--- a/javascript/prototype.js Wed Jun 03 18:36:17 2009 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,4170 +0,0 @@
-/* Prototype JavaScript framework, version 1.6.0.1
- * (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: '1.6.0.1',
-
- 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,
- MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
- },
-
- BrowserFeatures: {
- XPath: !!document.evaluate,
- ElementExtensions: !!window.HTMLElement,
- SpecificElementExtensions:
- document.createElement('div').__proto__ &&
- document.createElement('div').__proto__ !==
- document.createElement('form').__proto__
- },
-
- 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 = {
- create: function() {
- var parent = null, properties = $A(arguments);
- if (Object.isFunction(properties[0]))
- parent = properties.shift();
-
- function klass() {
- this.initialize.apply(this, arguments);
- }
-
- Object.extend(klass, Class.Methods);
- klass.superclass = parent;
- klass.subclasses = [];
-
- if (parent) {
- var subclass = function() { };
- subclass.prototype = parent.prototype;
- klass.prototype = new subclass;
- parent.subclasses.push(klass);
- }
-
- for (var i = 0; i < properties.length; i++)
- klass.addMethods(properties[i]);
-
- if (!klass.prototype.initialize)
- klass.prototype.initialize = Prototype.emptyFunction;
-
- klass.prototype.constructor = klass;
-
- return klass;
- }
-};
-
-Class.Methods = {
- addMethods: function(source) {
- var ancestor = this.superclass && this.superclass.prototype;
- var properties = Object.keys(source);
-
- if (!Object.keys({ toString: true }).length)
- properties.push("toString", "valueOf");
-
- for (var i = 0, length = properties.length; i < length; i++) {
- var property = properties[i], value = source[property];
- if (ancestor && Object.isFunction(value) &&
- value.argumentNames().first() == "$super") {
- var method = value, value = Object.extend((function(m) {
- return function() { return ancestor[m].apply(this, arguments) };
- })(property).wrap(method), {
- valueOf: function() { return method },
- toString: function() { return method.toString() }
- });
- }
- this.prototype[property] = value;
- }
-
- return this;
- }
-};
-
-var Abstract = { };
-
-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.isUndefined(object)) 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.isElement(object)) return;
-
- var results = [];
- for (var property in object) {
- var value = Object.toJSON(object[property]);
- if (!Object.isUndefined(value))
- results.push(property.toJSON() + ': ' + value);
- }
-
- return '{' + results.join(', ') + '}';
- },
-
- toQueryString: function(object) {
- return $H(object).toQueryString();
- },
-
- toHTML: function(object) {
- return object && object.toHTML ? object.toHTML() : String.interpret(object);
- },
-
- 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);
- },
-
- isElement: function(object) {
- return object && object.nodeType == 1;
- },
-
- isArray: function(object) {
- return object && object.constructor === Array;
- },
-
- isHash: function(object) {
- return object instanceof Hash;
- },
-
- isFunction: function(object) {
- return typeof object == "function";
- },
-
- isString: function(object) {
- return typeof object == "string";
- },
-
- isNumber: function(object) {
- return typeof object == "number";
- },
-
- isUndefined: function(object) {
- return typeof object == "undefined";
- }
-});
-
-Object.extend(Function.prototype, {
- argumentNames: function() {
- var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");
- return names.length == 1 && !names[0] ? [] : names;
- },
-
- bind: function() {
- if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
- var __method = this, args = $A(arguments), object = args.shift();
- return function() {
- return __method.apply(object, args.concat($A(arguments)));
- }
- },
-
- bindAsEventListener: function() {
- var __method = this, args = $A(arguments), object = args.shift();
- return function(event) {
- return __method.apply(object, [event || window.event].concat(args));
- }
- },
-
- curry: function() {
- if (!arguments.length) return this;
- var __method = this, args = $A(arguments);
- return function() {
- return __method.apply(this, args.concat($A(arguments)));
- }
- },
-
- delay: function() {
- var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
- return window.setTimeout(function() {
- return __method.apply(__method, args);
- }, timeout);
- },
-
- wrap: function(wrapper) {
- var __method = this;
- return function() {
- return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
- }
- },
-
- methodize: function() {
- if (this._methodized) return this._methodized;
- var __method = this;
- return this._methodized = function() {
- return __method.apply(null, [this].concat($A(arguments)));
- };
- }
-});
-
-Function.prototype.defer = Function.prototype.delay.curry(0.01);
-
-Date.prototype.toJSON = function() {
- return '"' + this.getUTCFullYear() + '-' +
- (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
- this.getUTCDate().toPaddedString(2) + 'T' +
- this.getUTCHours().toPaddedString(2) + ':' +
- this.getUTCMinutes().toPaddedString(2) + ':' +
- this.getUTCSeconds().toPaddedString(2) + 'Z"';
-};
-
-var Try = {
- these: function() {
- var returnValue;
-
- for (var i = 0, length = arguments.length; i < length; i++) {
- var lambda = arguments[i];
- try {
- returnValue = lambda();
- break;
- } catch (e) { }
- }
-
- return returnValue;
- }
-};
-
-RegExp.prototype.match = RegExp.prototype.test;
-
-RegExp.escape = function(str) {
- return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/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();
- } 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 = Object.isUndefined(count) ? 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 String(this);
- },
-
- truncate: function(length, truncation) {
- length = length || 30;
- truncation = Object.isUndefined(truncation) ? '...' : truncation;
- return this.length > length ?
- this.slice(0, length - truncation.length) + truncation : String(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 = new Element('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 (!Object.isArray(hash[key])) 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) {
- return count < 1 ? '' : new Array(count + 1).join(this);
- },
-
- 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-z\d])([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}');
- },
-
- isJSON: function() {
- var str = this;
- if (str.blank()) return false;
- str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
- return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
- },
-
- evalJSON: function(sanitize) {
- var json = this.unfilterJSON();
- try {
- if (!sanitize || json.isJSON()) return eval('(' + json + ')');
- } catch (e) { }
- throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
- },
-
- include: function(pattern) {
- return this.indexOf(pattern) > -1;
- },
-
- startsWith: function(pattern) {
- return this.indexOf(pattern) === 0;
- },
-
- endsWith: function(pattern) {
- var d = this.length - pattern.length;
- return d >= 0 && this.lastIndexOf(pattern) === d;
- },
-
- empty: function() {
- return this == '';
- },
-
- blank: function() {
- return /^\s*$/.test(this);
- },
-
- interpolate: function(object, pattern) {
- return new Template(this, pattern).evaluate(object);
- }
-});
-
-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 (Object.isFunction(replacement)) 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({
- initialize: function(template, pattern) {
- this.template = template.toString();
- this.pattern = pattern || Template.Pattern;
- },
-
- evaluate: function(object) {
- if (Object.isFunction(object.toTemplateReplacements))
- object = object.toTemplateReplacements();
-
- return this.template.gsub(this.pattern, function(match) {
- if (object == null) return '';
-
- var before = match[1] || '';
- if (before == '\\') return match[2];
-
- var ctx = object, expr = match[3];
- var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
- match = pattern.exec(expr);
- if (match == null) return before;
-
- while (match != null) {
- var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : 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);
- }.bind(this));
- }
-});
-Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
-
-var $break = { };
-
-var Enumerable = {
- each: function(iterator, context) {
- var index = 0;
- iterator = iterator.bind(context);
- try {
- this._each(function(value) {
- iterator(value, index++);
- });
- } catch (e) {
- if (e != $break) throw e;
- }
- return this;
- },
-
- eachSlice: function(number, iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
- var index = -number, slices = [], array = this.toArray();
- while ((index += number) < array.length)
- slices.push(array.slice(index, index+number));
- return slices.collect(iterator, context);
- },
-
- all: function(iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
- var result = true;
- this.each(function(value, index) {
- result = result && !!iterator(value, index);
- if (!result) throw $break;
- });
- return result;
- },
-
- any: function(iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
- var result = false;
- this.each(function(value, index) {
- if (result = !!iterator(value, index))
- throw $break;
- });
- return result;
- },
-
- collect: function(iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
- var results = [];
- this.each(function(value, index) {
- results.push(iterator(value, index));
- });
- return results;
- },
-
- detect: function(iterator, context) {
- iterator = iterator.bind(context);
- var result;
- this.each(function(value, index) {
- if (iterator(value, index)) {
- result = value;
- throw $break;
- }
- });
- return result;
- },
-
- findAll: function(iterator, context) {
- iterator = iterator.bind(context);
- var results = [];
- this.each(function(value, index) {
- if (iterator(value, index))
- results.push(value);
- });
- return results;
- },
-
- grep: function(filter, iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
- var results = [];
-
- if (Object.isString(filter))
- filter = new RegExp(filter);
-
- this.each(function(value, index) {
- if (filter.match(value))
- results.push(iterator(value, index));
- });
- return results;
- },
-
- include: function(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;
- },
-
- inGroupsOf: function(number, fillWith) {
- fillWith = Object.isUndefined(fillWith) ? null : fillWith;
- return this.eachSlice(number, function(slice) {
- while(slice.length < number) slice.push(fillWith);
- return slice;
- });
- },
-
- inject: function(memo, iterator, context) {
- iterator = iterator.bind(context);
- 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, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
- var result;
- this.each(function(value, index) {
- value = iterator(value, index);
- if (result == null || value >= result)
- result = value;
- });
- return result;
- },
-
- min: function(iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
- var result;
- this.each(function(value, index) {
- value = iterator(value, index);
- if (result == null || value < result)
- result = value;
- });
- return result;
- },
-
- partition: function(iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
- var trues = [], falses = [];
- this.each(function(value, index) {
- (iterator(value, index) ?
- trues : falses).push(value);
- });
- return [trues, falses];
- },
-
- pluck: function(property) {
- var results = [];
- this.each(function(value) {
- results.push(value[property]);
- });
- return results;
- },
-
- reject: function(iterator, context) {
- iterator = iterator.bind(context);
- var results = [];
- this.each(function(value, index) {
- if (!iterator(value, index))
- results.push(value);
- });
- return results;
- },
-
- sortBy: function(iterator, context) {
- iterator = iterator.bind(context);
- 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 = $A(arguments);
- if (Object.isFunction(args.last()))
- iterator = args.pop();
-
- var collections = [this].concat(args).map($A);
- return this.map(function(value, index) {
- return iterator(collections.pluck(index));
- });
- },
-
- 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,
- filter: Enumerable.findAll,
- member: Enumerable.include,
- entries: Enumerable.toArray,
- every: Enumerable.all,
- some: Enumerable.any
-});
-function $A(iterable) {
- if (!iterable) return [];
- if (iterable.toArray) return iterable.toArray();
- var length = iterable.length || 0, results = new Array(length);
- while (length--) results[length] = iterable[length];
- return results;
-}
-
-if (Prototype.Browser.WebKit) {
- function $A(iterable) {
- if (!iterable) return [];
- if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&
- iterable.toArray) return iterable.toArray();
- var length = iterable.length || 0, results = new Array(length);
- while (length--) results[length] = iterable[length];
- return results;
- }
-}
-
-Array.from = $A;
-
-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(Object.isArray(value) ?
- value.flatten() : [value]);
- });
- },
-
- without: function() {
- var values = $A(arguments);
- return this.select(function(value) {
- return !values.include(value);
- });
- },
-
- 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;
- });
- },
-
- intersect: function(array) {
- return this.uniq().findAll(function(item) {
- return array.detect(function(value) { return item === value });
- });
- },
-
- 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 (!Object.isUndefined(value)) results.push(value);
- });
- return '[' + results.join(', ') + ']';
- }
-});
-
-// use native browser JS 1.6 implementation if available
-if (Object.isFunction(Array.prototype.forEach))
- Array.prototype._each = Array.prototype.forEach;
-
-if (!Array.prototype.indexOf) Array.prototype.indexOf = function(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;
-};
-
-if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(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;
-};
-
-Array.prototype.toArray = Array.prototype.clone;
-
-function $w(string) {
- if (!Object.isString(string)) return [];
- 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 (Object.isArray(arguments[i])) {
- for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
- array.push(arguments[i][j]);
- } else {
- array.push(arguments[i]);
- }
- }
- return array;
- };
-}
-Object.extend(Number.prototype, {
- toColorPart: function() {
- return this.toPaddedString(2, 16);
- },
-
- succ: function() {
- return this + 1;
- },
-
- times: function(iterator) {
- $R(0, this, true).each(iterator);
- return this;
- },
-
- toPaddedString: function(length, radix) {
- var string = this.toString(radix || 10);
- return '0'.times(length - string.length) + string;
- },
-
- toJSON: function() {
- return isFinite(this) ? this.toString() : 'null';
- }
-});
-
-$w('abs round ceil floor').each(function(method){
- Number.prototype[method] = Math[method].methodize();
-});
-function $H(object) {
- return new Hash(object);
-};
-
-var Hash = Class.create(Enumerable, (function() {
-
- function toQueryPair(key, value) {
- if (Object.isUndefined(value)) return key;
- return key + '=' + encodeURIComponent(String.interpret(value));
- }
-
- return {
- initialize: function(object) {
- this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
- },
-
- _each: function(iterator) {
- for (var key in this._object) {
- var value = this._object[key], pair = [key, value];
- pair.key = key;
- pair.value = value;
- iterator(pair);
- }
- },
-
- set: function(key, value) {
- return this._object[key] = value;
- },
-
- get: function(key) {
- return this._object[key];
- },
-
- unset: function(key) {
- var value = this._object[key];
- delete this._object[key];
- return value;
- },
-
- toObject: function() {
- return Object.clone(this._object);
- },
-
- keys: function() {
- return this.pluck('key');
- },
-
- values: function() {
- return this.pluck('value');
- },
-
- index: function(value) {
- var match = this.detect(function(pair) {
- return pair.value === value;
- });
- return match && match.key;
- },
-
- merge: function(object) {
- return this.clone().update(object);
- },
-
- update: function(object) {
- return new Hash(object).inject(this, function(result, pair) {
- result.set(pair.key, pair.value);
- return result;
- });
- },
-
- toQueryString: function() {
- return this.map(function(pair) {
- var key = encodeURIComponent(pair.key), values = pair.value;
-
- if (values && typeof values == 'object') {
- if (Object.isArray(values))
- return values.map(toQueryPair.curry(key)).join('&');
- }
- return toQueryPair(key, values);
- }).join('&');
- },
-
- inspect: function() {
- return '#<Hash:{' + this.map(function(pair) {
- return pair.map(Object.inspect).join(': ');
- }).join(', ') + '}>';
- },
-
- toJSON: function() {
- return Object.toJSON(this.toObject());
- },
-
- clone: function() {
- return new Hash(this);
- }
- }
-})());
-
-Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
-Hash.from = $H;
-var ObjectRange = Class.create(Enumerable, {
- 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 $R = function(start, end, exclusive) {
- return new ObjectRange(start, end, exclusive);
-};
-
-var Ajax = {
- getTransport: function() {
- return Try.these(
- function() {return new XMLHttpRequest()},
- function() {return new ActiveXObject('Msxml2.XMLHTTP')},
- function() {return new ActiveXObject('Microsoft.XMLHTTP')}
- ) || false;
- },
-
- activeRequestCount: 0
-};
-
-Ajax.Responders = {
- responders: [],
-
- _each: function(iterator) {
- this.responders._each(iterator);
- },
-
- register: function(responder) {
- if (!this.include(responder))
- this.responders.push(responder);
- },
-
- unregister: function(responder) {
- this.responders = this.responders.without(responder);
- },
-
- dispatch: function(callback, request, transport, json) {
- this.each(function(responder) {
- if (Object.isFunction(responder[callback])) {
- try {
- responder[callback].apply(responder, [request, transport, json]);
- } catch (e) { }
- }
- });
- }
-};
-
-Object.extend(Ajax.Responders, Enumerable);
-
-Ajax.Responders.register({
- onCreate: function() { Ajax.activeRequestCount++ },
- onComplete: function() { Ajax.activeRequestCount-- }
-});
-
-Ajax.Base = Class.create({
- initialize: function(options) {
- this.options = {
- method: 'post',
- asynchronous: true,
- contentType: 'application/x-www-form-urlencoded',
- encoding: 'UTF-8',
- parameters: '',
- evalJSON: true,
- evalJS: true
- };
- Object.extend(this.options, options || { });
-
- this.options.method = this.options.method.toLowerCase();
-
- if (Object.isString(this.options.parameters))
- this.options.parameters = this.options.parameters.toQueryParams();
- else if (Object.isHash(this.options.parameters))
- this.options.parameters = this.options.parameters.toObject();
- }
-});
-
-Ajax.Request = Class.create(Ajax.Base, {
- _complete: false,
-
- initialize: function($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.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 = Object.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 {
- 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';
- }
-
- // user-defined headers
- 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
- $H(extras).each(function(pair) { headers[pair.key] = pair.value });
- }
-
- for (var name in headers)
- this.transport.setRequestHeader(name, headers[name]);
- },
-
- success: function() {
- var status = this.getStatus();
- return !status || (status >= 200 && status < 300);
- },
-
- getStatus: function() {
- try {
- return this.transport.status || 0;
- } catch (e) { return 0 }
- },
-
- respondToReadyState: function(readyState) {
- var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
-
- if (state == 'Complete') {
- try {
- this._complete = true;
- (this.options['on' + response.status]
- || this.options['on' + (this.success() ? 'Success' : 'Failure')]
- || Prototype.emptyFunction)(response, response.headerJSON);
- } catch (e) {
- this.dispatchException(e);
- }
-
- var contentType = response.getHeader('Content-type');
- if (this.options.evalJS == 'force'
- || (this.options.evalJS && contentType
- && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/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') {
- // avoid memory leak in MSIE: clean up
- this.transport.onreadystatechange = Prototype.emptyFunction;
- }
- },
-
- 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);
- } 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);
- } 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 (!window.Node) var Node = { };
-
-if (!Node.ELEMENT_NODE) {
- // DOM level 2 ECMAScript Language Binding
- 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() {
- var element = this.Element;
- this.Element = function(tagName, attributes) {
- attributes = attributes || { };
- tagName = tagName.toLowerCase();
- var cache = Element.cache;
- if (Prototype.Browser.IE && 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));
- return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
- };
- Object.extend(this.Element, element || { });
-}).call(window);
-
-Element.cache = { };
-
-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, content) {
- element = $(element);
- if (content && content.toElement) content = content.toElement();
- if (Object.isElement(content)) return element.update().insert(content);
- content = Object.toHTML(content);
- element.innerHTML = content.stripScripts();
- content.evalScripts.bind(content).defer();
- return element;
- },
-
- 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 (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();
- 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 $(element).getElementsBySelector("*");
- },
-
- 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 = $(element);
- return element.previousSiblings().reverse().concat(element.nextSiblings());
- },
-
- match: function(element, selector) {
- if (Object.isString(selector))
- selector = new Selector(selector);
- return selector.match($(element));
- },
-
- up: function(element, expression, index) {
- element = $(element);
- if (arguments.length == 1) return $(element.parentNode);
- var ancestors = element.ancestors();
- return Object.isNumber(expression) ? ancestors[expression] :
- Selector.findElement(ancestors, expression, index);
- },
-
- down: function(element, expression, index) {
- element = $(element);
- if (arguments.length == 1) return element.firstDescendant();
- return Object.isNumber(expression) ? element.descendants()[expression] :
- element.select(expression)[index || 0];
- },
-
- previous: function(element, expression, index) {
- element = $(element);
- if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
- var previousSiblings = element.previousSiblings();
- return Object.isNumber(expression) ? previousSiblings[expression] :
- Selector.findElement(previousSiblings, expression, index);
- },
-
- next: function(element, expression, index) {
- element = $(element);
- if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
- var nextSiblings = element.nextSiblings();
- return Object.isNumber(expression) ? nextSiblings[expression] :
- Selector.findElement(nextSiblings, expression, index);
- },
-
- select: function() {
- var args = $A(arguments), element = $(args.shift());
- return Selector.findChildElements(element, args);
- },
-
- adjacent: function() {
- var args = $A(arguments), element = $(args.shift());
- return Selector.findChildElements(element.parentNode, args).without(element);
- },
-
- identify: function(element) {
- element = $(element);
- var id = element.readAttribute('id'), self = arguments.callee;
- if (id) return id;
- do { id = 'anonymous_element_' + self.counter++ } while ($(id));
- element.writeAttribute('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().height;
- },
-
- getWidth: function(element) {
- return $(element).getDimensions().width;
- },
-
- classNames: function(element) {
- return new Element.ClassNames(element);
- },
-
- hasClassName: function(element, className) {
- if (!(element = $(element))) return;
- var elementClassName = element.className;
- return (elementClassName.length > 0 && (elementClassName == className ||
- new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
- },
-
- addClassName: function(element, className) {
- if (!(element = $(element))) return;
- if (!element.hasClassName(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(className) ?
- 'removeClassName' : 'addClassName'](className);
- },
-
- // 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);
- var originalAncestor = ancestor;
-
- if (element.compareDocumentPosition)
- return (element.compareDocumentPosition(ancestor) & 8) === 8;
-
- if (element.sourceIndex && !Prototype.Browser.Opera) {
- var e = element.sourceIndex, a = ancestor.sourceIndex,
- nextAncestor = ancestor.nextSibling;
- if (!nextAncestor) {
- do { ancestor = ancestor.parentNode; }
- while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);
- }
- if (nextAncestor) return (e > a && e < nextAncestor.sourceIndex);
- }
-
- while (element = element.parentNode)
- if (element == originalAncestor) return true;
- return false;
- },
-
- scrollTo: function(element) {
- element = $(element);
- var pos = element.cumulativeOffset();
- 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) {
- 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;
- },
-
- 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.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;
- },
-
- cumulativeOffset: function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
- element = element.offsetParent;
- } while (element);
- return Element._returnOffset(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 Element._returnOffset(valueL, valueT);
- },
-
- absolutize: function(element) {
- element = $(element);
- if (element.getStyle('position') == 'absolute') return;
- // Position.prepare(); // To be done manually by Scripty when it needs it.
-
- var offsets = element.positionedOffset();
- 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';
- return element;
- },
-
- relativize: function(element) {
- element = $(element);
- if (element.getStyle('position') == 'relative') return;
- // Position.prepare(); // To be done manually by Scripty when it needs it.
-
- 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;
- return element;
- },
-
- cumulativeScrollOffset: function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.scrollTop || 0;
- valueL += element.scrollLeft || 0;
- element = element.parentNode;
- } while (element);
- return Element._returnOffset(valueL, valueT);
- },
-
- getOffsetParent: 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);
- },
-
- viewportOffset: 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 &&
- Element.getStyle(element, 'position') == 'absolute') break;
-
- } while (element = element.offsetParent);
-
- element = forElement;
- do {
- if (!Prototype.Browser.Opera || element.tagName == 'BODY') {
- valueT -= element.scrollTop || 0;
- valueL -= element.scrollLeft || 0;
- }
- } while (element = element.parentNode);
-
- return Element._returnOffset(valueL, valueT);
- },
-
- clonePosition: function(element, source) {
- 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 = source.viewportOffset();
-
- // find coordinate system to use
- element = $(element);
- 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(element, 'position') == 'absolute') {
- parent = element.getOffsetParent();
- delta = parent.viewportOffset();
- }
-
- // 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) 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;
- }
-};
-
-Element.Methods.identify.counter = 1;
-
-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 'left': case 'top': case 'right': case 'bottom':
- if (proceed(element, 'position') === 'static') return null;
- case 'height': case 'width':
- // returns '0px' for hidden elements; we want it to return null
- if (!Element.visible(element)) return null;
-
- // returns the border-box dimensions rather than the content-box
- // dimensions, so we subtract padding and borders from the value
- 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) {
- $w('positionedOffset getOffsetParent viewportOffset').each(function(method) {
- Element.Methods[method] = Element.Methods[method].wrap(
- function(proceed, element) {
- element = $(element);
- 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;
- }
- );
- });
-
- 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 = {
- read: {
- names: {
- 'class': 'className',
- 'for': 'htmlFor'
- },
- values: {
- _getAttr: function(element, attribute) {
- return element.getAttribute(attribute, 2);
- },
- _getAttrNode: function(element, attribute) {
- var node = element.getAttributeNode(attribute);
- return node ? node.value : "";
- },
- _getEv: function(element, attribute) {
- attribute = element.getAttribute(attribute);
- return attribute ? attribute.toString().slice(23, -2) : null;
- },
- _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.clone(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').each(function(attr) {
- Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
- Element._attributeTranslations.has[attr.toLowerCase()] = attr;
- });
-
- (function(v) {
- Object.extend(v, {
- href: v._getAttr,
- src: v._getAttr,
- 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);
-}
-
-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 == 'IMG' && element.width) {
- element.width++; element.width--;
- } else try {
- var n = document.createTextNode(' ');
- element.appendChild(n);
- element.removeChild(n);
- } catch (e) { }
-
- return element;
- };
-
- // Safari returns margins on body which is incorrect if the child is absolutely
- // positioned. For performance reasons, redefine Element#cumulativeOffset for
- // KHTML/WebKit only.
- Element.Methods.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 Element._returnOffset(valueL, valueT);
- };
-}
-
-if (Prototype.Browser.IE || Prototype.Browser.Opera) {
- // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
- Element.Methods.update = function(element, content) {
- element = $(element);
-
- 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 in Element._insertionTranslations.tags) {
- $A(element.childNodes).each(function(node) { element.removeChild(node) });
- Element._getContentFromAnonymousElement(tagName, content.stripScripts())
- .each(function(node) { element.appendChild(node) });
- }
- else element.innerHTML = content.stripScripts();
-
- content.evalScripts.bind(content).defer();
- return element;
- };
-}
-
-if (document.createElement('div').outerHTML) {
- 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();
- var 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) {
- var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
- if (t) {
- div.innerHTML = t[0] + html + t[1];
- t[2].times(function() { div = div.firstChild });
- } else div.innerHTML = html;
- return $A(div.childNodes);
-};
-
-Element._insertionTranslations = {
- before: function(element, node) {
- element.parentNode.insertBefore(node, element);
- },
- top: function(element, node) {
- element.insertBefore(node, element.firstChild);
- },
- bottom: function(element, node) {
- element.appendChild(node);
- },
- after: function(element, node) {
- element.parentNode.insertBefore(node, element.nextSibling);
- },
- tags: {
- TABLE: ['<table>', '</table>', 1],
- TBODY: ['<table><tbody>', '</tbody></table>', 2],
- TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3],
- TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
- SELECT: ['<select>', '</select>', 1]
- }
-};
-
-(function() {
- Object.extend(this.tags, {
- THEAD: this.tags.TBODY,
- TFOOT: this.tags.TBODY,
- TH: this.tags.TD
- });
-}).call(Element._insertionTranslations);
-
-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);
-
-if (!Prototype.BrowserFeatures.ElementExtensions &&
- document.createElement('div').__proto__) {
- window.HTMLElement = { };
- window.HTMLElement.prototype = document.createElement('div').__proto__;
- Prototype.BrowserFeatures.ElementExtensions = true;
-}
-
-Element.extend = (function() {
- if (Prototype.BrowserFeatures.SpecificElementExtensions)
- return Prototype.K;
-
- var Methods = { }, ByTag = Element.Methods.ByTag;
-
- var extend = Object.extend(function(element) {
- if (!element || element._extendedByPrototype ||
- element.nodeType != 1 || element == window) return element;
-
- var methods = Object.clone(Methods),
- tagName = element.tagName, property, value;
-
- // extend methods for specific tags
- if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
-
- for (property in methods) {
- value = methods[property];
- if (Object.isFunction(value) && !(property in element))
- element[property] = value.methodize();
- }
-
- element._extendedByPrototype = Prototype.emptyFunction;
- return element;
-
- }, {
- refresh: function() {
- // extend methods for all tags (Safari doesn't need this)
- if (!Prototype.BrowserFeatures.ElementExtensions) {
- Object.extend(Methods, Element.Methods);
- Object.extend(Methods, Element.Methods.Simulated);
- }
- }
- });
-
- extend.refresh();
- return extend;
-})();
-
-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 (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];
-
- 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 (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() {
- var dimensions = { };
- var B = Prototype.Browser;
- $w('width height').each(function(d) {
- var D = d.capitalize();
- dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] :
- (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D];
- });
- return dimensions;
- },
-
- getWidth: function() {
- return this.getDimensions().width;
- },
-
- getHeight: function() {
- return this.getDimensions().height;
- },
-
- getScrollOffsets: function() {
- return Element._returnOffset(
- window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
- window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
- }
-};
-/* 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({
- initialize: function(expression) {
- this.expression = expression.strip();
- this.compileMatcher();
- },
-
- shouldUseXPath: function() {
- if (!Prototype.BrowserFeatures.XPath) return false;
-
- var e = this.expression;
-
- // Safari 3 chokes on :*-of-type and :empty
- if (Prototype.Browser.WebKit &&
- (e.include("-of-type") || e.include(":empty")))
- return false;
-
- // XPath can't do namespaced attributes, nor can it read
- // the "checked" property from DOM nodes
- if ((/(\[[\w-]*?:|:checked)/).test(this.expression))
- return false;
-
- return true;
- },
-
- compileMatcher: function() {
- if (this.shouldUseXPath())
- 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(Object.isFunction(c[i]) ? 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(Object.isFunction(x[i]) ? 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) {
- this.tokens = [];
-
- var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
- var le, p, m;
-
- while (e && le !== e && (/\S/).test(e)) {
- le = e;
- for (var i in ps) {
- p = ps[i];
- if (m = e.match(p)) {
- // use the Selector.assertions methods unless the selector
- // is too complex.
- if (as[i]) {
- this.tokens.push([i, Object.clone(m)]);
- e = e.replace(m[0], '');
- } else {
- // reluctantly do a document-wide search
- // and look for a match in the array
- return this.findElements(document).include(element);
- }
- }
- }
- }
-
- var match = true, name, matches;
- for (var i = 0, token; token = this.tokens[i]; i++) {
- name = token[0], matches = token[1];
- if (!Selector.assertions[name](element, matches)) {
- match = false; break;
- }
- }
-
- return match;
- },
-
- 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: function(m) {
- m[1] = m[1].toLowerCase();
- return new Template("[@#{1}]").evaluate(m);
- },
- attr: function(m) {
- m[1] = m[1].toLowerCase();
- 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 (Object.isFunction(h)) 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(), ' \t\r\n', '') = '')]",
- 'checked': "[@checked]",
- 'disabled': "[@disabled]",
- 'enabled': "[not(@disabled)]",
- 'not': function(m) {
- var e = m[6], p = Selector.patterns,
- x = Selector.xpath, le, v;
-
- var exclusion = [];
- while (e && le != e && (/\S/).test(e)) {
- le = e;
- for (var i in p) {
- if (m = e.match(p[i])) {
- v = Object.isFunction(x[i]) ? 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: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
- },
-
- // for Selector.match and Element#match
- assertions: {
- tagName: function(element, matches) {
- return matches[1].toUpperCase() == element.tagName.toUpperCase();
- },
-
- className: function(element, matches) {
- return Element.hasClassName(element, matches[1]);
- },
-
- id: function(element, matches) {
- return element.id === matches[1];
- },
-
- attrPresence: function(element, matches) {
- return Element.hasAttribute(element, matches[1]);
- },
-
- attr: function(element, matches) {
- var nodeValue = Element.readAttribute(element, matches[1]);
- return Selector.operators[matches[2]](nodeValue, matches[3]);
- }
- },
-
- 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--) {
- var 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, 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) {
- var uTagName = 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() === uTagName) results.push(node);
- return results;
- } else return root.getElementsByTagName(tagName);
- },
-
- id: function(nodes, root, id, combinator) {
- var targetNode = $(id), h = Selector.handlers;
- if (!targetNode) return [];
- if (!nodes && root == document) return [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) {
- if (!nodes) nodes = root.getElementsByTagName("*");
- 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 (Object.isNumber(expression)) {
- 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;
- }
-});
-
-if (Prototype.Browser.IE) {
- // IE returns comment nodes on getElementsByTagName("*").
- // Filter them out.
- Selector.handlers.concat = function(a, b) {
- for (var i = 0, node; node = b[i]; i++)
- if (node.tagName !== "!") a.push(node);
- return a;
- };
-}
-
-function $$() {
- return Selector.findChildElements(document, $A(arguments));
-}
-var Form = {
- reset: function(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;
-
- var data = elements.inject({ }, function(result, element) {
- if (!element.disabled && element.name) {
- key = element.name; value = $(element).getValue();
- if (value != null && (element.type != 'submit' || (!submitted &&
- submit !== false && (!submit || key == submit) && (submitted = true)))) {
- if (key in result) {
- // a key is already present; construct an array of values
- if (!Object.isArray(result[key])) result[key] = [result[key]];
- result[key].push(value);
- }
- else result[key] = value;
- }
- }
- return result;
- });
-
- return options.hash ? data : Object.toQueryString(data);
- }
-};
-
-Form.Methods = {
- serialize: function(form, options) {
- return Form.serializeElements(Form.getElements(form), options);
- },
-
- 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) {
- 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'].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, 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'].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 $F = Form.Element.Methods.getValue;
-
-/*--------------------------------------------------------------------------*/
-
-Form.Element.Serializers = {
- input: function(element, value) {
- switch (element.type.toLowerCase()) {
- case 'checkbox':
- case 'radio':
- return Form.Element.Serializers.inputSelector(element, value);
- default:
- return Form.Element.Serializers.textarea(element, value);
- }
- },
-
- inputSelector: function(element, value) {
- if (Object.isUndefined(value)) return element.checked ? element.value : null;
- else element.checked = !!value;
- },
-
- textarea: function(element, value) {
- if (Object.isUndefined(value)) return element.value;
- else element.value = value;
- },
-
- select: function(element, index) {
- if (Object.isUndefined(index))
- return this[element.type == 'select-one' ?
- 'selectOne' : 'selectMany'](element);
- else {
- var opt, value, single = !Object.isArray(index);
- for (var i = 0, length = element.length; i < length; i++) {
- opt = element.options[i];
- value = this.optionValue(opt);
- if (single) {
- if (value == index) {
- opt.selected = true;
- return;
- }
- }
- else opt.selected = index.include(value);
- }
- }
- },
-
- selectOne: function(element) {
- var index = element.selectedIndex;
- return index >= 0 ? this.optionValue(element.options[index]) : null;
- },
-
- selectMany: function(element) {
- var values, length = element.length;
- if (!length) return null;
-
- for (var i = 0, values = []; i < length; i++) {
- var opt = element.options[i];
- if (opt.selected) values.push(this.optionValue(opt));
- }
- return values;
- },
-
- optionValue: function(opt) {
- // extend element because hasAttribute may not be native
- return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
- }
-};
-
-/*--------------------------------------------------------------------------*/
-
-Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
- initialize: function($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);
- }
-});
-if (!window.Event) var Event = { };
-
-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,
- KEY_INSERT: 45,
-
- cache: { },
-
- relatedTarget: function(event) {
- var element;
- switch(event.type) {
- case 'mouseover': element = event.fromElement; break;
- case 'mouseout': element = event.toElement; break;
- default: return null;
- }
- return Element.extend(element);
- }
-});
-
-Event.Methods = (function() {
- var isButton;
-
- if (Prototype.Browser.IE) {
- var buttonMap = { 0: 1, 1: 4, 2: 2 };
- isButton = function(event, code) {
- return event.button == buttonMap[code];
- };
-
- } else if (Prototype.Browser.WebKit) {
- isButton = function(event, code) {
- switch (code) {
- case 0: return event.which == 1 && !event.metaKey;
- case 1: return event.which == 1 && event.metaKey;
- default: return false;
- }
- };
-
- } else {
- isButton = function(event, code) {
- return event.which ? (event.which === code + 1) : (event.button === code);
- };
- }
-
- return {
- isLeftClick: function(event) { return isButton(event, 0) },
- isMiddleClick: function(event) { return isButton(event, 1) },
- isRightClick: function(event) { return isButton(event, 2) },
-
- element: function(event) {
- var node = Event.extend(event).target;
- return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node);
- },
-
- findElement: function(event, expression) {
- var element = Event.element(event);
- if (!expression) return element;
- var elements = [element].concat(element.ancestors());
- return Selector.findElement(elements, expression, 0);
- },
-
- pointer: function(event) {
- return {
- x: event.pageX || (event.clientX +
- (document.documentElement.scrollLeft || document.body.scrollLeft)),
- y: event.pageY || (event.clientY +
- (document.documentElement.scrollTop || document.body.scrollTop))
- };
- },
-
- pointerX: function(event) { return Event.pointer(event).x },
- pointerY: function(event) { return Event.pointer(event).y },
-
- stop: function(event) {
- Event.extend(event);
- event.preventDefault();
- event.stopPropagation();
- event.stopped = true;
- }
- };
-})();
-
-Event.extend = (function() {
- var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
- m[name] = Event.Methods[name].methodize();
- return m;
- });
-
- if (Prototype.Browser.IE) {
- Object.extend(methods, {
- stopPropagation: function() { this.cancelBubble = true },
- preventDefault: function() { this.returnValue = false },
- inspect: function() { return "[object Event]" }
- });
-
- return function(event) {
- if (!event) return false;
- if (event._extendedByPrototype) return event;
-
- event._extendedByPrototype = Prototype.emptyFunction;
- var pointer = Event.pointer(event);
- Object.extend(event, {
- target: event.srcElement,
- relatedTarget: Event.relatedTarget(event),
- pageX: pointer.x,
- pageY: pointer.y
- });
- return Object.extend(event, methods);
- };
-
- } else {
- Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__;
- Object.extend(Event.prototype, methods);
- return Prototype.K;
- }
-})();
-
-Object.extend(Event, (function() {
- var cache = Event.cache;
-
- function getEventID(element) {
- if (element._eventID) return element._eventID;
- arguments.callee.id = arguments.callee.id || 1;
- return element._eventID = ++arguments.callee.id;
- }
-
- function getDOMEventName(eventName) {
- if (eventName && eventName.include(':')) return "dataavailable";
- return eventName;
- }
-
- function getCacheForID(id) {
- return cache[id] = cache[id] || { };
- }
-
- function getWrappersForEventName(id, eventName) {
- var c = getCacheForID(id);
- return c[eventName] = c[eventName] || [];
- }
-
- function createWrapper(element, eventName, handler) {
- var id = getEventID(element);
- var c = getWrappersForEventName(id, eventName);
- if (c.pluck("handler").include(handler)) return false;
-
- var wrapper = function(event) {
- if (!Event || !Event.extend ||
- (event.eventName && event.eventName != eventName))
- return false;
-
- Event.extend(event);
- handler.call(element, event);
- };
-
- wrapper.handler = handler;
- c.push(wrapper);
- return wrapper;
- }
-
- function findWrapper(id, eventName, handler) {
- var c = getWrappersForEventName(id, eventName);
- return c.find(function(wrapper) { return wrapper.handler == handler });
- }
-
- function destroyWrapper(id, eventName, handler) {
- var c = getCacheForID(id);
- if (!c[eventName]) return false;
- c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
- }
-
- function destroyCache() {
- for (var id in cache)
- for (var eventName in cache[id])
- cache[id][eventName] = null;
- }
-
- if (window.attachEvent) {
- window.attachEvent("onunload", destroyCache);
- }
-
- return {
- observe: function(element, eventName, handler) {
- element = $(element);
- var name = getDOMEventName(eventName);
-
- var wrapper = createWrapper(element, eventName, handler);
- if (!wrapper) return element;
-
- if (element.addEventListener) {
- element.addEventListener(name, wrapper, false);
- } else {
- element.attachEvent("on" + name, wrapper);
- }
-
- return element;
- },
-
- stopObserving: function(element, eventName, handler) {
- element = $(element);
- var id = getEventID(element), name = getDOMEventName(eventName);
-
- if (!handler && eventName) {
- getWrappersForEventName(id, eventName).each(function(wrapper) {
- element.stopObserving(eventName, wrapper.handler);
- });
- return element;
-
- } else if (!eventName) {
- Object.keys(getCacheForID(id)).each(function(eventName) {
- element.stopObserving(eventName);
- });
- return element;
- }
-
- var wrapper = findWrapper(id, eventName, handler);
- if (!wrapper) return element;
-
- if (element.removeEventListener) {
- element.removeEventListener(name, wrapper, false);
- } else {
- element.detachEvent("on" + name, wrapper);
- }
-
- destroyWrapper(id, eventName, handler);
-
- return element;
- },
-
- fire: function(element, eventName, memo) {
- element = $(element);
- if (element == document && document.createEvent && !element.dispatchEvent)
- element = document.documentElement;
-
- var event;
- if (document.createEvent) {
- event = document.createEvent("HTMLEvents");
- event.initEvent("dataavailable", true, true);
- } else {
- event = document.createEventObject();
- event.eventType = "ondataavailable";
- }
-
- event.eventName = eventName;
- event.memo = memo || { };
-
- if (document.createEvent) {
- element.dispatchEvent(event);
- } else {
- element.fireEvent(event.eventType, event);
- }
-
- return Event.extend(event);
- }
- };
-})());
-
-Object.extend(Event, Event.Methods);
-
-Element.addMethods({
- fire: Event.fire,
- observe: Event.observe,
- stopObserving: Event.stopObserving
-});
-
-Object.extend(document, {
- fire: Element.Methods.fire.methodize(),
- observe: Element.Methods.observe.methodize(),
- stopObserving: Element.Methods.stopObserving.methodize(),
- loaded: false
-});
-
-(function() {
- /* Support for the DOMContentLoaded event is based on work by Dan Webb,
- Matthias Miller, Dean Edwards and John Resig. */
-
- var timer;
-
- function fireContentLoadedEvent() {
- if (document.loaded) return;
- if (timer) window.clearInterval(timer);
- document.fire("dom:loaded");
- document.loaded = true;
- }
-
- if (document.addEventListener) {
- if (Prototype.Browser.WebKit) {
- timer = window.setInterval(function() {
- if (/loaded|complete/.test(document.readyState))
- fireContentLoadedEvent();
- }, 0);
-
- Event.observe(window, "load", fireContentLoadedEvent);
-
- } else {
- document.addEventListener("DOMContentLoaded",
- fireContentLoadedEvent, false);
- }
-
- } else {
- document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
- $("__onDOMContentLoaded").onreadystatechange = function() {
- if (this.readyState == "complete") {
- this.onreadystatechange = null;
- fireContentLoadedEvent();
- }
- };
- }
-})();
-/*------------------------------- 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');
-
-// This should be moved to script.aculo.us; notice the deprecated methods
-// further below, that map to the newer Element methods.
-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;
- },
-
- // 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 = 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);
- },
-
- // 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;
- },
-
- // Deprecation layer -- use newer Element methods now (1.5.2).
-
- 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);
-
-/*--------------------------------------------------------------------------*/
-
-Element.addMethods();