/* Prototype JavaScript framework, version 1.5.1_rc2
* (c) 2005-2007 Sam Stephenson
*
* Prototype is freely distributable under the terms of an MIT-style license.
* For details, see the Prototype web site: http://www.prototypejs.org/
*
/*--------------------------------------------------------------------------*/
var Prototype = {
Version: '1.5.1_rc2',
Browser: {
IE: !!(window.attachEvent && !window.opera),
Opera: !!window.opera,
WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1
},
BrowserFeatures: {
XPath: !!document.evaluate,
ElementExtensions: !!window.HTMLElement,
SpecificElementExtensions:
(document.createElement('div').__proto__ !==
document.createElement('form').__proto__)
},
ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
emptyFunction: function() {},
K: function(x) { return x }
}
var Class = {
create: function() {
return function() {
this.initialize.apply(this, arguments);
}
}
}
var Abstract = new Object();
Object.extend = function(destination, source) {
for (var property in source) {
destination[property] = source[property];
}
return destination;
}
Object.extend(Object, {
inspect: function(object) {
try {
if (object === undefined) return 'undefined';
if (object === null) return 'null';
return object.inspect ? object.inspect() : object.toString();
} catch (e) {
if (e instanceof RangeError) return '...';
throw e;
}
},
toJSON: function(object) {
var type = typeof object;
switch(type) {
case 'undefined':
case 'function':
case 'unknown': return;
case 'boolean': return object.toString();
}
if (object === null) return 'null';
if (object.toJSON) return object.toJSON();
if (object.ownerDocument === document) return;
var results = [];
for (var property in object) {
var value = Object.toJSON(object[property]);
if (value !== undefined)
results.push(property.toJSON() + ':' + value);
}
return '{' + results.join(',') + '}';
},
keys: function(object) {
var keys = [];
for (var property in object)
keys.push(property);
return keys;
},
values: function(object) {
var values = [];
for (var property in object)
values.push(object[property]);
return values;
},
clone: function(object) {
return Object.extend({}, object);
}
});
Function.prototype.bind = function() {
var __method = this, args = $A(arguments), object = args.shift();
return function() {
return __method.apply(object, args.concat($A(arguments)));
}
}
Function.prototype.bindAsEventListener = function(object) {
var __method = this, args = $A(arguments), object = args.shift();
return function(event) {
return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments)));
}
}
Object.extend(Number.prototype, {
toColorPart: function() {
return this.toPaddedString(2, 16);
},
succ: function() {
return this + 1;
},
times: function(iterator) {
$R(0, this, true).each(iterator);
return this;
},
toPaddedString: function(length, radix) {
var string = this.toString(radix || 10);
return '0'.times(length - string.length) + string;
},
toJSON: function() {
return isFinite(this) ? this.toString() : 'null';
}
});
Date.prototype.toJSON = function() {
return '"' + this.getFullYear() + '-' +
(this.getMonth() + 1).toPaddedString(2) + '-' +
this.getDate().toPaddedString(2) + 'T' +
this.getHours().toPaddedString(2) + ':' +
this.getMinutes().toPaddedString(2) + ':' +
this.getSeconds().toPaddedString(2) + '"';
};
var Try = {
these: function() {
var returnValue;
for (var i = 0, length = arguments.length; i < length; i++) {
var lambda = arguments[i];
try {
returnValue = lambda();
break;
} catch (e) {}
}
return returnValue;
}
}
/*--------------------------------------------------------------------------*/
var PeriodicalExecuter = Class.create();
PeriodicalExecuter.prototype = {
initialize: function(callback, frequency) {
this.callback = callback;
this.frequency = frequency;
this.currentlyExecuting = false;
this.registerCallback();
},
registerCallback: function() {
this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
},
stop: function() {
if (!this.timer) return;
clearInterval(this.timer);
this.timer = null;
},
onTimerEvent: function() {
if (!this.currentlyExecuting) {
try {
this.currentlyExecuting = true;
this.callback(this);
} finally {
this.currentlyExecuting = false;
}
}
}
}
Object.extend(String, {
interpret: function(value) {
return value == null ? '' : String(value);
},
specialChar: {
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'\\': '\\\\'
}
});
Object.extend(String.prototype, {
gsub: function(pattern, replacement) {
var result = '', source = this, match;
replacement = arguments.callee.prepareReplacement(replacement);
while (source.length > 0) {
if (match = source.match(pattern)) {
result += source.slice(0, match.index);
result += String.interpret(replacement(match));
source = source.slice(match.index + match[0].length);
} else {
result += source, source = '';
}
}
return result;
},
sub: function(pattern, replacement, count) {
replacement = this.gsub.prepareReplacement(replacement);
count = count === undefined ? 1 : count;
return this.gsub(pattern, function(match) {
if (--count < 0) return match[0];
return replacement(match);
});
},
scan: function(pattern, iterator) {
this.gsub(pattern, iterator);
return this;
},
truncate: function(length, truncation) {
length = length || 30;
truncation = truncation === undefined ? '...' : truncation;
return this.length > length ?
this.slice(0, length - truncation.length) + truncation : this;
},
strip: function() {
return this.replace(/^\s+/, '').replace(/\s+$/, '');
},
stripTags: function() {
return this.replace(/<\/?[^>]+>/gi, '');
},
stripScripts: function() {
return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
},
extractScripts: function() {
var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
return (this.match(matchAll) || []).map(function(scriptTag) {
return (scriptTag.match(matchOne) || ['', ''])[1];
});
},
evalScripts: function() {
return this.extractScripts().map(function(script) { return eval(script) });
},
escapeHTML: function() {
var self = arguments.callee;
self.text.data = this;
return self.div.innerHTML;
},
unescapeHTML: function() {
var div = document.createElement('div');
div.innerHTML = this.stripTags();
return div.childNodes[0] ? (div.childNodes.length > 1 ?
$A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
div.childNodes[0].nodeValue) : '';
},
toQueryParams: function(separator) {
var match = this.strip().match(/([^?#]*)(#.*)?$/);
if (!match) return {};
return match[1].split(separator || '&').inject({}, function(hash, pair) {
if ((pair = pair.split('='))[0]) {
var name = decodeURIComponent(pair[0]);
var value = pair[1] ? decodeURIComponent(pair[1]) : undefined;
if (hash[name] !== undefined) {
if (hash[name].constructor != Array)
hash[name] = [hash[name]];
if (value) hash[name].push(value);
}
else hash[name] = value;
}
return hash;
});
},
toArray: function() {
return this.split('');
},
succ: function() {
return this.slice(0, this.length - 1) +
String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
},
times: function(count) {
var result = '';
for (var i = 0; i < count; i++) result += this;
return result;
},
camelize: function() {
var parts = this.split('-'), len = parts.length;
if (len == 1) return parts[0];
var camelized = this.charAt(0) == '-'
? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
: parts[0];
for (var i = 1; i < len; i++)
camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
return camelized;
},
capitalize: function() {
return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
},
underscore: function() {
return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
},
dasherize: function() {
return this.gsub(/_/,'-');
},
inspect: function(useDoubleQuotes) {
var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
var character = String.specialChar[match[0]];
return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
});
if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
return "'" + escapedString.replace(/'/g, '\\\'') + "'";
},
toJSON: function() {
return this.inspect(true);
},
evalJSON: function(sanitize) {
try {
if (!sanitize || (/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.test(this)))
return eval('(' + this + ')');
} catch (e) {}
throw new SyntaxError('Badly formated JSON string: ' + this.inspect());
},
include: function(pattern) {
return this.indexOf(pattern) > -1;
},
startsWith: function(pattern) {
return this.indexOf(pattern) == 0;
},
endsWith: function(pattern) {
return this.lastIndexOf(pattern) == (this.length - pattern.length);
},
empty: function() {
return this == '';
},
blank: function() {
return /^\s*$/.test(this);
}
});
String.prototype.gsub.prepareReplacement = function(replacement) {
if (typeof replacement == 'function') return replacement;
var template = new Template(replacement);
return function(match) { return template.evaluate(match) };
}
String.prototype.parseQuery = String.prototype.toQueryParams;
Object.extend(String.prototype.escapeHTML, {
div: document.createElement('div'),
text: document.createTextNode('')
});
with (String.prototype.escapeHTML) div.appendChild(text);
var Template = Class.create();
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
Template.prototype = {
initialize: function(template, pattern) {
this.template = template.toString();
this.pattern = pattern || Template.Pattern;
},
evaluate: function(object) {
return this.template.gsub(this.pattern, function(match) {
var before = match[1];
if (before == '\\') return match[2];
return before + String.interpret(object[match[3]]);
});
}
}
var $break = new Object();
var $continue = new Object();
var Enumerable = {
each: function(iterator) {
var index = 0;
try {
this._each(function(value) {
iterator(value, index++);
});
} catch (e) {
if (e != $break) throw e;
}
return this;
},
eachSlice: function(number, iterator) {
var index = -number, slices = [], array = this.toArray();
while ((index += number) < array.length)
slices.push(array.slice(index, index+number));
return slices.map(iterator);
},
all: function(iterator) {
var result = true;
this.each(function(value, index) {
result = result && !!(iterator || Prototype.K)(value, index);
if (!result) throw $break;
});
return result;
},
any: function(iterator) {
var result = false;
this.each(function(value, index) {
if (result = !!(iterator || Prototype.K)(value, index))
throw $break;
});
return result;
},
collect: function(iterator) {
var results = [];
this.each(function(value, index) {
results.push((iterator || Prototype.K)(value, index));
});
return results;
},
detect: function(iterator) {
var result;
this.each(function(value, index) {
if (iterator(value, index)) {
result = value;
throw $break;
}
});
return result;
},
findAll: function(iterator) {
var results = [];
this.each(function(value, index) {
if (iterator(value, index))
results.push(value);
});
return results;
},
grep: function(pattern, iterator) {
var results = [];
this.each(function(value, index) {
var stringValue = value.toString();
if (stringValue.match(pattern))
results.push((iterator || Prototype.K)(value, index));
})
return results;
},
include: function(object) {
var found = false;
this.each(function(value) {
if (value == object) {
found = true;
throw $break;
}
});
return found;
},
inGroupsOf: function(number, fillWith) {
fillWith = fillWith === undefined ? null : fillWith;
return this.eachSlice(number, function(slice) {
while(slice.length < number) slice.push(fillWith);
return slice;
});
},
inject: function(memo, iterator) {
this.each(function(value, index) {
memo = iterator(memo, value, index);
});
return memo;
},
invoke: function(method) {
var args = $A(arguments).slice(1);
return this.map(function(value) {
return value[method].apply(value, args);
});
},
max: function(iterator) {
var result;
this.each(function(value, index) {
value = (iterator || Prototype.K)(value, index);
if (result == undefined || value >= result)
result = value;
});
return result;
},
min: function(iterator) {
var result;
this.each(function(value, index) {
value = (iterator || Prototype.K)(value, index);
if (result == undefined || value < result)
result = value;
});
return result;
},
partition: function(iterator) {
var trues = [], falses = [];
this.each(function(value, index) {
((iterator || Prototype.K)(value, index) ?
trues : falses).push(value);
});
return [trues, falses];
},
pluck: function(property) {
var results = [];
this.each(function(value, index) {
results.push(value[property]);
});
return results;
},
reject: function(iterator) {
var results = [];
this.each(function(value, index) {
if (!iterator(value, index))
results.push(value);
});
return results;
},
sortBy: function(iterator) {
return this.map(function(value, index) {
return {value: value, criteria: iterator(value, index)};
}).sort(function(left, right) {
var a = left.criteria, b = right.criteria;
return a < b ? -1 : a > b ? 1 : 0;
}).pluck('value');
},
toArray: function() {
return this.map();
},
zip: function() {
var iterator = Prototype.K, args = $A(arguments);
if (typeof args.last() == 'function')
iterator = args.pop();
var collections = [this].concat(args).map($A);
return this.map(function(value, index) {
return iterator(collections.pluck(index));
});
},
size: function() {
return this.toArray().length;
},
inspect: function() {
return '#<Enumerable:' + this.toArray().inspect() + '>';
}
}
Object.extend(Enumerable, {
map: Enumerable.collect,
find: Enumerable.detect,
select: Enumerable.findAll,
member: Enumerable.include,
entries: Enumerable.toArray
});
var $A = Array.from = function(iterable) {
if (!iterable) return [];
if (iterable.toArray) {
return iterable.toArray();
} else {
var results = [];
for (var i = 0, length = iterable.length; i < length; i++)
results.push(iterable[i]);
return results;
}
}
if (Prototype.Browser.WebKit) {
$A = Array.from = function(iterable) {
if (!iterable) return [];
if (!(typeof iterable == 'function' && iterable == '[object NodeList]') &&
iterable.toArray) {
return iterable.toArray();
} else {
var results = [];
for (var i = 0, length = iterable.length; i < length; i++)
results.push(iterable[i]);
return results;
}
}
}
Object.extend(Array.prototype, Enumerable);
if (!Array.prototype._reverse)
Array.prototype._reverse = Array.prototype.reverse;
Object.extend(Array.prototype, {
_each: function(iterator) {
for (var i = 0, length = this.length; i < length; i++)
iterator(this[i]);
},
clear: function() {
this.length = 0;
return this;
},
first: function() {
return this[0];
},
last: function() {
return this[this.length - 1];
},
compact: function() {
return this.select(function(value) {
return value != null;
});
},
flatten: function() {
return this.inject([], function(array, value) {
return array.concat(value && value.constructor == Array ?
value.flatten() : [value]);
});
},
without: function() {
var values = $A(arguments);
return this.select(function(value) {
return !values.include(value);
});
},
indexOf: function(object) {
for (var i = 0, length = this.length; i < length; i++)
if (this[i] == object) return i;
return -1;
},
reverse: function(inline) {
return (inline !== false ? this : this.toArray())._reverse();
},
reduce: function() {
return this.length > 1 ? this : this[0];
},
uniq: function(sorted) {
return this.inject([], function(array, value, index) {
if (0 == index || (sorted ? array.last() != value : !array.include(value)))
array.push(value);
return array;
});
},
clone: function() {
return [].concat(this);
},
size: function() {
return this.length;
},
inspect: function() {
return '[' + this.map(Object.inspect).join(', ') + ']';
},
toJSON: function() {
var results = [];
this.each(function(object) {
var value = Object.toJSON(object);
if (value !== undefined) results.push(value);
});
return '[' + results.join(',') + ']';
}
});
Array.prototype.toArray = Array.prototype.clone;
function $w(string) {
string = string.strip();
return string ? string.split(/\s+/) : [];
}
if (Prototype.Browser.Opera){
Array.prototype.concat = function() {
var array = [];
for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
for (var i = 0, length = arguments.length; i < length; i++) {
if (arguments[i].constructor == Array) {
for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
array.push(arguments[i][j]);
} else {
array.push(arguments[i]);
}
}
return array;
}
}
var Hash = function(object) {
if (object instanceof Hash) this.merge(object);
else Object.extend(this, object || {});
};
Object.extend(Hash, {
toQueryString: function(obj) {
var parts = [];
parts.add = arguments.callee.addPair;
this.prototype._each.call(obj, function(pair) {
if (!pair.key) return;
var value = pair.value;
if (value && typeof value == 'object') {
if (value.constructor == Array) value.each(function(value) {
parts.add(pair.key, value);
});
return;
}
parts.add(pair.key, value);
});
return parts.join('&');
},
toJSON: function(object) {
var results = [];
this.prototype._each.call(object, function(pair) {
var value = Object.toJSON(pair.value);
if (value !== undefined) results.push(pair.key.toJSON() + ':' + value);
});
return '{' + results.join(',') + '}';
}
});
Hash.toQueryString.addPair = function(key, value, prefix) {
if (value == null) return;
key = encodeURIComponent(key);
this.push(key + '=' + (value == null ? '' : encodeURIComponent(value)));
}
Object.extend(Hash.prototype, Enumerable);
Object.extend(Hash.prototype, {
_each: function(iterator) {
for (var key in this) {
var value = this[key];
if (value && value == Hash.prototype[key]) continue;
var pair = [key, value];
pair.key = key;
pair.value = value;
iterator(pair);
}
},
keys: function() {
return this.pluck('key');
},
values: function() {
return this.pluck('value');
},
merge: function(hash) {
return $H(hash).inject(this, function(mergedHash, pair) {
mergedHash[pair.key] = pair.value;
return mergedHash;
});
},
remove: function() {
var result;
for(var i = 0, length = arguments.length; i < length; i++) {
var value = this[arguments[i]];
if (value !== undefined){
if (result === undefined) result = value;
else {
if (result.constructor != Array) result = [result];
result.push(value)
}
}
delete this[arguments[i]];
}
return result;
},
toQueryString: function() {
return Hash.toQueryString(this);
},
inspect: function() {
return '#<Hash:{' + this.map(function(pair) {
return pair.map(Object.inspect).join(': ');
}).join(', ') + '}>';
},
toJSON: function() {
return Hash.toJSON(this);
}
});
function $H(object) {
if (object instanceof Hash) return object;
return new Hash(object);
};
// Safari iterates over shadowed properties
if (function() {
var i = 0, Test = function(value) { this.key = value };
Test.prototype.key = 'foo';
for (var property in new Test('bar')) i++;
return i > 1;
}()) Hash.prototype._each = function(iterator) {
var cache = [];
for (var key in this) {
var value = this[key];
if ((value && value == Hash.prototype[key]) || cache.include(key)) continue;
cache.push(key);
var pair = [key, value];
pair.key = key;
pair.value = value;
iterator(pair);
}
};
ObjectRange = Class.create();
Object.extend(ObjectRange.prototype, Enumerable);
Object.extend(ObjectRange.prototype, {
initialize: function(start, end, exclusive) {
this.start = start;
this.end = end;
this.exclusive = exclusive;
},
_each: function(iterator) {
var value = this.start;
while (this.include(value)) {
iterator(value);
value = value.succ();
}
},
include: function(value) {
if (value < this.start)
return false;
if (this.exclusive)
return value < this.end;
return value <= this.end;
}
});
var $R = function(start, end, exclusive) {
return new ObjectRange(start, end, exclusive);
}
var Ajax = {
getTransport: function() {
return Try.these(
function() {return new XMLHttpRequest()},
function() {return new ActiveXObject('Msxml2.XMLHTTP')},
function() {return new ActiveXObject('Microsoft.XMLHTTP')}
) || false;
},
activeRequestCount: 0
}
Ajax.Responders = {
responders: [],
_each: function(iterator) {
this.responders._each(iterator);
},
register: function(responder) {
if (!this.include(responder))
this.responders.push(responder);
},
unregister: function(responder) {
this.responders = this.responders.without(responder);
},
dispatch: function(callback, request, transport, json) {
this.each(function(responder) {
if (typeof responder[callback] == 'function') {
try {
responder[callback].apply(responder, [request, transport, json]);
} catch (e) {}
}
});
}
};
Object.extend(Ajax.Responders, Enumerable);
Ajax.Responders.register({
onCreate: function() {
Ajax.activeRequestCount++;
},
onComplete: function() {
Ajax.activeRequestCount--;
}
});
Ajax.Base = function() {};
Ajax.Base.prototype = {
setOptions: function(options) {
this.options = {
method: 'post',
asynchronous: true,
contentType: 'application/x-www-form-urlencoded',
encoding: 'UTF-8',
parameters: ''
}
Object.extend(this.options, options || {});
this.options.method = this.options.method.toLowerCase();
if (typeof this.options.parameters == 'string')
this.options.parameters = this.options.parameters.toQueryParams();
}
}
Ajax.Request = Class.create();
Ajax.Request.Events =
['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
_complete: false,
initialize: function(url, options) {
this.transport = Ajax.getTransport();
this.setOptions(options);
this.request(url);
},
request: function(url) {
this.url = url;
this.method = this.options.method;
var params = Object.clone(this.options.parameters);
if (!['get', 'post'].include(this.method)) {
// simulate other verbs over post
params['_method'] = this.method;
this.method = 'post';
}
this.parameters = params;
if (params = Hash.toQueryString(params)) {
// when GET, append parameters to URL
if (this.method == 'get')
this.url += (this.url.include('?') ? '&' : '?') + params;
else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
params += '&_=';
}
try {
Ajax.Responders.dispatch('onCreate', this, this.transport);
this.transport.open(this.method.toUpperCase(), this.url,
this.options.asynchronous);
if (this.options.asynchronous)
setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10);
this.transport.onreadystatechange = this.onStateChange.bind(this);
this.setRequestHeaders();
this.body = this.method == 'post' ? (this.options.postBody || params) : null;
this.transport.send(this.body);
/* Force Firefox to handle ready state 4 for synchronous requests */
if (!this.options.asynchronous && this.transport.overrideMimeType)
this.onStateChange();
}
catch (e) {
this.dispatchException(e);
}
},
onStateChange: function() {
var readyState = this.transport.readyState;
if (readyState > 1 && !((readyState == 4) && this._complete))
this.respondToReadyState(this.transport.readyState);
},
setRequestHeaders: function() {
var headers = {
'X-Requested-With': 'XMLHttpRequest',
'X-Prototype-Version': Prototype.Version,
'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
};
if (this.method == 'post') {
headers['Content-type'] = this.options.contentType +
(this.options.encoding ? '; charset=' + this.options.encoding : '');
/* Force "Connection: close" for older Mozilla browsers to work
* around a bug where XMLHttpRequest sends an incorrect
* Content-length header. See Mozilla Bugzilla #246651.
*/
if (this.transport.overrideMimeType &&
(navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
headers['Connection'] = 'close';
}
// user-defined headers
if (typeof this.options.requestHeaders == 'object') {
var extras = this.options.requestHeaders;
if (typeof extras.push == 'function')
for (var i = 0, length = extras.length; i < length; i += 2)
headers[extras[i]] = extras[i+1];
else
$H(extras).each(function(pair) { headers[pair.key] = pair.value });
}
for (var name in headers)
this.transport.setRequestHeader(name, headers[name]);
},
success: function() {
return !this.transport.status
|| (this.transport.status >= 200 && this.transport.status < 300);
},
respondToReadyState: function(readyState) {
var state = Ajax.Request.Events[readyState];
var transport = this.transport, json = this.evalJSON();
if (state == 'Complete') {
try {
this._complete = true;
(this.options['on' + this.transport.status]
|| this.options['on' + (this.success() ? 'Success' : 'Failure')]
|| Prototype.emptyFunction)(transport, json);
} catch (e) {
this.dispatchException(e);
}
if ((this.getHeader('Content-type') || 'text/javascript').strip().
match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))
this.evalResponse();
}
try {
(this.options['on' + state] || Prototype.emptyFunction)(transport, json);
Ajax.Responders.dispatch('on' + state, this, transport, json);
} catch (e) {
this.dispatchException(e);
}
if (state == 'Complete') {
// avoid memory leak in MSIE: clean up
this.transport.onreadystatechange = Prototype.emptyFunction;
}
},
getHeader: function(name) {
try {
return this.transport.getResponseHeader(name);
} catch (e) { return null }
},
evalJSON: function() {
try {
var json = this.getHeader('X-JSON');
return json ? eval('(' + json + ')') : null;
} catch (e) { return null }
},
evalResponse: function() {
try {
return eval(this.transport.responseText);
} catch (e) {
this.dispatchException(e);
}
},
dispatchException: function(exception) {
(this.options.onException || Prototype.emptyFunction)(this, exception);
Ajax.Responders.dispatch('onException', this, exception);
}
});
Ajax.Updater = Class.create();
Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
initialize: function(container, url, options) {
this.container = {
success: (container.success || container),
failure: (container.failure || (container.success ? null : container))
}
this.transport = Ajax.getTransport();
this.setOptions(options);
var onComplete = this.options.onComplete || Prototype.emptyFunction;
this.options.onComplete = (function(transport, param) {
this.updateContent();
onComplete(transport, param);
}).bind(this);
this.request(url);
},
updateContent: function() {
var receiver = this.container[this.success() ? 'success' : 'failure'];
var response = this.transport.responseText;
if (!this.options.evalScripts) response = response.stripScripts();
if (receiver = $(receiver)) {
if (this.options.insertion)
new this.options.insertion(receiver, response);
else
receiver.update(response);
}
if (this.success()) {
if (this.onComplete)
setTimeout(this.onComplete.bind(this), 10);
}
}
});
Ajax.PeriodicalUpdater = Class.create();
Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
initialize: function(container, url, options) {
this.setOptions(options);
this.onComplete = this.options.onComplete;
this.frequency = (this.options.frequency || 2);
this.decay = (this.options.decay || 1);
this.updater = {};
this.container = container;
this.url = url;
this.start();
},
start: function() {
this.options.onComplete = this.updateComplete.bind(this);
this.onTimerEvent();
},
stop: function() {
this.updater.options.onComplete = undefined;
clearTimeout(this.timer);
(this.onComplete || Prototype.emptyFunction).apply(this, arguments);
},
updateComplete: function(request) {
if (this.options.decay) {
this.decay = (request.responseText == this.lastText ?
this.decay * this.options.decay : 1);
this.lastText = request.responseText;
}
this.timer = setTimeout(this.onTimerEvent.bind(this),
this.decay * this.frequency * 1000);
},
onTimerEvent: function() {
this.updater = new Ajax.Updater(this.container, this.url, this.options);
}
});
function $(element) {
if (arguments.length > 1) {
for (var i = 0, elements = [], length = arguments.length; i < length; i++)
elements.push($(arguments[i]));
return elements;
}
if (typeof element == 'string')
element = document.getElementById(element);
return Element.extend(element);
}
if (Prototype.BrowserFeatures.XPath) {
document._getElementsByXPath = function(expression, parentElement) {
var results = [];
var query = document.evaluate(expression, $(parentElement) || document,
null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
for (var i = 0, length = query.snapshotLength; i < length; i++)
results.push(query.snapshotItem(i));
return results;
};
document.getElementsByClassName = function(className, parentElement) {
var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
return document._getElementsByXPath(q, parentElement);
}
} else document.getElementsByClassName = function(className, parentElement) {
var children = ($(parentElement) || document.body).getElementsByTagName('*');
var elements = [], child;
for (var i = 0, length = children.length; i < length; i++) {
child = children[i];
if (Element.hasClassName(child, className))
elements.push(Element.extend(child));
}
return elements;
};
/*--------------------------------------------------------------------------*/
if (!window.Element) var Element = {};
Element.extend = function(element) {
var F = Prototype.BrowserFeatures;
if (!element || !element.tagName || element.nodeType == 3 ||
element._extended || F.SpecificElementExtensions || element == window)
return element;
var methods = {}, tagName = element.tagName, cache = Element.extend.cache,
T = Element.Methods.ByTag;
// extend methods for all tags (Safari doesn't need this)
if (!F.ElementExtensions) {
Object.extend(methods, Element.Methods),
Object.extend(methods, Element.Methods.Simulated);
}
// extend methods for specific tags
if (T[tagName]) Object.extend(methods, T[tagName]);
for (var property in methods) {
var value = methods[property];
if (typeof value == 'function' && !(property in element))
element[property] = cache.findOrStore(value);
}
element._extended = Prototype.emptyFunction;
return element;
};
Element.extend.cache = {
findOrStore: function(value) {
return this[value] = this[value] || function() {
return value.apply(null, [this].concat($A(arguments)));
}
}
};
Element.Methods = {
visible: function(element) {
return $(element).style.display != 'none';
},
toggle: function(element) {
element = $(element);
Element[Element.visible(element) ? 'hide' : 'show'](element);
return element;
},
hide: function(element) {
$(element).style.display = 'none';
return element;
},
show: function(element) {
$(element).style.display = '';
return element;
},
remove: function(element) {
element = $(element);
element.parentNode.removeChild(element);
return element;
},
update: function(element, html) {
html = typeof html == 'undefined' ? '' : html.toString();
$(element).innerHTML = html.stripScripts();
setTimeout(function() {html.evalScripts()}, 10);
return element;
},
replace: function(element, html) {
element = $(element);
html = typeof html == 'undefined' ? '' : html.toString();
if (element.outerHTML) {
element.outerHTML = html.stripScripts();
} else {
var range = element.ownerDocument.createRange();
range.selectNodeContents(element);
element.parentNode.replaceChild(
range.createContextualFragment(html.stripScripts()), element);
}
setTimeout(function() {html.evalScripts()}, 10);
return element;
},
inspect: function(element) {
element = $(element);
var result = '<' + element.tagName.toLowerCase();
$H({'id': 'id', 'className': 'class'}).each(function(pair) {
var property = pair.first(), attribute = pair.last();
var value = (element[property] || '').toString();
if (value) result += ' ' + attribute + '=' + value.inspect(true);
});
return result + '>';
},
recursivelyCollect: function(element, property) {
element = $(element);
var elements = [];
while (element = element[property])
if (element.nodeType == 1)
elements.push(Element.extend(element));
return elements;
},
ancestors: function(element) {
return $(element).recursivelyCollect('parentNode');
},
descendants: function(element) {
return $A($(element).getElementsByTagName('*')).each(Element.extend);
},
immediateDescendants: function(element) {
if (!(element = $(element).firstChild)) return [];
while (element && element.nodeType != 1) element = element.nextSibling;
if (element) return [element].concat($(element).nextSiblings());
return [];
},
previousSiblings: function(element) {
return $(element).recursivelyCollect('previousSibling');
},
nextSiblings: function(element) {
return $(element).recursivelyCollect('nextSibling');
},
siblings: function(element) {
element = $(element);
return element.previousSiblings().reverse().concat(element.nextSiblings());
},
match: function(element, selector) {
if (typeof selector == 'string')
selector = new Selector(selector);
return selector.match($(element));
},
up: function(element, expression, index) {
var ancestors = $(element).ancestors();
return expression ? Selector.findElement(ancestors, expression, index) :
ancestors[index || 0];
},
down: function(element, expression, index) {
var descendants = $(element).descendants();
return expression ? Selector.findElement(descendants, expression, index) :
descendants[index || 0];
},
previous: function(element, expression, index) {
var previousSiblings = $(element).previousSiblings();
return expression ? Selector.findElement(previousSiblings, expression, index) :
previousSiblings[index || 0];
},
next: function(element, expression, index) {
var nextSiblings = $(element).nextSiblings();
return expression ? Selector.findElement(nextSiblings, expression, index) :
nextSiblings[index || 0];
},
getElementsBySelector: function() {
var args = $A(arguments), element = $(args.shift());
return Selector.findChildElements(element, args);
},
getElementsByClassName: function(element, className) {
return document.getElementsByClassName(className, element);
},
readAttribute: function(element, name) {
element = $(element);
if (Prototype.Browser.IE) {
if (!element.attributes) return null;
var t = Element._attributeTranslations;
if (t.values[name]) return t.values[name](element, name);
if (t.names[name]) name = t.names[name];
var attribute = element.attributes[name];
return attribute ? attribute.nodeValue : null;
}
return element.getAttribute(name);
},
getHeight: function(element) {
return $(element).getDimensions().height;
},
getWidth: function(element) {
return $(element).getDimensions().width;
},
classNames: function(element) {
return new Element.ClassNames(element);
},
hasClassName: function(element, className) {
if (!(element = $(element))) return;
var elementClassName = element.className;
if (elementClassName.length == 0) return false;
if (elementClassName == className ||
elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
return true;
return false;
},
addClassName: function(element, className) {
if (!(element = $(element))) return;
Element.classNames(element).add(className);
return element;
},
removeClassName: function(element, className) {
if (!(element = $(element))) return;
Element.classNames(element).remove(className);
return element;
},
toggleClassName: function(element, className) {
if (!(element = $(element))) return;
Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className);
return element;
},
observe: function() {
Event.observe.apply(Event, arguments);
return $A(arguments).first();
},
stopObserving: function() {
Event.stopObserving.apply(Event, arguments);
return $A(arguments).first();
},
// removes whitespace-only text node children
cleanWhitespace: function(element) {
element = $(element);
var node = element.firstChild;
while (node) {
var nextNode = node.nextSibling;
if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
element.removeChild(node);
node = nextNode;
}
return element;
},
empty: function(element) {
return $(element).innerHTML.blank();
},
descendantOf: function(element, ancestor) {
element = $(element), ancestor = $(ancestor);
while (element = element.parentNode)
if (element == ancestor) return true;
return false;
},
scrollTo: function(element) {
element = $(element);
var pos = Position.cumulativeOffset(element);
window.scrollTo(pos[0], pos[1]);
return element;
},
getStyle: function(element, style) {
element = $(element);
style = style == 'float' ? 'cssFloat' : style.camelize();
var value = element.style[style];
if (!value) {
var css = document.defaultView.getComputedStyle(element, null);
value = css ? css[style] : null;
}
if (style == 'opacity') return value ? parseFloat(value) : 1.0;
return value == 'auto' ? null : value;
},
getOpacity: function(element) {
return $(element).getStyle('opacity');
},
setStyle: function(element, styles, camelized) {
element = $(element);
var elementStyle = element.style;
for (var property in styles)
if (property == 'opacity') element.setOpacity(styles[property])
else
elementStyle[(property == 'float' || property == 'cssFloat') ?
(elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') :
(camelized ? property : property.camelize())] = styles[property];
return element;
},
setOpacity: function(element, value) {
element = $(element);
element.style.opacity = (value == 1 || value === '') ? '' :
(value < 0.00001) ? 0 : value;
return element;
},
getDimensions: function(element) {
element = $(element);
var display = $(element).getStyle('display');
if (display != 'none' && display != null) // Safari bug
return {width: element.offsetWidth, height: element.offsetHeight};
// All *Width and *Height properties give 0 on elements with display none,
// so enable the element temporarily
var els = element.style;
var originalVisibility = els.visibility;
var originalPosition = els.position;
var originalDisplay = els.display;
els.visibility = 'hidden';
els.position = 'absolute';
els.display = 'block';
var originalWidth = element.clientWidth;
var originalHeight = element.clientHeight;
els.display = originalDisplay;
els.position = originalPosition;
els.visibility = originalVisibility;
return {width: originalWidth, height: originalHeight};
},
makePositioned: function(element) {
element = $(element);
var pos = Element.getStyle(element, 'position');
if (pos == 'static' || !pos) {
element._madePositioned = true;
element.style.position = 'relative';
// Opera returns the offset relative to the positioning context, when an
// element is position relative but top and left have not been defined
if (window.opera) {
element.style.top = 0;
element.style.left = 0;
}
}
return element;
},
undoPositioned: function(element) {
element = $(element);
if (element._madePositioned) {
element._madePositioned = undefined;
element.style.position =
element.style.top =
element.style.left =
element.style.bottom =
element.style.right = '';
}
return element;
},
makeClipping: function(element) {
element = $(element);
if (element._overflow) return element;
element._overflow = element.style.overflow || 'auto';
if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
element.style.overflow = 'hidden';
return element;
},
undoClipping: function(element) {
element = $(element);
if (!element._overflow) return element;
element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
element._overflow = null;
return element;
}
};
Object.extend(Element.Methods, {childOf: Element.Methods.descendantOf});
if (Prototype.Browser.Opera) {
Element.Methods._getStyle = Element.Methods.getStyle;
Element.Methods.getStyle = function(element, style) {
switch(style) {
case 'left':
case 'top':
case 'right':
case 'bottom':
if (Element._getStyle(element, 'position') == 'static') return null;
default: return Element._getStyle(element, style);
}
};
}
else if (Prototype.Browser.IE) {
Element.Methods.getStyle = function(element, style) {
element = $(element);
style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
var value = element.style[style];
if (!value && element.currentStyle) value = element.currentStyle[style];
if (style == 'opacity') {
if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
if (value[1]) return parseFloat(value[1]) / 100;
return 1.0;
}
if (value == 'auto') {
if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
return element['offset'+style.capitalize()] + 'px';
return null;
}
return value;
};
Element.Methods.setOpacity = function(element, value) {
element = $(element);
var filter = element.getStyle('filter'), style = element.style;
if (value == 1 || value === '') {
style.filter = filter.replace(/alpha\([^\)]*\)/gi,'');
return element;
} else if (value < 0.00001) value = 0;
style.filter = filter.replace(/alpha\([^\)]*\)/gi, '') +
'alpha(opacity=' + (value * 100) + ')';
return element;
};
// IE is missing .innerHTML support for TABLE-related elements
Element.Methods.update = function(element, html) {
element = $(element);
html = typeof html == 'undefined' ? '' : html.toString();
var tagName = element.tagName.toUpperCase();
if (['THEAD','TBODY','TR','TD'].include(tagName)) {
var div = document.createElement('div');
switch (tagName) {
case 'THEAD':
case 'TBODY':
div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>';
depth = 2;
break;
case 'TR':
div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>';
depth = 3;
break;
case 'TD':
div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>';
depth = 4;
}
$A(element.childNodes).each(function(node) { element.removeChild(node) });
depth.times(function() { div = div.firstChild });
$A(div.childNodes).each(function(node) { element.appendChild(node) });
} else {
element.innerHTML = html.stripScripts();
}
setTimeout(function() { html.evalScripts() }, 10);
return element;
}
}
else if (Prototype.Browser.Gecko) {
Element.Methods.setOpacity = function(element, value) {
element = $(element);
element.style.opacity = (value == 1) ? 0.999999 :
(value === '') ? '' : (value < 0.00001) ? 0 : value;
return element;
};
}
Element._attributeTranslations = {
names: {
colspan: "colSpan",
rowspan: "rowSpan",
valign: "vAlign",
datetime: "dateTime",
accesskey: "accessKey",
tabindex: "tabIndex",
enctype: "encType",
maxlength: "maxLength",
readonly: "readOnly",
longdesc: "longDesc"
},
values: {
_getAttr: function(element, attribute) {
return element.getAttribute(attribute, 2);
},
_flag: function(element, attribute) {
return $(element).hasAttribute(attribute) ? attribute : null;
},
style: function(element) {
return element.style.cssText.toLowerCase();
},
title: function(element) {
var node = element.getAttributeNode('title');
return node.specified ? node.nodeValue : null;
}
}
};
(function() {
Object.extend(this, {
href: this._getAttr,
src: this._getAttr,
disabled: this._flag,
checked: this._flag,
readonly: this._flag,
multiple: this._flag
});
}).call(Element._attributeTranslations.values);
Element.Methods.Simulated = {
hasAttribute: function(element, attribute) {
var t = Element._attributeTranslations, node;
attribute = t.names[attribute] || attribute;
node = $(element).getAttributeNode(attribute);
return node && node.specified;
}
};
Element.Methods.ByTag = {};
Object.extend(Element, Element.Methods);
if (!Prototype.BrowserFeatures.ElementExtensions &&
document.createElement('div').__proto__) {
window.HTMLElement = {};
window.HTMLElement.prototype = document.createElement('div').__proto__;
Prototype.BrowserFeatures.ElementExtensions = true;
}
Element.hasAttribute = function(element, attribute) {
if (element.hasAttribute) return element.hasAttribute(attribute);
return Element.Methods.Simulated.hasAttribute(element, attribute);
};
Element.addMethods = function(methods) {
var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
if (arguments.length == 2) {
var tagName = methods;
methods = arguments[1];
}
if (!tagName) Object.extend(Element.Methods, methods || {});
else {
if (tagName.constructor == Array) tagName.each(extend);
else extend(tagName);
}
function extend(tagName) {
tagName = tagName.toUpperCase();
if (!Element.Methods.ByTag[tagName])
Element.Methods.ByTag[tagName] = {};
Object.extend(Element.Methods.ByTag[tagName], methods);
}
function copy(methods, destination, onlyIfAbsent) {
onlyIfAbsent = onlyIfAbsent || false;
var cache = Element.extend.cache;
for (var property in methods) {
var value = methods[property];
if (!onlyIfAbsent || !(property in destination))
destination[property] = cache.findOrStore(value);
}
}
function findDOMClass(tagName) {
var klass;
var trans = {
"OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
"FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
"DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
"H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
"INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
"TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
"TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
"TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
"FrameSet", "IFRAME": "IFrame"
};
if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
if (window[klass]) return window[klass];
klass = 'HTML' + tagName + 'Element';
if (window[klass]) return window[klass];
klass = 'HTML' + tagName.capitalize() + 'Element';
if (window[klass]) return window[klass];
window[klass] = {};
window[klass].prototype = document.createElement(tagName).__proto__;
return window[klass];
}
if (F.ElementExtensions) {
copy(Element.Methods, HTMLElement.prototype);
copy(Element.Methods.Simulated, HTMLElement.prototype, true);
}
if (F.SpecificElementExtensions) {
for (var tag in Element.Methods.ByTag) {
var klass = findDOMClass(tag);
if (typeof klass == "undefined") continue;
copy(T[tag], klass.prototype);
}
}
};
var Toggle = { display: Element.toggle };
/*--------------------------------------------------------------------------*/
Abstract.Insertion = function(adjacency) {
this.adjacency = adjacency;
}
Abstract.Insertion.prototype = {
initialize: function(element, content) {
this.element = $(element);
this.content = content.stripScripts();
if (this.adjacency && this.element.insertAdjacentHTML) {
try {
this.element.insertAdjacentHTML(this.adjacency, this.content);
} catch (e) {
var tagName = this.element.tagName.toUpperCase();
if (['TBODY', 'TR'].include(tagName)) {
this.insertContent(this.contentFromAnonymousTable());
} else {
throw e;
}
}
} else {
this.range = this.element.ownerDocument.createRange();
if (this.initializeRange) this.initializeRange();
this.insertContent([this.range.createContextualFragment(this.content)]);
}
setTimeout(function() {content.evalScripts()}, 10);
},
contentFromAnonymousTable: function() {
var div = document.createElement('div');
div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
return $A(div.childNodes[0].childNodes[0].childNodes);
}
}
var Insertion = new Object();
Insertion.Before = Class.create();
Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
initializeRange: function() {
this.range.setStartBefore(this.element);
},
insertContent: function(fragments) {
fragments.each((function(fragment) {
this.element.parentNode.insertBefore(fragment, this.element);
}).bind(this));
}
});
Insertion.Top = Class.create();
Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
initializeRange: function() {
this.range.selectNodeContents(this.element);
this.range.collapse(true);
},
insertContent: function(fragments) {
fragments.reverse(false).each((function(fragment) {
this.element.insertBefore(fragment, this.element.firstChild);
}).bind(this));
}
});
Insertion.Bottom = Class.create();
Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
initializeRange: function() {
this.range.selectNodeContents(this.element);
this.range.collapse(this.element);
},
insertContent: function(fragments) {
fragments.each((function(fragment) {
this.element.appendChild(fragment);
}).bind(this));
}
});
Insertion.After = Class.create();
Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
initializeRange: function() {
this.range.setStartAfter(this.element);
},
insertContent: function(fragments) {
fragments.each((function(fragment) {
this.element.parentNode.insertBefore(fragment,
this.element.nextSibling);
}).bind(this));
}
});
/*--------------------------------------------------------------------------*/
Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
initialize: function(element) {
this.element = $(element);
},
_each: function(iterator) {
this.element.className.split(/\s+/).select(function(name) {
return name.length > 0;
})._each(iterator);
},
set: function(className) {
this.element.className = className;
},
add: function(classNameToAdd) {
if (this.include(classNameToAdd)) return;
this.set($A(this).concat(classNameToAdd).join(' '));
},
remove: function(classNameToRemove) {
if (!this.include(classNameToRemove)) return;
this.set($A(this).without(classNameToRemove).join(' '));
},
toString: function() {
return $A(this).join(' ');
}
};
Object.extend(Element.ClassNames.prototype, Enumerable);
/* Portions of the Selector class are derived from Jack Slocum’s DomQuery,
* part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
* license. Please see http://www.yui-ext.com/ for more information. */
var Selector = Class.create();
Selector.prototype = {
initialize: function(expression) {
this.expression = expression.strip();
this.compileMatcher();
},
compileMatcher: function() {
// Selectors with namespaced attributes can't use the XPath version
if (Prototype.BrowserFeatures.XPath && !(/\[[\w-]*?:/).test(this.expression))
return this.compileXPathMatcher();
var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
c = Selector.criteria, le, p, m;
if (Selector._cache[e]) {
this.matcher = Selector._cache[e]; return;
}
this.matcher = ["this.matcher = function(root) {",
"var r = root, h = Selector.handlers, c = false, n;"];
while (e && le != e && (/\S/).test(e)) {
le = e;
for (var i in ps) {
p = ps[i];
if (m = e.match(p)) {
this.matcher.push(typeof c[i] == 'function' ? c[i](m) :
new Template(c[i]).evaluate(m));
e = e.replace(m[0], '');
break;
}
}
}
this.matcher.push("return h.unique(n);\n}");
eval(this.matcher.join('\n'));
Selector._cache[this.expression] = this.matcher;
},
compileXPathMatcher: function() {
var e = this.expression, ps = Selector.patterns,
x = Selector.xpath, le, p, m;
if (Selector._cache[e]) {
this.xpath = Selector._cache[e]; return;
}
this.matcher = ['.//*'];
while (e && le != e && (/\S/).test(e)) {
le = e;
for (var i in ps) {
if (m = e.match(ps[i])) {
this.matcher.push(typeof x[i] == 'function' ? x[i](m) :
new Template(x[i]).evaluate(m));
e = e.replace(m[0], '');
break;
}
}
}
this.xpath = this.matcher.join('');
Selector._cache[this.expression] = this.xpath;
},
findElements: function(root) {
root = root || document;
if (this.xpath) return document._getElementsByXPath(this.xpath, root);
return this.matcher(root);
},
match: function(element) {
return this.findElements(document).include(element);
},
toString: function() {
return this.expression;
},
inspect: function() {
return "#<Selector:" + this.expression.inspect() + ">";
}
};
Object.extend(Selector, {
_cache: {},
xpath: {
descendant: "//*",
child: "/*",
adjacent: "/following-sibling::*[1]",
laterSibling: '/following-sibling::*',
tagName: function(m) {
if (m[1] == '*') return '';
return "[local-name()='" + m[1].toLowerCase() +
"' or local-name()='" + m[1].toUpperCase() + "']";
},
className: "[contains(concat(' ', @class, ' '), ' #{1} ')]",
id: "[@id='#{1}']",
attrPresence: "[@#{1}]",
attr: function(m) {
m[3] = m[5] || m[6];
return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
},
pseudo: function(m) {
var h = Selector.xpath.pseudos[m[1]];
if (!h) return '';
if (typeof h === 'function') return h(m);
return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
},
operators: {
'=': "[@#{1}='#{3}']",
'!=': "[@#{1}!='#{3}']",
'^=': "[starts-with(@#{1}, '#{3}')]",
'$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
'*=': "[contains(@#{1}, '#{3}')]",
'~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
'|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
},
pseudos: {
'first-child': '[not(preceding-sibling::*)]',
'last-child': '[not(following-sibling::*)]',
'only-child': '[not(preceding-sibling::* or following-sibling::*)]',
'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
'checked': "[@checked]",
'disabled': "[@disabled]",
'enabled': "[not(@disabled)]",
'not': function(m) {
if (!m[6]) return '';
var p = Selector.patterns, x = Selector.xpath;
for (var i in p) {
if (mm = m[6].match(p[i])) {
var ss = typeof x[i] == 'function' ? x[i](mm) : new Template(x[i]).evaluate(mm);
m[6] = ss.substring(1, ss.length - 1);
break;
}
}
return "[not(" + m[6] + ")]";
},
'nth-child': function(m) {
return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
},
'nth-last-child': function(m) {
return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
},
'nth-of-type': function(m) {
return Selector.xpath.pseudos.nth("position() ", m);
},
'nth-last-of-type': function(m) {
return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
},
'first-of-type': function(m) {
m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
},
'last-of-type': function(m) {
m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
},
'only-of-type': function(m) {
var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
},
nth: function(predicate, m) {
var mm, formula = m[6];
if (formula == 'even') formula = '2n+0';
if (formula == 'odd') formula = '2n+1';
if (mm = formula.match(/^(\d+)$/)) // digit only
predicate += "= " + mm[1];
if (mm = formula.match(/^(\d+)?n(\+(\d+))?/)) { // an+b
var a = mm[1] ? Number(mm[1]) : 1;
var b = mm[3] ? Number(mm[3]) : 0;
predicate += "mod " + a + " = " + b;
}
return "[" + predicate + "]";
}
}
},
criteria: {
tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;',
className: 'n = h.className(n, r, "#{1}", c); c = false;',
id: 'n = h.id(n, r, "#{1}", c); c = false;',
attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;',
attr: function(m) {
m[3] = m[5] || m[6];
return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m);
},
pseudo: 'n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;',
descendant: 'c = "descendant";',
child: 'c = "child";',
adjacent: 'c = "adjacent";',
laterSibling: 'c = "laterSibling";'
},
patterns: {
// combinators must be listed first
// (and descendant needs to be last combinator)
laterSibling: /^\s*~\s*/,
child: /^\s*>\s*/,
adjacent: /^\s*\+\s*/,
descendant: /^\s/,
// selectors follow
tagName: /^\s*(\*|[\w\-]+)(\b|$)?/,
id: /^#([\w\-\*]+)(\b|$)/,
className: /^\.([\w\-\*]+)(\b|$)/,
pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$)/,
attrPresence: /^\[([\w]+)\]/,
attr: new RegExp(/\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/)
},
handlers: {
// UTILITY FUNCTIONS
// joins two collections
concat: function(a, b) {
for (var i = 0, node; node = b[i]; i++)
a.push(node);
return a;
},
// marks an array of nodes for counting
mark: function(nodes) {
for (var i = 0, node; node = nodes[i]; i++)
node._counted = true;
return nodes;
},
unmark: function(nodes) {
for (var i = 0, node; node = nodes[i]; i++)
node._counted = undefined;
return nodes;
},
// mark each child node with its position (for nth calls)
// "ofType" flag indicates whether we're indexing for nth-of-type
// rather than nth-child
index: function(parentNode, reverse, ofType) {
parentNode._counted = true;
if (reverse) {
for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
node = nodes[i];
if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
}
} else {
for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
}
},
// filters out duplicates and extends all nodes
unique: function(nodes) {
if (nodes.length == 0) return nodes;
var results = [], n;
for (var i = 0, l = nodes.length; i < l; i++)
if (!(n = nodes[i])._counted) {
n._counted = true;
results.push(Element.extend(n));
}
return Selector.handlers.unmark(results);
},
// COMBINATOR FUNCTIONS
descendant: function(nodes) {
var h = Selector.handlers;
for (var i = 0, results = [], node; node = nodes[i]; i++)
h.concat(results, Element.descendants(node));
return results;
},
child: function(nodes) {
var h = Selector.handlers;
for (var i = 0, results = [], node; node = nodes[i]; i++)
h.concat(results, Element.immediateDescendants(node));
return results;
},
adjacent: function(nodes) {
for (var i = 0, results = [], node; node = nodes[i]; i++) {
var next = this.nextElementSibling(node);
if (next) results.push(next);
}
return results;
},
laterSibling: function(nodes) {
var h = Selector.handlers;
for (var i = 0, results = [], node; node = nodes[i]; i++)
h.concat(results, Element.nextSiblings(node));
return results;
},
nextElementSibling: function(node) {
while (node = node.nextSibling)
if (node.nodeType == 1) return node;
return null;
},
previousElementSibling: function(node) {
while (node = node.previousSibling)
if (node.nodeType == 1) return node;
return null;
},
// TOKEN FUNCTIONS
tagName: function(nodes, root, tagName, combinator) {
tagName = tagName.toUpperCase();
var results = [], h = Selector.handlers;
if (nodes) {
if (combinator) {
// fastlane for ordinary descendant combinators
if (combinator == "descendant") {
for (var i = 0, node; node = nodes[i]; i++)
h.concat(results, node.getElementsByTagName(tagName));
return results;
} else nodes = this[combinator](nodes);
if (tagName == "*") return nodes;
}
for (var i = 0, node; node = nodes[i]; i++)
if (node.tagName.toUpperCase() == tagName) results.push(node);
return results;
} else return root.getElementsByTagName(tagName);
},
id: function(nodes, root, id, combinator) {
var targetNode = $(id), h = Selector.handlers;
if (!nodes && root == document) return targetNode ? [targetNode] : [];
if (nodes) {
if (combinator) {
if (combinator == 'child') {
for (var i = 0, node; node = nodes[i]; i++)
if (targetNode.parentNode == node) return [targetNode];
} else if (combinator == 'descendant') {
for (var i = 0, node; node = nodes[i]; i++)
if (Element.descendantOf(targetNode, node)) return [targetNode];
} else if (combinator == 'adjacent') {
for (var i = 0, node; node = nodes[i]; i++)
if (Selector.handlers.previousElementSibling(targetNode) == node)
return [targetNode];
} else nodes = h[combinator](nodes);
}
for (var i = 0, node; node = nodes[i]; i++)
if (node == targetNode) return [targetNode];
return [];
}
return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
},
className: function(nodes, root, className, combinator) {
if (nodes && combinator) nodes = this[combinator](nodes);
return Selector.handlers.byClassName(nodes, root, className);
},
byClassName: function(nodes, root, className) {
if (!nodes) nodes = Selector.handlers.descendant([root]);
var needle = ' ' + className + ' ';
for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
nodeClassName = node.className;
if (nodeClassName.length == 0) continue;
if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
results.push(node);
}
return results;
},
attrPresence: function(nodes, root, attr) {
var results = [];
for (var i = 0, node; node = nodes[i]; i++)
if (Element.hasAttribute(node, attr)) results.push(node);
return results;
},
attr: function(nodes, root, attr, value, operator) {
var handler = Selector.operators[operator], results = [];
for (var i = 0, node; node = nodes[i]; i++) {
var nodeValue = Element.readAttribute(node, attr);
if (nodeValue === null) continue;
if (handler(nodeValue, value)) results.push(node);
}
return results;
},
pseudo: function(nodes, name, value, root, combinator) {
if (combinator) nodes = this[combinator](nodes);
return Selector.pseudos[name](nodes, value, root);
}
},
pseudos: {
'first-child': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++) {
if (Selector.handlers.previousElementSibling(node)) continue;
results.push(node);
}
return results;
},
'last-child': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++) {
if (Selector.handlers.nextElementSibling(node)) continue;
results.push(node);
}
return results;
},
'only-child': function(nodes, value, root) {
var h = Selector.handlers;
for (var i = 0, results = [], node; node = nodes[i]; i++)
if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
results.push(node);
return results;
},
'nth-child': function(nodes, formula, root) {
return Selector.pseudos.nth(nodes, formula, root);
},
'nth-last-child': function(nodes, formula, root) {
return Selector.pseudos.nth(nodes, formula, root, true);
},
'nth-of-type': function(nodes, formula, root) {
return Selector.pseudos.nth(nodes, formula, root, false, true);
},
'nth-last-of-type': function(nodes, formula, root) {
return Selector.pseudos.nth(nodes, formula, root, true, true);
},
'first-of-type': function(nodes, formula, root) {
return Selector.pseudos.nth(nodes, "1", root, false, true);
},
'last-of-type': function(nodes, formula, root) {
return Selector.pseudos.nth(nodes, "1", root, true, true);
},
'only-of-type': function(nodes, formula, root) {
var p = Selector.pseudos;
return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
},
// handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
nth: function(nodes, formula, root, reverse, ofType) {
if (formula == 'even') formula = '2n+0';
if (formula == 'odd') formula = '2n+1';
var h = Selector.handlers, results = [], indexed = [], m;
h.mark(nodes);
for (var i = 0, node; node = nodes[i]; i++) {
if (!node.parentNode._counted) {
h.index(node.parentNode, reverse, ofType);
indexed.push(node.parentNode);
}
}
if (formula.match(/^\d+$/)) { // just a number
formula = Number(formula);
for (var i = 0, node; node = nodes[i]; i++)
if (node.nodeIndex == formula) results.push(node);
} else if (m = formula.match(/^(\d+)?n(\+(\d+))?$/)) { // an+b
var a = m[1] ? Number(m[1]) : 1;
var b = m[3] ? Number(m[3]) : 0;
for (var i = 0, node; node = nodes[i]; i++)
if (node.nodeIndex % a == b) results.push(node);
}
h.unmark(nodes);
h.unmark(indexed);
return results;
},
'empty': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++) {
// IE treats comments as element nodes
if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
results.push(node);
}
return results;
},
'not': function(nodes, selector, root) {
var h = Selector.handlers, exclusions = $A(nodes), selectorType, m;
for (var i in Selector.patterns) {
if (m = selector.match(Selector.patterns[i])) {
selectorType = i; break;
}
}
switch(selectorType) {
case 'className': case 'tagName': case 'id': // fallthroughs
case 'attrPresence': exclusions = h[selectorType](exclusions, root, m[1], false); break;
case 'attr': m[3] = m[5] || m[6]; exclusions = h.attr(exclusions, root, m[1], m[3], m[2]); break;
case 'pseudo': exclusions = h.pseudo(exclusions, m[1], m[6], root, false); break;
// only 'simple selectors' (one token) allowed in a :not clause
default: throw 'Illegal selector in :not clause.';
}
h.mark(exclusions);
for (var i = 0, results = [], node; node = nodes[i]; i++)
if (!node._counted) results.push(node);
h.unmark(exclusions);
return results;
},
'enabled': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++)
if (!node.disabled) results.push(node);
return results;
},
'disabled': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++)
if (node.disabled) results.push(node);
return results;
},
'checked': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++)
if (node.checked) results.push(node);
return results;
}
},
operators: {
'=': function(nv, v) { return nv == v; },
'!=': function(nv, v) { return nv != v; },
'^=': function(nv, v) { return nv.startsWith(v); },
'$=': function(nv, v) { return nv.endsWith(v); },
'*=': function(nv, v) { return nv.include(v); },
'~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
'|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
},
matchElements: function(elements, expression) {
var matches = new Selector(expression).findElements(), h = Selector.handlers;
h.mark(matches);
for (var i = 0, results = [], element; element = elements[i]; i++)
if (element._counted) results.push(element);
h.unmark(matches);
return results;
},
findElement: function(elements, expression, index) {
if (typeof expression == 'number') {
index = expression; expression = false;
}
return Selector.matchElements(elements, expression || '*')[index || 0];
},
findChildElements: function(element, expressions) {
var exprs = expressions.join(','), expressions = [];
exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
expressions.push(m[1].strip());
});
var results = [], h = Selector.handlers;
for (var i = 0, l = expressions.length, selector; i < l; i++) {
selector = new Selector(expressions[i].strip());
h.concat(results, selector.findElements(element));
}
return (l > 1) ? h.unique(results) : results;
}
});
function $$() {
return Selector.findChildElements(document, $A(arguments));
}
var Form = {
reset: function(form) {
$(form).reset();
return form;
},
serializeElements: function(elements, getHash) {
var data = elements.inject({}, function(result, element) {
if (!element.disabled && element.name) {
var key = element.name, value = $(element).getValue();
if (value != null) {
if (key in result) {
if (result[key].constructor != Array) result[key] = [result[key]];
result[key].push(value);
}
else result[key] = value;
}
}
return result;
});
return getHash ? data : Hash.toQueryString(data);
}
};
Form.Methods = {
serialize: function(form, getHash) {
return Form.serializeElements(Form.getElements(form), getHash);
},
getElements: function(form) {
return $A($(form).getElementsByTagName('*')).inject([],
function(elements, child) {
if (Form.Element.Serializers[child.tagName.toLowerCase()])
elements.push(Element.extend(child));
return elements;
}
);
},
getInputs: function(form, typeName, name) {
form = $(form);
var inputs = form.getElementsByTagName('input');
if (!typeName && !name) return $A(inputs).map(Element.extend);
for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
var input = inputs[i];
if ((typeName && input.type != typeName) || (name && input.name != name))
continue;
matchingInputs.push(Element.extend(input));
}
return matchingInputs;
},
disable: function(form) {
form = $(form);
form.getElements().each(function(element) {
element.blur();
element.disabled = 'true';
});
return form;
},
enable: function(form) {
form = $(form);
form.getElements().each(function(element) {
element.disabled = '';
});
return form;
},
findFirstElement: function(form) {
return $(form).getElements().find(function(element) {
return element.type != 'hidden' && !element.disabled &&
['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
});
},
focusFirstElement: function(form) {
form = $(form);
form.findFirstElement().activate();
return form;
},
request: function(form, options) {
form = $(form), options = Object.clone(options || {});
var params = options.parameters;
options.parameters = form.serialize(true);
if (params) {
if (typeof params == 'string') params = params.toQueryParams();
Object.extend(options.parameters, params);
}
if (form.hasAttribute('method') && !options.method)
options.method = form.method;
return new Ajax.Request(form.action, options);
}
}
Object.extend(Form, Form.Methods);
/*--------------------------------------------------------------------------*/
Form.Element = {
focus: function(element) {
$(element).focus();
return element;
},
select: function(element) {
$(element).select();
return element;
}
}
Form.Element.Methods = {
serialize: function(element) {
element = $(element);
if (!element.disabled && element.name) {
var value = element.getValue();
if (value != undefined) {
var pair = {};
pair[element.name] = value;
return Hash.toQueryString(pair);
}
}
return '';
},
getValue: function(element) {
element = $(element);
var method = element.tagName.toLowerCase();
return Form.Element.Serializers[method](element);
},
clear: function(element) {
$(element).value = '';
return element;
},
present: function(element) {
return $(element).value != '';
},
activate: function(element) {
element = $(element);
try {
element.focus();
if (element.select && (element.tagName.toLowerCase() != 'input' ||
!['button', 'reset', 'submit'].include(element.type)))
element.select();
} catch (e) {}
return element;
},
disable: function(element) {
element = $(element);
element.blur();
element.disabled = true;
return element;
},
enable: function(element) {
element = $(element);
element.disabled = false;
return element;
}
}
Object.extend(Form.Element, Form.Element.Methods);
Object.extend(Element.Methods.ByTag, {
"FORM": Object.clone(Form.Methods),
"INPUT": Object.clone(Form.Element.Methods),
"SELECT": Object.clone(Form.Element.Methods),
"TEXTAREA": Object.clone(Form.Element.Methods)
});
/*--------------------------------------------------------------------------*/
var Field = Form.Element;
var $F = Form.Element.getValue;
/*--------------------------------------------------------------------------*/
Form.Element.Serializers = {
input: function(element) {
switch (element.type.toLowerCase()) {
case 'checkbox':
case 'radio':
return Form.Element.Serializers.inputSelector(element);
default:
return Form.Element.Serializers.textarea(element);
}
},
inputSelector: function(element) {
return element.checked ? element.value : null;
},
textarea: function(element) {
return element.value;
},
select: function(element) {
return this[element.type == 'select-one' ?
'selectOne' : 'selectMany'](element);
},
selectOne: function(element) {
var index = element.selectedIndex;
return index >= 0 ? this.optionValue(element.options[index]) : null;
},
selectMany: function(element) {
var values, length = element.length;
if (!length) return null;
for (var i = 0, values = []; i < length; i++) {
var opt = element.options[i];
if (opt.selected) values.push(this.optionValue(opt));
}
return values;
},
optionValue: function(opt) {
// extend element because hasAttribute may not be native
return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
}
}
/*--------------------------------------------------------------------------*/
Abstract.TimedObserver = function() {}
Abstract.TimedObserver.prototype = {
initialize: function(element, frequency, callback) {
this.frequency = frequency;
this.element = $(element);
this.callback = callback;
this.lastValue = this.getValue();
this.registerCallback();
},
registerCallback: function() {
setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
},
onTimerEvent: function() {
var value = this.getValue();
var changed = ('string' == typeof this.lastValue && 'string' == typeof value
? this.lastValue != value : String(this.lastValue) != String(value));
if (changed) {
this.callback(this.element, value);
this.lastValue = value;
}
}
}
Form.Element.Observer = Class.create();
Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
getValue: function() {
return Form.Element.getValue(this.element);
}
});
Form.Observer = Class.create();
Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
getValue: function() {
return Form.serialize(this.element);
}
});
/*--------------------------------------------------------------------------*/
Abstract.EventObserver = function() {}
Abstract.EventObserver.prototype = {
initialize: function(element, callback) {
this.element = $(element);
this.callback = callback;
this.lastValue = this.getValue();
if (this.element.tagName.toLowerCase() == 'form')
this.registerFormCallbacks();
else
this.registerCallback(this.element);
},
onElementEvent: function() {
var value = this.getValue();
if (this.lastValue != value) {
this.callback(this.element, value);
this.lastValue = value;
}
},
registerFormCallbacks: function() {
Form.getElements(this.element).each(this.registerCallback.bind(this));
},
registerCallback: function(element) {
if (element.type) {
switch (element.type.toLowerCase()) {
case 'checkbox':
case 'radio':
Event.observe(element, 'click', this.onElementEvent.bind(this));
break;
default:
Event.observe(element, 'change', this.onElementEvent.bind(this));
break;
}
}
}
}
Form.Element.EventObserver = Class.create();
Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
getValue: function() {
return Form.Element.getValue(this.element);
}
});
Form.EventObserver = Class.create();
Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
getValue: function() {
return Form.serialize(this.element);
}
});
if (!window.Event) {
var Event = new Object();
}
Object.extend(Event, {
KEY_BACKSPACE: 8,
KEY_TAB: 9,
KEY_RETURN: 13,
KEY_ESC: 27,
KEY_LEFT: 37,
KEY_UP: 38,
KEY_RIGHT: 39,
KEY_DOWN: 40,
KEY_DELETE: 46,
KEY_HOME: 36,
KEY_END: 35,
KEY_PAGEUP: 33,
KEY_PAGEDOWN: 34,
element: function(event) {
return event.target || event.srcElement;
},
isLeftClick: function(event) {
return (((event.which) && (event.which == 1)) ||
((event.button) && (event.button == 1)));
},
pointerX: function(event) {
return event.pageX || (event.clientX +
(document.documentElement.scrollLeft || document.body.scrollLeft));
},
pointerY: function(event) {
return event.pageY || (event.clientY +
(document.documentElement.scrollTop || document.body.scrollTop));
},
stop: function(event) {
if (event.preventDefault) {
event.preventDefault();
event.stopPropagation();
} else {
event.returnValue = false;
event.cancelBubble = true;
}
},
// find the first node with the given tagName, starting from the
// node the event was triggered on; traverses the DOM upwards
findElement: function(event, tagName) {
var element = Event.element(event);
while (element.parentNode && (!element.tagName ||
(element.tagName.toUpperCase() != tagName.toUpperCase())))
element = element.parentNode;
return element;
},
observers: false,
_observeAndCache: function(element, name, observer, useCapture) {
if (!this.observers) this.observers = [];
if (element.addEventListener) {
this.observers.push([element, name, observer, useCapture]);
element.addEventListener(name, observer, useCapture);
} else if (element.attachEvent) {
this.observers.push([element, name, observer, useCapture]);
element.attachEvent('on' + name, observer);
}
},
unloadCache: function() {
if (!Event.observers) return;
for (var i = 0, length = Event.observers.length; i < length; i++) {
Event.stopObserving.apply(this, Event.observers[i]);
Event.observers[i][0] = null;
}
Event.observers = false;
},
observe: function(element, name, observer, useCapture) {
element = $(element);
useCapture = useCapture || false;
if (name == 'keypress' &&
(Prototype.Browser.WebKit || element.attachEvent))
name = 'keydown';
Event._observeAndCache(element, name, observer, useCapture);
},
stopObserving: function(element, name, observer, useCapture) {
element = $(element);
useCapture = useCapture || false;
if (name == 'keypress' &&
(Prototype.Browser.WebKit || element.attachEvent))
name = 'keydown';
if (element.removeEventListener) {
element.removeEventListener(name, observer, useCapture);
} else if (element.detachEvent) {
try {
element.detachEvent('on' + name, observer);
} catch (e) {}
}
}
});
/* prevent memory leaks in IE */
if (Prototype.Browser.IE)
Event.observe(window, 'unload', Event.unloadCache, false);
var Position = {
// set to true if needed, warning: firefox performance problems
// NOT neeeded for page scrolling, only if draggable contained in
// scrollable elements
includeScrollOffsets: false,
// must be called before calling withinIncludingScrolloffset, every time the
// page is scrolled
prepare: function() {
this.deltaX = window.pageXOffset
|| document.documentElement.scrollLeft
|| document.body.scrollLeft
|| 0;
this.deltaY = window.pageYOffset
|| document.documentElement.scrollTop
|| document.body.scrollTop
|| 0;
},
realOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.scrollTop || 0;
valueL += element.scrollLeft || 0;
element = element.parentNode;
} while (element);
return [valueL, valueT];
},
cumulativeOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
element = element.offsetParent;
} while (element);
return [valueL, valueT];
},
positionedOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
element = element.offsetParent;
if (element) {
if(element.tagName=='BODY') break;
var p = Element.getStyle(element, 'position');
if (p == 'relative' || p == 'absolute') break;
}
} while (element);
return [valueL, valueT];
},
offsetParent: function(element) {
if (element.offsetParent) return element.offsetParent;
if (element == document.body) return element;
while ((element = element.parentNode) && element != document.body)
if (Element.getStyle(element, 'position') != 'static')
return element;
return document.body;
},
// caches x/y coordinate pair to use with overlap
within: function(element, x, y) {
if (this.includeScrollOffsets)
return this.withinIncludingScrolloffsets(element, x, y);
this.xcomp = x;
this.ycomp = y;
this.offset = this.cumulativeOffset(element);
return (y >= this.offset[1] &&
y < this.offset[1] + element.offsetHeight &&
x >= this.offset[0] &&
x < this.offset[0] + element.offsetWidth);
},
withinIncludingScrolloffsets: function(element, x, y) {
var offsetcache = this.realOffset(element);
this.xcomp = x + offsetcache[0] - this.deltaX;
this.ycomp = y + offsetcache[1] - this.deltaY;
this.offset = this.cumulativeOffset(element);
return (this.ycomp >= this.offset[1] &&
this.ycomp < this.offset[1] + element.offsetHeight &&
this.xcomp >= this.offset[0] &&
this.xcomp < this.offset[0] + element.offsetWidth);
},
// within must be called directly before
overlap: function(mode, element) {
if (!mode) return 0;
if (mode == 'vertical')
return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
element.offsetHeight;
if (mode == 'horizontal')
return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
element.offsetWidth;
},
page: function(forElement) {
var valueT = 0, valueL = 0;
var element = forElement;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
// Safari fix
if (element.offsetParent == document.body)
if (Element.getStyle(element,'position')=='absolute') break;
} while (element = element.offsetParent);
element = forElement;
do {
if (!window.opera || element.tagName=='BODY') {
valueT -= element.scrollTop || 0;
valueL -= element.scrollLeft || 0;
}
} while (element = element.parentNode);
return [valueL, valueT];
},
clone: function(source, target) {
var options = Object.extend({
setLeft: true,
setTop: true,
setWidth: true,
setHeight: true,
offsetTop: 0,
offsetLeft: 0
}, arguments[2] || {})
// find page position of source
source = $(source);
var p = Position.page(source);
// find coordinate system to use
target = $(target);
var delta = [0, 0];
var parent = null;
// delta [0,0] will do fine with position: fixed elements,
// position:absolute needs offsetParent deltas
if (Element.getStyle(target,'position') == 'absolute') {
parent = Position.offsetParent(target);
delta = Position.page(parent);
}
// correct by body offsets (fixes Safari)
if (parent == document.body) {
delta[0] -= document.body.offsetLeft;
delta[1] -= document.body.offsetTop;
}
// set position
if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
if(options.setWidth) target.style.width = source.offsetWidth + 'px';
if(options.setHeight) target.style.height = source.offsetHeight + 'px';
},
absolutize: function(element) {
element = $(element);
if (element.style.position == 'absolute') return;
Position.prepare();
var offsets = Position.positionedOffset(element);
var top = offsets[1];
var left = offsets[0];
var width = element.clientWidth;
var height = element.clientHeight;
element._originalLeft = left - parseFloat(element.style.left || 0);
element._originalTop = top - parseFloat(element.style.top || 0);
element._originalWidth = element.style.width;
element._originalHeight = element.style.height;
element.style.position = 'absolute';
element.style.top = top + 'px';
element.style.left = left + 'px';
element.style.width = width + 'px';
element.style.height = height + 'px';
},
relativize: function(element) {
element = $(element);
if (element.style.position == 'relative') return;
Position.prepare();
element.style.position = 'relative';
var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
element.style.top = top + 'px';
element.style.left = left + 'px';
element.style.height = element._originalHeight;
element.style.width = element._originalWidth;
}
}
// Safari returns margins on body which is incorrect if the child is absolutely
// positioned. For performance reasons, redefine Position.cumulativeOffset for
// KHTML/WebKit only.
if (Prototype.Browser.WebKit) {
Position.cumulativeOffset = function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
if (element.offsetParent == document.body)
if (Element.getStyle(element, 'position') == 'absolute') break;
element = element.offsetParent;
} while (element);
return [valueL, valueT];
}
}
Element.addMethods();
// script.aculo.us builder.js v1.7.1_beta1, Mon Mar 12 14:40:50 +0100 2007
// Copyright (c) 2005-2007 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/
var Builder = {
NODEMAP: {
AREA: 'map',
CAPTION: 'table',
COL: 'table',
COLGROUP: 'table',
LEGEND: 'fieldset',
OPTGROUP: 'select',
OPTION: 'select',
PARAM: 'object',
TBODY: 'table',
TD: 'table',
TFOOT: 'table',
TH: 'table',
THEAD: 'table',
TR: 'table'
},
// note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
// due to a Firefox bug
node: function(elementName) {
elementName = elementName.toUpperCase();
// try innerHTML approach
var parentTag = this.NODEMAP[elementName] || 'div';
var parentElement = document.createElement(parentTag);
try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
} catch(e) {}
var element = parentElement.firstChild || null;
// see if browser added wrapping tags
if(element && (element.tagName.toUpperCase() != elementName))
element = element.getElementsByTagName(elementName)[0];
// fallback to createElement approach
if(!element) element = document.createElement(elementName);
// abort if nothing could be created
if(!element) return;
// attributes (or text)
if(arguments[1])
if(this._isStringOrNumber(arguments[1]) ||
(arguments[1] instanceof Array) ||
arguments[1].tagName) {
this._children(element, arguments[1]);
} else {
var attrs = this._attributes(arguments[1]);
if(attrs.length) {
try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
parentElement.innerHTML = "<" +elementName + " " +
attrs + "></" + elementName + ">";
} catch(e) {}
element = parentElement.firstChild || null;
// workaround firefox 1.0.X bug
if(!element) {
element = document.createElement(elementName);
for(attr in arguments[1])
element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
}
if(element.tagName.toUpperCase() != elementName)
element = parentElement.getElementsByTagName(elementName)[0];
}
}
// text, or array of children
if(arguments[2])
this._children(element, arguments[2]);
return element;
},
_text: function(text) {
return document.createTextNode(text);
},
ATTR_MAP: {
'className': 'class',
'htmlFor': 'for'
},
_attributes: function(attributes) {
var attrs = [];
for(attribute in attributes)
attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) +
'="' + attributes[attribute].toString().escapeHTML() + '"');
return attrs.join(" ");
},
_children: function(element, children) {
if(children.tagName) {
element.appendChild(children);
return;
}
if(typeof children=='object') { // array can hold nodes and text
children.flatten().each( function(e) {
if(typeof e=='object')
element.appendChild(e)
else
if(Builder._isStringOrNumber(e))
element.appendChild(Builder._text(e));
});
} else
if(Builder._isStringOrNumber(children))
element.appendChild(Builder._text(children));
},
_isStringOrNumber: function(param) {
return(typeof param=='string' || typeof param=='number');
},
build: function(html) {
var element = this.node('div');
$(element).update(html.strip());
return element.down();
},
dump: function(scope) {
if(typeof scope != 'object' && typeof scope != 'function') scope = window; //global scope
var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " +
"BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " +
"FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+
"KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+
"PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+
"TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);
tags.each( function(tag){
scope[tag] = function() {
return Builder.node.apply(Builder, [tag].concat($A(arguments)));
}
});
}
}
var Prado =
{
Version: '3.1',
/**
* Returns browser information. Example
* <code>
* var browser = Prado.Browser();
* alert(browser.ie); //should ouput true if IE, false otherwise
* </code>
* @param ${parameter}
* @return ${return}
*/
Browser : function()
{
var info = { Version : "1.0" };
var is_major = parseInt( navigator.appVersion );
info.nver = is_major;
info.ver = navigator.appVersion;
info.agent = navigator.userAgent;
info.dom = document.getElementById ? 1 : 0;
info.opera = window.opera ? 1 : 0;
info.ie5 = ( info.ver.indexOf( "MSIE 5" ) > -1 && info.dom && !info.opera ) ? 1 : 0;
info.ie6 = ( info.ver.indexOf( "MSIE 6" ) > -1 && info.dom && !info.opera ) ? 1 : 0;
info.ie4 = ( document.all && !info.dom && !info.opera ) ? 1 : 0;
info.ie = info.ie4 || info.ie5 || info.ie6;
info.mac = info.agent.indexOf( "Mac" ) > -1;
info.ns6 = ( info.dom && parseInt( info.ver ) >= 5 ) ? 1 : 0;
info.ie3 = ( info.ver.indexOf( "MSIE" ) && ( is_major < 4 ) );
info.hotjava = ( info.agent.toLowerCase().indexOf( 'hotjava' ) != -1 ) ? 1 : 0;
info.ns4 = ( document.layers && !info.dom && !info.hotjava ) ? 1 : 0;
info.bw = ( info.ie6 || info.ie5 || info.ie4 || info.ns4 || info.ns6 || info.opera );
info.ver3 = ( info.hotjava || info.ie3 );
info.opera7 = ( ( info.agent.toLowerCase().indexOf( 'opera 7' ) > -1 ) || ( info.agent.toLowerCase().indexOf( 'opera/7' ) > -1 ) );
info.operaOld = info.opera && !info.opera7;
return info;
},
ImportCss : function(doc, css_file)
{
if (Prado.Browser().ie)
var styleSheet = doc.createStyleSheet(css_file);
else
{
var elm = doc.createElement("link");
elm.rel = "stylesheet";
elm.href = css_file;
if (headArr = doc.getElementsByTagName("head"))
headArr[0].appendChild(elm);
}
}
};
/**
* Similar to bindAsEventLister, but takes additional arguments.
*/
Function.prototype.bindEvent = function()
{
var __method = this, args = $A(arguments), object = args.shift();
return function(event)
{
return __method.apply(object, [event || window.event].concat(args));
}
}
/**
* Creates a new function by copying function definition from
* the <tt>base</tt> and optional <tt>definition</tt>.
* @param function a base function to copy from.
* @param array additional definition
* @param function return a new function with definition from both
* <tt>base</tt> and <tt>definition</tt>.
*/
Class.extend = function(base, definition)
{
var component = Class.create();
Object.extend(component.prototype, base.prototype);
if(definition)
Object.extend(component.prototype, definition);
return component;
}
/*
Base, version 1.0.2
Copyright 2006, Dean Edwards
License: http://creativecommons.org/licenses/LGPL/2.1/
*/
var Base = function() {
if (arguments.length) {
if (this == window) { // cast an object to this class
Base.prototype.extend.call(arguments[0], arguments.callee.prototype);
} else {
this.extend(arguments[0]);
}
}
};
Base.version = "1.0.2";
Base.prototype = {
extend: function(source, value) {
var extend = Base.prototype.extend;
if (arguments.length == 2) {
var ancestor = this[source];
// overriding?
if ((ancestor instanceof Function) && (value instanceof Function) &&
ancestor.valueOf() != value.valueOf() && /\bbase\b/.test(value)) {
var method = value;
// var _prototype = this.constructor.prototype;
// var fromPrototype = !Base._prototyping && _prototype[source] == ancestor;
value = function() {
var previous = this.base;
// this.base = fromPrototype ? _prototype[source] : ancestor;
this.base = ancestor;
var returnValue = method.apply(this, arguments);
this.base = previous;
return returnValue;
};
// point to the underlying method
value.valueOf = function() {
return method;
};
value.toString = function() {
return String(method);
};
}
return this[source] = value;
} else if (source) {
var _prototype = {toSource: null};
// do the "toString" and other methods manually
var _protected = ["toString", "valueOf"];
// if we are prototyping then include the constructor
if (Base._prototyping) _protected[2] = "constructor";
for (var i = 0; (name = _protected[i]); i++) {
if (source[name] != _prototype[name]) {
extend.call(this, name, source[name]);
}
}
// copy each of the source object's properties to this object
for (var name in source) {
if (!_prototype[name]) {
extend.call(this, name, source[name]);
}
}
}
return this;
},
base: function() {
// call this method from any other method to invoke that method's ancestor
}
};
Base.extend = function(_instance, _static) {
var extend = Base.prototype.extend;
if (!_instance) _instance = {};
// build the prototype
Base._prototyping = true;
var _prototype = new this;
extend.call(_prototype, _instance);
var constructor = _prototype.constructor;
_prototype.constructor = this;
delete Base._prototyping;
// create the wrapper for the constructor function
var klass = function() {
if (!Base._prototyping) constructor.apply(this, arguments);
this.constructor = klass;
};
klass.prototype = _prototype;
// build the class interface
klass.extend = this.extend;
klass.implement = this.implement;
klass.toString = function() {
return String(constructor);
};
extend.call(klass, _static);
// single instance
var object = constructor ? klass : _prototype;
// class initialisation
if (object.init instanceof Function) object.init();
return object;
};
Base.implement = function(_interface) {
if (_interface instanceof Function) _interface = _interface.prototype;
this.prototype.extend(_interface);
};
/**
* Performs a post-back using javascript
*
*/
Prado.PostBack = function(event,options)
{
var form = $(options['FormID']);
var canSubmit = true;
if(options['CausesValidation'] && typeof(Prado.Validation) != "undefined")
{
if(!Prado.Validation.validate(options['FormID'], options['ValidationGroup'], $(options['ID'])))
return Event.stop(event);
}
if(options['PostBackUrl'] && options['PostBackUrl'].length > 0)
form.action = options['PostBackUrl'];
if(options['TrackFocus'])
{
var lastFocus = $('PRADO_LASTFOCUS');
if(lastFocus)
{
var active = document.activeElement; //where did this come from
if(active)
lastFocus.value = active.id;
else
lastFocus.value = options['EventTarget'];
}
}
$('PRADO_POSTBACK_TARGET').value = options['EventTarget'];
$('PRADO_POSTBACK_PARAMETER').value = options['EventParameter'];
/**
* Since google toolbar prevents browser default action,
* we will always disable default client-side browser action
*/
/*if(options['StopEvent']) */
Event.stop(event);
Event.fireEvent(form,"submit");
}
Prado.Element =
{
/**
* Set the value of a particular element.
* @param string element id
* @param string new element value.
*/
setValue : function(element, value)
{
var el = $(element);
if(el && typeof(el.value) != "undefined")
el.value = value;
},
select : function(element, method, value, total)
{
var el = $(element);
if(!el) return;
var selection = Prado.Element.Selection;
if(typeof(selection[method]) == "function")
{
control = selection.isSelectable(el) ? [el] : selection.getListElements(element,total);
selection[method](control, value);
}
},
click : function(element)
{
var el = $(element);
if(el)
Event.fireEvent(el,'click');
},
setAttribute : function(element, attribute, value)
{
var el = $(element);
if(!el) return;
if((attribute == "disabled" || attribute == "multiple") && value==false)
el.removeAttribute(attribute);
else if(attribute.match(/^on/i)) //event methods
{
try
{
eval("(func = function(event){"+value+"})");
el[attribute] = func;
}
catch(e)
{
throw "Error in evaluating '"+value+"' for attribute "+attribute+" for element "+element.id;
}
}
else
el.setAttribute(attribute, value);
},
setOptions : function(element, options)
{
var el = $(element);
if(!el) return;
if(el && el.tagName.toLowerCase() == "select")
{
el.options.length = options.length;
for(var i = 0; i<options.length; i++)
el.options[i] = new Option(options[i][0],options[i][1]);
}
},
/**
* A delayed focus on a particular element
* @param {element} element to apply focus()
*/
focus : function(element)
{
var obj = $(element);
if(typeof(obj) != "undefined" && typeof(obj.focus) != "undefined")
setTimeout(function(){ obj.focus(); }, 100);
return false;
},
replace : function(element, method, content, boundary)
{
if(boundary)
{
result = Prado.Element.extractContent(this.transport.responseText, boundary);
if(result != null)
content = result;
}
if(typeof(element) == "string")
{
if($(element))
method.toFunction().apply(this,[element,""+content]);
}
else
{
method.toFunction().apply(this,[""+content]);
}
},
extractContent : function(text, boundary)
{
var f = RegExp('(<!--'+boundary+'-->)([\\s\\S\\w\\W]*)(<!--//'+boundary+'-->)',"m");
var result = text.match(f);
if(result && result.length >= 2)
return result[2];
else
return null;
},
evaluateScript : function(content)
{
content.evalScripts();
}
}
Prado.Element.Selection =
{
isSelectable : function(el)
{
if(el && el.type)
{
switch(el.type.toLowerCase())
{
case 'checkbox':
case 'radio':
case 'select':
case 'select-multiple':
case 'select-one':
return true;
}
}
return false;
},
inputValue : function(el, value)
{
switch(el.type.toLowerCase())
{
case 'checkbox':
case 'radio':
return el.checked = value;
}
},
selectValue : function(elements, value)
{
elements.each(function(el)
{
$A(el.options).each(function(option)
{
if(typeof(value) == "boolean")
options.selected = value;
else if(option.value == value)
option.selected = true;
});
})
},
selectValues : function(elements, values)
{
selection = this;
values.each(function(value)
{
selection.selectValue(elements,value);
})
},
selectIndex : function(elements, index)
{
elements.each(function(el)
{
if(el.type.toLowerCase() == 'select-one')
el.selectedIndex = index;
else
{
for(var i = 0; i<el.length; i++)
{
if(i == index)
el.options[i].selected = true;
}
}
})
},
selectAll : function(elements)
{
elements.each(function(el)
{
if(el.type.toLowerCase() != 'select-one')
{
$A(el.options).each(function(option)
{
option.selected = true;
})
}
})
},
selectInvert : function(elements)
{
elements.each(function(el)
{
if(el.type.toLowerCase() != 'select-one')
{
$A(el.options).each(function(option)
{
option.selected = !options.selected;
})
}
})
},
selectIndices : function(elements, indices)
{
selection = this;
indices.each(function(index)
{
selection.selectIndex(elements,index);
})
},
selectClear : function(elements)
{
elements.each(function(el)
{
el.selectedIndex = -1;
})
},
getListElements : function(element, total)
{
elements = new Array();
for(i = 0; i < total; i++)
{
el = $(element+"_c"+i);
if(el)
elements.push(el);
}
return elements;
},
checkValue : function(elements, value)
{
elements.each(function(el)
{
if(typeof(value) == "boolean")
el.checked = value;
else if(el.value == value)
el.checked = true;
});
},
checkValues : function(elements, values)
{
selection = this;
values.each(function(value)
{
selection.checkValue(elements, value);
})
},
checkIndex : function(elements, index)
{
for(var i = 0; i<elements.length; i++)
{
if(i == index)
elements[i].checked = true;
}
},
checkIndices : function(elements, indices)
{
selection = this;
indices.each(function(index)
{
selection.checkIndex(elements, index);
})
},
checkClear : function(elements)
{
elements.each(function(el)
{
el.checked = false;
});
},
checkAll : function(elements)
{
elements.each(function(el)
{
el.checked = true;
})
},
checkInvert : function(elements)
{
elements.each(function(el)
{
el.checked != el.checked;
})
}
};
Prado.Element.Insert =
{
append: function(element, content)
{
new Insertion.Bottom(element, content);
},
prepend: function(element, content)
{
new Insertion.Top(element, content);
},
after: function(element, content)
{
new Insertion.After(element, content);
},
before: function(element, content)
{
new Insertion.Before(element, content);
}
}
/**
* Export scripaculous builder utilities as window[functions]
*/
Object.extend(Builder,
{
exportTags:function()
{
var tags=["BUTTON","TT","PRE","H1","H2","H3","BR","CANVAS","HR","LABEL","TEXTAREA","FORM","STRONG","SELECT","OPTION","OPTGROUP","LEGEND","FIELDSET","P","UL","OL","LI","TD","TR","THEAD","TBODY","TFOOT","TABLE","TH","INPUT","SPAN","A","DIV","IMG", "CAPTION"];
tags.each(function(tag)
{
window[tag]=function()
{
var args=$A(arguments);
if(args.length==0)
return Builder.node(tag,null);
if(args.length==1)
return Builder.node(tag,args[0]);
if(args.length>1)
return Builder.node(tag,args.shift(),args);
};
});
}
});
Builder.exportTags();
/**
* @class String extensions
*/
Object.extend(String.prototype, {
/**
* @param {String} "left" to pad the string on the left, "right" to pad right.
* @param {Number} minimum string length.
* @param {String} character(s) to pad
* @return {String} padded character(s) on the left or right to satisfy minimum string length
*/
pad : function(side, len, chr) {
if (!chr) chr = ' ';
var s = this;
var left = side.toLowerCase()=='left';
while (s.length<len) s = left? chr + s : s + chr;
return s;
},
/**
* @param {Number} minimum string length.
* @param {String} character(s) to pad
* @return {String} padded character(s) on the left to satisfy minimum string length
*/
padLeft : function(len, chr) {
return this.pad('left',len,chr);
},
/**
* @param {Number} minimum string length.
* @param {String} character(s) to pad
* @return {String} padded character(s) on the right to satisfy minimum string length
*/
padRight : function(len, chr) {
return this.pad('right',len,chr);
},
/**
* @param {Number} minimum string length.
* @return {String} append zeros to the left to satisfy minimum string length.
*/
zerofill : function(len) {
return this.padLeft(len,'0');
},
/**
* @return {String} removed white spaces from both ends.
*/
trim : function() {
return this.replace(/^\s+|\s+$/g,'');
},
/**
* @return {String} removed white spaces from the left end.
*/
trimLeft : function() {
return this.replace(/^\s+/,'');
},
/**
* @return {String} removed white spaces from the right end.
*/
trimRight : function() {
return this.replace(/\s+$/,'');
},
/**
* Convert period separated function names into a function reference.
* e.g. "Prado.AJAX.Callback.Action.setValue".toFunction() will return
* the actual function Prado.AJAX.Callback.Action.setValue()
* @return {Function} the corresponding function represented by the string.
*/
toFunction : function()
{
var commands = this.split(/\./);
var command = window;
commands.each(function(action)
{
if(command[new String(action)])
command=command[new String(action)];
});
if(typeof(command) == "function")
return command;
else
{
if(typeof Logger != "undefined")
Logger.error("Missing function", this);
throw new Error ("Missing function '"+this+"'");
}
},
/**
* Convert a string into integer, returns null if not integer.
* @return {Number} null if string does not represent an integer.
*/
toInteger : function()
{
var exp = /^\s*[-\+]?\d+\s*$/;
if (this.match(exp) == null)
return null;
var num = parseInt(this, 10);
return (isNaN(num) ? null : num);
},
/**
* Convert a string into a double/float value. <b>Internationalization
* is not supported</b>
* @param {String} the decimal character
* @return {Double} null if string does not represent a float value
*/
toDouble : function(decimalchar)
{
if(this.length <= 0) return null;
decimalchar = decimalchar || ".";
var exp = new RegExp("^\\s*([-\\+])?(\\d+)?(\\" + decimalchar + "(\\d+))?\\s*$");
var m = this.match(exp);
if (m == null)
return null;
m[1] = m[1] || "";
m[2] = m[2] || "0";
m[4] = m[4] || "0";
var cleanInput = m[1] + (m[2].length>0 ? m[2] : "0") + "." + m[4];
var num = parseFloat(cleanInput);
return (isNaN(num) ? null : num);
},
/**
* Convert strings that represent a currency value (e.g. a float with grouping
* characters) to float. E.g. "10,000.50" will become "10000.50". The number
* of dicimal digits, grouping and decimal characters can be specified.
* <i>The currency input format is <b>very</b> strict, null will be returned if
* the pattern does not match</i>.
* @param {String} the grouping character, default is ","
* @param {Number} number of decimal digits
* @param {String} the decimal character, default is "."
* @type {Double} the currency value as float.
*/
toCurrency : function(groupchar, digits, decimalchar)
{
groupchar = groupchar || ",";
decimalchar = decimalchar || ".";
digits = typeof(digits) == "undefined" ? 2 : digits;
var exp = new RegExp("^\\s*([-\\+])?(((\\d+)\\" + groupchar + ")*)(\\d+)"
+ ((digits > 0) ? "(\\" + decimalchar + "(\\d{1," + digits + "}))?" : "")
+ "\\s*$");
var m = this.match(exp);
if (m == null)
return null;
var intermed = m[2] + m[5] ;
var cleanInput = m[1] + intermed.replace(
new RegExp("(\\" + groupchar + ")", "g"), "")
+ ((digits > 0) ? "." + m[7] : "");
var num = parseFloat(cleanInput);
return (isNaN(num) ? null : num);
},
/**
* Converts the string to a date by finding values that matches the
* date format pattern.
* @param string date format pattern, e.g. MM-dd-yyyy
* @return {Date} the date extracted from the string
*/
toDate : function(format)
{
return Date.SimpleParse(this, format);
}
});
/**
* @class Event extensions.
*/
Object.extend(Event,
{
/**
* Register a function to be executed when the page is loaded.
* Note that the page is only loaded if all resources (e.g. images)
* are loaded.
*
* Example: Show an alert box with message "Page Loaded!" when the
* page finished loading.
* <code>
* Event.OnLoad(function(){ alert("Page Loaded!"); });
* </code>
*
* @param {Function} function to execute when page is loaded.
*/
OnLoad : function (fn)
{
// opera onload is in document, not window
var w = document.addEventListener &&
!window.addEventListener ? document : window;
Event.observe(w,'load',fn);
},
/**
* @param {Event} a keyboard event
* @return {Number} the Unicode character code generated by the key
* that was struck.
*/
keyCode : function(e)
{
return e.keyCode != null ? e.keyCode : e.charCode
},
/**
* @param {String} event type or event name.
* @return {Boolean} true if event type is of HTMLEvent, false
* otherwise
*/
isHTMLEvent : function(type)
{
var events = ['abort', 'blur', 'change', 'error', 'focus',
'load', 'reset', 'resize', 'scroll', 'select',
'submit', 'unload'];
return events.include(type);
},
/**
* @param {String} event type or event name
* @return {Boolean} true if event type is of MouseEvent,
* false otherwise
*/
isMouseEvent : function(type)
{
var events = ['click', 'mousedown', 'mousemove', 'mouseout',
'mouseover', 'mouseup'];
return events.include(type);
},
/**
* Dispatch the DOM event of a given <tt>type</tt> on a DOM
* <tt>element</tt>. Only HTMLEvent and MouseEvent can be
* dispatched, keyboard events or UIEvent can not be dispatch
* via javascript consistently.
* For the "submit" event the submit() method is called.
* @param {Object} element id string or a DOM element.
* @param {String} event type to dispatch.
*/
fireEvent : function(element,type)
{
element = $(element);
if(type == "submit")
return element.submit();
if(document.createEvent)
{
if(Event.isHTMLEvent(type))
{
var event = document.createEvent('HTMLEvents');
event.initEvent(type, true, true);
}
else if(Event.isMouseEvent(type))
{
var event = document.createEvent('MouseEvents');
if (event.initMouseEvent)
{
event.initMouseEvent(type,true,true,
document.defaultView, 1, 0, 0, 0, 0, false,
false, false, false, 0, null);
}
else
{
// Safari
// TODO we should be initialising other mouse-event related attributes here
event.initEvent(type, true, true);
}
}
element.dispatchEvent(event);
}
else if(document.createEventObject)
{
var evObj = document.createEventObject();
element.fireEvent('on'+type, evObj);
}
else if(typeof(element['on'+type]) == "function")
element['on'+type]();
}
});
Object.extend(Date.prototype,
{
SimpleFormat: function(format, data)
{
data = data || {};
var bits = new Array();
bits['d'] = this.getDate();
bits['dd'] = String(this.getDate()).zerofill(2);
bits['M'] = this.getMonth()+1;
bits['MM'] = String(this.getMonth()+1).zerofill(2);
if(data.AbbreviatedMonthNames)
bits['MMM'] = data.AbbreviatedMonthNames[this.getMonth()];
if(data.MonthNames)
bits['MMMM'] = data.MonthNames[this.getMonth()];
var yearStr = "" + this.getFullYear();
yearStr = (yearStr.length == 2) ? '19' + yearStr: yearStr;
bits['yyyy'] = yearStr;
bits['yy'] = bits['yyyy'].toString().substr(2,2);
// do some funky regexs to replace the format string
// with the real values
var frm = new String(format);
for (var sect in bits)
{
var reg = new RegExp("\\b"+sect+"\\b" ,"g");
frm = frm.replace(reg, bits[sect]);
}
return frm;
},
toISODate : function()
{
var y = this.getFullYear();
var m = String(this.getMonth() + 1).zerofill(2);
var d = String(this.getDate()).zerofill(2);
return String(y) + String(m) + String(d);
}
});
Object.extend(Date,
{
SimpleParse: function(value, format)
{
val=String(value);
format=String(format);
if(val.length <= 0) return null;
if(format.length <= 0) return new Date(value);
var isInteger = function (val)
{
var digits="1234567890";
for (var i=0; i < val.length; i++)
{
if (digits.indexOf(val.charAt(i))==-1) { return false; }
}
return true;
};
var getInt = function(str,i,minlength,maxlength)
{
for (var x=maxlength; x>=minlength; x--)
{
var token=str.substring(i,i+x);
if (token.length < minlength) { return null; }
if (isInteger(token)) { return token; }
}
return null;
};
var i_val=0;
var i_format=0;
var c="";
var token="";
var token2="";
var x,y;
var now=new Date();
var year=now.getFullYear();
var month=now.getMonth()+1;
var date=1;
while (i_format < format.length)
{
// Get next token from format string
c=format.charAt(i_format);
token="";
while ((format.charAt(i_format)==c) && (i_format < format.length))
{
token += format.charAt(i_format++);
}
// Extract contents of value based on format token
if (token=="yyyy" || token=="yy" || token=="y")
{
if (token=="yyyy") { x=4;y=4; }
if (token=="yy") { x=2;y=2; }
if (token=="y") { x=2;y=4; }
year=getInt(val,i_val,x,y);
if (year==null) { return null; }
i_val += year.length;
if (year.length==2)
{
if (year > 70) { year=1900+(year-0); }
else { year=2000+(year-0); }
}
}
else if (token=="MM"||token=="M")
{
month=getInt(val,i_val,token.length,2);
if(month==null||(month<1)||(month>12)){return null;}
i_val+=month.length;
}
else if (token=="dd"||token=="d")
{
date=getInt(val,i_val,token.length,2);
if(date==null||(date<1)||(date>31)){return null;}
i_val+=date.length;
}
else
{
if (val.substring(i_val,i_val+token.length)!=token) {return null;}
else {i_val+=token.length;}
}
}
// If there are any trailing characters left in the value, it doesn't match
if (i_val != val.length) { return null; }
// Is date valid for month?
if (month==2)
{
// Check for leap year
if ( ( (year%4==0)&&(year%100 != 0) ) || (year%400==0) ) { // leap year
if (date > 29){ return null; }
}
else { if (date > 28) { return null; } }
}
if ((month==4)||(month==6)||(month==9)||(month==11))
{
if (date > 30) { return null; }
}
var newdate=new Date(year,month-1,date, 0, 0, 0);
return newdate;
}
});
Prado.WebUI = Class.create();
Prado.WebUI.PostBackControl = Class.create();
Prado.WebUI.PostBackControl.prototype =
{
initialize : function(options)
{
this._elementOnClick = null, //capture the element's onclick function
this.element = $(options.ID);
if(this.element)
{
if(this.onInit)
this.onInit(options);
}
},
onInit : function(options)
{
if(typeof(this.element.onclick)=="function")
{
this._elementOnClick = this.element.onclick;
this.element.onclick = null;
}
Event.observe(this.element, "click", this.elementClicked.bindEvent(this,options));
},
elementClicked : function(event, options)
{
var src = Event.element(event);
var doPostBack = true;
var onclicked = null;
if(this._elementOnClick)
{
var onclicked = this._elementOnClick(event);
if(typeof(onclicked) == "boolean")
doPostBack = onclicked;
}
if(doPostBack)
this.onPostBack(event,options);
if(typeof(onclicked) == "boolean" && !onclicked)
Event.stop(event);
},
onPostBack : function(event, options)
{
Prado.PostBack(event,options);
}
};
Prado.WebUI.TButton = Class.extend(Prado.WebUI.PostBackControl);
Prado.WebUI.TLinkButton = Class.extend(Prado.WebUI.PostBackControl);
Prado.WebUI.TCheckBox = Class.extend(Prado.WebUI.PostBackControl);
Prado.WebUI.TBulletedList = Class.extend(Prado.WebUI.PostBackControl);
Prado.WebUI.TImageMap = Class.extend(Prado.WebUI.PostBackControl);
/**
* TImageButton client-side behaviour. With validation, Firefox needs
* to capture the x,y point of the clicked image in hidden form fields.
*/
Prado.WebUI.TImageButton = Class.extend(Prado.WebUI.PostBackControl);
Object.extend(Prado.WebUI.TImageButton.prototype,
{
/**
* Override parent onPostBack function, tried to add hidden forms
* inputs to capture x,y clicked point.
*/
onPostBack : function(event, options)
{
if(!this.hasXYInput)
{
this.addXYInput(event,options);
this.hasXYInput = true;
}
Prado.PostBack(event, options);
},
/**
* Add hidden inputs to capture the x,y point clicked on the image.
* @param event DOM click event.
* @param array image button options.
*/
addXYInput : function(event,options)
{
imagePos = Position.cumulativeOffset(this.element);
clickedPos = [event.clientX, event.clientY];
x = clickedPos[0]-imagePos[0]+1;
y = clickedPos[1]-imagePos[1]+1;
x = x < 0 ? 0 : x;
y = y < 0 ? 0 : y;
id = options['EventTarget'];
x_input = $(id+"_x");
y_input = $(id+"_y");
if(x_input)
{
x_input.value = x;
}
else
{
x_input = INPUT({type:'hidden',name:id+'_x','id':id+'_x',value:x});
this.element.parentNode.appendChild(x_input);
}
if(y_input)
{
y_input.value = y;
}
else
{
y_input = INPUT({type:'hidden',name:id+'_y','id':id+'_y',value:y});
this.element.parentNode.appendChild(y_input);
}
}
});
/**
* Radio button, only initialize if not already checked.
*/
Prado.WebUI.TRadioButton = Class.extend(Prado.WebUI.PostBackControl);
Prado.WebUI.TRadioButton.prototype.onRadioButtonInitialize = Prado.WebUI.TRadioButton.prototype.initialize;
Object.extend(Prado.WebUI.TRadioButton.prototype,
{
initialize : function(options)
{
this.element = $(options['ID']);
if(this.element)
{
if(!this.element.checked)
this.onRadioButtonInitialize(options);
}
}
});
Prado.WebUI.TTextBox = Class.extend(Prado.WebUI.PostBackControl,
{
onInit : function(options)
{
this.options=options;
if(options['TextMode'] != 'MultiLine')
Event.observe(this.element, "keydown", this.handleReturnKey.bind(this));
if(this.options['AutoPostBack']==true)
Event.observe(this.element, "change", Prado.PostBack.bindEvent(this,options));
},
handleReturnKey : function(e)
{
if(Event.keyCode(e) == Event.KEY_RETURN)
{
var target = Event.element(e);
if(target)
{
if(this.options['AutoPostBack']==true)
{
Event.fireEvent(target, "change");
Event.stop(e);
}
else
{
if(this.options['CausesValidation'] && typeof(Prado.Validation) != "undefined")
{
if(!Prado.Validation.validate(this.options['FormID'], this.options['ValidationGroup'], $(this.options['ID'])))
return Event.stop(e);
}
}
}
}
}
});
Prado.WebUI.TListControl = Class.extend(Prado.WebUI.PostBackControl,
{
onInit : function(options)
{
Event.observe(this.element, "change", Prado.PostBack.bindEvent(this,options));
}
});
Prado.WebUI.TListBox = Class.extend(Prado.WebUI.TListControl);
Prado.WebUI.TDropDownList = Class.extend(Prado.WebUI.TListControl);
Prado.WebUI.DefaultButton = Class.create();
Prado.WebUI.DefaultButton.prototype =
{
initialize : function(options)
{
this.options = options;
this._event = this.triggerEvent.bindEvent(this);
Event.observe(options['Panel'], 'keydown', this._event);
},
triggerEvent : function(ev, target)
{
var enterPressed = Event.keyCode(ev) == Event.KEY_RETURN;
var isTextArea = Event.element(ev).tagName.toLowerCase() == "textarea";
if(enterPressed && !isTextArea)
{
var defaultButton = $(this.options['Target']);
if(defaultButton)
{
this.triggered = true;
$('PRADO_POSTBACK_TARGET').value = this.options.EventTarget;
Event.fireEvent(defaultButton, this.options['Event']);
Event.stop(ev);
}
}
}
};
Prado.WebUI.TTextHighlighter=Class.create();
Prado.WebUI.TTextHighlighter.prototype=
{
initialize:function(id)
{
if(!window.clipboardData) return;
var options =
{
href : 'javascript:;/'+'/copy code to clipboard',
onclick : 'Prado.WebUI.TTextHighlighter.copy(this)',
onmouseover : 'Prado.WebUI.TTextHighlighter.hover(this)',
onmouseout : 'Prado.WebUI.TTextHighlighter.out(this)'
}
var div = DIV({className:'copycode'}, A(options, 'Copy Code'));
document.write(DIV(null,div).innerHTML);
}
};
Object.extend(Prado.WebUI.TTextHighlighter,
{
copy : function(obj)
{
var parent = obj.parentNode.parentNode.parentNode;
var text = '';
for(var i = 0; i < parent.childNodes.length; i++)
{
var node = parent.childNodes[i];
if(node.innerText)
text += node.innerText == 'Copy Code' ? '' : node.innerText;
else
text += node.nodeValue;
}
if(text.length > 0)
window.clipboardData.setData("Text", text);
},
hover : function(obj)
{
obj.parentNode.className = "copycode copycode_hover";
},
out : function(obj)
{
obj.parentNode.className = "copycode";
}
});
Prado.WebUI.TCheckBoxList = Base.extend(
{
constructor : function(options)
{
for(var i = 0; i<options.ItemCount; i++)
{
var checkBoxOptions = Object.extend(
{
ID : options.ListID+"_c"+i,
EventTarget : options.ListName+"$c"+i
}, options);
new Prado.WebUI.TCheckBox(checkBoxOptions);
}
}
});
Prado.WebUI.TRadioButtonList = Base.extend(
{
constructor : function(options)
{
for(var i = 0; i<options.ItemCount; i++)
{
var radioButtonOptions = Object.extend(
{
ID : options.ListID+"_c"+i,
EventTarget : options.ListName+"$c"+i
}, options);
new Prado.WebUI.TRadioButton(radioButtonOptions);
}
}
});
Prado.WebUI.TRatingList = Class.create();
Prado.WebUI.TRatingList.prototype =
{
selectedIndex : -1,
initialize : function(options)
{
this.options = options;
this.element = $(options['ID']);
Element.addClassName(this.element,options.cssClass);
this.radios = document.getElementsByName(options.field);
for(var i = 0; i<this.radios.length; i++)
{
Event.observe(this.radios[i].parentNode, "mouseover", this.hover.bindEvent(this,i));
Event.observe(this.radios[i].parentNode, "mouseout", this.recover.bindEvent(this,i));
Event.observe(this.radios[i].parentNode, "click", this.click.bindEvent(this, i));
}
this.caption = CAPTION();
this.element.appendChild(this.caption);
this.selectedIndex = options.selectedIndex;
this.setRating(this.selectedIndex);
},
hover : function(ev,index)
{
for(var i = 0; i<this.radios.length; i++)
this.radios[i].parentNode.className = (i<=index) ? "rating_hover" : "";
this.setCaption(index);
},
recover : function(ev,index)
{
for(var i = 0; i<=index; i++)
Element.removeClassName(this.radios[i].parentNode, "rating_hover");
this.setRating(this.selectedIndex);
},
click : function(ev, index)
{
for(var i = 0; i<this.radios.length; i++)
this.radios[i].checked = (i == index);
this.selectedIndex = index;
this.setRating(index);
if(isFunction(this.options.onChange))
this.options.onChange(this,index);
},
setRating: function(index)
{
for(var i = 0; i<=index; i++)
this.radios[i].parentNode.className = "rating_selected";
this.setCaption(index);
},
setCaption : function(index)
{
this.caption.innerHTML = index > -1 ?
this.radios[index].value : this.options.caption;
}
}