-/* Prototype JavaScript framework, version 1.5.1.1
- * (c) 2005-2007 Sam Stephenson
+/* Prototype JavaScript framework, version 1.6.1
+ * (c) 2005-2009 Sam Stephenson
*
* Prototype is freely distributable under the terms of an MIT-style license.
* For details, see the Prototype web site: http://www.prototypejs.org/
*
-/*--------------------------------------------------------------------------*/
+ *--------------------------------------------------------------------------*/
var Prototype = {
- Version: '1.5.1.1',
-
- Browser: {
- IE: !!(window.attachEvent && !window.opera),
- Opera: !!window.opera,
- WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
- Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1
- },
+ Version: '1.6.1',
+
+ 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.*Safari/.test(ua)
+ }
+ })(),
BrowserFeatures: {
XPath: !!document.evaluate,
- ElementExtensions: !!window.HTMLElement,
- SpecificElementExtensions:
- (document.createElement('div').__proto__ !==
- document.createElement('form').__proto__)
+ SelectorsAPI: !!document.querySelector,
+ ElementExtensions: (function() {
+ var constructor = window.Element || window.HTMLElement;
+ return !!(constructor && constructor.prototype);
+ })(),
+ SpecificElementExtensions: (function() {
+ if (typeof window.HTMLDivElement !== 'undefined')
+ return true;
+
+ var div = document.createElement('div');
+ var form = document.createElement('form');
+ var isSupported = false;
+
+ if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
+ isSupported = true;
+ }
+
+ div = form = null;
+
+ return isSupported;
+ })()
},
ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
emptyFunction: function() { },
K: function(x) { return x }
-}
+};
-var Class = {
- create: function() {
- return function() {
+if (Prototype.Browser.MobileSafari)
+ Prototype.BrowserFeatures.SpecificElementExtensions = false;
+
+
+var Abstract = { };
+
+
+var Try = {
+ these: function() {
+ var returnValue;
+
+ for (var i = 0, length = arguments.length; i < length; i++) {
+ var lambda = arguments[i];
+ try {
+ returnValue = lambda();
+ break;
+ } catch (e) { }
+ }
+
+ return returnValue;
+ }
+};
+
+/* Based on Alex Arnell's inheritance implementation. */
+
+var Class = (function() {
+ function subclass() {};
+ function create() {
+ var parent = null, properties = $A(arguments);
+ if (Object.isFunction(properties[0]))
+ parent = properties.shift();
+
+ function klass() {
this.initialize.apply(this, arguments);
}
+
+ Object.extend(klass, Class.Methods);
+ klass.superclass = parent;
+ klass.subclasses = [];
+
+ if (parent) {
+ subclass.prototype = parent.prototype;
+ klass.prototype = new subclass;
+ parent.subclasses.push(klass);
+ }
+
+ for (var i = 0; i < properties.length; i++)
+ klass.addMethods(properties[i]);
+
+ if (!klass.prototype.initialize)
+ klass.prototype.initialize = Prototype.emptyFunction;
+
+ klass.prototype.constructor = klass;
+ return klass;
}
-}
-var Abstract = new Object();
+ function addMethods(source) {
+ var ancestor = this.superclass && this.superclass.prototype;
+ var properties = Object.keys(source);
+
+ if (!Object.keys({ toString: true }).length) {
+ if (source.toString != Object.prototype.toString)
+ properties.push("toString");
+ if (source.valueOf != Object.prototype.valueOf)
+ properties.push("valueOf");
+ }
+
+ for (var i = 0, length = properties.length; i < length; i++) {
+ var property = properties[i], value = source[property];
+ if (ancestor && Object.isFunction(value) &&
+ value.argumentNames().first() == "$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;
+ }
-Object.extend = function(destination, source) {
- for (var property in source) {
- destination[property] = source[property];
+ return this;
}
- return destination;
-}
-Object.extend(Object, {
- inspect: function(object) {
+ return {
+ create: create,
+ Methods: {
+ addMethods: addMethods
+ }
+ };
+})();
+(function() {
+
+ var _toString = Object.prototype.toString;
+
+ function extend(destination, source) {
+ for (var property in source)
+ destination[property] = source[property];
+ return destination;
+ }
+
+ function inspect(object) {
try {
- if (object === undefined) return 'undefined';
+ if (isUndefined(object)) return 'undefined';
if (object === null) return 'null';
- return object.inspect ? object.inspect() : object.toString();
+ return object.inspect ? object.inspect() : String(object);
} catch (e) {
if (e instanceof RangeError) return '...';
throw e;
}
- },
+ }
- toJSON: function(object) {
+ function toJSON(object) {
var type = typeof object;
- switch(type) {
+ switch (type) {
case 'undefined':
case 'function':
case 'unknown': return;
case 'boolean': return object.toString();
}
+
if (object === null) return 'null';
if (object.toJSON) return object.toJSON();
- if (object.ownerDocument === document) return;
+ if (isElement(object)) return;
+
var results = [];
for (var property in object) {
- var value = Object.toJSON(object[property]);
- if (value !== undefined)
+ var value = toJSON(object[property]);
+ if (!isUndefined(value))
results.push(property.toJSON() + ': ' + value);
}
+
return '{' + results.join(', ') + '}';
- },
+ }
+
+ function toQueryString(object) {
+ return $H(object).toQueryString();
+ }
- keys: function(object) {
- var keys = [];
+ function toHTML(object) {
+ return object && object.toHTML ? object.toHTML() : String.interpret(object);
+ }
+
+ function keys(object) {
+ var results = [];
for (var property in object)
- keys.push(property);
- return keys;
- },
+ results.push(property);
+ return results;
+ }
- values: function(object) {
- var values = [];
+ function values(object) {
+ var results = [];
for (var property in object)
- values.push(object[property]);
- return values;
- },
+ results.push(object[property]);
+ return results;
+ }
- clone: function(object) {
- return Object.extend({}, object);
+ function clone(object) {
+ return extend({ }, object);
}
-});
-Function.prototype.bind = function() {
- var __method = this, args = $A(arguments), object = args.shift();
- return function() {
- return __method.apply(object, args.concat($A(arguments)));
+ function isElement(object) {
+ return !!(object && object.nodeType == 1);
}
-}
-Function.prototype.bindAsEventListener = function(object) {
- var __method = this, args = $A(arguments), object = args.shift();
- return function(event) {
- return __method.apply(object, [event || window.event].concat(args));
+ function isArray(object) {
+ return _toString.call(object) == "[object Array]";
}
-}
-Object.extend(Number.prototype, {
- toColorPart: function() {
- return this.toPaddedString(2, 16);
- },
- succ: function() {
- return this + 1;
- },
+ function isHash(object) {
+ return object instanceof Hash;
+ }
- times: function(iterator) {
- $R(0, this, true).each(iterator);
- return this;
- },
+ function isFunction(object) {
+ return typeof object === "function";
+ }
- toPaddedString: function(length, radix) {
- var string = this.toString(radix || 10);
- return '0'.times(length - string.length) + string;
- },
+ function isString(object) {
+ return _toString.call(object) == "[object String]";
+ }
- toJSON: function() {
- return isFinite(this) ? this.toString() : 'null';
+ function isNumber(object) {
+ return _toString.call(object) == "[object Number]";
}
-});
-Date.prototype.toJSON = function() {
- return '"' + this.getFullYear() + '-' +
- (this.getMonth() + 1).toPaddedString(2) + '-' +
- this.getDate().toPaddedString(2) + 'T' +
- this.getHours().toPaddedString(2) + ':' +
- this.getMinutes().toPaddedString(2) + ':' +
- this.getSeconds().toPaddedString(2) + '"';
-};
+ function isUndefined(object) {
+ return typeof object === "undefined";
+ }
-var Try = {
- these: function() {
- var returnValue;
+ extend(Object, {
+ extend: extend,
+ inspect: inspect,
+ toJSON: toJSON,
+ toQueryString: toQueryString,
+ toHTML: toHTML,
+ 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;
- for (var i = 0, length = arguments.length; i < length; i++) {
- var lambda = arguments[i];
- try {
- returnValue = lambda();
- break;
- } catch (e) {}
+ 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);
}
+ }
- return returnValue;
+ 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);
+ }
+ }
-var PeriodicalExecuter = Class.create();
-PeriodicalExecuter.prototype = {
+ 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
+ }
+})());
+
+
+Date.prototype.toJSON = function() {
+ return '"' + this.getUTCFullYear() + '-' +
+ (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
+ this.getUTCDate().toPaddedString(2) + 'T' +
+ this.getUTCHours().toPaddedString(2) + ':' +
+ this.getUTCMinutes().toPaddedString(2) + ':' +
+ this.getUTCSeconds().toPaddedString(2) + 'Z"';
+};
+
+
+RegExp.prototype.match = RegExp.prototype.test;
+
+RegExp.escape = function(str) {
+ return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
+};
+var PeriodicalExecuter = Class.create({
initialize: function(callback, frequency) {
this.callback = callback;
this.frequency = frequency;
this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
},
+ execute: function() {
+ this.callback(this);
+ },
+
stop: function() {
if (!this.timer) return;
clearInterval(this.timer);
if (!this.currentlyExecuting) {
try {
this.currentlyExecuting = true;
- this.callback(this);
- } finally {
+ this.execute();
this.currentlyExecuting = false;
+ } catch(e) {
+ this.currentlyExecuting = false;
+ throw e;
}
}
}
-}
+});
Object.extend(String, {
interpret: function(value) {
return value == null ? '' : String(value);
}
});
-Object.extend(String.prototype, {
- gsub: function(pattern, replacement) {
+Object.extend(String.prototype, (function() {
+
+ 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)) {
}
}
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() {
+ function extractScripts() {
var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
return (this.match(matchAll) || []).map(function(scriptTag) {
return (scriptTag.match(matchOne) || ['', ''])[1];
});
- },
+ }
- evalScripts: function() {
+ function evalScripts() {
return this.extractScripts().map(function(script) { return eval(script) });
- },
+ }
- escapeHTML: function() {
- var self = arguments.callee;
- self.text.data = this;
- return self.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.length > 1 ?
- $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
- div.childNodes[0].nodeValue) : '';
- },
- toQueryParams: function(separator) {
+ function toQueryParams(separator) {
var match = this.strip().match(/([^?#]*)(#.*)?$/);
- if (!match) return {};
+ if (!match) return { };
- return match[1].split(separator || '&').inject({}, function(hash, pair) {
+ return match[1].split(separator || '&').inject({ }, function(hash, pair) {
if ((pair = pair.split('='))[0]) {
var key = decodeURIComponent(pair.shift());
var value = pair.length > 1 ? pair.join('=') : pair[0];
if (value != undefined) value = decodeURIComponent(value);
if (key in hash) {
- if (hash[key].constructor != Array) hash[key] = [hash[key]];
+ 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('');
- },
+ }
- succ: function() {
+ function succ() {
return this.slice(0, this.length - 1) +
String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
- },
+ }
- times: function(count) {
- var result = '';
- for (var i = 0; i < count; i++) result += this;
- return result;
- },
+ function times(count) {
+ return count < 1 ? '' : new Array(count + 1).join(this);
+ }
- camelize: function() {
+ function camelize() {
var parts = this.split('-'), len = parts.length;
if (len == 1) return parts[0];
camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
return camelized;
- },
+ }
- capitalize: function() {
+ function capitalize() {
return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
- },
+ }
- underscore: function() {
- return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
- },
+ 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();
+ }
- dasherize: function() {
- return this.gsub(/_/,'-');
- },
+ function dasherize() {
+ return this.replace(/_/g, '-');
+ }
- inspect: function(useDoubleQuotes) {
- var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
- var character = String.specialChar[match[0]];
- return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
+ 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, '\\\'') + "'";
- },
+ }
- toJSON: function() {
+ function toJSON() {
return this.inspect(true);
- },
+ }
- unfilterJSON: function(filter) {
- return this.sub(filter || Prototype.JSONFilter, '#{1}');
- },
+ function unfilterJSON(filter) {
+ return this.replace(filter || Prototype.JSONFilter, '$1');
+ }
- isJSON: function() {
- var str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
+ function isJSON() {
+ var str = this;
+ if (str.blank()) return false;
+ str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
- },
+ }
- evalJSON: function(sanitize) {
+ function evalJSON(sanitize) {
var json = this.unfilterJSON();
try {
if (!sanitize || json.isJSON()) return eval('(' + json + ')');
} catch (e) { }
throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
- },
+ }
- include: function(pattern) {
+ function include(pattern) {
return this.indexOf(pattern) > -1;
- },
+ }
- startsWith: function(pattern) {
+ function startsWith(pattern) {
return this.indexOf(pattern) === 0;
- },
+ }
- endsWith: function(pattern) {
+ function endsWith(pattern) {
var d = this.length - pattern.length;
return d >= 0 && this.lastIndexOf(pattern) === d;
- },
+ }
- empty: function() {
+ function empty() {
return this == '';
- },
+ }
- blank: function() {
+ function blank() {
return /^\s*$/.test(this);
}
-});
-if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
- escapeHTML: function() {
- return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
- },
- unescapeHTML: function() {
- return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
+ function interpolate(object, pattern) {
+ return new Template(this, pattern).evaluate(object);
}
-});
-String.prototype.gsub.prepareReplacement = function(replacement) {
- if (typeof replacement == 'function') return replacement;
- var template = new Template(replacement);
- return function(match) { return template.evaluate(match) };
-}
-
-String.prototype.parseQuery = String.prototype.toQueryParams;
-
-Object.extend(String.prototype.escapeHTML, {
- div: document.createElement('div'),
- text: document.createTextNode('')
-});
-
-with (String.prototype.escapeHTML) div.appendChild(text);
+ return {
+ gsub: gsub,
+ sub: sub,
+ scan: scan,
+ truncate: truncate,
+ strip: String.prototype.trim ? 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,
+ toJSON: toJSON,
+ unfilterJSON: unfilterJSON,
+ isJSON: isJSON,
+ evalJSON: evalJSON,
+ include: include,
+ startsWith: startsWith,
+ endsWith: endsWith,
+ empty: empty,
+ blank: blank,
+ interpolate: interpolate
+ };
+})());
-var Template = Class.create();
-Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
-Template.prototype = {
+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 + String.interpret(object[match[3]]);
+
+ var ctx = object, expr = match[3];
+ var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
+ match = pattern.exec(expr);
+ if (match == null) return before;
+
+ while (match != null) {
+ var comp = match[1].startsWith('[') ? match[2].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 = {}, $continue = new Error('"throw $continue" is deprecated, use "return" instead');
+var $break = { };
-var Enumerable = {
- each: function(iterator) {
+var Enumerable = (function() {
+ function each(iterator, context) {
var index = 0;
try {
this._each(function(value) {
- iterator(value, index++);
+ iterator.call(context, value, index++);
});
} catch (e) {
if (e != $break) throw e;
}
return this;
- },
+ }
- eachSlice: function(number, iterator) {
+ 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.map(iterator);
- },
+ 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) {
+ 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 || Prototype.K)(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;
- },
+ }
- inGroupsOf: function(number, fillWith) {
- fillWith = fillWith === undefined ? null : fillWith;
+ 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.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) {
+ function sortBy(iterator, context) {
return this.map(function(value, index) {
- return {value: value, criteria: iterator(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() {
+ 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));
});
- },
+ }
- size: function() {
+ 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, length = iterable.length; i < 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;
}
-if (Prototype.Browser.WebKit) {
- $A = Array.from = function(iterable) {
- if (!iterable) return [];
- if (!(typeof iterable == 'function' && iterable == '[object NodeList]') &&
- iterable.toArray) {
- return iterable.toArray();
- } else {
- var results = [];
- for (var i = 0, length = iterable.length; i < length; i++)
- results.push(iterable[i]);
- return results;
- }
- }
+function $w(string) {
+ if (!Object.isString(string)) return [];
+ string = string.strip();
+ return string ? string.split(/\s+/) : [];
}
-Object.extend(Array.prototype, Enumerable);
+Array.from = $A;
-if (!Array.prototype._reverse)
- Array.prototype._reverse = Array.prototype.reverse;
-Object.extend(Array.prototype, {
- _each: function(iterator) {
+(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 != 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, length = this.length; i < length; i++)
- if (this[i] == object) return i;
- return -1;
- },
+ }
- reverse: function(inline) {
+ function reverse(inline) {
return (inline !== false ? this : this.toArray())._reverse();
- },
-
- reduce: function() {
- return this.length > 1 ? this : this[0];
- },
+ }
- uniq: function(sorted) {
+ 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 });
+ });
+ }
- clone: function() {
- return [].concat(this);
- },
- size: function() {
+ function clone() {
+ return slice.call(this, 0);
+ }
+
+ function size() {
return this.length;
- },
+ }
- inspect: function() {
+ function inspect() {
return '[' + this.map(Object.inspect).join(', ') + ']';
- },
+ }
- toJSON: function() {
+ function toJSON() {
var results = [];
this.each(function(object) {
var value = Object.toJSON(object);
- if (value !== undefined) results.push(value);
+ if (!Object.isUndefined(value)) results.push(value);
});
return '[' + results.join(', ') + ']';
}
-});
-Array.prototype.toArray = Array.prototype.clone;
+ 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 $w(string) {
- string = string.strip();
- return string ? string.split(/\s+/) : [];
-}
+ 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;
+ }
-if (Prototype.Browser.Opera){
- Array.prototype.concat = function() {
- var array = [];
- for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
+ function concat() {
+ var array = slice.call(this, 0), item;
for (var i = 0, length = arguments.length; i < length; i++) {
- if (arguments[i].constructor == Array) {
- for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
- array.push(arguments[i][j]);
+ 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(arguments[i]);
+ array.push(item);
}
}
return array;
}
-}
-var Hash = function(object) {
- if (object instanceof Hash) this.merge(object);
- else Object.extend(this, object || {});
-};
-Object.extend(Hash, {
- toQueryString: function(obj) {
- var parts = [];
- parts.add = arguments.callee.addPair;
+ 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,
+ toJSON: toJSON
+ });
- this.prototype._each.call(obj, function(pair) {
- if (!pair.key) return;
- var value = pair.value;
+ var CONCAT_ARGUMENTS_BUGGY = (function() {
+ return [].concat(arguments)[0][0] !== 1;
+ })(1,2)
- if (value && typeof value == 'object') {
- if (value.constructor == Array) value.each(function(value) {
- parts.add(pair.key, value);
- });
- return;
- }
- parts.add(pair.key, value);
- });
+ if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;
- return parts.join('&');
- },
+ if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
+ if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
+})();
+function $H(object) {
+ return new Hash(object);
+};
- toJSON: function(object) {
- var results = [];
- this.prototype._each.call(object, function(pair) {
- var value = Object.toJSON(pair.value);
- if (value !== undefined) results.push(pair.key.toJSON() + ': ' + value);
- });
- return '{' + results.join(', ') + '}';
+var Hash = Class.create(Enumerable, (function() {
+ function initialize(object) {
+ this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
}
-});
-
-Hash.toQueryString.addPair = function(key, value, prefix) {
- key = encodeURIComponent(key);
- if (value === undefined) this.push(key);
- else this.push(key + '=' + (value == null ? '' : encodeURIComponent(value)));
-}
-
-Object.extend(Hash.prototype, Enumerable);
-Object.extend(Hash.prototype, {
- _each: function(iterator) {
- for (var key in this) {
- var value = this[key];
- if (value && value == Hash.prototype[key]) continue;
- var pair = [key, value];
+ function _each(iterator) {
+ for (var key in this._object) {
+ var value = this._object[key], pair = [key, value];
pair.key = key;
pair.value = value;
iterator(pair);
}
- },
+ }
+
+ function set(key, value) {
+ return this._object[key] = value;
+ }
+
+ function get(key) {
+ if (this._object[key] !== Object.prototype[key])
+ return this._object[key];
+ }
+
+ function unset(key) {
+ var value = this._object[key];
+ delete this._object[key];
+ return value;
+ }
+
+ function toObject() {
+ return Object.clone(this._object);
+ }
- keys: function() {
+ function keys() {
return this.pluck('key');
- },
+ }
- values: function() {
+ function values() {
return this.pluck('value');
- },
+ }
- merge: function(hash) {
- return $H(hash).inject(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;
+ }
- remove: function() {
- var result;
- for(var i = 0, length = arguments.length; i < length; i++) {
- var value = this[arguments[i]];
- if (value !== undefined){
- if (result === undefined) result = value;
- else {
- if (result.constructor != Array) result = [result];
- result.push(value)
- }
- }
- delete this[arguments[i]];
- }
- return result;
- },
+ function merge(object) {
+ return this.clone().update(object);
+ }
- toQueryString: function() {
- return Hash.toQueryString(this);
- },
+ function update(object) {
+ return new Hash(object).inject(this, function(result, pair) {
+ result.set(pair.key, pair.value);
+ return result;
+ });
+ }
- inspect: function() {
+ function toQueryPair(key, value) {
+ if (Object.isUndefined(value)) return key;
+ return key + '=' + encodeURIComponent(String.interpret(value));
+ }
+
+ function toQueryString() {
+ return this.inject([], function(results, pair) {
+ var key = encodeURIComponent(pair.key), values = pair.value;
+
+ if (values && typeof values == 'object') {
+ if (Object.isArray(values))
+ return results.concat(values.map(toQueryPair.curry(key)));
+ } else results.push(toQueryPair(key, values));
+ return results;
+ }).join('&');
+ }
+
+ function inspect() {
return '#<Hash:{' + this.map(function(pair) {
return pair.map(Object.inspect).join(': ');
}).join(', ') + '}>';
- },
+ }
- toJSON: function() {
- return Hash.toJSON(this);
+ function toJSON() {
+ return Object.toJSON(this.toObject());
}
-});
-function $H(object) {
- if (object instanceof Hash) return object;
- return new Hash(object);
-};
+ function clone() {
+ return new Hash(this);
+ }
-// Safari iterates over shadowed properties
-if (function() {
- var i = 0, Test = function(value) { this.key = value };
- Test.prototype.key = 'foo';
- for (var property in new Test('bar')) i++;
- return i > 1;
-}()) Hash.prototype._each = function(iterator) {
- var cache = [];
- for (var key in this) {
- var value = this[key];
- if ((value && value == Hash.prototype[key]) || cache.include(key)) continue;
- cache.push(key);
- var pair = [key, value];
- pair.key = key;
- pair.value = value;
- iterator(pair);
+ 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: toJSON,
+ clone: clone
+ };
+})());
+
+Hash.from = $H;
+Object.extend(Number.prototype, (function() {
+ function toColorPart() {
+ return this.toPaddedString(2, 16);
}
-};
-ObjectRange = Class.create();
-Object.extend(ObjectRange.prototype, Enumerable);
-Object.extend(ObjectRange.prototype, {
- initialize: function(start, end, exclusive) {
+
+ 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 toJSON() {
+ return isFinite(this) ? this.toString() : 'null';
+ }
+
+ 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,
+ toJSON: toJSON,
+ abs: abs,
+ round: round,
+ ceil: ceil,
+ floor: floor
+ };
+})());
+
+function $R(start, end, exclusive) {
+ return new ObjectRange(start, end, exclusive);
+}
+
+var ObjectRange = Class.create(Enumerable, (function() {
+ function initialize(start, end, exclusive) {
this.start = start;
this.end = end;
this.exclusive = exclusive;
- },
+ }
- _each: function(iterator) {
+ function _each(iterator) {
var value = this.start;
while (this.include(value)) {
iterator(value);
value = value.succ();
}
- },
+ }
- include: function(value) {
+ function include(value) {
if (value < this.start)
return false;
if (this.exclusive)
return value < this.end;
return value <= this.end;
}
-});
-var $R = function(start, end, exclusive) {
- return new ObjectRange(start, end, exclusive);
-}
+ return {
+ initialize: initialize,
+ _each: _each,
+ include: include
+ };
+})());
+
+
var Ajax = {
getTransport: function() {
},
activeRequestCount: 0
-}
+};
Ajax.Responders = {
responders: [],
dispatch: function(callback, request, transport, json) {
this.each(function(responder) {
- if (typeof responder[callback] == 'function') {
+ if (Object.isFunction(responder[callback])) {
try {
responder[callback].apply(responder, [request, transport, json]);
- } catch (e) {}
+ } catch (e) { }
}
});
}
Object.extend(Ajax.Responders, Enumerable);
Ajax.Responders.register({
- onCreate: function() {
- Ajax.activeRequestCount++;
- },
- onComplete: function() {
- Ajax.activeRequestCount--;
- }
+ onCreate: function() { Ajax.activeRequestCount++ },
+ onComplete: function() { Ajax.activeRequestCount-- }
});
-
-Ajax.Base = function() {};
-Ajax.Base.prototype = {
- setOptions: function(options) {
+Ajax.Base = Class.create({
+ initialize: function(options) {
this.options = {
method: 'post',
asynchronous: true,
contentType: 'application/x-www-form-urlencoded',
encoding: 'UTF-8',
- parameters: ''
- }
- Object.extend(this.options, options || {});
+ parameters: '',
+ evalJSON: true,
+ evalJS: true
+ };
+ Object.extend(this.options, options || { });
this.options.method = this.options.method.toLowerCase();
- if (typeof this.options.parameters == 'string')
+
+ if (Object.isString(this.options.parameters))
this.options.parameters = this.options.parameters.toQueryParams();
+ else if (Object.isHash(this.options.parameters))
+ this.options.parameters = this.options.parameters.toObject();
}
-}
-
-Ajax.Request = Class.create();
-Ajax.Request.Events =
- ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
-
-Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
+});
+Ajax.Request = Class.create(Ajax.Base, {
_complete: false,
- initialize: function(url, options) {
+ initialize: function($super, url, options) {
+ $super(options);
this.transport = Ajax.getTransport();
- this.setOptions(options);
this.request(url);
},
var params = Object.clone(this.options.parameters);
if (!['get', 'post'].include(this.method)) {
- // simulate other verbs over post
params['_method'] = this.method;
this.method = 'post';
}
this.parameters = params;
- if (params = Hash.toQueryString(params)) {
- // when GET, append parameters to URL
+ if (params = Object.toQueryString(params)) {
if (this.method == 'get')
this.url += (this.url.include('?') ? '&' : '?') + params;
else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
}
try {
- if (this.options.onCreate) this.options.onCreate(this.transport);
- Ajax.Responders.dispatch('onCreate', this, this.transport);
+ var response = new Ajax.Response(this);
+ if (this.options.onCreate) this.options.onCreate(response);
+ Ajax.Responders.dispatch('onCreate', this, response);
this.transport.open(this.method.toUpperCase(), this.url,
this.options.asynchronous);
- if (this.options.asynchronous)
- 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();
headers['Connection'] = 'close';
}
- // user-defined headers
if (typeof this.options.requestHeaders == 'object') {
var extras = this.options.requestHeaders;
- if (typeof extras.push == 'function')
+ if (Object.isFunction(extras.push))
for (var i = 0, length = extras.length; i < length; i += 2)
headers[extras[i]] = extras[i+1];
else
},
success: function() {
- return !this.transport.status
- || (this.transport.status >= 200 && this.transport.status < 300);
+ var status = this.getStatus();
+ return !status || (status >= 200 && status < 300);
+ },
+
+ getStatus: function() {
+ try {
+ return this.transport.status || 0;
+ } catch (e) { return 0 }
},
respondToReadyState: function(readyState) {
- var state = Ajax.Request.Events[readyState];
- var transport = this.transport, json = this.evalJSON();
+ var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
if (state == 'Complete') {
try {
this._complete = true;
- (this.options['on' + this.transport.status]
+ (this.options['on' + response.status]
|| this.options['on' + (this.success() ? 'Success' : 'Failure')]
- || Prototype.emptyFunction)(transport, json);
+ || Prototype.emptyFunction)(response, response.headerJSON);
} catch (e) {
this.dispatchException(e);
}
- var contentType = this.getHeader('Content-type');
- if (contentType && contentType.strip().
- match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))
- this.evalResponse();
+ var contentType = response.getHeader('Content-type');
+ if (this.options.evalJS == 'force'
+ || (this.options.evalJS && this.isSameOrigin() && contentType
+ && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
+ this.evalResponse();
}
try {
- (this.options['on' + state] || Prototype.emptyFunction)(transport, json);
- Ajax.Responders.dispatch('on' + state, 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);
}
if (state == 'Complete') {
- // avoid memory leak in MSIE: clean up
this.transport.onreadystatechange = Prototype.emptyFunction;
}
},
- getHeader: function(name) {
- try {
- return this.transport.getResponseHeader(name);
- } catch (e) { return null }
+ 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 : ''
+ }));
},
- evalJSON: function() {
+ getHeader: function(name) {
try {
- var json = this.getHeader('X-JSON');
- return json ? json.evalJSON() : null;
- } catch (e) { return null }
+ return this.transport.getResponseHeader(name) || null;
+ } catch (e) { return null; }
},
evalResponse: function() {
}
});
-Ajax.Updater = Class.create();
+Ajax.Request.Events =
+ ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
-Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
- initialize: function(container, url, options) {
- this.container = {
- success: (container.success || container),
- failure: (container.failure || (container.success ? null : container))
- }
- this.transport = Ajax.getTransport();
- this.setOptions(options);
- var onComplete = this.options.onComplete || Prototype.emptyFunction;
- this.options.onComplete = (function(transport, param) {
- this.updateContent();
- onComplete(transport, param);
- }).bind(this);
- this.request(url);
- },
- updateContent: function() {
- var receiver = this.container[this.success() ? 'success' : 'failure'];
- var response = this.transport.responseText;
- if (!this.options.evalScripts) response = response.stripScripts();
- if (receiver = $(receiver)) {
- if (this.options.insertion)
- new this.options.insertion(receiver, response);
- else
- receiver.update(response);
+
+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 (this.success()) {
- if (this.onComplete)
- setTimeout(this.onComplete.bind(this), 10);
+ if(readyState == 4) {
+ var xml = transport.responseXML;
+ this.responseXML = Object.isUndefined(xml) ? null : xml;
+ this.responseJSON = this._getResponseJSON();
}
- }
-});
+ },
-Ajax.PeriodicalUpdater = Class.create();
-Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
- initialize: function(container, url, options) {
- this.setOptions(options);
- this.onComplete = this.options.onComplete;
+ status: 0,
- this.frequency = (this.options.frequency || 2);
- this.decay = (this.options.decay || 1);
+ statusText: '',
- this.updater = {};
- this.container = container;
- this.url = url;
+ getStatus: Ajax.Request.prototype.getStatus,
- this.start();
+ getStatusText: function() {
+ try {
+ return this.transport.statusText || '';
+ } catch (e) { return '' }
},
- start: function() {
- this.options.onComplete = this.updateComplete.bind(this);
- this.onTimerEvent();
+ getHeader: Ajax.Request.prototype.getHeader,
+
+ getAllHeaders: function() {
+ try {
+ return this.getAllResponseHeaders();
+ } catch (e) { return null }
},
- stop: function() {
- this.updater.options.onComplete = undefined;
- clearTimeout(this.timer);
- (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
+ getResponseHeader: function(name) {
+ return this.transport.getResponseHeader(name);
},
- updateComplete: function(request) {
- if (this.options.decay) {
- this.decay = (request.responseText == this.lastText ?
- this.decay * this.options.decay : 1);
+ getAllResponseHeaders: function() {
+ return this.transport.getAllResponseHeaders();
+ },
+
+ _getHeaderJSON: function() {
+ var json = this.getHeader('X-JSON');
+ if (!json) return null;
+ json = decodeURIComponent(escape(json));
+ try {
+ return json.evalJSON(this.request.options.sanitizeJSON ||
+ !this.request.isSameOrigin());
+ } catch (e) {
+ this.request.dispatchException(e);
+ }
+ },
+
+ _getResponseJSON: function() {
+ var options = this.request.options;
+ if (!options.evalJSON || (options.evalJSON != 'force' &&
+ !(this.getHeader('Content-type') || '').include('application/json')) ||
+ this.responseText.blank())
+ return null;
+ try {
+ return this.responseText.evalJSON(options.sanitizeJSON ||
+ !this.request.isSameOrigin());
+ } catch (e) {
+ this.request.dispatchException(e);
+ }
+ }
+});
+
+Ajax.Updater = Class.create(Ajax.Request, {
+ initialize: function($super, container, url, options) {
+ this.container = {
+ success: (container.success || container),
+ failure: (container.failure || (container.success ? null : container))
+ };
+
+ options = Object.clone(options);
+ var onComplete = options.onComplete;
+ options.onComplete = (function(response, json) {
+ this.updateContent(response.responseText);
+ if (Object.isFunction(onComplete)) onComplete(response, json);
+ }).bind(this);
+
+ $super(url, options);
+ },
+
+ updateContent: function(responseText) {
+ var receiver = this.container[this.success() ? 'success' : 'failure'],
+ options = this.options;
+
+ if (!options.evalScripts) responseText = responseText.stripScripts();
+
+ if (receiver = $(receiver)) {
+ if (options.insertion) {
+ if (Object.isString(options.insertion)) {
+ var insertion = { }; insertion[options.insertion] = responseText;
+ receiver.insert(insertion);
+ }
+ else options.insertion(receiver, responseText);
+ }
+ else receiver.update(responseText);
+ }
+ }
+});
+
+Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
+ initialize: function($super, container, url, options) {
+ $super(options);
+ this.onComplete = this.options.onComplete;
- this.lastText = request.responseText;
+ this.frequency = (this.options.frequency || 2);
+ this.decay = (this.options.decay || 1);
+
+ this.updater = { };
+ this.container = container;
+ this.url = url;
+
+ this.start();
+ },
+
+ start: function() {
+ this.options.onComplete = this.updateComplete.bind(this);
+ this.onTimerEvent();
+ },
+
+ stop: function() {
+ this.updater.options.onComplete = undefined;
+ clearTimeout(this.timer);
+ (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
+ },
+
+ updateComplete: function(response) {
+ if (this.options.decay) {
+ this.decay = (response.responseText == this.lastText ?
+ this.decay * this.options.decay : 1);
+
+ this.lastText = response.responseText;
}
- this.timer = 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 $(element) {
if (arguments.length > 1) {
for (var i = 0, elements = [], length = arguments.length; i < length; i++)
elements.push($(arguments[i]));
return elements;
}
- if (typeof element == 'string')
+ if (Object.isString(element))
element = document.getElementById(element);
return Element.extend(element);
}
var query = document.evaluate(expression, $(parentElement) || document,
null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
for (var i = 0, length = query.snapshotLength; i < length; i++)
- results.push(query.snapshotItem(i));
+ results.push(Element.extend(query.snapshotItem(i)));
return results;
};
-
- document.getElementsByClassName = function(className, parentElement) {
- var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
- return document._getElementsByXPath(q, parentElement);
- }
-
-} else document.getElementsByClassName = function(className, parentElement) {
- var children = ($(parentElement) || document.body).getElementsByTagName('*');
- var elements = [], child, pattern = new RegExp("(^|\\s)" + className + "(\\s|$)");
- for (var i = 0, length = children.length; i < length; i++) {
- child = children[i];
- var elementClassName = child.className;
- if (elementClassName.length == 0) continue;
- if (elementClassName == className || elementClassName.match(pattern))
- elements.push(Element.extend(child));
- }
- return elements;
-};
+}
/*--------------------------------------------------------------------------*/
-if (!window.Element) var Element = {};
-
-Element.extend = function(element) {
- var F = Prototype.BrowserFeatures;
- if (!element || !element.tagName || element.nodeType == 3 ||
- element._extended || F.SpecificElementExtensions || element == window)
- return element;
-
- var methods = {}, tagName = element.tagName, cache = Element.extend.cache,
- T = Element.Methods.ByTag;
-
- // extend methods for all tags (Safari doesn't need this)
- if (!F.ElementExtensions) {
- Object.extend(methods, Element.Methods),
- Object.extend(methods, Element.Methods.Simulated);
- }
-
- // extend methods for specific tags
- if (T[tagName]) Object.extend(methods, T[tagName]);
-
- for (var property in methods) {
- var value = methods[property];
- if (typeof value == 'function' && !(property in element))
- element[property] = cache.findOrStore(value);
- }
+if (!window.Node) var Node = { };
+
+if (!Node.ELEMENT_NODE) {
+ Object.extend(Node, {
+ ELEMENT_NODE: 1,
+ ATTRIBUTE_NODE: 2,
+ TEXT_NODE: 3,
+ CDATA_SECTION_NODE: 4,
+ ENTITY_REFERENCE_NODE: 5,
+ ENTITY_NODE: 6,
+ PROCESSING_INSTRUCTION_NODE: 7,
+ COMMENT_NODE: 8,
+ DOCUMENT_NODE: 9,
+ DOCUMENT_TYPE_NODE: 10,
+ DOCUMENT_FRAGMENT_NODE: 11,
+ NOTATION_NODE: 12
+ });
+}
- element._extended = Prototype.emptyFunction;
- return element;
-};
-Element.extend.cache = {
- findOrStore: function(value) {
- return this[value] = this[value] || function() {
- return value.apply(null, [this].concat($A(arguments)));
+(function(global) {
+
+ var SETATTRIBUTE_IGNORES_NAME = (function(){
+ var elForm = document.createElement("form");
+ var elInput = document.createElement("input");
+ var root = document.documentElement;
+ elInput.setAttribute("name", "test");
+ elForm.appendChild(elInput);
+ root.appendChild(elForm);
+ var isBuggy = elForm.elements
+ ? (typeof elForm.elements.test == "undefined")
+ : null;
+ root.removeChild(elForm);
+ elForm = elInput = null;
+ return isBuggy;
+ })();
+
+ var element = global.Element;
+ global.Element = function(tagName, attributes) {
+ attributes = attributes || { };
+ tagName = tagName.toLowerCase();
+ var cache = Element.cache;
+ if (SETATTRIBUTE_IGNORES_NAME && 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.cache = { };
+Element.idCounter = 1;
Element.Methods = {
visible: function(element) {
return element;
},
+
hide: function(element) {
- $(element).style.display = 'none';
+ element = $(element);
+ element.style.display = 'none';
return element;
},
show: function(element) {
- $(element).style.display = '';
+ element = $(element);
+ element.style.display = '';
return element;
},
return element;
},
- update: function(element, html) {
- html = typeof html == 'undefined' ? '' : html.toString();
- $(element).innerHTML = html.stripScripts();
- setTimeout(function() {html.evalScripts()}, 10);
+ 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);
+
+ 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;
},
- replace: function(element, html) {
+ insert: function(element, insertions) {
element = $(element);
- html = typeof html == 'undefined' ? '' : html.toString();
- if (element.outerHTML) {
- element.outerHTML = html.stripScripts();
- } else {
- var range = element.ownerDocument.createRange();
- range.selectNodeContents(element);
- element.parentNode.replaceChild(
- range.createContextualFragment(html.stripScripts()), element);
+
+ 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();
}
- setTimeout(function() {html.evalScripts()}, 10);
+
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();
},
ancestors: function(element) {
- return $(element).recursivelyCollect('parentNode');
+ return Element.recursivelyCollect(element, 'parentNode');
},
descendants: function(element) {
- return $A($(element).getElementsByTagName('*')).each(Element.extend);
+ return Element.select(element, "*");
},
firstDescendant: function(element) {
},
previousSiblings: function(element) {
- return $(element).recursivelyCollect('previousSibling');
+ return Element.recursivelyCollect(element, 'previousSibling');
},
nextSiblings: function(element) {
- return $(element).recursivelyCollect('nextSibling');
+ return Element.recursivelyCollect(element, 'nextSibling');
},
siblings: function(element) {
element = $(element);
- return element.previousSiblings().reverse().concat(element.nextSiblings());
+ return Element.previousSiblings(element).reverse()
+ .concat(Element.nextSiblings(element));
},
match: function(element, selector) {
- if (typeof selector == 'string')
+ if (Object.isString(selector))
selector = new Selector(selector);
return selector.match($(element));
},
up: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return $(element.parentNode);
- var ancestors = element.ancestors();
- return expression ? Selector.findElement(ancestors, expression, index) :
- ancestors[index || 0];
+ var ancestors = Element.ancestors(element);
+ return Object.isNumber(expression) ? ancestors[expression] :
+ Selector.findElement(ancestors, expression, index);
},
down: function(element, expression, index) {
element = $(element);
- if (arguments.length == 1) return element.firstDescendant();
- var descendants = element.descendants();
- return expression ? Selector.findElement(descendants, expression, index) :
- descendants[index || 0];
+ if (arguments.length == 1) return Element.firstDescendant(element);
+ return Object.isNumber(expression) ? Element.descendants(element)[expression] :
+ Element.select(element, expression)[index || 0];
},
previous: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
- var previousSiblings = element.previousSiblings();
- return expression ? Selector.findElement(previousSiblings, expression, index) :
- previousSiblings[index || 0];
+ var previousSiblings = Element.previousSiblings(element);
+ return Object.isNumber(expression) ? previousSiblings[expression] :
+ Selector.findElement(previousSiblings, expression, index);
},
next: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
- var nextSiblings = element.nextSiblings();
- return expression ? Selector.findElement(nextSiblings, expression, index) :
- nextSiblings[index || 0];
+ var nextSiblings = Element.nextSiblings(element);
+ return Object.isNumber(expression) ? nextSiblings[expression] :
+ Selector.findElement(nextSiblings, expression, index);
},
- getElementsBySelector: function() {
- var args = $A(arguments), element = $(args.shift());
+
+ select: function(element) {
+ var args = Array.prototype.slice.call(arguments, 1);
return Selector.findChildElements(element, args);
},
- getElementsByClassName: function(element, className) {
- return document.getElementsByClassName(className, element);
+ adjacent: function(element) {
+ var args = Array.prototype.slice.call(arguments, 1);
+ return Selector.findChildElements(element.parentNode, args).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) {
- if (!element.attributes) return null;
- var t = Element._attributeTranslations;
+ var t = Element._attributeTranslations.read;
if (t.values[name]) return t.values[name](element, name);
- if (t.names[name]) name = t.names[name];
- var attribute = element.attributes[name];
- return attribute ? attribute.nodeValue : null;
+ if (t.names[name]) name = t.names[name];
+ if (name.include(':')) {
+ return (!element.attributes || !element.attributes[name]) ? null :
+ element.attributes[name].value;
+ }
}
return element.getAttribute(name);
},
+ writeAttribute: function(element, name, value) {
+ element = $(element);
+ var attributes = { }, t = Element._attributeTranslations.write;
+
+ if (typeof name == 'object') attributes = name;
+ else attributes[name] = Object.isUndefined(value) ? true : value;
+
+ for (var attr in attributes) {
+ name = t.names[attr] || attr;
+ value = attributes[attr];
+ if (t.values[attr]) name = t.values[attr](element, value);
+ if (value === false || value === null)
+ element.removeAttribute(name);
+ else if (value === true)
+ element.setAttribute(name, name);
+ else element.setAttribute(name, value);
+ }
+ return element;
+ },
+
getHeight: function(element) {
- return $(element).getDimensions().height;
+ return Element.getDimensions(element).height;
},
getWidth: function(element) {
- return $(element).getDimensions().width;
+ return Element.getDimensions(element).width;
},
classNames: function(element) {
hasClassName: function(element, className) {
if (!(element = $(element))) return;
var elementClassName = element.className;
- if (elementClassName.length == 0) return false;
- if (elementClassName == className ||
- elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
- return true;
- return false;
+ return (elementClassName.length > 0 && (elementClassName == className ||
+ new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
},
addClassName: function(element, className) {
if (!(element = $(element))) return;
- Element.classNames(element).add(className);
+ if (!Element.hasClassName(element, className))
+ element.className += (element.className ? ' ' : '') + className;
return element;
},
removeClassName: function(element, className) {
if (!(element = $(element))) return;
- Element.classNames(element).remove(className);
+ element.className = element.className.replace(
+ new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
return element;
},
toggleClassName: function(element, className) {
if (!(element = $(element))) return;
- Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className);
- return element;
- },
-
- observe: function() {
- Event.observe.apply(Event, arguments);
- return $A(arguments).first();
- },
-
- stopObserving: function() {
- Event.stopObserving.apply(Event, arguments);
- return $A(arguments).first();
+ return Element[Element.hasClassName(element, className) ?
+ 'removeClassName' : 'addClassName'](element, className);
},
- // removes whitespace-only text node children
cleanWhitespace: function(element) {
element = $(element);
var node = element.firstChild;
descendantOf: function(element, ancestor) {
element = $(element), ancestor = $(ancestor);
+
+ if (element.compareDocumentPosition)
+ return (element.compareDocumentPosition(ancestor) & 8) === 8;
+
+ if (ancestor.contains)
+ return ancestor.contains(element) && ancestor !== element;
+
while (element = element.parentNode)
if (element == ancestor) return true;
+
return false;
},
scrollTo: function(element) {
element = $(element);
- var pos = Position.cumulativeOffset(element);
+ var pos = Element.cumulativeOffset(element);
window.scrollTo(pos[0], pos[1]);
return element;
},
element = $(element);
style = style == 'float' ? 'cssFloat' : style.camelize();
var value = element.style[style];
- if (!value) {
+ if (!value || value == 'auto') {
var css = document.defaultView.getComputedStyle(element, null);
value = css ? css[style] : null;
}
return $(element).getStyle('opacity');
},
- setStyle: function(element, styles, camelized) {
+ setStyle: function(element, styles) {
element = $(element);
- var elementStyle = element.style;
-
+ 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])
+ if (property == 'opacity') element.setOpacity(styles[property]);
else
elementStyle[(property == 'float' || property == 'cssFloat') ?
- (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') :
- (camelized ? property : property.camelize())] = styles[property];
+ (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
+ property] = styles[property];
return element;
},
getDimensions: function(element) {
element = $(element);
- var display = $(element).getStyle('display');
+ var display = Element.getStyle(element, 'display');
if (display != 'none' && display != null) // Safari bug
return {width: element.offsetWidth, height: element.offsetHeight};
- // All *Width and *Height properties give 0 on elements with display none,
- // so enable the element temporarily
var els = element.style;
var originalVisibility = els.visibility;
var originalPosition = els.position;
var originalDisplay = els.display;
els.visibility = 'hidden';
- els.position = 'absolute';
+ if (originalPosition != 'fixed') // Switching fixed to absolute causes issues in Safari
+ els.position = 'absolute';
els.display = 'block';
var originalWidth = element.clientWidth;
var originalHeight = element.clientHeight;
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) {
+ if (Prototype.Browser.Opera) {
element.style.top = 0;
element.style.left = 0;
}
makeClipping: function(element) {
element = $(element);
if (element._overflow) return element;
- element._overflow = element.style.overflow || 'auto';
- if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
+ element._overflow = Element.getStyle(element, 'overflow') || 'auto';
+ if (element._overflow !== 'hidden')
element.style.overflow = 'hidden';
return element;
},
element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
element._overflow = null;
return element;
- }
-};
+ },
-Object.extend(Element.Methods, {
- childOf: Element.Methods.descendantOf,
- childElements: Element.Methods.immediateDescendants
-});
+ cumulativeOffset: function(element) {
+ var valueT = 0, valueL = 0;
+ do {
+ valueT += element.offsetTop || 0;
+ valueL += element.offsetLeft || 0;
+ element = element.offsetParent;
+ } while (element);
+ return Element._returnOffset(valueL, valueT);
+ },
-if (Prototype.Browser.Opera) {
- Element.Methods._getStyle = Element.Methods.getStyle;
- Element.Methods.getStyle = function(element, style) {
- switch(style) {
- case 'left':
- case 'top':
- case 'right':
- case 'bottom':
- if (Element._getStyle(element, 'position') == 'static') return null;
- default: return Element._getStyle(element, style);
- }
- };
-}
-else if (Prototype.Browser.IE) {
- Element.Methods.getStyle = function(element, style) {
+ 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);
- style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
- var value = element.style[style];
- if (!value && element.currentStyle) value = element.currentStyle[style];
+ if (Element.getStyle(element, 'position') == 'absolute') return element;
- if (style == 'opacity') {
- if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
- if (value[1]) return parseFloat(value[1]) / 100;
- return 1.0;
- }
+ var offsets = Element.positionedOffset(element);
+ var top = offsets[1];
+ var left = offsets[0];
+ var width = element.clientWidth;
+ var height = element.clientHeight;
- if (value == 'auto') {
- if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
- return element['offset'+style.capitalize()] + 'px';
- return null;
- }
- return value;
- };
+ 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.Methods.setOpacity = function(element, value) {
- element = $(element);
- var filter = element.getStyle('filter'), style = element.style;
- if (value == 1 || value === '') {
- style.filter = filter.replace(/alpha\([^\)]*\)/gi,'');
- return element;
- } else if (value < 0.00001) value = 0;
- style.filter = filter.replace(/alpha\([^\)]*\)/gi, '') +
- 'alpha(opacity=' + (value * 100) + ')';
+ 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;
- };
+ },
- // IE is missing .innerHTML support for TABLE-related elements
- Element.Methods.update = function(element, html) {
- element = $(element);
- html = typeof html == 'undefined' ? '' : html.toString();
- var tagName = element.tagName.toUpperCase();
- if (['THEAD','TBODY','TR','TD'].include(tagName)) {
- var div = document.createElement('div');
- switch (tagName) {
- case 'THEAD':
- case 'TBODY':
- div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>';
- depth = 2;
- break;
- case 'TR':
- div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>';
- depth = 3;
- break;
- case 'TD':
- div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>';
- depth = 4;
- }
- $A(element.childNodes).each(function(node) { element.removeChild(node) });
- depth.times(function() { div = div.firstChild });
- $A(div.childNodes).each(function(node) { element.appendChild(node) });
- } else {
- element.innerHTML = html.stripScripts();
- }
- setTimeout(function() { html.evalScripts() }, 10);
- return element;
- }
-}
-else if (Prototype.Browser.Gecko) {
- Element.Methods.setOpacity = function(element, value) {
+ relativize: function(element) {
element = $(element);
- element.style.opacity = (value == 1) ? 0.999999 :
- (value === '') ? '' : (value < 0.00001) ? 0 : value;
- return element;
- };
-}
+ if (Element.getStyle(element, 'position') == 'relative') return element;
-Element._attributeTranslations = {
- names: {
- colspan: "colSpan",
- rowspan: "rowSpan",
- valign: "vAlign",
- datetime: "dateTime",
- accesskey: "accessKey",
- tabindex: "tabIndex",
- enctype: "encType",
- maxlength: "maxLength",
- readonly: "readOnly",
- longdesc: "longDesc"
- },
- values: {
- _getAttr: function(element, attribute) {
- return element.getAttribute(attribute, 2);
- },
- _flag: function(element, attribute) {
- return $(element).hasAttribute(attribute) ? attribute : null;
- },
- style: function(element) {
- return element.style.cssText.toLowerCase();
- },
- title: function(element) {
- var node = element.getAttributeNode('title');
- return node.specified ? node.nodeValue : null;
- }
- }
-};
+ element.style.position = 'relative';
+ var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
+ var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
-(function() {
- Object.extend(this, {
- href: this._getAttr,
- src: this._getAttr,
- type: this._getAttr,
- disabled: this._flag,
- checked: this._flag,
- readonly: this._flag,
- multiple: this._flag
- });
-}).call(Element._attributeTranslations.values);
+ element.style.top = top + 'px';
+ element.style.left = left + 'px';
+ element.style.height = element._originalHeight;
+ element.style.width = element._originalWidth;
+ return element;
+ },
+
+ cumulativeScrollOffset: function(element) {
+ var valueT = 0, valueL = 0;
+ do {
+ valueT += element.scrollTop || 0;
+ valueL += element.scrollLeft || 0;
+ element = element.parentNode;
+ } while (element);
+ return Element._returnOffset(valueL, valueT);
+ },
+
+ getOffsetParent: function(element) {
+ if (element.offsetParent) return $(element.offsetParent);
+ if (element == document.body) return $(element);
+
+ while ((element = element.parentNode) && element != document.body)
+ if (Element.getStyle(element, 'position') != 'static')
+ return $(element);
+
+ return $(document.body);
+ },
+
+ viewportOffset: function(forElement) {
+ var valueT = 0, valueL = 0;
+
+ var element = forElement;
+ do {
+ valueT += element.offsetTop || 0;
+ valueL += element.offsetLeft || 0;
+
+ 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);
+
+ element = $(element);
+ var delta = [0, 0];
+ var parent = null;
+ 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);
+ try { element.offsetParent }
+ catch(e) { 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);
+ try { element.offsetParent }
+ catch(e) { 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.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
+ function(proceed, element) {
+ try { element.offsetParent }
+ catch(e) { return Element._returnOffset(0,0) }
+ return proceed(element);
+ }
+ );
+
+ 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';
+ var forProp = 'for';
+
+ var 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');
+ el.onclick = Prototype.emptyFunction;
+ var value = el.getAttribute('onclick');
+ var f;
+
+ 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();
+ var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
+ parent.removeChild(element);
+ if (nextSibling)
+ fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
+ else
+ fragments.each(function(node) { parent.appendChild(node) });
+ }
+ else element.outerHTML = content.stripScripts();
+
+ content.evalScripts.bind(content).defer();
+ return element;
+ };
+}
+
+Element._returnOffset = function(l, t) {
+ var result = [l, t];
+ result.left = l;
+ result.top = t;
+ return result;
+};
+
+Element._getContentFromAnonymousElement = function(tagName, html) {
+ var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
+ if (t) {
+ div.innerHTML = t[0] + html + t[1];
+ t[2].times(function() { div = div.firstChild });
+ } else div.innerHTML = html;
+ return $A(div.childNodes);
+};
+
+Element._insertionTranslations = {
+ before: function(element, node) {
+ element.parentNode.insertBefore(node, element);
+ },
+ top: function(element, node) {
+ element.insertBefore(node, element.firstChild);
+ },
+ bottom: function(element, node) {
+ element.appendChild(node);
+ },
+ after: function(element, node) {
+ element.parentNode.insertBefore(node, element.nextSibling);
+ },
+ tags: {
+ TABLE: ['<table>', '</table>', 1],
+ TBODY: ['<table><tbody>', '</tbody></table>', 2],
+ TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3],
+ TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
+ SELECT: ['<select>', '</select>', 1]
+ }
+};
+
+(function() {
+ var tags = Element._insertionTranslations.tags;
+ Object.extend(tags, {
+ THEAD: tags.TBODY,
+ TFOOT: tags.TBODY,
+ TH: tags.TD
+ });
+})();
Element.Methods.Simulated = {
hasAttribute: function(element, attribute) {
- var t = Element._attributeTranslations, node;
- attribute = t.names[attribute] || attribute;
- node = $(element).getAttributeNode(attribute);
- return node && node.specified;
+ attribute = Element._attributeTranslations.has[attribute] || attribute;
+ var node = $(element).getAttributeNode(attribute);
+ return !!(node && node.specified);
}
};
-Element.Methods.ByTag = {};
+Element.Methods.ByTag = { };
Object.extend(Element, Element.Methods);
-if (!Prototype.BrowserFeatures.ElementExtensions &&
- document.createElement('div').__proto__) {
- window.HTMLElement = {};
- window.HTMLElement.prototype = document.createElement('div').__proto__;
- Prototype.BrowserFeatures.ElementExtensions = true;
-}
+(function(div) {
+
+ if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) {
+ window.HTMLElement = { };
+ window.HTMLElement.prototype = div['__proto__'];
+ Prototype.BrowserFeatures.ElementExtensions = true;
+ }
+
+ div = null;
+
+})(document.createElement('div'))
+
+Element.extend = (function() {
+
+ function checkDeficiency(tagName) {
+ if (typeof window.Element != 'undefined') {
+ var proto = window.Element.prototype;
+ if (proto) {
+ var id = '_' + (Math.random()+'').slice(2);
+ var el = document.createElement(tagName);
+ proto[id] = 'x';
+ var isBuggy = (el[id] !== 'x');
+ delete proto[id];
+ el = null;
+ return isBuggy;
+ }
+ }
+ return false;
+ }
+
+ function extendElementWith(element, methods) {
+ for (var property in methods) {
+ var value = methods[property];
+ if (Object.isFunction(value) && !(property in element))
+ element[property] = value.methodize();
+ }
+ }
+
+ var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');
+
+ if (Prototype.BrowserFeatures.SpecificElementExtensions) {
+ if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
+ return function(element) {
+ if (element && typeof element._extendedByPrototype == 'undefined') {
+ var t = element.tagName;
+ if (t && (/^(?:object|applet|embed)$/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;
+})();
Element.hasAttribute = function(element, attribute) {
if (element.hasAttribute) return element.hasAttribute(attribute);
methods = arguments[1];
}
- if (!tagName) Object.extend(Element.Methods, methods || {});
+ if (!tagName) Object.extend(Element.Methods, methods || { });
else {
- if (tagName.constructor == Array) tagName.each(extend);
+ 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] = {};
+ Element.Methods.ByTag[tagName] = { };
Object.extend(Element.Methods.ByTag[tagName], methods);
}
function copy(methods, destination, onlyIfAbsent) {
onlyIfAbsent = onlyIfAbsent || false;
- var cache = Element.extend.cache;
for (var property in methods) {
var value = methods[property];
+ if (!Object.isFunction(value)) continue;
if (!onlyIfAbsent || !(property in destination))
- destination[property] = cache.findOrStore(value);
+ destination[property] = value.methodize();
}
}
klass = 'HTML' + tagName.capitalize() + 'Element';
if (window[klass]) return window[klass];
- window[klass] = {};
- window[klass].prototype = document.createElement(tagName).__proto__;
- return window[klass];
+ var element = document.createElement(tagName);
+ var proto = element['__proto__'] || element.constructor.prototype;
+ element = null;
+ return proto;
}
+ var elementPrototype = window.HTMLElement ? HTMLElement.prototype :
+ Element.prototype;
+
if (F.ElementExtensions) {
- copy(Element.Methods, HTMLElement.prototype);
- copy(Element.Methods.Simulated, HTMLElement.prototype, true);
+ 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 (typeof klass == "undefined") continue;
+ 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 = { };
};
-var Toggle = { display: Element.toggle };
-/*--------------------------------------------------------------------------*/
+document.viewport = {
-Abstract.Insertion = function(adjacency) {
- this.adjacency = adjacency;
-}
+ getDimensions: function() {
+ return { width: this.getWidth(), height: this.getHeight() };
+ },
-Abstract.Insertion.prototype = {
- initialize: function(element, content) {
- this.element = $(element);
- this.content = content.stripScripts();
+ getScrollOffsets: function() {
+ return Element._returnOffset(
+ window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
+ window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
+ }
+};
- if (this.adjacency && this.element.insertAdjacentHTML) {
- try {
- this.element.insertAdjacentHTML(this.adjacency, this.content);
- } catch (e) {
- var tagName = this.element.tagName.toUpperCase();
- if (['TBODY', 'TR'].include(tagName)) {
- this.insertContent(this.contentFromAnonymousTable());
- } else {
- throw e;
- }
- }
- } else {
- this.range = this.element.ownerDocument.createRange();
- if (this.initializeRange) this.initializeRange();
- this.insertContent([this.range.createContextualFragment(this.content)]);
- }
+(function(viewport) {
+ var B = Prototype.Browser, doc = document, element, property = {};
- setTimeout(function() {content.evalScripts()}, 10);
- },
+ function getRootElement() {
+ if (B.WebKit && !doc.evaluate)
+ return document;
+
+ if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
+ return document.body;
- contentFromAnonymousTable: function() {
- var div = document.createElement('div');
- div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
- return $A(div.childNodes[0].childNodes[0].childNodes);
+ return document.documentElement;
}
-}
-var Insertion = new Object();
+ function define(D) {
+ if (!element) element = getRootElement();
-Insertion.Before = Class.create();
-Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
- initializeRange: function() {
- this.range.setStartBefore(this.element);
- },
+ property[D] = 'client' + D;
- insertContent: function(fragments) {
- fragments.each((function(fragment) {
- this.element.parentNode.insertBefore(fragment, this.element);
- }).bind(this));
+ viewport['get' + D] = function() { return element[property[D]] };
+ return viewport['get' + D]();
}
-});
-Insertion.Top = Class.create();
-Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
- initializeRange: function() {
- this.range.selectNodeContents(this.element);
- this.range.collapse(true);
- },
+ viewport.getWidth = define.curry('Width');
- insertContent: function(fragments) {
- fragments.reverse(false).each((function(fragment) {
- this.element.insertBefore(fragment, this.element.firstChild);
- }).bind(this));
- }
-});
+ viewport.getHeight = define.curry('Height');
+})(document.viewport);
-Insertion.Bottom = Class.create();
-Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
- initializeRange: function() {
- this.range.selectNodeContents(this.element);
- this.range.collapse(this.element);
- },
- insertContent: function(fragments) {
- fragments.each((function(fragment) {
- this.element.appendChild(fragment);
- }).bind(this));
- }
-});
+Element.Storage = {
+ UID: 1
+};
-Insertion.After = Class.create();
-Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
- initializeRange: function() {
- this.range.setStartAfter(this.element);
- },
+Element.addMethods({
+ getStorage: function(element) {
+ if (!(element = $(element))) return;
- insertContent: function(fragments) {
- fragments.each((function(fragment) {
- this.element.parentNode.insertBefore(fragment,
- this.element.nextSibling);
- }).bind(this));
- }
-});
+ var uid;
+ if (element === window) {
+ uid = 0;
+ } else {
+ if (typeof element._prototypeUID === "undefined")
+ element._prototypeUID = [Element.Storage.UID++];
+ uid = element._prototypeUID[0];
+ }
-/*--------------------------------------------------------------------------*/
+ if (!Element.Storage[uid])
+ Element.Storage[uid] = $H();
-Element.ClassNames = Class.create();
-Element.ClassNames.prototype = {
- initialize: function(element) {
- this.element = $(element);
+ return Element.Storage[uid];
},
- _each: function(iterator) {
- this.element.className.split(/\s+/).select(function(name) {
- return name.length > 0;
- })._each(iterator);
- },
+ store: function(element, key, value) {
+ if (!(element = $(element))) return;
- set: function(className) {
- this.element.className = className;
- },
+ if (arguments.length === 2) {
+ Element.getStorage(element).update(key);
+ } else {
+ Element.getStorage(element).set(key, value);
+ }
- add: function(classNameToAdd) {
- if (this.include(classNameToAdd)) return;
- this.set($A(this).concat(classNameToAdd).join(' '));
+ return element;
},
- remove: function(classNameToRemove) {
- if (!this.include(classNameToRemove)) return;
- this.set($A(this).without(classNameToRemove).join(' '));
+ 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;
},
- toString: function() {
- return $A(this).join(' ');
+ 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);
}
-};
-
-Object.extend(Element.ClassNames.prototype, Enumerable);
-/* Portions of the Selector class are derived from Jack Slocum’s DomQuery,
+});
+/* Portions of the Selector class are derived from Jack Slocum's DomQuery,
* part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
* license. Please see http://www.yui-ext.com/ for more information. */
-var Selector = Class.create();
-
-Selector.prototype = {
+var Selector = Class.create({
initialize: function(expression) {
this.expression = expression.strip();
- this.compileMatcher();
+
+ if (this.shouldUseSelectorsAPI()) {
+ this.mode = 'selectorsAPI';
+ } else if (this.shouldUseXPath()) {
+ this.mode = 'xpath';
+ this.compileXPathMatcher();
+ } else {
+ this.mode = "normal";
+ this.compileMatcher();
+ }
+
},
- compileMatcher: function() {
- // Selectors with namespaced attributes can't use the XPath version
- if (Prototype.BrowserFeatures.XPath && !(/\[[\w-]*?:/).test(this.expression))
- return this.compileXPathMatcher();
+ shouldUseXPath: (function() {
+
+ var IS_DESCENDANT_SELECTOR_BUGGY = (function(){
+ var isBuggy = false;
+ if (document.evaluate && window.XPathResult) {
+ var el = document.createElement('div');
+ el.innerHTML = '<ul><li></li></ul><div><ul><li></li></ul></div>';
+
+ var xpath = ".//*[local-name()='ul' or local-name()='UL']" +
+ "//*[local-name()='li' or local-name()='LI']";
+
+ var result = document.evaluate(xpath, el, null,
+ XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
+
+ isBuggy = (result.snapshotLength !== 2);
+ el = null;
+ }
+ return isBuggy;
+ })();
+
+ return function() {
+ if (!Prototype.BrowserFeatures.XPath) return false;
+
+ var e = this.expression;
+
+ if (Prototype.Browser.WebKit &&
+ (e.include("-of-type") || e.include(":empty")))
+ return false;
+
+ if ((/(\[[\w-]*?:|:checked)/).test(e))
+ return false;
+
+ if (IS_DESCENDANT_SELECTOR_BUGGY) return false;
+
+ return true;
+ }
+
+ })(),
+
+ shouldUseSelectorsAPI: function() {
+ if (!Prototype.BrowserFeatures.SelectorsAPI) return false;
+
+ if (Selector.CASE_INSENSITIVE_CLASS_NAMES) return false;
+
+ if (!Selector._div) Selector._div = new Element('div');
+
+ try {
+ Selector._div.querySelector(this.expression);
+ } catch(e) {
+ return false;
+ }
+ return true;
+ },
+
+ compileMatcher: function() {
var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
- c = Selector.criteria, le, p, m;
+ c = Selector.criteria, le, p, m, len = ps.length, name;
if (Selector._cache[e]) {
- this.matcher = Selector._cache[e]; return;
+ this.matcher = Selector._cache[e];
+ return;
}
+
this.matcher = ["this.matcher = function(root) {",
"var r = root, h = Selector.handlers, c = false, n;"];
while (e && le != e && (/\S/).test(e)) {
le = e;
- for (var i in ps) {
- p = ps[i];
+ for (var i = 0; i<len; i++) {
+ p = ps[i].re;
+ name = ps[i].name;
if (m = e.match(p)) {
- this.matcher.push(typeof c[i] == 'function' ? c[i](m) :
- new Template(c[i]).evaluate(m));
+ this.matcher.push(Object.isFunction(c[name]) ? c[name](m) :
+ new Template(c[name]).evaluate(m));
e = e.replace(m[0], '');
break;
}
compileXPathMatcher: function() {
var e = this.expression, ps = Selector.patterns,
- x = Selector.xpath, le, m;
+ x = Selector.xpath, le, m, len = ps.length, name;
if (Selector._cache[e]) {
this.xpath = Selector._cache[e]; return;
this.matcher = ['.//*'];
while (e && le != e && (/\S/).test(e)) {
le = e;
- for (var i in ps) {
- if (m = e.match(ps[i])) {
- this.matcher.push(typeof x[i] == 'function' ? x[i](m) :
- new Template(x[i]).evaluate(m));
+ for (var i = 0; i<len; i++) {
+ name = ps[i].name;
+ if (m = e.match(ps[i].re)) {
+ this.matcher.push(Object.isFunction(x[name]) ? x[name](m) :
+ new Template(x[name]).evaluate(m));
e = e.replace(m[0], '');
break;
}
findElements: function(root) {
root = root || document;
- if (this.xpath) return document._getElementsByXPath(this.xpath, root);
- return this.matcher(root);
+ var e = this.expression, results;
+
+ switch (this.mode) {
+ case 'selectorsAPI':
+ if (root !== document) {
+ var oldId = root.id, id = $(root).identify();
+ id = id.replace(/([\.:])/g, "\\$1");
+ e = "#" + id + " " + e;
+ }
+
+ results = $A(root.querySelectorAll(e)).map(Element.extend);
+ root.id = oldId;
+
+ return results;
+ case 'xpath':
+ return document._getElementsByXPath(this.xpath, root);
+ default:
+ return this.matcher(root);
+ }
},
match: function(element) {
- return this.findElements(document).include(element);
+ this.tokens = [];
+
+ var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
+ var le, p, m, len = ps.length, name;
+
+ while (e && le !== e && (/\S/).test(e)) {
+ le = e;
+ for (var i = 0; i<len; i++) {
+ p = ps[i].re;
+ name = ps[i].name;
+ if (m = e.match(p)) {
+ if (as[name]) {
+ this.tokens.push([name, Object.clone(m)]);
+ e = e.replace(m[0], '');
+ } else {
+ return this.findElements(document).include(element);
+ }
+ }
+ }
+ }
+
+ var match = true, name, matches;
+ for (var i = 0, token; token = this.tokens[i]; i++) {
+ name = token[0], matches = token[1];
+ if (!Selector.assertions[name](element, matches)) {
+ match = false; break;
+ }
+ }
+
+ return match;
},
toString: function() {
inspect: function() {
return "#<Selector:" + this.expression.inspect() + ">";
}
-};
+});
+
+if (Prototype.BrowserFeatures.SelectorsAPI &&
+ document.compatMode === 'BackCompat') {
+ Selector.CASE_INSENSITIVE_CLASS_NAMES = (function(){
+ var div = document.createElement('div'),
+ span = document.createElement('span');
+
+ div.id = "prototype_test_id";
+ span.className = 'Test';
+ div.appendChild(span);
+ var isIgnored = (div.querySelector('#prototype_test_id .test') !== null);
+ div = span = null;
+ return isIgnored;
+ })();
+}
Object.extend(Selector, {
- _cache: {},
+ _cache: { },
xpath: {
descendant: "//*",
},
className: "[contains(concat(' ', @class, ' '), ' #{1} ')]",
id: "[@id='#{1}']",
- attrPresence: "[@#{1}]",
+ attrPresence: function(m) {
+ m[1] = m[1].toLowerCase();
+ return new Template("[@#{1}]").evaluate(m);
+ },
attr: function(m) {
+ m[1] = m[1].toLowerCase();
m[3] = m[5] || m[6];
return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
},
pseudo: function(m) {
var h = Selector.xpath.pseudos[m[1]];
if (!h) return '';
- if (typeof h === 'function') return h(m);
+ if (Object.isFunction(h)) return h(m);
return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
},
operators: {
'first-child': '[not(preceding-sibling::*)]',
'last-child': '[not(following-sibling::*)]',
'only-child': '[not(preceding-sibling::* or following-sibling::*)]',
- 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
+ 'empty': "[count(*) = 0 and (count(text()) = 0)]",
'checked': "[@checked]",
- 'disabled': "[@disabled]",
- 'enabled': "[not(@disabled)]",
+ 'disabled': "[(@disabled) and (@type!='hidden')]",
+ 'enabled': "[not(@disabled) and (@type!='hidden')]",
'not': function(m) {
var e = m[6], p = Selector.patterns,
- x = Selector.xpath, le, m, v;
+ x = Selector.xpath, le, v, len = p.length, name;
var exclusion = [];
while (e && le != e && (/\S/).test(e)) {
le = e;
- for (var i in p) {
- if (m = e.match(p[i])) {
- v = typeof x[i] == 'function' ? x[i](m) : new Template(x[i]).evaluate(m);
+ for (var i = 0; i<len; i++) {
+ name = p[i].name
+ if (m = e.match(p[i].re)) {
+ v = Object.isFunction(x[name]) ? x[name](m) : new Template(x[name]).evaluate(m);
exclusion.push("(" + v.substring(1, v.length - 1) + ")");
e = e.replace(m[0], '');
break;
},
criteria: {
- tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;',
- className: 'n = h.className(n, r, "#{1}", c); c = false;',
- id: 'n = h.id(n, r, "#{1}", c); c = false;',
- attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;',
+ tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;',
+ className: 'n = h.className(n, r, "#{1}", c); c = false;',
+ id: 'n = h.id(n, r, "#{1}", c); c = false;',
+ attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
attr: function(m) {
m[3] = (m[5] || m[6]);
- return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m);
+ return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
},
- pseudo: function(m) {
+ pseudo: function(m) {
if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
},
- descendant: 'c = "descendant";',
- child: 'c = "child";',
- adjacent: 'c = "adjacent";',
- laterSibling: 'c = "laterSibling";'
- },
+ descendant: 'c = "descendant";',
+ child: 'c = "child";',
+ adjacent: 'c = "adjacent";',
+ laterSibling: 'c = "laterSibling";'
+ },
+
+ patterns: [
+ { name: 'laterSibling', re: /^\s*~\s*/ },
+ { name: 'child', re: /^\s*>\s*/ },
+ { name: 'adjacent', re: /^\s*\+\s*/ },
+ { name: 'descendant', re: /^\s/ },
+
+ { name: 'tagName', re: /^\s*(\*|[\w\-]+)(\b|$)?/ },
+ { name: 'id', re: /^#([\w\-\*]+)(\b|$)/ },
+ { name: 'className', re: /^\.([\w\-\*]+)(\b|$)/ },
+ { name: 'pseudo', re: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/ },
+ { name: 'attrPresence', re: /^\[((?:[\w-]+:)?[\w-]+)\]/ },
+ { name: 'attr', re: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ }
+ ],
+
+ assertions: {
+ tagName: function(element, matches) {
+ return matches[1].toUpperCase() == element.tagName.toUpperCase();
+ },
+
+ className: function(element, matches) {
+ return Element.hasClassName(element, matches[1]);
+ },
+
+ id: function(element, matches) {
+ return element.id === matches[1];
+ },
- patterns: {
- // combinators must be listed first
- // (and descendant needs to be last combinator)
- laterSibling: /^\s*~\s*/,
- child: /^\s*>\s*/,
- adjacent: /^\s*\+\s*/,
- descendant: /^\s/,
+ attrPresence: function(element, matches) {
+ return Element.hasAttribute(element, matches[1]);
+ },
- // selectors follow
- tagName: /^\s*(\*|[\w\-]+)(\b|$)?/,
- id: /^#([\w\-\*]+)(\b|$)/,
- className: /^\.([\w\-\*]+)(\b|$)/,
- pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|\s|(?=:))/,
- attrPresence: /^\[([\w]+)\]/,
- attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/
+ attr: function(element, matches) {
+ var nodeValue = Element.readAttribute(element, matches[1]);
+ return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
+ }
},
handlers: {
- // UTILITY FUNCTIONS
- // joins two collections
concat: function(a, b) {
for (var i = 0, node; node = b[i]; i++)
a.push(node);
return a;
},
- // marks an array of nodes for counting
mark: function(nodes) {
+ var _true = Prototype.emptyFunction;
for (var i = 0, node; node = nodes[i]; i++)
- node._counted = true;
+ node._countedByPrototype = _true;
return nodes;
},
- unmark: function(nodes) {
- for (var i = 0, node; node = nodes[i]; i++)
- node._counted = undefined;
- return nodes;
- },
+ unmark: (function(){
+
+ var PROPERTIES_ATTRIBUTES_MAP = (function(){
+ var el = document.createElement('div'),
+ isBuggy = false,
+ propName = '_countedByPrototype',
+ value = 'x'
+ el[propName] = value;
+ isBuggy = (el.getAttribute(propName) === value);
+ el = null;
+ return isBuggy;
+ })();
+
+ return PROPERTIES_ATTRIBUTES_MAP ?
+ function(nodes) {
+ for (var i = 0, node; node = nodes[i]; i++)
+ node.removeAttribute('_countedByPrototype');
+ return nodes;
+ } :
+ function(nodes) {
+ for (var i = 0, node; node = nodes[i]; i++)
+ node._countedByPrototype = void 0;
+ return nodes;
+ }
+ })(),
- // mark each child node with its position (for nth calls)
- // "ofType" flag indicates whether we're indexing for nth-of-type
- // rather than nth-child
index: function(parentNode, reverse, ofType) {
- parentNode._counted = true;
+ parentNode._countedByPrototype = Prototype.emptyFunction;
if (reverse) {
for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
- node = nodes[i];
- if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
+ var node = nodes[i];
+ if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
}
} else {
for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
- if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
+ if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
}
},
- // filters out duplicates and extends all nodes
unique: function(nodes) {
if (nodes.length == 0) return nodes;
var results = [], n;
for (var i = 0, l = nodes.length; i < l; i++)
- if (!(n = nodes[i])._counted) {
- n._counted = true;
+ if (typeof (n = nodes[i])._countedByPrototype == 'undefined') {
+ n._countedByPrototype = Prototype.emptyFunction;
results.push(Element.extend(n));
}
return Selector.handlers.unmark(results);
},
- // COMBINATOR FUNCTIONS
descendant: function(nodes) {
var h = Selector.handlers;
for (var i = 0, results = [], node; node = nodes[i]; i++)
child: function(nodes) {
var h = Selector.handlers;
for (var i = 0, results = [], node; node = nodes[i]; i++) {
- for (var j = 0, children = [], child; child = node.childNodes[j]; j++)
+ for (var j = 0, child; child = node.childNodes[j]; j++)
if (child.nodeType == 1 && child.tagName != '!') results.push(child);
}
return results;
nextElementSibling: function(node) {
while (node = node.nextSibling)
- if (node.nodeType == 1) return node;
+ if (node.nodeType == 1) return node;
return null;
},
return null;
},
- // TOKEN FUNCTIONS
tagName: function(nodes, root, tagName, combinator) {
- tagName = tagName.toUpperCase();
+ var uTagName = tagName.toUpperCase();
var results = [], h = Selector.handlers;
if (nodes) {
if (combinator) {
- // fastlane for ordinary descendant combinators
if (combinator == "descendant") {
for (var i = 0, node; node = nodes[i]; i++)
h.concat(results, node.getElementsByTagName(tagName));
if (tagName == "*") return nodes;
}
for (var i = 0, node; node = nodes[i]; i++)
- if (node.tagName.toUpperCase() == tagName) results.push(node);
+ if (node.tagName.toUpperCase() === uTagName) results.push(node);
return results;
} else return root.getElementsByTagName(tagName);
},
id: function(nodes, root, id, combinator) {
var targetNode = $(id), h = Selector.handlers;
- if (!nodes && root == document) return targetNode ? [targetNode] : [];
+
+ if (root == document) {
+ if (!targetNode) return [];
+ if (!nodes) return [targetNode];
+ } else {
+ if (!root.sourceIndex || root.sourceIndex < 1) {
+ var nodes = root.getElementsByTagName('*');
+ for (var j = 0, node; node = nodes[j]; j++) {
+ if (node.id === id) return [node];
+ }
+ }
+ }
+
if (nodes) {
if (combinator) {
if (combinator == 'child') {
return results;
},
- attrPresence: function(nodes, root, attr) {
+ attrPresence: function(nodes, root, attr, combinator) {
+ if (!nodes) nodes = root.getElementsByTagName("*");
+ if (nodes && combinator) nodes = this[combinator](nodes);
var results = [];
for (var i = 0, node; node = nodes[i]; i++)
if (Element.hasAttribute(node, attr)) results.push(node);
return results;
},
- attr: function(nodes, root, attr, value, operator) {
+ attr: function(nodes, root, attr, value, operator, combinator) {
if (!nodes) nodes = root.getElementsByTagName("*");
+ if (nodes && combinator) nodes = this[combinator](nodes);
var handler = Selector.operators[operator], results = [];
for (var i = 0, node; node = nodes[i]; i++) {
var nodeValue = Element.readAttribute(node, attr);
return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
},
- // handles the an+b logic
getIndices: function(a, b, total) {
if (a == 0) return b > 0 ? [b] : [];
return $R(1, total).inject([], function(memo, i) {
});
},
- // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
nth: function(nodes, formula, root, reverse, ofType) {
if (nodes.length == 0) return [];
if (formula == 'even') formula = '2n+0';
var h = Selector.handlers, results = [], indexed = [], m;
h.mark(nodes);
for (var i = 0, node; node = nodes[i]; i++) {
- if (!node.parentNode._counted) {
+ if (!node.parentNode._countedByPrototype) {
h.index(node.parentNode, reverse, ofType);
indexed.push(node.parentNode);
}
'empty': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++) {
- // IE treats comments as element nodes
- if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
+ if (node.tagName == '!' || node.firstChild) continue;
results.push(node);
}
return results;
var exclusions = new Selector(selector).findElements(root);
h.mark(exclusions);
for (var i = 0, results = [], node; node = nodes[i]; i++)
- if (!node._counted) results.push(node);
+ if (!node._countedByPrototype) results.push(node);
h.unmark(exclusions);
return results;
},
'enabled': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++)
- if (!node.disabled) results.push(node);
+ if (!node.disabled && (!node.type || node.type !== 'hidden'))
+ results.push(node);
return results;
},
operators: {
'=': function(nv, v) { return nv == v; },
'!=': function(nv, v) { return nv != v; },
- '^=': function(nv, v) { return nv.startsWith(v); },
- '$=': function(nv, v) { return nv.endsWith(v); },
- '*=': function(nv, v) { return nv.include(v); },
+ '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
+ '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
+ '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
'~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
- '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
+ '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
+ '-').include('-' + (v || "").toUpperCase() + '-'); }
+ },
+
+ split: function(expression) {
+ var expressions = [];
+ expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
+ expressions.push(m[1].strip());
+ });
+ return expressions;
},
matchElements: function(elements, expression) {
- var matches = new Selector(expression).findElements(), h = Selector.handlers;
+ var matches = $$(expression), h = Selector.handlers;
h.mark(matches);
for (var i = 0, results = [], element; element = elements[i]; i++)
- if (element._counted) results.push(element);
+ if (element._countedByPrototype) results.push(element);
h.unmark(matches);
return results;
},
findElement: function(elements, expression, index) {
- if (typeof expression == 'number') {
+ if (Object.isNumber(expression)) {
index = expression; expression = false;
}
return Selector.matchElements(elements, expression || '*')[index || 0];
},
findChildElements: function(element, expressions) {
- var exprs = expressions.join(','), expressions = [];
- exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
- expressions.push(m[1].strip());
- });
+ expressions = Selector.split(expressions.join(','));
var results = [], h = Selector.handlers;
for (var i = 0, l = expressions.length, selector; i < l; i++) {
selector = new Selector(expressions[i].strip());
}
});
+if (Prototype.Browser.IE) {
+ Object.extend(Selector.handlers, {
+ concat: function(a, b) {
+ for (var i = 0, node; node = b[i]; i++)
+ if (node.tagName !== "!") a.push(node);
+ return a;
+ }
+ });
+}
+
function $$() {
return Selector.findChildElements(document, $A(arguments));
}
+
var Form = {
reset: function(form) {
- $(form).reset();
+ form = $(form);
+ form.reset();
return form;
},
- serializeElements: function(elements, getHash) {
- var data = elements.inject({}, function(result, element) {
+ 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) {
- var key = element.name, value = $(element).getValue();
- if (value != null) {
- if (key in result) {
- if (result[key].constructor != Array) result[key] = [result[key]];
+ 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 getHash ? data : Hash.toQueryString(data);
+ return options.hash ? data : Object.toQueryString(data);
}
};
Form.Methods = {
- serialize: function(form, getHash) {
- return Form.serializeElements(Form.getElements(form), getHash);
+ serialize: function(form, options) {
+ return Form.serializeElements(Form.getElements(form), options);
},
getElements: function(form) {
- return $A($(form).getElementsByTagName('*')).inject([],
- function(elements, child) {
- if (Form.Element.Serializers[child.tagName.toLowerCase()])
- elements.push(Element.extend(child));
- return elements;
- }
- );
+ 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) {
},
findFirstElement: function(form) {
- return $(form).getElements().find(function(element) {
- return element.type != 'hidden' && !element.disabled &&
- ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
+ 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);
});
},
},
request: function(form, options) {
- form = $(form), options = Object.clone(options || {});
+ form = $(form), options = Object.clone(options || { });
- var params = options.parameters;
+ var params = options.parameters, action = form.readAttribute('action') || '';
+ if (action.blank()) action = window.location.href;
options.parameters = form.serialize(true);
if (params) {
- if (typeof params == 'string') params = params.toQueryParams();
+ 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(form.readAttribute('action'), options);
+ return new Ajax.Request(action, options);
}
-}
+};
/*--------------------------------------------------------------------------*/
+
Form.Element = {
focus: function(element) {
$(element).focus();
$(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 = {};
+ var pair = { };
pair[element.name] = value;
- return Hash.toQueryString(pair);
+ return Object.toQueryString(pair);
}
}
return '';
return Form.Element.Serializers[method](element);
},
+ setValue: function(element, value) {
+ element = $(element);
+ var method = element.tagName.toLowerCase();
+ Form.Element.Serializers[method](element, value);
+ return element;
+ },
+
clear: function(element) {
$(element).value = '';
return element;
try {
element.focus();
if (element.select && (element.tagName.toLowerCase() != 'input' ||
- !['button', 'reset', 'submit'].include(element.type)))
+ !(/^(?:button|reset|submit)$/i.test(element.type))))
element.select();
- } catch (e) {}
+ } catch (e) { }
return element;
},
disable: function(element) {
element = $(element);
- element.blur();
element.disabled = true;
return element;
},
element.disabled = false;
return element;
}
-}
+};
/*--------------------------------------------------------------------------*/
var Field = Form.Element;
+
var $F = Form.Element.Methods.getValue;
/*--------------------------------------------------------------------------*/
Form.Element.Serializers = {
- input: function(element) {
+ input: function(element, value) {
switch (element.type.toLowerCase()) {
case 'checkbox':
case 'radio':
- return Form.Element.Serializers.inputSelector(element);
+ return Form.Element.Serializers.inputSelector(element, value);
default:
- return Form.Element.Serializers.textarea(element);
+ return Form.Element.Serializers.textarea(element, value);
}
},
- inputSelector: function(element) {
- return element.checked ? element.value : null;
+ inputSelector: function(element, value) {
+ if (Object.isUndefined(value)) return element.checked ? element.value : null;
+ else element.checked = !!value;
},
- textarea: function(element) {
- return element.value;
+ textarea: function(element, value) {
+ if (Object.isUndefined(value)) return element.value;
+ else element.value = value;
},
- select: function(element) {
- return this[element.type == 'select-one' ?
- 'selectOne' : 'selectMany'](element);
+ select: function(element, value) {
+ if (Object.isUndefined(value))
+ return this[element.type == 'select-one' ?
+ 'selectOne' : 'selectMany'](element);
+ else {
+ var opt, currentValue, single = !Object.isArray(value);
+ for (var i = 0, length = element.length; i < length; i++) {
+ opt = element.options[i];
+ currentValue = this.optionValue(opt);
+ if (single) {
+ if (currentValue == value) {
+ opt.selected = true;
+ return;
+ }
+ }
+ else opt.selected = value.include(currentValue);
+ }
+ }
},
selectOne: function(element) {
},
optionValue: function(opt) {
- // extend element because hasAttribute may not be native
return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
}
-}
+};
+
+/*--------------------------------------------------------------------------*/
+
+
+Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
+ initialize: function($super, element, frequency, callback) {
+ $super(callback, frequency);
+ this.element = $(element);
+ this.lastValue = this.getValue();
+ },
+
+ execute: function() {
+ var value = this.getValue();
+ if (Object.isString(this.lastValue) && Object.isString(value) ?
+ this.lastValue != value : String(this.lastValue) != String(value)) {
+ this.callback(this.element, value);
+ this.lastValue = value;
+ }
+ }
+});
+
+Form.Element.Observer = Class.create(Abstract.TimedObserver, {
+ getValue: function() {
+ return Form.Element.getValue(this.element);
+ }
+});
+
+Form.Observer = Class.create(Abstract.TimedObserver, {
+ getValue: function() {
+ return Form.serialize(this.element);
+ }
+});
+
+/*--------------------------------------------------------------------------*/
+
+Abstract.EventObserver = Class.create({
+ initialize: function(element, callback) {
+ this.element = $(element);
+ this.callback = callback;
+
+ this.lastValue = this.getValue();
+ if (this.element.tagName.toLowerCase() == 'form')
+ this.registerFormCallbacks();
+ else
+ this.registerCallback(this.element);
+ },
+
+ onElementEvent: function() {
+ var value = this.getValue();
+ if (this.lastValue != value) {
+ this.callback(this.element, value);
+ this.lastValue = value;
+ }
+ },
+
+ registerFormCallbacks: function() {
+ Form.getElements(this.element).each(this.registerCallback, this);
+ },
+
+ registerCallback: function(element) {
+ if (element.type) {
+ switch (element.type.toLowerCase()) {
+ case 'checkbox':
+ case 'radio':
+ Event.observe(element, 'click', this.onElementEvent.bind(this));
+ break;
+ default:
+ Event.observe(element, 'change', this.onElementEvent.bind(this));
+ break;
+ }
+ }
+ }
+});
+
+Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
+ getValue: function() {
+ return Form.Element.getValue(this.element);
+ }
+});
+
+Form.EventObserver = Class.create(Abstract.EventObserver, {
+ getValue: function() {
+ return Form.serialize(this.element);
+ }
+});
+(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);
+ };
+ }
+
+ function isLeftClick(event) { return _isButton(event, 0) }
+
+ function isMiddleClick(event) { return _isButton(event, 1) }
+
+ function isRightClick(event) { return _isButton(event, 2) }
+
+ function element(event) {
+ event = Event.extend(event);
+
+ var node = event.target, type = event.type,
+ currentTarget = event.currentTarget;
+
+ if (currentTarget && currentTarget.tagName) {
+ if (type === 'load' || type === 'error' ||
+ (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
+ && currentTarget.type === 'radio'))
+ node = currentTarget;
+ }
+
+ if (node.nodeType == Node.TEXT_NODE)
+ node = node.parentNode;
+
+ return Element.extend(node);
+ }
+
+ function findElement(event, expression) {
+ var element = Event.element(event);
+ if (!expression) return element;
+ var elements = [element].concat(element.ancestors());
+ return Selector.findElement(elements, expression, 0);
+ }
+
+ function pointer(event) {
+ return { x: pointerX(event), y: pointerY(event) };
+ }
+
+ function pointerX(event) {
+ var docElement = document.documentElement,
+ body = document.body || { scrollLeft: 0 };
+
+ return event.pageX || (event.clientX +
+ (docElement.scrollLeft || body.scrollLeft) -
+ (docElement.clientLeft || 0));
+ }
+
+ function pointerY(event) {
+ var docElement = document.documentElement,
+ body = document.body || { scrollTop: 0 };
+
+ return event.pageY || (event.clientY +
+ (docElement.scrollTop || body.scrollTop) -
+ (docElement.clientTop || 0));
+ }
+
+
+ function stop(event) {
+ Event.extend(event);
+ event.preventDefault();
+ event.stopPropagation();
+
+ event.stopped = true;
+ }
+
+ Event.Methods = {
+ isLeftClick: isLeftClick,
+ isMiddleClick: isMiddleClick,
+ isRightClick: isRightClick,
+
+ element: element,
+ findElement: findElement,
+
+ pointer: pointer,
+ pointerX: pointerX,
+ pointerY: pointerY,
+
+ stop: stop
+ };
+
+
+ var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
+ m[name] = Event.Methods[name].methodize();
+ return m;
+ });
+
+ if (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);
+ }
+
+ Object.extend(methods, {
+ stopPropagation: function() { this.cancelBubble = true },
+ preventDefault: function() { this.returnValue = false },
+ inspect: function() { return '[object Event]' }
+ });
+
+ Event.extend = function(event, element) {
+ if (!event) return false;
+ if (event._extendedByPrototype) return event;
+
+ event._extendedByPrototype = Prototype.emptyFunction;
+ var pointer = Event.pointer(event);
+
+ Object.extend(event, {
+ target: event.srcElement || element,
+ relatedTarget: _relatedTarget(event),
+ pageX: pointer.x,
+ pageY: pointer.y
+ });
+
+ 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');
+
+ if (Object.isUndefined(registry)) {
+ CACHE.push(element);
+ registry = Element.retrieve(element, 'prototype_event_registry', $H());
+ }
+
+ var respondersForEvent = registry.get(eventName);
+ if (Object.isUndefined(respondersForEvent)) {
+ respondersForEvent = [];
+ registry.set(eventName, respondersForEvent);
+ }
+
+ if (respondersForEvent.pluck('handler').include(handler)) return false;
+
+ var responder;
+ if (eventName.include(":")) {
+ responder = function(event) {
+ if (Object.isUndefined(event.eventName))
+ return false;
+
+ if (event.eventName !== eventName)
+ return false;
+
+ Event.extend(event, element);
+ handler.call(element, event);
+ };
+ } else {
+ if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
+ (eventName === "mouseenter" || eventName === "mouseleave")) {
+ if (eventName === "mouseenter" || eventName === "mouseleave") {
+ responder = function(event) {
+ Event.extend(event, element);
+
+ var parent = event.relatedTarget;
+ while (parent && parent !== element) {
+ try { parent = parent.parentNode; }
+ catch(e) { parent = element; }
+ }
+
+ if (parent === element) return;
+
+ handler.call(element, event);
+ };
+ }
+ } else {
+ responder = function(event) {
+ Event.extend(event, element);
+ handler.call(element, event);
+ };
+ }
+ }
+
+ responder.handler = handler;
+ respondersForEvent.push(responder);
+ return responder;
+ }
+
+ function _destroyCache() {
+ for (var i = 0, length = CACHE.length; i < length; i++) {
+ Event.stopObserving(CACHE[i]);
+ CACHE[i] = null;
+ }
+ }
+
+ var CACHE = [];
+
+ if (Prototype.Browser.IE)
+ window.attachEvent('onunload', _destroyCache);
+
+ if (Prototype.Browser.WebKit)
+ window.addEventListener('unload', Prototype.emptyFunction, false);
+
+
+ var _getDOMEventName = Prototype.K;
+
+ if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
+ _getDOMEventName = function(eventName) {
+ var translations = { mouseenter: "mouseover", mouseleave: "mouseout" };
+ return eventName in translations ? translations[eventName] : eventName;
+ };
+ }
+
+ function observe(element, eventName, handler) {
+ element = $(element);
+
+ var responder = _createResponder(element, eventName, handler);
+
+ if (!responder) return element;
+
+ if (eventName.include(':')) {
+ if (element.addEventListener)
+ element.addEventListener("dataavailable", responder, false);
+ else {
+ element.attachEvent("ondataavailable", responder);
+ element.attachEvent("onfilterchange", responder);
+ }
+ } else {
+ var actualEventName = _getDOMEventName(eventName);
+
+ if (element.addEventListener)
+ element.addEventListener(actualEventName, responder, false);
+ else
+ element.attachEvent("on" + actualEventName, responder);
+ }
+
+ return element;
+ }
+
+ function stopObserving(element, eventName, handler) {
+ element = $(element);
+
+ var registry = Element.retrieve(element, 'prototype_event_registry');
+
+ if (Object.isUndefined(registry)) return element;
+
+ if (eventName && !handler) {
+ var responders = registry.get(eventName);
+
+ if (Object.isUndefined(responders)) return element;
+
+ responders.each( function(r) {
+ Element.stopObserving(element, eventName, r.handler);
+ });
+ return element;
+ } else if (!eventName) {
+ registry.each( function(pair) {
+ var eventName = pair.key, responders = pair.value;
+
+ responders.each( function(r) {
+ Element.stopObserving(element, eventName, r.handler);
+ });
+ });
+ return element;
+ }
-/*--------------------------------------------------------------------------*/
+ var responders = registry.get(eventName);
-Abstract.TimedObserver = function() {}
-Abstract.TimedObserver.prototype = {
- initialize: function(element, frequency, callback) {
- this.frequency = frequency;
- this.element = $(element);
- this.callback = callback;
+ if (!responders) return;
- this.lastValue = this.getValue();
- this.registerCallback();
- },
+ var responder = responders.find( function(r) { return r.handler === handler; });
+ if (!responder) return element;
- registerCallback: function() {
- setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
- },
+ var actualEventName = _getDOMEventName(eventName);
- onTimerEvent: function() {
- var value = this.getValue();
- var changed = ('string' == typeof this.lastValue && 'string' == typeof value
- ? this.lastValue != value : String(this.lastValue) != String(value));
- if (changed) {
- this.callback(this.element, value);
- this.lastValue = value;
+ if (eventName.include(':')) {
+ if (element.removeEventListener)
+ element.removeEventListener("dataavailable", responder, false);
+ else {
+ element.detachEvent("ondataavailable", responder);
+ element.detachEvent("onfilterchange", responder);
+ }
+ } else {
+ if (element.removeEventListener)
+ element.removeEventListener(actualEventName, responder, false);
+ else
+ element.detachEvent('on' + actualEventName, responder);
}
- }
-}
-Form.Element.Observer = Class.create();
-Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
- getValue: function() {
- return Form.Element.getValue(this.element);
- }
-});
+ registry.set(eventName, responders.without(responder));
-Form.Observer = Class.create();
-Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
- getValue: function() {
- return Form.serialize(this.element);
+ return element;
}
-});
-/*--------------------------------------------------------------------------*/
+ function fire(element, eventName, memo, bubble) {
+ element = $(element);
-Abstract.EventObserver = function() {}
-Abstract.EventObserver.prototype = {
- initialize: function(element, callback) {
- this.element = $(element);
- this.callback = callback;
+ if (Object.isUndefined(bubble))
+ bubble = true;
- this.lastValue = this.getValue();
- if (this.element.tagName.toLowerCase() == 'form')
- this.registerFormCallbacks();
- else
- this.registerCallback(this.element);
- },
+ if (element == document && document.createEvent && !element.dispatchEvent)
+ element = document.documentElement;
- onElementEvent: function() {
- var value = this.getValue();
- if (this.lastValue != value) {
- this.callback(this.element, value);
- this.lastValue = value;
+ var event;
+ if (document.createEvent) {
+ event = document.createEvent('HTMLEvents');
+ event.initEvent('dataavailable', true, true);
+ } else {
+ event = document.createEventObject();
+ event.eventType = bubble ? 'ondataavailable' : 'onfilterchange';
}
- },
- registerFormCallbacks: function() {
- Form.getElements(this.element).each(this.registerCallback.bind(this));
- },
+ event.eventName = eventName;
+ event.memo = memo || { };
- 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;
- }
- }
- }
-}
+ if (document.createEvent)
+ element.dispatchEvent(event);
+ else
+ element.fireEvent(event.eventType, event);
-Form.Element.EventObserver = Class.create();
-Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
- getValue: function() {
- return Form.Element.getValue(this.element);
+ return Event.extend(event);
}
-});
-Form.EventObserver = Class.create();
-Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
- getValue: function() {
- return Form.serialize(this.element);
- }
-});
-if (!window.Event) {
- var Event = new Object();
-}
-Object.extend(Event, {
- KEY_BACKSPACE: 8,
- KEY_TAB: 9,
- KEY_RETURN: 13,
- KEY_ESC: 27,
- KEY_LEFT: 37,
- KEY_UP: 38,
- KEY_RIGHT: 39,
- KEY_DOWN: 40,
- KEY_DELETE: 46,
- KEY_HOME: 36,
- KEY_END: 35,
- KEY_PAGEUP: 33,
- KEY_PAGEDOWN: 34,
+ Object.extend(Event, Event.Methods);
- element: function(event) {
- return $(event.target || event.srcElement);
- },
+ Object.extend(Event, {
+ fire: fire,
+ observe: observe,
+ stopObserving: stopObserving
+ });
- isLeftClick: function(event) {
- return (((event.which) && (event.which == 1)) ||
- ((event.button) && (event.button == 1)));
- },
+ Element.addMethods({
+ fire: fire,
- pointerX: function(event) {
- return event.pageX || (event.clientX +
- (document.documentElement.scrollLeft || document.body.scrollLeft));
- },
+ observe: observe,
- pointerY: function(event) {
- return event.pageY || (event.clientY +
- (document.documentElement.scrollTop || document.body.scrollTop));
- },
+ stopObserving: stopObserving
+ });
- stop: function(event) {
- if (event.preventDefault) {
- event.preventDefault();
- event.stopPropagation();
- } else {
- event.returnValue = false;
- event.cancelBubble = true;
- }
- },
+ Object.extend(document, {
+ fire: fire.methodize(),
- // 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;
- },
+ observe: observe.methodize(),
+
+ stopObserving: stopObserving.methodize(),
+
+ loaded: false
+ });
+
+ if (window.Event) Object.extend(window.Event, Event);
+ else window.Event = Event;
+})();
+
+(function() {
+ /* Support for the DOMContentLoaded event is based on work by Dan Webb,
+ Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */
- observers: false,
+ var timer;
- _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);
+ function fireContentLoadedEvent() {
+ if (document.loaded) return;
+ if (timer) window.clearTimeout(timer);
+ document.loaded = true;
+ document.fire('dom:loaded');
+ }
+
+ function checkReadyState() {
+ if (document.readyState === 'complete') {
+ document.stopObserving('readystatechange', checkReadyState);
+ fireContentLoadedEvent();
}
- },
+ }
- unloadCache: function() {
- if (!Event.observers) return;
- for (var i = 0, length = Event.observers.length; i < length; i++) {
- Event.stopObserving.apply(this, Event.observers[i]);
- Event.observers[i][0] = null;
+ function pollDoScroll() {
+ try { document.documentElement.doScroll('left'); }
+ catch(e) {
+ timer = pollDoScroll.defer();
+ return;
}
- Event.observers = false;
- },
+ fireContentLoadedEvent();
+ }
- observe: function(element, name, observer, useCapture) {
- element = $(element);
- useCapture = useCapture || false;
+ if (document.addEventListener) {
+ document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);
+ } else {
+ document.observe('readystatechange', checkReadyState);
+ if (window == top)
+ timer = pollDoScroll.defer();
+ }
+
+ Event.observe(window, 'load', fireContentLoadedEvent);
+})();
+
+Element.addMethods();
+
+/*------------------------------- DEPRECATED -------------------------------*/
- if (name == 'keypress' &&
- (Prototype.Browser.WebKit || element.attachEvent))
- name = 'keydown';
+Hash.toQueryString = Object.toQueryString;
- Event._observeAndCache(element, name, observer, useCapture);
+var Toggle = { display: Element.toggle };
+
+Element.Methods.childOf = Element.Methods.descendantOf;
+
+var Insertion = {
+ Before: function(element, content) {
+ return Element.insert(element, {before:content});
},
- stopObserving: function(element, name, observer, useCapture) {
- element = $(element);
- useCapture = useCapture || false;
+ Top: function(element, content) {
+ return Element.insert(element, {top:content});
+ },
- if (name == 'keypress' &&
- (Prototype.Browser.WebKit || element.attachEvent))
- name = 'keydown';
+ Bottom: function(element, content) {
+ return Element.insert(element, {bottom:content});
+ },
- if (element.removeEventListener) {
- element.removeEventListener(name, observer, useCapture);
- } else if (element.detachEvent) {
- try {
- element.detachEvent('on' + name, observer);
- } catch (e) {}
- }
+ 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 (Prototype.Browser.IE)
- Event.observe(window, 'unload', Event.unloadCache, false);
var Position = {
- // set to true if needed, warning: firefox performance problems
- // NOT neeeded for page scrolling, only if draggable contained in
- // scrollable elements
includeScrollOffsets: false,
- // must be called before calling withinIncludingScrolloffset, every time the
- // page is scrolled
prepare: function() {
this.deltaX = window.pageXOffset
|| document.documentElement.scrollLeft
|| 0;
},
- realOffset: function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.scrollTop || 0;
- valueL += element.scrollLeft || 0;
- element = element.parentNode;
- } while (element);
- return [valueL, valueT];
- },
-
- cumulativeOffset: function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
- element = element.offsetParent;
- } while (element);
- return [valueL, valueT];
- },
-
- positionedOffset: function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
- element = element.offsetParent;
- if (element) {
- if(element.tagName=='BODY') break;
- var p = Element.getStyle(element, 'position');
- if (p == 'relative' || p == 'absolute') break;
- }
- } while (element);
- return [valueL, valueT];
- },
-
- offsetParent: function(element) {
- if (element.offsetParent) return element.offsetParent;
- if (element == document.body) return element;
-
- while ((element = element.parentNode) && element != document.body)
- if (Element.getStyle(element, 'position') != 'static')
- return element;
-
- return document.body;
- },
-
- // caches x/y coordinate pair to use with overlap
within: function(element, x, y) {
if (this.includeScrollOffsets)
return this.withinIncludingScrolloffsets(element, x, y);
this.xcomp = x;
this.ycomp = y;
- this.offset = this.cumulativeOffset(element);
+ 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;
},
- page: function(forElement) {
- var valueT = 0, valueL = 0;
-
- var element = forElement;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
- // Safari fix
- if (element.offsetParent == document.body)
- if (Element.getStyle(element,'position')=='absolute') break;
+ cumulativeOffset: Element.Methods.cumulativeOffset,
- } while (element = element.offsetParent);
+ positionedOffset: Element.Methods.positionedOffset,
- element = forElement;
- do {
- if (!window.opera || element.tagName=='BODY') {
- valueT -= element.scrollTop || 0;
- valueL -= element.scrollLeft || 0;
- }
- } while (element = element.parentNode);
+ absolutize: function(element) {
+ Position.prepare();
+ return Element.absolutize(element);
+ },
- return [valueL, valueT];
+ relativize: function(element) {
+ Position.prepare();
+ return Element.relativize(element);
},
- clone: function(source, target) {
- var options = Object.extend({
- setLeft: true,
- setTop: true,
- setWidth: true,
- setHeight: true,
- offsetTop: 0,
- offsetLeft: 0
- }, arguments[2] || {})
+ realOffset: Element.Methods.cumulativeScrollOffset,
- // find page position of source
- source = $(source);
- var p = Position.page(source);
+ offsetParent: Element.Methods.getOffsetParent,
- // 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);
- }
+ page: Element.Methods.viewportOffset,
- // correct by body offsets (fixes Safari)
- if (parent == document.body) {
- delta[0] -= document.body.offsetLeft;
- delta[1] -= document.body.offsetTop;
- }
+ clone: function(source, target, options) {
+ options = options || { };
+ return Element.clonePosition(target, source, options);
+ }
+};
- // set position
- if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
- if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
- if(options.setWidth) target.style.width = source.offsetWidth + 'px';
- if(options.setHeight) target.style.height = source.offsetHeight + 'px';
- },
+/*--------------------------------------------------------------------------*/
- absolutize: function(element) {
- element = $(element);
- if (element.style.position == 'absolute') return;
- Position.prepare();
+if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
+ function iter(name) {
+ return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
+ }
- var offsets = Position.positionedOffset(element);
- var top = offsets[1];
- var left = offsets[0];
- var width = element.clientWidth;
- var height = element.clientHeight;
+ 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;
+ };
- 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;
+ return function(className, parentElement) {
+ return $(parentElement || document.body).getElementsByClassName(className);
+ };
+}(Element.Methods);
- element.style.position = 'absolute';
- element.style.top = top + 'px';
- element.style.left = left + 'px';
- element.style.width = width + 'px';
- element.style.height = height + 'px';
- },
+/*--------------------------------------------------------------------------*/
- relativize: function(element) {
- element = $(element);
- if (element.style.position == 'relative') return;
- Position.prepare();
+Element.ClassNames = Class.create();
+Element.ClassNames.prototype = {
+ initialize: function(element) {
+ this.element = $(element);
+ },
- element.style.position = 'relative';
- var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
- var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
+ _each: function(iterator) {
+ this.element.className.split(/\s+/).select(function(name) {
+ return name.length > 0;
+ })._each(iterator);
+ },
- element.style.top = top + 'px';
- element.style.left = left + 'px';
- element.style.height = element._originalHeight;
- element.style.width = element._originalWidth;
- }
-}
+ set: function(className) {
+ this.element.className = className;
+ },
-// Safari returns margins on body which is incorrect if the child is absolutely
-// positioned. For performance reasons, redefine Position.cumulativeOffset for
-// KHTML/WebKit only.
-if (Prototype.Browser.WebKit) {
- Position.cumulativeOffset = function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
- if (element.offsetParent == document.body)
- if (Element.getStyle(element, 'position') == 'absolute') break;
+ add: function(classNameToAdd) {
+ if (this.include(classNameToAdd)) return;
+ this.set($A(this).concat(classNameToAdd).join(' '));
+ },
- element = element.offsetParent;
- } while (element);
+ remove: function(classNameToRemove) {
+ if (!this.include(classNameToRemove)) return;
+ this.set($A(this).without(classNameToRemove).join(' '));
+ },
- return [valueL, valueT];
+ toString: function() {
+ return $A(this).join(' ');
}
-}
+};
+
+Object.extend(Element.ClassNames.prototype, Enumerable);
-Element.addMethods();
\ No newline at end of file
+/*--------------------------------------------------------------------------*/
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff