Alien-GvaScript
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lib/Alien/GvaScript/lib/prototype.js view on Meta::CPAN
var Class = (function() {
var IS_DONTENUM_BUGGY = (function(){
for (var p in { toString: 1 }) {
if (p === 'toString') return false;
}
return true;
})();
function subclass() {};
function create() {
var parent = null, properties = $A(arguments);
if (Object.isFunction(properties[0]))
parent = properties.shift();
function klass() {
this.initialize.apply(this, arguments);
}
Object.extend(klass, Class.Methods);
klass.superclass = parent;
klass.subclasses = [];
if (parent) {
subclass.prototype = parent.prototype;
klass.prototype = new subclass;
parent.subclasses.push(klass);
}
for (var i = 0, length = properties.length; i < length; i++)
klass.addMethods(properties[i]);
if (!klass.prototype.initialize)
klass.prototype.initialize = Prototype.emptyFunction;
klass.prototype.constructor = klass;
return klass;
}
function addMethods(source) {
var ancestor = this.superclass && this.superclass.prototype,
properties = Object.keys(source);
if (IS_DONTENUM_BUGGY) {
if (source.toString != Object.prototype.toString)
properties.push("toString");
if (source.valueOf != Object.prototype.valueOf)
properties.push("valueOf");
}
for (var i = 0, length = properties.length; i < length; i++) {
var property = properties[i], value = source[property];
if (ancestor && Object.isFunction(value) &&
value.argumentNames()[0] == "$super") {
var method = value;
value = (function(m) {
return function() { return ancestor[m].apply(this, arguments); };
})(property).wrap(method);
value.valueOf = method.valueOf.bind(method);
value.toString = method.toString.bind(method);
}
this.prototype[property] = value;
}
return this;
}
return {
create: create,
Methods: {
addMethods: addMethods
}
};
})();
(function() {
var _toString = Object.prototype.toString,
NULL_TYPE = 'Null',
UNDEFINED_TYPE = 'Undefined',
BOOLEAN_TYPE = 'Boolean',
NUMBER_TYPE = 'Number',
STRING_TYPE = 'String',
OBJECT_TYPE = 'Object',
FUNCTION_CLASS = '[object Function]',
BOOLEAN_CLASS = '[object Boolean]',
NUMBER_CLASS = '[object Number]',
STRING_CLASS = '[object String]',
ARRAY_CLASS = '[object Array]',
DATE_CLASS = '[object Date]',
NATIVE_JSON_STRINGIFY_SUPPORT = window.JSON &&
typeof JSON.stringify === 'function' &&
JSON.stringify(0) === '0' &&
typeof JSON.stringify(Prototype.K) === 'undefined';
function Type(o) {
switch(o) {
case null: return NULL_TYPE;
case (void 0): return UNDEFINED_TYPE;
}
var type = typeof o;
switch(type) {
case 'boolean': return BOOLEAN_TYPE;
case 'number': return NUMBER_TYPE;
case 'string': return STRING_TYPE;
}
return OBJECT_TYPE;
}
function extend(destination, source) {
for (var property in source)
destination[property] = source[property];
return destination;
}
function inspect(object) {
try {
if (isUndefined(object)) return 'undefined';
if (object === null) return 'null';
return object.inspect ? object.inspect() : String(object);
} catch (e) {
lib/Alien/GvaScript/lib/prototype.js view on Meta::CPAN
function isFunction(object) {
return _toString.call(object) === FUNCTION_CLASS;
}
function isString(object) {
return _toString.call(object) === STRING_CLASS;
}
function isNumber(object) {
return _toString.call(object) === NUMBER_CLASS;
}
function isDate(object) {
return _toString.call(object) === DATE_CLASS;
}
function isUndefined(object) {
return typeof object === "undefined";
}
extend(Object, {
extend: extend,
inspect: inspect,
toJSON: NATIVE_JSON_STRINGIFY_SUPPORT ? stringify : toJSON,
toQueryString: toQueryString,
toHTML: toHTML,
keys: Object.keys || keys,
values: values,
clone: clone,
isElement: isElement,
isArray: isArray,
isHash: isHash,
isFunction: isFunction,
isString: isString,
isNumber: isNumber,
isDate: isDate,
isUndefined: isUndefined
});
})();
Object.extend(Function.prototype, (function() {
var slice = Array.prototype.slice;
function update(array, args) {
var arrayLength = array.length, length = args.length;
while (length--) array[arrayLength + length] = args[length];
return array;
}
function merge(array, args) {
array = slice.call(array, 0);
return update(array, args);
}
function argumentNames() {
var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
.replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
.replace(/\s+/g, '').split(',');
return names.length == 1 && !names[0] ? [] : names;
}
function bind(context) {
if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
var __method = this, args = slice.call(arguments, 1);
return function() {
var a = merge(args, arguments);
return __method.apply(context, a);
}
}
function bindAsEventListener(context) {
var __method = this, args = slice.call(arguments, 1);
return function(event) {
var a = update([event || window.event], args);
return __method.apply(context, a);
}
}
function curry() {
if (!arguments.length) return this;
var __method = this, args = slice.call(arguments, 0);
return function() {
var a = merge(args, arguments);
return __method.apply(this, a);
}
}
function delay(timeout) {
var __method = this, args = slice.call(arguments, 1);
timeout = timeout * 1000;
return window.setTimeout(function() {
return __method.apply(__method, args);
}, timeout);
}
function defer() {
var args = update([0.01], arguments);
return this.delay.apply(this, args);
}
function wrap(wrapper) {
var __method = this;
return function() {
var a = update([__method.bind(this)], arguments);
return wrapper.apply(this, a);
}
}
function methodize() {
if (this._methodized) return this._methodized;
var __method = this;
return this._methodized = function() {
var a = update([this], arguments);
return __method.apply(null, a);
};
}
return {
argumentNames: argumentNames,
bind: bind,
bindAsEventListener: bindAsEventListener,
curry: curry,
delay: delay,
defer: defer,
wrap: wrap,
methodize: methodize
}
})());
(function(proto) {
function toISOString() {
return this.getUTCFullYear() + '-' +
(this.getUTCMonth() + 1).toPaddedString(2) + '-' +
this.getUTCDate().toPaddedString(2) + 'T' +
this.getUTCHours().toPaddedString(2) + ':' +
this.getUTCMinutes().toPaddedString(2) + ':' +
this.getUTCSeconds().toPaddedString(2) + 'Z';
}
function toJSON() {
return this.toISOString();
}
if (!proto.toISOString) proto.toISOString = toISOString;
if (!proto.toJSON) proto.toJSON = toJSON;
})(Date.prototype);
RegExp.prototype.match = RegExp.prototype.test;
RegExp.escape = function(str) {
return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};
var PeriodicalExecuter = Class.create({
initialize: function(callback, frequency) {
this.callback = callback;
this.frequency = frequency;
this.currentlyExecuting = false;
this.registerCallback();
},
registerCallback: function() {
this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
},
execute: function() {
this.callback(this);
},
stop: function() {
if (!this.timer) return;
clearInterval(this.timer);
this.timer = null;
},
onTimerEvent: function() {
if (!this.currentlyExecuting) {
try {
this.currentlyExecuting = true;
this.execute();
this.currentlyExecuting = false;
} catch(e) {
this.currentlyExecuting = false;
throw e;
}
}
}
});
Object.extend(String, {
interpret: function(value) {
return value == null ? '' : String(value);
},
specialChar: {
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'\\': '\\\\'
}
});
Object.extend(String.prototype, (function() {
var NATIVE_JSON_PARSE_SUPPORT = window.JSON &&
typeof JSON.parse === 'function' &&
JSON.parse('{"test": true}').test;
function prepareReplacement(replacement) {
if (Object.isFunction(replacement)) return replacement;
var template = new Template(replacement);
return function(match) { return template.evaluate(match) };
}
function gsub(pattern, replacement) {
var result = '', source = this, match;
replacement = prepareReplacement(replacement);
if (Object.isString(pattern))
pattern = RegExp.escape(pattern);
if (!(pattern.length || pattern.source)) {
replacement = replacement('');
return replacement + source.split('').join(replacement) + replacement;
lib/Alien/GvaScript/lib/prototype.js view on Meta::CPAN
Object.extend(Ajax.Responders, Enumerable);
Ajax.Responders.register({
onCreate: function() { Ajax.activeRequestCount++ },
onComplete: function() { Ajax.activeRequestCount-- }
});
Ajax.Base = Class.create({
initialize: function(options) {
this.options = {
method: 'post',
asynchronous: true,
contentType: 'application/x-www-form-urlencoded',
encoding: 'UTF-8',
parameters: '',
evalJSON: true,
evalJS: true
};
Object.extend(this.options, options || { });
this.options.method = this.options.method.toLowerCase();
if (Object.isHash(this.options.parameters))
this.options.parameters = this.options.parameters.toObject();
}
});
Ajax.Request = Class.create(Ajax.Base, {
_complete: false,
initialize: function($super, url, options) {
$super(options);
this.transport = Ajax.getTransport();
this.request(url);
},
request: function(url) {
this.url = url;
this.method = this.options.method;
var params = Object.isString(this.options.parameters) ?
this.options.parameters :
Object.toQueryString(this.options.parameters);
if (!['get', 'post'].include(this.method)) {
params += (params ? '&' : '') + "_method=" + this.method;
this.method = 'post';
}
if (params && this.method === 'get') {
this.url += (this.url.include('?') ? '&' : '?') + params;
}
this.parameters = params.toQueryParams();
try {
var response = new Ajax.Response(this);
if (this.options.onCreate) this.options.onCreate(response);
Ajax.Responders.dispatch('onCreate', this, response);
this.transport.open(this.method.toUpperCase(), this.url,
this.options.asynchronous);
if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
this.transport.onreadystatechange = this.onStateChange.bind(this);
this.setRequestHeaders();
this.body = this.method == 'post' ? (this.options.postBody || params) : null;
this.transport.send(this.body);
/* Force Firefox to handle ready state 4 for synchronous requests */
if (!this.options.asynchronous && this.transport.overrideMimeType)
this.onStateChange();
}
catch (e) {
this.dispatchException(e);
}
},
onStateChange: function() {
var readyState = this.transport.readyState;
if (readyState > 1 && !((readyState == 4) && this._complete))
this.respondToReadyState(this.transport.readyState);
},
setRequestHeaders: function() {
var headers = {
'X-Requested-With': 'XMLHttpRequest',
'X-Prototype-Version': Prototype.Version,
'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
};
if (this.method == 'post') {
headers['Content-type'] = this.options.contentType +
(this.options.encoding ? '; charset=' + this.options.encoding : '');
/* Force "Connection: close" for older Mozilla browsers to work
* around a bug where XMLHttpRequest sends an incorrect
* Content-length header. See Mozilla Bugzilla #246651.
*/
if (this.transport.overrideMimeType &&
(navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
headers['Connection'] = 'close';
}
if (typeof this.options.requestHeaders == 'object') {
var extras = this.options.requestHeaders;
if (Object.isFunction(extras.push))
for (var i = 0, length = extras.length; i < length; i += 2)
headers[extras[i]] = extras[i+1];
else
$H(extras).each(function(pair) { headers[pair.key] = pair.value });
}
for (var name in headers)
this.transport.setRequestHeader(name, headers[name]);
},
success: function() {
var status = this.getStatus();
return !status || (status >= 200 && status < 300) || status == 304;
},
lib/Alien/GvaScript/lib/prototype.js view on Meta::CPAN
try {
return this.transport.statusText || '';
} catch (e) { return '' }
},
getHeader: Ajax.Request.prototype.getHeader,
getAllHeaders: function() {
try {
return this.getAllResponseHeaders();
} catch (e) { return null }
},
getResponseHeader: function(name) {
return this.transport.getResponseHeader(name);
},
getAllResponseHeaders: function() {
return this.transport.getAllResponseHeaders();
},
_getHeaderJSON: function() {
var json = this.getHeader('X-JSON');
if (!json) return null;
json = decodeURIComponent(escape(json));
try {
return json.evalJSON(this.request.options.sanitizeJSON ||
!this.request.isSameOrigin());
} catch (e) {
this.request.dispatchException(e);
}
},
_getResponseJSON: function() {
var options = this.request.options;
if (!options.evalJSON || (options.evalJSON != 'force' &&
!(this.getHeader('Content-type') || '').include('application/json')) ||
this.responseText.blank())
return null;
try {
return this.responseText.evalJSON(options.sanitizeJSON ||
!this.request.isSameOrigin());
} catch (e) {
this.request.dispatchException(e);
}
}
});
Ajax.Updater = Class.create(Ajax.Request, {
initialize: function($super, container, url, options) {
this.container = {
success: (container.success || container),
failure: (container.failure || (container.success ? null : container))
};
options = Object.clone(options);
var onComplete = options.onComplete;
options.onComplete = (function(response, json) {
this.updateContent(response.responseText);
if (Object.isFunction(onComplete)) onComplete(response, json);
}).bind(this);
$super(url, options);
},
updateContent: function(responseText) {
var receiver = this.container[this.success() ? 'success' : 'failure'],
options = this.options;
if (!options.evalScripts) responseText = responseText.stripScripts();
if (receiver = $(receiver)) {
if (options.insertion) {
if (Object.isString(options.insertion)) {
var insertion = { }; insertion[options.insertion] = responseText;
receiver.insert(insertion);
}
else options.insertion(receiver, responseText);
}
else receiver.update(responseText);
}
}
});
Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
initialize: function($super, container, url, options) {
$super(options);
this.onComplete = this.options.onComplete;
this.frequency = (this.options.frequency || 2);
this.decay = (this.options.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.options.onComplete = undefined;
clearTimeout(this.timer);
(this.onComplete || Prototype.emptyFunction).apply(this, arguments);
},
updateComplete: function(response) {
if (this.options.decay) {
this.decay = (response.responseText == this.lastText ?
this.decay * this.options.decay : 1);
this.lastText = response.responseText;
}
this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
},
onTimerEvent: function() {
this.updater = new Ajax.Updater(this.container, this.url, this.options);
}
});
function $(element) {
if (arguments.length > 1) {
for (var i = 0, elements = [], length = arguments.length; i < length; i++)
elements.push($(arguments[i]));
return elements;
}
if (Object.isString(element))
element = document.getElementById(element);
return Element.extend(element);
}
if (Prototype.BrowserFeatures.XPath) {
document._getElementsByXPath = function(expression, parentElement) {
var results = [];
var query = document.evaluate(expression, $(parentElement) || document,
null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
for (var i = 0, length = query.snapshotLength; i < length; i++)
results.push(Element.extend(query.snapshotItem(i)));
return results;
};
}
/*--------------------------------------------------------------------------*/
if (!Node) var Node = { };
if (!Node.ELEMENT_NODE) {
Object.extend(Node, {
ELEMENT_NODE: 1,
ATTRIBUTE_NODE: 2,
TEXT_NODE: 3,
CDATA_SECTION_NODE: 4,
ENTITY_REFERENCE_NODE: 5,
ENTITY_NODE: 6,
PROCESSING_INSTRUCTION_NODE: 7,
COMMENT_NODE: 8,
DOCUMENT_NODE: 9,
DOCUMENT_TYPE_NODE: 10,
DOCUMENT_FRAGMENT_NODE: 11,
NOTATION_NODE: 12
});
}
(function(global) {
function shouldUseCache(tagName, attributes) {
if (tagName === 'select') return false;
if ('type' in attributes) return false;
return true;
}
lib/Alien/GvaScript/lib/prototype.js view on Meta::CPAN
isBuggy = false;
try {
s.appendChild(document.createTextNode(""));
isBuggy = !s.firstChild ||
s.firstChild && s.firstChild.nodeType !== 3;
} catch (e) {
isBuggy = true;
}
s = null;
return isBuggy;
})();
function update(element, content) {
element = $(element);
var purgeElement = Element._purgeElement;
var descendants = element.getElementsByTagName('*'),
i = descendants.length;
while (i--) purgeElement(descendants[i]);
if (content && content.toElement)
content = content.toElement();
if (Object.isElement(content))
return element.update().insert(content);
content = Object.toHTML(content);
var tagName = element.tagName.toUpperCase();
if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
element.text = content;
return element;
}
if (ANY_INNERHTML_BUGGY) {
if (tagName in Element._insertionTranslations.tags) {
while (element.firstChild) {
element.removeChild(element.firstChild);
}
Element._getContentFromAnonymousElement(tagName, content.stripScripts())
.each(function(node) {
element.appendChild(node)
});
} else if (LINK_ELEMENT_INNERHTML_BUGGY && Object.isString(content) && content.indexOf('<link') > -1) {
while (element.firstChild) {
element.removeChild(element.firstChild);
}
var nodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts(), true);
nodes.each(function(node) { element.appendChild(node) });
}
else {
element.innerHTML = content.stripScripts();
}
}
else {
element.innerHTML = content.stripScripts();
}
content.evalScripts.bind(content).defer();
return element;
}
return update;
})(),
replace: function(element, content) {
element = $(element);
if (content && content.toElement) content = content.toElement();
else if (!Object.isElement(content)) {
content = Object.toHTML(content);
var range = element.ownerDocument.createRange();
range.selectNode(element);
content.evalScripts.bind(content).defer();
content = range.createContextualFragment(content.stripScripts());
}
element.parentNode.replaceChild(content, element);
return element;
},
insert: function(element, insertions) {
element = $(element);
if (Object.isString(insertions) || Object.isNumber(insertions) ||
Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
insertions = {bottom:insertions};
var content, insert, tagName, childNodes;
for (var position in insertions) {
content = insertions[position];
position = position.toLowerCase();
insert = Element._insertionTranslations[position];
if (content && content.toElement) content = content.toElement();
if (Object.isElement(content)) {
insert(element, content);
continue;
}
content = Object.toHTML(content);
tagName = ((position == 'before' || position == 'after')
? element.parentNode : element).tagName.toUpperCase();
childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
if (position == 'top' || position == 'after') childNodes.reverse();
childNodes.each(insert.curry(element));
content.evalScripts.bind(content).defer();
}
return element;
},
wrap: function(element, wrapper, attributes) {
element = $(element);
if (Object.isElement(wrapper))
$(wrapper).writeAttribute(attributes || { });
else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
else wrapper = new Element('div', wrapper);
if (element.parentNode)
element.parentNode.replaceChild(wrapper, element);
wrapper.appendChild(element);
return wrapper;
},
inspect: function(element) {
element = $(element);
var result = '<' + element.tagName.toLowerCase();
$H({'id': 'id', 'className': 'class'}).each(function(pair) {
var property = pair.first(),
attribute = pair.last(),
value = (element[property] || '').toString();
if (value) result += ' ' + attribute + '=' + value.inspect(true);
});
return result + '>';
},
recursivelyCollect: function(element, property, maximumLength) {
element = $(element);
maximumLength = maximumLength || -1;
var elements = [];
while (element = element[property]) {
if (element.nodeType == 1)
elements.push(Element.extend(element));
if (elements.length == maximumLength)
break;
}
return elements;
},
ancestors: function(element) {
return Element.recursivelyCollect(element, 'parentNode');
},
descendants: function(element) {
return Element.select(element, "*");
},
firstDescendant: function(element) {
element = $(element).firstChild;
while (element && element.nodeType != 1) element = element.nextSibling;
return $(element);
},
immediateDescendants: function(element) {
var results = [], child = $(element).firstChild;
lib/Alien/GvaScript/lib/prototype.js view on Meta::CPAN
return Object.isNumber(expression) ? _descendants(element)[expression] :
Element.select(element, expression)[index || 0];
}
})();
}
}
else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
Element.Methods.setOpacity = function(element, value) {
element = $(element);
element.style.opacity = (value == 1) ? 0.999999 :
(value === '') ? '' : (value < 0.00001) ? 0 : value;
return element;
};
}
else if (Prototype.Browser.WebKit) {
Element.Methods.setOpacity = function(element, value) {
element = $(element);
element.style.opacity = (value == 1 || value === '') ? '' :
(value < 0.00001) ? 0 : value;
if (value == 1)
if (element.tagName.toUpperCase() == 'IMG' && element.width) {
element.width++; element.width--;
} else try {
var n = document.createTextNode(' ');
element.appendChild(n);
element.removeChild(n);
} catch (e) { }
return element;
};
}
if ('outerHTML' in document.documentElement) {
Element.Methods.replace = function(element, content) {
element = $(element);
if (content && content.toElement) content = content.toElement();
if (Object.isElement(content)) {
element.parentNode.replaceChild(content, element);
return element;
}
content = Object.toHTML(content);
var parent = element.parentNode, tagName = parent.tagName.toUpperCase();
if (Element._insertionTranslations.tags[tagName]) {
var nextSibling = element.next(),
fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
parent.removeChild(element);
if (nextSibling)
fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
else
fragments.each(function(node) { parent.appendChild(node) });
}
else element.outerHTML = content.stripScripts();
content.evalScripts.bind(content).defer();
return element;
};
}
Element._returnOffset = function(l, t) {
var result = [l, t];
result.left = l;
result.top = t;
return result;
};
Element._getContentFromAnonymousElement = function(tagName, html, force) {
var div = new Element('div'),
t = Element._insertionTranslations.tags[tagName];
var workaround = false;
if (t) workaround = true;
else if (force) {
workaround = true;
t = ['', '', 0];
}
if (workaround) {
div.innerHTML = ' ' + t[0] + html + t[1];
div.removeChild(div.firstChild);
for (var i = t[2]; i--; ) {
div = div.firstChild;
}
}
else {
div.innerHTML = html;
}
return $A(div.childNodes);
};
Element._insertionTranslations = {
before: function(element, node) {
element.parentNode.insertBefore(node, element);
},
top: function(element, node) {
element.insertBefore(node, element.firstChild);
},
bottom: function(element, node) {
element.appendChild(node);
},
after: function(element, node) {
element.parentNode.insertBefore(node, element.nextSibling);
},
tags: {
TABLE: ['<table>', '</table>', 1],
TBODY: ['<table><tbody>', '</tbody></table>', 2],
TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3],
TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
SELECT: ['<select>', '</select>', 1]
}
};
(function() {
var tags = Element._insertionTranslations.tags;
Object.extend(tags, {
lib/Alien/GvaScript/lib/prototype.js view on Meta::CPAN
Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
initialize: function($super, element, frequency, callback) {
$super(callback, frequency);
this.element = $(element);
this.lastValue = this.getValue();
},
execute: function() {
var value = this.getValue();
if (Object.isString(this.lastValue) && Object.isString(value) ?
this.lastValue != value : String(this.lastValue) != String(value)) {
this.callback(this.element, value);
this.lastValue = value;
}
}
});
Form.Element.Observer = Class.create(Abstract.TimedObserver, {
getValue: function() {
return Form.Element.getValue(this.element);
}
});
Form.Observer = Class.create(Abstract.TimedObserver, {
getValue: function() {
return Form.serialize(this.element);
}
});
/*--------------------------------------------------------------------------*/
Abstract.EventObserver = Class.create({
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() {
Form.getElements(this.element).each(this.registerCallback, this);
},
registerCallback: function(element) {
if (element.type) {
switch (element.type.toLowerCase()) {
case 'checkbox':
case 'radio':
Event.observe(element, 'click', this.onElementEvent.bind(this));
break;
default:
Event.observe(element, 'change', this.onElementEvent.bind(this));
break;
}
}
}
});
Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
getValue: function() {
return Form.Element.getValue(this.element);
}
});
Form.EventObserver = Class.create(Abstract.EventObserver, {
getValue: function() {
return Form.serialize(this.element);
}
});
(function() {
var 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,
KEY_HOME: 36,
KEY_END: 35,
KEY_PAGEUP: 33,
KEY_PAGEDOWN: 34,
KEY_INSERT: 45,
cache: {}
};
var docEl = document.documentElement;
var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
&& 'onmouseleave' in docEl;
var isIELegacyEvent = function(event) { return false; };
if (window.attachEvent) {
if (window.addEventListener) {
isIELegacyEvent = function(event) {
return !(event instanceof window.Event);
};
} else {
isIELegacyEvent = function(event) { return true; };
}
}
var _isButton;
function _isButtonForDOMEvents(event, code) {
return event.which ? (event.which === code + 1) : (event.button === code);
lib/Alien/GvaScript/lib/prototype.js view on Meta::CPAN
break;
}
}
if (!responder) return element;
if (eventName.include(':')) {
if (element.removeEventListener)
element.removeEventListener("dataavailable", responder, false);
else {
element.detachEvent("ondataavailable", responder);
element.detachEvent("onlosecapture", responder);
}
} else {
var actualEventName = _getDOMEventName(eventName);
if (element.removeEventListener)
element.removeEventListener(actualEventName, responder, false);
else
element.detachEvent('on' + actualEventName, responder);
}
registry.set(eventName, responders.without(responder));
return element;
}
function fire(element, eventName, memo, bubble) {
element = $(element);
if (Object.isUndefined(bubble))
bubble = true;
if (element == document && document.createEvent && !element.dispatchEvent)
element = document.documentElement;
var event;
if (document.createEvent) {
event = document.createEvent('HTMLEvents');
event.initEvent('dataavailable', bubble, true);
} else {
event = document.createEventObject();
event.eventType = bubble ? 'ondataavailable' : 'onlosecapture';
}
event.eventName = eventName;
event.memo = memo || { };
if (document.createEvent)
element.dispatchEvent(event);
else
element.fireEvent(event.eventType, event);
return Event.extend(event);
}
Event.Handler = Class.create({
initialize: function(element, eventName, selector, callback) {
this.element = $(element);
this.eventName = eventName;
this.selector = selector;
this.callback = callback;
this.handler = this.handleEvent.bind(this);
},
start: function() {
Event.observe(this.element, this.eventName, this.handler);
return this;
},
stop: function() {
Event.stopObserving(this.element, this.eventName, this.handler);
return this;
},
handleEvent: function(event) {
var element = Event.findElement(event, this.selector);
if (element) this.callback.call(this.element, event, element);
}
});
function on(element, eventName, selector, callback) {
element = $(element);
if (Object.isFunction(selector) && Object.isUndefined(callback)) {
callback = selector, selector = null;
}
return new Event.Handler(element, eventName, selector, callback).start();
}
Object.extend(Event, Event.Methods);
Object.extend(Event, {
fire: fire,
observe: observe,
stopObserving: stopObserving,
on: on
});
Element.addMethods({
fire: fire,
observe: observe,
stopObserving: stopObserving,
on: on
});
Object.extend(document, {
fire: fire.methodize(),
observe: observe.methodize(),
stopObserving: stopObserving.methodize(),
on: on.methodize(),
loaded: false
});
if (window.Event) Object.extend(window.Event, Event);
else window.Event = Event;
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