-/* 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.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';
- }
-}
HCoop / clinton / lisp-on-lines.git / commitdiff