Template:Bielefeld-CeBiTec/prototyp.js
/* Prototype JavaScript framework, version 1.7
* (c) 2005-2010 Sam Stephenson * * Prototype is freely distributable under the terms of an MIT-style license. * For details, see the Prototype web site: http://www.prototypejs.org/ * *--------------------------------------------------------------------------*/
var Prototype = {
Version: '1.7',
Browser: (function(){ var ua = navigator.userAgent; var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]'; return { IE: !!window.attachEvent && !isOpera, Opera: isOpera, WebKit: ua.indexOf('AppleWebKit/') > -1, Gecko: ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1, MobileSafari: /Apple.*Mobile/.test(ua) } })(),
BrowserFeatures: { XPath: !!document.evaluate,
SelectorsAPI: !!document.querySelector,
ElementExtensions: (function() { var constructor = window.Element || window.HTMLElement; return !!(constructor && constructor.prototype); })(), SpecificElementExtensions: (function() { if (typeof window.HTMLDivElement !== 'undefined') return true;
var div = document.createElement('div'), form = document.createElement('form'), isSupported = false;
if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) { isSupported = true; }
div = form = null;
return isSupported; })() },
ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>', JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
emptyFunction: function() { },
K: function(x) { return x }
};
if (Prototype.Browser.MobileSafari)
Prototype.BrowserFeatures.SpecificElementExtensions = false;
/* Based on Alex Arnell's inheritance implementation. */
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) { if (e instanceof RangeError) return '...'; throw e; } }
function toJSON(value) { return Str(, { : value }, []); }
function Str(key, holder, stack) { var value = holder[key], type = typeof value;
if (Type(value) === OBJECT_TYPE && typeof value.toJSON === 'function') { value = value.toJSON(key); }
var _class = _toString.call(value);
switch (_class) { case NUMBER_CLASS: case BOOLEAN_CLASS: case STRING_CLASS: value = value.valueOf(); }
switch (value) { case null: return 'null'; case true: return 'true'; case false: return 'false'; }
type = typeof value; switch (type) { case 'string': return value.inspect(true); case 'number': return isFinite(value) ? String(value) : 'null'; case 'object':
for (var i = 0, length = stack.length; i < length; i++) { if (stack[i] === value) { throw new TypeError(); } } stack.push(value);
var partial = []; if (_class === ARRAY_CLASS) { for (var i = 0, length = value.length; i < length; i++) { var str = Str(i, value, stack); partial.push(typeof str === 'undefined' ? 'null' : str); } partial = '[' + partial.join(',') + ']'; } else { var keys = Object.keys(value); for (var i = 0, length = keys.length; i < length; i++) { var key = keys[i], str = Str(key, value, stack); if (typeof str !== "undefined") { partial.push(key.inspect(true)+ ':' + str); } } partial = '{' + partial.join(',') + '}'; } stack.pop(); return partial; } }
function stringify(object) { return JSON.stringify(object); }
function toQueryString(object) { return $H(object).toQueryString(); }
function toHTML(object) { return object && object.toHTML ? object.toHTML() : String.interpret(object); }
function keys(object) { if (Type(object) !== OBJECT_TYPE) { throw new TypeError(); } var results = []; for (var property in object) { if (object.hasOwnProperty(property)) { results.push(property); } } return results; }
function values(object) { var results = []; for (var property in object) results.push(object[property]); return results; }
function clone(object) { return extend({ }, object); }
function isElement(object) { return !!(object && object.nodeType == 1); }
function isArray(object) { return _toString.call(object) === ARRAY_CLASS; }
var hasNativeIsArray = (typeof Array.isArray == 'function') && Array.isArray([]) && !Array.isArray({});
if (hasNativeIsArray) { isArray = Array.isArray; }
function isHash(object) { return object instanceof Hash; }
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; }
while (source.length > 0) { if (match = source.match(pattern)) { result += source.slice(0, match.index); result += String.interpret(replacement(match)); source = source.slice(match.index + match[0].length); } else { result += source, source = ; } } return result; }
function sub(pattern, replacement, count) { replacement = prepareReplacement(replacement); count = Object.isUndefined(count) ? 1 : count;
return this.gsub(pattern, function(match) { if (--count < 0) return match[0]; return replacement(match); }); }
function scan(pattern, iterator) { this.gsub(pattern, iterator); return String(this); }
function truncate(length, truncation) { length = length || 30; truncation = Object.isUndefined(truncation) ? '...' : truncation; return this.length > length ? this.slice(0, length - truncation.length) + truncation : String(this); }
function strip() { return this.replace(/^\s+/, ).replace(/\s+$/, ); }
function stripTags() { return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, ); }
function stripScripts() { return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ); }
function extractScripts() { var matchAll = new RegExp(Prototype.ScriptFragment, 'img'), matchOne = new RegExp(Prototype.ScriptFragment, 'im'); return (this.match(matchAll) || []).map(function(scriptTag) { return (scriptTag.match(matchOne) || [, ])[1]; }); }
function evalScripts() { return this.extractScripts().map(function(script) { return eval(script) }); }
function escapeHTML() { return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); }
function unescapeHTML() { return this.stripTags().replace(/</g,'<').replace(/>/g,'>').replace(/&/g,'&'); }
function toQueryParams(separator) { var match = this.strip().match(/([^?#]*)(#.*)?$/); if (!match) return { };
return match[1].split(separator || '&').inject({ }, function(hash, pair) { if ((pair = pair.split('='))[0]) { var key = decodeURIComponent(pair.shift()), value = pair.length > 1 ? pair.join('=') : pair[0];
if (value != undefined) value = decodeURIComponent(value);
if (key in hash) { if (!Object.isArray(hash[key])) hash[key] = [hash[key]]; hash[key].push(value); } else hash[key] = value; } return hash; }); }
function toArray() { return this.split(); }
function succ() { return this.slice(0, this.length - 1) + String.fromCharCode(this.charCodeAt(this.length - 1) + 1); }
function times(count) { return count < 1 ? : new Array(count + 1).join(this); }
function camelize() { return this.replace(/-+(.)?/g, function(match, chr) { return chr ? chr.toUpperCase() : ; }); }
function capitalize() { return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); }
function underscore() { return this.replace(/::/g, '/') .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2') .replace(/([a-z\d])([A-Z])/g, '$1_$2') .replace(/-/g, '_') .toLowerCase(); }
function dasherize() { return this.replace(/_/g, '-'); }
function inspect(useDoubleQuotes) { var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) { if (character in String.specialChar) { return String.specialChar[character]; } return '\\u00' + character.charCodeAt().toPaddedString(2, 16); }); if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; return "'" + escapedString.replace(/'/g, '\\\) + "'"; }
function unfilterJSON(filter) { return this.replace(filter || Prototype.JSONFilter, '$1'); }
function isJSON() { var str = this; if (str.blank()) return false; str = str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@'); str = str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']'); str = str.replace(/(?:^|:|,)(?:\s*\[)+/g, ); return (/^[\],:{}\s]*$/).test(str); }
function evalJSON(sanitize) { var json = this.unfilterJSON(), cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g; if (cx.test(json)) { json = json.replace(cx, function (a) { return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); }); } try { if (!sanitize || json.isJSON()) return eval('(' + json + ')'); } catch (e) { } throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); }
function parseJSON() { var json = this.unfilterJSON(); return JSON.parse(json); }
function include(pattern) { return this.indexOf(pattern) > -1; }
function startsWith(pattern) { return this.lastIndexOf(pattern, 0) === 0; }
function endsWith(pattern) { var d = this.length - pattern.length; return d >= 0 && this.indexOf(pattern, d) === d; }
function empty() { return this == ; }
function blank() { return /^\s*$/.test(this); }
function interpolate(object, pattern) { return new Template(this, pattern).evaluate(object); }
return { gsub: gsub, sub: sub, scan: scan, truncate: truncate, strip: String.prototype.trim || strip, stripTags: stripTags, stripScripts: stripScripts, extractScripts: extractScripts, evalScripts: evalScripts, escapeHTML: escapeHTML, unescapeHTML: unescapeHTML, toQueryParams: toQueryParams, parseQuery: toQueryParams, toArray: toArray, succ: succ, times: times, camelize: camelize, capitalize: capitalize, underscore: underscore, dasherize: dasherize, inspect: inspect, unfilterJSON: unfilterJSON, isJSON: isJSON, evalJSON: NATIVE_JSON_PARSE_SUPPORT ? parseJSON : evalJSON, include: include, startsWith: startsWith, endsWith: endsWith, empty: empty, blank: blank, interpolate: interpolate };
})());
var Template = Class.create({
initialize: function(template, pattern) { this.template = template.toString(); this.pattern = pattern || Template.Pattern; },
evaluate: function(object) { if (object && Object.isFunction(object.toTemplateReplacements)) object = object.toTemplateReplacements();
return this.template.gsub(this.pattern, function(match) { if (object == null) return (match[1] + );
var before = match[1] || ; if (before == '\\') return match[2];
var ctx = object, expr = match[3], pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
match = pattern.exec(expr); if (match == null) return before;
while (match != null) { var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1]; ctx = ctx[comp]; if (null == ctx || == match[3]) break; expr = expr.substring('[' == match[3] ? match[1].length : match[0].length); match = pattern.exec(expr); }
return before + String.interpret(ctx); }); }
}); Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
var $break = { };
var Enumerable = (function() {
function each(iterator, context) { var index = 0; try { this._each(function(value) { iterator.call(context, value, index++); }); } catch (e) { if (e != $break) throw e; } return this; }
function eachSlice(number, iterator, context) { var index = -number, slices = [], array = this.toArray(); if (number < 1) return array; while ((index += number) < array.length) slices.push(array.slice(index, index+number)); return slices.collect(iterator, context); }
function all(iterator, context) { iterator = iterator || Prototype.K; var result = true; this.each(function(value, index) { result = result && !!iterator.call(context, value, index); if (!result) throw $break; }); return result; }
function any(iterator, context) { iterator = iterator || Prototype.K; var result = false; this.each(function(value, index) { if (result = !!iterator.call(context, value, index)) throw $break; }); return result; }
function collect(iterator, context) { iterator = iterator || Prototype.K; var results = []; this.each(function(value, index) { results.push(iterator.call(context, value, index)); }); return results; }
function detect(iterator, context) { var result; this.each(function(value, index) { if (iterator.call(context, value, index)) { result = value; throw $break; } }); return result; }
function findAll(iterator, context) { var results = []; this.each(function(value, index) { if (iterator.call(context, value, index)) results.push(value); }); return results; }
function grep(filter, iterator, context) { iterator = iterator || Prototype.K; var results = [];
if (Object.isString(filter)) filter = new RegExp(RegExp.escape(filter));
this.each(function(value, index) { if (filter.match(value)) results.push(iterator.call(context, value, index)); }); return results; }
function include(object) { if (Object.isFunction(this.indexOf)) if (this.indexOf(object) != -1) return true;
var found = false; this.each(function(value) { if (value == object) { found = true; throw $break; } }); return found; }
function inGroupsOf(number, fillWith) { fillWith = Object.isUndefined(fillWith) ? null : fillWith; return this.eachSlice(number, function(slice) { while(slice.length < number) slice.push(fillWith); return slice; }); }
function inject(memo, iterator, context) { this.each(function(value, index) { memo = iterator.call(context, memo, value, index); }); return memo; }
function invoke(method) { var args = $A(arguments).slice(1); return this.map(function(value) { return value[method].apply(value, args); }); }
function max(iterator, context) { iterator = iterator || Prototype.K; var result; this.each(function(value, index) { value = iterator.call(context, value, index); if (result == null || value >= result) result = value; }); return result; }
function min(iterator, context) { iterator = iterator || Prototype.K; var result; this.each(function(value, index) { value = iterator.call(context, value, index); if (result == null || value < result) result = value; }); return result; }
function partition(iterator, context) { iterator = iterator || Prototype.K; var trues = [], falses = []; this.each(function(value, index) { (iterator.call(context, value, index) ? trues : falses).push(value); }); return [trues, falses]; }
function pluck(property) { var results = []; this.each(function(value) { results.push(value[property]); }); return results; }
function reject(iterator, context) { var results = []; this.each(function(value, index) { if (!iterator.call(context, value, index)) results.push(value); }); return results; }
function sortBy(iterator, context) { return this.map(function(value, index) { return { value: value, criteria: iterator.call(context, value, index) }; }).sort(function(left, right) { var a = left.criteria, b = right.criteria; return a < b ? -1 : a > b ? 1 : 0; }).pluck('value'); }
function toArray() { return this.map(); }
function zip() { var iterator = Prototype.K, args = $A(arguments); if (Object.isFunction(args.last())) iterator = args.pop();
var collections = [this].concat(args).map($A); return this.map(function(value, index) { return iterator(collections.pluck(index)); }); }
function size() { return this.toArray().length; }
function inspect() { return '#<Enumerable:' + this.toArray().inspect() + '>'; }
return { each: each, eachSlice: eachSlice, all: all, every: all, any: any, some: any, collect: collect, map: collect, detect: detect, findAll: findAll, select: findAll, filter: findAll, grep: grep, include: include, member: include, inGroupsOf: inGroupsOf, inject: inject, invoke: invoke, max: max, min: min, partition: partition, pluck: pluck, reject: reject, sortBy: sortBy, toArray: toArray, entries: toArray, zip: zip, size: size, inspect: inspect, find: detect };
})();
function $A(iterable) {
if (!iterable) return []; if ('toArray' in Object(iterable)) return iterable.toArray(); var length = iterable.length || 0, results = new Array(length); while (length--) results[length] = iterable[length]; return results;
}
function $w(string) {
if (!Object.isString(string)) return []; string = string.strip(); return string ? string.split(/\s+/) : [];
}
Array.from = $A;
(function() {
var arrayProto = Array.prototype, slice = arrayProto.slice, _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available
function each(iterator, context) { for (var i = 0, length = this.length >>> 0; i < length; i++) { if (i in this) iterator.call(context, this[i], i, this); } } if (!_each) _each = each;
function clear() { this.length = 0; return this; }
function first() { return this[0]; }
function last() { return this[this.length - 1]; }
function compact() { return this.select(function(value) { return value != null; }); }
function flatten() { return this.inject([], function(array, value) { if (Object.isArray(value)) return array.concat(value.flatten()); array.push(value); return array; }); }
function without() { var values = slice.call(arguments, 0); return this.select(function(value) { return !values.include(value); }); }
function reverse(inline) { return (inline === false ? this.toArray() : this)._reverse(); }
function uniq(sorted) { return this.inject([], function(array, value, index) { if (0 == index || (sorted ? array.last() != value : !array.include(value))) array.push(value); return array; }); }
function intersect(array) { return this.uniq().findAll(function(item) { return array.detect(function(value) { return item === value }); }); }
function clone() { return slice.call(this, 0); }
function size() { return this.length; }
function inspect() { return '[' + this.map(Object.inspect).join(', ') + ']'; }
function indexOf(item, i) { i || (i = 0); var length = this.length; if (i < 0) i = length + i; for (; i < length; i++) if (this[i] === item) return i; return -1; }
function lastIndexOf(item, i) { i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1; var n = this.slice(0, i).reverse().indexOf(item); return (n < 0) ? n : i - n - 1; }
function concat() { var array = slice.call(this, 0), item; for (var i = 0, length = arguments.length; i < length; i++) { item = arguments[i]; if (Object.isArray(item) && !('callee' in item)) { for (var j = 0, arrayLength = item.length; j < arrayLength; j++) array.push(item[j]); } else { array.push(item); } } return array; }
Object.extend(arrayProto, Enumerable);
if (!arrayProto._reverse) arrayProto._reverse = arrayProto.reverse;
Object.extend(arrayProto, { _each: _each, clear: clear, first: first, last: last, compact: compact, flatten: flatten, without: without, reverse: reverse, uniq: uniq, intersect: intersect, clone: clone, toArray: clone, size: size, inspect: inspect });
var CONCAT_ARGUMENTS_BUGGY = (function() { return [].concat(arguments)[0][0] !== 1; })(1,2)
if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;
if (!arrayProto.indexOf) arrayProto.indexOf = indexOf; if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
})(); function $H(object) {
return new Hash(object);
};
var Hash = Class.create(Enumerable, (function() {
function initialize(object) { this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); }
function _each(iterator) { for (var key in this._object) { var value = this._object[key], pair = [key, value]; pair.key = key; pair.value = value; iterator(pair); } }
function set(key, value) { return this._object[key] = value; }
function get(key) { if (this._object[key] !== Object.prototype[key]) return this._object[key]; }
function unset(key) { var value = this._object[key]; delete this._object[key]; return value; }
function toObject() { return Object.clone(this._object); }
function keys() { return this.pluck('key'); }
function values() { return this.pluck('value'); }
function index(value) { var match = this.detect(function(pair) { return pair.value === value; }); return match && match.key; }
function merge(object) { return this.clone().update(object); }
function update(object) { return new Hash(object).inject(this, function(result, pair) { result.set(pair.key, pair.value); return result; }); }
function toQueryPair(key, value) { if (Object.isUndefined(value)) return key; return key + '=' + encodeURIComponent(String.interpret(value)); }
function toQueryString() { return this.inject([], function(results, pair) { var key = encodeURIComponent(pair.key), values = pair.value;
if (values && typeof values == 'object') { if (Object.isArray(values)) { var queryValues = []; for (var i = 0, len = values.length, value; i < len; i++) { value = values[i]; queryValues.push(toQueryPair(key, value)); } return results.concat(queryValues); } } else results.push(toQueryPair(key, values)); return results; }).join('&'); }
function inspect() { return '#<Hash:{' + this.map(function(pair) { return pair.map(Object.inspect).join(': '); }).join(', ') + '}>'; }
function clone() { return new Hash(this); }
return { initialize: initialize, _each: _each, set: set, get: get, unset: unset, toObject: toObject, toTemplateReplacements: toObject, keys: keys, values: values, index: index, merge: merge, update: update, toQueryString: toQueryString, inspect: inspect, toJSON: toObject, clone: clone };
})());
Hash.from = $H; Object.extend(Number.prototype, (function() {
function toColorPart() { return this.toPaddedString(2, 16); }
function succ() { return this + 1; }
function times(iterator, context) { $R(0, this, true).each(iterator, context); return this; }
function toPaddedString(length, radix) { var string = this.toString(radix || 10); return '0'.times(length - string.length) + string; }
function abs() { return Math.abs(this); }
function round() { return Math.round(this); }
function ceil() { return Math.ceil(this); }
function floor() { return Math.floor(this); }
return { toColorPart: toColorPart, succ: succ, times: times, toPaddedString: toPaddedString, abs: abs, round: round, ceil: ceil, floor: floor };
})());
function $R(start, end, exclusive) {
return new ObjectRange(start, end, exclusive);
}
var ObjectRange = Class.create(Enumerable, (function() {
function initialize(start, end, exclusive) { this.start = start; this.end = end; this.exclusive = exclusive; }
function _each(iterator) { var value = this.start; while (this.include(value)) { iterator(value); value = value.succ(); } }
function include(value) { if (value < this.start) return false; if (this.exclusive) return value < this.end; return value <= this.end; }
return { initialize: initialize, _each: _each, include: include };
})());
var Abstract = { };
var Try = {
these: function() { var returnValue;
for (var i = 0, length = arguments.length; i < length; i++) { var lambda = arguments[i]; try { returnValue = lambda(); break; } catch (e) { } }
return returnValue; }
};
var Ajax = {
getTransport: function() { return Try.these( function() {return new XMLHttpRequest()}, function() {return new ActiveXObject('Msxml2.XMLHTTP')}, function() {return new ActiveXObject('Microsoft.XMLHTTP')} ) || false; },
activeRequestCount: 0
};
Ajax.Responders = {
responders: [],
_each: function(iterator) { this.responders._each(iterator); },
register: function(responder) { if (!this.include(responder)) this.responders.push(responder); },
unregister: function(responder) { this.responders = this.responders.without(responder); },
dispatch: function(callback, request, transport, json) { this.each(function(responder) { if (Object.isFunction(responder[callback])) { try { responder[callback].apply(responder, [request, transport, json]); } catch (e) { } } }); }
};
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 $H(extras).each(function(pair) { headers[pair.key] = pair.value }); }
for (var name in headers) this.transport.setRequestHeader(name, headers[name]); },
success: function() { var status = this.getStatus(); return !status || (status >= 200 && status < 300) || status == 304; },
getStatus: function() { try { if (this.transport.status === 1223) return 204; return this.transport.status || 0; } catch (e) { return 0 } },
respondToReadyState: function(readyState) { var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
if (state == 'Complete') { try { this._complete = true; (this.options['on' + response.status] || this.options['on' + (this.success() ? 'Success' : 'Failure')] || Prototype.emptyFunction)(response, response.headerJSON); } catch (e) { this.dispatchException(e); }
var contentType = response.getHeader('Content-type'); if (this.options.evalJS == 'force' || (this.options.evalJS && this.isSameOrigin() && contentType && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i))) this.evalResponse(); }
try { (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON); Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON); } catch (e) { this.dispatchException(e); }
if (state == 'Complete') { this.transport.onreadystatechange = Prototype.emptyFunction; } },
isSameOrigin: function() { var m = this.url.match(/^\s*https?:\/\/[^\/]*/); return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({ protocol: location.protocol, domain: document.domain, port: location.port ? ':' + location.port : })); },
getHeader: function(name) { try { return this.transport.getResponseHeader(name) || null; } catch (e) { return null; } },
evalResponse: function() { try { return eval((this.transport.responseText || ).unfilterJSON()); } catch (e) { this.dispatchException(e); } },
dispatchException: function(exception) { (this.options.onException || Prototype.emptyFunction)(this, exception); Ajax.Responders.dispatch('onException', this, exception); }
});
Ajax.Request.Events =
['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
Ajax.Response = Class.create({
initialize: function(request){ this.request = request; var transport = this.transport = request.transport, readyState = this.readyState = transport.readyState;
if ((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) { this.status = this.getStatus(); this.statusText = this.getStatusText(); this.responseText = String.interpret(transport.responseText); this.headerJSON = this._getHeaderJSON(); }
if (readyState == 4) { var xml = transport.responseXML; this.responseXML = Object.isUndefined(xml) ? null : xml; this.responseJSON = this._getResponseJSON(); } },
status: 0,
statusText: ,
getStatus: Ajax.Request.prototype.getStatus,
getStatusText: function() { 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; }
var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = (function(){ try { var el = document.createElement('<input name="x">'); return el.tagName.toLowerCase() === 'input' && el.name === 'x'; } catch(err) { return false; } })();
var element = global.Element;
global.Element = function(tagName, attributes) { attributes = attributes || { }; tagName = tagName.toLowerCase(); var cache = Element.cache;
if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && attributes.name) { tagName = '<' + tagName + ' name="' + attributes.name + '">'; delete attributes.name; return Element.writeAttribute(document.createElement(tagName), attributes); }
if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
var node = shouldUseCache(tagName, attributes) ? cache[tagName].cloneNode(false) : document.createElement(tagName);
return Element.writeAttribute(node, attributes); };
Object.extend(global.Element, element || { }); if (element) global.Element.prototype = element.prototype;
})(this);
Element.idCounter = 1; Element.cache = { };
Element._purgeElement = function(element) {
var uid = element._prototypeUID; if (uid) { Element.stopObserving(element); element._prototypeUID = void 0; delete Element.Storage[uid]; }
}
Element.Methods = {
visible: function(element) { return $(element).style.display != 'none'; },
toggle: function(element) { element = $(element); Element[Element.visible(element) ? 'hide' : 'show'](element); return element; },
hide: function(element) { element = $(element); element.style.display = 'none'; return element; },
show: function(element) { element = $(element); element.style.display = ; return element; },
remove: function(element) { element = $(element); element.parentNode.removeChild(element); return element; },
update: (function(){
var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){ var el = document.createElement("select"), isBuggy = true; el.innerHTML = "<option value=\"test\">test</option>"; if (el.options && el.options[0]) { isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION"; } el = null; return isBuggy; })();
var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){ try { var el = document.createElement("table"); if (el && el.tBodies) { el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>"; var isBuggy = typeof el.tBodies[0] == "undefined"; el = null; return isBuggy; } } catch (e) { return true; } })();
var LINK_ELEMENT_INNERHTML_BUGGY = (function() { try { var el = document.createElement('div'); el.innerHTML = "<link>"; var isBuggy = (el.childNodes.length === 0); el = null; return isBuggy; } catch(e) { return true; } })();
var ANY_INNERHTML_BUGGY = SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_INNERHTML_BUGGY || LINK_ELEMENT_INNERHTML_BUGGY;
var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () { var s = document.createElement("script"), 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; while (child) { if (child.nodeType === 1) { results.push(Element.extend(child)); } child = child.nextSibling; } return results; },
previousSiblings: function(element, maximumLength) { return Element.recursivelyCollect(element, 'previousSibling'); },
nextSiblings: function(element) { return Element.recursivelyCollect(element, 'nextSibling'); },
siblings: function(element) { element = $(element); return Element.previousSiblings(element).reverse() .concat(Element.nextSiblings(element)); },
match: function(element, selector) { element = $(element); if (Object.isString(selector)) return Prototype.Selector.match(element, selector); return selector.match(element); },
up: function(element, expression, index) { element = $(element); if (arguments.length == 1) return $(element.parentNode); var ancestors = Element.ancestors(element); return Object.isNumber(expression) ? ancestors[expression] : Prototype.Selector.find(ancestors, expression, index); },
down: function(element, expression, index) { element = $(element); if (arguments.length == 1) return Element.firstDescendant(element); return Object.isNumber(expression) ? Element.descendants(element)[expression] : Element.select(element, expression)[index || 0]; },
previous: function(element, expression, index) { element = $(element); if (Object.isNumber(expression)) index = expression, expression = false; if (!Object.isNumber(index)) index = 0;
if (expression) { return Prototype.Selector.find(element.previousSiblings(), expression, index); } else { return element.recursivelyCollect("previousSibling", index + 1)[index]; } },
next: function(element, expression, index) { element = $(element); if (Object.isNumber(expression)) index = expression, expression = false; if (!Object.isNumber(index)) index = 0;
if (expression) { return Prototype.Selector.find(element.nextSiblings(), expression, index); } else { var maximumLength = Object.isNumber(index) ? index + 1 : 1; return element.recursivelyCollect("nextSibling", index + 1)[index]; } },
select: function(element) { element = $(element); var expressions = Array.prototype.slice.call(arguments, 1).join(', '); return Prototype.Selector.select(expressions, element); },
adjacent: function(element) { element = $(element); var expressions = Array.prototype.slice.call(arguments, 1).join(', '); return Prototype.Selector.select(expressions, element.parentNode).without(element); },
identify: function(element) { element = $(element); var id = Element.readAttribute(element, 'id'); if (id) return id; do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id)); Element.writeAttribute(element, 'id', id); return id; },
readAttribute: function(element, name) { element = $(element); if (Prototype.Browser.IE) { var t = Element._attributeTranslations.read; if (t.values[name]) return t.values[name](element, name); if (t.names[name]) name = t.names[name]; if (name.include(':')) { return (!element.attributes || !element.attributes[name]) ? null : element.attributes[name].value; } } return element.getAttribute(name); },
writeAttribute: function(element, name, value) { element = $(element); var attributes = { }, t = Element._attributeTranslations.write;
if (typeof name == 'object') attributes = name; else attributes[name] = Object.isUndefined(value) ? true : value;
for (var attr in attributes) { name = t.names[attr] || attr; value = attributes[attr]; if (t.values[attr]) name = t.values[attr](element, value); if (value === false || value === null) element.removeAttribute(name); else if (value === true) element.setAttribute(name, name); else element.setAttribute(name, value); } return element; },
getHeight: function(element) { return Element.getDimensions(element).height; },
getWidth: function(element) { return Element.getDimensions(element).width; },
classNames: function(element) { return new Element.ClassNames(element); },
hasClassName: function(element, className) { if (!(element = $(element))) return; var elementClassName = element.className; return (elementClassName.length > 0 && (elementClassName == className || new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName))); },
addClassName: function(element, className) { if (!(element = $(element))) return; if (!Element.hasClassName(element, className)) element.className += (element.className ? ' ' : ) + className; return element; },
removeClassName: function(element, className) { if (!(element = $(element))) return; element.className = element.className.replace( new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip(); return element; },
toggleClassName: function(element, className) { if (!(element = $(element))) return; return Element[Element.hasClassName(element, className) ? 'removeClassName' : 'addClassName'](element, className); },
cleanWhitespace: function(element) { element = $(element); var node = element.firstChild; while (node) { var nextNode = node.nextSibling; if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) element.removeChild(node); node = nextNode; } return element; },
empty: function(element) { return $(element).innerHTML.blank(); },
descendantOf: function(element, ancestor) { element = $(element), ancestor = $(ancestor);
if (element.compareDocumentPosition) return (element.compareDocumentPosition(ancestor) & 8) === 8;
if (ancestor.contains) return ancestor.contains(element) && ancestor !== element;
while (element = element.parentNode) if (element == ancestor) return true;
return false; },
scrollTo: function(element) { element = $(element); var pos = Element.cumulativeOffset(element); window.scrollTo(pos[0], pos[1]); return element; },
getStyle: function(element, style) { element = $(element); style = style == 'float' ? 'cssFloat' : style.camelize(); var value = element.style[style]; if (!value || value == 'auto') { var css = document.defaultView.getComputedStyle(element, null); value = css ? css[style] : null; } if (style == 'opacity') return value ? parseFloat(value) : 1.0; return value == 'auto' ? null : value; },
getOpacity: function(element) { return $(element).getStyle('opacity'); },
setStyle: function(element, styles) { element = $(element); var elementStyle = element.style, match; if (Object.isString(styles)) { element.style.cssText += ';' + styles; return styles.include('opacity') ? element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element; } for (var property in styles) if (property == 'opacity') element.setOpacity(styles[property]); else elementStyle[(property == 'float' || property == 'cssFloat') ? (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') : property] = styles[property];
return element; },
setOpacity: function(element, value) { element = $(element); element.style.opacity = (value == 1 || value === ) ? : (value < 0.00001) ? 0 : value; return element; },
makePositioned: function(element) { element = $(element); var pos = Element.getStyle(element, 'position'); if (pos == 'static' || !pos) { element._madePositioned = true; element.style.position = 'relative'; if (Prototype.Browser.Opera) { element.style.top = 0; element.style.left = 0; } } return element; },
undoPositioned: function(element) { element = $(element); if (element._madePositioned) { element._madePositioned = undefined; element.style.position = element.style.top = element.style.left = element.style.bottom = element.style.right = ; } return element; },
makeClipping: function(element) { element = $(element); if (element._overflow) return element; element._overflow = Element.getStyle(element, 'overflow') || 'auto'; if (element._overflow !== 'hidden') element.style.overflow = 'hidden'; return element; },
undoClipping: function(element) { element = $(element); if (!element._overflow) return element; element.style.overflow = element._overflow == 'auto' ? : element._overflow; element._overflow = null; return element; },
clonePosition: function(element, source) { var options = Object.extend({ setLeft: true, setTop: true, setWidth: true, setHeight: true, offsetTop: 0, offsetLeft: 0 }, arguments[2] || { });
source = $(source); var p = Element.viewportOffset(source), delta = [0, 0], parent = null;
element = $(element);
if (Element.getStyle(element, 'position') == 'absolute') { parent = Element.getOffsetParent(element); delta = Element.viewportOffset(parent); }
if (parent == document.body) { delta[0] -= document.body.offsetLeft; delta[1] -= document.body.offsetTop; }
if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; if (options.setWidth) element.style.width = source.offsetWidth + 'px'; if (options.setHeight) element.style.height = source.offsetHeight + 'px'; return element; }
};
Object.extend(Element.Methods, {
getElementsBySelector: Element.Methods.select,
childElements: Element.Methods.immediateDescendants
});
Element._attributeTranslations = {
write: { names: { className: 'class', htmlFor: 'for' }, values: { } }
};
if (Prototype.Browser.Opera) {
Element.Methods.getStyle = Element.Methods.getStyle.wrap( function(proceed, element, style) { switch (style) { case 'height': case 'width': if (!Element.visible(element)) return null;
var dim = parseInt(proceed(element, style), 10);
if (dim !== element['offset' + style.capitalize()]) return dim + 'px';
var properties; if (style === 'height') { properties = ['border-top-width', 'padding-top', 'padding-bottom', 'border-bottom-width']; } else { properties = ['border-left-width', 'padding-left', 'padding-right', 'border-right-width']; } return properties.inject(dim, function(memo, property) { var val = proceed(element, property); return val === null ? memo : memo - parseInt(val, 10); }) + 'px'; default: return proceed(element, style); } } );
Element.Methods.readAttribute = Element.Methods.readAttribute.wrap( function(proceed, element, attribute) { if (attribute === 'title') return element.title; return proceed(element, attribute); } );
}
else if (Prototype.Browser.IE) {
Element.Methods.getStyle = function(element, style) { element = $(element); style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); var value = element.style[style]; if (!value && element.currentStyle) value = element.currentStyle[style];
if (style == 'opacity') { if (value = (element.getStyle('filter') || ).match(/alpha\(opacity=(.*)\)/)) if (value[1]) return parseFloat(value[1]) / 100; return 1.0; }
if (value == 'auto') { if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) return element['offset' + style.capitalize()] + 'px'; return null; } return value; };
Element.Methods.setOpacity = function(element, value) { function stripAlpha(filter){ return filter.replace(/alpha\([^\)]*\)/gi,); } element = $(element); var currentStyle = element.currentStyle; if ((currentStyle && !currentStyle.hasLayout) || (!currentStyle && element.style.zoom == 'normal')) element.style.zoom = 1;
var filter = element.getStyle('filter'), style = element.style; if (value == 1 || value === ) { (filter = stripAlpha(filter)) ? style.filter = filter : style.removeAttribute('filter'); return element; } else if (value < 0.00001) value = 0; style.filter = stripAlpha(filter) + 'alpha(opacity=' + (value * 100) + ')'; return element; };
Element._attributeTranslations = (function(){
var classProp = 'className', forProp = 'for', el = document.createElement('div');
el.setAttribute(classProp, 'x');
if (el.className !== 'x') { el.setAttribute('class', 'x'); if (el.className === 'x') { classProp = 'class'; } } el = null;
el = document.createElement('label'); el.setAttribute(forProp, 'x'); if (el.htmlFor !== 'x') { el.setAttribute('htmlFor', 'x'); if (el.htmlFor === 'x') { forProp = 'htmlFor'; } } el = null;
return { read: { names: { 'class': classProp, 'className': classProp, 'for': forProp, 'htmlFor': forProp }, values: { _getAttr: function(element, attribute) { return element.getAttribute(attribute); }, _getAttr2: function(element, attribute) { return element.getAttribute(attribute, 2); }, _getAttrNode: function(element, attribute) { var node = element.getAttributeNode(attribute); return node ? node.value : ""; }, _getEv: (function(){
var el = document.createElement('div'), f; el.onclick = Prototype.emptyFunction; var value = el.getAttribute('onclick');
if (String(value).indexOf('{') > -1) { f = function(element, attribute) { attribute = element.getAttribute(attribute); if (!attribute) return null; attribute = attribute.toString(); attribute = attribute.split('{')[1]; attribute = attribute.split('}')[0]; return attribute.strip(); }; } else if (value === ) { f = function(element, attribute) { attribute = element.getAttribute(attribute); if (!attribute) return null; return attribute.strip(); }; } el = null; return f; })(), _flag: function(element, attribute) { return $(element).hasAttribute(attribute) ? attribute : null; }, style: function(element) { return element.style.cssText.toLowerCase(); }, title: function(element) { return element.title; } } } } })();
Element._attributeTranslations.write = { names: Object.extend({ cellpadding: 'cellPadding', cellspacing: 'cellSpacing' }, Element._attributeTranslations.read.names), values: { checked: function(element, value) { element.checked = !!value; },
style: function(element, value) { element.style.cssText = value ? value : ; } } };
Element._attributeTranslations.has = {};
$w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' + 'encType maxLength readOnly longDesc frameBorder').each(function(attr) { Element._attributeTranslations.write.names[attr.toLowerCase()] = attr; Element._attributeTranslations.has[attr.toLowerCase()] = attr; });
(function(v) { Object.extend(v, { href: v._getAttr2, src: v._getAttr2, type: v._getAttr, action: v._getAttrNode, disabled: v._flag, checked: v._flag, readonly: v._flag, multiple: v._flag, onload: v._getEv, onunload: v._getEv, onclick: v._getEv, ondblclick: v._getEv, onmousedown: v._getEv, onmouseup: v._getEv, onmouseover: v._getEv, onmousemove: v._getEv, onmouseout: v._getEv, onfocus: v._getEv, onblur: v._getEv, onkeypress: v._getEv, onkeydown: v._getEv, onkeyup: v._getEv, onsubmit: v._getEv, onreset: v._getEv, onselect: v._getEv, onchange: v._getEv }); })(Element._attributeTranslations.read.values);
if (Prototype.BrowserFeatures.ElementExtensions) { (function() { function _descendants(element) { var nodes = element.getElementsByTagName('*'), results = []; for (var i = 0, node; node = nodes[i]; i++) if (node.tagName !== "!") // Filter out comment nodes. results.push(node); return results; }
Element.Methods.down = function(element, expression, index) { element = $(element); if (arguments.length == 1) return element.firstDescendant(); 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: ['
', ' |
SELECT: ['<select>', '</select>', 1] }
};
(function() {
var tags = Element._insertionTranslations.tags; Object.extend(tags, { THEAD: tags.TBODY, TFOOT: tags.TBODY, TH: tags.TD });
})();
Element.Methods.Simulated = {
hasAttribute: function(element, attribute) { attribute = Element._attributeTranslations.has[attribute] || attribute; var node = $(element).getAttributeNode(attribute); return !!(node && node.specified); }
};
Element.Methods.ByTag = { };
Object.extend(Element, Element.Methods);
(function(div) {
if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) { window.HTMLElement = { }; window.HTMLElement.prototype = div['__proto__']; Prototype.BrowserFeatures.ElementExtensions = true; }
div = null;
})(document.createElement('div'));
Element.extend = (function() {
function checkDeficiency(tagName) { if (typeof window.Element != 'undefined') { var proto = window.Element.prototype; if (proto) { var id = '_' + (Math.random()+).slice(2), el = document.createElement(tagName); proto[id] = 'x'; var isBuggy = (el[id] !== 'x'); delete proto[id]; el = null; return isBuggy; } } return false; }
function extendElementWith(element, methods) { for (var property in methods) { var value = methods[property]; if (Object.isFunction(value) && !(property in element)) element[property] = value.methodize(); } }
var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');
if (Prototype.BrowserFeatures.SpecificElementExtensions) { if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) { return function(element) { if (element && typeof element._extendedByPrototype == 'undefined') { var t = element.tagName; if (t && (/^(?:object|applet|embed)$/i.test(t))) { extendElementWith(element, Element.Methods); extendElementWith(element, Element.Methods.Simulated); extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]); } } return element; } } return Prototype.K; }
var Methods = { }, ByTag = Element.Methods.ByTag;
var extend = Object.extend(function(element) { if (!element || typeof element._extendedByPrototype != 'undefined' || element.nodeType != 1 || element == window) return element;
var methods = Object.clone(Methods), tagName = element.tagName.toUpperCase();
if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
extendElementWith(element, methods);
element._extendedByPrototype = Prototype.emptyFunction; return element;
}, { refresh: function() { if (!Prototype.BrowserFeatures.ElementExtensions) { Object.extend(Methods, Element.Methods); Object.extend(Methods, Element.Methods.Simulated); } } });
extend.refresh(); return extend;
})();
if (document.documentElement.hasAttribute) {
Element.hasAttribute = function(element, attribute) { return element.hasAttribute(attribute); };
} else {
Element.hasAttribute = Element.Methods.Simulated.hasAttribute;
}
Element.addMethods = function(methods) {
var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
if (!methods) { Object.extend(Form, Form.Methods); Object.extend(Form.Element, Form.Element.Methods); Object.extend(Element.Methods.ByTag, { "FORM": Object.clone(Form.Methods), "INPUT": Object.clone(Form.Element.Methods), "SELECT": Object.clone(Form.Element.Methods), "TEXTAREA": Object.clone(Form.Element.Methods), "BUTTON": Object.clone(Form.Element.Methods) }); }
if (arguments.length == 2) { var tagName = methods; methods = arguments[1]; }
if (!tagName) Object.extend(Element.Methods, methods || { }); else { if (Object.isArray(tagName)) tagName.each(extend); else extend(tagName); }
function extend(tagName) { tagName = tagName.toUpperCase(); if (!Element.Methods.ByTag[tagName]) Element.Methods.ByTag[tagName] = { }; Object.extend(Element.Methods.ByTag[tagName], methods); }
function copy(methods, destination, onlyIfAbsent) { onlyIfAbsent = onlyIfAbsent || false; for (var property in methods) { var value = methods[property]; if (!Object.isFunction(value)) continue; if (!onlyIfAbsent || !(property in destination)) destination[property] = value.methodize(); } }
function findDOMClass(tagName) { var klass; var trans = { "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": "FrameSet", "IFRAME": "IFrame" }; if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; if (window[klass]) return window[klass]; klass = 'HTML' + tagName + 'Element'; if (window[klass]) return window[klass]; klass = 'HTML' + tagName.capitalize() + 'Element'; if (window[klass]) return window[klass];
var element = document.createElement(tagName), proto = element['__proto__'] || element.constructor.prototype;
element = null; return proto; }
var elementPrototype = window.HTMLElement ? HTMLElement.prototype : Element.prototype;
if (F.ElementExtensions) { copy(Element.Methods, elementPrototype); copy(Element.Methods.Simulated, elementPrototype, true); }
if (F.SpecificElementExtensions) { for (var tag in Element.Methods.ByTag) { var klass = findDOMClass(tag); if (Object.isUndefined(klass)) continue; copy(T[tag], klass.prototype); } }
Object.extend(Element, Element.Methods); delete Element.ByTag;
if (Element.extend.refresh) Element.extend.refresh(); Element.cache = { };
};
document.viewport = {
getDimensions: function() { return { width: this.getWidth(), height: this.getHeight() }; },
getScrollOffsets: function() { return Element._returnOffset( window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop); }
};
(function(viewport) {
var B = Prototype.Browser, doc = document, element, property = {};
function getRootElement() { if (B.WebKit && !doc.evaluate) return document;
if (B.Opera && window.parseFloat(window.opera.version()) < 9.5) return document.body;
return document.documentElement; }
function define(D) { if (!element) element = getRootElement();
property[D] = 'client' + D;
viewport['get' + D] = function() { return element[property[D]] }; return viewport['get' + D](); }
viewport.getWidth = define.curry('Width');
viewport.getHeight = define.curry('Height');
})(document.viewport);
Element.Storage = {
UID: 1
};
Element.addMethods({
getStorage: function(element) { if (!(element = $(element))) return;
var uid; if (element === window) { uid = 0; } else { if (typeof element._prototypeUID === "undefined") element._prototypeUID = Element.Storage.UID++; uid = element._prototypeUID; }
if (!Element.Storage[uid]) Element.Storage[uid] = $H();
return Element.Storage[uid]; },
store: function(element, key, value) { if (!(element = $(element))) return;
if (arguments.length === 2) { Element.getStorage(element).update(key); } else { Element.getStorage(element).set(key, value); }
return element; },
retrieve: function(element, key, defaultValue) { if (!(element = $(element))) return; var hash = Element.getStorage(element), value = hash.get(key);
if (Object.isUndefined(value)) { hash.set(key, defaultValue); value = defaultValue; }
return value; },
clone: function(element, deep) { if (!(element = $(element))) return; var clone = element.cloneNode(deep); clone._prototypeUID = void 0; if (deep) { var descendants = Element.select(clone, '*'), i = descendants.length; while (i--) { descendants[i]._prototypeUID = void 0; } } return Element.extend(clone); },
purge: function(element) { if (!(element = $(element))) return; var purgeElement = Element._purgeElement;
purgeElement(element);
var descendants = element.getElementsByTagName('*'), i = descendants.length;
while (i--) purgeElement(descendants[i]);
return null; }
});
(function() {
function toDecimal(pctString) { var match = pctString.match(/^(\d+)%?$/i); if (!match) return null; return (Number(match[1]) / 100); }
function getPixelValue(value, property, context) { var element = null; if (Object.isElement(value)) { element = value; value = element.getStyle(property); }
if (value === null) { return null; }
if ((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(value)) { return window.parseFloat(value); }
var isPercentage = value.include('%'), isViewport = (context === document.viewport);
if (/\d/.test(value) && element && element.runtimeStyle && !(isPercentage && isViewport)) { var style = element.style.left, rStyle = element.runtimeStyle.left; element.runtimeStyle.left = element.currentStyle.left; element.style.left = value || 0; value = element.style.pixelLeft; element.style.left = style; element.runtimeStyle.left = rStyle;
return value; }
if (element && isPercentage) { context = context || element.parentNode; var decimal = toDecimal(value); var whole = null; var position = element.getStyle('position');
var isHorizontal = property.include('left') || property.include('right') || property.include('width');
var isVertical = property.include('top') || property.include('bottom') || property.include('height');
if (context === document.viewport) { if (isHorizontal) { whole = document.viewport.getWidth(); } else if (isVertical) { whole = document.viewport.getHeight(); } } else { if (isHorizontal) { whole = $(context).measure('width'); } else if (isVertical) { whole = $(context).measure('height'); } }
return (whole === null) ? 0 : whole * decimal; }
return 0; }
function toCSSPixels(number) { if (Object.isString(number) && number.endsWith('px')) { return number; } return number + 'px'; }
function isDisplayed(element) { var originalElement = element; while (element && element.parentNode) { var display = element.getStyle('display'); if (display === 'none') { return false; } element = $(element.parentNode); } return true; }
var hasLayout = Prototype.K; if ('currentStyle' in document.documentElement) { hasLayout = function(element) { if (!element.currentStyle.hasLayout) { element.style.zoom = 1; } return element; }; }
function cssNameFor(key) { if (key.include('border')) key = key + '-width'; return key.camelize(); }
Element.Layout = Class.create(Hash, { initialize: function($super, element, preCompute) { $super(); this.element = $(element);
Element.Layout.PROPERTIES.each( function(property) { this._set(property, null); }, this);
if (preCompute) { this._preComputing = true; this._begin(); Element.Layout.PROPERTIES.each( this._compute, this ); this._end(); this._preComputing = false; } },
_set: function(property, value) { return Hash.prototype.set.call(this, property, value); },
set: function(property, value) { throw "Properties of Element.Layout are read-only."; },
get: function($super, property) { var value = $super(property); return value === null ? this._compute(property) : value; },
_begin: function() { if (this._prepared) return;
var element = this.element; if (isDisplayed(element)) { this._prepared = true; return; }
var originalStyles = { position: element.style.position || , width: element.style.width || , visibility: element.style.visibility || , display: element.style.display || };
element.store('prototype_original_styles', originalStyles);
var position = element.getStyle('position'), width = element.getStyle('width');
if (width === "0px" || width === null) { element.style.display = 'block'; width = element.getStyle('width'); }
var context = (position === 'fixed') ? document.viewport : element.parentNode;
element.setStyle({ position: 'absolute', visibility: 'hidden', display: 'block' });
var positionedWidth = element.getStyle('width');
var newWidth; if (width && (positionedWidth === width)) { newWidth = getPixelValue(element, 'width', context); } else if (position === 'absolute' || position === 'fixed') { newWidth = getPixelValue(element, 'width', context); } else { var parent = element.parentNode, pLayout = $(parent).getLayout();
newWidth = pLayout.get('width') - this.get('margin-left') - this.get('border-left') - this.get('padding-left') - this.get('padding-right') - this.get('border-right') - this.get('margin-right'); }
element.setStyle({ width: newWidth + 'px' });
this._prepared = true; },
_end: function() { var element = this.element; var originalStyles = element.retrieve('prototype_original_styles'); element.store('prototype_original_styles', null); element.setStyle(originalStyles); this._prepared = false; },
_compute: function(property) { var COMPUTATIONS = Element.Layout.COMPUTATIONS; if (!(property in COMPUTATIONS)) { throw "Property not found."; }
return this._set(property, COMPUTATIONS[property].call(this, this.element)); },
toObject: function() { var args = $A(arguments); var keys = (args.length === 0) ? Element.Layout.PROPERTIES : args.join(' ').split(' '); var obj = {}; keys.each( function(key) { if (!Element.Layout.PROPERTIES.include(key)) return; var value = this.get(key); if (value != null) obj[key] = value; }, this); return obj; },
toHash: function() { var obj = this.toObject.apply(this, arguments); return new Hash(obj); },
toCSS: function() { var args = $A(arguments); var keys = (args.length === 0) ? Element.Layout.PROPERTIES : args.join(' ').split(' '); var css = {};
keys.each( function(key) { if (!Element.Layout.PROPERTIES.include(key)) return; if (Element.Layout.COMPOSITE_PROPERTIES.include(key)) return;
var value = this.get(key); if (value != null) css[cssNameFor(key)] = value + 'px'; }, this); return css; },
inspect: function() { return "#<Element.Layout>"; } });
Object.extend(Element.Layout, { PROPERTIES: $w('height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height'),
COMPOSITE_PROPERTIES: $w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'),
COMPUTATIONS: { 'height': function(element) { if (!this._preComputing) this._begin();
var bHeight = this.get('border-box-height'); if (bHeight <= 0) { if (!this._preComputing) this._end(); return 0; }
var bTop = this.get('border-top'), bBottom = this.get('border-bottom');
var pTop = this.get('padding-top'), pBottom = this.get('padding-bottom');
if (!this._preComputing) this._end();
return bHeight - bTop - bBottom - pTop - pBottom; },
'width': function(element) { if (!this._preComputing) this._begin();
var bWidth = this.get('border-box-width'); if (bWidth <= 0) { if (!this._preComputing) this._end(); return 0; }
var bLeft = this.get('border-left'), bRight = this.get('border-right');
var pLeft = this.get('padding-left'), pRight = this.get('padding-right');
if (!this._preComputing) this._end();
return bWidth - bLeft - bRight - pLeft - pRight; },
'padding-box-height': function(element) { var height = this.get('height'), pTop = this.get('padding-top'), pBottom = this.get('padding-bottom');
return height + pTop + pBottom; },
'padding-box-width': function(element) { var width = this.get('width'), pLeft = this.get('padding-left'), pRight = this.get('padding-right');
return width + pLeft + pRight; },
'border-box-height': function(element) { if (!this._preComputing) this._begin(); var height = element.offsetHeight; if (!this._preComputing) this._end(); return height; },
'border-box-width': function(element) { if (!this._preComputing) this._begin(); var width = element.offsetWidth; if (!this._preComputing) this._end(); return width; },
'margin-box-height': function(element) { var bHeight = this.get('border-box-height'), mTop = this.get('margin-top'), mBottom = this.get('margin-bottom');
if (bHeight <= 0) return 0;
return bHeight + mTop + mBottom; },
'margin-box-width': function(element) { var bWidth = this.get('border-box-width'), mLeft = this.get('margin-left'), mRight = this.get('margin-right');
if (bWidth <= 0) return 0;
return bWidth + mLeft + mRight; },
'top': function(element) { var offset = element.positionedOffset(); return offset.top; },
'bottom': function(element) { var offset = element.positionedOffset(), parent = element.getOffsetParent(), pHeight = parent.measure('height');
var mHeight = this.get('border-box-height');
return pHeight - mHeight - offset.top; },
'left': function(element) { var offset = element.positionedOffset(); return offset.left; },
'right': function(element) { var offset = element.positionedOffset(), parent = element.getOffsetParent(), pWidth = parent.measure('width');
var mWidth = this.get('border-box-width');
return pWidth - mWidth - offset.left; },
'padding-top': function(element) { return getPixelValue(element, 'paddingTop'); },
'padding-bottom': function(element) { return getPixelValue(element, 'paddingBottom'); },
'padding-left': function(element) { return getPixelValue(element, 'paddingLeft'); },
'padding-right': function(element) { return getPixelValue(element, 'paddingRight'); },
'border-top': function(element) { return getPixelValue(element, 'borderTopWidth'); },
'border-bottom': function(element) { return getPixelValue(element, 'borderBottomWidth'); },
'border-left': function(element) { return getPixelValue(element, 'borderLeftWidth'); },
'border-right': function(element) { return getPixelValue(element, 'borderRightWidth'); },
'margin-top': function(element) { return getPixelValue(element, 'marginTop'); },
'margin-bottom': function(element) { return getPixelValue(element, 'marginBottom'); },
'margin-left': function(element) { return getPixelValue(element, 'marginLeft'); },
'margin-right': function(element) { return getPixelValue(element, 'marginRight'); } } });
if ('getBoundingClientRect' in document.documentElement) { Object.extend(Element.Layout.COMPUTATIONS, { 'right': function(element) { var parent = hasLayout(element.getOffsetParent()); var rect = element.getBoundingClientRect(), pRect = parent.getBoundingClientRect();
return (pRect.right - rect.right).round(); },
'bottom': function(element) { var parent = hasLayout(element.getOffsetParent()); var rect = element.getBoundingClientRect(), pRect = parent.getBoundingClientRect();
return (pRect.bottom - rect.bottom).round(); } }); }
Element.Offset = Class.create({ initialize: function(left, top) { this.left = left.round(); this.top = top.round();
this[0] = this.left; this[1] = this.top; },
relativeTo: function(offset) { return new Element.Offset( this.left - offset.left, this.top - offset.top ); },
inspect: function() { return "#<Element.Offset left: #{left} top: #{top}>".interpolate(this); },
toString: function() { return "[#{left}, #{top}]".interpolate(this); },
toArray: function() { return [this.left, this.top]; } });
function getLayout(element, preCompute) { return new Element.Layout(element, preCompute); }
function measure(element, property) { return $(element).getLayout().get(property); }
function getDimensions(element) { element = $(element); var display = Element.getStyle(element, 'display');
if (display && display !== 'none') { return { width: element.offsetWidth, height: element.offsetHeight }; }
var style = element.style; var originalStyles = { visibility: style.visibility, position: style.position, display: style.display };
var newStyles = { visibility: 'hidden', display: 'block' };
if (originalStyles.position !== 'fixed') newStyles.position = 'absolute';
Element.setStyle(element, newStyles);
var dimensions = { width: element.offsetWidth, height: element.offsetHeight };
Element.setStyle(element, originalStyles);
return dimensions; }
function getOffsetParent(element) { element = $(element);
if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element)) return $(document.body);
var isInline = (Element.getStyle(element, 'display') === 'inline'); if (!isInline && element.offsetParent) return $(element.offsetParent);
while ((element = element.parentNode) && element !== document.body) { if (Element.getStyle(element, 'position') !== 'static') { return isHtml(element) ? $(document.body) : $(element); } }
return $(document.body); }
function cumulativeOffset(element) { element = $(element); var valueT = 0, valueL = 0; if (element.parentNode) { do { valueT += element.offsetTop || 0; valueL += element.offsetLeft || 0; element = element.offsetParent; } while (element); } return new Element.Offset(valueL, valueT); }
function positionedOffset(element) { element = $(element);
var layout = element.getLayout();
var valueT = 0, valueL = 0; do { valueT += element.offsetTop || 0; valueL += element.offsetLeft || 0; element = element.offsetParent; if (element) { if (isBody(element)) break; var p = Element.getStyle(element, 'position'); if (p !== 'static') break; } } while (element);
valueL -= layout.get('margin-top'); valueT -= layout.get('margin-left');
return new Element.Offset(valueL, valueT); }
function cumulativeScrollOffset(element) { var valueT = 0, valueL = 0; do { valueT += element.scrollTop || 0; valueL += element.scrollLeft || 0; element = element.parentNode; } while (element); return new Element.Offset(valueL, valueT); }
function viewportOffset(forElement) { element = $(element); var valueT = 0, valueL = 0, docBody = document.body;
var element = forElement; do { valueT += element.offsetTop || 0; valueL += element.offsetLeft || 0; if (element.offsetParent == docBody && Element.getStyle(element, 'position') == 'absolute') break; } while (element = element.offsetParent);
element = forElement; do { if (element != docBody) { valueT -= element.scrollTop || 0; valueL -= element.scrollLeft || 0; } } while (element = element.parentNode); return new Element.Offset(valueL, valueT); }
function absolutize(element) { element = $(element);
if (Element.getStyle(element, 'position') === 'absolute') { return element; }
var offsetParent = getOffsetParent(element); var eOffset = element.viewportOffset(), pOffset = offsetParent.viewportOffset();
var offset = eOffset.relativeTo(pOffset); var layout = element.getLayout();
element.store('prototype_absolutize_original_styles', { left: element.getStyle('left'), top: element.getStyle('top'), width: element.getStyle('width'), height: element.getStyle('height') });
element.setStyle({ position: 'absolute', top: offset.top + 'px', left: offset.left + 'px', width: layout.get('width') + 'px', height: layout.get('height') + 'px' });
return element; }
function relativize(element) { element = $(element); if (Element.getStyle(element, 'position') === 'relative') { return element; }
var originalStyles = element.retrieve('prototype_absolutize_original_styles');
if (originalStyles) element.setStyle(originalStyles); return element; }
if (Prototype.Browser.IE) { getOffsetParent = getOffsetParent.wrap( function(proceed, element) { element = $(element);
if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element)) return $(document.body);
var position = element.getStyle('position'); if (position !== 'static') return proceed(element);
element.setStyle({ position: 'relative' }); var value = proceed(element); element.setStyle({ position: position }); return value; } );
positionedOffset = positionedOffset.wrap(function(proceed, element) { element = $(element); if (!element.parentNode) return new Element.Offset(0, 0); var position = element.getStyle('position'); if (position !== 'static') return proceed(element);
var offsetParent = element.getOffsetParent(); if (offsetParent && offsetParent.getStyle('position') === 'fixed') hasLayout(offsetParent);
element.setStyle({ position: 'relative' }); var value = proceed(element); element.setStyle({ position: position }); return value; }); } else if (Prototype.Browser.Webkit) { cumulativeOffset = function(element) { element = $(element); var valueT = 0, valueL = 0; do { valueT += element.offsetTop || 0; valueL += element.offsetLeft || 0; if (element.offsetParent == document.body) if (Element.getStyle(element, 'position') == 'absolute') break;
element = element.offsetParent; } while (element);
return new Element.Offset(valueL, valueT); }; }
Element.addMethods({ getLayout: getLayout, measure: measure, getDimensions: getDimensions, getOffsetParent: getOffsetParent, cumulativeOffset: cumulativeOffset, positionedOffset: positionedOffset, cumulativeScrollOffset: cumulativeScrollOffset, viewportOffset: viewportOffset, absolutize: absolutize, relativize: relativize });
function isBody(element) { return element.nodeName.toUpperCase() === 'BODY'; }
function isHtml(element) { return element.nodeName.toUpperCase() === 'HTML'; }
function isDocument(element) { return element.nodeType === Node.DOCUMENT_NODE; }
function isDetached(element) { return element !== document.body && !Element.descendantOf(element, document.body); }
if ('getBoundingClientRect' in document.documentElement) { Element.addMethods({ viewportOffset: function(element) { element = $(element); if (isDetached(element)) return new Element.Offset(0, 0);
var rect = element.getBoundingClientRect(), docEl = document.documentElement; return new Element.Offset(rect.left - docEl.clientLeft, rect.top - docEl.clientTop); } }); }
})(); window.$$ = function() {
var expression = $A(arguments).join(', '); return Prototype.Selector.select(expression, document);
};
Prototype.Selector = (function() {
function select() { throw new Error('Method "Prototype.Selector.select" must be defined.'); }
function match() { throw new Error('Method "Prototype.Selector.match" must be defined.'); }
function find(elements, expression, index) { index = index || 0; var match = Prototype.Selector.match, length = elements.length, matchIndex = 0, i;
for (i = 0; i < length; i++) { if (match(elements[i], expression) && index == matchIndex++) { return Element.extend(elements[i]); } } }
function extendElements(elements) { for (var i = 0, length = elements.length; i < length; i++) { Element.extend(elements[i]); } return elements; }
var K = Prototype.K;
return { select: select, match: match, find: find, extendElements: (Element.extend === K) ? K : extendElements, extendElement: Element.extend };
})(); /*!
* Sizzle CSS Selector Engine - v1.0 * Copyright 2009, The Dojo Foundation * Released under the MIT, BSD, and GPL Licenses. * More information: http://sizzlejs.com/ */
(function(){
var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g, done = 0, toString = Object.prototype.toString, hasDuplicate = false, baseHasDuplicate = true;
[0, 0].sort(function(){ baseHasDuplicate = false; return 0; });
var Sizzle = function(selector, context, results, seed) { results = results || []; var origContext = context = context || document;
if ( context.nodeType !== 1 && context.nodeType !== 9 ) { return []; }
if ( !selector || typeof selector !== "string" ) { return results; }
var parts = [], m, set, checkSet, check, mode, extra, prune = true, contextXML = isXML(context), soFar = selector;
while ( (chunker.exec(""), m = chunker.exec(soFar)) !== null ) { soFar = m[3];
parts.push( m[1] );
if ( m[2] ) { extra = m[3]; break; } }
if ( parts.length > 1 && origPOS.exec( selector ) ) { if ( parts.length === 2 && Expr.relative[ parts[0] ] ) { set = posProcess( parts[0] + parts[1], context ); } else { set = Expr.relative[ parts[0] ] ? [ context ] : Sizzle( parts.shift(), context );
while ( parts.length ) { selector = parts.shift();
if ( Expr.relative[ selector ] ) selector += parts.shift();
set = posProcess( selector, set ); } } } else { if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML && Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) { var ret = Sizzle.find( parts.shift(), context, contextXML ); context = ret.expr ? Sizzle.filter( ret.expr, ret.set )[0] : ret.set[0]; }
if ( context ) { var ret = seed ? { expr: parts.pop(), set: makeArray(seed) } : Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML ); set = ret.expr ? Sizzle.filter( ret.expr, ret.set ) : ret.set;
if ( parts.length > 0 ) { checkSet = makeArray(set); } else { prune = false; }
while ( parts.length ) { var cur = parts.pop(), pop = cur;
if ( !Expr.relative[ cur ] ) { cur = ""; } else { pop = parts.pop(); }
if ( pop == null ) { pop = context; }
Expr.relative[ cur ]( checkSet, pop, contextXML ); } } else { checkSet = parts = []; } }
if ( !checkSet ) { checkSet = set; }
if ( !checkSet ) { throw "Syntax error, unrecognized expression: " + (cur || selector); }
if ( toString.call(checkSet) === "[object Array]" ) { if ( !prune ) { results.push.apply( results, checkSet ); } else if ( context && context.nodeType === 1 ) { for ( var i = 0; checkSet[i] != null; i++ ) { if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && contains(context, checkSet[i])) ) { results.push( set[i] ); } } } else { for ( var i = 0; checkSet[i] != null; i++ ) { if ( checkSet[i] && checkSet[i].nodeType === 1 ) { results.push( set[i] ); } } } } else { makeArray( checkSet, results ); }
if ( extra ) { Sizzle( extra, origContext, results, seed ); Sizzle.uniqueSort( results ); }
return results; };
Sizzle.uniqueSort = function(results){ if ( sortOrder ) { hasDuplicate = baseHasDuplicate; results.sort(sortOrder);
if ( hasDuplicate ) { for ( var i = 1; i < results.length; i++ ) { if ( results[i] === results[i-1] ) { results.splice(i--, 1); } } } }
return results; };
Sizzle.matches = function(expr, set){ return Sizzle(expr, null, null, set); };
Sizzle.find = function(expr, context, isXML){ var set, match;
if ( !expr ) { return []; }
for ( var i = 0, l = Expr.order.length; i < l; i++ ) { var type = Expr.order[i], match;
if ( (match = Expr.leftMatch[ type ].exec( expr )) ) { var left = match[1]; match.splice(1,1);
if ( left.substr( left.length - 1 ) !== "\\" ) { match[1] = (match[1] || "").replace(/\\/g, ""); set = Expr.find[ type ]( match, context, isXML ); if ( set != null ) { expr = expr.replace( Expr.match[ type ], "" ); break; } } } }
if ( !set ) { set = context.getElementsByTagName("*"); }
return {set: set, expr: expr}; };
Sizzle.filter = function(expr, set, inplace, not){ var old = expr, result = [], curLoop = set, match, anyFound, isXMLFilter = set && set[0] && isXML(set[0]);
while ( expr && set.length ) { for ( var type in Expr.filter ) { if ( (match = Expr.match[ type ].exec( expr )) != null ) { var filter = Expr.filter[ type ], found, item; anyFound = false;
if ( curLoop == result ) { result = []; }
if ( Expr.preFilter[ type ] ) { match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );
if ( !match ) { anyFound = found = true; } else if ( match === true ) { continue; } }
if ( match ) { for ( var i = 0; (item = curLoop[i]) != null; i++ ) { if ( item ) { found = filter( item, match, i, curLoop ); var pass = not ^ !!found;
if ( inplace && found != null ) { if ( pass ) { anyFound = true; } else { curLoop[i] = false; } } else if ( pass ) { result.push( item ); anyFound = true; } } } }
if ( found !== undefined ) { if ( !inplace ) { curLoop = result; }
expr = expr.replace( Expr.match[ type ], "" );
if ( !anyFound ) { return []; }
break; } } }
if ( expr == old ) { if ( anyFound == null ) { throw "Syntax error, unrecognized expression: " + expr; } else { break; } }
old = expr; }
return curLoop; };
var Expr = Sizzle.selectors = { order: [ "ID", "NAME", "TAG" ], match: { ID: /#((?:[\w\u00c0-\uFFFF-]|\\.)+)/, CLASS: /\.((?:[\w\u00c0-\uFFFF-]|\\.)+)/, NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF-]|\\.)+)['"]*\]/, ATTR: /\[\s*((?:[\w\u00c0-\uFFFF-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/, TAG: /^((?:[\w\u00c0-\uFFFF\*-]|\\.)+)/, CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/, POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/, PSEUDO: /:((?:[\w\u00c0-\uFFFF-]|\\.)+)(?:\((['"]*)((?:\([^\)]+\)|[^\2\(\)]*)+)\2\))?/ }, leftMatch: {}, attrMap: { "class": "className", "for": "htmlFor" }, attrHandle: { href: function(elem){ return elem.getAttribute("href"); } }, relative: { "+": function(checkSet, part, isXML){ var isPartStr = typeof part === "string", isTag = isPartStr && !/\W/.test(part), isPartStrNotTag = isPartStr && !isTag;
if ( isTag && !isXML ) { part = part.toUpperCase(); }
for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) { if ( (elem = checkSet[i]) ) { while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}
checkSet[i] = isPartStrNotTag || elem && elem.nodeName === part ? elem || false : elem === part; } }
if ( isPartStrNotTag ) { Sizzle.filter( part, checkSet, true ); } }, ">": function(checkSet, part, isXML){ var isPartStr = typeof part === "string";
if ( isPartStr && !/\W/.test(part) ) { part = isXML ? part : part.toUpperCase();
for ( var i = 0, l = checkSet.length; i < l; i++ ) { var elem = checkSet[i]; if ( elem ) { var parent = elem.parentNode; checkSet[i] = parent.nodeName === part ? parent : false; } } } else { for ( var i = 0, l = checkSet.length; i < l; i++ ) { var elem = checkSet[i]; if ( elem ) { checkSet[i] = isPartStr ? elem.parentNode : elem.parentNode === part; } }
if ( isPartStr ) { Sizzle.filter( part, checkSet, true ); } } }, "": function(checkSet, part, isXML){ var doneName = done++, checkFn = dirCheck;
if ( !/\W/.test(part) ) { var nodeCheck = part = isXML ? part : part.toUpperCase(); checkFn = dirNodeCheck; }
checkFn("parentNode", part, doneName, checkSet, nodeCheck, isXML); }, "~": function(checkSet, part, isXML){ var doneName = done++, checkFn = dirCheck;
if ( typeof part === "string" && !/\W/.test(part) ) { var nodeCheck = part = isXML ? part : part.toUpperCase(); checkFn = dirNodeCheck; }
checkFn("previousSibling", part, doneName, checkSet, nodeCheck, isXML); } }, find: { ID: function(match, context, isXML){ if ( typeof context.getElementById !== "undefined" && !isXML ) { var m = context.getElementById(match[1]); return m ? [m] : []; } }, NAME: function(match, context, isXML){ if ( typeof context.getElementsByName !== "undefined" ) { var ret = [], results = context.getElementsByName(match[1]);
for ( var i = 0, l = results.length; i < l; i++ ) { if ( results[i].getAttribute("name") === match[1] ) { ret.push( results[i] ); } }
return ret.length === 0 ? null : ret; } }, TAG: function(match, context){ return context.getElementsByTagName(match[1]); } }, preFilter: { CLASS: function(match, curLoop, inplace, result, not, isXML){ match = " " + match[1].replace(/\\/g, "") + " ";
if ( isXML ) { return match; }
for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) { if ( elem ) { if ( not ^ (elem.className && (" " + elem.className + " ").indexOf(match) >= 0) ) { if ( !inplace ) result.push( elem ); } else if ( inplace ) { curLoop[i] = false; } } }
return false; }, ID: function(match){ return match[1].replace(/\\/g, ""); }, TAG: function(match, curLoop){ for ( var i = 0; curLoop[i] === false; i++ ){} return curLoop[i] && isXML(curLoop[i]) ? match[1] : match[1].toUpperCase(); }, CHILD: function(match){ if ( match[1] == "nth" ) { var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec( match[2] == "even" && "2n" || match[2] == "odd" && "2n+1" || !/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);
match[2] = (test[1] + (test[2] || 1)) - 0; match[3] = test[3] - 0; }
match[0] = done++;
return match; }, ATTR: function(match, curLoop, inplace, result, not, isXML){ var name = match[1].replace(/\\/g, "");
if ( !isXML && Expr.attrMap[name] ) { match[1] = Expr.attrMap[name]; }
if ( match[2] === "~=" ) { match[4] = " " + match[4] + " "; }
return match; }, PSEUDO: function(match, curLoop, inplace, result, not){ if ( match[1] === "not" ) { if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) { match[3] = Sizzle(match[3], null, null, curLoop); } else { var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not); if ( !inplace ) { result.push.apply( result, ret ); } return false; } } else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) { return true; }
return match; }, POS: function(match){ match.unshift( true ); return match; } }, filters: { enabled: function(elem){ return elem.disabled === false && elem.type !== "hidden"; }, disabled: function(elem){ return elem.disabled === true; }, checked: function(elem){ return elem.checked === true; }, selected: function(elem){ elem.parentNode.selectedIndex; return elem.selected === true; }, parent: function(elem){ return !!elem.firstChild; }, empty: function(elem){ return !elem.firstChild; }, has: function(elem, i, match){ return !!Sizzle( match[3], elem ).length; }, header: function(elem){ return /h\d/i.test( elem.nodeName ); }, text: function(elem){ return "text" === elem.type; }, radio: function(elem){ return "radio" === elem.type; }, checkbox: function(elem){ return "checkbox" === elem.type; }, file: function(elem){ return "file" === elem.type; }, password: function(elem){ return "password" === elem.type; }, submit: function(elem){ return "submit" === elem.type; }, image: function(elem){ return "image" === elem.type; }, reset: function(elem){ return "reset" === elem.type; }, button: function(elem){ return "button" === elem.type || elem.nodeName.toUpperCase() === "BUTTON"; }, input: function(elem){ return /input|select|textarea|button/i.test(elem.nodeName); } }, setFilters: { first: function(elem, i){ return i === 0; }, last: function(elem, i, match, array){ return i === array.length - 1; }, even: function(elem, i){ return i % 2 === 0; }, odd: function(elem, i){ return i % 2 === 1; }, lt: function(elem, i, match){ return i < match[3] - 0; }, gt: function(elem, i, match){ return i > match[3] - 0; }, nth: function(elem, i, match){ return match[3] - 0 == i; }, eq: function(elem, i, match){ return match[3] - 0 == i; } }, filter: { PSEUDO: function(elem, match, i, array){ var name = match[1], filter = Expr.filters[ name ];
if ( filter ) { return filter( elem, i, match, array ); } else if ( name === "contains" ) { return (elem.textContent || elem.innerText || "").indexOf(match[3]) >= 0; } else if ( name === "not" ) { var not = match[3];
for ( var i = 0, l = not.length; i < l; i++ ) { if ( not[i] === elem ) { return false; } }
return true; } }, CHILD: function(elem, match){ var type = match[1], node = elem; switch (type) { case 'only': case 'first': while ( (node = node.previousSibling) ) { if ( node.nodeType === 1 ) return false; } if ( type == 'first') return true; node = elem; case 'last': while ( (node = node.nextSibling) ) { if ( node.nodeType === 1 ) return false; } return true; case 'nth': var first = match[2], last = match[3];
if ( first == 1 && last == 0 ) { return true; }
var doneName = match[0], parent = elem.parentNode;
if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) { var count = 0; for ( node = parent.firstChild; node; node = node.nextSibling ) { if ( node.nodeType === 1 ) { node.nodeIndex = ++count; } } parent.sizcache = doneName; }
var diff = elem.nodeIndex - last; if ( first == 0 ) { return diff == 0; } else { return ( diff % first == 0 && diff / first >= 0 ); } } }, ID: function(elem, match){ return elem.nodeType === 1 && elem.getAttribute("id") === match; }, TAG: function(elem, match){ return (match === "*" && elem.nodeType === 1) || elem.nodeName === match; }, CLASS: function(elem, match){ return (" " + (elem.className || elem.getAttribute("class")) + " ") .indexOf( match ) > -1; }, ATTR: function(elem, match){ var name = match[1], result = Expr.attrHandle[ name ] ? Expr.attrHandle[ name ]( elem ) : elem[ name ] != null ? elem[ name ] : elem.getAttribute( name ), value = result + "", type = match[2], check = match[4];
return result == null ? type === "!=" : type === "=" ? value === check : type === "*=" ? value.indexOf(check) >= 0 : type === "~=" ? (" " + value + " ").indexOf(check) >= 0 : !check ? value && result !== false : type === "!=" ? value != check : type === "^=" ? value.indexOf(check) === 0 : type === "$=" ? value.substr(value.length - check.length) === check : type === "|=" ? value === check || value.substr(0, check.length + 1) === check + "-" : false; }, POS: function(elem, match, i, array){ var name = match[2], filter = Expr.setFilters[ name ];
if ( filter ) { return filter( elem, i, match, array ); } } } };
var origPOS = Expr.match.POS;
for ( var type in Expr.match ) { Expr.match[ type ] = new RegExp( Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source ); Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source ); }
var makeArray = function(array, results) { array = Array.prototype.slice.call( array, 0 );
if ( results ) { results.push.apply( results, array ); return results; }
return array; };
try { Array.prototype.slice.call( document.documentElement.childNodes, 0 );
} catch(e){ makeArray = function(array, results) { var ret = results || [];
if ( toString.call(array) === "[object Array]" ) { Array.prototype.push.apply( ret, array ); } else { if ( typeof array.length === "number" ) { for ( var i = 0, l = array.length; i < l; i++ ) { ret.push( array[i] ); } } else { for ( var i = 0; array[i]; i++ ) { ret.push( array[i] ); } } }
return ret; }; }
var sortOrder;
if ( document.documentElement.compareDocumentPosition ) { sortOrder = function( a, b ) { if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) { if ( a == b ) { hasDuplicate = true; } return 0; }
var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1; if ( ret === 0 ) { hasDuplicate = true; } return ret; }; } else if ( "sourceIndex" in document.documentElement ) { sortOrder = function( a, b ) { if ( !a.sourceIndex || !b.sourceIndex ) { if ( a == b ) { hasDuplicate = true; } return 0; }
var ret = a.sourceIndex - b.sourceIndex; if ( ret === 0 ) { hasDuplicate = true; } return ret; }; } else if ( document.createRange ) { sortOrder = function( a, b ) { if ( !a.ownerDocument || !b.ownerDocument ) { if ( a == b ) { hasDuplicate = true; } return 0; }
var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange(); aRange.setStart(a, 0); aRange.setEnd(a, 0); bRange.setStart(b, 0); bRange.setEnd(b, 0); var ret = aRange.compareBoundaryPoints(Range.START_TO_END, bRange); if ( ret === 0 ) { hasDuplicate = true; } return ret; }; }
(function(){ var form = document.createElement("div"), id = "script" + (new Date).getTime(); form.innerHTML = "<a name='" + id + "'/>";
var root = document.documentElement; root.insertBefore( form, root.firstChild );
if ( !!document.getElementById( id ) ) { Expr.find.ID = function(match, context, isXML){ if ( typeof context.getElementById !== "undefined" && !isXML ) { var m = context.getElementById(match[1]); return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : []; } };
Expr.filter.ID = function(elem, match){ var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id"); return elem.nodeType === 1 && node && node.nodeValue === match; }; }
root.removeChild( form ); root = form = null; // release memory in IE })();
(function(){
var div = document.createElement("div"); div.appendChild( document.createComment("") );
if ( div.getElementsByTagName("*").length > 0 ) { Expr.find.TAG = function(match, context){ var results = context.getElementsByTagName(match[1]);
if ( match[1] === "*" ) { var tmp = [];
for ( var i = 0; results[i]; i++ ) { if ( results[i].nodeType === 1 ) { tmp.push( results[i] ); } }
results = tmp; }
return results; }; }
div.innerHTML = "<a href='#'></a>"; if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" && div.firstChild.getAttribute("href") !== "#" ) { Expr.attrHandle.href = function(elem){ return elem.getAttribute("href", 2); }; }
div = null; // release memory in IE })();
if ( document.querySelectorAll ) (function(){ var oldSizzle = Sizzle, div = document.createElement("div");
div.innerHTML = "";if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) { return; }
Sizzle = function(query, context, extra, seed){ context = context || document;
if ( !seed && context.nodeType === 9 && !isXML(context) ) { try { return makeArray( context.querySelectorAll(query), extra ); } catch(e){} }
return oldSizzle(query, context, extra, seed); };
for ( var prop in oldSizzle ) { Sizzle[ prop ] = oldSizzle[ prop ]; }
div = null; // release memory in IE })();
if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){ var div = document.createElement("div");
div.innerHTML = "";if ( div.getElementsByClassName("e").length === 0 ) return;
div.lastChild.className = "e";
if ( div.getElementsByClassName("e").length === 1 ) return;
Expr.order.splice(1, 0, "CLASS"); Expr.find.CLASS = function(match, context, isXML) { if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) { return context.getElementsByClassName(match[1]); } };
div = null; // release memory in IE })();
function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) { var sibDir = dir == "previousSibling" && !isXML; for ( var i = 0, l = checkSet.length; i < l; i++ ) { var elem = checkSet[i]; if ( elem ) { if ( sibDir && elem.nodeType === 1 ){ elem.sizcache = doneName; elem.sizset = i; } elem = elem[dir]; var match = false;
while ( elem ) { if ( elem.sizcache === doneName ) { match = checkSet[elem.sizset]; break; }
if ( elem.nodeType === 1 && !isXML ){ elem.sizcache = doneName; elem.sizset = i; }
if ( elem.nodeName === cur ) { match = elem; break; }
elem = elem[dir]; }
checkSet[i] = match; } } }
function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) { var sibDir = dir == "previousSibling" && !isXML; for ( var i = 0, l = checkSet.length; i < l; i++ ) { var elem = checkSet[i]; if ( elem ) { if ( sibDir && elem.nodeType === 1 ) { elem.sizcache = doneName; elem.sizset = i; } elem = elem[dir]; var match = false;
while ( elem ) { if ( elem.sizcache === doneName ) { match = checkSet[elem.sizset]; break; }
if ( elem.nodeType === 1 ) { if ( !isXML ) { elem.sizcache = doneName; elem.sizset = i; } if ( typeof cur !== "string" ) { if ( elem === cur ) { match = true; break; }
} else if ( Sizzle.filter( cur, [elem] ).length > 0 ) { match = elem; break; } }
elem = elem[dir]; }
checkSet[i] = match; } } }
var contains = document.compareDocumentPosition ? function(a, b){ return a.compareDocumentPosition(b) & 16; } : function(a, b){ return a !== b && (a.contains ? a.contains(b) : true); };
var isXML = function(elem){ return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" || !!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML"; };
var posProcess = function(selector, context){ var tmpSet = [], later = "", match, root = context.nodeType ? [context] : context;
while ( (match = Expr.match.PSEUDO.exec( selector )) ) { later += match[0]; selector = selector.replace( Expr.match.PSEUDO, "" ); }
selector = Expr.relative[selector] ? selector + "*" : selector;
for ( var i = 0, l = root.length; i < l; i++ ) { Sizzle( selector, root[i], tmpSet ); }
return Sizzle.filter( later, tmpSet ); };
window.Sizzle = Sizzle;
})();
Prototype._original_property = window.Sizzle;
- (function(engine) {
var extendElements = Prototype.Selector.extendElements;
function select(selector, scope) { return extendElements(engine(selector, scope || document)); }
function match(element, selector) { return engine.matches(selector, [element]).length == 1; }
Prototype.Selector.engine = engine; Prototype.Selector.select = select; Prototype.Selector.match = match;
})(Sizzle);
window.Sizzle = Prototype._original_property; delete Prototype._original_property;
var Form = {
reset: function(form) { form = $(form); form.reset(); return form; },
serializeElements: function(elements, options) { if (typeof options != 'object') options = { hash: !!options }; else if (Object.isUndefined(options.hash)) options.hash = true; var key, value, submitted = false, submit = options.submit, accumulator, initial;
if (options.hash) { initial = {}; accumulator = function(result, key, value) { if (key in result) { if (!Object.isArray(result[key])) result[key] = [result[key]]; result[key].push(value); } else result[key] = value; return result; }; } else { initial = ; accumulator = function(result, key, value) { return result + (result ? '&' : ) + encodeURIComponent(key) + '=' + encodeURIComponent(value); } }
return elements.inject(initial, function(result, element) { if (!element.disabled && element.name) { key = element.name; value = $(element).getValue(); if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted && submit !== false && (!submit || key == submit) && (submitted = true)))) { result = accumulator(result, key, value); } } return result; }); }
};
Form.Methods = {
serialize: function(form, options) { return Form.serializeElements(Form.getElements(form), options); },
getElements: function(form) { var elements = $(form).getElementsByTagName('*'), element, arr = [ ], serializers = Form.Element.Serializers; for (var i = 0; element = elements[i]; i++) { arr.push(element); } return arr.inject([], function(elements, child) { if (serializers[child.tagName.toLowerCase()]) elements.push(Element.extend(child)); return elements; }) },
getInputs: function(form, typeName, name) { form = $(form); var inputs = form.getElementsByTagName('input');
if (!typeName && !name) return $A(inputs).map(Element.extend);
for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { var input = inputs[i]; if ((typeName && input.type != typeName) || (name && input.name != name)) continue; matchingInputs.push(Element.extend(input)); }
return matchingInputs; },
disable: function(form) { form = $(form); Form.getElements(form).invoke('disable'); return form; },
enable: function(form) { form = $(form); Form.getElements(form).invoke('enable'); return form; },
findFirstElement: function(form) { var elements = $(form).getElements().findAll(function(element) { return 'hidden' != element.type && !element.disabled; }); var firstByIndex = elements.findAll(function(element) { return element.hasAttribute('tabIndex') && element.tabIndex >= 0; }).sortBy(function(element) { return element.tabIndex }).first();
return firstByIndex ? firstByIndex : elements.find(function(element) { return /^(?:input|select|textarea)$/i.test(element.tagName); }); },
focusFirstElement: function(form) { form = $(form); var element = form.findFirstElement(); if (element) element.activate(); return form; },
request: function(form, options) { form = $(form), options = Object.clone(options || { });
var params = options.parameters, action = form.readAttribute('action') || ; if (action.blank()) action = window.location.href; options.parameters = form.serialize(true);
if (params) { if (Object.isString(params)) params = params.toQueryParams(); Object.extend(options.parameters, params); }
if (form.hasAttribute('method') && !options.method) options.method = form.method;
return new Ajax.Request(action, options); }
};
/*--------------------------------------------------------------------------*/
Form.Element = {
focus: function(element) { $(element).focus(); return element; },
select: function(element) { $(element).select(); return element; }
};
Form.Element.Methods = {
serialize: function(element) { element = $(element); if (!element.disabled && element.name) { var value = element.getValue(); if (value != undefined) { var pair = { }; pair[element.name] = value; return Object.toQueryString(pair); } } return ; },
getValue: function(element) { element = $(element); var method = element.tagName.toLowerCase(); return Form.Element.Serializers[method](element); },
setValue: function(element, value) { element = $(element); var method = element.tagName.toLowerCase(); Form.Element.Serializers[method](element, value); return element; },
clear: function(element) { $(element).value = ; return element; },
present: function(element) { return $(element).value != ; },
activate: function(element) { element = $(element); try { element.focus(); if (element.select && (element.tagName.toLowerCase() != 'input' || !(/^(?:button|reset|submit)$/i.test(element.type)))) element.select(); } catch (e) { } return element; },
disable: function(element) { element = $(element); element.disabled = true; return element; },
enable: function(element) { element = $(element); element.disabled = false; return element; }
};
/*--------------------------------------------------------------------------*/
var Field = Form.Element;
var $F = Form.Element.Methods.getValue;
/*--------------------------------------------------------------------------*/
Form.Element.Serializers = (function() {
function input(element, value) { switch (element.type.toLowerCase()) { case 'checkbox': case 'radio': return inputSelector(element, value); default: return valueSelector(element, value); } }
function inputSelector(element, value) { if (Object.isUndefined(value)) return element.checked ? element.value : null; else element.checked = !!value; }
function valueSelector(element, value) { if (Object.isUndefined(value)) return element.value; else element.value = value; }
function select(element, value) { if (Object.isUndefined(value)) return (element.type === 'select-one' ? selectOne : selectMany)(element);
var opt, currentValue, single = !Object.isArray(value); for (var i = 0, length = element.length; i < length; i++) { opt = element.options[i]; currentValue = this.optionValue(opt); if (single) { if (currentValue == value) { opt.selected = true; return; } } else opt.selected = value.include(currentValue); } }
function selectOne(element) { var index = element.selectedIndex; return index >= 0 ? optionValue(element.options[index]) : null; }
function selectMany(element) { var values, length = element.length; if (!length) return null;
for (var i = 0, values = []; i < length; i++) { var opt = element.options[i]; if (opt.selected) values.push(optionValue(opt)); } return values; }
function optionValue(opt) { return Element.hasAttribute(opt, 'value') ? opt.value : opt.text; }
return { input: input, inputSelector: inputSelector, textarea: valueSelector, select: select, selectOne: selectOne, selectMany: selectMany, optionValue: optionValue, button: valueSelector };
})();
/*--------------------------------------------------------------------------*/
Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
initialize: function($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); }
var legacyButtonMap = { 0: 1, 1: 4, 2: 2 }; function _isButtonForLegacyEvents(event, code) { return event.button === legacyButtonMap[code]; }
function _isButtonForWebKit(event, code) { switch (code) { case 0: return event.which == 1 && !event.metaKey; case 1: return event.which == 2 || (event.which == 1 && event.metaKey); case 2: return event.which == 3; default: return false; } }
if (window.attachEvent) { if (!window.addEventListener) { _isButton = _isButtonForLegacyEvents; } else { _isButton = function(event, code) { return isIELegacyEvent(event) ? _isButtonForLegacyEvents(event, code) : _isButtonForDOMEvents(event, code); } } } else if (Prototype.Browser.WebKit) { _isButton = _isButtonForWebKit; } else { _isButton = _isButtonForDOMEvents; }
function isLeftClick(event) { return _isButton(event, 0) }
function isMiddleClick(event) { return _isButton(event, 1) }
function isRightClick(event) { return _isButton(event, 2) }
function element(event) { event = Event.extend(event);
var node = event.target, type = event.type, currentTarget = event.currentTarget;
if (currentTarget && currentTarget.tagName) { if (type === 'load' || type === 'error' || (type === 'click' && currentTarget.tagName.toLowerCase() === 'input' && currentTarget.type === 'radio')) node = currentTarget; }
if (node.nodeType == Node.TEXT_NODE) node = node.parentNode;
return Element.extend(node); }
function findElement(event, expression) { var element = Event.element(event);
if (!expression) return element; while (element) { if (Object.isElement(element) && Prototype.Selector.match(element, expression)) { return Element.extend(element); } element = element.parentNode; } }
function pointer(event) { return { x: pointerX(event), y: pointerY(event) }; }
function pointerX(event) { var docElement = document.documentElement, body = document.body || { scrollLeft: 0 };
return event.pageX || (event.clientX + (docElement.scrollLeft || body.scrollLeft) - (docElement.clientLeft || 0)); }
function pointerY(event) { var docElement = document.documentElement, body = document.body || { scrollTop: 0 };
return event.pageY || (event.clientY + (docElement.scrollTop || body.scrollTop) - (docElement.clientTop || 0)); }
function stop(event) { Event.extend(event); event.preventDefault(); event.stopPropagation();
event.stopped = true; }
Event.Methods = { isLeftClick: isLeftClick, isMiddleClick: isMiddleClick, isRightClick: isRightClick,
element: element, findElement: findElement,
pointer: pointer, pointerX: pointerX, pointerY: pointerY,
stop: stop };
var methods = Object.keys(Event.Methods).inject({ }, function(m, name) { m[name] = Event.Methods[name].methodize(); return m; });
if (window.attachEvent) { function _relatedTarget(event) { var element; switch (event.type) { case 'mouseover': case 'mouseenter': element = event.fromElement; break; case 'mouseout': case 'mouseleave': element = event.toElement; break; default: return null; } return Element.extend(element); }
var additionalMethods = { stopPropagation: function() { this.cancelBubble = true }, preventDefault: function() { this.returnValue = false }, inspect: function() { return '[object Event]' } };
Event.extend = function(event, element) { if (!event) return false;
if (!isIELegacyEvent(event)) return event;
if (event._extendedByPrototype) return event; event._extendedByPrototype = Prototype.emptyFunction;
var pointer = Event.pointer(event);
Object.extend(event, { target: event.srcElement || element, relatedTarget: _relatedTarget(event), pageX: pointer.x, pageY: pointer.y });
Object.extend(event, methods); Object.extend(event, additionalMethods);
return event; }; } else { Event.extend = Prototype.K; }
if (window.addEventListener) { Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__; Object.extend(Event.prototype, methods); }
function _createResponder(element, eventName, handler) { var registry = Element.retrieve(element, 'prototype_event_registry');
if (Object.isUndefined(registry)) { CACHE.push(element); registry = Element.retrieve(element, 'prototype_event_registry', $H()); }
var respondersForEvent = registry.get(eventName); if (Object.isUndefined(respondersForEvent)) { respondersForEvent = []; registry.set(eventName, respondersForEvent); }
if (respondersForEvent.pluck('handler').include(handler)) return false;
var responder; if (eventName.include(":")) { responder = function(event) { if (Object.isUndefined(event.eventName)) return false;
if (event.eventName !== eventName) return false;
Event.extend(event, element); handler.call(element, event); }; } else { if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED && (eventName === "mouseenter" || eventName === "mouseleave")) { if (eventName === "mouseenter" || eventName === "mouseleave") { responder = function(event) { Event.extend(event, element);
var parent = event.relatedTarget; while (parent && parent !== element) { try { parent = parent.parentNode; } catch(e) { parent = element; } }
if (parent === element) return;
handler.call(element, event); }; } } else { responder = function(event) { Event.extend(event, element); handler.call(element, event); }; } }
responder.handler = handler; respondersForEvent.push(responder); return responder; }
function _destroyCache() { for (var i = 0, length = CACHE.length; i < length; i++) { Event.stopObserving(CACHE[i]); CACHE[i] = null; } }
var CACHE = [];
if (Prototype.Browser.IE) window.attachEvent('onunload', _destroyCache);
if (Prototype.Browser.WebKit) window.addEventListener('unload', Prototype.emptyFunction, false);
var _getDOMEventName = Prototype.K, translations = { mouseenter: "mouseover", mouseleave: "mouseout" };
if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) { _getDOMEventName = function(eventName) { return (translations[eventName] || eventName); }; }
function observe(element, eventName, handler) { element = $(element);
var responder = _createResponder(element, eventName, handler);
if (!responder) return element;
if (eventName.include(':')) { if (element.addEventListener) element.addEventListener("dataavailable", responder, false); else { element.attachEvent("ondataavailable", responder); element.attachEvent("onlosecapture", responder); } } else { var actualEventName = _getDOMEventName(eventName);
if (element.addEventListener) element.addEventListener(actualEventName, responder, false); else element.attachEvent("on" + actualEventName, responder); }
return element; }
function stopObserving(element, eventName, handler) { element = $(element);
var registry = Element.retrieve(element, 'prototype_event_registry'); if (!registry) return element;
if (!eventName) { registry.each( function(pair) { var eventName = pair.key; stopObserving(element, eventName); }); return element; }
var responders = registry.get(eventName); if (!responders) return element;
if (!handler) { responders.each(function(r) { stopObserving(element, eventName, r.handler); }); return element; }
var i = responders.length, responder; while (i--) { if (responders[i].handler === handler) { responder = responders[i]; 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;
})();
(function() {
/* Support for the DOMContentLoaded event is based on work by Dan Webb, Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */
var timer;
function fireContentLoadedEvent() { if (document.loaded) return; if (timer) window.clearTimeout(timer); document.loaded = true; document.fire('dom:loaded'); }
function checkReadyState() { if (document.readyState === 'complete') { document.stopObserving('readystatechange', checkReadyState); fireContentLoadedEvent(); } }
function pollDoScroll() { try { document.documentElement.doScroll('left'); } catch(e) { timer = pollDoScroll.defer(); return; } fireContentLoadedEvent(); }
if (document.addEventListener) { document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false); } else { document.observe('readystatechange', checkReadyState); if (window == top) timer = pollDoScroll.defer(); }
Event.observe(window, 'load', fireContentLoadedEvent);
})();
Element.addMethods();
/*------------------------------- DEPRECATED -------------------------------*/
Hash.toQueryString = Object.toQueryString;
var Toggle = { display: Element.toggle };
Element.Methods.childOf = Element.Methods.descendantOf;
var Insertion = {
Before: function(element, content) { return Element.insert(element, {before:content}); },
Top: function(element, content) { return Element.insert(element, {top:content}); },
Bottom: function(element, content) { return Element.insert(element, {bottom:content}); },
After: function(element, content) { return Element.insert(element, {after:content}); }
};
var $continue = new Error('"throw $continue" is deprecated, use "return" instead');
var Position = {
includeScrollOffsets: false,
prepare: function() { this.deltaX = window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft || 0; this.deltaY = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0; },
within: function(element, x, y) { if (this.includeScrollOffsets) return this.withinIncludingScrolloffsets(element, x, y); this.xcomp = x; this.ycomp = y; this.offset = Element.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 = Element.cumulativeScrollOffset(element);
this.xcomp = x + offsetcache[0] - this.deltaX; this.ycomp = y + offsetcache[1] - this.deltaY; this.offset = Element.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); },
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; },
cumulativeOffset: Element.Methods.cumulativeOffset,
positionedOffset: Element.Methods.positionedOffset,
absolutize: function(element) { Position.prepare(); return Element.absolutize(element); },
relativize: function(element) { Position.prepare(); return Element.relativize(element); },
realOffset: Element.Methods.cumulativeScrollOffset,
offsetParent: Element.Methods.getOffsetParent,
page: Element.Methods.viewportOffset,
clone: function(source, target, options) { options = options || { }; return Element.clonePosition(target, source, options); }
};
/*--------------------------------------------------------------------------*/
if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
function iter(name) { return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]"; }
instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ? function(element, className) { className = className.toString().strip(); var cond = /\s/.test(className) ? $w(className).map(iter).join() : iter(className); return cond ? document._getElementsByXPath('.//*' + cond, element) : []; } : function(element, className) { className = className.toString().strip(); var elements = [], classNames = (/\s/.test(className) ? $w(className) : null); if (!classNames && !className) return elements;
var nodes = $(element).getElementsByTagName('*'); className = ' ' + className + ' ';
for (var i = 0, child, cn; child = nodes[i]; i++) { if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) || (classNames && classNames.all(function(name) { return !name.toString().blank() && cn.include(' ' + name + ' '); })))) elements.push(Element.extend(child)); } return elements; };
return function(className, parentElement) { return $(parentElement || document.body).getElementsByClassName(className); };
}(Element.Methods);
/*--------------------------------------------------------------------------*/
Element.ClassNames = Class.create(); Element.ClassNames.prototype = {
initialize: function(element) { this.element = $(element); },
_each: function(iterator) { this.element.className.split(/\s+/).select(function(name) { return name.length > 0; })._each(iterator); },
set: function(className) { this.element.className = className; },
add: function(classNameToAdd) { if (this.include(classNameToAdd)) return; this.set($A(this).concat(classNameToAdd).join(' ')); },
remove: function(classNameToRemove) { if (!this.include(classNameToRemove)) return; this.set($A(this).without(classNameToRemove).join(' ')); },
toString: function() { return $A(this).join(' '); }
};
Object.extend(Element.ClassNames.prototype, Enumerable);
/*--------------------------------------------------------------------------*/
(function() {
window.Selector = Class.create({ initialize: function(expression) { this.expression = expression.strip(); },
findElements: function(rootElement) { return Prototype.Selector.select(this.expression, rootElement); },
match: function(element) { return Prototype.Selector.match(element, this.expression); },
toString: function() { return this.expression; },
inspect: function() { return "#<Selector: " + this.expression + ">"; } });
Object.extend(Selector, { matchElements: function(elements, expression) { var match = Prototype.Selector.match, results = [];
for (var i = 0, length = elements.length; i < length; i++) { var element = elements[i]; if (match(element, expression)) { results.push(Element.extend(element)); } } return results; },
findElement: function(elements, expression, index) { index = index || 0; var matchIndex = 0, element; for (var i = 0, length = elements.length; i < length; i++) { element = elements[i]; if (Prototype.Selector.match(element, expression) && index === matchIndex++) { return Element.extend(element); } } },
findChildElements: function(element, expressions) { var selector = expressions.toArray().join(', '); return Prototype.Selector.select(selector, element || document); } });
})();