prototype.lite.js
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上传用户:wangting
上传日期:2020-01-24
资源大小:2226k
文件大小:94k
源码类别:
破解
开发平台:
ASP/ASPX
- /* Prototype JavaScript framework, version 1.5.1
- * (c) 2005-2007 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: '1.5.1',
- Browser: {
- IE: !!(window.attachEvent && !window.opera),
- Opera: !!window.opera,
- WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
- Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1
- },
- BrowserFeatures: {
- XPath: !!document.evaluate,
- ElementExtensions: !!window.HTMLElement,
- SpecificElementExtensions:
- (document.createElement('div').__proto__ !==
- document.createElement('form').__proto__)
- },
- ScriptFragment: '<script[^>]*>([u0001-uFFFF]*?)</script>',
- JSONFilter: /^/*-secure-s*(.*)s**/s*$/,
- emptyFunction: function() { },
- K: function(x) { return x }
- }
- var Class = {
- create: function() {
- return function() {
- this.initialize.apply(this, arguments);
- }
- }
- }
- var Abstract = new Object();
- Object.extend = function(destination, source) {
- for (var property in source) {
- destination[property] = source[property];
- }
- return destination;
- }
- Object.extend(Object, {
- inspect: function(object) {
- try {
- if (object === undefined) return 'undefined';
- if (object === null) return 'null';
- return object.inspect ? object.inspect() : object.toString();
- } catch (e) {
- if (e instanceof RangeError) return '...';
- throw e;
- }
- },
- toJSON: function(object) {
- var type = typeof object;
- switch(type) {
- case 'undefined':
- case 'function':
- case 'unknown': return;
- case 'boolean': return object.toString();
- }
- if (object === null) return 'null';
- if (object.toJSON) return object.toJSON();
- if (object.ownerDocument === document) return;
- var results = [];
- for (var property in object) {
- var value = Object.toJSON(object[property]);
- if (value !== undefined)
- results.push(property.toJSON() + ': ' + value);
- }
- return '{' + results.join(', ') + '}';
- },
- keys: function(object) {
- var keys = [];
- for (var property in object)
- keys.push(property);
- return keys;
- },
- values: function(object) {
- var values = [];
- for (var property in object)
- values.push(object[property]);
- return values;
- },
- clone: function(object) {
- return Object.extend({}, object);
- }
- });
- Function.prototype.bind = function() {
- var __method = this, args = $A(arguments), object = args.shift();
- return function() {
- return __method.apply(object, args.concat($A(arguments)));
- }
- }
- Function.prototype.bindAsEventListener = function(object) {
- var __method = this, args = $A(arguments), object = args.shift();
- return function(event) {
- return __method.apply(object, [event || window.event].concat(args));
- }
- }
- Object.extend(Number.prototype, {
- toColorPart: function() {
- return this.toPaddedString(2, 16);
- },
- succ: function() {
- return this + 1;
- },
- times: function(iterator) {
- $R(0, this, true).each(iterator);
- return this;
- },
- toPaddedString: function(length, radix) {
- var string = this.toString(radix || 10);
- return '0'.times(length - string.length) + string;
- },
- toJSON: function() {
- return isFinite(this) ? this.toString() : 'null';
- }
- });
- Date.prototype.toJSON = function() {
- return '"' + this.getFullYear() + '-' +
- (this.getMonth() + 1).toPaddedString(2) + '-' +
- this.getDate().toPaddedString(2) + 'T' +
- this.getHours().toPaddedString(2) + ':' +
- this.getMinutes().toPaddedString(2) + ':' +
- this.getSeconds().toPaddedString(2) + '"';
- };
- 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 PeriodicalExecuter = Class.create();
- PeriodicalExecuter.prototype = {
- 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);
- },
- stop: function() {
- if (!this.timer) return;
- clearInterval(this.timer);
- this.timer = null;
- },
- onTimerEvent: function() {
- if (!this.currentlyExecuting) {
- try {
- this.currentlyExecuting = true;
- this.callback(this);
- } finally {
- this.currentlyExecuting = false;
- }
- }
- }
- }
- 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, {
- gsub: function(pattern, replacement) {
- var result = '', source = this, match;
- replacement = arguments.callee.prepareReplacement(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;
- },
- sub: function(pattern, replacement, count) {
- replacement = this.gsub.prepareReplacement(replacement);
- count = count === undefined ? 1 : count;
- return this.gsub(pattern, function(match) {
- if (--count < 0) return match[0];
- return replacement(match);
- });
- },
- scan: function(pattern, iterator) {
- this.gsub(pattern, iterator);
- return this;
- },
- truncate: function(length, truncation) {
- length = length || 30;
- truncation = truncation === undefined ? '...' : truncation;
- return this.length > length ?
- this.slice(0, length - truncation.length) + truncation : this;
- },
- strip: function() {
- return this.replace(/^s+/, '').replace(/s+$/, '');
- },
- stripTags: function() {
- return this.replace(/</?[^>]+>/gi, '');
- },
- stripScripts: function() {
- return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
- },
- extractScripts: function() {
- var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
- var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
- return (this.match(matchAll) || []).map(function(scriptTag) {
- return (scriptTag.match(matchOne) || ['', ''])[1];
- });
- },
- evalScripts: function() {
- return this.extractScripts().map(function(script) { return eval(script) });
- },
- escapeHTML: function() {
- var self = arguments.callee;
- self.text.data = this;
- return self.div.innerHTML;
- },
- unescapeHTML: function() {
- var div = document.createElement('div');
- div.innerHTML = this.stripTags();
- return div.childNodes[0] ? (div.childNodes.length > 1 ?
- $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
- div.childNodes[0].nodeValue) : '';
- },
- toQueryParams: function(separator) {
- var match = this.strip().match(/([^?#]*)(#.*)?$/);
- if (!match) return {};
- return match[1].split(separator || '&').inject({}, function(hash, pair) {
- if ((pair = pair.split('='))[0]) {
- var key = decodeURIComponent(pair.shift());
- var value = pair.length > 1 ? pair.join('=') : pair[0];
- if (value != undefined) value = decodeURIComponent(value);
- if (key in hash) {
- if (hash[key].constructor != Array) hash[key] = [hash[key]];
- hash[key].push(value);
- }
- else hash[key] = value;
- }
- return hash;
- });
- },
- toArray: function() {
- return this.split('');
- },
- succ: function() {
- return this.slice(0, this.length - 1) +
- String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
- },
- times: function(count) {
- var result = '';
- for (var i = 0; i < count; i++) result += this;
- return result;
- },
- camelize: function() {
- var parts = this.split('-'), len = parts.length;
- if (len == 1) return parts[0];
- var camelized = this.charAt(0) == '-'
- ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
- : parts[0];
- for (var i = 1; i < len; i++)
- camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
- return camelized;
- },
- capitalize: function() {
- return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
- },
- underscore: function() {
- return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-zd])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
- },
- dasherize: function() {
- return this.gsub(/_/,'-');
- },
- inspect: function(useDoubleQuotes) {
- var escapedString = this.gsub(/[x00-x1f\]/, function(match) {
- var character = String.specialChar[match[0]];
- return character ? character : '\u00' + match[0].charCodeAt().toPaddedString(2, 16);
- });
- if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\"') + '"';
- return "'" + escapedString.replace(/'/g, '\'') + "'";
- },
- toJSON: function() {
- return this.inspect(true);
- },
- unfilterJSON: function(filter) {
- return this.sub(filter || Prototype.JSONFilter, '#{1}');
- },
- evalJSON: function(sanitize) {
- var json = this.unfilterJSON();
- try {
- if (!sanitize || (/^("(\.|[^"\nr])*?"|[,:{}[]0-9.-+Eaeflnr-u nrt])+?$/.test(json)))
- return eval('(' + json + ')');
- } catch (e) { }
- throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
- },
- include: function(pattern) {
- return this.indexOf(pattern) > -1;
- },
- startsWith: function(pattern) {
- return this.indexOf(pattern) === 0;
- },
- endsWith: function(pattern) {
- var d = this.length - pattern.length;
- return d >= 0 && this.lastIndexOf(pattern) === d;
- },
- empty: function() {
- return this == '';
- },
- blank: function() {
- return /^s*$/.test(this);
- }
- });
- if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
- escapeHTML: function() {
- return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
- },
- unescapeHTML: function() {
- return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
- }
- });
- String.prototype.gsub.prepareReplacement = function(replacement) {
- if (typeof replacement == 'function') return replacement;
- var template = new Template(replacement);
- return function(match) { return template.evaluate(match) };
- }
- String.prototype.parseQuery = String.prototype.toQueryParams;
- Object.extend(String.prototype.escapeHTML, {
- div: document.createElement('div'),
- text: document.createTextNode('')
- });
- with (String.prototype.escapeHTML) div.appendChild(text);
- var Template = Class.create();
- Template.Pattern = /(^|.|r|n)(#{(.*?)})/;
- Template.prototype = {
- initialize: function(template, pattern) {
- this.template = template.toString();
- this.pattern = pattern || Template.Pattern;
- },
- evaluate: function(object) {
- return this.template.gsub(this.pattern, function(match) {
- var before = match[1];
- if (before == '\') return match[2];
- return before + String.interpret(object[match[3]]);
- });
- }
- }
- var $break = {}, $continue = new Error('"throw $continue" is deprecated, use "return" instead');
- var Enumerable = {
- each: function(iterator) {
- var index = 0;
- try {
- this._each(function(value) {
- iterator(value, index++);
- });
- } catch (e) {
- if (e != $break) throw e;
- }
- return this;
- },
- eachSlice: function(number, iterator) {
- var index = -number, slices = [], array = this.toArray();
- while ((index += number) < array.length)
- slices.push(array.slice(index, index+number));
- return slices.map(iterator);
- },
- all: function(iterator) {
- var result = true;
- this.each(function(value, index) {
- result = result && !!(iterator || Prototype.K)(value, index);
- if (!result) throw $break;
- });
- return result;
- },
- any: function(iterator) {
- var result = false;
- this.each(function(value, index) {
- if (result = !!(iterator || Prototype.K)(value, index))
- throw $break;
- });
- return result;
- },
- collect: function(iterator) {
- var results = [];
- this.each(function(value, index) {
- results.push((iterator || Prototype.K)(value, index));
- });
- return results;
- },
- detect: function(iterator) {
- var result;
- this.each(function(value, index) {
- if (iterator(value, index)) {
- result = value;
- throw $break;
- }
- });
- return result;
- },
- findAll: function(iterator) {
- var results = [];
- this.each(function(value, index) {
- if (iterator(value, index))
- results.push(value);
- });
- return results;
- },
- grep: function(pattern, iterator) {
- var results = [];
- this.each(function(value, index) {
- var stringValue = value.toString();
- if (stringValue.match(pattern))
- results.push((iterator || Prototype.K)(value, index));
- })
- return results;
- },
- include: function(object) {
- var found = false;
- this.each(function(value) {
- if (value == object) {
- found = true;
- throw $break;
- }
- });
- return found;
- },
- inGroupsOf: function(number, fillWith) {
- fillWith = fillWith === undefined ? null : fillWith;
- return this.eachSlice(number, function(slice) {
- while(slice.length < number) slice.push(fillWith);
- return slice;
- });
- },
- inject: function(memo, iterator) {
- this.each(function(value, index) {
- memo = iterator(memo, value, index);
- });
- return memo;
- },
- invoke: function(method) {
- var args = $A(arguments).slice(1);
- return this.map(function(value) {
- return value[method].apply(value, args);
- });
- },
- max: function(iterator) {
- var result;
- this.each(function(value, index) {
- value = (iterator || Prototype.K)(value, index);
- if (result == undefined || value >= result)
- result = value;
- });
- return result;
- },
- min: function(iterator) {
- var result;
- this.each(function(value, index) {
- value = (iterator || Prototype.K)(value, index);
- if (result == undefined || value < result)
- result = value;
- });
- return result;
- },
- partition: function(iterator) {
- var trues = [], falses = [];
- this.each(function(value, index) {
- ((iterator || Prototype.K)(value, index) ?
- trues : falses).push(value);
- });
- return [trues, falses];
- },
- pluck: function(property) {
- var results = [];
- this.each(function(value, index) {
- results.push(value[property]);
- });
- return results;
- },
- reject: function(iterator) {
- var results = [];
- this.each(function(value, index) {
- if (!iterator(value, index))
- results.push(value);
- });
- return results;
- },
- sortBy: function(iterator) {
- return this.map(function(value, index) {
- return {value: value, criteria: iterator(value, index)};
- }).sort(function(left, right) {
- var a = left.criteria, b = right.criteria;
- return a < b ? -1 : a > b ? 1 : 0;
- }).pluck('value');
- },
- toArray: function() {
- return this.map();
- },
- zip: function() {
- var iterator = Prototype.K, args = $A(arguments);
- if (typeof args.last() == 'function')
- iterator = args.pop();
- var collections = [this].concat(args).map($A);
- return this.map(function(value, index) {
- return iterator(collections.pluck(index));
- });
- },
- size: function() {
- return this.toArray().length;
- },
- inspect: function() {
- return '#<Enumerable:' + this.toArray().inspect() + '>';
- }
- }
- Object.extend(Enumerable, {
- map: Enumerable.collect,
- find: Enumerable.detect,
- select: Enumerable.findAll,
- member: Enumerable.include,
- entries: Enumerable.toArray
- });
- var $A = Array.from = function(iterable) {
- if (!iterable) return [];
- if (iterable.toArray) {
- return iterable.toArray();
- } else {
- var results = [];
- for (var i = 0, length = iterable.length; i < length; i++)
- results.push(iterable[i]);
- return results;
- }
- }
- if (Prototype.Browser.WebKit) {
- $A = Array.from = function(iterable) {
- if (!iterable) return [];
- if (!(typeof iterable == 'function' && iterable == '[object NodeList]') &&
- iterable.toArray) {
- return iterable.toArray();
- } else {
- var results = [];
- for (var i = 0, length = iterable.length; i < length; i++)
- results.push(iterable[i]);
- return results;
- }
- }
- }
- Object.extend(Array.prototype, Enumerable);
- if (!Array.prototype._reverse)
- Array.prototype._reverse = Array.prototype.reverse;
- Object.extend(Array.prototype, {
- _each: function(iterator) {
- for (var i = 0, length = this.length; i < length; i++)
- iterator(this[i]);
- },
- clear: function() {
- this.length = 0;
- return this;
- },
- first: function() {
- return this[0];
- },
- last: function() {
- return this[this.length - 1];
- },
- compact: function() {
- return this.select(function(value) {
- return value != null;
- });
- },
- flatten: function() {
- return this.inject([], function(array, value) {
- return array.concat(value && value.constructor == Array ?
- value.flatten() : [value]);
- });
- },
- without: function() {
- var values = $A(arguments);
- return this.select(function(value) {
- return !values.include(value);
- });
- },
- indexOf: function(object) {
- for (var i = 0, length = this.length; i < length; i++)
- if (this[i] == object) return i;
- return -1;
- },
- reverse: function(inline) {
- return (inline !== false ? this : this.toArray())._reverse();
- },
- reduce: function() {
- return this.length > 1 ? this : this[0];
- },
- uniq: function(sorted) {
- return this.inject([], function(array, value, index) {
- if (0 == index || (sorted ? array.last() != value : !array.include(value)))
- array.push(value);
- return array;
- });
- },
- clone: function() {
- return [].concat(this);
- },
- size: function() {
- return this.length;
- },
- inspect: function() {
- return '[' + this.map(Object.inspect).join(', ') + ']';
- },
- toJSON: function() {
- var results = [];
- this.each(function(object) {
- var value = Object.toJSON(object);
- if (value !== undefined) results.push(value);
- });
- return '[' + results.join(', ') + ']';
- }
- });
- Array.prototype.toArray = Array.prototype.clone;
- function $w(string) {
- string = string.strip();
- return string ? string.split(/s+/) : [];
- }
- if (Prototype.Browser.Opera){
- Array.prototype.concat = function() {
- var array = [];
- for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
- for (var i = 0, length = arguments.length; i < length; i++) {
- if (arguments[i].constructor == Array) {
- for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
- array.push(arguments[i][j]);
- } else {
- array.push(arguments[i]);
- }
- }
- return array;
- }
- }
- var Hash = function(object) {
- if (object instanceof Hash) this.merge(object);
- else Object.extend(this, object || {});
- };
- Object.extend(Hash, {
- toQueryString: function(obj) {
- var parts = [];
- parts.add = arguments.callee.addPair;
- this.prototype._each.call(obj, function(pair) {
- if (!pair.key) return;
- var value = pair.value;
- if (value && typeof value == 'object') {
- if (value.constructor == Array) value.each(function(value) {
- parts.add(pair.key, value);
- });
- return;
- }
- parts.add(pair.key, value);
- });
- return parts.join('&');
- },
- toJSON: function(object) {
- var results = [];
- this.prototype._each.call(object, function(pair) {
- var value = Object.toJSON(pair.value);
- if (value !== undefined) results.push(pair.key.toJSON() + ': ' + value);
- });
- return '{' + results.join(', ') + '}';
- }
- });
- Hash.toQueryString.addPair = function(key, value, prefix) {
- key = encodeURIComponent(key);
- if (value === undefined) this.push(key);
- else this.push(key + '=' + (value == null ? '' : encodeURIComponent(value)));
- }
- Object.extend(Hash.prototype, Enumerable);
- Object.extend(Hash.prototype, {
- _each: function(iterator) {
- for (var key in this) {
- var value = this[key];
- if (value && value == Hash.prototype[key]) continue;
- var pair = [key, value];
- pair.key = key;
- pair.value = value;
- iterator(pair);
- }
- },
- keys: function() {
- return this.pluck('key');
- },
- values: function() {
- return this.pluck('value');
- },
- merge: function(hash) {
- return $H(hash).inject(this, function(mergedHash, pair) {
- mergedHash[pair.key] = pair.value;
- return mergedHash;
- });
- },
- remove: function() {
- var result;
- for(var i = 0, length = arguments.length; i < length; i++) {
- var value = this[arguments[i]];
- if (value !== undefined){
- if (result === undefined) result = value;
- else {
- if (result.constructor != Array) result = [result];
- result.push(value)
- }
- }
- delete this[arguments[i]];
- }
- return result;
- },
- toQueryString: function() {
- return Hash.toQueryString(this);
- },
- inspect: function() {
- return '#<Hash:{' + this.map(function(pair) {
- return pair.map(Object.inspect).join(': ');
- }).join(', ') + '}>';
- },
- toJSON: function() {
- return Hash.toJSON(this);
- }
- });
- function $H(object) {
- if (object instanceof Hash) return object;
- return new Hash(object);
- };
- // Safari iterates over shadowed properties
- if (function() {
- var i = 0, Test = function(value) { this.key = value };
- Test.prototype.key = 'foo';
- for (var property in new Test('bar')) i++;
- return i > 1;
- }()) Hash.prototype._each = function(iterator) {
- var cache = [];
- for (var key in this) {
- var value = this[key];
- if ((value && value == Hash.prototype[key]) || cache.include(key)) continue;
- cache.push(key);
- var pair = [key, value];
- pair.key = key;
- pair.value = value;
- iterator(pair);
- }
- };
- ObjectRange = Class.create();
- Object.extend(ObjectRange.prototype, Enumerable);
- Object.extend(ObjectRange.prototype, {
- initialize: function(start, end, exclusive) {
- this.start = start;
- this.end = end;
- this.exclusive = exclusive;
- },
- _each: function(iterator) {
- var value = this.start;
- while (this.include(value)) {
- iterator(value);
- value = value.succ();
- }
- },
- include: function(value) {
- if (value < this.start)
- return false;
- if (this.exclusive)
- return value < this.end;
- return value <= this.end;
- }
- });
- var $R = function(start, end, exclusive) {
- return new ObjectRange(start, end, exclusive);
- }
- 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 (typeof responder[callback] == 'function') {
- 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 = function() {};
- Ajax.Base.prototype = {
- setOptions: function(options) {
- this.options = {
- method: 'post',
- asynchronous: true,
- contentType: 'application/x-www-form-urlencoded',
- encoding: 'UTF-8',
- parameters: ''
- }
- Object.extend(this.options, options || {});
- this.options.method = this.options.method.toLowerCase();
- if (typeof this.options.parameters == 'string')
- this.options.parameters = this.options.parameters.toQueryParams();
- }
- }
- Ajax.Request = Class.create();
- Ajax.Request.Events =
- ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
- Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
- _complete: false,
- initialize: function(url, options) {
- this.transport = Ajax.getTransport();
- this.setOptions(options);
- this.request(url);
- },
- request: function(url) {
- this.url = url;
- this.method = this.options.method;
- var params = Object.clone(this.options.parameters);
- if (!['get', 'post'].include(this.method)) {
- // simulate other verbs over post
- params['_method'] = this.method;
- this.method = 'post';
- }
- this.parameters = params;
- if (params = Hash.toQueryString(params)) {
- // when GET, append parameters to URL
- if (this.method == 'get')
- this.url += (this.url.include('?') ? '&' : '?') + params;
- else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
- params += '&_=';
- }
- try {
- if (this.options.onCreate) this.options.onCreate(this.transport);
- Ajax.Responders.dispatch('onCreate', this, this.transport);
- this.transport.open(this.method.toUpperCase(), this.url,
- this.options.asynchronous);
- if (this.options.asynchronous)
- setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10);
- 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';
- }
- // user-defined headers
- if (typeof this.options.requestHeaders == 'object') {
- var extras = this.options.requestHeaders;
- if (typeof extras.push == 'function')
- for (var i = 0, length = extras.length; i < length; i += 2)
- headers[extras[i]] = extras[i+1];
- else
- $H(extras).each(function(pair) { headers[pair.key] = pair.value });
- }
- for (var name in headers)
- this.transport.setRequestHeader(name, headers[name]);
- },
- success: function() {
- return !this.transport.status
- || (this.transport.status >= 200 && this.transport.status < 300);
- },
- respondToReadyState: function(readyState) {
- var state = Ajax.Request.Events[readyState];
- var transport = this.transport, json = this.evalJSON();
- if (state == 'Complete') {
- try {
- this._complete = true;
- (this.options['on' + this.transport.status]
- || this.options['on' + (this.success() ? 'Success' : 'Failure')]
- || Prototype.emptyFunction)(transport, json);
- } catch (e) {
- this.dispatchException(e);
- }
- var contentType = this.getHeader('Content-type');
- if (contentType && contentType.strip().
- match(/^(text|application)/(x-)?(java|ecma)script(;.*)?$/i))
- this.evalResponse();
- }
- try {
- (this.options['on' + state] || Prototype.emptyFunction)(transport, json);
- Ajax.Responders.dispatch('on' + state, this, transport, json);
- } catch (e) {
- this.dispatchException(e);
- }
- if (state == 'Complete') {
- // avoid memory leak in MSIE: clean up
- this.transport.onreadystatechange = Prototype.emptyFunction;
- }
- },
- getHeader: function(name) {
- try {
- return this.transport.getResponseHeader(name);
- } catch (e) { return null }
- },
- evalJSON: function() {
- try {
- var json = this.getHeader('X-JSON');
- return json ? json.evalJSON() : 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.Updater = Class.create();
- Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
- initialize: function(container, url, options) {
- this.container = {
- success: (container.success || container),
- failure: (container.failure || (container.success ? null : container))
- }
- this.transport = Ajax.getTransport();
- this.setOptions(options);
- var onComplete = this.options.onComplete || Prototype.emptyFunction;
- this.options.onComplete = (function(transport, param) {
- this.updateContent();
- onComplete(transport, param);
- }).bind(this);
- this.request(url);
- },
- updateContent: function() {
- var receiver = this.container[this.success() ? 'success' : 'failure'];
- var response = this.transport.responseText;
- if (!this.options.evalScripts) response = response.stripScripts();
- if (receiver = $(receiver)) {
- if (this.options.insertion)
- new this.options.insertion(receiver, response);
- else
- receiver.update(response);
- }
- if (this.success()) {
- if (this.onComplete)
- setTimeout(this.onComplete.bind(this), 10);
- }
- }
- });
- Ajax.PeriodicalUpdater = Class.create();
- Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
- initialize: function(container, url, options) {
- this.setOptions(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(request) {
- if (this.options.decay) {
- this.decay = (request.responseText == this.lastText ?
- this.decay * this.options.decay : 1);
- this.lastText = request.responseText;
- }
- this.timer = setTimeout(this.onTimerEvent.bind(this),
- this.decay * this.frequency * 1000);
- },
- onTimerEvent: function() {
- this.updater = new Ajax.Updater(this.container, this.url, this.options);
- }
- });
- function $(element) {
- if (arguments.length > 1) {
- for (var i = 0, elements = [], length = arguments.length; i < length; i++)
- elements.push($(arguments[i]));
- return elements;
- }
- if (typeof element == 'string')
- element = document.getElementById(element);
- return Element.extend(element);
- }
- if (Prototype.BrowserFeatures.XPath) {
- document._getElementsByXPath = function(expression, parentElement) {
- var results = [];
- var query = document.evaluate(expression, $(parentElement) || document,
- null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
- for (var i = 0, length = query.snapshotLength; i < length; i++)
- results.push(query.snapshotItem(i));
- return results;
- };
- document.getElementsByClassName = function(className, parentElement) {
- var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
- return document._getElementsByXPath(q, parentElement);
- }
- } else document.getElementsByClassName = function(className, parentElement) {
- var children = ($(parentElement) || document.body).getElementsByTagName('*');
- var elements = [], child;
- for (var i = 0, length = children.length; i < length; i++) {
- child = children[i];
- if (Element.hasClassName(child, className))
- elements.push(Element.extend(child));
- }
- return elements;
- };
- /*--------------------------------------------------------------------------*/
- if (!window.Element) var Element = {};
- Element.extend = function(element) {
- var F = Prototype.BrowserFeatures;
- if (!element || !element.tagName || element.nodeType == 3 ||
- element._extended || F.SpecificElementExtensions || element == window)
- return element;
- var methods = {}, tagName = element.tagName, cache = Element.extend.cache,
- T = Element.Methods.ByTag;
- // extend methods for all tags (Safari doesn't need this)
- if (!F.ElementExtensions) {
- Object.extend(methods, Element.Methods),
- Object.extend(methods, Element.Methods.Simulated);
- }
- // extend methods for specific tags
- if (T[tagName]) Object.extend(methods, T[tagName]);
- for (var property in methods) {
- var value = methods[property];
- if (typeof value == 'function' && !(property in element))
- element[property] = cache.findOrStore(value);
- }
- element._extended = Prototype.emptyFunction;
- return element;
- };
- Element.extend.cache = {
- findOrStore: function(value) {
- return this[value] = this[value] || function() {
- return value.apply(null, [this].concat($A(arguments)));
- }
- }
- };
- 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).style.display = 'none';
- return element;
- },
- show: function(element) {
- $(element).style.display = '';
- return element;
- },
- remove: function(element) {
- element = $(element);
- element.parentNode.removeChild(element);
- return element;
- },
- update: function(element, html) {
- html = typeof html == 'undefined' ? '' : html.toString();
- $(element).innerHTML = html.stripScripts();
- setTimeout(function() {html.evalScripts()}, 10);
- return element;
- },
- replace: function(element, html) {
- element = $(element);
- html = typeof html == 'undefined' ? '' : html.toString();
- if (element.outerHTML) {
- element.outerHTML = html.stripScripts();
- } else {
- var range = element.ownerDocument.createRange();
- range.selectNodeContents(element);
- element.parentNode.replaceChild(
- range.createContextualFragment(html.stripScripts()), element);
- }
- setTimeout(function() {html.evalScripts()}, 10);
- return element;
- },
- 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();
- var value = (element[property] || '').toString();
- if (value) result += ' ' + attribute + '=' + value.inspect(true);
- });
- return result + '>';
- },
- recursivelyCollect: function(element, property) {
- element = $(element);
- var elements = [];
- while (element = element[property])
- if (element.nodeType == 1)
- elements.push(Element.extend(element));
- return elements;
- },
- ancestors: function(element) {
- return $(element).recursivelyCollect('parentNode');
- },
- descendants: function(element) {
- return $A($(element).getElementsByTagName('*')).each(Element.extend);
- },
- firstDescendant: function(element) {
- element = $(element).firstChild;
- while (element && element.nodeType != 1) element = element.nextSibling;
- return $(element);
- },
- immediateDescendants: function(element) {
- if (!(element = $(element).firstChild)) return [];
- while (element && element.nodeType != 1) element = element.nextSibling;
- if (element) return [element].concat($(element).nextSiblings());
- return [];
- },
- previousSiblings: function(element) {
- return $(element).recursivelyCollect('previousSibling');
- },
- nextSiblings: function(element) {
- return $(element).recursivelyCollect('nextSibling');
- },
- siblings: function(element) {
- element = $(element);
- return element.previousSiblings().reverse().concat(element.nextSiblings());
- },
- match: function(element, selector) {
- if (typeof selector == 'string')
- selector = new Selector(selector);
- return selector.match($(element));
- },
- up: function(element, expression, index) {
- element = $(element);
- if (arguments.length == 1) return $(element.parentNode);
- var ancestors = element.ancestors();
- return expression ? Selector.findElement(ancestors, expression, index) :
- ancestors[index || 0];
- },
- down: function(element, expression, index) {
- element = $(element);
- if (arguments.length == 1) return element.firstDescendant();
- var descendants = element.descendants();
- return expression ? Selector.findElement(descendants, expression, index) :
- descendants[index || 0];
- },
- previous: function(element, expression, index) {
- element = $(element);
- if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
- var previousSiblings = element.previousSiblings();
- return expression ? Selector.findElement(previousSiblings, expression, index) :
- previousSiblings[index || 0];
- },
- next: function(element, expression, index) {
- element = $(element);
- if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
- var nextSiblings = element.nextSiblings();
- return expression ? Selector.findElement(nextSiblings, expression, index) :
- nextSiblings[index || 0];
- },
- getElementsBySelector: function() {
- var args = $A(arguments), element = $(args.shift());
- return Selector.findChildElements(element, args);
- },
- getElementsByClassName: function(element, className) {
- return document.getElementsByClassName(className, element);
- },
- readAttribute: function(element, name) {
- element = $(element);
- if (Prototype.Browser.IE) {
- if (!element.attributes) return null;
- var t = Element._attributeTranslations;
- if (t.values[name]) return t.values[name](element, name);
- if (t.names[name]) name = t.names[name];
- var attribute = element.attributes[name];
- return attribute ? attribute.nodeValue : null;
- }
- return element.getAttribute(name);
- },
- getHeight: function(element) {
- return $(element).getDimensions().height;
- },
- getWidth: function(element) {
- return $(element).getDimensions().width;
- },
- classNames: function(element) {
- return new Element.ClassNames(element);
- },
- hasClassName: function(element, className) {
- if (!(element = $(element))) return;
- var elementClassName = element.className;
- if (elementClassName.length == 0) return false;
- if (elementClassName == className ||
- elementClassName.match(new RegExp("(^|\s)" + className + "(\s|$)")))
- return true;
- return false;
- },
- addClassName: function(element, className) {
- if (!(element = $(element))) return;
- Element.classNames(element).add(className);
- return element;
- },
- removeClassName: function(element, className) {
- if (!(element = $(element))) return;
- Element.classNames(element).remove(className);
- return element;
- },
- toggleClassName: function(element, className) {
- if (!(element = $(element))) return;
- Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className);
- return element;
- },
- observe: function() {
- Event.observe.apply(Event, arguments);
- return $A(arguments).first();
- },
- stopObserving: function() {
- Event.stopObserving.apply(Event, arguments);
- return $A(arguments).first();
- },
- // removes whitespace-only text node children
- 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);
- while (element = element.parentNode)
- if (element == ancestor) return true;
- return false;
- },
- scrollTo: function(element) {
- element = $(element);
- var pos = Position.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) {
- 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, camelized) {
- element = $(element);
- var elementStyle = element.style;
- for (var property in styles)
- if (property == 'opacity') element.setOpacity(styles[property])
- else
- elementStyle[(property == 'float' || property == 'cssFloat') ?
- (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') :
- (camelized ? property : property.camelize())] = styles[property];
- return element;
- },
- setOpacity: function(element, value) {
- element = $(element);
- element.style.opacity = (value == 1 || value === '') ? '' :
- (value < 0.00001) ? 0 : value;
- return element;
- },
- getDimensions: function(element) {
- element = $(element);
- var display = $(element).getStyle('display');
- if (display != 'none' && display != null) // Safari bug
- return {width: element.offsetWidth, height: element.offsetHeight};
- // All *Width and *Height properties give 0 on elements with display none,
- // so enable the element temporarily
- var els = element.style;
- var originalVisibility = els.visibility;
- var originalPosition = els.position;
- var originalDisplay = els.display;
- els.visibility = 'hidden';
- els.position = 'absolute';
- els.display = 'block';
- var originalWidth = element.clientWidth;
- var originalHeight = element.clientHeight;
- els.display = originalDisplay;
- els.position = originalPosition;
- els.visibility = originalVisibility;
- return {width: originalWidth, height: originalHeight};
- },
- makePositioned: function(element) {
- element = $(element);
- var pos = Element.getStyle(element, 'position');
- if (pos == 'static' || !pos) {
- element._madePositioned = true;
- element.style.position = 'relative';
- // Opera returns the offset relative to the positioning context, when an
- // element is position relative but top and left have not been defined
- if (window.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.style.overflow || 'auto';
- if ((Element.getStyle(element, 'overflow') || 'visible') != '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;
- }
- };
- Object.extend(Element.Methods, {
- childOf: Element.Methods.descendantOf,
- childElements: Element.Methods.immediateDescendants
- });
- if (Prototype.Browser.Opera) {
- Element.Methods._getStyle = Element.Methods.getStyle;
- Element.Methods.getStyle = function(element, style) {
- switch(style) {
- case 'left':
- case 'top':
- case 'right':
- case 'bottom':
- if (Element._getStyle(element, 'position') == 'static') return null;
- default: return Element._getStyle(element, style);
- }
- };
- }
- 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) {
- element = $(element);
- var filter = element.getStyle('filter'), style = element.style;
- if (value == 1 || value === '') {
- style.filter = filter.replace(/alpha([^)]*)/gi,'');
- return element;
- } else if (value < 0.00001) value = 0;
- style.filter = filter.replace(/alpha([^)]*)/gi, '') +
- 'alpha(opacity=' + (value * 100) + ')';
- return element;
- };
- // IE is missing .innerHTML support for TABLE-related elements
- Element.Methods.update = function(element, html) {
- element = $(element);
- html = typeof html == 'undefined' ? '' : html.toString();
- var tagName = element.tagName.toUpperCase();
- if (['THEAD','TBODY','TR','TD'].include(tagName)) {
- var div = document.createElement('div');
- switch (tagName) {
- case 'THEAD':
- case 'TBODY':
- div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>';
- depth = 2;
- break;
- case 'TR':
- div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>';
- depth = 3;
- break;
- case 'TD':
- div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>';
- depth = 4;
- }
- $A(element.childNodes).each(function(node) { element.removeChild(node) });
- depth.times(function() { div = div.firstChild });
- $A(div.childNodes).each(function(node) { element.appendChild(node) });
- } else {
- element.innerHTML = html.stripScripts();
- }
- setTimeout(function() { html.evalScripts() }, 10);
- return element;
- }
- }
- else if (Prototype.Browser.Gecko) {
- Element.Methods.setOpacity = function(element, value) {
- element = $(element);
- element.style.opacity = (value == 1) ? 0.999999 :
- (value === '') ? '' : (value < 0.00001) ? 0 : value;
- return element;
- };
- }
- Element._attributeTranslations = {
- names: {
- colspan: "colSpan",
- rowspan: "rowSpan",
- valign: "vAlign",
- datetime: "dateTime",
- accesskey: "accessKey",
- tabindex: "tabIndex",
- enctype: "encType",
- maxlength: "maxLength",
- readonly: "readOnly",
- longdesc: "longDesc"
- },
- values: {
- _getAttr: function(element, attribute) {
- return element.getAttribute(attribute, 2);
- },
- _flag: function(element, attribute) {
- return $(element).hasAttribute(attribute) ? attribute : null;
- },
- style: function(element) {
- return element.style.cssText.toLowerCase();
- },
- title: function(element) {
- var node = element.getAttributeNode('title');
- return node.specified ? node.nodeValue : null;
- }
- }
- };
- (function() {
- Object.extend(this, {
- href: this._getAttr,
- src: this._getAttr,
- type: this._getAttr,
- disabled: this._flag,
- checked: this._flag,
- readonly: this._flag,
- multiple: this._flag
- });
- }).call(Element._attributeTranslations.values);
- Element.Methods.Simulated = {
- hasAttribute: function(element, attribute) {
- var t = Element._attributeTranslations, node;
- attribute = t.names[attribute] || attribute;
- node = $(element).getAttributeNode(attribute);
- return node && node.specified;
- }
- };
- Element.Methods.ByTag = {};
- Object.extend(Element, Element.Methods);
- if (!Prototype.BrowserFeatures.ElementExtensions &&
- document.createElement('div').__proto__) {
- window.HTMLElement = {};
- window.HTMLElement.prototype = document.createElement('div').__proto__;
- Prototype.BrowserFeatures.ElementExtensions = true;
- }
- Element.hasAttribute = function(element, attribute) {
- if (element.hasAttribute) return element.hasAttribute(attribute);
- return Element.Methods.Simulated.hasAttribute(element, attribute);
- };
- 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)
- });
- }
- if (arguments.length == 2) {
- var tagName = methods;
- methods = arguments[1];
- }
- if (!tagName) Object.extend(Element.Methods, methods || {});
- else {
- if (tagName.constructor == Array) 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;
- var cache = Element.extend.cache;
- for (var property in methods) {
- var value = methods[property];
- if (!onlyIfAbsent || !(property in destination))
- destination[property] = cache.findOrStore(value);
- }
- }
- 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];
- window[klass] = {};
- window[klass].prototype = document.createElement(tagName).__proto__;
- return window[klass];
- }
- if (F.ElementExtensions) {
- copy(Element.Methods, HTMLElement.prototype);
- copy(Element.Methods.Simulated, HTMLElement.prototype, true);
- }
- if (F.SpecificElementExtensions) {
- for (var tag in Element.Methods.ByTag) {
- var klass = findDOMClass(tag);
- if (typeof klass == "undefined") continue;
- copy(T[tag], klass.prototype);
- }
- }
- Object.extend(Element, Element.Methods);
- delete Element.ByTag;
- };
- var Toggle = { display: Element.toggle };
- /*--------------------------------------------------------------------------*/
- Abstract.Insertion = function(adjacency) {
- this.adjacency = adjacency;
- }
- Abstract.Insertion.prototype = {
- initialize: function(element, content) {
- this.element = $(element);
- this.content = content.stripScripts();
- if (this.adjacency && this.element.insertAdjacentHTML) {
- try {
- this.element.insertAdjacentHTML(this.adjacency, this.content);
- } catch (e) {
- var tagName = this.element.tagName.toUpperCase();
- if (['TBODY', 'TR'].include(tagName)) {
- this.insertContent(this.contentFromAnonymousTable());
- } else {
- throw e;
- }
- }
- } else {
- this.range = this.element.ownerDocument.createRange();
- if (this.initializeRange) this.initializeRange();
- this.insertContent([this.range.createContextualFragment(this.content)]);
- }
- setTimeout(function() {content.evalScripts()}, 10);
- },
- contentFromAnonymousTable: function() {
- var div = document.createElement('div');
- div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
- return $A(div.childNodes[0].childNodes[0].childNodes);
- }
- }
- var Insertion = new Object();
- Insertion.Before = Class.create();
- Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
- initializeRange: function() {
- this.range.setStartBefore(this.element);
- },
- insertContent: function(fragments) {
- fragments.each((function(fragment) {
- this.element.parentNode.insertBefore(fragment, this.element);
- }).bind(this));
- }
- });
- Insertion.Top = Class.create();
- Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
- initializeRange: function() {
- this.range.selectNodeContents(this.element);
- this.range.collapse(true);
- },
- insertContent: function(fragments) {
- fragments.reverse(false).each((function(fragment) {
- this.element.insertBefore(fragment, this.element.firstChild);
- }).bind(this));
- }
- });
- Insertion.Bottom = Class.create();
- Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
- initializeRange: function() {
- this.range.selectNodeContents(this.element);
- this.range.collapse(this.element);
- },
- insertContent: function(fragments) {
- fragments.each((function(fragment) {
- this.element.appendChild(fragment);
- }).bind(this));
- }
- });
- Insertion.After = Class.create();
- Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
- initializeRange: function() {
- this.range.setStartAfter(this.element);
- },
- insertContent: function(fragments) {
- fragments.each((function(fragment) {
- this.element.parentNode.insertBefore(fragment,
- this.element.nextSibling);
- }).bind(this));
- }
- });
- /*--------------------------------------------------------------------------*/
- 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);
- /* Portions of the Selector class are derived from Jack Slocum’s DomQuery,
- * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
- * license. Please see http://www.yui-ext.com/ for more information. */
- var Selector = Class.create();
- Selector.prototype = {
- initialize: function(expression) {
- this.expression = expression.strip();
- this.compileMatcher();
- },
- compileMatcher: function() {
- // Selectors with namespaced attributes can't use the XPath version
- if (Prototype.BrowserFeatures.XPath && !(/[[w-]*?:/).test(this.expression))
- return this.compileXPathMatcher();
- var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
- c = Selector.criteria, le, p, m;
- if (Selector._cache[e]) {
- this.matcher = Selector._cache[e]; return;
- }
- this.matcher = ["this.matcher = function(root) {",
- "var r = root, h = Selector.handlers, c = false, n;"];
- while (e && le != e && (/S/).test(e)) {
- le = e;
- for (var i in ps) {
- p = ps[i];
- if (m = e.match(p)) {
- this.matcher.push(typeof c[i] == 'function' ? c[i](m) :
- new Template(c[i]).evaluate(m));
- e = e.replace(m[0], '');
- break;
- }
- }
- }
- this.matcher.push("return h.unique(n);n}");
- eval(this.matcher.join('n'));
- Selector._cache[this.expression] = this.matcher;
- },
- compileXPathMatcher: function() {
- var e = this.expression, ps = Selector.patterns,
- x = Selector.xpath, le, m;
- if (Selector._cache[e]) {
- this.xpath = Selector._cache[e]; return;
- }
- this.matcher = ['.//*'];
- while (e && le != e && (/S/).test(e)) {
- le = e;
- for (var i in ps) {
- if (m = e.match(ps[i])) {
- this.matcher.push(typeof x[i] == 'function' ? x[i](m) :
- new Template(x[i]).evaluate(m));
- e = e.replace(m[0], '');
- break;
- }
- }
- }
- this.xpath = this.matcher.join('');
- Selector._cache[this.expression] = this.xpath;
- },
- findElements: function(root) {
- root = root || document;
- if (this.xpath) return document._getElementsByXPath(this.xpath, root);
- return this.matcher(root);
- },
- match: function(element) {
- return this.findElements(document).include(element);
- },
- toString: function() {
- return this.expression;
- },
- inspect: function() {
- return "#<Selector:" + this.expression.inspect() + ">";
- }
- };
- Object.extend(Selector, {
- _cache: {},
- xpath: {
- descendant: "//*",
- child: "/*",
- adjacent: "/following-sibling::*[1]",
- laterSibling: '/following-sibling::*',
- tagName: function(m) {
- if (m[1] == '*') return '';
- return "[local-name()='" + m[1].toLowerCase() +
- "' or local-name()='" + m[1].toUpperCase() + "']";
- },
- className: "[contains(concat(' ', @class, ' '), ' #{1} ')]",
- id: "[@id='#{1}']",
- attrPresence: "[@#{1}]",
- attr: function(m) {
- m[3] = m[5] || m[6];
- return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
- },
- pseudo: function(m) {
- var h = Selector.xpath.pseudos[m[1]];
- if (!h) return '';
- if (typeof h === 'function') return h(m);
- return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
- },
- operators: {
- '=': "[@#{1}='#{3}']",
- '!=': "[@#{1}!='#{3}']",
- '^=': "[starts-with(@#{1}, '#{3}')]",
- '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
- '*=': "[contains(@#{1}, '#{3}')]",
- '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
- '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
- },
- pseudos: {
- 'first-child': '[not(preceding-sibling::*)]',
- 'last-child': '[not(following-sibling::*)]',
- 'only-child': '[not(preceding-sibling::* or following-sibling::*)]',
- 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' trn', '') = '')]",
- 'checked': "[@checked]",
- 'disabled': "[@disabled]",
- 'enabled': "[not(@disabled)]",
- 'not': function(m) {
- var e = m[6], p = Selector.patterns,
- x = Selector.xpath, le, m, v;
- var exclusion = [];
- while (e && le != e && (/S/).test(e)) {
- le = e;
- for (var i in p) {
- if (m = e.match(p[i])) {
- v = typeof x[i] == 'function' ? x[i](m) : new Template(x[i]).evaluate(m);
- exclusion.push("(" + v.substring(1, v.length - 1) + ")");
- e = e.replace(m[0], '');
- break;
- }
- }
- }
- return "[not(" + exclusion.join(" and ") + ")]";
- },
- 'nth-child': function(m) {
- return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
- },
- 'nth-last-child': function(m) {
- return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
- },
- 'nth-of-type': function(m) {
- return Selector.xpath.pseudos.nth("position() ", m);
- },
- 'nth-last-of-type': function(m) {
- return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
- },
- 'first-of-type': function(m) {
- m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
- },
- 'last-of-type': function(m) {
- m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
- },
- 'only-of-type': function(m) {
- var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
- },
- nth: function(fragment, m) {
- var mm, formula = m[6], predicate;
- if (formula == 'even') formula = '2n+0';
- if (formula == 'odd') formula = '2n+1';
- if (mm = formula.match(/^(d+)$/)) // digit only
- return '[' + fragment + "= " + mm[1] + ']';
- if (mm = formula.match(/^(-?d*)?n(([+-])(d+))?/)) { // an+b
- if (mm[1] == "-") mm[1] = -1;
- var a = mm[1] ? Number(mm[1]) : 1;
- var b = mm[2] ? Number(mm[2]) : 0;
- predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
- "((#{fragment} - #{b}) div #{a} >= 0)]";
- return new Template(predicate).evaluate({
- fragment: fragment, a: a, b: b });
- }
- }
- }
- },
- criteria: {
- tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;',
- className: 'n = h.className(n, r, "#{1}", c); c = false;',
- id: 'n = h.id(n, r, "#{1}", c); c = false;',
- attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;',
- attr: function(m) {
- m[3] = (m[5] || m[6]);
- return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m);
- },
- pseudo: function(m) {
- if (m[6]) m[6] = m[6].replace(/"/g, '\"');
- return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
- },
- descendant: 'c = "descendant";',
- child: 'c = "child";',
- adjacent: 'c = "adjacent";',
- laterSibling: 'c = "laterSibling";'
- },
- patterns: {
- // combinators must be listed first
- // (and descendant needs to be last combinator)
- laterSibling: /^s*~s*/,
- child: /^s*>s*/,
- adjacent: /^s*+s*/,
- descendant: /^s/,
- // selectors follow
- tagName: /^s*(*|[w-]+)(b|$)?/,
- id: /^#([w-*]+)(b|$)/,
- className: /^.([w-*]+)(b|$)/,
- pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(((.*?)))?(b|$|s|(?=:))/,
- attrPresence: /^[([w]+)]/,
- attr: /[((?:[w-]*:)?[w-]+)s*(?:([!^$*~|]?=)s*((['"])([^]]*?)4|([^'"][^]]*?)))?]/
- },
- handlers: {
- // UTILITY FUNCTIONS
- // joins two collections
- concat: function(a, b) {
- for (var i = 0, node; node = b[i]; i++)
- a.push(node);
- return a;
- },
- // marks an array of nodes for counting
- mark: function(nodes) {
- for (var i = 0, node; node = nodes[i]; i++)
- node._counted = true;
- return nodes;
- },
- unmark: function(nodes) {
- for (var i = 0, node; node = nodes[i]; i++)
- node._counted = undefined;
- return nodes;
- },
- // mark each child node with its position (for nth calls)
- // "ofType" flag indicates whether we're indexing for nth-of-type
- // rather than nth-child
- index: function(parentNode, reverse, ofType) {
- parentNode._counted = true;
- if (reverse) {
- for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
- node = nodes[i];
- if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
- }
- } else {
- for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
- if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
- }
- },
- // filters out duplicates and extends all nodes
- unique: function(nodes) {
- if (nodes.length == 0) return nodes;
- var results = [], n;
- for (var i = 0, l = nodes.length; i < l; i++)
- if (!(n = nodes[i])._counted) {
- n._counted = true;
- results.push(Element.extend(n));
- }
- return Selector.handlers.unmark(results);
- },
- // COMBINATOR FUNCTIONS
- descendant: function(nodes) {
- var h = Selector.handlers;
- for (var i = 0, results = [], node; node = nodes[i]; i++)
- h.concat(results, node.getElementsByTagName('*'));
- return results;
- },
- child: function(nodes) {
- var h = Selector.handlers;
- for (var i = 0, results = [], node; node = nodes[i]; i++) {
- for (var j = 0, children = [], child; child = node.childNodes[j]; j++)
- if (child.nodeType == 1 && child.tagName != '!') results.push(child);
- }
- return results;
- },
- adjacent: function(nodes) {
- for (var i = 0, results = [], node; node = nodes[i]; i++) {
- var next = this.nextElementSibling(node);
- if (next) results.push(next);
- }
- return results;
- },
- laterSibling: function(nodes) {
- var h = Selector.handlers;
- for (var i = 0, results = [], node; node = nodes[i]; i++)
- h.concat(results, Element.nextSiblings(node));
- return results;
- },
- nextElementSibling: function(node) {
- while (node = node.nextSibling)
- if (node.nodeType == 1) return node;
- return null;
- },
- previousElementSibling: function(node) {
- while (node = node.previousSibling)
- if (node.nodeType == 1) return node;
- return null;
- },
- // TOKEN FUNCTIONS
- tagName: function(nodes, root, tagName, combinator) {
- tagName = tagName.toUpperCase();
- var results = [], h = Selector.handlers;
- if (nodes) {
- if (combinator) {
- // fastlane for ordinary descendant combinators
- if (combinator == "descendant") {
- for (var i = 0, node; node = nodes[i]; i++)
- h.concat(results, node.getElementsByTagName(tagName));
- return results;
- } else nodes = this[combinator](nodes);
- if (tagName == "*") return nodes;
- }
- for (var i = 0, node; node = nodes[i]; i++)
- if (node.tagName.toUpperCase() == tagName) results.push(node);
- return results;
- } else return root.getElementsByTagName(tagName);
- },
- id: function(nodes, root, id, combinator) {
- var targetNode = $(id), h = Selector.handlers;
- if (!nodes && root == document) return targetNode ? [targetNode] : [];
- if (nodes) {
- if (combinator) {
- if (combinator == 'child') {
- for (var i = 0, node; node = nodes[i]; i++)
- if (targetNode.parentNode == node) return [targetNode];
- } else if (combinator == 'descendant') {
- for (var i = 0, node; node = nodes[i]; i++)
- if (Element.descendantOf(targetNode, node)) return [targetNode];
- } else if (combinator == 'adjacent') {
- for (var i = 0, node; node = nodes[i]; i++)
- if (Selector.handlers.previousElementSibling(targetNode) == node)
- return [targetNode];
- } else nodes = h[combinator](nodes);
- }
- for (var i = 0, node; node = nodes[i]; i++)
- if (node == targetNode) return [targetNode];
- return [];
- }
- return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
- },
- className: function(nodes, root, className, combinator) {
- if (nodes && combinator) nodes = this[combinator](nodes);
- return Selector.handlers.byClassName(nodes, root, className);
- },
- byClassName: function(nodes, root, className) {
- if (!nodes) nodes = Selector.handlers.descendant([root]);
- var needle = ' ' + className + ' ';
- for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
- nodeClassName = node.className;
- if (nodeClassName.length == 0) continue;
- if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
- results.push(node);
- }
- return results;
- },
- attrPresence: function(nodes, root, attr) {
- var results = [];
- for (var i = 0, node; node = nodes[i]; i++)
- if (Element.hasAttribute(node, attr)) results.push(node);
- return results;
- },
- attr: function(nodes, root, attr, value, operator) {
- if (!nodes) nodes = root.getElementsByTagName("*");
- var handler = Selector.operators[operator], results = [];
- for (var i = 0, node; node = nodes[i]; i++) {
- var nodeValue = Element.readAttribute(node, attr);
- if (nodeValue === null) continue;
- if (handler(nodeValue, value)) results.push(node);
- }
- return results;
- },
- pseudo: function(nodes, name, value, root, combinator) {
- if (nodes && combinator) nodes = this[combinator](nodes);
- if (!nodes) nodes = root.getElementsByTagName("*");
- return Selector.pseudos[name](nodes, value, root);
- }
- },
- pseudos: {
- 'first-child': function(nodes, value, root) {
- for (var i = 0, results = [], node; node = nodes[i]; i++) {
- if (Selector.handlers.previousElementSibling(node)) continue;
- results.push(node);
- }
- return results;
- },
- 'last-child': function(nodes, value, root) {
- for (var i = 0, results = [], node; node = nodes[i]; i++) {
- if (Selector.handlers.nextElementSibling(node)) continue;
- results.push(node);
- }
- return results;
- },
- 'only-child': function(nodes, value, root) {
- var h = Selector.handlers;
- for (var i = 0, results = [], node; node = nodes[i]; i++)
- if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
- results.push(node);
- return results;
- },
- 'nth-child': function(nodes, formula, root) {
- return Selector.pseudos.nth(nodes, formula, root);
- },
- 'nth-last-child': function(nodes, formula, root) {
- return Selector.pseudos.nth(nodes, formula, root, true);
- },
- 'nth-of-type': function(nodes, formula, root) {
- return Selector.pseudos.nth(nodes, formula, root, false, true);
- },
- 'nth-last-of-type': function(nodes, formula, root) {
- return Selector.pseudos.nth(nodes, formula, root, true, true);
- },
- 'first-of-type': function(nodes, formula, root) {
- return Selector.pseudos.nth(nodes, "1", root, false, true);
- },
- 'last-of-type': function(nodes, formula, root) {
- return Selector.pseudos.nth(nodes, "1", root, true, true);
- },
- 'only-of-type': function(nodes, formula, root) {
- var p = Selector.pseudos;
- return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
- },
- // handles the an+b logic
- getIndices: function(a, b, total) {
- if (a == 0) return b > 0 ? [b] : [];
- return $R(1, total).inject([], function(memo, i) {
- if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
- return memo;
- });
- },
- // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
- nth: function(nodes, formula, root, reverse, ofType) {
- if (nodes.length == 0) return [];
- if (formula == 'even') formula = '2n+0';
- if (formula == 'odd') formula = '2n+1';
- var h = Selector.handlers, results = [], indexed = [], m;
- h.mark(nodes);
- for (var i = 0, node; node = nodes[i]; i++) {
- if (!node.parentNode._counted) {
- h.index(node.parentNode, reverse, ofType);
- indexed.push(node.parentNode);
- }
- }
- if (formula.match(/^d+$/)) { // just a number
- formula = Number(formula);
- for (var i = 0, node; node = nodes[i]; i++)
- if (node.nodeIndex == formula) results.push(node);
- } else if (m = formula.match(/^(-?d*)?n(([+-])(d+))?/)) { // an+b
- if (m[1] == "-") m[1] = -1;
- var a = m[1] ? Number(m[1]) : 1;
- var b = m[2] ? Number(m[2]) : 0;
- var indices = Selector.pseudos.getIndices(a, b, nodes.length);
- for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
- for (var j = 0; j < l; j++)
- if (node.nodeIndex == indices[j]) results.push(node);
- }
- }
- h.unmark(nodes);
- h.unmark(indexed);
- return results;
- },
- 'empty': function(nodes, value, root) {
- for (var i = 0, results = [], node; node = nodes[i]; i++) {
- // IE treats comments as element nodes
- if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^s*$/))) continue;
- results.push(node);
- }
- return results;
- },
- 'not': function(nodes, selector, root) {
- var h = Selector.handlers, selectorType, m;
- var exclusions = new Selector(selector).findElements(root);
- h.mark(exclusions);
- for (var i = 0, results = [], node; node = nodes[i]; i++)
- if (!node._counted) results.push(node);
- h.unmark(exclusions);
- return results;
- },
- 'enabled': function(nodes, value, root) {
- for (var i = 0, results = [], node; node = nodes[i]; i++)
- if (!node.disabled) results.push(node);
- return results;
- },
- 'disabled': function(nodes, value, root) {
- for (var i = 0, results = [], node; node = nodes[i]; i++)
- if (node.disabled) results.push(node);
- return results;
- },
- 'checked': function(nodes, value, root) {
- for (var i = 0, results = [], node; node = nodes[i]; i++)
- if (node.checked) results.push(node);
- return results;
- }
- },
- operators: {
- '=': function(nv, v) { return nv == v; },
- '!=': function(nv, v) { return nv != v; },
- '^=': function(nv, v) { return nv.startsWith(v); },
- '$=': function(nv, v) { return nv.endsWith(v); },
- '*=': function(nv, v) { return nv.include(v); },
- '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
- '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
- },
- matchElements: function(elements, expression) {
- var matches = new Selector(expression).findElements(), h = Selector.handlers;
- h.mark(matches);
- for (var i = 0, results = [], element; element = elements[i]; i++)
- if (element._counted) results.push(element);
- h.unmark(matches);
- return results;
- },
- findElement: function(elements, expression, index) {
- if (typeof expression == 'number') {
- index = expression; expression = false;
- }
- return Selector.matchElements(elements, expression || '*')[index || 0];
- },
- findChildElements: function(element, expressions) {
- var exprs = expressions.join(','), expressions = [];
- exprs.scan(/(([w#:.~>+()s-]+|*|[.*?])+)s*(,|$)/, function(m) {
- expressions.push(m[1].strip());
- });
- var results = [], h = Selector.handlers;
- for (var i = 0, l = expressions.length, selector; i < l; i++) {
- selector = new Selector(expressions[i].strip());
- h.concat(results, selector.findElements(element));
- }
- return (l > 1) ? h.unique(results) : results;
- }
- });
- function $$() {
- return Selector.findChildElements(document, $A(arguments));
- }
- var Form = {
- reset: function(form) {
- $(form).reset();
- return form;
- },
- serializeElements: function(elements, getHash) {
- var data = elements.inject({}, function(result, element) {
- if (!element.disabled && element.name) {
- var key = element.name, value = $(element).getValue();
- if (value != null) {
- if (key in result) {
- if (result[key].constructor != Array) result[key] = [result[key]];
- result[key].push(value);
- }
- else result[key] = value;
- }
- }
- return result;
- });
- return getHash ? data : Hash.toQueryString(data);
- }
- };
- Form.Methods = {
- serialize: function(form, getHash) {
- return Form.serializeElements(Form.getElements(form), getHash);
- },
- getElements: function(form) {
- return $A($(form).getElementsByTagName('*')).inject([],
- function(elements, child) {
- if (Form.Element.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) {
- return $(form).getElements().find(function(element) {
- return element.type != 'hidden' && !element.disabled &&
- ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
- });
- },
- focusFirstElement: function(form) {
- form = $(form);
- form.findFirstElement().activate();
- return form;
- },
- request: function(form, options) {
- form = $(form), options = Object.clone(options || {});
- var params = options.parameters;
- options.parameters = form.serialize(true);
- if (params) {
- if (typeof params == 'string') params = params.toQueryParams();
- Object.extend(options.parameters, params);
- }
- if (form.hasAttribute('method') && !options.method)
- options.method = form.method;
- return new Ajax.Request(form.readAttribute('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 Hash.toQueryString(pair);
- }
- }
- return '';
- },
- getValue: function(element) {
- element = $(element);
- var method = element.tagName.toLowerCase();
- return Form.Element.Serializers[method](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'].include(element.type)))
- element.select();
- } catch (e) {}
- return element;
- },
- disable: function(element) {
- element = $(element);
- element.blur();
- 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 = {
- input: function(element) {
- switch (element.type.toLowerCase()) {
- case 'checkbox':
- case 'radio':
- return Form.Element.Serializers.inputSelector(element);
- default:
- return Form.Element.Serializers.textarea(element);
- }
- },
- inputSelector: function(element) {
- return element.checked ? element.value : null;
- },
- textarea: function(element) {
- return element.value;
- },
- select: function(element) {
- return this[element.type == 'select-one' ?
- 'selectOne' : 'selectMany'](element);
- },
- selectOne: function(element) {
- var index = element.selectedIndex;
- return index >= 0 ? this.optionValue(element.options[index]) : null;
- },
- selectMany: function(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(this.optionValue(opt));
- }
- return values;
- },
- optionValue: function(opt) {
- // extend element because hasAttribute may not be native
- return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
- }
- }
- /*--------------------------------------------------------------------------*/
- Abstract.TimedObserver = function() {}
- Abstract.TimedObserver.prototype = {
- initialize: function(element, frequency, callback) {
- this.frequency = frequency;
- this.element = $(element);
- this.callback = callback;
- this.lastValue = this.getValue();
- this.registerCallback();
- },
- registerCallback: function() {
- setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
- },
- onTimerEvent: function() {
- var value = this.getValue();
- var changed = ('string' == typeof this.lastValue && 'string' == typeof value
- ? this.lastValue != value : String(this.lastValue) != String(value));
- if (changed) {
- this.callback(this.element, value);
- this.lastValue = value;
- }
- }
- }
- Form.Element.Observer = Class.create();
- Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
- getValue: function() {
- return Form.Element.getValue(this.element);
- }
- });
- Form.Observer = Class.create();
- Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
- getValue: function() {
- return Form.serialize(this.element);
- }
- });
- /*--------------------------------------------------------------------------*/
- Abstract.EventObserver = function() {}
- Abstract.EventObserver.prototype = {
- initialize: function(element, callback) {
- this.element = $(element);
- this.callback = callback;
- this.lastValue = this.getValue();
- if (this.element.tagName.toLowerCase() == 'form')
- this.registerFormCallbacks();
- else
- this.registerCallback(this.element);
- },
- onElementEvent: function() {
- var value = this.getValue();
- if (this.lastValue != value) {
- this.callback(this.element, value);
- this.lastValue = value;
- }
- },
- registerFormCallbacks: function() {
- Form.getElements(this.element).each(this.registerCallback.bind(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();
- Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
- getValue: function() {
- return Form.Element.getValue(this.element);
- }
- });
- Form.EventObserver = Class.create();
- Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
- getValue: function() {
- return Form.serialize(this.element);
- }
- });
- if (!window.Event) {
- var Event = new Object();
- }
- Object.extend(Event, {
- KEY_BACKSPACE: 8,
- KEY_TAB: 9,
- KEY_RETURN: 13,
- KEY_ESC: 27,
- KEY_LEFT: 37,
- KEY_UP: 38,
- KEY_RIGHT: 39,
- KEY_DOWN: 40,
- KEY_DELETE: 46,
- KEY_HOME: 36,
- KEY_END: 35,
- KEY_PAGEUP: 33,
- KEY_PAGEDOWN: 34,
- element: function(event) {
- return $(event.target || event.srcElement);
- },
- isLeftClick: function(event) {
- return (((event.which) && (event.which == 1)) ||
- ((event.button) && (event.button == 1)));
- },
- pointerX: function(event) {
- return event.pageX || (event.clientX +
- (document.documentElement.scrollLeft || document.body.scrollLeft));
- },
- pointerY: function(event) {
- return event.pageY || (event.clientY +
- (document.documentElement.scrollTop || document.body.scrollTop));
- },
- stop: function(event) {
- if (event.preventDefault) {
- event.preventDefault();
- event.stopPropagation();
- } else {
- event.returnValue = false;
- event.cancelBubble = true;
- }
- },
- // find the first node with the given tagName, starting from the
- // node the event was triggered on; traverses the DOM upwards
- findElement: function(event, tagName) {
- var element = Event.element(event);
- while (element.parentNode && (!element.tagName ||
- (element.tagName.toUpperCase() != tagName.toUpperCase())))
- element = element.parentNode;
- return element;
- },
- observers: false,
- _observeAndCache: function(element, name, observer, useCapture) {
- if (!this.observers) this.observers = [];
- if (element.addEventListener) {
- this.observers.push([element, name, observer, useCapture]);
- element.addEventListener(name, observer, useCapture);
- } else if (element.attachEvent) {
- this.observers.push([element, name, observer, useCapture]);
- element.attachEvent('on' + name, observer);
- }
- },
- unloadCache: function() {
- if (!Event.observers) return;
- for (var i = 0, length = Event.observers.length; i < length; i++) {
- Event.stopObserving.apply(this, Event.observers[i]);
- Event.observers[i][0] = null;
- }
- Event.observers = false;
- },
- observe: function(element, name, observer, useCapture) {
- element = $(element);
- useCapture = useCapture || false;
- if (name == 'keypress' &&
- (Prototype.Browser.WebKit || element.attachEvent))
- name = 'keydown';
- Event._observeAndCache(element, name, observer, useCapture);
- },
- stopObserving: function(element, name, observer, useCapture) {
- element = $(element);
- useCapture = useCapture || false;
- if (name == 'keypress' &&
- (Prototype.Browser.WebKit || element.attachEvent))
- name = 'keydown';
- if (element.removeEventListener) {
- element.removeEventListener(name, observer, useCapture);
- } else if (element.detachEvent) {
- try {
- element.detachEvent('on' + name, observer);
- } catch (e) {}
- }
- }
- });
- /* prevent memory leaks in IE */
- if (Prototype.Browser.IE)
- Event.observe(window, 'unload', Event.unloadCache, false);
- var Position = {
- // set to true if needed, warning: firefox performance problems
- // NOT neeeded for page scrolling, only if draggable contained in
- // scrollable elements
- includeScrollOffsets: false,
- // must be called before calling withinIncludingScrolloffset, every time the
- // page is scrolled
- prepare: function() {
- this.deltaX = window.pageXOffset
- || document.documentElement.scrollLeft
- || document.body.scrollLeft
- || 0;
- this.deltaY = window.pageYOffset
- || document.documentElement.scrollTop
- || document.body.scrollTop
- || 0;
- },
- realOffset: function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.scrollTop || 0;
- valueL += element.scrollLeft || 0;
- element = element.parentNode;
- } while (element);
- return [valueL, valueT];
- },
- cumulativeOffset: function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
- element = element.offsetParent;
- } while (element);
- return [valueL, valueT];
- },
- positionedOffset: function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
- element = element.offsetParent;
- if (element) {
- if(element.tagName=='BODY') break;
- var p = Element.getStyle(element, 'position');
- if (p == 'relative' || p == 'absolute') break;
- }
- } while (element);
- return [valueL, valueT];
- },
- offsetParent: function(element) {
- if (element.offsetParent) return element.offsetParent;
- if (element == document.body) return element;
- while ((element = element.parentNode) && element != document.body)
- if (Element.getStyle(element, 'position') != 'static')
- return element;
- return document.body;
- },
- // caches x/y coordinate pair to use with overlap
- within: function(element, x, y) {
- if (this.includeScrollOffsets)
- return this.withinIncludingScrolloffsets(element, x, y);
- this.xcomp = x;
- this.ycomp = y;
- this.offset = this.cumulativeOffset(element);
- return (y >= this.offset[1] &&
- y < this.offset[1] + element.offsetHeight &&
- x >= this.offset[0] &&
- x < this.offset[0] + element.offsetWidth);
- },
- withinIncludingScrolloffsets: function(element, x, y) {
- var offsetcache = this.realOffset(element);
- this.xcomp = x + offsetcache[0] - this.deltaX;
- this.ycomp = y + offsetcache[1] - this.deltaY;
- this.offset = this.cumulativeOffset(element);
- return (this.ycomp >= this.offset[1] &&
- this.ycomp < this.offset[1] + element.offsetHeight &&
- this.xcomp >= this.offset[0] &&
- this.xcomp < this.offset[0] + element.offsetWidth);
- },
- // within must be called directly before
- overlap: function(mode, element) {
- if (!mode) return 0;
- if (mode == 'vertical')
- return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
- element.offsetHeight;
- if (mode == 'horizontal')
- return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
- element.offsetWidth;
- },
- page: function(forElement) {
- var valueT = 0, valueL = 0;
- var element = forElement;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
- // Safari fix
- if (element.offsetParent == document.body)
- if (Element.getStyle(element,'position')=='absolute') break;
- } while (element = element.offsetParent);
- element = forElement;
- do {
- if (!window.opera || element.tagName=='BODY') {
- valueT -= element.scrollTop || 0;
- valueL -= element.scrollLeft || 0;
- }
- } while (element = element.parentNode);
- return [valueL, valueT];
- },
- clone: function(source, target) {
- var options = Object.extend({
- setLeft: true,
- setTop: true,
- setWidth: true,
- setHeight: true,
- offsetTop: 0,
- offsetLeft: 0
- }, arguments[2] || {})
- // find page position of source
- source = $(source);
- var p = Position.page(source);
- // find coordinate system to use
- target = $(target);
- var delta = [0, 0];
- var parent = null;
- // delta [0,0] will do fine with position: fixed elements,
- // position:absolute needs offsetParent deltas
- if (Element.getStyle(target,'position') == 'absolute') {
- parent = Position.offsetParent(target);
- delta = Position.page(parent);
- }
- // correct by body offsets (fixes Safari)
- if (parent == document.body) {
- delta[0] -= document.body.offsetLeft;
- delta[1] -= document.body.offsetTop;
- }
- // set position
- if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
- if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
- if(options.setWidth) target.style.width = source.offsetWidth + 'px';
- if(options.setHeight) target.style.height = source.offsetHeight + 'px';
- },
- absolutize: function(element) {
- element = $(element);
- if (element.style.position == 'absolute') return;
- Position.prepare();
- var offsets = Position.positionedOffset(element);
- var top = offsets[1];
- var left = offsets[0];
- var width = element.clientWidth;
- var height = element.clientHeight;
- element._originalLeft = left - parseFloat(element.style.left || 0);
- element._originalTop = top - parseFloat(element.style.top || 0);
- element._originalWidth = element.style.width;
- element._originalHeight = element.style.height;
- element.style.position = 'absolute';
- element.style.top = top + 'px';
- element.style.left = left + 'px';
- element.style.width = width + 'px';
- element.style.height = height + 'px';
- },
- relativize: function(element) {
- element = $(element);
- if (element.style.position == 'relative') return;
- Position.prepare();
- element.style.position = 'relative';
- var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
- var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
- element.style.top = top + 'px';
- element.style.left = left + 'px';
- element.style.height = element._originalHeight;
- element.style.width = element._originalWidth;
- }
- }
- // Safari returns margins on body which is incorrect if the child is absolutely
- // positioned. For performance reasons, redefine Position.cumulativeOffset for
- // KHTML/WebKit only.
- if (Prototype.Browser.WebKit) {
- Position.cumulativeOffset = function(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 [valueL, valueT];
- }
- }
- Element.addMethods();