-/* Prototype JavaScript framework, version 1.5.0_rc0
- * (c) 2005 Sam Stephenson <sam@conio.net>
+/* Prototype JavaScript framework, version 1.7_rc2
+ * (c) 2005-2010 Sam Stephenson
*
* Prototype is freely distributable under the terms of an MIT-style license.
- * For details, see the Prototype web site: http://prototype.conio.net/
+ * For details, see the Prototype web site: http://www.prototypejs.org/
*
-/*--------------------------------------------------------------------------*/
+ *--------------------------------------------------------------------------*/
var Prototype = {
- Version: '1.5.0_rc0',
- ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
-
- emptyFunction: function() {},
- K: function(x) {return x}
-}
-var Class = {
- create: function() {
- return function() {
- this.initialize.apply(this, arguments);
+ Version: '1.7_rc2',
+
+ Browser: (function(){
+ var ua = navigator.userAgent;
+ var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]';
+ return {
+ IE: !!window.attachEvent && !isOpera,
+ Opera: isOpera,
+ WebKit: ua.indexOf('AppleWebKit/') > -1,
+ Gecko: ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
+ MobileSafari: /Apple.*Mobile/.test(ua)
}
- }
-}
+ })(),
-var Abstract = new Object();
+ BrowserFeatures: {
+ XPath: !!document.evaluate,
-Object.extend = function(destination, source) {
- for (var property in source) {
- destination[property] = source[property];
- }
- return destination;
-}
+ SelectorsAPI: !!document.querySelector,
-Object.inspect = function(object) {
- try {
- if (object == undefined) return 'undefined';
- if (object == null) return 'null';
- return object.inspect ? object.inspect() : object.toString();
- } catch (e) {
- if (e instanceof RangeError) return '...';
- throw e;
- }
-}
+ ElementExtensions: (function() {
+ var constructor = window.Element || window.HTMLElement;
+ return !!(constructor && constructor.prototype);
+ })(),
+ SpecificElementExtensions: (function() {
+ if (typeof window.HTMLDivElement !== 'undefined')
+ return true;
-Function.prototype.bind = function() {
- var __method = this, args = $A(arguments), object = args.shift();
- return function() {
- return __method.apply(object, args.concat($A(arguments)));
- }
-}
+ var div = document.createElement('div'),
+ form = document.createElement('form'),
+ isSupported = false;
-Function.prototype.bindAsEventListener = function(object) {
- var __method = this;
- return function(event) {
- return __method.call(object, event || window.event);
- }
-}
+ if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
+ isSupported = true;
+ }
-Object.extend(Number.prototype, {
- toColorPart: function() {
- var digits = this.toString(16);
- if (this < 16) return '0' + digits;
- return digits;
- },
+ div = form = null;
- succ: function() {
- return this + 1;
+ return isSupported;
+ })()
},
- times: function(iterator) {
- $R(0, this, true).each(iterator);
- return this;
- }
-});
+ ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
+ JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
+
+ emptyFunction: function() { },
+
+ K: function(x) { return x }
+};
+
+if (Prototype.Browser.MobileSafari)
+ Prototype.BrowserFeatures.SpecificElementExtensions = false;
+
+
+var Abstract = { };
+
var Try = {
these: function() {
var returnValue;
- for (var i = 0; i < arguments.length; i++) {
+ for (var i = 0, length = arguments.length; i < length; i++) {
var lambda = arguments[i];
try {
returnValue = lambda();
break;
- } catch (e) {}
+ } catch (e) { }
}
return returnValue;
}
-}
+};
-/*--------------------------------------------------------------------------*/
+/* Based on Alex Arnell's inheritance implementation. */
+
+var Class = (function() {
+
+ var IS_DONTENUM_BUGGY = (function(){
+ for (var p in { toString: 1 }) {
+ if (p === 'toString') return false;
+ }
+ return true;
+ })();
+
+ function subclass() {};
+ function create() {
+ var parent = null, properties = $A(arguments);
+ if (Object.isFunction(properties[0]))
+ parent = properties.shift();
+
+ function klass() {
+ this.initialize.apply(this, arguments);
+ }
+
+ Object.extend(klass, Class.Methods);
+ klass.superclass = parent;
+ klass.subclasses = [];
+
+ if (parent) {
+ subclass.prototype = parent.prototype;
+ klass.prototype = new subclass;
+ parent.subclasses.push(klass);
+ }
+
+ for (var i = 0, length = properties.length; i < length; i++)
+ klass.addMethods(properties[i]);
+
+ if (!klass.prototype.initialize)
+ klass.prototype.initialize = Prototype.emptyFunction;
+
+ klass.prototype.constructor = klass;
+ return klass;
+ }
+
+ function addMethods(source) {
+ var ancestor = this.superclass && this.superclass.prototype,
+ properties = Object.keys(source);
+
+ if (IS_DONTENUM_BUGGY) {
+ if (source.toString != Object.prototype.toString)
+ properties.push("toString");
+ if (source.valueOf != Object.prototype.valueOf)
+ properties.push("valueOf");
+ }
+
+ for (var i = 0, length = properties.length; i < length; i++) {
+ var property = properties[i], value = source[property];
+ if (ancestor && Object.isFunction(value) &&
+ value.argumentNames()[0] == "$super") {
+ var method = value;
+ value = (function(m) {
+ return function() { return ancestor[m].apply(this, arguments); };
+ })(property).wrap(method);
+
+ value.valueOf = method.valueOf.bind(method);
+ value.toString = method.toString.bind(method);
+ }
+ this.prototype[property] = value;
+ }
+
+ return this;
+ }
+
+ return {
+ create: create,
+ Methods: {
+ addMethods: addMethods
+ }
+ };
+})();
+(function() {
+
+ var _toString = Object.prototype.toString,
+ NULL_TYPE = 'Null',
+ UNDEFINED_TYPE = 'Undefined',
+ BOOLEAN_TYPE = 'Boolean',
+ NUMBER_TYPE = 'Number',
+ STRING_TYPE = 'String',
+ OBJECT_TYPE = 'Object',
+ BOOLEAN_CLASS = '[object Boolean]',
+ NUMBER_CLASS = '[object Number]',
+ STRING_CLASS = '[object String]',
+ ARRAY_CLASS = '[object Array]',
+ NATIVE_JSON_STRINGIFY_SUPPORT = window.JSON &&
+ typeof JSON.stringify === 'function' &&
+ JSON.stringify(0) === '0' &&
+ typeof JSON.stringify(Prototype.K) === 'undefined';
+
+ function Type(o) {
+ switch(o) {
+ case null: return NULL_TYPE;
+ case (void 0): return UNDEFINED_TYPE;
+ }
+ var type = typeof o;
+ switch(type) {
+ case 'boolean': return BOOLEAN_TYPE;
+ case 'number': return NUMBER_TYPE;
+ case 'string': return STRING_TYPE;
+ }
+ return OBJECT_TYPE;
+ }
+
+ function extend(destination, source) {
+ for (var property in source)
+ destination[property] = source[property];
+ return destination;
+ }
+
+ function inspect(object) {
+ try {
+ if (isUndefined(object)) return 'undefined';
+ if (object === null) return 'null';
+ return object.inspect ? object.inspect() : String(object);
+ } catch (e) {
+ if (e instanceof RangeError) return '...';
+ throw e;
+ }
+ }
+
+ function toJSON(value) {
+ return Str('', { '': value }, []);
+ }
+
+ function Str(key, holder, stack) {
+ var value = holder[key],
+ type = typeof value;
+
+ if (Type(value) === OBJECT_TYPE && typeof value.toJSON === 'function') {
+ value = value.toJSON(key);
+ }
+
+ var _class = _toString.call(value);
+
+ switch (_class) {
+ case NUMBER_CLASS:
+ case BOOLEAN_CLASS:
+ case STRING_CLASS:
+ value = value.valueOf();
+ }
+
+ switch (value) {
+ case null: return 'null';
+ case true: return 'true';
+ case false: return 'false';
+ }
+
+ type = typeof value;
+ switch (type) {
+ case 'string':
+ return value.inspect(true);
+ case 'number':
+ return isFinite(value) ? String(value) : 'null';
+ case 'object':
+
+ for (var i = 0, length = stack.length; i < length; i++) {
+ if (stack[i] === value) { throw new TypeError(); }
+ }
+ stack.push(value);
+
+ var partial = [];
+ if (_class === ARRAY_CLASS) {
+ for (var i = 0, length = value.length; i < length; i++) {
+ var str = Str(i, value, stack);
+ partial.push(typeof str === 'undefined' ? 'null' : str);
+ }
+ partial = '[' + partial.join(',') + ']';
+ } else {
+ var keys = Object.keys(value);
+ for (var i = 0, length = keys.length; i < length; i++) {
+ var key = keys[i], str = Str(key, value, stack);
+ if (typeof str !== "undefined") {
+ partial.push(key.inspect(true)+ ':' + str);
+ }
+ }
+ partial = '{' + partial.join(',') + '}';
+ }
+ stack.pop();
+ return partial;
+ }
+ }
+
+ function stringify(object) {
+ return JSON.stringify(object);
+ }
+
+ function toQueryString(object) {
+ return $H(object).toQueryString();
+ }
+
+ function toHTML(object) {
+ return object && object.toHTML ? object.toHTML() : String.interpret(object);
+ }
+
+ function keys(object) {
+ if (Type(object) !== OBJECT_TYPE) { throw new TypeError(); }
+ var results = [];
+ for (var property in object) {
+ if (object.hasOwnProperty(property)) {
+ results.push(property);
+ }
+ }
+ return results;
+ }
+
+ function values(object) {
+ var results = [];
+ for (var property in object)
+ results.push(object[property]);
+ return results;
+ }
+
+ function clone(object) {
+ return extend({ }, object);
+ }
+
+ function isElement(object) {
+ return !!(object && object.nodeType == 1);
+ }
+
+ function isArray(object) {
+ return _toString.call(object) === ARRAY_CLASS;
+ }
+
+ var hasNativeIsArray = (typeof Array.isArray == 'function')
+ && Array.isArray([]) && !Array.isArray({});
+
+ if (hasNativeIsArray) {
+ isArray = Array.isArray;
+ }
+
+ function isHash(object) {
+ return object instanceof Hash;
+ }
+
+ function isFunction(object) {
+ return typeof object === "function";
+ }
+
+ function isString(object) {
+ return _toString.call(object) === STRING_CLASS;
+ }
+
+ function isNumber(object) {
+ return _toString.call(object) === NUMBER_CLASS;
+ }
+
+ function isUndefined(object) {
+ return typeof object === "undefined";
+ }
+
+ extend(Object, {
+ extend: extend,
+ inspect: inspect,
+ toJSON: NATIVE_JSON_STRINGIFY_SUPPORT ? stringify : toJSON,
+ toQueryString: toQueryString,
+ toHTML: toHTML,
+ keys: Object.keys || keys,
+ values: values,
+ clone: clone,
+ isElement: isElement,
+ isArray: isArray,
+ isHash: isHash,
+ isFunction: isFunction,
+ isString: isString,
+ isNumber: isNumber,
+ isUndefined: isUndefined
+ });
+})();
+Object.extend(Function.prototype, (function() {
+ var slice = Array.prototype.slice;
+
+ function update(array, args) {
+ var arrayLength = array.length, length = args.length;
+ while (length--) array[arrayLength + length] = args[length];
+ return array;
+ }
+
+ function merge(array, args) {
+ array = slice.call(array, 0);
+ return update(array, args);
+ }
+
+ function argumentNames() {
+ var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
+ .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
+ .replace(/\s+/g, '').split(',');
+ return names.length == 1 && !names[0] ? [] : names;
+ }
+
+ function bind(context) {
+ if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
+ var __method = this, args = slice.call(arguments, 1);
+ return function() {
+ var a = merge(args, arguments);
+ return __method.apply(context, a);
+ }
+ }
+
+ function bindAsEventListener(context) {
+ var __method = this, args = slice.call(arguments, 1);
+ return function(event) {
+ var a = update([event || window.event], args);
+ return __method.apply(context, a);
+ }
+ }
+
+ function curry() {
+ if (!arguments.length) return this;
+ var __method = this, args = slice.call(arguments, 0);
+ return function() {
+ var a = merge(args, arguments);
+ return __method.apply(this, a);
+ }
+ }
+
+ function delay(timeout) {
+ var __method = this, args = slice.call(arguments, 1);
+ timeout = timeout * 1000;
+ return window.setTimeout(function() {
+ return __method.apply(__method, args);
+ }, timeout);
+ }
+
+ function defer() {
+ var args = update([0.01], arguments);
+ return this.delay.apply(this, args);
+ }
+
+ function wrap(wrapper) {
+ var __method = this;
+ return function() {
+ var a = update([__method.bind(this)], arguments);
+ return wrapper.apply(this, a);
+ }
+ }
+
+ function methodize() {
+ if (this._methodized) return this._methodized;
+ var __method = this;
+ return this._methodized = function() {
+ var a = update([this], arguments);
+ return __method.apply(null, a);
+ };
+ }
+
+ return {
+ argumentNames: argumentNames,
+ bind: bind,
+ bindAsEventListener: bindAsEventListener,
+ curry: curry,
+ delay: delay,
+ defer: defer,
+ wrap: wrap,
+ methodize: methodize
+ }
+})());
+
+
+
+(function(proto) {
+
+
+ function toISOString() {
+ return this.getUTCFullYear() + '-' +
+ (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
+ this.getUTCDate().toPaddedString(2) + 'T' +
+ this.getUTCHours().toPaddedString(2) + ':' +
+ this.getUTCMinutes().toPaddedString(2) + ':' +
+ this.getUTCSeconds().toPaddedString(2) + 'Z';
+ }
+
+
+ function toJSON() {
+ return this.toISOString();
+ }
+
+ if (!proto.toISOString) proto.toISOString = toISOString;
+ if (!proto.toJSON) proto.toJSON = toJSON;
+
+})(Date.prototype);
-var PeriodicalExecuter = Class.create();
-PeriodicalExecuter.prototype = {
+
+RegExp.prototype.match = RegExp.prototype.test;
+
+RegExp.escape = function(str) {
+ return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
+};
+var PeriodicalExecuter = Class.create({
initialize: function(callback, frequency) {
this.callback = callback;
this.frequency = frequency;
},
registerCallback: function() {
- setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
+ 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.callback();
- } finally {
+ this.execute();
this.currentlyExecuting = false;
+ } catch(e) {
+ this.currentlyExecuting = false;
+ throw e;
}
}
}
-}
-Object.extend(String.prototype, {
- gsub: function(pattern, replacement) {
+});
+Object.extend(String, {
+ interpret: function(value) {
+ return value == null ? '' : String(value);
+ },
+ specialChar: {
+ '\b': '\\b',
+ '\t': '\\t',
+ '\n': '\\n',
+ '\f': '\\f',
+ '\r': '\\r',
+ '\\': '\\\\'
+ }
+});
+
+Object.extend(String.prototype, (function() {
+ var NATIVE_JSON_PARSE_SUPPORT = window.JSON &&
+ typeof JSON.parse === 'function' &&
+ JSON.parse('{"test": true}').test;
+
+ function prepareReplacement(replacement) {
+ if (Object.isFunction(replacement)) return replacement;
+ var template = new Template(replacement);
+ return function(match) { return template.evaluate(match) };
+ }
+
+ function gsub(pattern, replacement) {
var result = '', source = this, match;
- replacement = arguments.callee.prepareReplacement(replacement);
+ replacement = prepareReplacement(replacement);
+
+ if (Object.isString(pattern))
+ pattern = RegExp.escape(pattern);
+
+ if (!(pattern.length || pattern.source)) {
+ replacement = replacement('');
+ return replacement + source.split('').join(replacement) + replacement;
+ }
while (source.length > 0) {
if (match = source.match(pattern)) {
result += source.slice(0, match.index);
- result += (replacement(match) || '').toString();
+ result += String.interpret(replacement(match));
source = source.slice(match.index + match[0].length);
} else {
result += source, source = '';
}
}
return result;
- },
+ }
- sub: function(pattern, replacement, count) {
- replacement = this.gsub.prepareReplacement(replacement);
- count = count === undefined ? 1 : count;
+ function sub(pattern, replacement, count) {
+ replacement = prepareReplacement(replacement);
+ count = Object.isUndefined(count) ? 1 : count;
return this.gsub(pattern, function(match) {
if (--count < 0) return match[0];
return replacement(match);
});
- },
+ }
- scan: function(pattern, iterator) {
+ function scan(pattern, iterator) {
this.gsub(pattern, iterator);
- return this;
- },
+ return String(this);
+ }
- truncate: function(length, truncation) {
+ function truncate(length, truncation) {
length = length || 30;
- truncation = truncation === undefined ? '...' : truncation;
+ truncation = Object.isUndefined(truncation) ? '...' : truncation;
return this.length > length ?
- this.slice(0, length - truncation.length) + truncation : this;
- },
+ this.slice(0, length - truncation.length) + truncation : String(this);
+ }
- strip: function() {
+ function strip() {
return this.replace(/^\s+/, '').replace(/\s+$/, '');
- },
+ }
- stripTags: function() {
- return this.replace(/<\/?[^>]+>/gi, '');
- },
+ function stripTags() {
+ return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, '');
+ }
- stripScripts: function() {
+ function stripScripts() {
return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
- },
+ }
- extractScripts: function() {
- var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
- var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
+ function extractScripts() {
+ var matchAll = new RegExp(Prototype.ScriptFragment, 'img'),
+ matchOne = new RegExp(Prototype.ScriptFragment, 'im');
return (this.match(matchAll) || []).map(function(scriptTag) {
return (scriptTag.match(matchOne) || ['', ''])[1];
});
- },
+ }
- evalScripts: function() {
+ function evalScripts() {
return this.extractScripts().map(function(script) { return eval(script) });
- },
+ }
- escapeHTML: function() {
- var div = document.createElement('div');
- var text = document.createTextNode(this);
- div.appendChild(text);
- return div.innerHTML;
- },
+ function escapeHTML() {
+ return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
+ }
+
+ function unescapeHTML() {
+ return this.stripTags().replace(/</g,'<').replace(/>/g,'>').replace(/&/g,'&');
+ }
- unescapeHTML: function() {
- var div = document.createElement('div');
- div.innerHTML = this.stripTags();
- return div.childNodes[0] ? div.childNodes[0].nodeValue : '';
- },
- toQueryParams: function() {
- var pairs = this.match(/^\??(.*)$/)[1].split('&');
- return pairs.inject({}, function(params, pairString) {
- var pair = pairString.split('=');
- params[pair[0]] = pair[1];
- return params;
+ function toQueryParams(separator) {
+ var match = this.strip().match(/([^?#]*)(#.*)?$/);
+ if (!match) return { };
+
+ return match[1].split(separator || '&').inject({ }, function(hash, pair) {
+ if ((pair = pair.split('='))[0]) {
+ var key = decodeURIComponent(pair.shift()),
+ value = pair.length > 1 ? pair.join('=') : pair[0];
+
+ if (value != undefined) value = decodeURIComponent(value);
+
+ if (key in hash) {
+ if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
+ hash[key].push(value);
+ }
+ else hash[key] = value;
+ }
+ return hash;
});
- },
+ }
- toArray: function() {
+ function toArray() {
return this.split('');
- },
+ }
+
+ function succ() {
+ return this.slice(0, this.length - 1) +
+ String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
+ }
+
+ function times(count) {
+ return count < 1 ? '' : new Array(count + 1).join(this);
+ }
+
+ function camelize() {
+ return this.replace(/-+(.)?/g, function(match, chr) {
+ return chr ? chr.toUpperCase() : '';
+ });
+ }
+
+ function capitalize() {
+ return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
+ }
+
+ function underscore() {
+ return this.replace(/::/g, '/')
+ .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
+ .replace(/([a-z\d])([A-Z])/g, '$1_$2')
+ .replace(/-/g, '_')
+ .toLowerCase();
+ }
- camelize: function() {
- var oStringList = this.split('-');
- if (oStringList.length == 1) return oStringList[0];
+ function dasherize() {
+ return this.replace(/_/g, '-');
+ }
+
+ function inspect(useDoubleQuotes) {
+ var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) {
+ if (character in String.specialChar) {
+ return String.specialChar[character];
+ }
+ return '\\u00' + character.charCodeAt().toPaddedString(2, 16);
+ });
+ if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
+ return "'" + escapedString.replace(/'/g, '\\\'') + "'";
+ }
+
+ function unfilterJSON(filter) {
+ return this.replace(filter || Prototype.JSONFilter, '$1');
+ }
- var camelizedString = this.indexOf('-') == 0
- ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)
- : oStringList[0];
+ function isJSON() {
+ var str = this;
+ if (str.blank()) return false;
+ str = str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@');
+ str = str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']');
+ str = str.replace(/(?:^|:|,)(?:\s*\[)+/g, '');
+ return (/^[\],:{}\s]*$/).test(str);
+ }
- for (var i = 1, len = oStringList.length; i < len; i++) {
- var s = oStringList[i];
- camelizedString += s.charAt(0).toUpperCase() + s.substring(1);
+ function evalJSON(sanitize) {
+ var json = this.unfilterJSON(),
+ cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
+ if (cx.test(json)) {
+ json = json.replace(cx, function (a) {
+ return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+ });
}
+ try {
+ if (!sanitize || json.isJSON()) return eval('(' + json + ')');
+ } catch (e) { }
+ throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
+ }
- return camelizedString;
- },
+ function parseJSON() {
+ var json = this.unfilterJSON();
+ return JSON.parse(json);
+ }
- inspect: function() {
- return "'" + this.replace(/\\/g, '\\\\').replace(/'/g, '\\\'') + "'";
+ function include(pattern) {
+ return this.indexOf(pattern) > -1;
}
-});
-String.prototype.gsub.prepareReplacement = function(replacement) {
- if (typeof replacement == 'function') return replacement;
- var template = new Template(replacement);
- return function(match) { return template.evaluate(match) };
-}
+ function startsWith(pattern) {
+ return this.lastIndexOf(pattern, 0) === 0;
+ }
-String.prototype.parseQuery = String.prototype.toQueryParams;
+ function endsWith(pattern) {
+ var d = this.length - pattern.length;
+ return d >= 0 && this.indexOf(pattern, d) === d;
+ }
-var Template = Class.create();
-Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
-Template.prototype = {
+ function empty() {
+ return this == '';
+ }
+
+ function blank() {
+ return /^\s*$/.test(this);
+ }
+
+ function interpolate(object, pattern) {
+ return new Template(this, pattern).evaluate(object);
+ }
+
+ return {
+ gsub: gsub,
+ sub: sub,
+ scan: scan,
+ truncate: truncate,
+ strip: String.prototype.trim || strip,
+ stripTags: stripTags,
+ stripScripts: stripScripts,
+ extractScripts: extractScripts,
+ evalScripts: evalScripts,
+ escapeHTML: escapeHTML,
+ unescapeHTML: unescapeHTML,
+ toQueryParams: toQueryParams,
+ parseQuery: toQueryParams,
+ toArray: toArray,
+ succ: succ,
+ times: times,
+ camelize: camelize,
+ capitalize: capitalize,
+ underscore: underscore,
+ dasherize: dasherize,
+ inspect: inspect,
+ unfilterJSON: unfilterJSON,
+ isJSON: isJSON,
+ evalJSON: NATIVE_JSON_PARSE_SUPPORT ? parseJSON : evalJSON,
+ include: include,
+ startsWith: startsWith,
+ endsWith: endsWith,
+ empty: empty,
+ blank: blank,
+ interpolate: interpolate
+ };
+})());
+
+var Template = Class.create({
initialize: function(template, pattern) {
this.template = template.toString();
- this.pattern = pattern || Template.Pattern;
+ this.pattern = pattern || Template.Pattern;
},
evaluate: function(object) {
+ if (object && Object.isFunction(object.toTemplateReplacements))
+ object = object.toTemplateReplacements();
+
return this.template.gsub(this.pattern, function(match) {
- var before = match[1];
+ if (object == null) return (match[1] + '');
+
+ var before = match[1] || '';
if (before == '\\') return match[2];
- return before + (object[match[3]] || '').toString();
- });
- }
-}
-var $break = new Object();
-var $continue = new Object();
+ var ctx = object, expr = match[3],
+ pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
-var Enumerable = {
- each: function(iterator) {
- var index = 0;
- try {
- this._each(function(value) {
- try {
- iterator(value, index++);
- } catch (e) {
- if (e != $continue) throw e;
- }
+ match = pattern.exec(expr);
+ if (match == null) return before;
+
+ while (match != null) {
+ var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1];
+ ctx = ctx[comp];
+ if (null == ctx || '' == match[3]) break;
+ expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
+ match = pattern.exec(expr);
+ }
+
+ return before + String.interpret(ctx);
+ });
+ }
+});
+Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
+
+var $break = { };
+
+var Enumerable = (function() {
+ function each(iterator, context) {
+ var index = 0;
+ try {
+ this._each(function(value) {
+ iterator.call(context, value, index++);
});
} catch (e) {
if (e != $break) throw e;
}
- },
+ return this;
+ }
+
+ function eachSlice(number, iterator, context) {
+ var index = -number, slices = [], array = this.toArray();
+ if (number < 1) return array;
+ while ((index += number) < array.length)
+ slices.push(array.slice(index, index+number));
+ return slices.collect(iterator, context);
+ }
- all: function(iterator) {
+ function all(iterator, context) {
+ iterator = iterator || Prototype.K;
var result = true;
this.each(function(value, index) {
- result = result && !!(iterator || Prototype.K)(value, index);
+ result = result && !!iterator.call(context, value, index);
if (!result) throw $break;
});
return result;
- },
+ }
- any: function(iterator) {
- var result = true;
+ function any(iterator, context) {
+ iterator = iterator || Prototype.K;
+ var result = false;
this.each(function(value, index) {
- if (result = !!(iterator || Prototype.K)(value, index))
+ if (result = !!iterator.call(context, value, index))
throw $break;
});
return result;
- },
+ }
- collect: function(iterator) {
+ function collect(iterator, context) {
+ iterator = iterator || Prototype.K;
var results = [];
this.each(function(value, index) {
- results.push(iterator(value, index));
+ results.push(iterator.call(context, value, index));
});
return results;
- },
+ }
- detect: function (iterator) {
+ function detect(iterator, context) {
var result;
this.each(function(value, index) {
- if (iterator(value, index)) {
+ if (iterator.call(context, value, index)) {
result = value;
throw $break;
}
});
return result;
- },
+ }
- findAll: function(iterator) {
+ function findAll(iterator, context) {
var results = [];
this.each(function(value, index) {
- if (iterator(value, index))
+ if (iterator.call(context, value, index))
results.push(value);
});
return results;
- },
+ }
- grep: function(pattern, iterator) {
+ function grep(filter, iterator, context) {
+ iterator = iterator || Prototype.K;
var results = [];
+
+ if (Object.isString(filter))
+ filter = new RegExp(RegExp.escape(filter));
+
this.each(function(value, index) {
- var stringValue = value.toString();
- if (stringValue.match(pattern))
- results.push((iterator || Prototype.K)(value, index));
- })
+ if (filter.match(value))
+ results.push(iterator.call(context, value, index));
+ });
return results;
- },
+ }
+
+ function include(object) {
+ if (Object.isFunction(this.indexOf))
+ if (this.indexOf(object) != -1) return true;
- include: function(object) {
var found = false;
this.each(function(value) {
if (value == object) {
}
});
return found;
- },
+ }
+
+ function inGroupsOf(number, fillWith) {
+ fillWith = Object.isUndefined(fillWith) ? null : fillWith;
+ return this.eachSlice(number, function(slice) {
+ while(slice.length < number) slice.push(fillWith);
+ return slice;
+ });
+ }
- inject: function(memo, iterator) {
+ function inject(memo, iterator, context) {
this.each(function(value, index) {
- memo = iterator(memo, value, index);
+ memo = iterator.call(context, memo, value, index);
});
return memo;
- },
+ }
- invoke: function(method) {
+ function invoke(method) {
var args = $A(arguments).slice(1);
- return this.collect(function(value) {
+ return this.map(function(value) {
return value[method].apply(value, args);
});
- },
+ }
- max: function(iterator) {
+ function max(iterator, context) {
+ iterator = iterator || Prototype.K;
var result;
this.each(function(value, index) {
- value = (iterator || Prototype.K)(value, index);
- if (result == undefined || value >= result)
+ value = iterator.call(context, value, index);
+ if (result == null || value >= result)
result = value;
});
return result;
- },
+ }
- min: function(iterator) {
+ function min(iterator, context) {
+ iterator = iterator || Prototype.K;
var result;
this.each(function(value, index) {
- value = (iterator || Prototype.K)(value, index);
- if (result == undefined || value < result)
+ value = iterator.call(context, value, index);
+ if (result == null || value < result)
result = value;
});
return result;
- },
+ }
- partition: function(iterator) {
+ function partition(iterator, context) {
+ iterator = iterator || Prototype.K;
var trues = [], falses = [];
this.each(function(value, index) {
- ((iterator || Prototype.K)(value, index) ?
+ (iterator.call(context, value, index) ?
trues : falses).push(value);
});
return [trues, falses];
- },
+ }
- pluck: function(property) {
+ function pluck(property) {
var results = [];
- this.each(function(value, index) {
+ this.each(function(value) {
results.push(value[property]);
});
return results;
- },
+ }
- reject: function(iterator) {
+ function reject(iterator, context) {
var results = [];
this.each(function(value, index) {
- if (!iterator(value, index))
+ if (!iterator.call(context, value, index))
results.push(value);
});
return results;
- },
+ }
- sortBy: function(iterator) {
- return this.collect(function(value, index) {
- return {value: value, criteria: iterator(value, index)};
+ function sortBy(iterator, context) {
+ return this.map(function(value, index) {
+ return {
+ value: value,
+ criteria: iterator.call(context, value, index)
+ };
}).sort(function(left, right) {
var a = left.criteria, b = right.criteria;
return a < b ? -1 : a > b ? 1 : 0;
}).pluck('value');
- },
+ }
- toArray: function() {
- return this.collect(Prototype.K);
- },
+ function toArray() {
+ return this.map();
+ }
- zip: function() {
+ function zip() {
var iterator = Prototype.K, args = $A(arguments);
- if (typeof args.last() == 'function')
+ if (Object.isFunction(args.last()))
iterator = args.pop();
var collections = [this].concat(args).map($A);
return this.map(function(value, index) {
return iterator(collections.pluck(index));
});
- },
+ }
+
+ function size() {
+ return this.toArray().length;
+ }
- inspect: function() {
+ function inspect() {
return '#<Enumerable:' + this.toArray().inspect() + '>';
}
-}
-Object.extend(Enumerable, {
- map: Enumerable.collect,
- find: Enumerable.detect,
- select: Enumerable.findAll,
- member: Enumerable.include,
- entries: Enumerable.toArray
-});
-var $A = Array.from = function(iterable) {
+
+
+
+
+
+
+
+
+ return {
+ each: each,
+ eachSlice: eachSlice,
+ all: all,
+ every: all,
+ any: any,
+ some: any,
+ collect: collect,
+ map: collect,
+ detect: detect,
+ findAll: findAll,
+ select: findAll,
+ filter: findAll,
+ grep: grep,
+ include: include,
+ member: include,
+ inGroupsOf: inGroupsOf,
+ inject: inject,
+ invoke: invoke,
+ max: max,
+ min: min,
+ partition: partition,
+ pluck: pluck,
+ reject: reject,
+ sortBy: sortBy,
+ toArray: toArray,
+ entries: toArray,
+ zip: zip,
+ size: size,
+ inspect: inspect,
+ find: detect
+ };
+})();
+
+function $A(iterable) {
if (!iterable) return [];
- if (iterable.toArray) {
- return iterable.toArray();
- } else {
- var results = [];
- for (var i = 0; i < iterable.length; i++)
- results.push(iterable[i]);
- return results;
- }
+ if ('toArray' in Object(iterable)) return iterable.toArray();
+ var length = iterable.length || 0, results = new Array(length);
+ while (length--) results[length] = iterable[length];
+ return results;
}
-Object.extend(Array.prototype, Enumerable);
-if (!Array.prototype._reverse)
- Array.prototype._reverse = Array.prototype.reverse;
+function $w(string) {
+ if (!Object.isString(string)) return [];
+ string = string.strip();
+ return string ? string.split(/\s+/) : [];
+}
+
+Array.from = $A;
-Object.extend(Array.prototype, {
- _each: function(iterator) {
- for (var i = 0; i < this.length; i++)
+
+(function() {
+ var arrayProto = Array.prototype,
+ slice = arrayProto.slice,
+ _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available
+
+ function each(iterator) {
+ for (var i = 0, length = this.length; i < length; i++)
iterator(this[i]);
- },
+ }
+ if (!_each) _each = each;
- clear: function() {
+ function clear() {
this.length = 0;
return this;
- },
+ }
- first: function() {
+ function first() {
return this[0];
- },
+ }
- last: function() {
+ function last() {
return this[this.length - 1];
- },
+ }
- compact: function() {
+ function compact() {
return this.select(function(value) {
- return value != undefined || value != null;
+ return value != null;
});
- },
+ }
- flatten: function() {
+ function flatten() {
return this.inject([], function(array, value) {
- return array.concat(value && value.constructor == Array ?
- value.flatten() : [value]);
+ if (Object.isArray(value))
+ return array.concat(value.flatten());
+ array.push(value);
+ return array;
});
- },
+ }
- without: function() {
- var values = $A(arguments);
+ function without() {
+ var values = slice.call(arguments, 0);
return this.select(function(value) {
return !values.include(value);
});
- },
+ }
- indexOf: function(object) {
- for (var i = 0; i < this.length; i++)
- if (this[i] == object) return i;
- return -1;
- },
+ function reverse(inline) {
+ return (inline === false ? this.toArray() : this)._reverse();
+ }
- reverse: function(inline) {
- return (inline !== false ? this : this.toArray())._reverse();
- },
+ function uniq(sorted) {
+ return this.inject([], function(array, value, index) {
+ if (0 == index || (sorted ? array.last() != value : !array.include(value)))
+ array.push(value);
+ return array;
+ });
+ }
+
+ function intersect(array) {
+ return this.uniq().findAll(function(item) {
+ return array.detect(function(value) { return item === value });
+ });
+ }
+
+
+ function clone() {
+ return slice.call(this, 0);
+ }
- inspect: function() {
+ function size() {
+ return this.length;
+ }
+
+ function inspect() {
return '[' + this.map(Object.inspect).join(', ') + ']';
}
-});
-var Hash = {
- _each: function(iterator) {
- for (var key in this) {
- var value = this[key];
- if (typeof value == 'function') continue;
- var pair = [key, value];
+ function indexOf(item, i) {
+ i || (i = 0);
+ var length = this.length;
+ if (i < 0) i = length + i;
+ for (; i < length; i++)
+ if (this[i] === item) return i;
+ return -1;
+ }
+
+ function lastIndexOf(item, i) {
+ i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
+ var n = this.slice(0, i).reverse().indexOf(item);
+ return (n < 0) ? n : i - n - 1;
+ }
+
+ function concat() {
+ var array = slice.call(this, 0), item;
+ for (var i = 0, length = arguments.length; i < length; i++) {
+ item = arguments[i];
+ if (Object.isArray(item) && !('callee' in item)) {
+ for (var j = 0, arrayLength = item.length; j < arrayLength; j++)
+ array.push(item[j]);
+ } else {
+ array.push(item);
+ }
+ }
+ return array;
+ }
+
+ Object.extend(arrayProto, Enumerable);
+
+ if (!arrayProto._reverse)
+ arrayProto._reverse = arrayProto.reverse;
+
+ Object.extend(arrayProto, {
+ _each: _each,
+ clear: clear,
+ first: first,
+ last: last,
+ compact: compact,
+ flatten: flatten,
+ without: without,
+ reverse: reverse,
+ uniq: uniq,
+ intersect: intersect,
+ clone: clone,
+ toArray: clone,
+ size: size,
+ inspect: inspect
+ });
+
+ var CONCAT_ARGUMENTS_BUGGY = (function() {
+ return [].concat(arguments)[0][0] !== 1;
+ })(1,2)
+
+ if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;
+
+ if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
+ if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
+})();
+function $H(object) {
+ return new Hash(object);
+};
+
+var Hash = Class.create(Enumerable, (function() {
+ function initialize(object) {
+ this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
+ }
+
+
+ function _each(iterator) {
+ for (var key in this._object) {
+ var value = this._object[key], pair = [key, value];
pair.key = key;
pair.value = value;
iterator(pair);
}
- },
+ }
+
+ function set(key, value) {
+ return this._object[key] = value;
+ }
+
+ function get(key) {
+ if (this._object[key] !== Object.prototype[key])
+ return this._object[key];
+ }
+
+ function unset(key) {
+ var value = this._object[key];
+ delete this._object[key];
+ return value;
+ }
- keys: function() {
+ function toObject() {
+ return Object.clone(this._object);
+ }
+
+
+
+ function keys() {
return this.pluck('key');
- },
+ }
- values: function() {
+ function values() {
return this.pluck('value');
- },
+ }
- merge: function(hash) {
- return $H(hash).inject($H(this), function(mergedHash, pair) {
- mergedHash[pair.key] = pair.value;
- return mergedHash;
+ function index(value) {
+ var match = this.detect(function(pair) {
+ return pair.value === value;
});
- },
+ return match && match.key;
+ }
+
+ function merge(object) {
+ return this.clone().update(object);
+ }
+
+ function update(object) {
+ return new Hash(object).inject(this, function(result, pair) {
+ result.set(pair.key, pair.value);
+ return result;
+ });
+ }
+
+ function toQueryPair(key, value) {
+ if (Object.isUndefined(value)) return key;
+ return key + '=' + encodeURIComponent(String.interpret(value));
+ }
+
+ function toQueryString() {
+ return this.inject([], function(results, pair) {
+ var key = encodeURIComponent(pair.key), values = pair.value;
- toQueryString: function() {
- return this.map(function(pair) {
- return pair.map(encodeURIComponent).join('=');
+ if (values && typeof values == 'object') {
+ if (Object.isArray(values))
+ return results.concat(values.map(toQueryPair.curry(key)));
+ } else results.push(toQueryPair(key, values));
+ return results;
}).join('&');
- },
+ }
- inspect: function() {
+ function inspect() {
return '#<Hash:{' + this.map(function(pair) {
return pair.map(Object.inspect).join(': ');
}).join(', ') + '}>';
}
-}
-function $H(object) {
- var hash = Object.extend({}, object || {});
- Object.extend(hash, Enumerable);
- Object.extend(hash, Hash);
- return hash;
+ function clone() {
+ return new Hash(this);
+ }
+
+ return {
+ initialize: initialize,
+ _each: _each,
+ set: set,
+ get: get,
+ unset: unset,
+ toObject: toObject,
+ toTemplateReplacements: toObject,
+ keys: keys,
+ values: values,
+ index: index,
+ merge: merge,
+ update: update,
+ toQueryString: toQueryString,
+ inspect: inspect,
+ toJSON: toObject,
+ clone: clone
+ };
+})());
+
+Hash.from = $H;
+Object.extend(Number.prototype, (function() {
+ function toColorPart() {
+ return this.toPaddedString(2, 16);
+ }
+
+ function succ() {
+ return this + 1;
+ }
+
+ function times(iterator, context) {
+ $R(0, this, true).each(iterator, context);
+ return this;
+ }
+
+ function toPaddedString(length, radix) {
+ var string = this.toString(radix || 10);
+ return '0'.times(length - string.length) + string;
+ }
+
+ function abs() {
+ return Math.abs(this);
+ }
+
+ function round() {
+ return Math.round(this);
+ }
+
+ function ceil() {
+ return Math.ceil(this);
+ }
+
+ function floor() {
+ return Math.floor(this);
+ }
+
+ return {
+ toColorPart: toColorPart,
+ succ: succ,
+ times: times,
+ toPaddedString: toPaddedString,
+ abs: abs,
+ round: round,
+ ceil: ceil,
+ floor: floor
+ };
+})());
+
+function $R(start, end, exclusive) {
+ return new ObjectRange(start, end, exclusive);
}
-ObjectRange = Class.create();
-Object.extend(ObjectRange.prototype, Enumerable);
-Object.extend(ObjectRange.prototype, {
- initialize: function(start, end, exclusive) {
+
+var ObjectRange = Class.create(Enumerable, (function() {
+ function initialize(start, end, exclusive) {
this.start = start;
this.end = end;
this.exclusive = exclusive;
- },
+ }
- _each: function(iterator) {
+ function _each(iterator) {
var value = this.start;
- do {
+ while (this.include(value)) {
iterator(value);
value = value.succ();
- } while (this.include(value));
- },
+ }
+ }
- include: function(value) {
+ function include(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);
-}
+ return {
+ initialize: initialize,
+ _each: _each,
+ include: include
+ };
+})());
+
+
var Ajax = {
getTransport: function() {
},
activeRequestCount: 0
-}
+};
Ajax.Responders = {
responders: [],
this.responders._each(iterator);
},
- register: function(responderToAdd) {
- if (!this.include(responderToAdd))
- this.responders.push(responderToAdd);
+ register: function(responder) {
+ if (!this.include(responder))
+ this.responders.push(responder);
},
- unregister: function(responderToRemove) {
- this.responders = this.responders.without(responderToRemove);
+ unregister: function(responder) {
+ this.responders = this.responders.without(responder);
},
dispatch: function(callback, request, transport, json) {
this.each(function(responder) {
- if (responder[callback] && typeof responder[callback] == 'function') {
+ if (Object.isFunction(responder[callback])) {
try {
responder[callback].apply(responder, [request, transport, json]);
- } catch (e) {}
+ } catch (e) { }
}
});
}
Object.extend(Ajax.Responders, Enumerable);
Ajax.Responders.register({
- onCreate: function() {
- Ajax.activeRequestCount++;
- },
-
- onComplete: function() {
- Ajax.activeRequestCount--;
- }
+ onCreate: function() { Ajax.activeRequestCount++ },
+ onComplete: function() { Ajax.activeRequestCount-- }
});
-
-Ajax.Base = function() {};
-Ajax.Base.prototype = {
- setOptions: function(options) {
+Ajax.Base = Class.create({
+ initialize: function(options) {
this.options = {
method: 'post',
asynchronous: true,
contentType: 'application/x-www-form-urlencoded',
- parameters: ''
- }
- Object.extend(this.options, options || {});
- },
-
- responseIsSuccess: function() {
- return this.transport.status == undefined
- || this.transport.status == 0
- || (this.transport.status >= 200 && this.transport.status < 300);
- },
-
- responseIsFailure: function() {
- return !this.responseIsSuccess();
+ 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.Request.Events =
- ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
+});
+Ajax.Request = Class.create(Ajax.Base, {
+ _complete: false,
-Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
- initialize: function(url, options) {
+ initialize: function($super, url, options) {
+ $super(options);
this.transport = Ajax.getTransport();
- this.setOptions(options);
this.request(url);
},
request: function(url) {
- var parameters = this.options.parameters || '';
- if (parameters.length > 0) parameters += '&_=';
+ this.url = url;
+ this.method = this.options.method;
+ var params = Object.clone(this.options.parameters);
- try {
- this.url = url;
- if (this.options.method == 'get' && parameters.length > 0)
- this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;
+ if (!['get', 'post'].include(this.method)) {
+ params['_method'] = this.method;
+ this.method = 'post';
+ }
+
+ this.parameters = params;
- Ajax.Responders.dispatch('onCreate', this, this.transport);
+ if (params = Object.toQueryString(params)) {
+ 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.options.method, this.url,
+ this.transport.open(this.method.toUpperCase(), this.url,
this.options.asynchronous);
- if (this.options.asynchronous) {
- this.transport.onreadystatechange = this.onStateChange.bind(this);
- setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
- }
+ if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
+ this.transport.onreadystatechange = this.onStateChange.bind(this);
this.setRequestHeaders();
- var body = this.options.postBody ? this.options.postBody : parameters;
- this.transport.send(this.options.method == 'post' ? body : null);
+ this.body = this.method == 'post' ? (this.options.postBody || params) : null;
+ this.transport.send(this.body);
- } catch (e) {
+ /* Force Firefox to handle ready state 4 for synchronous requests */
+ if (!this.options.asynchronous && this.transport.overrideMimeType)
+ this.onStateChange();
+
+ }
+ catch (e) {
this.dispatchException(e);
}
},
- setRequestHeaders: function() {
- var requestHeaders =
- ['X-Requested-With', 'XMLHttpRequest',
- 'X-Prototype-Version', Prototype.Version,
- 'Accept', 'text/javascript, text/html, application/xml, text/xml, */*'];
-
- if (this.options.method == 'post') {
- requestHeaders.push('Content-type', this.options.contentType);
+ onStateChange: function() {
+ var readyState = this.transport.readyState;
+ if (readyState > 1 && !((readyState == 4) && this._complete))
+ this.respondToReadyState(this.transport.readyState);
+ },
- /* Force "Connection: close" for Mozilla browsers to work around
- * a bug where XMLHttpReqeuest sends an incorrect Content-length
- * header. See Mozilla Bugzilla #246651.
+ 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)
- requestHeaders.push('Connection', 'close');
+ if (this.transport.overrideMimeType &&
+ (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
+ headers['Connection'] = 'close';
}
- if (this.options.requestHeaders)
- requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);
-
- for (var i = 0; i < requestHeaders.length; i += 2)
- this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
- },
+ if (typeof this.options.requestHeaders == 'object') {
+ var extras = this.options.requestHeaders;
- onStateChange: function() {
- var readyState = this.transport.readyState;
- if (readyState != 1)
- this.respondToReadyState(this.transport.readyState);
- },
+ if (Object.isFunction(extras.push))
+ for (var i = 0, length = extras.length; i < length; i += 2)
+ headers[extras[i]] = extras[i+1];
+ else
+ $H(extras).each(function(pair) { headers[pair.key] = pair.value });
+ }
- header: function(name) {
- try {
- return this.transport.getResponseHeader(name);
- } catch (e) {}
+ for (var name in headers)
+ this.transport.setRequestHeader(name, headers[name]);
},
- evalJSON: function() {
- try {
- return eval('(' + this.header('X-JSON') + ')');
- } catch (e) {}
+ success: function() {
+ var status = this.getStatus();
+ return !status || (status >= 200 && status < 300);
},
- evalResponse: function() {
+ getStatus: function() {
try {
- return eval(this.transport.responseText);
- } catch (e) {
- this.dispatchException(e);
- }
+ return this.transport.status || 0;
+ } catch (e) { return 0 }
},
respondToReadyState: function(readyState) {
- var event = Ajax.Request.Events[readyState];
- var transport = this.transport, json = this.evalJSON();
+ var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
- if (event == 'Complete') {
+ if (state == 'Complete') {
try {
- (this.options['on' + this.transport.status]
- || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
- || Prototype.emptyFunction)(transport, json);
+ this._complete = true;
+ (this.options['on' + response.status]
+ || this.options['on' + (this.success() ? 'Success' : 'Failure')]
+ || Prototype.emptyFunction)(response, response.headerJSON);
} catch (e) {
this.dispatchException(e);
}
- if ((this.header('Content-type') || '').match(/^text\/javascript/i))
+ var contentType = response.getHeader('Content-type');
+ if (this.options.evalJS == 'force'
+ || (this.options.evalJS && this.isSameOrigin() && contentType
+ && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
this.evalResponse();
}
try {
- (this.options['on' + event] || Prototype.emptyFunction)(transport, json);
- Ajax.Responders.dispatch('on' + event, this, transport, json);
+ (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
+ Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
} catch (e) {
this.dispatchException(e);
}
- /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
- if (event == 'Complete')
+ if (state == 'Complete') {
this.transport.onreadystatechange = Prototype.emptyFunction;
+ }
},
- dispatchException: function(exception) {
- (this.options.onException || Prototype.emptyFunction)(this, exception);
- Ajax.Responders.dispatch('onException', this, exception);
- }
-});
+ isSameOrigin: function() {
+ var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
+ return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
+ protocol: location.protocol,
+ domain: document.domain,
+ port: location.port ? ':' + location.port : ''
+ }));
+ },
-Ajax.Updater = Class.create();
+ getHeader: function(name) {
+ try {
+ return this.transport.getResponseHeader(name) || null;
+ } catch (e) { return null; }
+ },
-Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
- initialize: function(container, url, options) {
- this.containers = {
- success: container.success ? $(container.success) : $(container),
- failure: container.failure ? $(container.failure) :
- (container.success ? null : $(container))
+ evalResponse: function() {
+ try {
+ return eval((this.transport.responseText || '').unfilterJSON());
+ } catch (e) {
+ this.dispatchException(e);
}
+ },
- this.transport = Ajax.getTransport();
- this.setOptions(options);
+ dispatchException: function(exception) {
+ (this.options.onException || Prototype.emptyFunction)(this, exception);
+ Ajax.Responders.dispatch('onException', this, exception);
+ }
+});
- var onComplete = this.options.onComplete || Prototype.emptyFunction;
- this.options.onComplete = (function(transport, object) {
- this.updateContent();
- onComplete(transport, object);
- }).bind(this);
+Ajax.Request.Events =
+ ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
- this.request(url);
+
+
+
+
+
+
+
+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();
+ }
},
- updateContent: function() {
- var receiver = this.responseIsSuccess() ?
- this.containers.success : this.containers.failure;
- var response = this.transport.responseText;
+ status: 0,
- if (!this.options.evalScripts)
- response = response.stripScripts();
+ statusText: '',
- if (receiver) {
- if (this.options.insertion) {
- new this.options.insertion(receiver, response);
- } else {
- Element.update(receiver, response);
- }
+ getStatus: Ajax.Request.prototype.getStatus,
+
+ getStatusText: function() {
+ try {
+ return this.transport.statusText || '';
+ } catch (e) { return '' }
+ },
+
+ getHeader: Ajax.Request.prototype.getHeader,
+
+ getAllHeaders: function() {
+ try {
+ return this.getAllResponseHeaders();
+ } catch (e) { return null }
+ },
+
+ getResponseHeader: function(name) {
+ return this.transport.getResponseHeader(name);
+ },
+
+ getAllResponseHeaders: function() {
+ return this.transport.getAllResponseHeaders();
+ },
+
+ _getHeaderJSON: function() {
+ var json = this.getHeader('X-JSON');
+ if (!json) return null;
+ json = decodeURIComponent(escape(json));
+ try {
+ return json.evalJSON(this.request.options.sanitizeJSON ||
+ !this.request.isSameOrigin());
+ } catch (e) {
+ this.request.dispatchException(e);
+ }
+ },
+
+ _getResponseJSON: function() {
+ var options = this.request.options;
+ if (!options.evalJSON || (options.evalJSON != 'force' &&
+ !(this.getHeader('Content-type') || '').include('application/json')) ||
+ this.responseText.blank())
+ return null;
+ try {
+ return this.responseText.evalJSON(options.sanitizeJSON ||
+ !this.request.isSameOrigin());
+ } catch (e) {
+ this.request.dispatchException(e);
}
+ }
+});
+
+Ajax.Updater = Class.create(Ajax.Request, {
+ initialize: function($super, container, url, options) {
+ this.container = {
+ success: (container.success || container),
+ failure: (container.failure || (container.success ? null : container))
+ };
+
+ options = Object.clone(options);
+ var onComplete = options.onComplete;
+ options.onComplete = (function(response, json) {
+ this.updateContent(response.responseText);
+ if (Object.isFunction(onComplete)) onComplete(response, json);
+ }).bind(this);
+
+ $super(url, options);
+ },
+
+ updateContent: function(responseText) {
+ var receiver = this.container[this.success() ? 'success' : 'failure'],
+ options = this.options;
- if (this.responseIsSuccess()) {
- if (this.onComplete)
- setTimeout(this.onComplete.bind(this), 10);
+ if (!options.evalScripts) responseText = responseText.stripScripts();
+
+ if (receiver = $(receiver)) {
+ if (options.insertion) {
+ if (Object.isString(options.insertion)) {
+ var insertion = { }; insertion[options.insertion] = responseText;
+ receiver.insert(insertion);
+ }
+ else options.insertion(receiver, responseText);
+ }
+ else receiver.update(responseText);
}
}
});
-Ajax.PeriodicalUpdater = Class.create();
-Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
- initialize: function(container, url, options) {
- this.setOptions(options);
+Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
+ initialize: function($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.updater = { };
this.container = container;
this.url = url;
},
stop: function() {
- this.updater.onComplete = undefined;
+ this.updater.options.onComplete = undefined;
clearTimeout(this.timer);
(this.onComplete || Prototype.emptyFunction).apply(this, arguments);
},
- updateComplete: function(request) {
+ updateComplete: function(response) {
if (this.options.decay) {
- this.decay = (request.responseText == this.lastText ?
+ this.decay = (response.responseText == this.lastText ?
this.decay * this.options.decay : 1);
- this.lastText = request.responseText;
+ this.lastText = response.responseText;
}
- this.timer = setTimeout(this.onTimerEvent.bind(this),
- this.decay * this.frequency * 1000);
+ 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 $() {
- var results = [], element;
- for (var i = 0; i < arguments.length; i++) {
- element = arguments[i];
- if (typeof element == 'string')
- element = document.getElementById(element);
- results.push(Element.extend(element));
- }
- return results.length < 2 ? results[0] : results;
-}
-document.getElementsByClassName = function(className, parentElement) {
- var children = ($(parentElement) || document.body).getElementsByTagName('*');
- return $A(children).inject([], function(elements, child) {
- if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
- elements.push(Element.extend(child));
+
+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, $(parentElement) || document,
+ null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
+ for (var i = 0, length = query.snapshotLength; i < length; i++)
+ results.push(Element.extend(query.snapshotItem(i)));
+ return results;
+ };
}
/*--------------------------------------------------------------------------*/
-if (!window.Element)
- var Element = new Object();
+if (!Node) var Node = { };
+
+if (!Node.ELEMENT_NODE) {
+ Object.extend(Node, {
+ ELEMENT_NODE: 1,
+ ATTRIBUTE_NODE: 2,
+ TEXT_NODE: 3,
+ CDATA_SECTION_NODE: 4,
+ ENTITY_REFERENCE_NODE: 5,
+ ENTITY_NODE: 6,
+ PROCESSING_INSTRUCTION_NODE: 7,
+ COMMENT_NODE: 8,
+ DOCUMENT_NODE: 9,
+ DOCUMENT_TYPE_NODE: 10,
+ DOCUMENT_FRAGMENT_NODE: 11,
+ NOTATION_NODE: 12
+ });
+}
-Element.extend = function(element) {
- if (!element) return;
- if (_nativeExtensions) return element;
- if (!element._extended && element.tagName && element != window) {
- var methods = Element.Methods, cache = Element.extend.cache;
- for (property in methods) {
- var value = methods[property];
- if (typeof value == 'function')
- element[property] = cache.findOrStore(value);
- }
- }
- element._extended = true;
- return element;
-}
+(function(global) {
-Element.extend.cache = {
- findOrStore: function(value) {
- return this[value] = this[value] || function() {
- return value.apply(null, [this].concat($A(arguments)));
+ var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = (function(){
+ try {
+ var el = document.createElement('<input name="x">');
+ return el.tagName.toLowerCase() === 'input' && el.name === 'x';
}
+ catch(err) {
+ return false;
+ }
+ })();
+
+ var element = global.Element;
+
+ global.Element = function(tagName, attributes) {
+ attributes = attributes || { };
+ tagName = tagName.toLowerCase();
+ var cache = Element.cache;
+ if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && attributes.name) {
+ tagName = '<' + tagName + ' name="' + attributes.name + '">';
+ delete attributes.name;
+ return Element.writeAttribute(document.createElement(tagName), attributes);
+ }
+ if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
+ return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
+ };
+
+ Object.extend(global.Element, element || { });
+ if (element) global.Element.prototype = element.prototype;
+
+})(this);
+
+Element.idCounter = 1;
+Element.cache = { };
+
+function purgeElement(element) {
+ var uid = element._prototypeUID;
+ if (uid) {
+ Element.stopObserving(element);
+ element._prototypeUID = void 0;
+ delete Element.Storage[uid];
}
}
return $(element).style.display != 'none';
},
- toggle: function() {
- for (var i = 0; i < arguments.length; i++) {
- var element = $(arguments[i]);
- Element[Element.visible(element) ? 'hide' : 'show'](element);
+ toggle: function(element) {
+ element = $(element);
+ Element[Element.visible(element) ? 'hide' : 'show'](element);
+ return element;
+ },
+
+ hide: function(element) {
+ element = $(element);
+ element.style.display = 'none';
+ return element;
+ },
+
+ show: function(element) {
+ element = $(element);
+ element.style.display = '';
+ return element;
+ },
+
+ remove: function(element) {
+ element = $(element);
+ element.parentNode.removeChild(element);
+ return element;
+ },
+
+ update: (function(){
+
+ var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
+ var el = document.createElement("select"),
+ isBuggy = true;
+ el.innerHTML = "<option value=\"test\">test</option>";
+ if (el.options && el.options[0]) {
+ isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
+ }
+ el = null;
+ return isBuggy;
+ })();
+
+ var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
+ try {
+ var el = document.createElement("table");
+ if (el && el.tBodies) {
+ el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
+ var isBuggy = typeof el.tBodies[0] == "undefined";
+ el = null;
+ return isBuggy;
+ }
+ } catch (e) {
+ return true;
+ }
+ })();
+
+ var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
+ var s = document.createElement("script"),
+ isBuggy = false;
+ try {
+ s.appendChild(document.createTextNode(""));
+ isBuggy = !s.firstChild ||
+ s.firstChild && s.firstChild.nodeType !== 3;
+ } catch (e) {
+ isBuggy = true;
+ }
+ s = null;
+ return isBuggy;
+ })();
+
+ function update(element, content) {
+ element = $(element);
+
+ var descendants = element.getElementsByTagName('*'),
+ i = descendants.length;
+ while (i--) purgeElement(descendants[i]);
+
+ if (content && content.toElement)
+ content = content.toElement();
+
+ if (Object.isElement(content))
+ return element.update().insert(content);
+
+ content = Object.toHTML(content);
+
+ var tagName = element.tagName.toUpperCase();
+
+ if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
+ element.text = content;
+ return element;
+ }
+
+ if (SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_INNERHTML_BUGGY) {
+ if (tagName in Element._insertionTranslations.tags) {
+ while (element.firstChild) {
+ element.removeChild(element.firstChild);
+ }
+ Element._getContentFromAnonymousElement(tagName, content.stripScripts())
+ .each(function(node) {
+ element.appendChild(node)
+ });
+ }
+ else {
+ element.innerHTML = content.stripScripts();
+ }
+ }
+ else {
+ element.innerHTML = content.stripScripts();
+ }
+
+ content.evalScripts.bind(content).defer();
+ return element;
+ }
+
+ return update;
+ })(),
+
+ replace: function(element, content) {
+ element = $(element);
+ if (content && content.toElement) content = content.toElement();
+ else if (!Object.isElement(content)) {
+ content = Object.toHTML(content);
+ var range = element.ownerDocument.createRange();
+ range.selectNode(element);
+ content.evalScripts.bind(content).defer();
+ content = range.createContextualFragment(content.stripScripts());
+ }
+ element.parentNode.replaceChild(content, element);
+ return element;
+ },
+
+ insert: function(element, insertions) {
+ element = $(element);
+
+ if (Object.isString(insertions) || Object.isNumber(insertions) ||
+ Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
+ insertions = {bottom:insertions};
+
+ var content, insert, tagName, childNodes;
+
+ for (var position in insertions) {
+ content = insertions[position];
+ position = position.toLowerCase();
+ insert = Element._insertionTranslations[position];
+
+ if (content && content.toElement) content = content.toElement();
+ if (Object.isElement(content)) {
+ insert(element, content);
+ continue;
+ }
+
+ content = Object.toHTML(content);
+
+ tagName = ((position == 'before' || position == 'after')
+ ? element.parentNode : element).tagName.toUpperCase();
+
+ childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
+
+ if (position == 'top' || position == 'after') childNodes.reverse();
+ childNodes.each(insert.curry(element));
+
+ content.evalScripts.bind(content).defer();
}
+
+ return element;
+ },
+
+ wrap: function(element, wrapper, attributes) {
+ element = $(element);
+ if (Object.isElement(wrapper))
+ $(wrapper).writeAttribute(attributes || { });
+ else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
+ else wrapper = new Element('div', wrapper);
+ if (element.parentNode)
+ element.parentNode.replaceChild(wrapper, element);
+ wrapper.appendChild(element);
+ return wrapper;
+ },
+
+ inspect: function(element) {
+ element = $(element);
+ var result = '<' + element.tagName.toLowerCase();
+ $H({'id': 'id', 'className': 'class'}).each(function(pair) {
+ var property = pair.first(),
+ attribute = pair.last(),
+ value = (element[property] || '').toString();
+ if (value) result += ' ' + attribute + '=' + value.inspect(true);
+ });
+ return result + '>';
},
- hide: function() {
- for (var i = 0; i < arguments.length; i++) {
- var element = $(arguments[i]);
- element.style.display = 'none';
+ recursivelyCollect: function(element, property, maximumLength) {
+ element = $(element);
+ maximumLength = maximumLength || -1;
+ var elements = [];
+
+ while (element = element[property]) {
+ if (element.nodeType == 1)
+ elements.push(Element.extend(element));
+ if (elements.length == maximumLength)
+ break;
}
+
+ return elements;
+ },
+
+ ancestors: function(element) {
+ return Element.recursivelyCollect(element, 'parentNode');
},
- show: function() {
- for (var i = 0; i < arguments.length; i++) {
- var element = $(arguments[i]);
- element.style.display = '';
+ descendants: function(element) {
+ return Element.select(element, "*");
+ },
+
+ firstDescendant: function(element) {
+ element = $(element).firstChild;
+ while (element && element.nodeType != 1) element = element.nextSibling;
+ return $(element);
+ },
+
+ immediateDescendants: function(element) {
+ var results = [], child = $(element).firstChild;
+ while (child) {
+ if (child.nodeType === 1) {
+ results.push(Element.extend(child));
+ }
+ child = child.nextSibling;
}
+ return results;
},
- remove: function(element) {
+ previousSiblings: function(element, maximumLength) {
+ return Element.recursivelyCollect(element, 'previousSibling');
+ },
+
+ nextSiblings: function(element) {
+ return Element.recursivelyCollect(element, 'nextSibling');
+ },
+
+ siblings: function(element) {
element = $(element);
- element.parentNode.removeChild(element);
+ return Element.previousSiblings(element).reverse()
+ .concat(Element.nextSiblings(element));
+ },
+
+ match: function(element, selector) {
+ element = $(element);
+ if (Object.isString(selector))
+ return Prototype.Selector.match(element, selector);
+ return selector.match(element);
+ },
+
+ up: function(element, expression, index) {
+ element = $(element);
+ if (arguments.length == 1) return $(element.parentNode);
+ var ancestors = Element.ancestors(element);
+ return Object.isNumber(expression) ? ancestors[expression] :
+ Prototype.Selector.find(ancestors, expression, index);
},
- update: function(element, html) {
- $(element).innerHTML = html.stripScripts();
- setTimeout(function() {html.evalScripts()}, 10);
+ down: function(element, expression, index) {
+ element = $(element);
+ if (arguments.length == 1) return Element.firstDescendant(element);
+ return Object.isNumber(expression) ? Element.descendants(element)[expression] :
+ Element.select(element, expression)[index || 0];
},
- replace: function(element, html) {
+ previous: function(element, expression, index) {
element = $(element);
- if (element.outerHTML) {
- element.outerHTML = html.stripScripts();
+ if (Object.isNumber(expression)) index = expression, expression = false;
+ if (!Object.isNumber(index)) index = 0;
+
+ if (expression) {
+ return Prototype.Selector.find(element.previousSiblings(), expression, index);
} else {
- var range = element.ownerDocument.createRange();
- range.selectNodeContents(element);
- element.parentNode.replaceChild(
- range.createContextualFragment(html.stripScripts()), element);
+ return element.recursivelyCollect("previousSibling", index + 1)[index];
}
- setTimeout(function() {html.evalScripts()}, 10);
},
- getHeight: function(element) {
+ next: function(element, expression, index) {
+ element = $(element);
+ if (Object.isNumber(expression)) index = expression, expression = false;
+ if (!Object.isNumber(index)) index = 0;
+
+ if (expression) {
+ return Prototype.Selector.find(element.nextSiblings(), expression, index);
+ } else {
+ var maximumLength = Object.isNumber(index) ? index + 1 : 1;
+ return element.recursivelyCollect("nextSibling", index + 1)[index];
+ }
+ },
+
+
+ select: function(element) {
+ element = $(element);
+ var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
+ return Prototype.Selector.select(expressions, element);
+ },
+
+ adjacent: function(element) {
+ element = $(element);
+ var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
+ return Prototype.Selector.select(expressions, element.parentNode).without(element);
+ },
+
+ identify: function(element) {
+ element = $(element);
+ var id = Element.readAttribute(element, 'id');
+ if (id) return id;
+ do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id));
+ Element.writeAttribute(element, 'id', id);
+ return id;
+ },
+
+ readAttribute: function(element, name) {
+ element = $(element);
+ if (Prototype.Browser.IE) {
+ var t = Element._attributeTranslations.read;
+ if (t.values[name]) return t.values[name](element, name);
+ if (t.names[name]) name = t.names[name];
+ if (name.include(':')) {
+ return (!element.attributes || !element.attributes[name]) ? null :
+ element.attributes[name].value;
+ }
+ }
+ return element.getAttribute(name);
+ },
+
+ writeAttribute: function(element, name, value) {
element = $(element);
- return element.offsetHeight;
+ var attributes = { }, t = Element._attributeTranslations.write;
+
+ if (typeof name == 'object') attributes = name;
+ else attributes[name] = Object.isUndefined(value) ? true : value;
+
+ for (var attr in attributes) {
+ name = t.names[attr] || attr;
+ value = attributes[attr];
+ if (t.values[attr]) name = t.values[attr](element, value);
+ if (value === false || value === null)
+ element.removeAttribute(name);
+ else if (value === true)
+ element.setAttribute(name, name);
+ else element.setAttribute(name, value);
+ }
+ return element;
+ },
+
+ getHeight: function(element) {
+ return Element.getDimensions(element).height;
+ },
+
+ getWidth: function(element) {
+ return Element.getDimensions(element).width;
},
classNames: function(element) {
hasClassName: function(element, className) {
if (!(element = $(element))) return;
- return Element.classNames(element).include(className);
+ var elementClassName = element.className;
+ return (elementClassName.length > 0 && (elementClassName == className ||
+ new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
},
addClassName: function(element, className) {
if (!(element = $(element))) return;
- return Element.classNames(element).add(className);
+ if (!Element.hasClassName(element, className))
+ element.className += (element.className ? ' ' : '') + className;
+ return element;
},
removeClassName: function(element, className) {
if (!(element = $(element))) return;
- return Element.classNames(element).remove(className);
+ element.className = element.className.replace(
+ new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
+ return element;
+ },
+
+ toggleClassName: function(element, className) {
+ if (!(element = $(element))) return;
+ return Element[Element.hasClassName(element, className) ?
+ 'removeClassName' : 'addClassName'](element, className);
},
- // removes whitespace-only text node children
cleanWhitespace: function(element) {
element = $(element);
- for (var i = 0; i < element.childNodes.length; i++) {
- var node = element.childNodes[i];
+ var node = element.firstChild;
+ while (node) {
+ var nextNode = node.nextSibling;
if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
- Element.remove(node);
+ element.removeChild(node);
+ node = nextNode;
}
+ return element;
},
empty: function(element) {
- return $(element).innerHTML.match(/^\s*$/);
+ return $(element).innerHTML.blank();
},
- childOf: function(element, ancestor) {
+ descendantOf: function(element, ancestor) {
element = $(element), ancestor = $(ancestor);
+
+ if (element.compareDocumentPosition)
+ return (element.compareDocumentPosition(ancestor) & 8) === 8;
+
+ if (ancestor.contains)
+ return ancestor.contains(element) && ancestor !== element;
+
while (element = element.parentNode)
if (element == ancestor) return true;
+
return false;
},
scrollTo: function(element) {
element = $(element);
- var x = element.x ? element.x : element.offsetLeft,
- y = element.y ? element.y : element.offsetTop;
- window.scrollTo(x, y);
+ var pos = Element.cumulativeOffset(element);
+ window.scrollTo(pos[0], pos[1]);
+ return element;
},
getStyle: function(element, style) {
element = $(element);
- var value = element.style[style.camelize()];
- if (!value) {
- if (document.defaultView && document.defaultView.getComputedStyle) {
- var css = document.defaultView.getComputedStyle(element, null);
- value = css ? css.getPropertyValue(style) : null;
- } else if (element.currentStyle) {
- value = element.currentStyle[style.camelize()];
- }
+ style = style == 'float' ? 'cssFloat' : style.camelize();
+ var value = element.style[style];
+ if (!value || value == 'auto') {
+ var css = document.defaultView.getComputedStyle(element, null);
+ value = css ? css[style] : null;
+ }
+ if (style == 'opacity') return value ? parseFloat(value) : 1.0;
+ return value == 'auto' ? null : value;
+ },
+
+ getOpacity: function(element) {
+ return $(element).getStyle('opacity');
+ },
+
+ setStyle: function(element, styles) {
+ element = $(element);
+ var elementStyle = element.style, match;
+ if (Object.isString(styles)) {
+ element.style.cssText += ';' + styles;
+ return styles.include('opacity') ?
+ element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
}
+ for (var property in styles)
+ if (property == 'opacity') element.setOpacity(styles[property]);
+ else
+ elementStyle[(property == 'float' || property == 'cssFloat') ?
+ (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
+ property] = styles[property];
+
+ return element;
+ },
- if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
- if (Element.getStyle(element, 'position') == 'static') value = 'auto';
+ setOpacity: function(element, value) {
+ element = $(element);
+ element.style.opacity = (value == 1 || value === '') ? '' :
+ (value < 0.00001) ? 0 : value;
+ return element;
+ },
- return value == 'auto' ? null : value;
+ makePositioned: function(element) {
+ element = $(element);
+ var pos = Element.getStyle(element, 'position');
+ if (pos == 'static' || !pos) {
+ element._madePositioned = true;
+ element.style.position = 'relative';
+ if (Prototype.Browser.Opera) {
+ element.style.top = 0;
+ element.style.left = 0;
+ }
+ }
+ return element;
+ },
+
+ undoPositioned: function(element) {
+ element = $(element);
+ if (element._madePositioned) {
+ element._madePositioned = undefined;
+ element.style.position =
+ element.style.top =
+ element.style.left =
+ element.style.bottom =
+ element.style.right = '';
+ }
+ return element;
+ },
+
+ makeClipping: function(element) {
+ element = $(element);
+ if (element._overflow) return element;
+ element._overflow = Element.getStyle(element, 'overflow') || 'auto';
+ if (element._overflow !== 'hidden')
+ element.style.overflow = 'hidden';
+ return element;
+ },
+
+ undoClipping: function(element) {
+ element = $(element);
+ if (!element._overflow) return element;
+ element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
+ element._overflow = null;
+ return element;
+ },
+
+ cumulativeOffset: function(element) {
+ var valueT = 0, valueL = 0;
+ if (element.parentNode) {
+ 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.toUpperCase() == 'BODY') break;
+ var p = Element.getStyle(element, 'position');
+ if (p !== 'static') break;
+ }
+ } while (element);
+ return Element._returnOffset(valueL, valueT);
+ },
+
+ absolutize: function(element) {
+ element = $(element);
+ if (Element.getStyle(element, 'position') == 'absolute') return element;
+
+ var offsets = Element.positionedOffset(element),
+ top = offsets[1],
+ left = offsets[0],
+ width = element.clientWidth,
+ 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(element, 'position') == 'relative') return element;
+
+ element.style.position = 'relative';
+ var top = parseFloat(element.style.top || 0) - (element._originalTop || 0),
+ 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,
+ element = forElement;
+
+ do {
+ valueT += element.offsetTop || 0;
+ valueL += element.offsetLeft || 0;
+
+ if (element.offsetParent == document.body &&
+ Element.getStyle(element, 'position') == 'absolute') break;
+
+ } while (element = element.offsetParent);
+
+ element = forElement;
+ do {
+ if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == '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] || { });
+
+ source = $(source);
+ var p = Element.viewportOffset(source), delta = [0, 0], parent = null;
+
+ element = $(element);
+
+ if (Element.getStyle(element, 'position') == 'absolute') {
+ parent = Element.getOffsetParent(element);
+ delta = Element.viewportOffset(parent);
+ }
+
+ if (parent == document.body) {
+ delta[0] -= document.body.offsetLeft;
+ delta[1] -= document.body.offsetTop;
+ }
+
+ if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
+ if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
+ if (options.setWidth) element.style.width = source.offsetWidth + 'px';
+ if (options.setHeight) element.style.height = source.offsetHeight + 'px';
+ return element;
+ }
+};
+
+Object.extend(Element.Methods, {
+ getElementsBySelector: Element.Methods.select,
+
+ childElements: Element.Methods.immediateDescendants
+});
+
+Element._attributeTranslations = {
+ write: {
+ names: {
+ className: 'class',
+ htmlFor: 'for'
+ },
+ values: { }
+ }
+};
+
+if (Prototype.Browser.Opera) {
+ Element.Methods.getStyle = Element.Methods.getStyle.wrap(
+ function(proceed, element, style) {
+ switch (style) {
+ case 'left': case 'top': case 'right': case 'bottom':
+ if (proceed(element, 'position') === 'static') return null;
+ case 'height': case 'width':
+ if (!Element.visible(element)) return null;
+
+ var dim = parseInt(proceed(element, style), 10);
+
+ if (dim !== element['offset' + style.capitalize()])
+ return dim + 'px';
+
+ var properties;
+ if (style === 'height') {
+ properties = ['border-top-width', 'padding-top',
+ 'padding-bottom', 'border-bottom-width'];
+ }
+ else {
+ properties = ['border-left-width', 'padding-left',
+ 'padding-right', 'border-right-width'];
+ }
+ return properties.inject(dim, function(memo, property) {
+ var val = proceed(element, property);
+ return val === null ? memo : memo - parseInt(val, 10);
+ }) + 'px';
+ default: return proceed(element, style);
+ }
+ }
+ );
+
+ Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
+ function(proceed, element, attribute) {
+ if (attribute === 'title') return element.title;
+ return proceed(element, attribute);
+ }
+ );
+}
+
+else if (Prototype.Browser.IE) {
+ Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
+ function(proceed, element) {
+ element = $(element);
+ if (!element.parentNode) return $(document.body);
+ var position = element.getStyle('position');
+ if (position !== 'static') return proceed(element);
+ element.setStyle({ position: 'relative' });
+ var value = proceed(element);
+ element.setStyle({ position: position });
+ return value;
+ }
+ );
+
+ $w('positionedOffset viewportOffset').each(function(method) {
+ Element.Methods[method] = Element.Methods[method].wrap(
+ function(proceed, element) {
+ element = $(element);
+ if (!element.parentNode) return Element._returnOffset(0, 0);
+ var position = element.getStyle('position');
+ if (position !== 'static') return proceed(element);
+ var offsetParent = element.getOffsetParent();
+ if (offsetParent && offsetParent.getStyle('position') === 'fixed')
+ offsetParent.setStyle({ zoom: 1 });
+ 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 = (function(){
+
+ var classProp = 'className',
+ forProp = 'for',
+ el = document.createElement('div');
+
+ el.setAttribute(classProp, 'x');
+
+ if (el.className !== 'x') {
+ el.setAttribute('class', 'x');
+ if (el.className === 'x') {
+ classProp = 'class';
+ }
+ }
+ el = null;
+
+ el = document.createElement('label');
+ el.setAttribute(forProp, 'x');
+ if (el.htmlFor !== 'x') {
+ el.setAttribute('htmlFor', 'x');
+ if (el.htmlFor === 'x') {
+ forProp = 'htmlFor';
+ }
+ }
+ el = null;
+
+ return {
+ read: {
+ names: {
+ 'class': classProp,
+ 'className': classProp,
+ 'for': forProp,
+ 'htmlFor': forProp
+ },
+ values: {
+ _getAttr: function(element, attribute) {
+ return element.getAttribute(attribute);
+ },
+ _getAttr2: function(element, attribute) {
+ return element.getAttribute(attribute, 2);
+ },
+ _getAttrNode: function(element, attribute) {
+ var node = element.getAttributeNode(attribute);
+ return node ? node.value : "";
+ },
+ _getEv: (function(){
+
+ var el = document.createElement('div'), f;
+ el.onclick = Prototype.emptyFunction;
+ var value = el.getAttribute('onclick');
+
+ if (String(value).indexOf('{') > -1) {
+ f = function(element, attribute) {
+ attribute = element.getAttribute(attribute);
+ if (!attribute) return null;
+ attribute = attribute.toString();
+ attribute = attribute.split('{')[1];
+ attribute = attribute.split('}')[0];
+ return attribute.strip();
+ };
+ }
+ else if (value === '') {
+ f = function(element, attribute) {
+ attribute = element.getAttribute(attribute);
+ if (!attribute) return null;
+ return attribute.strip();
+ };
+ }
+ el = null;
+ return f;
+ })(),
+ _flag: function(element, attribute) {
+ return $(element).hasAttribute(attribute) ? attribute : null;
+ },
+ style: function(element) {
+ return element.style.cssText.toLowerCase();
+ },
+ title: function(element) {
+ return element.title;
+ }
+ }
+ }
+ }
+ })();
+
+ Element._attributeTranslations.write = {
+ names: Object.extend({
+ cellpadding: 'cellPadding',
+ cellspacing: 'cellSpacing'
+ }, Element._attributeTranslations.read.names),
+ values: {
+ checked: function(element, value) {
+ element.checked = !!value;
+ },
+
+ style: function(element, value) {
+ element.style.cssText = value ? value : '';
+ }
+ }
+ };
+
+ Element._attributeTranslations.has = {};
+
+ $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
+ 'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
+ Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
+ Element._attributeTranslations.has[attr.toLowerCase()] = attr;
+ });
+
+ (function(v) {
+ Object.extend(v, {
+ href: v._getAttr2,
+ src: v._getAttr2,
+ type: v._getAttr,
+ action: v._getAttrNode,
+ disabled: v._flag,
+ checked: v._flag,
+ readonly: v._flag,
+ multiple: v._flag,
+ onload: v._getEv,
+ onunload: v._getEv,
+ onclick: v._getEv,
+ ondblclick: v._getEv,
+ onmousedown: v._getEv,
+ onmouseup: v._getEv,
+ onmouseover: v._getEv,
+ onmousemove: v._getEv,
+ onmouseout: v._getEv,
+ onfocus: v._getEv,
+ onblur: v._getEv,
+ onkeypress: v._getEv,
+ onkeydown: v._getEv,
+ onkeyup: v._getEv,
+ onsubmit: v._getEv,
+ onreset: v._getEv,
+ onselect: v._getEv,
+ onchange: v._getEv
+ });
+ })(Element._attributeTranslations.read.values);
+
+ if (Prototype.BrowserFeatures.ElementExtensions) {
+ (function() {
+ function _descendants(element) {
+ var nodes = element.getElementsByTagName('*'), results = [];
+ for (var i = 0, node; node = nodes[i]; i++)
+ if (node.tagName !== "!") // Filter out comment nodes.
+ results.push(node);
+ return results;
+ }
+
+ Element.Methods.down = function(element, expression, index) {
+ element = $(element);
+ if (arguments.length == 1) return element.firstDescendant();
+ return Object.isNumber(expression) ? _descendants(element)[expression] :
+ Element.select(element, expression)[index || 0];
+ }
+ })();
+ }
+
+}
+
+else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
+ Element.Methods.setOpacity = function(element, value) {
+ element = $(element);
+ element.style.opacity = (value == 1) ? 0.999999 :
+ (value === '') ? '' : (value < 0.00001) ? 0 : value;
+ return element;
+ };
+}
+
+else if (Prototype.Browser.WebKit) {
+ Element.Methods.setOpacity = function(element, value) {
+ element = $(element);
+ element.style.opacity = (value == 1 || value === '') ? '' :
+ (value < 0.00001) ? 0 : value;
+
+ if (value == 1)
+ if (element.tagName.toUpperCase() == 'IMG' && element.width) {
+ element.width++; element.width--;
+ } else try {
+ var n = document.createTextNode(' ');
+ element.appendChild(n);
+ element.removeChild(n);
+ } catch (e) { }
+
+ return element;
+ };
+
+ 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 ('outerHTML' in document.documentElement) {
+ Element.Methods.replace = function(element, content) {
+ element = $(element);
+
+ if (content && content.toElement) content = content.toElement();
+ if (Object.isElement(content)) {
+ element.parentNode.replaceChild(content, element);
+ return element;
+ }
+
+ content = Object.toHTML(content);
+ var parent = element.parentNode, tagName = parent.tagName.toUpperCase();
+
+ if (Element._insertionTranslations.tags[tagName]) {
+ var nextSibling = element.next(),
+ fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
+ parent.removeChild(element);
+ if (nextSibling)
+ fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
+ else
+ fragments.each(function(node) { parent.appendChild(node) });
+ }
+ else element.outerHTML = content.stripScripts();
+
+ content.evalScripts.bind(content).defer();
+ return element;
+ };
+}
+
+Element._returnOffset = function(l, t) {
+ var result = [l, t];
+ result.left = l;
+ result.top = t;
+ return result;
+};
+
+Element._getContentFromAnonymousElement = function(tagName, html) {
+ var div = new Element('div'),
+ t = Element._insertionTranslations.tags[tagName];
+ if (t) {
+ div.innerHTML = t[0] + html + t[1];
+ for (var i = t[2]; i--; ) {
+ div = div.firstChild;
+ }
+ }
+ else {
+ div.innerHTML = html;
+ }
+ return $A(div.childNodes);
+};
+
+Element._insertionTranslations = {
+ before: function(element, node) {
+ element.parentNode.insertBefore(node, element);
+ },
+ top: function(element, node) {
+ element.insertBefore(node, element.firstChild);
+ },
+ bottom: function(element, node) {
+ element.appendChild(node);
+ },
+ after: function(element, node) {
+ element.parentNode.insertBefore(node, element.nextSibling);
+ },
+ tags: {
+ TABLE: ['<table>', '</table>', 1],
+ TBODY: ['<table><tbody>', '</tbody></table>', 2],
+ TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3],
+ TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
+ SELECT: ['<select>', '</select>', 1]
+ }
+};
+
+(function() {
+ var tags = Element._insertionTranslations.tags;
+ Object.extend(tags, {
+ THEAD: tags.TBODY,
+ TFOOT: tags.TBODY,
+ TH: tags.TD
+ });
+})();
+
+Element.Methods.Simulated = {
+ hasAttribute: function(element, attribute) {
+ attribute = Element._attributeTranslations.has[attribute] || attribute;
+ var node = $(element).getAttributeNode(attribute);
+ return !!(node && node.specified);
+ }
+};
+
+Element.Methods.ByTag = { };
+
+Object.extend(Element, Element.Methods);
+
+(function(div) {
+
+ if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) {
+ window.HTMLElement = { };
+ window.HTMLElement.prototype = div['__proto__'];
+ Prototype.BrowserFeatures.ElementExtensions = true;
+ }
+
+ div = null;
+
+})(document.createElement('div'));
+
+Element.extend = (function() {
+
+ function checkDeficiency(tagName) {
+ if (typeof window.Element != 'undefined') {
+ var proto = window.Element.prototype;
+ if (proto) {
+ var id = '_' + (Math.random()+'').slice(2),
+ el = document.createElement(tagName);
+ proto[id] = 'x';
+ var isBuggy = (el[id] !== 'x');
+ delete proto[id];
+ el = null;
+ return isBuggy;
+ }
+ }
+ return false;
+ }
+
+ function extendElementWith(element, methods) {
+ for (var property in methods) {
+ var value = methods[property];
+ if (Object.isFunction(value) && !(property in element))
+ element[property] = value.methodize();
+ }
+ }
+
+ var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');
+
+ if (Prototype.BrowserFeatures.SpecificElementExtensions) {
+ if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
+ return function(element) {
+ if (element && typeof element._extendedByPrototype == 'undefined') {
+ var t = element.tagName;
+ if (t && (/^(?:object|applet|embed)$/i.test(t))) {
+ extendElementWith(element, Element.Methods);
+ extendElementWith(element, Element.Methods.Simulated);
+ extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);
+ }
+ }
+ return element;
+ }
+ }
+ return Prototype.K;
+ }
+
+ var Methods = { }, ByTag = Element.Methods.ByTag;
+
+ var extend = Object.extend(function(element) {
+ if (!element || typeof element._extendedByPrototype != 'undefined' ||
+ element.nodeType != 1 || element == window) return element;
+
+ var methods = Object.clone(Methods),
+ tagName = element.tagName.toUpperCase();
+
+ if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
+
+ extendElementWith(element, methods);
+
+ element._extendedByPrototype = Prototype.emptyFunction;
+ return element;
+
+ }, {
+ refresh: function() {
+ if (!Prototype.BrowserFeatures.ElementExtensions) {
+ Object.extend(Methods, Element.Methods);
+ Object.extend(Methods, Element.Methods.Simulated);
+ }
+ }
+ });
+
+ extend.refresh();
+ return extend;
+})();
+
+if (document.documentElement.hasAttribute) {
+ Element.hasAttribute = function(element, attribute) {
+ return element.hasAttribute(attribute);
+ };
+}
+else {
+ Element.hasAttribute = Element.Methods.Simulated.hasAttribute;
+}
+
+Element.addMethods = function(methods) {
+ var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
+
+ if (!methods) {
+ Object.extend(Form, Form.Methods);
+ Object.extend(Form.Element, Form.Element.Methods);
+ Object.extend(Element.Methods.ByTag, {
+ "FORM": Object.clone(Form.Methods),
+ "INPUT": Object.clone(Form.Element.Methods),
+ "SELECT": Object.clone(Form.Element.Methods),
+ "TEXTAREA": Object.clone(Form.Element.Methods)
+ });
+ }
+
+ if (arguments.length == 2) {
+ var tagName = methods;
+ methods = arguments[1];
+ }
+
+ if (!tagName) Object.extend(Element.Methods, methods || { });
+ else {
+ if (Object.isArray(tagName)) tagName.each(extend);
+ else extend(tagName);
+ }
+
+ function extend(tagName) {
+ tagName = tagName.toUpperCase();
+ if (!Element.Methods.ByTag[tagName])
+ Element.Methods.ByTag[tagName] = { };
+ Object.extend(Element.Methods.ByTag[tagName], methods);
+ }
+
+ function copy(methods, destination, onlyIfAbsent) {
+ onlyIfAbsent = onlyIfAbsent || false;
+ for (var property in methods) {
+ var value = methods[property];
+ if (!Object.isFunction(value)) continue;
+ if (!onlyIfAbsent || !(property in destination))
+ destination[property] = value.methodize();
+ }
+ }
+
+ function findDOMClass(tagName) {
+ var klass;
+ var trans = {
+ "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
+ "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
+ "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
+ "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
+ "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
+ "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
+ "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
+ "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
+ "FrameSet", "IFRAME": "IFrame"
+ };
+ if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
+ if (window[klass]) return window[klass];
+ klass = 'HTML' + tagName + 'Element';
+ if (window[klass]) return window[klass];
+ klass = 'HTML' + tagName.capitalize() + 'Element';
+ if (window[klass]) return window[klass];
+
+ var element = document.createElement(tagName),
+ proto = element['__proto__'] || element.constructor.prototype;
+
+ element = null;
+ return proto;
+ }
+
+ var elementPrototype = window.HTMLElement ? HTMLElement.prototype :
+ Element.prototype;
+
+ if (F.ElementExtensions) {
+ copy(Element.Methods, elementPrototype);
+ copy(Element.Methods.Simulated, elementPrototype, true);
+ }
+
+ if (F.SpecificElementExtensions) {
+ for (var tag in Element.Methods.ByTag) {
+ var klass = findDOMClass(tag);
+ if (Object.isUndefined(klass)) continue;
+ copy(T[tag], klass.prototype);
+ }
+ }
+
+ Object.extend(Element, Element.Methods);
+ delete Element.ByTag;
+
+ if (Element.extend.refresh) Element.extend.refresh();
+ Element.cache = { };
+};
+
+
+document.viewport = {
+
+ getDimensions: function() {
+ return { width: this.getWidth(), height: this.getHeight() };
+ },
+
+ getScrollOffsets: function() {
+ return Element._returnOffset(
+ window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
+ window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
+ }
+};
+
+(function(viewport) {
+ var B = Prototype.Browser, doc = document, element, property = {};
+
+ function getRootElement() {
+ if (B.WebKit && !doc.evaluate)
+ return document;
+
+ if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
+ return document.body;
+
+ return document.documentElement;
+ }
+
+ function define(D) {
+ if (!element) element = getRootElement();
+
+ property[D] = 'client' + D;
+
+ viewport['get' + D] = function() { return element[property[D]] };
+ return viewport['get' + D]();
+ }
+
+ viewport.getWidth = define.curry('Width');
+
+ viewport.getHeight = define.curry('Height');
+})(document.viewport);
+
+
+Element.Storage = {
+ UID: 1
+};
+
+Element.addMethods({
+ getStorage: function(element) {
+ if (!(element = $(element))) return;
+
+ var uid;
+ if (element === window) {
+ uid = 0;
+ } else {
+ if (typeof element._prototypeUID === "undefined")
+ element._prototypeUID = Element.Storage.UID++;
+ uid = element._prototypeUID;
+ }
+
+ if (!Element.Storage[uid])
+ Element.Storage[uid] = $H();
+
+ return Element.Storage[uid];
+ },
+
+ store: function(element, key, value) {
+ if (!(element = $(element))) return;
+
+ if (arguments.length === 2) {
+ Element.getStorage(element).update(key);
+ } else {
+ Element.getStorage(element).set(key, value);
+ }
+
+ return element;
+ },
+
+ retrieve: function(element, key, defaultValue) {
+ if (!(element = $(element))) return;
+ var hash = Element.getStorage(element), value = hash.get(key);
+
+ if (Object.isUndefined(value)) {
+ hash.set(key, defaultValue);
+ value = defaultValue;
+ }
+
+ return value;
+ },
+
+ clone: function(element, deep) {
+ if (!(element = $(element))) return;
+ var clone = element.cloneNode(deep);
+ clone._prototypeUID = void 0;
+ if (deep) {
+ var descendants = Element.select(clone, '*'),
+ i = descendants.length;
+ while (i--) {
+ descendants[i]._prototypeUID = void 0;
+ }
+ }
+ return Element.extend(clone);
+ },
+
+ purge: function(element) {
+ if (!(element = $(element))) return;
+ purgeElement(element);
+
+ var descendants = element.getElementsByTagName('*'),
+ i = descendants.length;
+
+ while (i--) purgeElement(descendants[i]);
+
+ return null;
+ }
+});
+
+(function() {
+
+ function toDecimal(pctString) {
+ var match = pctString.match(/^(\d+)%?$/i);
+ if (!match) return null;
+ return (Number(match[1]) / 100);
+ }
+
+ function getPixelValue(value, property) {
+ if (Object.isElement(value)) {
+ element = value;
+ value = element.getStyle(property);
+ }
+ if (value === null) {
+ return null;
+ }
+
+ if ((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(value)) {
+ return window.parseFloat(value);
+ }
+
+ if (/\d/.test(value) && element.runtimeStyle) {
+ var style = element.style.left, rStyle = element.runtimeStyle.left;
+ element.runtimeStyle.left = element.currentStyle.left;
+ element.style.left = value || 0;
+ value = element.style.pixelLeft;
+ element.style.left = style;
+ element.runtimeStyle.left = rStyle;
+
+ return value;
+ }
+
+ if (value.include('%')) {
+ var decimal = toDecimal(value);
+ var whole;
+ if (property.include('left') || property.include('right') ||
+ property.include('width')) {
+ whole = $(element.parentNode).measure('width');
+ } else if (property.include('top') || property.include('bottom') ||
+ property.include('height')) {
+ whole = $(element.parentNode).measure('height');
+ }
+
+ return whole * decimal;
+ }
+
+ return 0;
+ }
+
+ function toCSSPixels(number) {
+ if (Object.isString(number) && number.endsWith('px')) {
+ return number;
+ }
+ return number + 'px';
+ }
+
+ function isDisplayed(element) {
+ var originalElement = element;
+ while (element && element.parentNode) {
+ var display = element.getStyle('display');
+ if (display === 'none') {
+ return false;
+ }
+ element = $(element.parentNode);
+ }
+ return true;
+ }
+
+ var hasLayout = Prototype.K;
+ if ('currentStyle' in document.documentElement) {
+ hasLayout = function(element) {
+ if (!element.currentStyle.hasLayout) {
+ element.style.zoom = 1;
+ }
+ return element;
+ };
+ }
+
+ function cssNameFor(key) {
+ if (key.include('border')) key = key + '-width';
+ return key.camelize();
+ }
+
+ Element.Layout = Class.create(Hash, {
+ initialize: function($super, element, preCompute) {
+ $super();
+ this.element = $(element);
+
+ Element.Layout.PROPERTIES.each( function(property) {
+ this._set(property, null);
+ }, this);
+
+ if (preCompute) {
+ this._preComputing = true;
+ this._begin();
+ Element.Layout.PROPERTIES.each( this._compute, this );
+ this._end();
+ this._preComputing = false;
+ }
+ },
+
+ _set: function(property, value) {
+ return Hash.prototype.set.call(this, property, value);
+ },
+
+ set: function(property, value) {
+ throw "Properties of Element.Layout are read-only.";
+ },
+
+ get: function($super, property) {
+ var value = $super(property);
+ return value === null ? this._compute(property) : value;
+ },
+
+ _begin: function() {
+ if (this._prepared) return;
+
+ var element = this.element;
+ if (isDisplayed(element)) {
+ this._prepared = true;
+ return;
+ }
+
+ var originalStyles = {
+ position: element.style.position || '',
+ width: element.style.width || '',
+ visibility: element.style.visibility || '',
+ display: element.style.display || ''
+ };
+
+ element.store('prototype_original_styles', originalStyles);
+
+ var position = element.getStyle('position'),
+ width = element.getStyle('width');
+
+ element.setStyle({
+ position: 'absolute',
+ visibility: 'hidden',
+ display: 'block'
+ });
+
+ var positionedWidth = element.getStyle('width');
+
+ var newWidth;
+ if (width && (positionedWidth === width)) {
+ newWidth = getPixelValue(width);
+ } else if (width && (position === 'absolute' || position === 'fixed')) {
+ newWidth = getPixelValue(width);
+ } else {
+ var parent = element.parentNode, pLayout = $(parent).getLayout();
+
+ newWidth = pLayout.get('width') -
+ this.get('margin-left') -
+ this.get('border-left') -
+ this.get('padding-left') -
+ this.get('padding-right') -
+ this.get('border-right') -
+ this.get('margin-right');
+ }
+
+ element.setStyle({ width: newWidth + 'px' });
+
+ this._prepared = true;
+ },
+
+ _end: function() {
+ var element = this.element;
+ var originalStyles = element.retrieve('prototype_original_styles');
+ element.store('prototype_original_styles', null);
+ element.setStyle(originalStyles);
+ this._prepared = false;
+ },
+
+ _compute: function(property) {
+ var COMPUTATIONS = Element.Layout.COMPUTATIONS;
+ if (!(property in COMPUTATIONS)) {
+ throw "Property not found.";
+ }
+ return this._set(property, COMPUTATIONS[property].call(this, this.element));
+ },
+
+ toObject: function() {
+ var args = $A(arguments);
+ var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
+ args.join(' ').split(' ');
+ var obj = {};
+ keys.each( function(key) {
+ if (!Element.Layout.PROPERTIES.include(key)) return;
+ var value = this.get(key);
+ if (value != null) obj[key] = value;
+ }, this);
+ return obj;
+ },
+
+ toHash: function() {
+ var obj = this.toObject.apply(this, arguments);
+ return new Hash(obj);
+ },
+
+ toCSS: function() {
+ var args = $A(arguments);
+ var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
+ args.join(' ').split(' ');
+ var css = {};
+
+ keys.each( function(key) {
+ if (!Element.Layout.PROPERTIES.include(key)) return;
+ if (Element.Layout.COMPOSITE_PROPERTIES.include(key)) return;
+
+ var value = this.get(key);
+ if (value != null) css[cssNameFor(key)] = value + 'px';
+ }, this);
+ return css;
+ },
+
+ inspect: function() {
+ return "#<Element.Layout>";
+ }
+ });
+
+ Object.extend(Element.Layout, {
+ PROPERTIES: $w('height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height'),
+
+ COMPOSITE_PROPERTIES: $w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'),
+
+ COMPUTATIONS: {
+ 'height': function(element) {
+ if (!this._preComputing) this._begin();
+
+ var bHeight = this.get('border-box-height');
+ if (bHeight <= 0) return 0;
+
+ var bTop = this.get('border-top'),
+ bBottom = this.get('border-bottom');
+
+ var pTop = this.get('padding-top'),
+ pBottom = this.get('padding-bottom');
+
+ if (!this._preComputing) this._end();
+
+ return bHeight - bTop - bBottom - pTop - pBottom;
+ },
+
+ 'width': function(element) {
+ if (!this._preComputing) this._begin();
+
+ var bWidth = this.get('border-box-width');
+ if (bWidth <= 0) return 0;
+
+ var bLeft = this.get('border-left'),
+ bRight = this.get('border-right');
+
+ var pLeft = this.get('padding-left'),
+ pRight = this.get('padding-right');
+
+ if (!this._preComputing) this._end();
+
+ return bWidth - bLeft - bRight - pLeft - pRight;
+ },
+
+ 'padding-box-height': function(element) {
+ var height = this.get('height'),
+ pTop = this.get('padding-top'),
+ pBottom = this.get('padding-bottom');
+
+ return height + pTop + pBottom;
+ },
+
+ 'padding-box-width': function(element) {
+ var width = this.get('width'),
+ pLeft = this.get('padding-left'),
+ pRight = this.get('padding-right');
+
+ return width + pLeft + pRight;
+ },
+
+ 'border-box-height': function(element) {
+ return element.offsetHeight;
+ },
+
+ 'border-box-width': function(element) {
+ return element.offsetWidth;
+ },
+
+ 'margin-box-height': function(element) {
+ var bHeight = this.get('border-box-height'),
+ mTop = this.get('margin-top'),
+ mBottom = this.get('margin-bottom');
+
+ if (bHeight <= 0) return 0;
+
+ return bHeight + mTop + mBottom;
+ },
+
+ 'margin-box-width': function(element) {
+ var bWidth = this.get('border-box-width'),
+ mLeft = this.get('margin-left'),
+ mRight = this.get('margin-right');
+
+ if (bWidth <= 0) return 0;
+
+ return bWidth + mLeft + mRight;
+ },
+
+ 'top': function(element) {
+ var offset = element.positionedOffset();
+ return offset.top;
+ },
+
+ 'bottom': function(element) {
+ var offset = element.positionedOffset(),
+ parent = element.getOffsetParent(),
+ pHeight = parent.measure('height');
+
+ var mHeight = this.get('border-box-height');
+
+ return pHeight - mHeight - offset.top;
+ },
+
+ 'left': function(element) {
+ var offset = element.positionedOffset();
+ return offset.left;
+ },
+
+ 'right': function(element) {
+ var offset = element.positionedOffset(),
+ parent = element.getOffsetParent(),
+ pWidth = parent.measure('width');
+
+ var mWidth = this.get('border-box-width');
+
+ return pWidth - mWidth - offset.left;
+ },
+
+ 'padding-top': function(element) {
+ return getPixelValue(element, 'paddingTop');
+ },
+
+ 'padding-bottom': function(element) {
+ return getPixelValue(element, 'paddingBottom');
+ },
+
+ 'padding-left': function(element) {
+ return getPixelValue(element, 'paddingLeft');
+ },
+
+ 'padding-right': function(element) {
+ return getPixelValue(element, 'paddingRight');
+ },
+
+ 'border-top': function(element) {
+ return Object.isNumber(element.clientTop) ? element.clientTop :
+ getPixelValue(element, 'borderTopWidth');
+ },
+
+ 'border-bottom': function(element) {
+ return Object.isNumber(element.clientBottom) ? element.clientBottom :
+ getPixelValue(element, 'borderBottomWidth');
+ },
+
+ 'border-left': function(element) {
+ return Object.isNumber(element.clientLeft) ? element.clientLeft :
+ getPixelValue(element, 'borderLeftWidth');
+ },
+
+ 'border-right': function(element) {
+ return Object.isNumber(element.clientRight) ? element.clientRight :
+ getPixelValue(element, 'borderRightWidth');
+ },
+
+ 'margin-top': function(element) {
+ return getPixelValue(element, 'marginTop');
+ },
+
+ 'margin-bottom': function(element) {
+ return getPixelValue(element, 'marginBottom');
+ },
+
+ 'margin-left': function(element) {
+ return getPixelValue(element, 'marginLeft');
+ },
+
+ 'margin-right': function(element) {
+ return getPixelValue(element, 'marginRight');
+ }
+ }
+ });
+
+ if ('getBoundingClientRect' in document.documentElement) {
+ Object.extend(Element.Layout.COMPUTATIONS, {
+ 'right': function(element) {
+ var parent = hasLayout(element.getOffsetParent());
+ var rect = element.getBoundingClientRect(),
+ pRect = parent.getBoundingClientRect();
+
+ return (pRect.right - rect.right).round();
+ },
+
+ 'bottom': function(element) {
+ var parent = hasLayout(element.getOffsetParent());
+ var rect = element.getBoundingClientRect(),
+ pRect = parent.getBoundingClientRect();
+
+ return (pRect.bottom - rect.bottom).round();
+ }
+ });
+ }
+
+ Element.Offset = Class.create({
+ initialize: function(left, top) {
+ this.left = left.round();
+ this.top = top.round();
+
+ this[0] = this.left;
+ this[1] = this.top;
+ },
+
+ relativeTo: function(offset) {
+ return new Element.Offset(
+ this.left - offset.left,
+ this.top - offset.top
+ );
+ },
+
+ inspect: function() {
+ return "#<Element.Offset left: #{left} top: #{top}>".interpolate(this);
+ },
+
+ toString: function() {
+ return "[#{left}, #{top}]".interpolate(this);
+ },
+
+ toArray: function() {
+ return [this.left, this.top];
+ }
+ });
+
+ function getLayout(element, preCompute) {
+ return new Element.Layout(element, preCompute);
+ }
+
+ function measure(element, property) {
+ return $(element).getLayout().get(property);
+ }
+
+ function getDimensions(element) {
+ var layout = $(element).getLayout();
+ return {
+ width: layout.get('width'),
+ height: layout.get('height')
+ };
+ }
+
+ function getOffsetParent(element) {
+ if (isDetached(element)) return $(document.body);
+
+ var isInline = (Element.getStyle(element, 'display') === 'inline');
+ if (!isInline && 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.nodeName === 'HTML') ? $(document.body) : $(element);
+ }
+ }
+
+ return $(document.body);
+ }
+
+
+ function cumulativeOffset(element) {
+ var valueT = 0, valueL = 0;
+ do {
+ valueT += element.offsetTop || 0;
+ valueL += element.offsetLeft || 0;
+ element = element.offsetParent;
+ } while (element);
+ return new Element.Offset(valueL, valueT);
+ }
+
+ function positionedOffset(element) {
+ var layout = element.getLayout();
+
+ var valueT = 0, valueL = 0;
+ do {
+ valueT += element.offsetTop || 0;
+ valueL += element.offsetLeft || 0;
+ element = element.offsetParent;
+ if (element) {
+ if (isBody(element)) break;
+ var p = Element.getStyle(element, 'position');
+ if (p !== 'static') break;
+ }
+ } while (element);
+
+ valueL -= layout.get('margin-top');
+ valueT -= layout.get('margin-left');
+
+ return new Element.Offset(valueL, valueT);
+ }
+
+ function cumulativeScrollOffset(element) {
+ var valueT = 0, valueL = 0;
+ do {
+ valueT += element.scrollTop || 0;
+ valueL += element.scrollLeft || 0;
+ element = element.parentNode;
+ } while (element);
+ return new Element.Offset(valueL, valueT);
+ }
+
+ function viewportOffset(forElement) {
+ var valueT = 0, valueL = 0, docBody = document.body;
+
+ var element = forElement;
+ do {
+ valueT += element.offsetTop || 0;
+ valueL += element.offsetLeft || 0;
+ if (element.offsetParent == docBody &&
+ Element.getStyle(element, 'position') == 'absolute') break;
+ } while (element = element.offsetParent);
+
+ element = forElement;
+ do {
+ if (element != docBody) {
+ valueT -= element.scrollTop || 0;
+ valueL -= element.scrollLeft || 0;
+ }
+ } while (element = element.parentNode);
+ return new Element.Offset(valueL, valueT);
+ }
+
+ function absolutize(element) {
+ element = $(element);
+
+ if (Element.getStyle(element, 'position') === 'absolute') {
+ return element;
+ }
+
+ var offsetParent = getOffsetParent(element);
+ var eOffset = element.viewportOffset(),
+ pOffset = offsetParent.viewportOffset();
+
+ var offset = eOffset.relativeTo(pOffset);
+ var layout = element.getLayout();
+
+ element.store('prototype_absolutize_original_styles', {
+ left: element.getStyle('left'),
+ top: element.getStyle('top'),
+ width: element.getStyle('width'),
+ height: element.getStyle('height')
+ });
+
+ element.setStyle({
+ position: 'absolute',
+ top: offset.top + 'px',
+ left: offset.left + 'px',
+ width: layout.get('width') + 'px',
+ height: layout.get('height') + 'px'
+ });
+
+ return element;
+ }
+
+ function relativize(element) {
+ element = $(element);
+ if (Element.getStyle(element, 'position') === 'relative') {
+ return element;
+ }
+
+ var originalStyles =
+ element.retrieve('prototype_absolutize_original_styles');
+
+ if (originalStyles) element.setStyle(originalStyles);
+ return element;
+ }
+
+ Element.addMethods({
+ getLayout: getLayout,
+ measure: measure,
+ getDimensions: getDimensions,
+ getOffsetParent: getOffsetParent,
+ cumulativeOffset: cumulativeOffset,
+ positionedOffset: positionedOffset,
+ cumulativeScrollOffset: cumulativeScrollOffset,
+ viewportOffset: viewportOffset,
+ absolutize: absolutize,
+ relativize: relativize
+ });
+
+ function isBody(element) {
+ return element.nodeName.toUpperCase() === 'BODY';
+ }
+
+ function isDetached(element) {
+ return element !== document.body &&
+ !Element.descendantOf(element, document.body);
+ }
+
+ if ('getBoundingClientRect' in document.documentElement) {
+ Element.addMethods({
+ viewportOffset: function(element) {
+ element = $(element);
+ if (isDetached(element)) return new Element.Offset(0, 0);
+
+ var rect = element.getBoundingClientRect(),
+ docEl = document.documentElement;
+ return new Element.Offset(rect.left - docEl.clientLeft,
+ rect.top - docEl.clientTop);
+ },
+
+ positionedOffset: function(element) {
+ element = $(element);
+ var parent = element.getOffsetParent();
+ if (isDetached(element)) return new Element.Offset(0, 0);
+
+ if (element.offsetParent &&
+ element.offsetParent.nodeName.toUpperCase() === 'HTML') {
+ return positionedOffset(element);
+ }
+
+ var eOffset = element.viewportOffset(),
+ pOffset = isBody(parent) ? viewportOffset(parent) :
+ parent.viewportOffset();
+ var retOffset = eOffset.relativeTo(pOffset);
+
+ var layout = element.getLayout();
+ var top = retOffset.top - layout.get('margin-top');
+ var left = retOffset.left - layout.get('margin-left');
+
+ return new Element.Offset(left, top);
+ }
+ });
+ }
+})();
+window.$$ = function() {
+ var expression = $A(arguments).join(', ');
+ return Prototype.Selector.select(expression, document);
+};
+
+Prototype.Selector = (function() {
+
+ function select() {
+ throw new Error('Method "Prototype.Selector.select" must be defined.');
+ }
+
+ function match() {
+ throw new Error('Method "Prototype.Selector.match" must be defined.');
+ }
+
+ function find(elements, expression, index) {
+ index = index || 0;
+ var match = Prototype.Selector.match, length = elements.length, matchIndex = 0, i;
+
+ for (i = 0; i < length; i++) {
+ if (match(elements[i], expression) && index == matchIndex++) {
+ return Element.extend(elements[i]);
+ }
+ }
+ }
+
+ function extendElements(elements) {
+ for (var i = 0, length = elements.length; i < length; i++) {
+ Element.extend(elements[i]);
+ }
+ return elements;
+ }
+
+
+ var K = Prototype.K;
+
+ return {
+ select: select,
+ match: match,
+ find: find,
+ extendElements: (Element.extend === K) ? K : extendElements,
+ extendElement: Element.extend
+ };
+})();
+Prototype._original_property = window.Sizzle;
+/*!
+ * Sizzle CSS Selector Engine - v1.0
+ * Copyright 2009, The Dojo Foundation
+ * Released under the MIT, BSD, and GPL Licenses.
+ * More information: http://sizzlejs.com/
+ */
+(function(){
+
+var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
+ done = 0,
+ toString = Object.prototype.toString,
+ hasDuplicate = false,
+ baseHasDuplicate = true;
+
+[0, 0].sort(function(){
+ baseHasDuplicate = false;
+ return 0;
+});
+
+var Sizzle = function(selector, context, results, seed) {
+ results = results || [];
+ var origContext = context = context || document;
+
+ if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
+ return [];
+ }
+
+ if ( !selector || typeof selector !== "string" ) {
+ return results;
+ }
+
+ var parts = [], m, set, checkSet, check, mode, extra, prune = true, contextXML = isXML(context),
+ soFar = selector;
+
+ while ( (chunker.exec(""), m = chunker.exec(soFar)) !== null ) {
+ soFar = m[3];
+
+ parts.push( m[1] );
+
+ if ( m[2] ) {
+ extra = m[3];
+ break;
+ }
+ }
+
+ if ( parts.length > 1 && origPOS.exec( selector ) ) {
+ if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
+ set = posProcess( parts[0] + parts[1], context );
+ } else {
+ set = Expr.relative[ parts[0] ] ?
+ [ context ] :
+ Sizzle( parts.shift(), context );
+
+ while ( parts.length ) {
+ selector = parts.shift();
+
+ if ( Expr.relative[ selector ] )
+ selector += parts.shift();
+
+ set = posProcess( selector, set );
+ }
+ }
+ } else {
+ if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML &&
+ Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) {
+ var ret = Sizzle.find( parts.shift(), context, contextXML );
+ context = ret.expr ? Sizzle.filter( ret.expr, ret.set )[0] : ret.set[0];
+ }
+
+ if ( context ) {
+ var ret = seed ?
+ { expr: parts.pop(), set: makeArray(seed) } :
+ Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML );
+ set = ret.expr ? Sizzle.filter( ret.expr, ret.set ) : ret.set;
+
+ if ( parts.length > 0 ) {
+ checkSet = makeArray(set);
+ } else {
+ prune = false;
+ }
+
+ while ( parts.length ) {
+ var cur = parts.pop(), pop = cur;
+
+ if ( !Expr.relative[ cur ] ) {
+ cur = "";
+ } else {
+ pop = parts.pop();
+ }
+
+ if ( pop == null ) {
+ pop = context;
+ }
+
+ Expr.relative[ cur ]( checkSet, pop, contextXML );
+ }
+ } else {
+ checkSet = parts = [];
+ }
+ }
+
+ if ( !checkSet ) {
+ checkSet = set;
+ }
+
+ if ( !checkSet ) {
+ throw "Syntax error, unrecognized expression: " + (cur || selector);
+ }
+
+ if ( toString.call(checkSet) === "[object Array]" ) {
+ if ( !prune ) {
+ results.push.apply( results, checkSet );
+ } else if ( context && context.nodeType === 1 ) {
+ for ( var i = 0; checkSet[i] != null; i++ ) {
+ if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && contains(context, checkSet[i])) ) {
+ results.push( set[i] );
+ }
+ }
+ } else {
+ for ( var i = 0; checkSet[i] != null; i++ ) {
+ if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
+ results.push( set[i] );
+ }
+ }
+ }
+ } else {
+ makeArray( checkSet, results );
+ }
+
+ if ( extra ) {
+ Sizzle( extra, origContext, results, seed );
+ Sizzle.uniqueSort( results );
+ }
+
+ return results;
+};
+
+Sizzle.uniqueSort = function(results){
+ if ( sortOrder ) {
+ hasDuplicate = baseHasDuplicate;
+ results.sort(sortOrder);
+
+ if ( hasDuplicate ) {
+ for ( var i = 1; i < results.length; i++ ) {
+ if ( results[i] === results[i-1] ) {
+ results.splice(i--, 1);
+ }
+ }
+ }
+ }
+
+ return results;
+};
+
+Sizzle.matches = function(expr, set){
+ return Sizzle(expr, null, null, set);
+};
+
+Sizzle.find = function(expr, context, isXML){
+ var set, match;
+
+ if ( !expr ) {
+ return [];
+ }
+
+ for ( var i = 0, l = Expr.order.length; i < l; i++ ) {
+ var type = Expr.order[i], match;
+
+ if ( (match = Expr.leftMatch[ type ].exec( expr )) ) {
+ var left = match[1];
+ match.splice(1,1);
+
+ if ( left.substr( left.length - 1 ) !== "\\" ) {
+ match[1] = (match[1] || "").replace(/\\/g, "");
+ set = Expr.find[ type ]( match, context, isXML );
+ if ( set != null ) {
+ expr = expr.replace( Expr.match[ type ], "" );
+ break;
+ }
+ }
+ }
+ }
+
+ if ( !set ) {
+ set = context.getElementsByTagName("*");
+ }
+
+ return {set: set, expr: expr};
+};
+
+Sizzle.filter = function(expr, set, inplace, not){
+ var old = expr, result = [], curLoop = set, match, anyFound,
+ isXMLFilter = set && set[0] && isXML(set[0]);
+
+ while ( expr && set.length ) {
+ for ( var type in Expr.filter ) {
+ if ( (match = Expr.match[ type ].exec( expr )) != null ) {
+ var filter = Expr.filter[ type ], found, item;
+ anyFound = false;
+
+ if ( curLoop == result ) {
+ result = [];
+ }
+
+ if ( Expr.preFilter[ type ] ) {
+ match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );
+
+ if ( !match ) {
+ anyFound = found = true;
+ } else if ( match === true ) {
+ continue;
+ }
+ }
+
+ if ( match ) {
+ for ( var i = 0; (item = curLoop[i]) != null; i++ ) {
+ if ( item ) {
+ found = filter( item, match, i, curLoop );
+ var pass = not ^ !!found;
+
+ if ( inplace && found != null ) {
+ if ( pass ) {
+ anyFound = true;
+ } else {
+ curLoop[i] = false;
+ }
+ } else if ( pass ) {
+ result.push( item );
+ anyFound = true;
+ }
+ }
+ }
+ }
+
+ if ( found !== undefined ) {
+ if ( !inplace ) {
+ curLoop = result;
+ }
+
+ expr = expr.replace( Expr.match[ type ], "" );
+
+ if ( !anyFound ) {
+ return [];
+ }
+
+ break;
+ }
+ }
+ }
+
+ if ( expr == old ) {
+ if ( anyFound == null ) {
+ throw "Syntax error, unrecognized expression: " + expr;
+ } else {
+ break;
+ }
+ }
+
+ old = expr;
+ }
+
+ return curLoop;
+};
+
+var Expr = Sizzle.selectors = {
+ order: [ "ID", "NAME", "TAG" ],
+ match: {
+ ID: /#((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
+ CLASS: /\.((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
+ NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF-]|\\.)+)['"]*\]/,
+ ATTR: /\[\s*((?:[\w\u00c0-\uFFFF-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,
+ TAG: /^((?:[\w\u00c0-\uFFFF\*-]|\\.)+)/,
+ CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/,
+ POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/,
+ PSEUDO: /:((?:[\w\u00c0-\uFFFF-]|\\.)+)(?:\((['"]*)((?:\([^\)]+\)|[^\2\(\)]*)+)\2\))?/
+ },
+ leftMatch: {},
+ attrMap: {
+ "class": "className",
+ "for": "htmlFor"
+ },
+ attrHandle: {
+ href: function(elem){
+ return elem.getAttribute("href");
+ }
+ },
+ relative: {
+ "+": function(checkSet, part, isXML){
+ var isPartStr = typeof part === "string",
+ isTag = isPartStr && !/\W/.test(part),
+ isPartStrNotTag = isPartStr && !isTag;
+
+ if ( isTag && !isXML ) {
+ part = part.toUpperCase();
+ }
+
+ for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) {
+ if ( (elem = checkSet[i]) ) {
+ while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}
+
+ checkSet[i] = isPartStrNotTag || elem && elem.nodeName === part ?
+ elem || false :
+ elem === part;
+ }
+ }
+
+ if ( isPartStrNotTag ) {
+ Sizzle.filter( part, checkSet, true );
+ }
+ },
+ ">": function(checkSet, part, isXML){
+ var isPartStr = typeof part === "string";
+
+ if ( isPartStr && !/\W/.test(part) ) {
+ part = isXML ? part : part.toUpperCase();
+
+ for ( var i = 0, l = checkSet.length; i < l; i++ ) {
+ var elem = checkSet[i];
+ if ( elem ) {
+ var parent = elem.parentNode;
+ checkSet[i] = parent.nodeName === part ? parent : false;
+ }
+ }
+ } else {
+ for ( var i = 0, l = checkSet.length; i < l; i++ ) {
+ var elem = checkSet[i];
+ if ( elem ) {
+ checkSet[i] = isPartStr ?
+ elem.parentNode :
+ elem.parentNode === part;
+ }
+ }
+
+ if ( isPartStr ) {
+ Sizzle.filter( part, checkSet, true );
+ }
+ }
+ },
+ "": function(checkSet, part, isXML){
+ var doneName = done++, checkFn = dirCheck;
+
+ if ( !/\W/.test(part) ) {
+ var nodeCheck = part = isXML ? part : part.toUpperCase();
+ checkFn = dirNodeCheck;
+ }
+
+ checkFn("parentNode", part, doneName, checkSet, nodeCheck, isXML);
+ },
+ "~": function(checkSet, part, isXML){
+ var doneName = done++, checkFn = dirCheck;
+
+ if ( typeof part === "string" && !/\W/.test(part) ) {
+ var nodeCheck = part = isXML ? part : part.toUpperCase();
+ checkFn = dirNodeCheck;
+ }
+
+ checkFn("previousSibling", part, doneName, checkSet, nodeCheck, isXML);
+ }
+ },
+ find: {
+ ID: function(match, context, isXML){
+ if ( typeof context.getElementById !== "undefined" && !isXML ) {
+ var m = context.getElementById(match[1]);
+ return m ? [m] : [];
+ }
+ },
+ NAME: function(match, context, isXML){
+ if ( typeof context.getElementsByName !== "undefined" ) {
+ var ret = [], results = context.getElementsByName(match[1]);
+
+ for ( var i = 0, l = results.length; i < l; i++ ) {
+ if ( results[i].getAttribute("name") === match[1] ) {
+ ret.push( results[i] );
+ }
+ }
+
+ return ret.length === 0 ? null : ret;
+ }
+ },
+ TAG: function(match, context){
+ return context.getElementsByTagName(match[1]);
+ }
+ },
+ preFilter: {
+ CLASS: function(match, curLoop, inplace, result, not, isXML){
+ match = " " + match[1].replace(/\\/g, "") + " ";
+
+ if ( isXML ) {
+ return match;
+ }
+
+ for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) {
+ if ( elem ) {
+ if ( not ^ (elem.className && (" " + elem.className + " ").indexOf(match) >= 0) ) {
+ if ( !inplace )
+ result.push( elem );
+ } else if ( inplace ) {
+ curLoop[i] = false;
+ }
+ }
+ }
+
+ return false;
+ },
+ ID: function(match){
+ return match[1].replace(/\\/g, "");
+ },
+ TAG: function(match, curLoop){
+ for ( var i = 0; curLoop[i] === false; i++ ){}
+ return curLoop[i] && isXML(curLoop[i]) ? match[1] : match[1].toUpperCase();
+ },
+ CHILD: function(match){
+ if ( match[1] == "nth" ) {
+ var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
+ match[2] == "even" && "2n" || match[2] == "odd" && "2n+1" ||
+ !/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);
+
+ match[2] = (test[1] + (test[2] || 1)) - 0;
+ match[3] = test[3] - 0;
+ }
+
+ match[0] = done++;
+
+ return match;
+ },
+ ATTR: function(match, curLoop, inplace, result, not, isXML){
+ var name = match[1].replace(/\\/g, "");
+
+ if ( !isXML && Expr.attrMap[name] ) {
+ match[1] = Expr.attrMap[name];
+ }
+
+ if ( match[2] === "~=" ) {
+ match[4] = " " + match[4] + " ";
+ }
+
+ return match;
+ },
+ PSEUDO: function(match, curLoop, inplace, result, not){
+ if ( match[1] === "not" ) {
+ if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
+ match[3] = Sizzle(match[3], null, null, curLoop);
+ } else {
+ var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not);
+ if ( !inplace ) {
+ result.push.apply( result, ret );
+ }
+ return false;
+ }
+ } else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
+ return true;
+ }
+
+ return match;
+ },
+ POS: function(match){
+ match.unshift( true );
+ return match;
+ }
+ },
+ filters: {
+ enabled: function(elem){
+ return elem.disabled === false && elem.type !== "hidden";
+ },
+ disabled: function(elem){
+ return elem.disabled === true;
+ },
+ checked: function(elem){
+ return elem.checked === true;
+ },
+ selected: function(elem){
+ elem.parentNode.selectedIndex;
+ return elem.selected === true;
+ },
+ parent: function(elem){
+ return !!elem.firstChild;
+ },
+ empty: function(elem){
+ return !elem.firstChild;
+ },
+ has: function(elem, i, match){
+ return !!Sizzle( match[3], elem ).length;
+ },
+ header: function(elem){
+ return /h\d/i.test( elem.nodeName );
+ },
+ text: function(elem){
+ return "text" === elem.type;
+ },
+ radio: function(elem){
+ return "radio" === elem.type;
+ },
+ checkbox: function(elem){
+ return "checkbox" === elem.type;
+ },
+ file: function(elem){
+ return "file" === elem.type;
+ },
+ password: function(elem){
+ return "password" === elem.type;
+ },
+ submit: function(elem){
+ return "submit" === elem.type;
+ },
+ image: function(elem){
+ return "image" === elem.type;
+ },
+ reset: function(elem){
+ return "reset" === elem.type;
+ },
+ button: function(elem){
+ return "button" === elem.type || elem.nodeName.toUpperCase() === "BUTTON";
+ },
+ input: function(elem){
+ return /input|select|textarea|button/i.test(elem.nodeName);
+ }
+ },
+ setFilters: {
+ first: function(elem, i){
+ return i === 0;
+ },
+ last: function(elem, i, match, array){
+ return i === array.length - 1;
+ },
+ even: function(elem, i){
+ return i % 2 === 0;
+ },
+ odd: function(elem, i){
+ return i % 2 === 1;
+ },
+ lt: function(elem, i, match){
+ return i < match[3] - 0;
+ },
+ gt: function(elem, i, match){
+ return i > match[3] - 0;
+ },
+ nth: function(elem, i, match){
+ return match[3] - 0 == i;
+ },
+ eq: function(elem, i, match){
+ return match[3] - 0 == i;
+ }
+ },
+ filter: {
+ PSEUDO: function(elem, match, i, array){
+ var name = match[1], filter = Expr.filters[ name ];
+
+ if ( filter ) {
+ return filter( elem, i, match, array );
+ } else if ( name === "contains" ) {
+ return (elem.textContent || elem.innerText || "").indexOf(match[3]) >= 0;
+ } else if ( name === "not" ) {
+ var not = match[3];
+
+ for ( var i = 0, l = not.length; i < l; i++ ) {
+ if ( not[i] === elem ) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+ },
+ CHILD: function(elem, match){
+ var type = match[1], node = elem;
+ switch (type) {
+ case 'only':
+ case 'first':
+ while ( (node = node.previousSibling) ) {
+ if ( node.nodeType === 1 ) return false;
+ }
+ if ( type == 'first') return true;
+ node = elem;
+ case 'last':
+ while ( (node = node.nextSibling) ) {
+ if ( node.nodeType === 1 ) return false;
+ }
+ return true;
+ case 'nth':
+ var first = match[2], last = match[3];
+
+ if ( first == 1 && last == 0 ) {
+ return true;
+ }
+
+ var doneName = match[0],
+ parent = elem.parentNode;
+
+ if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) {
+ var count = 0;
+ for ( node = parent.firstChild; node; node = node.nextSibling ) {
+ if ( node.nodeType === 1 ) {
+ node.nodeIndex = ++count;
+ }
+ }
+ parent.sizcache = doneName;
+ }
+
+ var diff = elem.nodeIndex - last;
+ if ( first == 0 ) {
+ return diff == 0;
+ } else {
+ return ( diff % first == 0 && diff / first >= 0 );
+ }
+ }
+ },
+ ID: function(elem, match){
+ return elem.nodeType === 1 && elem.getAttribute("id") === match;
+ },
+ TAG: function(elem, match){
+ return (match === "*" && elem.nodeType === 1) || elem.nodeName === match;
+ },
+ CLASS: function(elem, match){
+ return (" " + (elem.className || elem.getAttribute("class")) + " ")
+ .indexOf( match ) > -1;
+ },
+ ATTR: function(elem, match){
+ var name = match[1],
+ result = Expr.attrHandle[ name ] ?
+ Expr.attrHandle[ name ]( elem ) :
+ elem[ name ] != null ?
+ elem[ name ] :
+ elem.getAttribute( name ),
+ value = result + "",
+ type = match[2],
+ check = match[4];
+
+ return result == null ?
+ type === "!=" :
+ type === "=" ?
+ value === check :
+ type === "*=" ?
+ value.indexOf(check) >= 0 :
+ type === "~=" ?
+ (" " + value + " ").indexOf(check) >= 0 :
+ !check ?
+ value && result !== false :
+ type === "!=" ?
+ value != check :
+ type === "^=" ?
+ value.indexOf(check) === 0 :
+ type === "$=" ?
+ value.substr(value.length - check.length) === check :
+ type === "|=" ?
+ value === check || value.substr(0, check.length + 1) === check + "-" :
+ false;
+ },
+ POS: function(elem, match, i, array){
+ var name = match[2], filter = Expr.setFilters[ name ];
+
+ if ( filter ) {
+ return filter( elem, i, match, array );
+ }
+ }
+ }
+};
+
+var origPOS = Expr.match.POS;
+
+for ( var type in Expr.match ) {
+ Expr.match[ type ] = new RegExp( Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source );
+ Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source );
+}
+
+var makeArray = function(array, results) {
+ array = Array.prototype.slice.call( array, 0 );
+
+ if ( results ) {
+ results.push.apply( results, array );
+ return results;
+ }
+
+ return array;
+};
+
+try {
+ Array.prototype.slice.call( document.documentElement.childNodes, 0 );
+
+} catch(e){
+ makeArray = function(array, results) {
+ var ret = results || [];
+
+ if ( toString.call(array) === "[object Array]" ) {
+ Array.prototype.push.apply( ret, array );
+ } else {
+ if ( typeof array.length === "number" ) {
+ for ( var i = 0, l = array.length; i < l; i++ ) {
+ ret.push( array[i] );
+ }
+ } else {
+ for ( var i = 0; array[i]; i++ ) {
+ ret.push( array[i] );
+ }
+ }
+ }
+
+ return ret;
+ };
+}
+
+var sortOrder;
+
+if ( document.documentElement.compareDocumentPosition ) {
+ sortOrder = function( a, b ) {
+ if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
+ if ( a == b ) {
+ hasDuplicate = true;
+ }
+ return 0;
+ }
+
+ var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
+ if ( ret === 0 ) {
+ hasDuplicate = true;
+ }
+ return ret;
+ };
+} else if ( "sourceIndex" in document.documentElement ) {
+ sortOrder = function( a, b ) {
+ if ( !a.sourceIndex || !b.sourceIndex ) {
+ if ( a == b ) {
+ hasDuplicate = true;
+ }
+ return 0;
+ }
+
+ var ret = a.sourceIndex - b.sourceIndex;
+ if ( ret === 0 ) {
+ hasDuplicate = true;
+ }
+ return ret;
+ };
+} else if ( document.createRange ) {
+ sortOrder = function( a, b ) {
+ if ( !a.ownerDocument || !b.ownerDocument ) {
+ if ( a == b ) {
+ hasDuplicate = true;
+ }
+ return 0;
+ }
+
+ var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
+ aRange.setStart(a, 0);
+ aRange.setEnd(a, 0);
+ bRange.setStart(b, 0);
+ bRange.setEnd(b, 0);
+ var ret = aRange.compareBoundaryPoints(Range.START_TO_END, bRange);
+ if ( ret === 0 ) {
+ hasDuplicate = true;
+ }
+ return ret;
+ };
+}
+
+(function(){
+ var form = document.createElement("div"),
+ id = "script" + (new Date).getTime();
+ form.innerHTML = "<a name='" + id + "'/>";
+
+ var root = document.documentElement;
+ root.insertBefore( form, root.firstChild );
+
+ if ( !!document.getElementById( id ) ) {
+ Expr.find.ID = function(match, context, isXML){
+ if ( typeof context.getElementById !== "undefined" && !isXML ) {
+ var m = context.getElementById(match[1]);
+ return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : [];
+ }
+ };
+
+ Expr.filter.ID = function(elem, match){
+ var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
+ return elem.nodeType === 1 && node && node.nodeValue === match;
+ };
+ }
+
+ root.removeChild( form );
+ root = form = null; // release memory in IE
+})();
+
+(function(){
+
+ var div = document.createElement("div");
+ div.appendChild( document.createComment("") );
+
+ if ( div.getElementsByTagName("*").length > 0 ) {
+ Expr.find.TAG = function(match, context){
+ var results = context.getElementsByTagName(match[1]);
+
+ if ( match[1] === "*" ) {
+ var tmp = [];
+
+ for ( var i = 0; results[i]; i++ ) {
+ if ( results[i].nodeType === 1 ) {
+ tmp.push( results[i] );
+ }
+ }
+
+ results = tmp;
+ }
+
+ return results;
+ };
+ }
+
+ div.innerHTML = "<a href='#'></a>";
+ if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" &&
+ div.firstChild.getAttribute("href") !== "#" ) {
+ Expr.attrHandle.href = function(elem){
+ return elem.getAttribute("href", 2);
+ };
+ }
+
+ div = null; // release memory in IE
+})();
+
+if ( document.querySelectorAll ) (function(){
+ var oldSizzle = Sizzle, div = document.createElement("div");
+ div.innerHTML = "<p class='TEST'></p>";
+
+ if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
+ return;
+ }
+
+ Sizzle = function(query, context, extra, seed){
+ context = context || document;
+
+ if ( !seed && context.nodeType === 9 && !isXML(context) ) {
+ try {
+ return makeArray( context.querySelectorAll(query), extra );
+ } catch(e){}
+ }
+
+ return oldSizzle(query, context, extra, seed);
+ };
+
+ for ( var prop in oldSizzle ) {
+ Sizzle[ prop ] = oldSizzle[ prop ];
+ }
+
+ div = null; // release memory in IE
+})();
+
+if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){
+ var div = document.createElement("div");
+ div.innerHTML = "<div class='test e'></div><div class='test'></div>";
+
+ if ( div.getElementsByClassName("e").length === 0 )
+ return;
+
+ div.lastChild.className = "e";
+
+ if ( div.getElementsByClassName("e").length === 1 )
+ return;
+
+ Expr.order.splice(1, 0, "CLASS");
+ Expr.find.CLASS = function(match, context, isXML) {
+ if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) {
+ return context.getElementsByClassName(match[1]);
+ }
+ };
+
+ div = null; // release memory in IE
+})();
+
+function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
+ var sibDir = dir == "previousSibling" && !isXML;
+ for ( var i = 0, l = checkSet.length; i < l; i++ ) {
+ var elem = checkSet[i];
+ if ( elem ) {
+ if ( sibDir && elem.nodeType === 1 ){
+ elem.sizcache = doneName;
+ elem.sizset = i;
+ }
+ elem = elem[dir];
+ var match = false;
+
+ while ( elem ) {
+ if ( elem.sizcache === doneName ) {
+ match = checkSet[elem.sizset];
+ break;
+ }
+
+ if ( elem.nodeType === 1 && !isXML ){
+ elem.sizcache = doneName;
+ elem.sizset = i;
+ }
+
+ if ( elem.nodeName === cur ) {
+ match = elem;
+ break;
+ }
+
+ elem = elem[dir];
+ }
+
+ checkSet[i] = match;
+ }
+ }
+}
+
+function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
+ var sibDir = dir == "previousSibling" && !isXML;
+ for ( var i = 0, l = checkSet.length; i < l; i++ ) {
+ var elem = checkSet[i];
+ if ( elem ) {
+ if ( sibDir && elem.nodeType === 1 ) {
+ elem.sizcache = doneName;
+ elem.sizset = i;
+ }
+ elem = elem[dir];
+ var match = false;
+
+ while ( elem ) {
+ if ( elem.sizcache === doneName ) {
+ match = checkSet[elem.sizset];
+ break;
+ }
+
+ if ( elem.nodeType === 1 ) {
+ if ( !isXML ) {
+ elem.sizcache = doneName;
+ elem.sizset = i;
+ }
+ if ( typeof cur !== "string" ) {
+ if ( elem === cur ) {
+ match = true;
+ break;
+ }
+
+ } else if ( Sizzle.filter( cur, [elem] ).length > 0 ) {
+ match = elem;
+ break;
+ }
+ }
+
+ elem = elem[dir];
+ }
+
+ checkSet[i] = match;
+ }
+ }
+}
+
+var contains = document.compareDocumentPosition ? function(a, b){
+ return a.compareDocumentPosition(b) & 16;
+} : function(a, b){
+ return a !== b && (a.contains ? a.contains(b) : true);
+};
+
+var isXML = function(elem){
+ return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
+ !!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML";
+};
+
+var posProcess = function(selector, context){
+ var tmpSet = [], later = "", match,
+ root = context.nodeType ? [context] : context;
+
+ while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
+ later += match[0];
+ selector = selector.replace( Expr.match.PSEUDO, "" );
+ }
+
+ selector = Expr.relative[selector] ? selector + "*" : selector;
+
+ for ( var i = 0, l = root.length; i < l; i++ ) {
+ Sizzle( selector, root[i], tmpSet );
+ }
+
+ return Sizzle.filter( later, tmpSet );
+};
+
+
+window.Sizzle = Sizzle;
+
+})();
+
+;(function(engine) {
+ var extendElements = Prototype.Selector.extendElements;
+
+ function select(selector, scope) {
+ return extendElements(engine(selector, scope || document));
+ }
+
+ function match(element, selector) {
+ return engine.matches(selector, [element]).length == 1;
+ }
+
+ Prototype.Selector.engine = engine;
+ Prototype.Selector.select = select;
+ Prototype.Selector.match = match;
+})(Sizzle);
+
+window.Sizzle = Prototype._original_property;
+delete Prototype._original_property;
+
+var Form = {
+ reset: function(form) {
+ form = $(form);
+ form.reset();
+ return form;
+ },
+
+ serializeElements: function(elements, options) {
+ if (typeof options != 'object') options = { hash: !!options };
+ else if (Object.isUndefined(options.hash)) options.hash = true;
+ var key, value, submitted = false, submit = options.submit;
+
+ var data = elements.inject({ }, function(result, element) {
+ if (!element.disabled && element.name) {
+ key = element.name; value = $(element).getValue();
+ if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
+ submit !== false && (!submit || key == submit) && (submitted = true)))) {
+ if (key in result) {
+ 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) {
+ var elements = $(form).getElementsByTagName('*'),
+ element,
+ arr = [ ],
+ serializers = Form.Element.Serializers;
+ for (var i = 0; element = elements[i]; i++) {
+ arr.push(element);
+ }
+ return arr.inject([], function(elements, child) {
+ if (serializers[child.tagName.toLowerCase()])
+ elements.push(Element.extend(child));
+ return elements;
+ })
+ },
+
+ getInputs: function(form, typeName, name) {
+ form = $(form);
+ var inputs = form.getElementsByTagName('input');
+
+ if (!typeName && !name) return $A(inputs).map(Element.extend);
+
+ for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
+ var input = inputs[i];
+ if ((typeName && input.type != typeName) || (name && input.name != name))
+ continue;
+ matchingInputs.push(Element.extend(input));
+ }
+
+ return matchingInputs;
+ },
+
+ disable: function(form) {
+ form = $(form);
+ Form.getElements(form).invoke('disable');
+ return form;
+ },
+
+ enable: function(form) {
+ form = $(form);
+ Form.getElements(form).invoke('enable');
+ return form;
+ },
+
+ findFirstElement: function(form) {
+ var elements = $(form).getElements().findAll(function(element) {
+ return 'hidden' != element.type && !element.disabled;
+ });
+ var firstByIndex = elements.findAll(function(element) {
+ return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
+ }).sortBy(function(element) { return element.tabIndex }).first();
+
+ return firstByIndex ? firstByIndex : elements.find(function(element) {
+ return /^(?:input|select|textarea)$/i.test(element.tagName);
+ });
+ },
+
+ focusFirstElement: function(form) {
+ form = $(form);
+ 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);
},
- setStyle: function(element, style) {
+ setValue: function(element, value) {
element = $(element);
- for (var name in style)
- element.style[name.camelize()] = style[name];
+ var method = element.tagName.toLowerCase();
+ Form.Element.Serializers[method](element, value);
+ return element;
},
- getDimensions: function(element) {
- element = $(element);
- if (Element.getStyle(element, 'display') != 'none')
- 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;
- els.visibility = 'hidden';
- els.position = 'absolute';
- els.display = '';
- var originalWidth = element.clientWidth;
- var originalHeight = element.clientHeight;
- els.display = 'none';
- els.position = originalPosition;
- els.visibility = originalVisibility;
- return {width: originalWidth, height: originalHeight};
+ clear: function(element) {
+ $(element).value = '';
+ return element;
},
- makePositioned: function(element) {
- element = $(element);
- var pos = Element.getStyle(element, 'position');
- if (pos == 'static' || !pos) {
- element._madePositioned = true;
- element.style.position = 'relative';
- // 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;
- }
- }
+ present: function(element) {
+ return $(element).value != '';
},
- undoPositioned: function(element) {
+ activate: function(element) {
element = $(element);
- if (element._madePositioned) {
- element._madePositioned = undefined;
- element.style.position =
- element.style.top =
- element.style.left =
- element.style.bottom =
- element.style.right = '';
- }
+ try {
+ element.focus();
+ if (element.select && (element.tagName.toLowerCase() != 'input' ||
+ !(/^(?:button|reset|submit)$/i.test(element.type))))
+ element.select();
+ } catch (e) { }
+ return element;
},
- makeClipping: function(element) {
+ disable: function(element) {
element = $(element);
- if (element._overflow) return;
- element._overflow = element.style.overflow;
- if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
- element.style.overflow = 'hidden';
+ element.disabled = true;
+ return element;
},
- undoClipping: function(element) {
+ enable: function(element) {
element = $(element);
- if (element._overflow) return;
- element.style.overflow = element._overflow;
- element._overflow = undefined;
+ element.disabled = false;
+ return element;
}
-}
+};
-Object.extend(Element, Element.Methods);
+/*--------------------------------------------------------------------------*/
-var _nativeExtensions = false;
+var Field = Form.Element;
-if(!HTMLElement && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
- var HTMLElement = {}
- HTMLElement.prototype = document.createElement('div').__proto__;
-}
+var $F = Form.Element.Methods.getValue;
-Element.addMethods = function(methods) {
- Object.extend(Element.Methods, methods || {});
+/*--------------------------------------------------------------------------*/
- if(typeof HTMLElement != 'undefined') {
- var methods = Element.Methods, cache = Element.extend.cache;
- for (property in methods) {
- var value = methods[property];
- if (typeof value == 'function')
- HTMLElement.prototype[property] = cache.findOrStore(value);
+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);
}
- _nativeExtensions = true;
- }
-}
-
-Element.addMethods();
-
-var Toggle = new Object();
-Toggle.display = Element.toggle;
-
-/*--------------------------------------------------------------------------*/
+ },
-Abstract.Insertion = function(adjacency) {
- this.adjacency = adjacency;
-}
+ inputSelector: function(element, value) {
+ if (Object.isUndefined(value)) return element.checked ? element.value : null;
+ else element.checked = !!value;
+ },
-Abstract.Insertion.prototype = {
- initialize: function(element, content) {
- this.element = $(element);
- this.content = content.stripScripts();
+ textarea: function(element, value) {
+ if (Object.isUndefined(value)) return element.value;
+ else element.value = value;
+ },
- if (this.adjacency && this.element.insertAdjacentHTML) {
- try {
- this.element.insertAdjacentHTML(this.adjacency, this.content);
- } catch (e) {
- var tagName = this.element.tagName.toLowerCase();
- if (tagName == 'tbody' || tagName == 'tr') {
- this.insertContent(this.contentFromAnonymousTable());
- } else {
- throw e;
+ select: function(element, value) {
+ if (Object.isUndefined(value))
+ return this[element.type == 'select-one' ?
+ 'selectOne' : 'selectMany'](element);
+ else {
+ var opt, currentValue, single = !Object.isArray(value);
+ for (var i = 0, length = element.length; i < length; i++) {
+ opt = element.options[i];
+ currentValue = this.optionValue(opt);
+ if (single) {
+ if (currentValue == value) {
+ opt.selected = true;
+ return;
+ }
}
+ else opt.selected = value.include(currentValue);
}
- } else {
- this.range = this.element.ownerDocument.createRange();
- if (this.initializeRange) this.initializeRange();
- this.insertContent([this.range.createContextualFragment(this.content)]);
}
-
- setTimeout(function() {content.evalScripts()}, 10);
},
- contentFromAnonymousTable: function() {
- var div = document.createElement('div');
- div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
- return $A(div.childNodes[0].childNodes[0].childNodes);
- }
-}
+ selectOne: function(element) {
+ var index = element.selectedIndex;
+ return index >= 0 ? this.optionValue(element.options[index]) : null;
+ },
-var Insertion = new Object();
+ selectMany: function(element) {
+ var values, length = element.length;
+ if (!length) return null;
-Insertion.Before = Class.create();
-Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
- initializeRange: function() {
- this.range.setStartBefore(this.element);
+ for (var i = 0, values = []; i < length; i++) {
+ var opt = element.options[i];
+ if (opt.selected) values.push(this.optionValue(opt));
+ }
+ return values;
},
- insertContent: function(fragments) {
- fragments.each((function(fragment) {
- this.element.parentNode.insertBefore(fragment, this.element);
- }).bind(this));
+ optionValue: function(opt) {
+ return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
}
-});
+};
-Insertion.Top = Class.create();
-Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
- initializeRange: function() {
- this.range.selectNodeContents(this.element);
- this.range.collapse(true);
- },
+/*--------------------------------------------------------------------------*/
- insertContent: function(fragments) {
- fragments.reverse(false).each((function(fragment) {
- this.element.insertBefore(fragment, this.element.firstChild);
- }).bind(this));
- }
-});
-Insertion.Bottom = Class.create();
-Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
- initializeRange: function() {
- this.range.selectNodeContents(this.element);
- this.range.collapse(this.element);
+Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
+ initialize: function($super, element, frequency, callback) {
+ $super(callback, frequency);
+ this.element = $(element);
+ this.lastValue = this.getValue();
},
- insertContent: function(fragments) {
- fragments.each((function(fragment) {
- this.element.appendChild(fragment);
- }).bind(this));
+ 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;
+ }
}
});
-Insertion.After = Class.create();
-Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
- initializeRange: function() {
- this.range.setStartAfter(this.element);
- },
+Form.Element.Observer = Class.create(Abstract.TimedObserver, {
+ getValue: function() {
+ return Form.Element.getValue(this.element);
+ }
+});
- insertContent: function(fragments) {
- fragments.each((function(fragment) {
- this.element.parentNode.insertBefore(fragment,
- this.element.nextSibling);
- }).bind(this));
+Form.Observer = Class.create(Abstract.TimedObserver, {
+ getValue: function() {
+ return Form.serialize(this.element);
}
});
/*--------------------------------------------------------------------------*/
-Element.ClassNames = Class.create();
-Element.ClassNames.prototype = {
- initialize: function(element) {
- this.element = $(element);
- },
+Abstract.EventObserver = Class.create({
+ initialize: function(element, callback) {
+ this.element = $(element);
+ this.callback = callback;
- _each: function(iterator) {
- this.element.className.split(/\s+/).select(function(name) {
- return name.length > 0;
- })._each(iterator);
+ this.lastValue = this.getValue();
+ if (this.element.tagName.toLowerCase() == 'form')
+ this.registerFormCallbacks();
+ else
+ this.registerCallback(this.element);
},
- set: function(className) {
- this.element.className = className;
+ onElementEvent: function() {
+ var value = this.getValue();
+ if (this.lastValue != value) {
+ this.callback(this.element, value);
+ this.lastValue = value;
+ }
},
- add: function(classNameToAdd) {
- if (this.include(classNameToAdd)) return;
- this.set(this.toArray().concat(classNameToAdd).join(' '));
+ registerFormCallbacks: function() {
+ Form.getElements(this.element).each(this.registerCallback, this);
},
- remove: function(classNameToRemove) {
- if (!this.include(classNameToRemove)) return;
- this.set(this.select(function(className) {
- return className != classNameToRemove;
- }).join(' '));
- },
+ 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;
+ }
+ }
+ }
+});
- toString: function() {
- return this.toArray().join(' ');
+Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
+ getValue: function() {
+ return Form.Element.getValue(this.element);
}
-}
+});
-Object.extend(Element.ClassNames.prototype, Enumerable);
-var Selector = Class.create();
-Selector.prototype = {
- initialize: function(expression) {
- this.params = {classNames: []};
- this.expression = expression.toString().strip();
- this.parseExpression();
- this.compileMatcher();
- },
+Form.EventObserver = Class.create(Abstract.EventObserver, {
+ getValue: function() {
+ return Form.serialize(this.element);
+ }
+});
+(function() {
+
+ var Event = {
+ KEY_BACKSPACE: 8,
+ KEY_TAB: 9,
+ KEY_RETURN: 13,
+ KEY_ESC: 27,
+ KEY_LEFT: 37,
+ KEY_UP: 38,
+ KEY_RIGHT: 39,
+ KEY_DOWN: 40,
+ KEY_DELETE: 46,
+ KEY_HOME: 36,
+ KEY_END: 35,
+ KEY_PAGEUP: 33,
+ KEY_PAGEDOWN: 34,
+ KEY_INSERT: 45,
+
+ cache: {}
+ };
+
+ var docEl = document.documentElement;
+ var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
+ && 'onmouseleave' in docEl;
+
+ var _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);
+ };
+ }
- parseExpression: function() {
- function abort(message) { throw 'Parse error in selector: ' + message; }
+ function isLeftClick(event) { return _isButton(event, 0) }
- if (this.expression == '') abort('empty expression');
+ function isMiddleClick(event) { return _isButton(event, 1) }
- var params = this.params, expr = this.expression, match, modifier, clause, rest;
- while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) {
- params.attributes = params.attributes || [];
- params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''});
- expr = match[1];
+ function isRightClick(event) { return _isButton(event, 2) }
+
+ function element(event) {
+ event = Event.extend(event);
+
+ var node = event.target, type = event.type,
+ currentTarget = event.currentTarget;
+
+ if (currentTarget && currentTarget.tagName) {
+ if (type === 'load' || type === 'error' ||
+ (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
+ && currentTarget.type === 'radio'))
+ node = currentTarget;
}
- if (expr == '*') return this.params.wildcard = true;
+ if (node.nodeType == Node.TEXT_NODE)
+ node = node.parentNode;
+
+ return Element.extend(node);
+ }
- while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) {
- modifier = match[1], clause = match[2], rest = match[3];
- switch (modifier) {
- case '#': params.id = clause; break;
- case '.': params.classNames.push(clause); break;
- case '':
- case undefined: params.tagName = clause.toUpperCase(); break;
- default: abort(expr.inspect());
+ function findElement(event, expression) {
+ var element = Event.element(event);
+ if (!expression) return element;
+ while (element) {
+ if (Object.isElement(element) && Prototype.Selector.match(element, expression)) {
+ return Element.extend(element);
}
- expr = rest;
+ element = element.parentNode;
}
+ }
- if (expr.length > 0) abort(expr.inspect());
- },
+ function pointer(event) {
+ return { x: pointerX(event), y: pointerY(event) };
+ }
- buildMatchExpression: function() {
- var params = this.params, conditions = [], clause;
+ function pointerX(event) {
+ var docElement = document.documentElement,
+ body = document.body || { scrollLeft: 0 };
- if (params.wildcard)
- conditions.push('true');
- if (clause = params.id)
- conditions.push('element.id == ' + clause.inspect());
- if (clause = params.tagName)
- conditions.push('element.tagName.toUpperCase() == ' + clause.inspect());
- if ((clause = params.classNames).length > 0)
- for (var i = 0; i < clause.length; i++)
- conditions.push('Element.hasClassName(element, ' + clause[i].inspect() + ')');
- if (clause = params.attributes) {
- clause.each(function(attribute) {
- var value = 'element.getAttribute(' + attribute.name.inspect() + ')';
- var splitValueBy = function(delimiter) {
- return value + ' && ' + value + '.split(' + delimiter.inspect() + ')';
- }
+ return event.pageX || (event.clientX +
+ (docElement.scrollLeft || body.scrollLeft) -
+ (docElement.clientLeft || 0));
+ }
- switch (attribute.operator) {
- case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break;
- case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break;
- case '|=': conditions.push(
- splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect()
- ); break;
- case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break;
- case '':
- case undefined: conditions.push(value + ' != null'); break;
- default: throw 'Unknown operator ' + attribute.operator + ' in selector';
- }
- });
- }
+ function pointerY(event) {
+ var docElement = document.documentElement,
+ body = document.body || { scrollTop: 0 };
- return conditions.join(' && ');
- },
+ return event.pageY || (event.clientY +
+ (docElement.scrollTop || body.scrollTop) -
+ (docElement.clientTop || 0));
+ }
- compileMatcher: function() {
- this.match = new Function('element', 'if (!element.tagName) return false; \
- return ' + this.buildMatchExpression());
- },
- findElements: function(scope) {
- var element;
+ function stop(event) {
+ Event.extend(event);
+ event.preventDefault();
+ event.stopPropagation();
- if (element = $(this.params.id))
- if (this.match(element))
- if (!scope || Element.childOf(element, scope))
- return [element];
+ event.stopped = true;
+ }
- scope = (scope || document).getElementsByTagName(this.params.tagName || '*');
+ Event.Methods = {
+ isLeftClick: isLeftClick,
+ isMiddleClick: isMiddleClick,
+ isRightClick: isRightClick,
- var results = [];
- for (var i = 0; i < scope.length; i++)
- if (this.match(element = scope[i]))
- results.push(Element.extend(element));
+ element: element,
+ findElement: findElement,
- return results;
- },
+ pointer: pointer,
+ pointerX: pointerX,
+ pointerY: pointerY,
- toString: function() {
- return this.expression;
- }
-}
+ stop: stop
+ };
+
+
+ var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
+ m[name] = Event.Methods[name].methodize();
+ return m;
+ });
+
+ if (Prototype.Browser.IE) {
+ function _relatedTarget(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);
+ }
-function $$() {
- return $A(arguments).map(function(expression) {
- return expression.strip().split(/\s+/).inject([null], function(results, expr) {
- var selector = new Selector(expr);
- return results.map(selector.findElements.bind(selector)).flatten();
+ Object.extend(methods, {
+ stopPropagation: function() { this.cancelBubble = true },
+ preventDefault: function() { this.returnValue = false },
+ inspect: function() { return '[object Event]' }
});
- }).flatten();
-}
-var Field = {
- clear: function() {
- for (var i = 0; i < arguments.length; i++)
- $(arguments[i]).value = '';
- },
- focus: function(element) {
- $(element).focus();
- },
+ Event.extend = function(event, element) {
+ if (!event) return false;
+ if (event._extendedByPrototype) return event;
- present: function() {
- for (var i = 0; i < arguments.length; i++)
- if ($(arguments[i]).value == '') return false;
- return true;
- },
+ event._extendedByPrototype = Prototype.emptyFunction;
+ var pointer = Event.pointer(event);
- select: function(element) {
- $(element).select();
- },
+ Object.extend(event, {
+ target: event.srcElement || element,
+ relatedTarget: _relatedTarget(event),
+ pageX: pointer.x,
+ pageY: pointer.y
+ });
- activate: function(element) {
- element = $(element);
- element.focus();
- if (element.select)
- element.select();
+ return Object.extend(event, methods);
+ };
+ } else {
+ Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
+ Object.extend(Event.prototype, methods);
+ Event.extend = Prototype.K;
}
-}
-/*--------------------------------------------------------------------------*/
+ function _createResponder(element, eventName, handler) {
+ var registry = Element.retrieve(element, 'prototype_event_registry');
-var Form = {
- serialize: function(form) {
- var elements = Form.getElements($(form));
- var queryComponents = new Array();
+ if (Object.isUndefined(registry)) {
+ CACHE.push(element);
+ registry = Element.retrieve(element, 'prototype_event_registry', $H());
+ }
- for (var i = 0; i < elements.length; i++) {
- var queryComponent = Form.Element.serialize(elements[i]);
- if (queryComponent)
- queryComponents.push(queryComponent);
+ var respondersForEvent = registry.get(eventName);
+ if (Object.isUndefined(respondersForEvent)) {
+ respondersForEvent = [];
+ registry.set(eventName, respondersForEvent);
}
- return queryComponents.join('&');
- },
+ if (respondersForEvent.pluck('handler').include(handler)) return false;
- getElements: function(form) {
- form = $(form);
- var elements = new Array();
+ var responder;
+ if (eventName.include(":")) {
+ responder = function(event) {
+ if (Object.isUndefined(event.eventName))
+ return false;
- for (var tagName in Form.Element.Serializers) {
- var tagElements = form.getElementsByTagName(tagName);
- for (var j = 0; j < tagElements.length; j++)
- elements.push(tagElements[j]);
- }
- return elements;
- },
+ if (event.eventName !== eventName)
+ return false;
- getInputs: function(form, typeName, name) {
- form = $(form);
- var inputs = form.getElementsByTagName('input');
+ Event.extend(event, element);
+ handler.call(element, event);
+ };
+ } else {
+ if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
+ (eventName === "mouseenter" || eventName === "mouseleave")) {
+ if (eventName === "mouseenter" || eventName === "mouseleave") {
+ responder = function(event) {
+ Event.extend(event, element);
+
+ var parent = event.relatedTarget;
+ while (parent && parent !== element) {
+ try { parent = parent.parentNode; }
+ catch(e) { parent = element; }
+ }
+
+ if (parent === element) return;
+
+ handler.call(element, event);
+ };
+ }
+ } else {
+ responder = function(event) {
+ Event.extend(event, element);
+ handler.call(element, event);
+ };
+ }
+ }
- if (!typeName && !name)
- return inputs;
+ responder.handler = handler;
+ respondersForEvent.push(responder);
+ return responder;
+ }
- var matchingInputs = new Array();
- for (var i = 0; i < inputs.length; i++) {
- var input = inputs[i];
- if ((typeName && input.type != typeName) ||
- (name && input.name != name))
- continue;
- matchingInputs.push(input);
+ function _destroyCache() {
+ for (var i = 0, length = CACHE.length; i < length; i++) {
+ Event.stopObserving(CACHE[i]);
+ CACHE[i] = null;
}
+ }
- return matchingInputs;
- },
+ var CACHE = [];
- disable: function(form) {
- var elements = Form.getElements(form);
- for (var i = 0; i < elements.length; i++) {
- var element = elements[i];
- element.blur();
- element.disabled = 'true';
- }
- },
+ if (Prototype.Browser.IE)
+ window.attachEvent('onunload', _destroyCache);
- enable: function(form) {
- var elements = Form.getElements(form);
- for (var i = 0; i < elements.length; i++) {
- var element = elements[i];
- element.disabled = '';
- }
- },
+ if (Prototype.Browser.WebKit)
+ window.addEventListener('unload', Prototype.emptyFunction, false);
- findFirstElement: function(form) {
- return Form.getElements(form).find(function(element) {
- return element.type != 'hidden' && !element.disabled &&
- ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
- });
- },
- focusFirstElement: function(form) {
- Field.activate(Form.findFirstElement(form));
- },
+ var _getDOMEventName = Prototype.K,
+ translations = { mouseenter: "mouseover", mouseleave: "mouseout" };
- reset: function(form) {
- $(form).reset();
+ if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
+ _getDOMEventName = function(eventName) {
+ return (translations[eventName] || eventName);
+ };
}
-}
-Form.Element = {
- serialize: function(element) {
+ function observe(element, eventName, handler) {
element = $(element);
- var method = element.tagName.toLowerCase();
- var parameter = Form.Element.Serializers[method](element);
- if (parameter) {
- var key = encodeURIComponent(parameter[0]);
- if (key.length == 0) return;
+ var responder = _createResponder(element, eventName, handler);
- if (parameter[1].constructor != Array)
- parameter[1] = [parameter[1]];
+ if (!responder) return element;
+
+ if (eventName.include(':')) {
+ if (element.addEventListener)
+ element.addEventListener("dataavailable", responder, false);
+ else {
+ element.attachEvent("ondataavailable", responder);
+ element.attachEvent("onfilterchange", responder);
+ }
+ } else {
+ var actualEventName = _getDOMEventName(eventName);
- return parameter[1].map(function(value) {
- return key + '=' + encodeURIComponent(value);
- }).join('&');
+ if (element.addEventListener)
+ element.addEventListener(actualEventName, responder, false);
+ else
+ element.attachEvent("on" + actualEventName, responder);
}
- },
- getValue: function(element) {
+ return element;
+ }
+
+ function stopObserving(element, eventName, handler) {
+ element = $(element);
+
+ var registry = Element.retrieve(element, 'prototype_event_registry');
+ if (!registry) return element;
+
+ if (!eventName) {
+ registry.each( function(pair) {
+ var eventName = pair.key;
+ stopObserving(element, eventName);
+ });
+ return element;
+ }
+
+ var responders = registry.get(eventName);
+ if (!responders) return element;
+
+ if (!handler) {
+ responders.each(function(r) {
+ stopObserving(element, eventName, r.handler);
+ });
+ return element;
+ }
+
+ var responder = responders.find( function(r) { return r.handler === handler; });
+ if (!responder) return element;
+
+ if (eventName.include(':')) {
+ if (element.removeEventListener)
+ element.removeEventListener("dataavailable", responder, false);
+ else {
+ element.detachEvent("ondataavailable", responder);
+ element.detachEvent("onfilterchange", responder);
+ }
+ } else {
+ var actualEventName = _getDOMEventName(eventName);
+ if (element.removeEventListener)
+ element.removeEventListener(actualEventName, responder, false);
+ else
+ element.detachEvent('on' + actualEventName, responder);
+ }
+
+ registry.set(eventName, responders.without(responder));
+
+ return element;
+ }
+
+ function fire(element, eventName, memo, bubble) {
element = $(element);
- var method = element.tagName.toLowerCase();
- var parameter = Form.Element.Serializers[method](element);
- if (parameter)
- return parameter[1];
- }
-}
+ if (Object.isUndefined(bubble))
+ bubble = true;
-Form.Element.Serializers = {
- input: function(element) {
- switch (element.type.toLowerCase()) {
- case 'submit':
- case 'hidden':
- case 'password':
- case 'text':
- return Form.Element.Serializers.textarea(element);
- case 'checkbox':
- case 'radio':
- return Form.Element.Serializers.inputSelector(element);
+ 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 = bubble ? 'ondataavailable' : 'onfilterchange';
}
- return false;
- },
- inputSelector: function(element) {
- if (element.checked)
- return [element.name, element.value];
- },
+ event.eventName = eventName;
+ event.memo = memo || { };
- textarea: function(element) {
- return [element.name, element.value];
- },
+ if (document.createEvent)
+ element.dispatchEvent(event);
+ else
+ element.fireEvent(event.eventType, event);
- select: function(element) {
- return Form.Element.Serializers[element.type == 'select-one' ?
- 'selectOne' : 'selectMany'](element);
- },
+ return Event.extend(event);
+ }
- selectOne: function(element) {
- var value = '', opt, index = element.selectedIndex;
- if (index >= 0) {
- opt = element.options[index];
- value = opt.value || opt.text;
+ Event.Handler = Class.create({
+ initialize: function(element, eventName, selector, callback) {
+ this.element = $(element);
+ this.eventName = eventName;
+ this.selector = selector;
+ this.callback = callback;
+ this.handler = this.handleEvent.bind(this);
+ },
+
+ start: function() {
+ Event.observe(this.element, this.eventName, this.handler);
+ return this;
+ },
+
+ stop: function() {
+ Event.stopObserving(this.element, this.eventName, this.handler);
+ return this;
+ },
+
+ handleEvent: function(event) {
+ var element = event.findElement(this.selector);
+ if (element) this.callback.call(this.element, event, element);
}
- return [element.name, value];
- },
+ });
- selectMany: function(element) {
- var value = [];
- for (var i = 0; i < element.length; i++) {
- var opt = element.options[i];
- if (opt.selected)
- value.push(opt.value || opt.text);
+ function on(element, eventName, selector, callback) {
+ element = $(element);
+ if (Object.isFunction(selector) && Object.isUndefined(callback)) {
+ callback = selector, selector = null;
}
- return [element.name, value];
+
+ return new Event.Handler(element, eventName, selector, callback).start();
}
-}
-/*--------------------------------------------------------------------------*/
+ Object.extend(Event, Event.Methods);
-var $F = Form.Element.getValue;
+ Object.extend(Event, {
+ fire: fire,
+ observe: observe,
+ stopObserving: stopObserving,
+ on: on
+ });
-/*--------------------------------------------------------------------------*/
+ Element.addMethods({
+ fire: fire,
-Abstract.TimedObserver = function() {}
-Abstract.TimedObserver.prototype = {
- initialize: function(element, frequency, callback) {
- this.frequency = frequency;
- this.element = $(element);
- this.callback = callback;
+ observe: observe,
- this.lastValue = this.getValue();
- this.registerCallback();
- },
+ stopObserving: stopObserving,
- registerCallback: function() {
- setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
- },
+ on: on
+ });
- onTimerEvent: function() {
- var value = this.getValue();
- if (this.lastValue != value) {
- this.callback(this.element, value);
- this.lastValue = value;
- }
- }
-}
+ Object.extend(document, {
+ fire: fire.methodize(),
-Form.Element.Observer = Class.create();
-Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
- getValue: function() {
- return Form.Element.getValue(this.element);
- }
-});
+ observe: observe.methodize(),
-Form.Observer = Class.create();
-Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
- getValue: function() {
- return Form.serialize(this.element);
- }
-});
+ stopObserving: stopObserving.methodize(),
-/*--------------------------------------------------------------------------*/
+ on: on.methodize(),
-Abstract.EventObserver = function() {}
-Abstract.EventObserver.prototype = {
- initialize: function(element, callback) {
- this.element = $(element);
- this.callback = callback;
+ loaded: false
+ });
- this.lastValue = this.getValue();
- if (this.element.tagName.toLowerCase() == 'form')
- this.registerFormCallbacks();
- else
- this.registerCallback(this.element);
- },
+ if (window.Event) Object.extend(window.Event, Event);
+ else window.Event = Event;
+})();
- onElementEvent: function() {
- var value = this.getValue();
- if (this.lastValue != value) {
- this.callback(this.element, value);
- this.lastValue = value;
- }
- },
+(function() {
+ /* Support for the DOMContentLoaded event is based on work by Dan Webb,
+ Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */
- registerFormCallbacks: function() {
- var elements = Form.getElements(this.element);
- for (var i = 0; i < elements.length; i++)
- this.registerCallback(elements[i]);
- },
+ var timer;
- registerCallback: function(element) {
- if (element.type) {
- switch (element.type.toLowerCase()) {
- case 'checkbox':
- case 'radio':
- Event.observe(element, 'click', this.onElementEvent.bind(this));
- break;
- case 'password':
- case 'text':
- case 'textarea':
- case 'select-one':
- case 'select-multiple':
- Event.observe(element, 'change', this.onElementEvent.bind(this));
- break;
- }
- }
+ function fireContentLoadedEvent() {
+ if (document.loaded) return;
+ if (timer) window.clearTimeout(timer);
+ document.loaded = true;
+ document.fire('dom:loaded');
}
-}
-Form.Element.EventObserver = Class.create();
-Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
- getValue: function() {
- return Form.Element.getValue(this.element);
+ function checkReadyState() {
+ if (document.readyState === 'complete') {
+ document.stopObserving('readystatechange', checkReadyState);
+ fireContentLoadedEvent();
+ }
}
-});
-Form.EventObserver = Class.create();
-Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
- getValue: function() {
- return Form.serialize(this.element);
+ function pollDoScroll() {
+ try { document.documentElement.doScroll('left'); }
+ catch(e) {
+ timer = pollDoScroll.defer();
+ return;
+ }
+ fireContentLoadedEvent();
}
-});
-if (!window.Event) {
- var Event = new Object();
-}
-Object.extend(Event, {
- KEY_BACKSPACE: 8,
- KEY_TAB: 9,
- KEY_RETURN: 13,
- KEY_ESC: 27,
- KEY_LEFT: 37,
- KEY_UP: 38,
- KEY_RIGHT: 39,
- KEY_DOWN: 40,
- KEY_DELETE: 46,
-
- element: function(event) {
- return event.target || event.srcElement;
- },
+ if (document.addEventListener) {
+ document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);
+ } else {
+ document.observe('readystatechange', checkReadyState);
+ if (window == top)
+ timer = pollDoScroll.defer();
+ }
- isLeftClick: function(event) {
- return (((event.which) && (event.which == 1)) ||
- ((event.button) && (event.button == 1)));
- },
+ Event.observe(window, 'load', fireContentLoadedEvent);
+})();
- pointerX: function(event) {
- return event.pageX || (event.clientX +
- (document.documentElement.scrollLeft || document.body.scrollLeft));
- },
+Element.addMethods();
- pointerY: function(event) {
- return event.pageY || (event.clientY +
- (document.documentElement.scrollTop || document.body.scrollTop));
- },
+/*------------------------------- DEPRECATED -------------------------------*/
- stop: function(event) {
- if (event.preventDefault) {
- event.preventDefault();
- event.stopPropagation();
- } else {
- event.returnValue = false;
- event.cancelBubble = true;
- }
- },
+Hash.toQueryString = Object.toQueryString;
- // find the first node with the given tagName, starting from the
- // node the event was triggered on; traverses the DOM upwards
- findElement: function(event, tagName) {
- var element = Event.element(event);
- while (element.parentNode && (!element.tagName ||
- (element.tagName.toUpperCase() != tagName.toUpperCase())))
- element = element.parentNode;
- return element;
- },
+var Toggle = { display: Element.toggle };
- observers: false,
+Element.Methods.childOf = Element.Methods.descendantOf;
- _observeAndCache: function(element, name, observer, useCapture) {
- if (!this.observers) this.observers = [];
- if (element.addEventListener) {
- this.observers.push([element, name, observer, useCapture]);
- element.addEventListener(name, observer, useCapture);
- } else if (element.attachEvent) {
- this.observers.push([element, name, observer, useCapture]);
- element.attachEvent('on' + name, observer);
- }
+var Insertion = {
+ Before: function(element, content) {
+ return Element.insert(element, {before:content});
},
- unloadCache: function() {
- if (!Event.observers) return;
- for (var i = 0; i < Event.observers.length; i++) {
- Event.stopObserving.apply(this, Event.observers[i]);
- Event.observers[i][0] = null;
- }
- Event.observers = false;
+ Top: function(element, content) {
+ return Element.insert(element, {top:content});
},
- observe: function(element, name, observer, useCapture) {
- var element = $(element);
- useCapture = useCapture || false;
-
- if (name == 'keypress' &&
- (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
- || element.attachEvent))
- name = 'keydown';
-
- this._observeAndCache(element, name, observer, useCapture);
+ Bottom: function(element, content) {
+ return Element.insert(element, {bottom:content});
},
- stopObserving: function(element, name, observer, useCapture) {
- var element = $(element);
- useCapture = useCapture || false;
-
- if (name == 'keypress' &&
- (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
- || element.detachEvent))
- name = 'keydown';
-
- if (element.removeEventListener) {
- element.removeEventListener(name, observer, useCapture);
- } else if (element.detachEvent) {
- element.detachEvent('on' + name, observer);
- }
+ After: function(element, content) {
+ return Element.insert(element, {after:content});
}
-});
+};
+
+var $continue = new Error('"throw $continue" is deprecated, use "return" instead');
-/* prevent memory leaks in IE */
-if (navigator.appVersion.match(/\bMSIE\b/))
- Event.observe(window, 'unload', Event.unloadCache, false);
var Position = {
- // set to true if needed, warning: firefox performance problems
- // NOT neeeded for page scrolling, only if draggable contained in
- // scrollable elements
includeScrollOffsets: false,
- // must be called before calling withinIncludingScrolloffset, every time the
- // page is scrolled
prepare: function() {
this.deltaX = window.pageXOffset
|| document.documentElement.scrollLeft
|| 0;
},
- realOffset: function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.scrollTop || 0;
- valueL += element.scrollLeft || 0;
- element = element.parentNode;
- } while (element);
- return [valueL, valueT];
- },
-
- cumulativeOffset: function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
- element = element.offsetParent;
- } while (element);
- return [valueL, valueT];
- },
-
- positionedOffset: function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
- element = element.offsetParent;
- if (element) {
- p = Element.getStyle(element, 'position');
- if (p == 'relative' || p == 'absolute') break;
- }
- } while (element);
- return [valueL, valueT];
- },
-
- offsetParent: function(element) {
- if (element.offsetParent) return element.offsetParent;
- if (element == document.body) return element;
-
- while ((element = element.parentNode) && element != document.body)
- if (Element.getStyle(element, 'position') != 'static')
- return element;
-
- return document.body;
- },
-
- // caches x/y coordinate pair to use with overlap
within: function(element, x, y) {
if (this.includeScrollOffsets)
return this.withinIncludingScrolloffsets(element, x, y);
this.xcomp = x;
this.ycomp = y;
- this.offset = this.cumulativeOffset(element);
+ this.offset = Element.cumulativeOffset(element);
return (y >= this.offset[1] &&
y < this.offset[1] + element.offsetHeight &&
},
withinIncludingScrolloffsets: function(element, x, y) {
- var offsetcache = this.realOffset(element);
+ var offsetcache = Element.cumulativeScrollOffset(element);
this.xcomp = x + offsetcache[0] - this.deltaX;
this.ycomp = y + offsetcache[1] - this.deltaY;
- this.offset = this.cumulativeOffset(element);
+ this.offset = Element.cumulativeOffset(element);
return (this.ycomp >= this.offset[1] &&
this.ycomp < this.offset[1] + element.offsetHeight &&
this.xcomp < this.offset[0] + element.offsetWidth);
},
- // within must be called directly before
overlap: function(mode, element) {
if (!mode) return 0;
if (mode == 'vertical')
element.offsetWidth;
},
- clone: function(source, target) {
- source = $(source);
- target = $(target);
- target.style.position = 'absolute';
- var offsets = this.cumulativeOffset(source);
- target.style.top = offsets[1] + 'px';
- target.style.left = offsets[0] + 'px';
- target.style.width = source.offsetWidth + 'px';
- target.style.height = source.offsetHeight + 'px';
- },
- page: function(forElement) {
- var valueT = 0, valueL = 0;
+ cumulativeOffset: Element.Methods.cumulativeOffset,
- var element = forElement;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
+ positionedOffset: Element.Methods.positionedOffset,
- // Safari fix
- if (element.offsetParent==document.body)
- if (Element.getStyle(element,'position')=='absolute') break;
+ absolutize: function(element) {
+ Position.prepare();
+ return Element.absolutize(element);
+ },
- } while (element = element.offsetParent);
+ relativize: function(element) {
+ Position.prepare();
+ return Element.relativize(element);
+ },
- element = forElement;
- do {
- valueT -= element.scrollTop || 0;
- valueL -= element.scrollLeft || 0;
- } while (element = element.parentNode);
+ realOffset: Element.Methods.cumulativeScrollOffset,
- return [valueL, valueT];
- },
+ offsetParent: Element.Methods.getOffsetParent,
- clone: function(source, target) {
- var options = Object.extend({
- setLeft: true,
- setTop: true,
- setWidth: true,
- setHeight: true,
- offsetTop: 0,
- offsetLeft: 0
- }, arguments[2] || {})
+ page: Element.Methods.viewportOffset,
- // find page position of source
- source = $(source);
- var p = Position.page(source);
+ clone: function(source, target, options) {
+ options = options || { };
+ return Element.clonePosition(target, source, options);
+ }
+};
- // find coordinate system to use
- target = $(target);
- var delta = [0, 0];
- var parent = null;
- // delta [0,0] will do fine with position: fixed elements,
- // position:absolute needs offsetParent deltas
- if (Element.getStyle(target,'position') == 'absolute') {
- parent = Position.offsetParent(target);
- delta = Position.page(parent);
- }
+/*--------------------------------------------------------------------------*/
- // correct by body offsets (fixes Safari)
- if (parent == document.body) {
- delta[0] -= document.body.offsetLeft;
- delta[1] -= document.body.offsetTop;
+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;
+ };
- // set position
- if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
- if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
- if(options.setWidth) target.style.width = source.offsetWidth + 'px';
- if(options.setHeight) target.style.height = source.offsetHeight + 'px';
- },
+ return function(className, parentElement) {
+ return $(parentElement || document.body).getElementsByClassName(className);
+ };
+}(Element.Methods);
- absolutize: function(element) {
- element = $(element);
- if (element.style.position == 'absolute') return;
- Position.prepare();
+/*--------------------------------------------------------------------------*/
- var offsets = Position.positionedOffset(element);
- var top = offsets[1];
- var left = offsets[0];
- var width = element.clientWidth;
- var height = element.clientHeight;
+Element.ClassNames = Class.create();
+Element.ClassNames.prototype = {
+ initialize: function(element) {
+ this.element = $(element);
+ },
- 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;
+ _each: function(iterator) {
+ this.element.className.split(/\s+/).select(function(name) {
+ return name.length > 0;
+ })._each(iterator);
+ },
- element.style.position = 'absolute';
- element.style.top = top + 'px';;
- element.style.left = left + 'px';;
- element.style.width = width + 'px';;
- element.style.height = height + 'px';;
+ set: function(className) {
+ this.element.className = className;
},
- relativize: function(element) {
- element = $(element);
- if (element.style.position == 'relative') return;
- Position.prepare();
+ add: function(classNameToAdd) {
+ if (this.include(classNameToAdd)) return;
+ this.set($A(this).concat(classNameToAdd).join(' '));
+ },
- element.style.position = 'relative';
- var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
- var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
+ remove: function(classNameToRemove) {
+ if (!this.include(classNameToRemove)) return;
+ this.set($A(this).without(classNameToRemove).join(' '));
+ },
- element.style.top = top + 'px';
- element.style.left = left + 'px';
- element.style.height = element._originalHeight;
- element.style.width = element._originalWidth;
+ toString: function() {
+ return $A(this).join(' ');
}
-}
+};
-// Safari returns margins on body which is incorrect if the child is absolutely
-// positioned. For performance reasons, redefine Position.cumulativeOffset for
-// KHTML/WebKit only.
-if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
- Position.cumulativeOffset = function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
- if (element.offsetParent == document.body)
- if (Element.getStyle(element, 'position') == 'absolute') break;
+Object.extend(Element.ClassNames.prototype, Enumerable);
- element = element.offsetParent;
- } while (element);
+/*--------------------------------------------------------------------------*/
- return [valueL, valueT];
- }
-}
\ No newline at end of file
+(function() {
+ window.Selector = Class.create({
+ initialize: function(expression) {
+ this.expression = expression.strip();
+ },
+
+ findElements: function(rootElement) {
+ return Prototype.Selector.select(this.expression, rootElement);
+ },
+
+ match: function(element) {
+ return Prototype.Selector.match(element, this.expression);
+ },
+
+ toString: function() {
+ return this.expression;
+ },
+
+ inspect: function() {
+ return "#<Selector: " + this.expression + ">";
+ }
+ });
+
+ Object.extend(Selector, {
+ matchElements: function(elements, expression) {
+ var match = Prototype.Selector.match,
+ results = [];
+
+ for (var i = 0, length = elements.length; i < length; i++) {
+ var element = elements[i];
+ if (match(element, expression)) {
+ results.push(Element.extend(element));
+ }
+ }
+ return results;
+ },
+
+ findElement: function(elements, expression, index) {
+ index = index || 0;
+ var matchIndex = 0, element;
+ for (var i = 0, length = elements.length; i < length; i++) {
+ element = elements[i];
+ if (Prototype.Selector.match(element, expression) && index === matchIndex++) {
+ return Element.extend(element);
+ }
+ }
+ },
+
+ findChildElements: function(element, expressions) {
+ var selector = expressions.toArray().join(', ');
+ return Prototype.Selector.select(selector, element || document);
+ }
+ });
+})();
projects / rails.git / blobdiff