0; i < Event.observers.length; i++) {
Event.stopObserving.apply(this, Event.observers[i]);
Event.observers[i][0] = null;
}
Event.observers = false;
},
observe: function(element, name, observer, useCapture) {
var element = $(element);
useCapture = useCapture || false;
if (name == 'keypress' &&
((navigator.appVersion.indexOf('AppleWebKit') > 0)
|| element.attachEvent))
name = 'keydown';
this._observeAndCache(element, name, observer, useCapture);
},
stopObserving: function(element, name, observer, useCapture) {
var element = $(element);
useCapture = useCapture || false;
if (name == 'keypress' &&
((navigator.appVersion.indexOf('AppleWebKit') > 0)
|| element.detachEvent))
name = 'keydown';
if (element.removeEventListener) {
element.removeEventListener(name, observer, useCapture);
} else if (element.detachEvent) {
element.detachEvent('on' + name, observer);
}
}
});
/* prevent memory leaks in IE */
Event.observe(window, 'unload', Event.unloadCache, false);
var Position = {
// set to true if needed, warning: firefox performance problems
// NOT neeeded for page scrolling, only if draggable contained in
// scrollable elements
includeScrollOffsets: false,
// must be called before calling withinIncludingScrolloffset, every time the
// page is scrolled
prepare: function() {
this.deltaX = window.pageXOffset
|| document.documentElement.scrollLeft
|| document.body.scrollLeft
|| 0;
this.deltaY = window.pageYOffset
|| document.documentElement.scrollTop
|| document.body.scrollTop
|| 0;
},
realOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.scrollTop || 0;
valueL += element.scrollLeft || 0;
element = element.parentNode;
} while (element);
return [valueL, valueT];
},
cumulativeOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
element = element.offsetParent;
} while (element);
return [valueL, valueT];
},
// caches x/y coordinate pair to use with overlap
within: function(element, x, y) {
if (this.includeScrollOffsets)
return this.withinIncludingScrolloffsets(element, x, y);
this.xcomp = x;
this.ycomp = y;
this.offset = this.cumulativeOffset(element);
return (y >= this.offset[1] &&
y < this.offset[1] + element.offsetHeight &&
x >= this.offset[0] &&
x < this.offset[0] + element.offsetWidth);
},
withinIncludingScrolloffsets: function(element, x, y) {
var offsetcache = this.realOffset(element);
this.xcomp = x + offsetcache[0] - this.deltaX;
this.ycomp = y + offsetcache[1] - this.deltaY;
this.offset = this.cumulativeOffset(element);
return (this.ycomp >= this.offset[1] &&
this.ycomp < this.offset[1] + element.offsetHeight &&
this.xcomp >= this.offset[0] &&
this.xcomp < this.offset[0] + element.offsetWidth);
},
// within must be called directly before
overlap: function(mode, element) {
if (!mode) return 0;
if (mode == 'vertical')
return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
element.offsetHeight;
if (mode == 'horizontal')
return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
element.offsetWidth;
},
clone: function(source, target) {
source = $(source);
target = $(target);
target.style.position = 'absolute';
var offsets = this.cumulativeOffset(source);
target.style.top = offsets[1] + 'px';
target.style.left = offsets[0] + 'px';
target.style.width = source.offsetWidth + 'px';
target.style.height = source.offsetHeight + 'px';
}
}
// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// (c) 2005 Ivan Krstic (http://blogs.law.harvard.edu/ivan)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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;
}
// 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.getEntry(), 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: new Array (',', '\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.
var Autocompleter = {}
Autocompleter.Base = function() {};
Autocompleter.Base.prototype = {
base_initialize: function(element, update, options) {
this.element = $(element);
this.update = $(update);
this.has_focus = false;
this.changed = false;
this.active = false;
this.index = 0;
this.entry_count = 0;
if (this.setOptions)
this.setOptions(options);
else
this.options = {}
this.options.tokens = this.options.tokens || new Array();
this.options.frequency = this.options.frequency || 0.4;
this.options.min_chars = this.options.min_chars || 1;
this.options.onShow = this.options.onShow ||
function(element, update){
if(!update.style.position || update.style.position=='absolute') {
update.style.position = 'absolute';
var offsets = Position.cumulativeOffset(element);
update.style.left = offsets[0] + 'px';
update.style.top = (offsets[1] + element.offsetHeight) + 'px';
update.style.width = element.offsetWidth + 'px';
}
new Effect.Appear(update,{duration:0.15});
};
this.options.onHide = this.options.onHide ||
function(element, update){ new Effect.Fade(update,{duration:0.15}) };
if(this.options.indicator)
this.indicator = $(this.options.indicator);
if (typeof(this.options.tokens) == 'string')
this.options.tokens = new Array(this.options.tokens);
this.observer = null;
Element.hide(this.update);
Event.observe(this.element, "blur", this.onBlur.bindAsEventListener(this));
Event.observe(this.element, "keypress", this.onKeyPress.bindAsEventListener(this));
},
show: function() {
if(this.update.style.display=='none') this.options.onShow(this.element, this.update);
if(!this.iefix && (navigator.appVersion.indexOf('MSIE')>0) && this.update.style.position=='absolute') {
new Insertion.After(this.update,
'<iframe id="' + this.update.id + '_iefix" '+
'style="display:none;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" ' +
'src="javascript:false;" frameborder="0" scrolling="no"></iframe>');
this.iefix = $(this.update.id+'_iefix');
}
if(this.iefix) {
Position.clone(this.update, this.iefix);
this.iefix.style.zIndex = 1;
this.update.style.zIndex = 2;
Element.show(this.iefix);
}
},
hide: function() {
if(this.update.style.display=='') this.options.onHide(this.element, this.update);
if(this.iefix) Element.hide(this.iefix);
},
startIndicator: function() {
if(this.indicator) Element.show(this.indicator);
},
stopIndicator: function() {
if(this.indicator) Element.hide(this.indicator);
},
onKeyPress: function(event) {
if(this.active)
switch(event.keyCode) {
case Event.KEY_TAB:
case Event.KEY_RETURN:
this.select_entry();
Event.stop(event);
case Event.KEY_ESC:
this.hide();
this.active = false;
return;
case Event.KEY_LEFT:
case Event.KEY_RIGHT:
return;
case Event.KEY_UP:
this.mark_previous();
this.render();
if(navigator.appVersion.indexOf('AppleWebKit')>0) Event.stop(event);
return;
case Event.KEY_DOWN:
this.mark_next();
this.render();
if(navigator.appVersion.indexOf('AppleWebKit')>0) Event.stop(event);
return;
}
else
if(event.keyCode==Event.KEY_TAB || event.keyCode==Event.KEY_RETURN)
return;
this.changed = true;
this.has_focus = true;
if(this.observer) clearTimeout(this.observer);
this.observer =
setTimeout(this.onObserverEvent.bind(this), this.options.frequency*1000);
},
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.select_entry();
Event.stop(event);
},
onBlur: function(event) {
// needed to make click events working
setTimeout(this.hide.bind(this), 250);
this.has_focus = false;
this.active = false;
},
render: function() {
if(this.entry_count > 0) {
for (var i = 0; i < this.entry_count; i++)
this.index==i ?
Element.addClassName(this.get_entry(i),"selected") :
Element.removeClassName(this.get_entry(i),"selected");
if(this.has_focus) {
if(this.get_current_entry().scrollIntoView)
this.get_current_entry().scrollIntoView(false);
this.show();
this.active = true;
}
} else this.hide();
},
mark_previous: function() {
if(this.index > 0) this.index--
else this.index = this.entry_count-1;
},
mark_next: function() {
if(this.index < this.entry_count-1) this.index++
else this.index = 0;
},
get_entry: function(index) {
return this.update.firstChild.childNodes[index];
},
get_current_entry: function() {
return this.get_entry(this.index);
},
select_entry: function() {
this.active = false;
value = Element.collectTextNodesIgnoreClass(this.get_current_entry(), 'informal').unescapeHTML();
this.updateElement(value);
this.element.focus();
},
updateElement: function(value) {
var last_token_pos = this.findLastToken();
if (last_token_pos != -1) {
var new_value = this.element.value.substr(0, last_token_pos + 1);
var whitespace = this.element.value.substr(last_token_pos + 1).match(/^\s+/);
if (whitespace)
new_value += whitespace[0];
this.element.value = new_value + value;
} else {
this.element.value = value;
}
},
updateChoices: function(choices) {
if(!this.changed && this.has_focus) {
this.update.innerHTML = choices;
Element.cleanWhitespace(this.update);
Element.cleanWhitespace(this.update.firstChild);
if(this.update.firstChild && this.update.firstChild.childNodes) {
this.entry_count =
this.update.firstChild.childNodes.length;
for (var i = 0; i < this.entry_count; i++) {
entry = this.get_entry(i);
entry.autocompleteIndex = i;
this.addObservers(entry);
}
} else {
this.entry_count = 0;
}
this.stopIndicator();
this.index = 0;
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.getEntry().length>=this.options.min_chars) {
this.startIndicator();
this.getUpdatedChoices();
} else {
this.active = false;
this.hide();
}
},
getEntry: function() {
var token_pos = this.findLastToken();
if (token_pos != -1)
var ret = this.element.value.substr(token_pos + 1).replace(/^\s+/,'').replace(/\s+$/,'');
else
var ret = this.element.value;
return /\n/.test(ret) ? '' : ret;
},
findLastToken: function() {
var last_token_pos = -1;
for (var i=0; i<this.options.tokens.length; i++) {
var this_token_pos = this.element.value.lastIndexOf(this.options.tokens[i]);
if (this_token_pos > last_token_pos)
last_token_pos = this_token_pos;
}
return last_token_pos;
}
}
Ajax.Autocompleter = Class.create();
Ajax.Autocompleter.prototype = Object.extend(new Autocompleter.Base(),
Object.extend(new Ajax.Base(), {
initialize: function(element, update, url, options) {
this.base_initialize(element, update, options);
this.options.asynchronous = true;
this.options.onComplete = this.onComplete.bind(this)
this.options.method = 'post';
this.options.defaultParams = this.options.parameters || null;
this.url = url;
},
getUpdatedChoices: function() {
entry = encodeURIComponent(this.element.name) + '=' +
encodeURIComponent(this.getEntry());
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
//
// - partial_search - 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 full_search to true (default: off).
//
// - full_search - Search anywhere in autocomplete array strings.
//
// - partial_chars - How many characters to enter before triggering
// a partial match (unlike min_chars, which defines
// how many characters are required to do any match
// at all). Defaults to 2.
//
// - ignore_case - 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.base_initialize(element, update, options);
this.options.array = array;
},
getUpdatedChoices: function() {
this.updateChoices(this.options.selector(this));
},
setOptions: function(options) {
this.options = Object.extend({
choices: 10,
partial_search: true,
partial_chars: 2,
ignore_case: true,
full_search: false,
selector: function(instance) {
var ret = new Array(); // Beginning matches
var partial = new Array(); // Inside matches
var entry = instance.getEntry();
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 found_pos = instance.options.ignore_case ?
elem.toLowerCase().indexOf(entry.toLowerCase()) :
elem.indexOf(entry);
while (found_pos != -1) {
if (found_pos == 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.partial_chars &&
instance.options.partial_search && found_pos != -1) {
if (instance.options.full_search || /\s/.test(elem.substr(found_pos-1,1))) {
partial.push("<li>" + elem.substr(0, found_pos) + "<strong>" +
elem.substr(found_pos, entry.length) + "</strong>" + elem.substr(
found_pos + entry.length) + "</li>");
break;
}
}
found_pos = instance.options.ignore_case ?
elem.toLowerCase().indexOf(entry.toLowerCase(), found_pos + 1) :
elem.indexOf(entry, found_pos + 1);
}
}
if (partial.length)
ret = ret.concat(partial.slice(0, instance.options.choices - ret.length))
return "<ul>" + ret.join('') + "</ul>";
}
}, options || {});
}
});
// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// Element.Class part Copyright (c) 2005 by Rick Olson
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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("^" + arguments[i] + "\\b\\s*|\\s*\\b" + arguments[i] + "\\b", '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++) {
regEx = new RegExp("\\b" + arguments[i] + "\\b");
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("\\b" + arguments[i][j] + "\\b");
if(regEx.test(element.className)) return true;
}
} else {
regEx = new RegExp("\\b" + arguments[i] + "\\b");
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]);
break;
}
}
return elements;
}
}
/*--------------------------------------------------------------------------*/
var Droppables = {
drops: false,
remove: function(element) {
for(var i = 0; i < this.drops.length; i++)
if(this.drops[i].element == element)
this.drops.splice(i,1);
},
add: function(element) {
var element = $(element);
var options = Object.extend({
greedy: true,
hoverclass: null
}, arguments[1] || {});
// cache containers
if(options.containment) {
options._containers = new Array();
var containment = options.containment;
if((typeof containment == 'object') &&
(containment.constructor == Array)) {
for(var i=0; i<containment.length; i++)
options._containers.push($(containment[i]));
} else {
options._containers.push($(containment));
}
options._containers_length =
options._containers.length-1;
}
Element.makePositioned(element); // fix IE
options.element = element;
// activate the droppable
if(!this.drops) this.drops = [];
this.drops.push(options);
},
is_contained: function(element, drop) {
var containers = drop._containers;
var parentNode = element.parentNode;
var i = drop._containers_length;
do { if(parentNode==containers[i]) return true; } while (i--);
return false;
},
is_affected: function(pX, pY, element, drop) {
return (
(drop.element!=element) &&
((!drop._containers) ||
this.is_contained(element, drop)) &&
((!drop.accept) ||
(Element.Class.has_any(element, drop.accept))) &&
Position.within(drop.element, pX, pY) );
},
deactivate: function(drop) {
Element.Class.remove(drop.element, drop.hoverclass);
this.last_active = null;
},
activate: function(drop) {
if(this.last_active) this.deactivate(this.last_active);
if(drop.hoverclass) {
Element.Class.add(drop.element, drop.hoverclass);
this.last_active = drop;
}
},
show: function(event, element) {
if(!this.drops) return;
var pX = Event.pointerX(event);
var pY = Event.pointerY(event);
Position.prepare();
var i = this.drops.length-1; do {
var drop = this.drops[i];
if(this.is_affected(pX, pY, element, drop)) {
if(drop.onHover)
drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));
if(drop.greedy) {
this.activate(drop);
return;
}
}
} while (i--);
},
fire: function(event, element) {
if(!this.last_active) return;
Position.prepare();
if (this.is_affected(Event.pointerX(event), Event.pointerY(event), element, this.last_active))
if (this.last_active.onDrop)
this.last_active.onDrop(element, this.last_active);
},
reset: function() {
if(this.last_active)
this.deactivate(this.last_active);
}
}
Draggables = {
observers: new Array(),
addObserver: function(observer) {
this.observers.push(observer);
},
removeObserver: function(element) { // element instead of obsever fixes mem leaks
for(var i = 0; i < this.observers.length; i++)
if(this.observers[i].element && (this.observers[i].element == element))
this.observers.splice(i,1);
},
notify: function(eventName, draggable) { // 'onStart', 'onEnd'
for(var i = 0; i < this.observers.length; i++)
this.observers[i][eventName](draggable);
}
}
/*--------------------------------------------------------------------------*/
Draggable = Class.create();
Draggable.prototype = {
initialize: function(element) {
var options = Object.extend({
handle: false,
starteffect: function(element) {
new Effect.Opacity(element, {duration:0.2, from:1.0, to:0.7});
},
reverteffect: function(element, top_offset, left_offset) {
new Effect.MoveBy(element, -top_offset, -left_offset, {duration:0.4});
},
endeffect: function(element) {
new Effect.Opacity(element, {duration:0.2, from:0.7, to:1.0});
},
zindex: 1000,
revert: false
}, arguments[1] || {});
this.element = $(element);
this.handle = options.handle ? $(options.handle) : this.element;
Element.makePositioned(this.element); // fix IE
this.offsetX = 0;
this.offsetY = 0;
this.originalLeft = this.currentLeft();
this.originalTop = this.currentTop();
this.originalX = this.element.offsetLeft;
this.originalY = this.element.offsetTop;
this.originalZ = parseInt(this.element.style.zIndex || "0");
this.options = options;
this.active = false;
this.dragging = false;
this.eventMouseDown = this.startDrag.bindAsEventListener(this);
this.eventMouseUp = this.endDrag.bindAsEventListener(this);
this.eventMouseMove = this.update.bindAsEventListener(this);
this.eventKeypress = this.keyPress.bindAsEventListener(this);
Event.observe(this.handle, "mousedown", this.eventMouseDown);
Event.observe(document, "mouseup", this.eventMouseUp);
Event.observe(document, "mousemove", this.eventMouseMove);
Event.observe(document, "keypress", this.eventKeypress);
},
destroy: function() {
Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);
Event.stopObserving(document, "mouseup", this.eventMouseUp);
Event.stopObserving(document, "mousemove", this.eventMouseMove);
Event.stopObserving(document, "keypress", this.eventKeypress);
},
currentLeft: function() {
return parseInt(this.element.style.left || '0');
},
currentTop: function() {
return parseInt(this.element.style.top || '0')
},
startDrag: function(event) {
if(Event.isLeftClick(event)) {
this.active = true;
var style = this.element.style;
this.originalY = this.element.offsetTop - this.currentTop() - this.originalTop;
this.originalX = this.element.offsetLeft - this.currentLeft() - this.originalLeft;
this.offsetY = event.clientY - this.originalY - this.originalTop;
this.offsetX = event.clientX - this.originalX - this.originalLeft;
Event.stop(event);
}
},
finishDrag: function(event, success) {
this.active = false;
this.dragging = false;
if(success) Droppables.fire(event, this.element);
Draggables.notify('onEnd', this);
var revert = this.options.revert;
if(revert && typeof revert == 'function') revert = revert(this.element);
if(revert && this.options.reverteffect) {
this.options.reverteffect(this.element,
this.currentTop()-this.originalTop,
this.currentLeft()-this.originalLeft);
} else {
this.originalLeft = this.currentLeft();
this.originalTop = this.currentTop();
}
this.element.style.zIndex = this.originalZ;
if(this.options.endeffect)
this.options.endeffect(this.element);
Droppables.reset();
},
keyPress: function(event) {
if(this.active) {
if(event.keyCode==Event.KEY_ESC) {
this.finishDrag(event, false);
Event.stop(event);
}
}
},
endDrag: function(event) {
if(this.active && this.dragging) {
this.finishDrag(event, true);
Event.stop(event);
}
this.active = false;
this.dragging = false;
},
draw: function(event) {
var style = this.element.style;
this.originalX = this.element.offsetLeft - this.currentLeft() - this.originalLeft;
this.originalY = this.element.offsetTop - this.currentTop() - this.originalTop;
if((!this.options.constraint) || (this.options.constraint=='horizontal'))
style.left = ((event.clientX - this.originalX) - this.offsetX) + "px";
if((!this.options.constraint) || (this.options.constraint=='vertical'))
style.top = ((event.clientY - this.originalY) - this.offsetY) + "px";
if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering
},
update: function(event) {
if(this.active) {
if(!this.dragging) {
var style = this.element.style;
this.dragging = true;
if(style.position=="") style.position = "relative";
style.zIndex = this.options.zindex;
Draggables.notify('onStart', this);
if(this.options.starteffect) this.options.starteffect(this.element);
}
Droppables.show(event, this.element);
this.draw(event);
if(this.options.change) this.options.change(this);
// fix AppleWebKit rendering
if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
Event.stop(event);
}
}
}
/*--------------------------------------------------------------------------*/
SortableObserver = Class.create();
SortableObserver.prototype = {
initialize: function(element, observer) {
this.element = $(element);
this.observer = observer;
this.lastValue = Sortable.serialize(this.element);
},
onStart: function() {
this.lastValue = Sortable.serialize(this.element);
},
onEnd: function() {
if(this.lastValue != Sortable.serialize(this.element))
this.observer(this.element)
}
}
Sortable = {
sortables: new Array(),
options: function(element){
var element = $(element);
for(var i=0;i<this.sortables.length;i++)
if(this.sortables[i].element == element)
return this.sortables[i];
return null;
},
destroy: function(element){
var element = $(element);
for(var i=0;i<this.sortables.length;i++) {
if(this.sortables[i].element == element) {
var s = this.sortables[i];
Draggables.removeObserver(s.element);
for(var j=0;j<s.droppables.length;j++)
Droppables.remove(s.droppables[j]);
for(var j=0;j<s.draggables.length;j++)
s.draggables[j].destroy();
this.sortables.splice(i,1);
}
}
},
create: function(element) {
var element = $(element);
var options = Object.extend({
element: element,
tag: 'li', // assumes li children, override with tag: 'tagname'
overlap: 'vertical', // one of 'vertical', 'horizontal'
constraint: 'vertical', // one of 'vertical', 'horizontal', false
containment: element, // also takes array of elements (or id's); or false
handle: false, // or a CSS class
only: false,
hoverclass: null,
onChange: function() {},
onUpdate: function() {}
}, arguments[1] || {});
// clear any old sortable with same element
this.destroy(element);
// build options for the draggables
var options_for_draggable = {
revert: true,
constraint: options.constraint,
handle: handle };
if(options.starteffect)
options_for_draggable.starteffect = options.starteffect;
if(options.reverteffect)
options_for_draggable.reverteffect = options.reverteffect;
if(options.endeffect)
options_for_draggable.endeffect = options.endeffect;
if(options.zindex)
options_for_draggable.zindex = options.zindex;
// build options for the droppables
var options_for_droppable = {
overlap: options.overlap,
containment: options.containment,
hoverclass: options.hoverclass,
onHover: function(element, dropon, overlap) {
if(overlap>0.5) {
if(dropon.previousSibling != element) {
var oldParentNode = element.parentNode;
element.style.visibility = "hidden"; // fix gecko rendering
dropon.parentNode.insertBefore(element, dropon);
if(dropon.parentNode!=oldParentNode && oldParentNode.sortable)
oldParentNode.sortable.onChange(element);
if(dropon.parentNode.sortable)
dropon.parentNode.sortable.onChange(element);
}
} else {
var nextElement = dropon.nextSibling || null;
if(nextElement != element) {
var oldParentNode = element.parentNode;
element.style.visibility = "hidden"; // fix gecko rendering
dropon.parentNode.insertBefore(element, nextElement);
if(dropon.parentNode!=oldParentNode && oldParentNode.sortable)
oldParentNode.sortable.onChange(element);
if(dropon.parentNode.sortable)
dropon.parentNode.sortable.onChange(element);
}
}
}
}
// fix for gecko engine
Element.cleanWhitespace(element);
options.draggables = [];
options.droppables = [];
// make it so
var elements = element.childNodes;
for (var i = 0; i < elements.length; i++)
if(elements[i].tagName && elements[i].tagName==options.tag.toUpperCase() &&
(!options.only || (Element.Class.has(elements[i], options.only)))) {
// handles are per-draggable
var handle = options.handle ?
Element.Class.childrenWith(elements[i], options.handle)[0] : elements[i];
options.draggables.push(new Draggable(elements[i], Object.extend(options_for_draggable, { handle: handle })));
Droppables.add(elements[i], options_for_droppable);
options.droppables.push(elements[i]);
}
// keep reference
this.sortables.push(options);
// for onupdate
Draggables.addObserver(new SortableObserver(element, options.onUpdate));
},
serialize: function(element) {
var element = $(element);
var sortableOptions = this.options(element);
var options = Object.extend({
tag: sortableOptions.tag,
only: sortableOptions.only,
name: element.id
}, arguments[1] || {});
var items = $(element).childNodes;
var queryComponents = new Array();
for(var i=0; i<items.length; i++)
if(items[i].tagName && items[i].tagName==options.tag.toUpperCase() &&
(!options.only || (Element.Class.has(items[i], options.only))))
queryComponents.push(
encodeURIComponent(options.name) + "[]=" +
encodeURIComponent(items[i].id.split("_")[1]));
return queryComponents.join("&");
}
}
// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// Parts (c) 2005 Justin Palmer (http://encytemedia.com/)
// Parts (c) 2005 Mark Pilgrim (http://diveintomark.org/)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Effect = {}
Effect2 = Effect; // deprecated
/* ------------- transitions ------------- */
Effect.Transitions = {}
Effect.Transitions.linear = function(pos) {
return pos;
}
Effect.Transitions.sinoidal = function(pos) {
return (-Math.cos(pos*Math.PI)/2) + 0.5;
}
Effect.Transitions.reverse = function(pos) {
return 1-pos;
}
Effect.Transitions.flicker = function(pos) {
return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random(0.25);
}
Effect.Transitions.wobble = function(pos) {
return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
}
Effect.Transitions.pulse = function(pos) {
return (Math.floor(pos*10) % 2 == 0 ?
(pos*10-Math.floor(pos*10)) : 1-(pos*10-Math.floor(pos*10)));
}
Effect.Transitions.none = function(pos) {
return 0;
}
Effect.Transitions.full = function(pos) {
return 1;
}
/* ------------- element ext -------------- */
Element.makePositioned = function(element) {
element = $(element);
if(element.style.position == "")
element.style.position = "relative";
}
Element.makeClipping = function(element) {
element = $(element);
element._overflow = element.style.overflow || 'visible';
if(element._overflow!='hidden') element.style.overflow = 'hidden';
}
Element.undoClipping = function(element) {
element = $(element);
if(element._overflow!='hidden') element.style.overflow = element._overflow;
}
/* ------------- core effects ------------- */
Effect.Base = function() {};
Effect.Base.prototype = {
setOptions: function(options) {
this.options = Object.extend({
transition: Effect.Transitions.sinoidal,
duration: 1.0, // seconds
fps: 25.0, // max. 100fps
sync: false, // true for combining
from: 0.0,
to: 1.0
}, options || {});
},
start: function(options) {
this.setOptions(options || {});
this.currentFrame = 0;
this.startOn = new Date().getTime();
this.finishOn = this.startOn + (this.options.duration*1000);
if(this.options.beforeStart) this.options.beforeStart(this);
if(!this.options.sync) this.loop();
},
loop: function() {
var timePos = new Date().getTime();
if(timePos >= this.finishOn) {
this.render(this.options.to);
if(this.finish) this.finish();
if(this.options.afterFinish) this.options.afterFinish(this);
return;
}
var pos = (timePos - this.startOn) / (this.finishOn - this.startOn);
var frame = Math.round(pos * this.options.fps * this.options.duration);
if(frame > this.currentFrame) {
this.render(pos);
this.currentFrame = frame;
}
this.timeout = setTimeout(this.loop.bind(this), 10);
},
render: function(pos) {
if(this.options.transition) pos = this.options.transition(pos);
pos *= (this.options.to-this.options.from);
pos += this.options.from;
if(this.options.beforeUpdate) this.options.beforeUpdate(this);
if(this.update) this.update(pos);
if(this.options.afterUpdate) this.options.afterUpdate(this);
},
cancel: function() {
if(this.timeout) clearTimeout(this.timeout);
}
}
Effect.Parallel = Class.create();
Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {
initialize: function(effects) {
this.effects = effects || [];
this.start(arguments[1]);
},
update: function(position) {
for (var i = 0; i < this.effects.length; i++)
this.effects[i].render(position);
},
finish: function(position) {
for (var i = 0; i < this.effects.length; i++)
if(this.effects[i].finish) this.effects[i].finish(position);
}
});
// Internet Explorer caveat: works only on elements the have
// a 'layout', meaning having a given width or height.
// There is no way to safely set this automatically.
Effect.Opacity = Class.create();
Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
options = Object.extend({
from: 0.0,
to: 1.0
}, arguments[1] || {});
this.start(options);
},
update: function(position) {
this.setOpacity(position);
},
setOpacity: function(opacity) {
opacity = (opacity == 1) ? 0.99999 : opacity;
this.element.style.opacity = opacity;
this.element.style.filter = "alpha(opacity:"+opacity*100+")";
}
});
Effect.MoveBy = Class.create();
Object.extend(Object.extend(Effect.MoveBy.prototype, Effect.Base.prototype), {
initialize: function(element, toTop, toLeft) {
this.element = $(element);
this.originalTop = parseFloat(this.element.style.top || '0');
this.originalLeft = parseFloat(this.element.style.left || '0');
this.toTop = toTop;
this.toLeft = toLeft;
Element.makePositioned(this.element);
this.start(arguments[3]);
},
update: function(position) {
topd = this.toTop * position + this.originalTop;
leftd = this.toLeft * position + this.originalLeft;
this.setPosition(topd, leftd);
},
setPosition: function(topd, leftd) {
this.element.style.top = topd + "px";
this.element.style.left = leftd + "px";
}
});
Effect.Scale = Class.create();
Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
initialize: function(element, percent) {
this.element = $(element)
options = Object.extend({
scaleX: true,
scaleY: true,
scaleContent: true,
scaleFromCenter: false,
scaleMode: 'box', // 'box' or 'contents' or {} with provided values
scaleFrom: 100.0
}, arguments[2] || {});
this.originalTop = this.element.offsetTop;
this.originalLeft = this.element.offsetLeft;
if(this.element.style.fontSize=="") this.sizeEm = 1.0;
if(this.element.style.fontSize && this.element.style.fontSize.indexOf("em")>0)
this.sizeEm = parseFloat(this.element.style.fontSize);
this.factor = (percent/100.0) - (options.scaleFrom/100.0);
if(options.scaleMode=='box') {
this.originalHeight = this.element.clientHeight;
this.originalWidth = this.element.clientWidth;
} else
if(options.scaleMode=='contents') {
this.originalHeight = this.element.scrollHeight;
this.originalWidth = this.element.scrollWidth;
} else {
this.originalHeight = options.scaleMode.originalHeight;
this.originalWidth = options.scaleMode.originalWidth;
}
this.start(options);
},
update: function(position) {
currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
if(this.options.scaleContent && this.sizeEm)
this.element.style.fontSize = this.sizeEm*currentScale + "em";
this.setDimensions(
this.originalWidth * currentScale,
this.originalHeight * currentScale);
},
setDimensions: function(width, height) {
if(this.options.scaleX) this.element.style.width = width + 'px';
if(this.options.scaleY) this.element.style.height = height + 'px';
if(this.options.scaleFromCenter) {
topd = (height - this.originalHeight)/2;
leftd = (width - this.originalWidth)/2;
if(this.element.style.position=='absolute') {
if(this.options.scaleY) this.element.style.top = this.originalTop-topd + "px";
if(this.options.scaleX) this.element.style.left = this.originalLeft-leftd + "px";
} else {
if(this.options.scaleY) this.element.style.top = -topd + "px";
if(this.options.scaleX) this.element.style.left = -leftd + "px";
}
}
}
});
Effect.Highlight = Class.create();
Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
// try to parse current background color as default for endcolor
// browser stores this as: "rgb(255, 255, 255)", convert to "#ffffff" format
var endcolor = "#ffffff";
var current = this.element.style.backgroundColor;
if(current && current.slice(0,4) == "rgb(") {
endcolor = "#";
var cols = current.slice(4,current.length-1).split(',');
var i=0; do { endcolor += parseInt(cols[i]).toColorPart() } while (++i<3); }
var options = Object.extend({
startcolor: "#ffff99",
endcolor: endcolor,
restorecolor: current
}, arguments[1] || {});
// init color calculations
this.colors_base = [
parseInt(options.startcolor.slice(1,3),16),
parseInt(options.startcolor.slice(3,5),16),
parseInt(options.startcolor.slice(5),16) ];
this.colors_delta = [
parseInt(options.endcolor.slice(1,3),16)-this.colors_base[0],
parseInt(options.endcolor.slice(3,5),16)-this.colors_base[1],
parseInt(options.endcolor.slice(5),16)-this.colors_base[2] ];
this.start(options);
},
update: function(position) {
var colors = [
Math.round(this.colors_base[0]+(this.colors_delta[0]*position)),
Math.round(this.colors_base[1]+(this.colors_delta[1]*position)),
Math.round(this.colors_base[2]+(this.colors_delta[2]*position)) ];
this.element.style.backgroundColor = "#" +
colors[0].toColorPart() + colors[1].toColorPart() + colors[2].toColorPart();
},
finish: function() {
this.element.style.backgroundColor = this.options.restorecolor;
}
});
Effect.ScrollTo = Class.create();
Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
Position.prepare();
var offsets = Position.cumulativeOffset(this.element);
var max = window.innerHeight ?
window.height - window.innerHeight :
document.body.scrollHeight -
(document.documentElement.clientHeight ?
document.documentElement.clientHeight : document.body.clientHeight);
this.scrollStart = Position.deltaY;
this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;
this.start(arguments[1] || {});
},
update: function(position) {
Position.prepare();
window.scrollTo(Position.deltaX,
this.scrollStart + (position*this.delta));
}
});
/* ------------- prepackaged effects ------------- */
Effect.Fade = function(element) {
options = Object.extend({
from: 1.0,
to: 0.0,
afterFinish: function(effect)
{ Element.hide(effect.element);
effect.setOpacity(1); }
}, arguments[1] || {});
new Effect.Opacity(element,options);
}
Effect.Appear = function(element) {
options = Object.extend({
from: 0.0,
to: 1.0,
beforeStart: function(effect)
{ effect.setOpacity(0);
Element.show(effect.element); },
afterUpdate: function(effect)
{ Element.show(effect.element); }
}, arguments[1] || {});
new Effect.Opacity(element,options);
}
Effect.Puff = function(element) {
new Effect.Parallel(
[ new Effect.Scale(element, 200, { sync: true, scaleFromCenter: true }),
new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0 } ) ],
{ duration: 1.0,
afterUpdate: function(effect)
{ effect.effects[0].element.style.position = 'absolute'; },
afterFinish: function(effect)
{ Element.hide(effect.effects[0].element); }
}
);
}
Effect.BlindUp = function(element) {
Element.makeClipping(element);
new Effect.Scale(element, 0,
Object.extend({ scaleContent: false,
scaleX: false,
afterFinish: function(effect)
{
Element.hide(effect.element);
Element.undoClipping(effect.element);
}
}, arguments[1] || {})
);
}
Effect.BlindDown = function(element) {
$(element).style.height = '0px';
Element.makeClipping(element);
Element.show(element);
new Effect.Scale(element, 100,
Object.extend({ scaleContent: false,
scaleX: false,
scaleMode: 'contents',
scaleFrom: 0,
afterFinish: function(effect) {
Element.undoClipping(effect.element);
}
}, arguments[1] || {})
);
}
Effect.SwitchOff = function(element) {
new Effect.Appear(element,
{ duration: 0.4,
transition: Effect.Transitions.flicker,
afterFinish: function(effect)
{ effect.element.style.overflow = 'hidden';
new Effect.Scale(effect.element, 1,
{ duration: 0.3, scaleFromCenter: true,
scaleX: false, scaleContent: false,
afterUpdate: function(effect) {
if(effect.element.style.position=="")
effect.element.style.position = 'relative'; },
afterFinish: function(effect) { Element.hide(effect.element); }
} )
}
} );
}
Effect.DropOut = function(element) {
new Effect.Parallel(
[ new Effect.MoveBy(element, 100, 0, { sync: true }),
new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0 } ) ],
{ duration: 0.5,
afterFinish: function(effect)
{ Element.hide(effect.effects[0].element); }
});
}
Effect.Shake = function(element) {
new Effect.MoveBy(element, 0, 20,
{ duration: 0.05, afterFinish: function(effect) {
new Effect.MoveBy(effect.element, 0, -40,
{ duration: 0.1, afterFinish: function(effect) {
new Effect.MoveBy(effect.element, 0, 40,
{ duration: 0.1, afterFinish: function(effect) {
new Effect.MoveBy(effect.element, 0, -40,
{ duration: 0.1, afterFinish: function(effect) {
new Effect.MoveBy(effect.element, 0, 40,
{ duration: 0.1, afterFinish: function(effect) {
new Effect.MoveBy(effect.element, 0, -20,
{ duration: 0.05, afterFinish: function(effect) {
}}) }}) }}) }}) }}) }});
}
Effect.SlideDown = function(element) {
element = $(element);
element.style.height = '0px';
Element.makeClipping(element);
Element.cleanWhitespace(element);
Element.makePositioned(element.firstChild);
Element.show(element);
new Effect.Scale(element, 100,
Object.extend({ scaleContent: false,
scaleX: false,
scaleMode: 'contents',
scaleFrom: 0,
afterUpdate: function(effect)
{ effect.element.firstChild.style.bottom =
(effect.originalHeight - effect.element.clientHeight) + 'px'; },
afterFinish: function(effect)
{ Element.undoClipping(effect.element); }
}, arguments[1] || {})
);
}
Effect.SlideUp = function(element) {
element = $(element);
Element.makeClipping(element);
Element.cleanWhitespace(element);
Element.makePositioned(element.firstChild);
Element.show(element);
new Effect.Scale(element, 0,
Object.extend({ scaleContent: false,
scaleX: false,
afterUpdate: function(effect)
{ effect.element.firstChild.style.bottom =
(effect.originalHeight - effect.element.clientHeight) + 'px'; },
afterFinish: function(effect)
{
Element.hide(effect.element);
Element.undoClipping(effect.element);
}
}, arguments[1] || {})
);
}
Effect.Squish = function(element) {
new Effect.Scale(element, 0,
{ afterFinish: function(effect) { Element.hide(effect.element); } });
}
Effect.Grow = function(element) {
element = $(element);
var options = arguments[1] || {};
var originalWidth = element.clientWidth;
var originalHeight = element.clientHeight;
element.style.overflow = 'hidden';
Element.show(element);
var direction = options.direction || 'center';
var moveTransition = options.moveTransition || Effect.Transitions.sinoidal;
var scaleTransition = options.scaleTransition || Effect.Transitions.sinoidal;
var opacityTransition = options.opacityTransition || Effect.Transitions.full;
var initialMoveX, initialMoveY;
var moveX, moveY;
switch (direction) {
case 'top-left':
initialMoveX = initialMoveY = moveX = moveY = 0;
break;
case 'top-right':
initialMoveX = originalWidth;
initialMoveY = moveY = 0;
moveX = -originalWidth;
break;
case 'bottom-left':
initialMoveX = moveX = 0;
initialMoveY = originalHeight;
moveY = -originalHeight;
break;
case 'bottom-right':
initialMoveX = originalWidth;
initialMoveY = originalHeight;
moveX = -originalWidth;
moveY = -originalHeight;
break;
case 'center':
initialMoveX = originalWidth / 2;
initialMoveY = originalHeight / 2;
moveX = -originalWidth / 2;
moveY = -originalHeight / 2;
break;
}
new Effect.MoveBy(element, initialMoveY, initialMoveX, {
duration: 0.01,
beforeUpdate: function(effect) { $(element).style.height = '0px'; },
afterFinish: function(effect) {
new Effect.Parallel(
[ new Effect.Opacity(element, { sync: true, to: 1.0, from: 0.0, transition: opacityTransition }),
new Effect.MoveBy(element, moveY, moveX, { sync: true, transition: moveTransition }),
new Effect.Scale(element, 100, {
scaleMode: { originalHeight: originalHeight, originalWidth: originalWidth },
sync: true, scaleFrom: 0, scaleTo: 100, transition: scaleTransition })],
options); }
});
}
Effect.Shrink = function(element) {
element = $(element);
var options = arguments[1] || {};
var originalWidth = element.clientWidth;
var originalHeight = element.clientHeight;
element.style.overflow = 'hidden';
Element.show(element);
var direction = options.direction || 'center';
var moveTransition = options.moveTransition || Effect.Transitions.sinoidal;
var scaleTransition = options.scaleTransition || Effect.Transitions.sinoidal;
var opacityTransition = options.opacityTransition || Effect.Transitions.none;
var moveX, moveY;
switch (direction) {
case 'top-left':
moveX = moveY = 0;
break;
case 'top-right':
moveX = originalWidth;
moveY = 0;
break;
case 'bottom-left':
moveX = 0;
moveY = originalHeight;
break;
case 'bottom-right':
moveX = originalWidth;
moveY = originalHeight;
break;
case 'center':
moveX = originalWidth / 2;
moveY = originalHeight / 2;
break;
}
new Effect.Parallel(
[ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: opacityTransition }),
new Effect.Scale(element, 0, { sync: true, transition: moveTransition }),
new Effect.MoveBy(element, moveY, moveX, { sync: true, transition: scaleTransition }) ],
options);
}
Effect.Pulsate = function(element) {
var options = arguments[1] || {};
var transition = options.transition || Effect.Transitions.sinoidal;
var reverser = function(pos){ return transition(1-Effect.Transitions.pulse(pos)) };
reverser.bind(transition);
new Effect.Opacity(element,
Object.extend(Object.extend({ duration: 3.0,
afterFinish: function(effect) { Element.show(effect.element); }
}, options), {transition: reverser}));
}
Effect.Fold = function(element) {
$(element).style.overflow = 'hidden';
new Effect.Scale(element, 5, Object.extend({
scaleContent: false,
scaleTo: 100,
scaleX: false,
afterFinish: function(effect) {
new Effect.Scale(element, 1, {
scaleContent: false,
scaleTo: 0,
scaleY: false,
afterFinish: function(effect) { Element.hide(effect.element) } });
}}, arguments[1] || {}));
}
// old: new Effect.ContentZoom(element, percent)
// new: Element.setContentZoom(element, percent)
Element.setContentZoom = function(element, percent) {
var element = $(element);
element.style.fontSize = (percent/100) + "em";
if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
}
//-->
</script>