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/* Prototype JavaScript framework, version 1.6.0.2 |
* (c) 2005-2008 Sam Stephenson |
* |
* Prototype is freely distributable under the terms of an MIT-style license. |
* For details, see the Prototype web site: http://www.prototypejs.org/ |
* |
*--------------------------------------------------------------------------*/ |
|
var Prototype = { |
Version: '1.6.0.2', |
|
Browser: { |
IE: !!(window.attachEvent && !window.opera), |
Opera: !!window.opera, |
WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1, |
Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1, |
MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/) |
}, |
|
BrowserFeatures: { |
XPath: !!document.evaluate, |
ElementExtensions: !!window.HTMLElement, |
SpecificElementExtensions: |
document.createElement('div').__proto__ && |
document.createElement('div').__proto__ !== |
document.createElement('form').__proto__ |
}, |
|
ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>', |
JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, |
|
emptyFunction: function() { }, |
K: function(x) { return x } |
}; |
|
if (Prototype.Browser.MobileSafari) |
Prototype.BrowserFeatures.SpecificElementExtensions = false; |
|
|
/* Based on Alex Arnell's inheritance implementation. */ |
var Class = { |
create: function() { |
var parent = null, properties = $A(arguments); |
if (Object.isFunction(properties[0])) |
parent = properties.shift(); |
|
function klass() { |
this.initialize.apply(this, arguments); |
} |
|
Object.extend(klass, Class.Methods); |
klass.superclass = parent; |
klass.subclasses = []; |
|
if (parent) { |
var subclass = function() { }; |
subclass.prototype = parent.prototype; |
klass.prototype = new subclass; |
parent.subclasses.push(klass); |
} |
|
for (var i = 0; i < properties.length; i++) |
klass.addMethods(properties[i]); |
|
if (!klass.prototype.initialize) |
klass.prototype.initialize = Prototype.emptyFunction; |
|
klass.prototype.constructor = klass; |
|
return klass; |
} |
}; |
|
Class.Methods = { |
addMethods: function(source) { |
var ancestor = this.superclass && this.superclass.prototype; |
var properties = Object.keys(source); |
|
if (!Object.keys({ toString: true }).length) |
properties.push("toString", "valueOf"); |
|
for (var i = 0, length = properties.length; i < length; i++) { |
var property = properties[i], value = source[property]; |
if (ancestor && Object.isFunction(value) && |
value.argumentNames().first() == "$super") { |
var method = value, value = Object.extend((function(m) { |
return function() { return ancestor[m].apply(this, arguments) }; |
})(property).wrap(method), { |
valueOf: function() { return method }, |
toString: function() { return method.toString() } |
}); |
} |
this.prototype[property] = value; |
} |
|
return this; |
} |
}; |
|
var Abstract = { }; |
|
Object.extend = function(destination, source) { |
for (var property in source) |
destination[property] = source[property]; |
return destination; |
}; |
|
Object.extend(Object, { |
inspect: function(object) { |
try { |
if (Object.isUndefined(object)) return 'undefined'; |
if (object === null) return 'null'; |
return object.inspect ? object.inspect() : String(object); |
} catch (e) { |
if (e instanceof RangeError) return '...'; |
throw e; |
} |
}, |
|
toJSON: function(object) { |
var type = typeof object; |
switch (type) { |
case 'undefined': |
case 'function': |
case 'unknown': return; |
case 'boolean': return object.toString(); |
} |
|
if (object === null) return 'null'; |
if (object.toJSON) return object.toJSON(); |
if (Object.isElement(object)) return; |
|
var results = []; |
for (var property in object) { |
var value = Object.toJSON(object[property]); |
if (!Object.isUndefined(value)) |
results.push(property.toJSON() + ': ' + value); |
} |
|
return '{' + results.join(', ') + '}'; |
}, |
|
toQueryString: function(object) { |
return $H(object).toQueryString(); |
}, |
|
toHTML: function(object) { |
return object && object.toHTML ? object.toHTML() : String.interpret(object); |
}, |
|
keys: function(object) { |
var keys = []; |
for (var property in object) |
keys.push(property); |
return keys; |
}, |
|
values: function(object) { |
var values = []; |
for (var property in object) |
values.push(object[property]); |
return values; |
}, |
|
clone: function(object) { |
return Object.extend({ }, object); |
}, |
|
isElement: function(object) { |
return object && object.nodeType == 1; |
}, |
|
isArray: function(object) { |
return object != null && typeof object == "object" && |
'splice' in object && 'join' in object; |
}, |
|
isHash: function(object) { |
return object instanceof Hash; |
}, |
|
isFunction: function(object) { |
return typeof object == "function"; |
}, |
|
isString: function(object) { |
return typeof object == "string"; |
}, |
|
isNumber: function(object) { |
return typeof object == "number"; |
}, |
|
isUndefined: function(object) { |
return typeof object == "undefined"; |
} |
}); |
|
Object.extend(Function.prototype, { |
argumentNames: function() { |
var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip"); |
return names.length == 1 && !names[0] ? [] : names; |
}, |
|
bind: function() { |
if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this; |
var __method = this, args = $A(arguments), object = args.shift(); |
return function() { |
return __method.apply(object, args.concat($A(arguments))); |
} |
}, |
|
bindAsEventListener: function() { |
var __method = this, args = $A(arguments), object = args.shift(); |
return function(event) { |
return __method.apply(object, [event || window.event].concat(args)); |
} |
}, |
|
curry: function() { |
if (!arguments.length) return this; |
var __method = this, args = $A(arguments); |
return function() { |
return __method.apply(this, args.concat($A(arguments))); |
} |
}, |
|
delay: function() { |
var __method = this, args = $A(arguments), timeout = args.shift() * 1000; |
return window.setTimeout(function() { |
return __method.apply(__method, args); |
}, timeout); |
}, |
|
wrap: function(wrapper) { |
var __method = this; |
return function() { |
return wrapper.apply(this, [__method.bind(this)].concat($A(arguments))); |
} |
}, |
|
methodize: function() { |
if (this._methodized) return this._methodized; |
var __method = this; |
return this._methodized = function() { |
return __method.apply(null, [this].concat($A(arguments))); |
}; |
} |
}); |
|
Function.prototype.defer = Function.prototype.delay.curry(0.01); |
|
Date.prototype.toJSON = function() { |
return '"' + this.getUTCFullYear() + '-' + |
(this.getUTCMonth() + 1).toPaddedString(2) + '-' + |
this.getUTCDate().toPaddedString(2) + 'T' + |
this.getUTCHours().toPaddedString(2) + ':' + |
this.getUTCMinutes().toPaddedString(2) + ':' + |
this.getUTCSeconds().toPaddedString(2) + 'Z"'; |
}; |
|
var Try = { |
these: function() { |
var returnValue; |
|
for (var i = 0, length = arguments.length; i < length; i++) { |
var lambda = arguments[i]; |
try { |
returnValue = lambda(); |
break; |
} catch (e) { } |
} |
|
return returnValue; |
} |
}; |
|
RegExp.prototype.match = RegExp.prototype.test; |
|
RegExp.escape = function(str) { |
return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1'); |
}; |
|
/*--------------------------------------------------------------------------*/ |
|
var PeriodicalExecuter = Class.create({ |
initialize: function(callback, frequency) { |
this.callback = callback; |
this.frequency = frequency; |
this.currentlyExecuting = false; |
|
this.registerCallback(); |
}, |
|
registerCallback: function() { |
this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
}, |
|
execute: function() { |
this.callback(this); |
}, |
|
stop: function() { |
if (!this.timer) return; |
clearInterval(this.timer); |
this.timer = null; |
}, |
|
onTimerEvent: function() { |
if (!this.currentlyExecuting) { |
try { |
this.currentlyExecuting = true; |
this.execute(); |
} finally { |
this.currentlyExecuting = false; |
} |
} |
} |
}); |
Object.extend(String, { |
interpret: function(value) { |
return value == null ? '' : String(value); |
}, |
specialChar: { |
'\b': '\\b', |
'\t': '\\t', |
'\n': '\\n', |
'\f': '\\f', |
'\r': '\\r', |
'\\': '\\\\' |
} |
}); |
|
Object.extend(String.prototype, { |
gsub: function(pattern, replacement) { |
var result = '', source = this, match; |
replacement = arguments.callee.prepareReplacement(replacement); |
|
while (source.length > 0) { |
if (match = source.match(pattern)) { |
result += source.slice(0, match.index); |
result += String.interpret(replacement(match)); |
source = source.slice(match.index + match[0].length); |
} else { |
result += source, source = ''; |
} |
} |
return result; |
}, |
|
sub: function(pattern, replacement, count) { |
replacement = this.gsub.prepareReplacement(replacement); |
count = Object.isUndefined(count) ? 1 : count; |
|
return this.gsub(pattern, function(match) { |
if (--count < 0) return match[0]; |
return replacement(match); |
}); |
}, |
|
scan: function(pattern, iterator) { |
this.gsub(pattern, iterator); |
return String(this); |
}, |
|
truncate: function(length, truncation) { |
length = length || 30; |
truncation = Object.isUndefined(truncation) ? '...' : truncation; |
return this.length > length ? |
this.slice(0, length - truncation.length) + truncation : String(this); |
}, |
|
strip: function() { |
return this.replace(/^\s+/, '').replace(/\s+$/, ''); |
}, |
|
stripTags: function() { |
return this.replace(/<\/?[^>]+>/gi, ''); |
}, |
|
stripScripts: function() { |
return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
}, |
|
extractScripts: function() { |
var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
return (this.match(matchAll) || []).map(function(scriptTag) { |
return (scriptTag.match(matchOne) || ['', ''])[1]; |
}); |
}, |
|
evalScripts: function() { |
return this.extractScripts().map(function(script) { return eval(script) }); |
}, |
|
escapeHTML: function() { |
var self = arguments.callee; |
self.text.data = this; |
return self.div.innerHTML; |
}, |
|
unescapeHTML: function() { |
var div = new Element('div'); |
div.innerHTML = this.stripTags(); |
return div.childNodes[0] ? (div.childNodes.length > 1 ? |
$A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : |
div.childNodes[0].nodeValue) : ''; |
}, |
|
toQueryParams: function(separator) { |
var match = this.strip().match(/([^?#]*)(#.*)?$/); |
if (!match) return { }; |
|
return match[1].split(separator || '&').inject({ }, function(hash, pair) { |
if ((pair = pair.split('='))[0]) { |
var key = decodeURIComponent(pair.shift()); |
var value = pair.length > 1 ? pair.join('=') : pair[0]; |
if (value != undefined) value = decodeURIComponent(value); |
|
if (key in hash) { |
if (!Object.isArray(hash[key])) hash[key] = [hash[key]]; |
hash[key].push(value); |
} |
else hash[key] = value; |
} |
return hash; |
}); |
}, |
|
toArray: function() { |
return this.split(''); |
}, |
|
succ: function() { |
return this.slice(0, this.length - 1) + |
String.fromCharCode(this.charCodeAt(this.length - 1) + 1); |
}, |
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times: function(count) { |
return count < 1 ? '' : new Array(count + 1).join(this); |
}, |
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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(/_/,'-'); |
}, |
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inspect: function(useDoubleQuotes) { |
var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) { |
var character = String.specialChar[match[0]]; |
return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16); |
}); |
if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; |
return "'" + escapedString.replace(/'/g, '\\\'') + "'"; |
}, |
|
toJSON: function() { |
return this.inspect(true); |
}, |
|
unfilterJSON: function(filter) { |
return this.sub(filter || Prototype.JSONFilter, '#{1}'); |
}, |
|
isJSON: function() { |
var str = this; |
if (str.blank()) return false; |
str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); |
return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); |
}, |
|
evalJSON: function(sanitize) { |
var json = this.unfilterJSON(); |
try { |
if (!sanitize || json.isJSON()) return eval('(' + json + ')'); |
} catch (e) { } |
throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); |
}, |
|
include: function(pattern) { |
return this.indexOf(pattern) > -1; |
}, |
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startsWith: function(pattern) { |
return this.indexOf(pattern) === 0; |
}, |
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endsWith: function(pattern) { |
var d = this.length - pattern.length; |
return d >= 0 && this.lastIndexOf(pattern) === d; |
}, |
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empty: function() { |
return this == ''; |
}, |
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blank: function() { |
return /^\s*$/.test(this); |
}, |
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interpolate: function(object, pattern) { |
return new Template(this, pattern).evaluate(object); |
} |
}); |
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if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { |
escapeHTML: function() { |
return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
}, |
unescapeHTML: function() { |
return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
} |
}); |
|
String.prototype.gsub.prepareReplacement = function(replacement) { |
if (Object.isFunction(replacement)) return replacement; |
var template = new Template(replacement); |
return function(match) { return template.evaluate(match) }; |
}; |
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String.prototype.parseQuery = String.prototype.toQueryParams; |
|
Object.extend(String.prototype.escapeHTML, { |
div: document.createElement('div'), |
text: document.createTextNode('') |
}); |
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with (String.prototype.escapeHTML) div.appendChild(text); |
|
var Template = Class.create({ |
initialize: function(template, pattern) { |
this.template = template.toString(); |
this.pattern = pattern || Template.Pattern; |
}, |
|
evaluate: function(object) { |
if (Object.isFunction(object.toTemplateReplacements)) |
object = object.toTemplateReplacements(); |
|
return this.template.gsub(this.pattern, function(match) { |
if (object == null) return ''; |
|
var before = match[1] || ''; |
if (before == '\\') return match[2]; |
|
var ctx = object, expr = match[3]; |
var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/; |
match = pattern.exec(expr); |
if (match == null) return before; |
|
while (match != null) { |
var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1]; |
ctx = ctx[comp]; |
if (null == ctx || '' == match[3]) break; |
expr = expr.substring('[' == match[3] ? match[1].length : match[0].length); |
match = pattern.exec(expr); |
} |
|
return before + String.interpret(ctx); |
}); |
} |
}); |
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; |
|
var $break = { }; |
|
var Enumerable = { |
each: function(iterator, context) { |
var index = 0; |
iterator = iterator.bind(context); |
try { |
this._each(function(value) { |
iterator(value, index++); |
}); |
} catch (e) { |
if (e != $break) throw e; |
} |
return this; |
}, |
|
eachSlice: function(number, iterator, context) { |
iterator = iterator ? iterator.bind(context) : Prototype.K; |
var index = -number, slices = [], array = this.toArray(); |
while ((index += number) < array.length) |
slices.push(array.slice(index, index+number)); |
return slices.collect(iterator, context); |
}, |
|
all: function(iterator, context) { |
iterator = iterator ? iterator.bind(context) : Prototype.K; |
var result = true; |
this.each(function(value, index) { |
result = result && !!iterator(value, index); |
if (!result) throw $break; |
}); |
return result; |
}, |
|
any: function(iterator, context) { |
iterator = iterator ? iterator.bind(context) : Prototype.K; |
var result = false; |
this.each(function(value, index) { |
if (result = !!iterator(value, index)) |
throw $break; |
}); |
return result; |
}, |
|
collect: function(iterator, context) { |
iterator = iterator ? iterator.bind(context) : Prototype.K; |
var results = []; |
this.each(function(value, index) { |
results.push(iterator(value, index)); |
}); |
return results; |
}, |
|
detect: function(iterator, context) { |
iterator = iterator.bind(context); |
var result; |
this.each(function(value, index) { |
if (iterator(value, index)) { |
result = value; |
throw $break; |
} |
}); |
return result; |
}, |
|
findAll: function(iterator, context) { |
iterator = iterator.bind(context); |
var results = []; |
this.each(function(value, index) { |
if (iterator(value, index)) |
results.push(value); |
}); |
return results; |
}, |
|
grep: function(filter, iterator, context) { |
iterator = iterator ? iterator.bind(context) : Prototype.K; |
var results = []; |
|
if (Object.isString(filter)) |
filter = new RegExp(filter); |
|
this.each(function(value, index) { |
if (filter.match(value)) |
results.push(iterator(value, index)); |
}); |
return results; |
}, |
|
include: function(object) { |
if (Object.isFunction(this.indexOf)) |
if (this.indexOf(object) != -1) return true; |
|
var found = false; |
this.each(function(value) { |
if (value == object) { |
found = true; |
throw $break; |
} |
}); |
return found; |
}, |
|
inGroupsOf: function(number, fillWith) { |
fillWith = Object.isUndefined(fillWith) ? null : fillWith; |
return this.eachSlice(number, function(slice) { |
while(slice.length < number) slice.push(fillWith); |
return slice; |
}); |
}, |
|
inject: function(memo, iterator, context) { |
iterator = iterator.bind(context); |
this.each(function(value, index) { |
memo = iterator(memo, value, index); |
}); |
return memo; |
}, |
|
invoke: function(method) { |
var args = $A(arguments).slice(1); |
return this.map(function(value) { |
return value[method].apply(value, args); |
}); |
}, |
|
max: function(iterator, context) { |
iterator = iterator ? iterator.bind(context) : Prototype.K; |
var result; |
this.each(function(value, index) { |
value = iterator(value, index); |
if (result == null || value >= result) |
result = value; |
}); |
return result; |
}, |
|
min: function(iterator, context) { |
iterator = iterator ? iterator.bind(context) : Prototype.K; |
var result; |
this.each(function(value, index) { |
value = iterator(value, index); |
if (result == null || value < result) |
result = value; |
}); |
return result; |
}, |
|
partition: function(iterator, context) { |
iterator = iterator ? iterator.bind(context) : Prototype.K; |
var trues = [], falses = []; |
this.each(function(value, index) { |
(iterator(value, index) ? |
trues : falses).push(value); |
}); |
return [trues, falses]; |
}, |
|
pluck: function(property) { |
var results = []; |
this.each(function(value) { |
results.push(value[property]); |
}); |
return results; |
}, |
|
reject: function(iterator, context) { |
iterator = iterator.bind(context); |
var results = []; |
this.each(function(value, index) { |
if (!iterator(value, index)) |
results.push(value); |
}); |
return results; |
}, |
|
sortBy: function(iterator, context) { |
iterator = iterator.bind(context); |
return this.map(function(value, index) { |
return {value: value, criteria: iterator(value, index)}; |
}).sort(function(left, right) { |
var a = left.criteria, b = right.criteria; |
return a < b ? -1 : a > b ? 1 : 0; |
}).pluck('value'); |
}, |
|
toArray: function() { |
return this.map(); |
}, |
|
zip: function() { |
var iterator = Prototype.K, args = $A(arguments); |
if (Object.isFunction(args.last())) |
iterator = args.pop(); |
|
var collections = [this].concat(args).map($A); |
return this.map(function(value, index) { |
return iterator(collections.pluck(index)); |
}); |
}, |
|
size: function() { |
return this.toArray().length; |
}, |
|
inspect: function() { |
return '#<Enumerable:' + this.toArray().inspect() + '>'; |
} |
}; |
|
Object.extend(Enumerable, { |
map: Enumerable.collect, |
find: Enumerable.detect, |
select: Enumerable.findAll, |
filter: Enumerable.findAll, |
member: Enumerable.include, |
entries: Enumerable.toArray, |
every: Enumerable.all, |
some: Enumerable.any |
}); |
function $A(iterable) { |
if (!iterable) return []; |
if (iterable.toArray) return iterable.toArray(); |
var length = iterable.length || 0, results = new Array(length); |
while (length--) results[length] = iterable[length]; |
return results; |
} |
|
if (Prototype.Browser.WebKit) { |
$A = function(iterable) { |
if (!iterable) return []; |
if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') && |
iterable.toArray) return iterable.toArray(); |
var length = iterable.length || 0, results = new Array(length); |
while (length--) results[length] = iterable[length]; |
return results; |
}; |
} |
|
Array.from = $A; |
|
Object.extend(Array.prototype, Enumerable); |
|
if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse; |
|
Object.extend(Array.prototype, { |
_each: function(iterator) { |
for (var i = 0, length = this.length; i < length; i++) |
iterator(this[i]); |
}, |
|
clear: function() { |
this.length = 0; |
return this; |
}, |
|
first: function() { |
return this[0]; |
}, |
|
last: function() { |
return this[this.length - 1]; |
}, |
|
compact: function() { |
return this.select(function(value) { |
return value != null; |
}); |
}, |
|
flatten: function() { |
return this.inject([], function(array, value) { |
return array.concat(Object.isArray(value) ? |
value.flatten() : [value]); |
}); |
}, |
|
without: function() { |
var values = $A(arguments); |
return this.select(function(value) { |
return !values.include(value); |
}); |
}, |
|
reverse: function(inline) { |
return (inline !== false ? this : this.toArray())._reverse(); |
}, |
|
reduce: function() { |
return this.length > 1 ? this : this[0]; |
}, |
|
uniq: function(sorted) { |
return this.inject([], function(array, value, index) { |
if (0 == index || (sorted ? array.last() != value : !array.include(value))) |
array.push(value); |
return array; |
}); |
}, |
|
intersect: function(array) { |
return this.uniq().findAll(function(item) { |
return array.detect(function(value) { return item === value }); |
}); |
}, |
|
clone: function() { |
return [].concat(this); |
}, |
|
size: function() { |
return this.length; |
}, |
|
inspect: function() { |
return '[' + this.map(Object.inspect).join(', ') + ']'; |
}, |
|
toJSON: function() { |
var results = []; |
this.each(function(object) { |
var value = Object.toJSON(object); |
if (!Object.isUndefined(value)) results.push(value); |
}); |
return '[' + results.join(', ') + ']'; |
} |
}); |
|
// use native browser JS 1.6 implementation if available |
if (Object.isFunction(Array.prototype.forEach)) |
Array.prototype._each = Array.prototype.forEach; |
|
if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) { |
i || (i = 0); |
var length = this.length; |
if (i < 0) i = length + i; |
for (; i < length; i++) |
if (this[i] === item) return i; |
return -1; |
}; |
|
if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) { |
i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1; |
var n = this.slice(0, i).reverse().indexOf(item); |
return (n < 0) ? n : i - n - 1; |
}; |
|
Array.prototype.toArray = Array.prototype.clone; |
|
function $w(string) { |
if (!Object.isString(string)) return []; |
string = string.strip(); |
return string ? string.split(/\s+/) : []; |
} |
|
if (Prototype.Browser.Opera){ |
Array.prototype.concat = function() { |
var array = []; |
for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); |
for (var i = 0, length = arguments.length; i < length; i++) { |
if (Object.isArray(arguments[i])) { |
for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) |
array.push(arguments[i][j]); |
} else { |
array.push(arguments[i]); |
} |
} |
return array; |
}; |
} |
Object.extend(Number.prototype, { |
toColorPart: function() { |
return this.toPaddedString(2, 16); |
}, |
|
succ: function() { |
return this + 1; |
}, |
|
times: function(iterator) { |
$R(0, this, true).each(iterator); |
return this; |
}, |
|
toPaddedString: function(length, radix) { |
var string = this.toString(radix || 10); |
return '0'.times(length - string.length) + string; |
}, |
|
toJSON: function() { |
return isFinite(this) ? this.toString() : 'null'; |
} |
}); |
|
$w('abs round ceil floor').each(function(method){ |
Number.prototype[method] = Math[method].methodize(); |
}); |
function $H(object) { |
return new Hash(object); |
}; |
|
var Hash = Class.create(Enumerable, (function() { |
|
function toQueryPair(key, value) { |
if (Object.isUndefined(value)) return key; |
return key + '=' + encodeURIComponent(String.interpret(value)); |
} |
|
return { |
initialize: function(object) { |
this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); |
}, |
|
_each: function(iterator) { |
for (var key in this._object) { |
var value = this._object[key], pair = [key, value]; |
pair.key = key; |
pair.value = value; |
iterator(pair); |
} |
}, |
|
set: function(key, value) { |
return this._object[key] = value; |
}, |
|
get: function(key) { |
return this._object[key]; |
}, |
|
unset: function(key) { |
var value = this._object[key]; |
delete this._object[key]; |
return value; |
}, |
|
toObject: function() { |
return Object.clone(this._object); |
}, |
|
keys: function() { |
return this.pluck('key'); |
}, |
|
values: function() { |
return this.pluck('value'); |
}, |
|
index: function(value) { |
var match = this.detect(function(pair) { |
return pair.value === value; |
}); |
return match && match.key; |
}, |
|
merge: function(object) { |
return this.clone().update(object); |
}, |
|
update: function(object) { |
return new Hash(object).inject(this, function(result, pair) { |
result.set(pair.key, pair.value); |
return result; |
}); |
}, |
|
toQueryString: function() { |
return this.map(function(pair) { |
var key = encodeURIComponent(pair.key), values = pair.value; |
|
if (values && typeof values == 'object') { |
if (Object.isArray(values)) |
return values.map(toQueryPair.curry(key)).join('&'); |
} |
return toQueryPair(key, values); |
}).join('&'); |
}, |
|
inspect: function() { |
return '#<Hash:{' + this.map(function(pair) { |
return pair.map(Object.inspect).join(': '); |
}).join(', ') + '}>'; |
}, |
|
toJSON: function() { |
return Object.toJSON(this.toObject()); |
}, |
|
clone: function() { |
return new Hash(this); |
} |
} |
})()); |
|
Hash.prototype.toTemplateReplacements = Hash.prototype.toObject; |
Hash.from = $H; |
var ObjectRange = Class.create(Enumerable, { |
initialize: function(start, end, exclusive) { |
this.start = start; |
this.end = end; |
this.exclusive = exclusive; |
}, |
|
_each: function(iterator) { |
var value = this.start; |
while (this.include(value)) { |
iterator(value); |
value = value.succ(); |
} |
}, |
|
include: function(value) { |
if (value < this.start) |
return false; |
if (this.exclusive) |
return value < this.end; |
return value <= this.end; |
} |
}); |
|
var $R = function(start, end, exclusive) { |
return new ObjectRange(start, end, exclusive); |
}; |
|
var Ajax = { |
getTransport: function() { |
return Try.these( |
function() {return new XMLHttpRequest()}, |
function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
) || false; |
}, |
|
activeRequestCount: 0 |
}; |
|
Ajax.Responders = { |
responders: [], |
|
_each: function(iterator) { |
this.responders._each(iterator); |
}, |
|
register: function(responder) { |
if (!this.include(responder)) |
this.responders.push(responder); |
}, |
|
unregister: function(responder) { |
this.responders = this.responders.without(responder); |
}, |
|
dispatch: function(callback, request, transport, json) { |
this.each(function(responder) { |
if (Object.isFunction(responder[callback])) { |
try { |
responder[callback].apply(responder, [request, transport, json]); |
} catch (e) { } |
} |
}); |
} |
}; |
|
Object.extend(Ajax.Responders, Enumerable); |
|
Ajax.Responders.register({ |
onCreate: function() { Ajax.activeRequestCount++ }, |
onComplete: function() { Ajax.activeRequestCount-- } |
}); |
|
Ajax.Base = Class.create({ |
initialize: function(options) { |
this.options = { |
method: 'post', |
asynchronous: true, |
contentType: 'application/x-www-form-urlencoded', |
encoding: 'UTF-8', |
parameters: '', |
evalJSON: true, |
evalJS: true |
}; |
Object.extend(this.options, options || { }); |
|
this.options.method = this.options.method.toLowerCase(); |
|
if (Object.isString(this.options.parameters)) |
this.options.parameters = this.options.parameters.toQueryParams(); |
else if (Object.isHash(this.options.parameters)) |
this.options.parameters = this.options.parameters.toObject(); |
} |
}); |
|
Ajax.Request = Class.create(Ajax.Base, { |
_complete: false, |
|
initialize: function($super, url, options) { |
$super(options); |
this.transport = Ajax.getTransport(); |
this.request(url); |
}, |
|
request: function(url) { |
this.url = url; |
this.method = this.options.method; |
var params = Object.clone(this.options.parameters); |
|
if (!['get', 'post'].include(this.method)) { |
// simulate other verbs over post |
params['_method'] = this.method; |
this.method = 'post'; |
} |
|
this.parameters = params; |
|
if (params = Object.toQueryString(params)) { |
// when GET, append parameters to URL |
if (this.method == 'get') |
this.url += (this.url.include('?') ? '&' : '?') + params; |
else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
params += '&_='; |
} |
|
try { |
var response = new Ajax.Response(this); |
if (this.options.onCreate) this.options.onCreate(response); |
Ajax.Responders.dispatch('onCreate', this, response); |
|
this.transport.open(this.method.toUpperCase(), this.url, |
this.options.asynchronous); |
|
if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1); |
|
this.transport.onreadystatechange = this.onStateChange.bind(this); |
this.setRequestHeaders(); |
|
this.body = this.method == 'post' ? (this.options.postBody || params) : null; |
this.transport.send(this.body); |
|
/* Force Firefox to handle ready state 4 for synchronous requests */ |
if (!this.options.asynchronous && this.transport.overrideMimeType) |
this.onStateChange(); |
|
} |
catch (e) { |
this.dispatchException(e); |
} |
}, |
|
onStateChange: function() { |
var readyState = this.transport.readyState; |
if (readyState > 1 && !((readyState == 4) && this._complete)) |
this.respondToReadyState(this.transport.readyState); |
}, |
|
setRequestHeaders: function() { |
var headers = { |
'X-Requested-With': 'XMLHttpRequest', |
'X-Prototype-Version': Prototype.Version, |
'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' |
}; |
|
if (this.method == 'post') { |
headers['Content-type'] = this.options.contentType + |
(this.options.encoding ? '; charset=' + this.options.encoding : ''); |
|
/* Force "Connection: close" for older Mozilla browsers to work |
* around a bug where XMLHttpRequest sends an incorrect |
* Content-length header. See Mozilla Bugzilla #246651. |
*/ |
if (this.transport.overrideMimeType && |
(navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) |
headers['Connection'] = 'close'; |
} |
|
// user-defined headers |
if (typeof this.options.requestHeaders == 'object') { |
var extras = this.options.requestHeaders; |
|
if (Object.isFunction(extras.push)) |
for (var i = 0, length = extras.length; i < length; i += 2) |
headers[extras[i]] = extras[i+1]; |
else |
$H(extras).each(function(pair) { headers[pair.key] = pair.value }); |
} |
|
for (var name in headers) |
this.transport.setRequestHeader(name, headers[name]); |
}, |
|
success: function() { |
var status = this.getStatus(); |
return !status || (status >= 200 && status < 300); |
}, |
|
getStatus: function() { |
try { |
return this.transport.status || 0; |
} catch (e) { return 0 } |
}, |
|
respondToReadyState: function(readyState) { |
var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this); |
|
if (state == 'Complete') { |
try { |
this._complete = true; |
(this.options['on' + response.status] |
|| this.options['on' + (this.success() ? 'Success' : 'Failure')] |
|| Prototype.emptyFunction)(response, response.headerJSON); |
} catch (e) { |
this.dispatchException(e); |
} |
|
var contentType = response.getHeader('Content-type'); |
if (this.options.evalJS == 'force' |
|| (this.options.evalJS && this.isSameOrigin() && contentType |
&& contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i))) |
this.evalResponse(); |
} |
|
try { |
(this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON); |
Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON); |
} catch (e) { |
this.dispatchException(e); |
} |
|
if (state == 'Complete') { |
// avoid memory leak in MSIE: clean up |
this.transport.onreadystatechange = Prototype.emptyFunction; |
} |
}, |
|
isSameOrigin: function() { |
var m = this.url.match(/^\s*https?:\/\/[^\/]*/); |
return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({ |
protocol: location.protocol, |
domain: document.domain, |
port: location.port ? ':' + location.port : '' |
})); |
}, |
|
getHeader: function(name) { |
try { |
return this.transport.getResponseHeader(name) || null; |
} catch (e) { return null } |
}, |
|
evalResponse: function() { |
try { |
return eval((this.transport.responseText || '').unfilterJSON()); |
} catch (e) { |
this.dispatchException(e); |
} |
}, |
|
dispatchException: function(exception) { |
(this.options.onException || Prototype.emptyFunction)(this, exception); |
Ajax.Responders.dispatch('onException', this, exception); |
} |
}); |
|
Ajax.Request.Events = |
['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
|
Ajax.Response = Class.create({ |
initialize: function(request){ |
this.request = request; |
var transport = this.transport = request.transport, |
readyState = this.readyState = transport.readyState; |
|
if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) { |
this.status = this.getStatus(); |
this.statusText = this.getStatusText(); |
this.responseText = String.interpret(transport.responseText); |
this.headerJSON = this._getHeaderJSON(); |
} |
|
if(readyState == 4) { |
var xml = transport.responseXML; |
this.responseXML = Object.isUndefined(xml) ? null : xml; |
this.responseJSON = this._getResponseJSON(); |
} |
}, |
|
status: 0, |
statusText: '', |
|
getStatus: Ajax.Request.prototype.getStatus, |
|
getStatusText: function() { |
try { |
return this.transport.statusText || ''; |
} catch (e) { return '' } |
}, |
|
getHeader: Ajax.Request.prototype.getHeader, |
|
getAllHeaders: function() { |
try { |
return this.getAllResponseHeaders(); |
} catch (e) { return null } |
}, |
|
getResponseHeader: function(name) { |
return this.transport.getResponseHeader(name); |
}, |
|
getAllResponseHeaders: function() { |
return this.transport.getAllResponseHeaders(); |
}, |
|
_getHeaderJSON: function() { |
var json = this.getHeader('X-JSON'); |
if (!json) return null; |
json = decodeURIComponent(escape(json)); |
try { |
return json.evalJSON(this.request.options.sanitizeJSON || |
!this.request.isSameOrigin()); |
} catch (e) { |
this.request.dispatchException(e); |
} |
}, |
|
_getResponseJSON: function() { |
var options = this.request.options; |
if (!options.evalJSON || (options.evalJSON != 'force' && |
!(this.getHeader('Content-type') || '').include('application/json')) || |
this.responseText.blank()) |
return null; |
try { |
return this.responseText.evalJSON(options.sanitizeJSON || |
!this.request.isSameOrigin()); |
} catch (e) { |
this.request.dispatchException(e); |
} |
} |
}); |
|
Ajax.Updater = Class.create(Ajax.Request, { |
initialize: function($super, container, url, options) { |
this.container = { |
success: (container.success || container), |
failure: (container.failure || (container.success ? null : container)) |
}; |
|
options = Object.clone(options); |
var onComplete = options.onComplete; |
options.onComplete = (function(response, json) { |
this.updateContent(response.responseText); |
if (Object.isFunction(onComplete)) onComplete(response, json); |
}).bind(this); |
|
$super(url, options); |
}, |
|
updateContent: function(responseText) { |
var receiver = this.container[this.success() ? 'success' : 'failure'], |
options = this.options; |
|
if (!options.evalScripts) responseText = responseText.stripScripts(); |
|
if (receiver = $(receiver)) { |
if (options.insertion) { |
if (Object.isString(options.insertion)) { |
var insertion = { }; insertion[options.insertion] = responseText; |
receiver.insert(insertion); |
} |
else options.insertion(receiver, responseText); |
} |
else receiver.update(responseText); |
} |
} |
}); |
|
Ajax.PeriodicalUpdater = Class.create(Ajax.Base, { |
initialize: function($super, container, url, options) { |
$super(options); |
this.onComplete = this.options.onComplete; |
|
this.frequency = (this.options.frequency || 2); |
this.decay = (this.options.decay || 1); |
|
this.updater = { }; |
this.container = container; |
this.url = url; |
|
this.start(); |
}, |
|
start: function() { |
this.options.onComplete = this.updateComplete.bind(this); |
this.onTimerEvent(); |
}, |
|
stop: function() { |
this.updater.options.onComplete = undefined; |
clearTimeout(this.timer); |
(this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
}, |
|
updateComplete: function(response) { |
if (this.options.decay) { |
this.decay = (response.responseText == this.lastText ? |
this.decay * this.options.decay : 1); |
|
this.lastText = response.responseText; |
} |
this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency); |
}, |
|
onTimerEvent: function() { |
this.updater = new Ajax.Updater(this.container, this.url, this.options); |
} |
}); |
function $(element) { |
if (arguments.length > 1) { |
for (var i = 0, elements = [], length = arguments.length; i < length; i++) |
elements.push($(arguments[i])); |
return elements; |
} |
if (Object.isString(element)) |
element = document.getElementById(element); |
return Element.extend(element); |
} |
|
if (Prototype.BrowserFeatures.XPath) { |
document._getElementsByXPath = function(expression, parentElement) { |
var results = []; |
var query = document.evaluate(expression, $(parentElement) || document, |
null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); |
for (var i = 0, length = query.snapshotLength; i < length; i++) |
results.push(Element.extend(query.snapshotItem(i))); |
return results; |
}; |
} |
|
/*--------------------------------------------------------------------------*/ |
|
if (!window.Node) var Node = { }; |
|
if (!Node.ELEMENT_NODE) { |
// DOM level 2 ECMAScript Language Binding |
Object.extend(Node, { |
ELEMENT_NODE: 1, |
ATTRIBUTE_NODE: 2, |
TEXT_NODE: 3, |
CDATA_SECTION_NODE: 4, |
ENTITY_REFERENCE_NODE: 5, |
ENTITY_NODE: 6, |
PROCESSING_INSTRUCTION_NODE: 7, |
COMMENT_NODE: 8, |
DOCUMENT_NODE: 9, |
DOCUMENT_TYPE_NODE: 10, |
DOCUMENT_FRAGMENT_NODE: 11, |
NOTATION_NODE: 12 |
}); |
} |
|
(function() { |
var element = this.Element; |
this.Element = function(tagName, attributes) { |
attributes = attributes || { }; |
tagName = tagName.toLowerCase(); |
var cache = Element.cache; |
if (Prototype.Browser.IE && attributes.name) { |
tagName = '<' + tagName + ' name="' + attributes.name + '">'; |
delete attributes.name; |
return Element.writeAttribute(document.createElement(tagName), attributes); |
} |
if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName)); |
return Element.writeAttribute(cache[tagName].cloneNode(false), attributes); |
}; |
Object.extend(this.Element, element || { }); |
}).call(window); |
|
Element.cache = { }; |
|
Element.Methods = { |
visible: function(element) { |
return $(element).style.display != 'none'; |
}, |
|
toggle: function(element) { |
element = $(element); |
Element[Element.visible(element) ? 'hide' : 'show'](element); |
return element; |
}, |
|
hide: function(element) { |
$(element).style.display = 'none'; |
return element; |
}, |
|
show: function(element) { |
$(element).style.display = ''; |
return element; |
}, |
|
remove: function(element) { |
element = $(element); |
element.parentNode.removeChild(element); |
return element; |
}, |
|
update: function(element, content) { |
element = $(element); |
if (content && content.toElement) content = content.toElement(); |
if (Object.isElement(content)) return element.update().insert(content); |
content = Object.toHTML(content); |
element.innerHTML = content.stripScripts(); |
content.evalScripts.bind(content).defer(); |
return element; |
}, |
|
replace: function(element, content) { |
element = $(element); |
if (content && content.toElement) content = content.toElement(); |
else if (!Object.isElement(content)) { |
content = Object.toHTML(content); |
var range = element.ownerDocument.createRange(); |
range.selectNode(element); |
content.evalScripts.bind(content).defer(); |
content = range.createContextualFragment(content.stripScripts()); |
} |
element.parentNode.replaceChild(content, element); |
return element; |
}, |
|
insert: function(element, insertions) { |
element = $(element); |
|
if (Object.isString(insertions) || Object.isNumber(insertions) || |
Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML))) |
insertions = {bottom:insertions}; |
|
var content, insert, tagName, childNodes; |
|
for (var position in insertions) { |
content = insertions[position]; |
position = position.toLowerCase(); |
insert = Element._insertionTranslations[position]; |
|
if (content && content.toElement) content = content.toElement(); |
if (Object.isElement(content)) { |
insert(element, content); |
continue; |
} |
|
content = Object.toHTML(content); |
|
tagName = ((position == 'before' || position == 'after') |
? element.parentNode : element).tagName.toUpperCase(); |
|
childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); |
|
if (position == 'top' || position == 'after') childNodes.reverse(); |
childNodes.each(insert.curry(element)); |
|
content.evalScripts.bind(content).defer(); |
} |
|
return element; |
}, |
|
wrap: function(element, wrapper, attributes) { |
element = $(element); |
if (Object.isElement(wrapper)) |
$(wrapper).writeAttribute(attributes || { }); |
else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes); |
else wrapper = new Element('div', wrapper); |
if (element.parentNode) |
element.parentNode.replaceChild(wrapper, element); |
wrapper.appendChild(element); |
return wrapper; |
}, |
|
inspect: function(element) { |
element = $(element); |
var result = '<' + element.tagName.toLowerCase(); |
$H({'id': 'id', 'className': 'class'}).each(function(pair) { |
var property = pair.first(), attribute = pair.last(); |
var value = (element[property] || '').toString(); |
if (value) result += ' ' + attribute + '=' + value.inspect(true); |
}); |
return result + '>'; |
}, |
|
recursivelyCollect: function(element, property) { |
element = $(element); |
var elements = []; |
while (element = element[property]) |
if (element.nodeType == 1) |
elements.push(Element.extend(element)); |
return elements; |
}, |
|
ancestors: function(element) { |
return $(element).recursivelyCollect('parentNode'); |
}, |
|
descendants: function(element) { |
return $(element).select("*"); |
}, |
|
firstDescendant: function(element) { |
element = $(element).firstChild; |
while (element && element.nodeType != 1) element = element.nextSibling; |
return $(element); |
}, |
|
immediateDescendants: function(element) { |
if (!(element = $(element).firstChild)) return []; |
while (element && element.nodeType != 1) element = element.nextSibling; |
if (element) return [element].concat($(element).nextSiblings()); |
return []; |
}, |
|
previousSiblings: function(element) { |
return $(element).recursivelyCollect('previousSibling'); |
}, |
|
nextSiblings: function(element) { |
return $(element).recursivelyCollect('nextSibling'); |
}, |
|
siblings: function(element) { |
element = $(element); |
return element.previousSiblings().reverse().concat(element.nextSiblings()); |
}, |
|
match: function(element, selector) { |
if (Object.isString(selector)) |
selector = new Selector(selector); |
return selector.match($(element)); |
}, |
|
up: function(element, expression, index) { |
element = $(element); |
if (arguments.length == 1) return $(element.parentNode); |
var ancestors = element.ancestors(); |
return Object.isNumber(expression) ? ancestors[expression] : |
Selector.findElement(ancestors, expression, index); |
}, |
|
down: function(element, expression, index) { |
element = $(element); |
if (arguments.length == 1) return element.firstDescendant(); |
return Object.isNumber(expression) ? element.descendants()[expression] : |
element.select(expression)[index || 0]; |
}, |
|
previous: function(element, expression, index) { |
element = $(element); |
if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); |
var previousSiblings = element.previousSiblings(); |
return Object.isNumber(expression) ? previousSiblings[expression] : |
Selector.findElement(previousSiblings, expression, index); |
}, |
|
next: function(element, expression, index) { |
element = $(element); |
if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); |
var nextSiblings = element.nextSiblings(); |
return Object.isNumber(expression) ? nextSiblings[expression] : |
Selector.findElement(nextSiblings, expression, index); |
}, |
|
select: function() { |
var args = $A(arguments), element = $(args.shift()); |
return Selector.findChildElements(element, args); |
}, |
|
adjacent: function() { |
var args = $A(arguments), element = $(args.shift()); |
return Selector.findChildElements(element.parentNode, args).without(element); |
}, |
|
identify: function(element) { |
element = $(element); |
var id = element.readAttribute('id'), self = arguments.callee; |
if (id) return id; |
do { id = 'anonymous_element_' + self.counter++ } while ($(id)); |
element.writeAttribute('id', id); |
return id; |
}, |
|
readAttribute: function(element, name) { |
element = $(element); |
if (Prototype.Browser.IE) { |
var t = Element._attributeTranslations.read; |
if (t.values[name]) return t.values[name](element, name); |
if (t.names[name]) name = t.names[name]; |
if (name.include(':')) { |
return (!element.attributes || !element.attributes[name]) ? null : |
element.attributes[name].value; |
} |
} |
return element.getAttribute(name); |
}, |
|
writeAttribute: function(element, name, value) { |
element = $(element); |
var attributes = { }, t = Element._attributeTranslations.write; |
|
if (typeof name == 'object') attributes = name; |
else attributes[name] = Object.isUndefined(value) ? true : value; |
|
for (var attr in attributes) { |
name = t.names[attr] || attr; |
value = attributes[attr]; |
if (t.values[attr]) name = t.values[attr](element, value); |
if (value === false || value === null) |
element.removeAttribute(name); |
else if (value === true) |
element.setAttribute(name, name); |
else element.setAttribute(name, value); |
} |
return element; |
}, |
|
getHeight: function(element) { |
return $(element).getDimensions().height; |
}, |
|
getWidth: function(element) { |
return $(element).getDimensions().width; |
}, |
|
classNames: function(element) { |
return new Element.ClassNames(element); |
}, |
|
hasClassName: function(element, className) { |
if (!(element = $(element))) return; |
var elementClassName = element.className; |
return (elementClassName.length > 0 && (elementClassName == className || |
new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName))); |
}, |
|
addClassName: function(element, className) { |
if (!(element = $(element))) return; |
if (!element.hasClassName(className)) |
element.className += (element.className ? ' ' : '') + className; |
return element; |
}, |
|
removeClassName: function(element, className) { |
if (!(element = $(element))) return; |
element.className = element.className.replace( |
new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip(); |
return element; |
}, |
|
toggleClassName: function(element, className) { |
if (!(element = $(element))) return; |
return element[element.hasClassName(className) ? |
'removeClassName' : 'addClassName'](className); |
}, |
|
// removes whitespace-only text node children |
cleanWhitespace: function(element) { |
element = $(element); |
var node = element.firstChild; |
while (node) { |
var nextNode = node.nextSibling; |
if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
element.removeChild(node); |
node = nextNode; |
} |
return element; |
}, |
|
empty: function(element) { |
return $(element).innerHTML.blank(); |
}, |
|
descendantOf: function(element, ancestor) { |
element = $(element), ancestor = $(ancestor); |
var originalAncestor = ancestor; |
|
if (element.compareDocumentPosition) |
return (element.compareDocumentPosition(ancestor) & 8) === 8; |
|
if (element.sourceIndex && !Prototype.Browser.Opera) { |
var e = element.sourceIndex, a = ancestor.sourceIndex, |
nextAncestor = ancestor.nextSibling; |
if (!nextAncestor) { |
do { ancestor = ancestor.parentNode; } |
while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode); |
} |
if (nextAncestor && nextAncestor.sourceIndex) |
return (e > a && e < nextAncestor.sourceIndex); |
} |
|
while (element = element.parentNode) |
if (element == originalAncestor) return true; |
return false; |
}, |
|
scrollTo: function(element) { |
element = $(element); |
var pos = element.cumulativeOffset(); |
window.scrollTo(pos[0], pos[1]); |
return element; |
}, |
|
getStyle: function(element, style) { |
element = $(element); |
style = style == 'float' ? 'cssFloat' : style.camelize(); |
var value = element.style[style]; |
if (!value) { |
var css = document.defaultView.getComputedStyle(element, null); |
value = css ? css[style] : null; |
} |
if (style == 'opacity') return value ? parseFloat(value) : 1.0; |
return value == 'auto' ? null : value; |
}, |
|
getOpacity: function(element) { |
return $(element).getStyle('opacity'); |
}, |
|
setStyle: function(element, styles) { |
element = $(element); |
var elementStyle = element.style, match; |
if (Object.isString(styles)) { |
element.style.cssText += ';' + styles; |
return styles.include('opacity') ? |
element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element; |
} |
for (var property in styles) |
if (property == 'opacity') element.setOpacity(styles[property]); |
else |
elementStyle[(property == 'float' || property == 'cssFloat') ? |
(Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') : |
property] = styles[property]; |
|
return element; |
}, |
|
setOpacity: function(element, value) { |
element = $(element); |
element.style.opacity = (value == 1 || value === '') ? '' : |
(value < 0.00001) ? 0 : value; |
return element; |
}, |
|
getDimensions: function(element) { |
element = $(element); |
var display = $(element).getStyle('display'); |
if (display != 'none' && display != null) // Safari bug |
return {width: element.offsetWidth, height: element.offsetHeight}; |
|
// All *Width and *Height properties give 0 on elements with display none, |
// so enable the element temporarily |
var els = element.style; |
var originalVisibility = els.visibility; |
var originalPosition = els.position; |
var originalDisplay = els.display; |
els.visibility = 'hidden'; |
els.position = 'absolute'; |
els.display = 'block'; |
var originalWidth = element.clientWidth; |
var originalHeight = element.clientHeight; |
els.display = originalDisplay; |
els.position = originalPosition; |
els.visibility = originalVisibility; |
return {width: originalWidth, height: originalHeight}; |
}, |
|
makePositioned: function(element) { |
element = $(element); |
var pos = Element.getStyle(element, 'position'); |
if (pos == 'static' || !pos) { |
element._madePositioned = true; |
element.style.position = 'relative'; |
// Opera returns the offset relative to the positioning context, when an |
// element is position relative but top and left have not been defined |
if (window.opera) { |
element.style.top = 0; |
element.style.left = 0; |
} |
} |
return element; |
}, |
|
undoPositioned: function(element) { |
element = $(element); |
if (element._madePositioned) { |
element._madePositioned = undefined; |
element.style.position = |
element.style.top = |
element.style.left = |
element.style.bottom = |
element.style.right = ''; |
} |
return element; |
}, |
|
makeClipping: function(element) { |
element = $(element); |
if (element._overflow) return element; |
element._overflow = Element.getStyle(element, 'overflow') || 'auto'; |
if (element._overflow !== 'hidden') |
element.style.overflow = 'hidden'; |
return element; |
}, |
|
undoClipping: function(element) { |
element = $(element); |
if (!element._overflow) return element; |
element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; |
element._overflow = null; |
return element; |
}, |
|
cumulativeOffset: function(element) { |
var valueT = 0, valueL = 0; |
do { |
valueT += element.offsetTop || 0; |
valueL += element.offsetLeft || 0; |
element = element.offsetParent; |
} while (element); |
return Element._returnOffset(valueL, valueT); |
}, |
|
positionedOffset: function(element) { |
var valueT = 0, valueL = 0; |
do { |
valueT += element.offsetTop || 0; |
valueL += element.offsetLeft || 0; |
element = element.offsetParent; |
if (element) { |
if (element.tagName == 'BODY') break; |
var p = Element.getStyle(element, 'position'); |
if (p !== 'static') break; |
} |
} while (element); |
return Element._returnOffset(valueL, valueT); |
}, |
|
absolutize: function(element) { |
element = $(element); |
if (element.getStyle('position') == 'absolute') return; |
// Position.prepare(); // To be done manually by Scripty when it needs it. |
|
var offsets = element.positionedOffset(); |
var top = offsets[1]; |
var left = offsets[0]; |
var width = element.clientWidth; |
var height = element.clientHeight; |
|
element._originalLeft = left - parseFloat(element.style.left || 0); |
element._originalTop = top - parseFloat(element.style.top || 0); |
element._originalWidth = element.style.width; |
element._originalHeight = element.style.height; |
|
element.style.position = 'absolute'; |
element.style.top = top + 'px'; |
element.style.left = left + 'px'; |
element.style.width = width + 'px'; |
element.style.height = height + 'px'; |
return element; |
}, |
|
relativize: function(element) { |
element = $(element); |
if (element.getStyle('position') == 'relative') return; |
// Position.prepare(); // To be done manually by Scripty when it needs it. |
|
element.style.position = 'relative'; |
var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
|
element.style.top = top + 'px'; |
element.style.left = left + 'px'; |
element.style.height = element._originalHeight; |
element.style.width = element._originalWidth; |
return element; |
}, |
|
cumulativeScrollOffset: function(element) { |
var valueT = 0, valueL = 0; |
do { |
valueT += element.scrollTop || 0; |
valueL += element.scrollLeft || 0; |
element = element.parentNode; |
} while (element); |
return Element._returnOffset(valueL, valueT); |
}, |
|
getOffsetParent: function(element) { |
if (element.offsetParent) return $(element.offsetParent); |
if (element == document.body) return $(element); |
|
while ((element = element.parentNode) && element != document.body) |
if (Element.getStyle(element, 'position') != 'static') |
return $(element); |
|
return $(document.body); |
}, |
|
viewportOffset: function(forElement) { |
var valueT = 0, valueL = 0; |
|
var element = forElement; |
do { |
valueT += element.offsetTop || 0; |
valueL += element.offsetLeft || 0; |
|
// Safari fix |
if (element.offsetParent == document.body && |
Element.getStyle(element, 'position') == 'absolute') break; |
|
} while (element = element.offsetParent); |
|
element = forElement; |
do { |
if (!Prototype.Browser.Opera || element.tagName == 'BODY') { |
valueT -= element.scrollTop || 0; |
valueL -= element.scrollLeft || 0; |
} |
} while (element = element.parentNode); |
|
return Element._returnOffset(valueL, valueT); |
}, |
|
clonePosition: function(element, source) { |
var options = Object.extend({ |
setLeft: true, |
setTop: true, |
setWidth: true, |
setHeight: true, |
offsetTop: 0, |
offsetLeft: 0 |
}, arguments[2] || { }); |
|
// find page position of source |
source = $(source); |
var p = source.viewportOffset(); |
|
// find coordinate system to use |
element = $(element); |
var delta = [0, 0]; |
var parent = null; |
// delta [0,0] will do fine with position: fixed elements, |
// position:absolute needs offsetParent deltas |
if (Element.getStyle(element, 'position') == 'absolute') { |
parent = element.getOffsetParent(); |
delta = parent.viewportOffset(); |
} |
|
// correct by body offsets (fixes Safari) |
if (parent == document.body) { |
delta[0] -= document.body.offsetLeft; |
delta[1] -= document.body.offsetTop; |
} |
|
// set position |
if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
if (options.setWidth) element.style.width = source.offsetWidth + 'px'; |
if (options.setHeight) element.style.height = source.offsetHeight + 'px'; |
return element; |
} |
}; |
|
Element.Methods.identify.counter = 1; |
|
Object.extend(Element.Methods, { |
getElementsBySelector: Element.Methods.select, |
childElements: Element.Methods.immediateDescendants |
}); |
|
Element._attributeTranslations = { |
write: { |
names: { |
className: 'class', |
htmlFor: 'for' |
}, |
values: { } |
} |
}; |
|
if (Prototype.Browser.Opera) { |
Element.Methods.getStyle = Element.Methods.getStyle.wrap( |
function(proceed, element, style) { |
switch (style) { |
case 'left': case 'top': case 'right': case 'bottom': |
if (proceed(element, 'position') === 'static') return null; |
case 'height': case 'width': |
// returns '0px' for hidden elements; we want it to return null |
if (!Element.visible(element)) return null; |
|
// returns the border-box dimensions rather than the content-box |
// dimensions, so we subtract padding and borders from the value |
var dim = parseInt(proceed(element, style), 10); |
|
if (dim !== element['offset' + style.capitalize()]) |
return dim + 'px'; |
|
var properties; |
if (style === 'height') { |
properties = ['border-top-width', 'padding-top', |
'padding-bottom', 'border-bottom-width']; |
} |
else { |
properties = ['border-left-width', 'padding-left', |
'padding-right', 'border-right-width']; |
} |
return properties.inject(dim, function(memo, property) { |
var val = proceed(element, property); |
return val === null ? memo : memo - parseInt(val, 10); |
}) + 'px'; |
default: return proceed(element, style); |
} |
} |
); |
|
Element.Methods.readAttribute = Element.Methods.readAttribute.wrap( |
function(proceed, element, attribute) { |
if (attribute === 'title') return element.title; |
return proceed(element, attribute); |
} |
); |
} |
|
else if (Prototype.Browser.IE) { |
// IE doesn't report offsets correctly for static elements, so we change them |
// to "relative" to get the values, then change them back. |
Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap( |
function(proceed, element) { |
element = $(element); |
var position = element.getStyle('position'); |
if (position !== 'static') return proceed(element); |
element.setStyle({ position: 'relative' }); |
var value = proceed(element); |
element.setStyle({ position: position }); |
return value; |
} |
); |
|
$w('positionedOffset viewportOffset').each(function(method) { |
Element.Methods[method] = Element.Methods[method].wrap( |
function(proceed, element) { |
element = $(element); |
var position = element.getStyle('position'); |
if (position !== 'static') return proceed(element); |
// Trigger hasLayout on the offset parent so that IE6 reports |
// accurate offsetTop and offsetLeft values for position: fixed. |
var offsetParent = element.getOffsetParent(); |
if (offsetParent && offsetParent.getStyle('position') === 'fixed') |
offsetParent.setStyle({ zoom: 1 }); |
element.setStyle({ position: 'relative' }); |
var value = proceed(element); |
element.setStyle({ position: position }); |
return value; |
} |
); |
}); |
|
Element.Methods.getStyle = function(element, style) { |
element = $(element); |
style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); |
var value = element.style[style]; |
if (!value && element.currentStyle) value = element.currentStyle[style]; |
|
if (style == 'opacity') { |
if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) |
if (value[1]) return parseFloat(value[1]) / 100; |
return 1.0; |
} |
|
if (value == 'auto') { |
if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) |
return element['offset' + style.capitalize()] + 'px'; |
return null; |
} |
return value; |
}; |
|
Element.Methods.setOpacity = function(element, value) { |
function stripAlpha(filter){ |
return filter.replace(/alpha\([^\)]*\)/gi,''); |
} |
element = $(element); |
var currentStyle = element.currentStyle; |
if ((currentStyle && !currentStyle.hasLayout) || |
(!currentStyle && element.style.zoom == 'normal')) |
element.style.zoom = 1; |
|
var filter = element.getStyle('filter'), style = element.style; |
if (value == 1 || value === '') { |
(filter = stripAlpha(filter)) ? |
style.filter = filter : style.removeAttribute('filter'); |
return element; |
} else if (value < 0.00001) value = 0; |
style.filter = stripAlpha(filter) + |
'alpha(opacity=' + (value * 100) + ')'; |
return element; |
}; |
|
Element._attributeTranslations = { |
read: { |
names: { |
'class': 'className', |
'for': 'htmlFor' |
}, |
values: { |
_getAttr: function(element, attribute) { |
return element.getAttribute(attribute, 2); |
}, |
_getAttrNode: function(element, attribute) { |
var node = element.getAttributeNode(attribute); |
return node ? node.value : ""; |
}, |
_getEv: function(element, attribute) { |
attribute = element.getAttribute(attribute); |
return attribute ? attribute.toString().slice(23, -2) : null; |
}, |
_flag: function(element, attribute) { |
return $(element).hasAttribute(attribute) ? attribute : null; |
}, |
style: function(element) { |
return element.style.cssText.toLowerCase(); |
}, |
title: function(element) { |
return element.title; |
} |
} |
} |
}; |
|
Element._attributeTranslations.write = { |
names: Object.extend({ |
cellpadding: 'cellPadding', |
cellspacing: 'cellSpacing' |
}, Element._attributeTranslations.read.names), |
values: { |
checked: function(element, value) { |
element.checked = !!value; |
}, |
|
style: function(element, value) { |
element.style.cssText = value ? value : ''; |
} |
} |
}; |
|
Element._attributeTranslations.has = {}; |
|
$w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' + |
'encType maxLength readOnly longDesc').each(function(attr) { |
Element._attributeTranslations.write.names[attr.toLowerCase()] = attr; |
Element._attributeTranslations.has[attr.toLowerCase()] = attr; |
}); |
|
(function(v) { |
Object.extend(v, { |
href: v._getAttr, |
src: v._getAttr, |
type: v._getAttr, |
action: v._getAttrNode, |
disabled: v._flag, |
checked: v._flag, |
readonly: v._flag, |
multiple: v._flag, |
onload: v._getEv, |
onunload: v._getEv, |
onclick: v._getEv, |
ondblclick: v._getEv, |
onmousedown: v._getEv, |
onmouseup: v._getEv, |
onmouseover: v._getEv, |
onmousemove: v._getEv, |
onmouseout: v._getEv, |
onfocus: v._getEv, |
onblur: v._getEv, |
onkeypress: v._getEv, |
onkeydown: v._getEv, |
onkeyup: v._getEv, |
onsubmit: v._getEv, |
onreset: v._getEv, |
onselect: v._getEv, |
onchange: v._getEv |
}); |
})(Element._attributeTranslations.read.values); |
} |
|
else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) { |
Element.Methods.setOpacity = function(element, value) { |
element = $(element); |
element.style.opacity = (value == 1) ? 0.999999 : |
(value === '') ? '' : (value < 0.00001) ? 0 : value; |
return element; |
}; |
} |
|
else if (Prototype.Browser.WebKit) { |
Element.Methods.setOpacity = function(element, value) { |
element = $(element); |
element.style.opacity = (value == 1 || value === '') ? '' : |
(value < 0.00001) ? 0 : value; |
|
if (value == 1) |
if(element.tagName == 'IMG' && element.width) { |
element.width++; element.width--; |
} else try { |
var n = document.createTextNode(' '); |
element.appendChild(n); |
element.removeChild(n); |
} catch (e) { } |
|
return element; |
}; |
|
// Safari returns margins on body which is incorrect if the child is absolutely |
// positioned. For performance reasons, redefine Element#cumulativeOffset for |
// KHTML/WebKit only. |
Element.Methods.cumulativeOffset = function(element) { |
var valueT = 0, valueL = 0; |
do { |
valueT += element.offsetTop || 0; |
valueL += element.offsetLeft || 0; |
if (element.offsetParent == document.body) |
if (Element.getStyle(element, 'position') == 'absolute') break; |
|
element = element.offsetParent; |
} while (element); |
|
return Element._returnOffset(valueL, valueT); |
}; |
} |
|
if (Prototype.Browser.IE || Prototype.Browser.Opera) { |
// IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements |
Element.Methods.update = function(element, content) { |
element = $(element); |
|
if (content && content.toElement) content = content.toElement(); |
if (Object.isElement(content)) return element.update().insert(content); |
|
content = Object.toHTML(content); |
var tagName = element.tagName.toUpperCase(); |
|
if (tagName in Element._insertionTranslations.tags) { |
$A(element.childNodes).each(function(node) { element.removeChild(node) }); |
Element._getContentFromAnonymousElement(tagName, content.stripScripts()) |
.each(function(node) { element.appendChild(node) }); |
} |
else element.innerHTML = content.stripScripts(); |
|
content.evalScripts.bind(content).defer(); |
return element; |
}; |
} |
|
if ('outerHTML' in document.createElement('div')) { |
Element.Methods.replace = function(element, content) { |
element = $(element); |
|
if (content && content.toElement) content = content.toElement(); |
if (Object.isElement(content)) { |
element.parentNode.replaceChild(content, element); |
return element; |
} |
|
content = Object.toHTML(content); |
var parent = element.parentNode, tagName = parent.tagName.toUpperCase(); |
|
if (Element._insertionTranslations.tags[tagName]) { |
var nextSibling = element.next(); |
var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); |
parent.removeChild(element); |
if (nextSibling) |
fragments.each(function(node) { parent.insertBefore(node, nextSibling) }); |
else |
fragments.each(function(node) { parent.appendChild(node) }); |
} |
else element.outerHTML = content.stripScripts(); |
|
content.evalScripts.bind(content).defer(); |
return element; |
}; |
} |
|
Element._returnOffset = function(l, t) { |
var result = [l, t]; |
result.left = l; |
result.top = t; |
return result; |
}; |
|
Element._getContentFromAnonymousElement = function(tagName, html) { |
var div = new Element('div'), t = Element._insertionTranslations.tags[tagName]; |
if (t) { |
div.innerHTML = t[0] + html + t[1]; |
t[2].times(function() { div = div.firstChild }); |
} else div.innerHTML = html; |
return $A(div.childNodes); |
}; |
|
Element._insertionTranslations = { |
before: function(element, node) { |
element.parentNode.insertBefore(node, element); |
}, |
top: function(element, node) { |
element.insertBefore(node, element.firstChild); |
}, |
bottom: function(element, node) { |
element.appendChild(node); |
}, |
after: function(element, node) { |
element.parentNode.insertBefore(node, element.nextSibling); |
}, |
tags: { |
TABLE: ['<table>', '</table>', 1], |
TBODY: ['<table><tbody>', '</tbody></table>', 2], |
TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3], |
TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4], |
SELECT: ['<select>', '</select>', 1] |
} |
}; |
|
(function() { |
Object.extend(this.tags, { |
THEAD: this.tags.TBODY, |
TFOOT: this.tags.TBODY, |
TH: this.tags.TD |
}); |
}).call(Element._insertionTranslations); |
|
Element.Methods.Simulated = { |
hasAttribute: function(element, attribute) { |
attribute = Element._attributeTranslations.has[attribute] || attribute; |
var node = $(element).getAttributeNode(attribute); |
return node && node.specified; |
} |
}; |
|
Element.Methods.ByTag = { }; |
|
Object.extend(Element, Element.Methods); |
|
if (!Prototype.BrowserFeatures.ElementExtensions && |
document.createElement('div').__proto__) { |
window.HTMLElement = { }; |
window.HTMLElement.prototype = document.createElement('div').__proto__; |
Prototype.BrowserFeatures.ElementExtensions = true; |
} |
|
Element.extend = (function() { |
if (Prototype.BrowserFeatures.SpecificElementExtensions) |
return Prototype.K; |
|
var Methods = { }, ByTag = Element.Methods.ByTag; |
|
var extend = Object.extend(function(element) { |
if (!element || element._extendedByPrototype || |
element.nodeType != 1 || element == window) return element; |
|
var methods = Object.clone(Methods), |
tagName = element.tagName, property, value; |
|
// extend methods for specific tags |
if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); |
|
for (property in methods) { |
value = methods[property]; |
if (Object.isFunction(value) && !(property in element)) |
element[property] = value.methodize(); |
} |
|
element._extendedByPrototype = Prototype.emptyFunction; |
return element; |
|
}, { |
refresh: function() { |
// extend methods for all tags (Safari doesn't need this) |
if (!Prototype.BrowserFeatures.ElementExtensions) { |
Object.extend(Methods, Element.Methods); |
Object.extend(Methods, Element.Methods.Simulated); |
} |
} |
}); |
|
extend.refresh(); |
return extend; |
})(); |
|
Element.hasAttribute = function(element, attribute) { |
if (element.hasAttribute) return element.hasAttribute(attribute); |
return Element.Methods.Simulated.hasAttribute(element, attribute); |
}; |
|
Element.addMethods = function(methods) { |
var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; |
|
if (!methods) { |
Object.extend(Form, Form.Methods); |
Object.extend(Form.Element, Form.Element.Methods); |
Object.extend(Element.Methods.ByTag, { |
"FORM": Object.clone(Form.Methods), |
"INPUT": Object.clone(Form.Element.Methods), |
"SELECT": Object.clone(Form.Element.Methods), |
"TEXTAREA": Object.clone(Form.Element.Methods) |
}); |
} |
|
if (arguments.length == 2) { |
var tagName = methods; |
methods = arguments[1]; |
} |
|
if (!tagName) Object.extend(Element.Methods, methods || { }); |
else { |
if (Object.isArray(tagName)) tagName.each(extend); |
else extend(tagName); |
} |
|
function extend(tagName) { |
tagName = tagName.toUpperCase(); |
if (!Element.Methods.ByTag[tagName]) |
Element.Methods.ByTag[tagName] = { }; |
Object.extend(Element.Methods.ByTag[tagName], methods); |
} |
|
function copy(methods, destination, onlyIfAbsent) { |
onlyIfAbsent = onlyIfAbsent || false; |
for (var property in methods) { |
var value = methods[property]; |
if (!Object.isFunction(value)) continue; |
if (!onlyIfAbsent || !(property in destination)) |
destination[property] = value.methodize(); |
} |
} |
|
function findDOMClass(tagName) { |
var klass; |
var trans = { |
"OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", |
"FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", |
"DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", |
"H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", |
"INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": |
"TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": |
"TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": |
"TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": |
"FrameSet", "IFRAME": "IFrame" |
}; |
if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; |
if (window[klass]) return window[klass]; |
klass = 'HTML' + tagName + 'Element'; |
if (window[klass]) return window[klass]; |
klass = 'HTML' + tagName.capitalize() + 'Element'; |
if (window[klass]) return window[klass]; |
|
window[klass] = { }; |
window[klass].prototype = document.createElement(tagName).__proto__; |
return window[klass]; |
} |
|
if (F.ElementExtensions) { |
copy(Element.Methods, HTMLElement.prototype); |
copy(Element.Methods.Simulated, HTMLElement.prototype, true); |
} |
|
if (F.SpecificElementExtensions) { |
for (var tag in Element.Methods.ByTag) { |
var klass = findDOMClass(tag); |
if (Object.isUndefined(klass)) continue; |
copy(T[tag], klass.prototype); |
} |
} |
|
Object.extend(Element, Element.Methods); |
delete Element.ByTag; |
|
if (Element.extend.refresh) Element.extend.refresh(); |
Element.cache = { }; |
}; |
|
document.viewport = { |
getDimensions: function() { |
var dimensions = { }; |
var B = Prototype.Browser; |
$w('width height').each(function(d) { |
var D = d.capitalize(); |
dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] : |
(B.Opera) ? document.body['client' + D] : document.documentElement['client' + D]; |
}); |
return dimensions; |
}, |
|
getWidth: function() { |
return this.getDimensions().width; |
}, |
|
getHeight: function() { |
return this.getDimensions().height; |
}, |
|
getScrollOffsets: function() { |
return Element._returnOffset( |
window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, |
window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop); |
} |
}; |
/* Portions of the Selector class are derived from Jack Slocum’s DomQuery, |
* part of YUI-Ext version 0.40, distributed under the terms of an MIT-style |
* license. Please see http://www.yui-ext.com/ for more information. */ |
|
var Selector = Class.create({ |
initialize: function(expression) { |
this.expression = expression.strip(); |
this.compileMatcher(); |
}, |
|
shouldUseXPath: function() { |
if (!Prototype.BrowserFeatures.XPath) return false; |
|
var e = this.expression; |
|
// Safari 3 chokes on :*-of-type and :empty |
if (Prototype.Browser.WebKit && |
(e.include("-of-type") || e.include(":empty"))) |
return false; |
|
// XPath can't do namespaced attributes, nor can it read |
// the "checked" property from DOM nodes |
if ((/(\[[\w-]*?:|:checked)/).test(this.expression)) |
return false; |
|
return true; |
}, |
|
compileMatcher: function() { |
if (this.shouldUseXPath()) |
return this.compileXPathMatcher(); |
|
var e = this.expression, ps = Selector.patterns, h = Selector.handlers, |
c = Selector.criteria, le, p, m; |
|
if (Selector._cache[e]) { |
this.matcher = Selector._cache[e]; |
return; |
} |
|
this.matcher = ["this.matcher = function(root) {", |
"var r = root, h = Selector.handlers, c = false, n;"]; |
|
while (e && le != e && (/\S/).test(e)) { |
le = e; |
for (var i in ps) { |
p = ps[i]; |
if (m = e.match(p)) { |
this.matcher.push(Object.isFunction(c[i]) ? c[i](m) : |
new Template(c[i]).evaluate(m)); |
e = e.replace(m[0], ''); |
break; |
} |
} |
} |
|
this.matcher.push("return h.unique(n);\n}"); |
eval(this.matcher.join('\n')); |
Selector._cache[this.expression] = this.matcher; |
}, |
|
compileXPathMatcher: function() { |
var e = this.expression, ps = Selector.patterns, |
x = Selector.xpath, le, m; |
|
if (Selector._cache[e]) { |
this.xpath = Selector._cache[e]; return; |
} |
|
this.matcher = ['.//*']; |
while (e && le != e && (/\S/).test(e)) { |
le = e; |
for (var i in ps) { |
if (m = e.match(ps[i])) { |
this.matcher.push(Object.isFunction(x[i]) ? x[i](m) : |
new Template(x[i]).evaluate(m)); |
e = e.replace(m[0], ''); |
break; |
} |
} |
} |
|
this.xpath = this.matcher.join(''); |
Selector._cache[this.expression] = this.xpath; |
}, |
|
findElements: function(root) { |
root = root || document; |
if (this.xpath) return document._getElementsByXPath(this.xpath, root); |
return this.matcher(root); |
}, |
|
match: function(element) { |
this.tokens = []; |
|
var e = this.expression, ps = Selector.patterns, as = Selector.assertions; |
var le, p, m; |
|
while (e && le !== e && (/\S/).test(e)) { |
le = e; |
for (var i in ps) { |
p = ps[i]; |
if (m = e.match(p)) { |
// use the Selector.assertions methods unless the selector |
// is too complex. |
if (as[i]) { |
this.tokens.push([i, Object.clone(m)]); |
e = e.replace(m[0], ''); |
} else { |
// reluctantly do a document-wide search |
// and look for a match in the array |
return this.findElements(document).include(element); |
} |
} |
} |
} |
|
var match = true, name, matches; |
for (var i = 0, token; token = this.tokens[i]; i++) { |
name = token[0], matches = token[1]; |
if (!Selector.assertions[name](element, matches)) { |
match = false; break; |
} |
} |
|
return match; |
}, |
|
toString: function() { |
return this.expression; |
}, |
|
inspect: function() { |
return "#<Selector:" + this.expression.inspect() + ">"; |
} |
}); |
|
Object.extend(Selector, { |
_cache: { }, |
|
xpath: { |
descendant: "//*", |
child: "/*", |
adjacent: "/following-sibling::*[1]", |
laterSibling: '/following-sibling::*', |
tagName: function(m) { |
if (m[1] == '*') return ''; |
return "[local-name()='" + m[1].toLowerCase() + |
"' or local-name()='" + m[1].toUpperCase() + "']"; |
}, |
className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", |
id: "[@id='#{1}']", |
attrPresence: function(m) { |
m[1] = m[1].toLowerCase(); |
return new Template("[@#{1}]").evaluate(m); |
}, |
attr: function(m) { |
m[1] = m[1].toLowerCase(); |
m[3] = m[5] || m[6]; |
return new Template(Selector.xpath.operators[m[2]]).evaluate(m); |
}, |
pseudo: function(m) { |
var h = Selector.xpath.pseudos[m[1]]; |
if (!h) return ''; |
if (Object.isFunction(h)) return h(m); |
return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); |
}, |
operators: { |
'=': "[@#{1}='#{3}']", |
'!=': "[@#{1}!='#{3}']", |
'^=': "[starts-with(@#{1}, '#{3}')]", |
'$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", |
'*=': "[contains(@#{1}, '#{3}')]", |
'~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", |
'|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" |
}, |
pseudos: { |
'first-child': '[not(preceding-sibling::*)]', |
'last-child': '[not(following-sibling::*)]', |
'only-child': '[not(preceding-sibling::* or following-sibling::*)]', |
'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]", |
'checked': "[@checked]", |
'disabled': "[@disabled]", |
'enabled': "[not(@disabled)]", |
'not': function(m) { |
var e = m[6], p = Selector.patterns, |
x = Selector.xpath, le, v; |
|
var exclusion = []; |
while (e && le != e && (/\S/).test(e)) { |
le = e; |
for (var i in p) { |
if (m = e.match(p[i])) { |
v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m); |
exclusion.push("(" + v.substring(1, v.length - 1) + ")"); |
e = e.replace(m[0], ''); |
break; |
} |
} |
} |
return "[not(" + exclusion.join(" and ") + ")]"; |
}, |
'nth-child': function(m) { |
return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); |
}, |
'nth-last-child': function(m) { |
return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); |
}, |
'nth-of-type': function(m) { |
return Selector.xpath.pseudos.nth("position() ", m); |
}, |
'nth-last-of-type': function(m) { |
return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); |
}, |
'first-of-type': function(m) { |
m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); |
}, |
'last-of-type': function(m) { |
m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); |
}, |
'only-of-type': function(m) { |
var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); |
}, |
nth: function(fragment, m) { |
var mm, formula = m[6], predicate; |
if (formula == 'even') formula = '2n+0'; |
if (formula == 'odd') formula = '2n+1'; |
if (mm = formula.match(/^(\d+)$/)) // digit only |
return '[' + fragment + "= " + mm[1] + ']'; |
if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
if (mm[1] == "-") mm[1] = -1; |
var a = mm[1] ? Number(mm[1]) : 1; |
var b = mm[2] ? Number(mm[2]) : 0; |
predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + |
"((#{fragment} - #{b}) div #{a} >= 0)]"; |
return new Template(predicate).evaluate({ |
fragment: fragment, a: a, b: b }); |
} |
} |
} |
}, |
|
criteria: { |
tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', |
className: 'n = h.className(n, r, "#{1}", c); c = false;', |
id: 'n = h.id(n, r, "#{1}", c); c = false;', |
attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;', |
attr: function(m) { |
m[3] = (m[5] || m[6]); |
return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m); |
}, |
pseudo: function(m) { |
if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); |
return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); |
}, |
descendant: 'c = "descendant";', |
child: 'c = "child";', |
adjacent: 'c = "adjacent";', |
laterSibling: 'c = "laterSibling";' |
}, |
|
patterns: { |
// combinators must be listed first |
// (and descendant needs to be last combinator) |
laterSibling: /^\s*~\s*/, |
child: /^\s*>\s*/, |
adjacent: /^\s*\+\s*/, |
descendant: /^\s/, |
|
// selectors follow |
tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, |
id: /^#([\w\-\*]+)(\b|$)/, |
className: /^\.([\w\-\*]+)(\b|$)/, |
pseudo: |
/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/, |
attrPresence: /^\[([\w]+)\]/, |
attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ |
}, |
|
// for Selector.match and Element#match |
assertions: { |
tagName: function(element, matches) { |
return matches[1].toUpperCase() == element.tagName.toUpperCase(); |
}, |
|
className: function(element, matches) { |
return Element.hasClassName(element, matches[1]); |
}, |
|
id: function(element, matches) { |
return element.id === matches[1]; |
}, |
|
attrPresence: function(element, matches) { |
return Element.hasAttribute(element, matches[1]); |
}, |
|
attr: function(element, matches) { |
var nodeValue = Element.readAttribute(element, matches[1]); |
return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]); |
} |
}, |
|
handlers: { |
// UTILITY FUNCTIONS |
// joins two collections |
concat: function(a, b) { |
for (var i = 0, node; node = b[i]; i++) |
a.push(node); |
return a; |
}, |
|
// marks an array of nodes for counting |
mark: function(nodes) { |
var _true = Prototype.emptyFunction; |
for (var i = 0, node; node = nodes[i]; i++) |
node._countedByPrototype = _true; |
return nodes; |
}, |
|
unmark: function(nodes) { |
for (var i = 0, node; node = nodes[i]; i++) |
node._countedByPrototype = 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._countedByPrototype = Prototype.emptyFunction; |
if (reverse) { |
for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { |
var node = nodes[i]; |
if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; |
} |
} else { |
for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) |
if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; |
} |
}, |
|
// filters out duplicates and extends all nodes |
unique: function(nodes) { |
if (nodes.length == 0) return nodes; |
var results = [], n; |
for (var i = 0, l = nodes.length; i < l; i++) |
if (!(n = nodes[i])._countedByPrototype) { |
n._countedByPrototype = Prototype.emptyFunction; |
results.push(Element.extend(n)); |
} |
return Selector.handlers.unmark(results); |
}, |
|
// COMBINATOR FUNCTIONS |
descendant: function(nodes) { |
var h = Selector.handlers; |
for (var i = 0, results = [], node; node = nodes[i]; i++) |
h.concat(results, node.getElementsByTagName('*')); |
return results; |
}, |
|
child: function(nodes) { |
var h = Selector.handlers; |
for (var i = 0, results = [], node; node = nodes[i]; i++) { |
for (var j = 0, child; child = node.childNodes[j]; j++) |
if (child.nodeType == 1 && child.tagName != '!') results.push(child); |
} |
return results; |
}, |
|
adjacent: function(nodes) { |
for (var i = 0, results = [], node; node = nodes[i]; i++) { |
var next = this.nextElementSibling(node); |
if (next) results.push(next); |
} |
return results; |
}, |
|
laterSibling: function(nodes) { |
var h = Selector.handlers; |
for (var i = 0, results = [], node; node = nodes[i]; i++) |
h.concat(results, Element.nextSiblings(node)); |
return results; |
}, |
|
nextElementSibling: function(node) { |
while (node = node.nextSibling) |
if (node.nodeType == 1) return node; |
return null; |
}, |
|
previousElementSibling: function(node) { |
while (node = node.previousSibling) |
if (node.nodeType == 1) return node; |
return null; |
}, |
|
// TOKEN FUNCTIONS |
tagName: function(nodes, root, tagName, combinator) { |
var uTagName = tagName.toUpperCase(); |
var results = [], h = Selector.handlers; |
if (nodes) { |
if (combinator) { |
// fastlane for ordinary descendant combinators |
if (combinator == "descendant") { |
for (var i = 0, node; node = nodes[i]; i++) |
h.concat(results, node.getElementsByTagName(tagName)); |
return results; |
} else nodes = this[combinator](nodes); |
if (tagName == "*") return nodes; |
} |
for (var i = 0, node; node = nodes[i]; i++) |
if (node.tagName.toUpperCase() === uTagName) results.push(node); |
return results; |
} else return root.getElementsByTagName(tagName); |
}, |
|
id: function(nodes, root, id, combinator) { |
var targetNode = $(id), h = Selector.handlers; |
if (!targetNode) return []; |
if (!nodes && root == document) return [targetNode]; |
if (nodes) { |
if (combinator) { |
if (combinator == 'child') { |
for (var i = 0, node; node = nodes[i]; i++) |
if (targetNode.parentNode == node) return [targetNode]; |
} else if (combinator == 'descendant') { |
for (var i = 0, node; node = nodes[i]; i++) |
if (Element.descendantOf(targetNode, node)) return [targetNode]; |
} else if (combinator == 'adjacent') { |
for (var i = 0, node; node = nodes[i]; i++) |
if (Selector.handlers.previousElementSibling(targetNode) == node) |
return [targetNode]; |
} else nodes = h[combinator](nodes); |
} |
for (var i = 0, node; node = nodes[i]; i++) |
if (node == targetNode) return [targetNode]; |
return []; |
} |
return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; |
}, |
|
className: function(nodes, root, className, combinator) { |
if (nodes && combinator) nodes = this[combinator](nodes); |
return Selector.handlers.byClassName(nodes, root, className); |
}, |
|
byClassName: function(nodes, root, className) { |
if (!nodes) nodes = Selector.handlers.descendant([root]); |
var needle = ' ' + className + ' '; |
for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { |
nodeClassName = node.className; |
if (nodeClassName.length == 0) continue; |
if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) |
results.push(node); |
} |
return results; |
}, |
|
attrPresence: function(nodes, root, attr, combinator) { |
if (!nodes) nodes = root.getElementsByTagName("*"); |
if (nodes && combinator) nodes = this[combinator](nodes); |
var results = []; |
for (var i = 0, node; node = nodes[i]; i++) |
if (Element.hasAttribute(node, attr)) results.push(node); |
return results; |
}, |
|
attr: function(nodes, root, attr, value, operator, combinator) { |
if (!nodes) nodes = root.getElementsByTagName("*"); |
if (nodes && combinator) nodes = this[combinator](nodes); |
var handler = Selector.operators[operator], results = []; |
for (var i = 0, node; node = nodes[i]; i++) { |
var nodeValue = Element.readAttribute(node, attr); |
if (nodeValue === null) continue; |
if (handler(nodeValue, value)) results.push(node); |
} |
return results; |
}, |
|
pseudo: function(nodes, name, value, root, combinator) { |
if (nodes && combinator) nodes = this[combinator](nodes); |
if (!nodes) nodes = root.getElementsByTagName("*"); |
return Selector.pseudos[name](nodes, value, root); |
} |
}, |
|
pseudos: { |
'first-child': function(nodes, value, root) { |
for (var i = 0, results = [], node; node = nodes[i]; i++) { |
if (Selector.handlers.previousElementSibling(node)) continue; |
results.push(node); |
} |
return results; |
}, |
'last-child': function(nodes, value, root) { |
for (var i = 0, results = [], node; node = nodes[i]; i++) { |
if (Selector.handlers.nextElementSibling(node)) continue; |
results.push(node); |
} |
return results; |
}, |
'only-child': function(nodes, value, root) { |
var h = Selector.handlers; |
for (var i = 0, results = [], node; node = nodes[i]; i++) |
if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) |
results.push(node); |
return results; |
}, |
'nth-child': function(nodes, formula, root) { |
return Selector.pseudos.nth(nodes, formula, root); |
}, |
'nth-last-child': function(nodes, formula, root) { |
return Selector.pseudos.nth(nodes, formula, root, true); |
}, |
'nth-of-type': function(nodes, formula, root) { |
return Selector.pseudos.nth(nodes, formula, root, false, true); |
}, |
'nth-last-of-type': function(nodes, formula, root) { |
return Selector.pseudos.nth(nodes, formula, root, true, true); |
}, |
'first-of-type': function(nodes, formula, root) { |
return Selector.pseudos.nth(nodes, "1", root, false, true); |
}, |
'last-of-type': function(nodes, formula, root) { |
return Selector.pseudos.nth(nodes, "1", root, true, true); |
}, |
'only-of-type': function(nodes, formula, root) { |
var p = Selector.pseudos; |
return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); |
}, |
|
// handles the an+b logic |
getIndices: function(a, b, total) { |
if (a == 0) return b > 0 ? [b] : []; |
return $R(1, total).inject([], function(memo, i) { |
if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); |
return memo; |
}); |
}, |
|
// handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type |
nth: function(nodes, formula, root, reverse, ofType) { |
if (nodes.length == 0) return []; |
if (formula == 'even') formula = '2n+0'; |
if (formula == 'odd') formula = '2n+1'; |
var h = Selector.handlers, results = [], indexed = [], m; |
h.mark(nodes); |
for (var i = 0, node; node = nodes[i]; i++) { |
if (!node.parentNode._countedByPrototype) { |
h.index(node.parentNode, reverse, ofType); |
indexed.push(node.parentNode); |
} |
} |
if (formula.match(/^\d+$/)) { // just a number |
formula = Number(formula); |
for (var i = 0, node; node = nodes[i]; i++) |
if (node.nodeIndex == formula) results.push(node); |
} else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
if (m[1] == "-") m[1] = -1; |
var a = m[1] ? Number(m[1]) : 1; |
var b = m[2] ? Number(m[2]) : 0; |
var indices = Selector.pseudos.getIndices(a, b, nodes.length); |
for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { |
for (var j = 0; j < l; j++) |
if (node.nodeIndex == indices[j]) results.push(node); |
} |
} |
h.unmark(nodes); |
h.unmark(indexed); |
return results; |
}, |
|
'empty': function(nodes, value, root) { |
for (var i = 0, results = [], node; node = nodes[i]; i++) { |
// IE treats comments as element nodes |
if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue; |
results.push(node); |
} |
return results; |
}, |
|
'not': function(nodes, selector, root) { |
var h = Selector.handlers, selectorType, m; |
var exclusions = new Selector(selector).findElements(root); |
h.mark(exclusions); |
for (var i = 0, results = [], node; node = nodes[i]; i++) |
if (!node._countedByPrototype) results.push(node); |
h.unmark(exclusions); |
return results; |
}, |
|
'enabled': function(nodes, value, root) { |
for (var i = 0, results = [], node; node = nodes[i]; i++) |
if (!node.disabled) results.push(node); |
return results; |
}, |
|
'disabled': function(nodes, value, root) { |
for (var i = 0, results = [], node; node = nodes[i]; i++) |
if (node.disabled) results.push(node); |
return results; |
}, |
|
'checked': function(nodes, value, root) { |
for (var i = 0, results = [], node; node = nodes[i]; i++) |
if (node.checked) results.push(node); |
return results; |
} |
}, |
|
operators: { |
'=': function(nv, v) { return nv == v; }, |
'!=': function(nv, v) { return nv != v; }, |
'^=': function(nv, v) { return nv.startsWith(v); }, |
'$=': 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() + '-'); } |
}, |
|
split: function(expression) { |
var expressions = []; |
expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { |
expressions.push(m[1].strip()); |
}); |
return expressions; |
}, |
|
matchElements: function(elements, expression) { |
var matches = $$(expression), h = Selector.handlers; |
h.mark(matches); |
for (var i = 0, results = [], element; element = elements[i]; i++) |
if (element._countedByPrototype) results.push(element); |
h.unmark(matches); |
return results; |
}, |
|
findElement: function(elements, expression, index) { |
if (Object.isNumber(expression)) { |
index = expression; expression = false; |
} |
return Selector.matchElements(elements, expression || '*')[index || 0]; |
}, |
|
findChildElements: function(element, expressions) { |
expressions = Selector.split(expressions.join(',')); |
var results = [], h = Selector.handlers; |
for (var i = 0, l = expressions.length, selector; i < l; i++) { |
selector = new Selector(expressions[i].strip()); |
h.concat(results, selector.findElements(element)); |
} |
return (l > 1) ? h.unique(results) : results; |
} |
}); |
|
if (Prototype.Browser.IE) { |
Object.extend(Selector.handlers, { |
// IE returns comment nodes on getElementsByTagName("*"). |
// Filter them out. |
concat: function(a, b) { |
for (var i = 0, node; node = b[i]; i++) |
if (node.tagName !== "!") a.push(node); |
return a; |
}, |
|
// IE improperly serializes _countedByPrototype in (inner|outer)HTML. |
unmark: function(nodes) { |
for (var i = 0, node; node = nodes[i]; i++) |
node.removeAttribute('_countedByPrototype'); |
return nodes; |
} |
}); |
} |
|
function $$() { |
return Selector.findChildElements(document, $A(arguments)); |
} |
var Form = { |
reset: function(form) { |
$(form).reset(); |
return form; |
}, |
|
serializeElements: function(elements, options) { |
if (typeof options != 'object') options = { hash: !!options }; |
else if (Object.isUndefined(options.hash)) options.hash = true; |
var key, value, submitted = false, submit = options.submit; |
|
var data = elements.inject({ }, function(result, element) { |
if (!element.disabled && element.name) { |
key = element.name; value = $(element).getValue(); |
if (value != null && (element.type != 'submit' || (!submitted && |
submit !== false && (!submit || key == submit) && (submitted = true)))) { |
if (key in result) { |
// a key is already present; construct an array of values |
if (!Object.isArray(result[key])) result[key] = [result[key]]; |
result[key].push(value); |
} |
else result[key] = value; |
} |
} |
return result; |
}); |
|
return options.hash ? data : Object.toQueryString(data); |
} |
}; |
|
Form.Methods = { |
serialize: function(form, options) { |
return Form.serializeElements(Form.getElements(form), options); |
}, |
|
getElements: function(form) { |
return $A($(form).getElementsByTagName('*')).inject([], |
function(elements, child) { |
if (Form.Element.Serializers[child.tagName.toLowerCase()]) |
elements.push(Element.extend(child)); |
return elements; |
} |
); |
}, |
|
getInputs: function(form, typeName, name) { |
form = $(form); |
var inputs = form.getElementsByTagName('input'); |
|
if (!typeName && !name) return $A(inputs).map(Element.extend); |
|
for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { |
var input = inputs[i]; |
if ((typeName && input.type != typeName) || (name && input.name != name)) |
continue; |
matchingInputs.push(Element.extend(input)); |
} |
|
return matchingInputs; |
}, |
|
disable: function(form) { |
form = $(form); |
Form.getElements(form).invoke('disable'); |
return form; |
}, |
|
enable: function(form) { |
form = $(form); |
Form.getElements(form).invoke('enable'); |
return form; |
}, |
|
findFirstElement: function(form) { |
var elements = $(form).getElements().findAll(function(element) { |
return 'hidden' != element.type && !element.disabled; |
}); |
var firstByIndex = elements.findAll(function(element) { |
return element.hasAttribute('tabIndex') && element.tabIndex >= 0; |
}).sortBy(function(element) { return element.tabIndex }).first(); |
|
return firstByIndex ? firstByIndex : elements.find(function(element) { |
return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); |
}); |
}, |
|
focusFirstElement: function(form) { |
form = $(form); |
form.findFirstElement().activate(); |
return form; |
}, |
|
request: function(form, options) { |
form = $(form), options = Object.clone(options || { }); |
|
var params = options.parameters, action = form.readAttribute('action') || ''; |
if (action.blank()) action = window.location.href; |
options.parameters = form.serialize(true); |
|
if (params) { |
if (Object.isString(params)) params = params.toQueryParams(); |
Object.extend(options.parameters, params); |
} |
|
if (form.hasAttribute('method') && !options.method) |
options.method = form.method; |
|
return new Ajax.Request(action, options); |
} |
}; |
|
/*--------------------------------------------------------------------------*/ |
|
Form.Element = { |
focus: function(element) { |
$(element).focus(); |
return element; |
}, |
|
select: function(element) { |
$(element).select(); |
return element; |
} |
}; |
|
Form.Element.Methods = { |
serialize: function(element) { |
element = $(element); |
if (!element.disabled && element.name) { |
var value = element.getValue(); |
if (value != undefined) { |
var pair = { }; |
pair[element.name] = value; |
return Object.toQueryString(pair); |
} |
} |
return ''; |
}, |
|
getValue: function(element) { |
element = $(element); |
var method = element.tagName.toLowerCase(); |
return Form.Element.Serializers[method](element); |
}, |
|
setValue: function(element, value) { |
element = $(element); |
var method = element.tagName.toLowerCase(); |
Form.Element.Serializers[method](element, value); |
return element; |
}, |
|
clear: function(element) { |
$(element).value = ''; |
return element; |
}, |
|
present: function(element) { |
return $(element).value != ''; |
}, |
|
activate: function(element) { |
element = $(element); |
try { |
element.focus(); |
if (element.select && (element.tagName.toLowerCase() != 'input' || |
!['button', 'reset', 'submit'].include(element.type))) |
element.select(); |
} catch (e) { } |
return element; |
}, |
|
disable: function(element) { |
element = $(element); |
element.blur(); |
element.disabled = true; |
return element; |
}, |
|
enable: function(element) { |
element = $(element); |
element.disabled = false; |
return element; |
} |
}; |
|
/*--------------------------------------------------------------------------*/ |
|
var Field = Form.Element; |
var $F = Form.Element.Methods.getValue; |
|
/*--------------------------------------------------------------------------*/ |
|
Form.Element.Serializers = { |
input: function(element, value) { |
switch (element.type.toLowerCase()) { |
case 'checkbox': |
case 'radio': |
return Form.Element.Serializers.inputSelector(element, value); |
default: |
return Form.Element.Serializers.textarea(element, value); |
} |
}, |
|
inputSelector: function(element, value) { |
if (Object.isUndefined(value)) return element.checked ? element.value : null; |
else element.checked = !!value; |
}, |
|
textarea: function(element, value) { |
if (Object.isUndefined(value)) return element.value; |
else element.value = value; |
}, |
|
select: function(element, index) { |
if (Object.isUndefined(index)) |
return this[element.type == 'select-one' ? |
'selectOne' : 'selectMany'](element); |
else { |
var opt, value, single = !Object.isArray(index); |
for (var i = 0, length = element.length; i < length; i++) { |
opt = element.options[i]; |
value = this.optionValue(opt); |
if (single) { |
if (value == index) { |
opt.selected = true; |
return; |
} |
} |
else opt.selected = index.include(value); |
} |
} |
}, |
|
selectOne: function(element) { |
var index = element.selectedIndex; |
return index >= 0 ? this.optionValue(element.options[index]) : null; |
}, |
|
selectMany: function(element) { |
var values, length = element.length; |
if (!length) return null; |
|
for (var i = 0, values = []; i < length; i++) { |
var opt = element.options[i]; |
if (opt.selected) values.push(this.optionValue(opt)); |
} |
return values; |
}, |
|
optionValue: function(opt) { |
// extend element because hasAttribute may not be native |
return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; |
} |
}; |
|
/*--------------------------------------------------------------------------*/ |
|
Abstract.TimedObserver = Class.create(PeriodicalExecuter, { |
initialize: function($super, element, frequency, callback) { |
$super(callback, frequency); |
this.element = $(element); |
this.lastValue = this.getValue(); |
}, |
|
execute: function() { |
var value = this.getValue(); |
if (Object.isString(this.lastValue) && Object.isString(value) ? |
this.lastValue != value : String(this.lastValue) != String(value)) { |
this.callback(this.element, value); |
this.lastValue = value; |
} |
} |
}); |
|
Form.Element.Observer = Class.create(Abstract.TimedObserver, { |
getValue: function() { |
return Form.Element.getValue(this.element); |
} |
}); |
|
Form.Observer = Class.create(Abstract.TimedObserver, { |
getValue: function() { |
return Form.serialize(this.element); |
} |
}); |
|
/*--------------------------------------------------------------------------*/ |
|
Abstract.EventObserver = Class.create({ |
initialize: function(element, callback) { |
this.element = $(element); |
this.callback = callback; |
|
this.lastValue = this.getValue(); |
if (this.element.tagName.toLowerCase() == 'form') |
this.registerFormCallbacks(); |
else |
this.registerCallback(this.element); |
}, |
|
onElementEvent: function() { |
var value = this.getValue(); |
if (this.lastValue != value) { |
this.callback(this.element, value); |
this.lastValue = value; |
} |
}, |
|
registerFormCallbacks: function() { |
Form.getElements(this.element).each(this.registerCallback, this); |
}, |
|
registerCallback: function(element) { |
if (element.type) { |
switch (element.type.toLowerCase()) { |
case 'checkbox': |
case 'radio': |
Event.observe(element, 'click', this.onElementEvent.bind(this)); |
break; |
default: |
Event.observe(element, 'change', this.onElementEvent.bind(this)); |
break; |
} |
} |
} |
}); |
|
Form.Element.EventObserver = Class.create(Abstract.EventObserver, { |
getValue: function() { |
return Form.Element.getValue(this.element); |
} |
}); |
|
Form.EventObserver = Class.create(Abstract.EventObserver, { |
getValue: function() { |
return Form.serialize(this.element); |
} |
}); |
if (!window.Event) var Event = { }; |
|
Object.extend(Event, { |
KEY_BACKSPACE: 8, |
KEY_TAB: 9, |
KEY_RETURN: 13, |
KEY_ESC: 27, |
KEY_LEFT: 37, |
KEY_UP: 38, |
KEY_RIGHT: 39, |
KEY_DOWN: 40, |
KEY_DELETE: 46, |
KEY_HOME: 36, |
KEY_END: 35, |
KEY_PAGEUP: 33, |
KEY_PAGEDOWN: 34, |
KEY_INSERT: 45, |
|
cache: { }, |
|
relatedTarget: function(event) { |
var element; |
switch(event.type) { |
case 'mouseover': element = event.fromElement; break; |
case 'mouseout': element = event.toElement; break; |
default: return null; |
} |
return Element.extend(element); |
} |
}); |
|
Event.Methods = (function() { |
var isButton; |
|
if (Prototype.Browser.IE) { |
var buttonMap = { 0: 1, 1: 4, 2: 2 }; |
isButton = function(event, code) { |
return event.button == buttonMap[code]; |
}; |
|
} else if (Prototype.Browser.WebKit) { |
isButton = function(event, code) { |
switch (code) { |
case 0: return event.which == 1 && !event.metaKey; |
case 1: return event.which == 1 && event.metaKey; |
default: return false; |
} |
}; |
|
} else { |
isButton = function(event, code) { |
return event.which ? (event.which === code + 1) : (event.button === code); |
}; |
} |
|
return { |
isLeftClick: function(event) { return isButton(event, 0) }, |
isMiddleClick: function(event) { return isButton(event, 1) }, |
isRightClick: function(event) { return isButton(event, 2) }, |
|
element: function(event) { |
var node = Event.extend(event).target; |
return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node); |
}, |
|
findElement: function(event, expression) { |
var element = Event.element(event); |
if (!expression) return element; |
var elements = [element].concat(element.ancestors()); |
return Selector.findElement(elements, expression, 0); |
}, |
|
pointer: function(event) { |
return { |
x: event.pageX || (event.clientX + |
(document.documentElement.scrollLeft || document.body.scrollLeft)), |
y: event.pageY || (event.clientY + |
(document.documentElement.scrollTop || document.body.scrollTop)) |
}; |
}, |
|
pointerX: function(event) { return Event.pointer(event).x }, |
pointerY: function(event) { return Event.pointer(event).y }, |
|
stop: function(event) { |
Event.extend(event); |
event.preventDefault(); |
event.stopPropagation(); |
event.stopped = true; |
} |
}; |
})(); |
|
Event.extend = (function() { |
var methods = Object.keys(Event.Methods).inject({ }, function(m, name) { |
m[name] = Event.Methods[name].methodize(); |
return m; |
}); |
|
if (Prototype.Browser.IE) { |
Object.extend(methods, { |
stopPropagation: function() { this.cancelBubble = true }, |
preventDefault: function() { this.returnValue = false }, |
inspect: function() { return "[object Event]" } |
}); |
|
return function(event) { |
if (!event) return false; |
if (event._extendedByPrototype) return event; |
|
event._extendedByPrototype = Prototype.emptyFunction; |
var pointer = Event.pointer(event); |
Object.extend(event, { |
target: event.srcElement, |
relatedTarget: Event.relatedTarget(event), |
pageX: pointer.x, |
pageY: pointer.y |
}); |
return Object.extend(event, methods); |
}; |
|
} else { |
Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__; |
Object.extend(Event.prototype, methods); |
return Prototype.K; |
} |
})(); |
|
Object.extend(Event, (function() { |
var cache = Event.cache; |
|
function getEventID(element) { |
if (element._prototypeEventID) return element._prototypeEventID[0]; |
arguments.callee.id = arguments.callee.id || 1; |
return element._prototypeEventID = [++arguments.callee.id]; |
} |
|
function getDOMEventName(eventName) { |
if (eventName && eventName.include(':')) return "dataavailable"; |
return eventName; |
} |
|
function getCacheForID(id) { |
return cache[id] = cache[id] || { }; |
} |
|
function getWrappersForEventName(id, eventName) { |
var c = getCacheForID(id); |
return c[eventName] = c[eventName] || []; |
} |
|
function createWrapper(element, eventName, handler) { |
var id = getEventID(element); |
var c = getWrappersForEventName(id, eventName); |
if (c.pluck("handler").include(handler)) return false; |
|
var wrapper = function(event) { |
if (!Event || !Event.extend || |
(event.eventName && event.eventName != eventName)) |
return false; |
|
Event.extend(event); |
handler.call(element, event); |
}; |
|
wrapper.handler = handler; |
c.push(wrapper); |
return wrapper; |
} |
|
function findWrapper(id, eventName, handler) { |
var c = getWrappersForEventName(id, eventName); |
return c.find(function(wrapper) { return wrapper.handler == handler }); |
} |
|
function destroyWrapper(id, eventName, handler) { |
var c = getCacheForID(id); |
if (!c[eventName]) return false; |
c[eventName] = c[eventName].without(findWrapper(id, eventName, handler)); |
} |
|
function destroyCache() { |
for (var id in cache) |
for (var eventName in cache[id]) |
cache[id][eventName] = null; |
} |
|
if (window.attachEvent) { |
window.attachEvent("onunload", destroyCache); |
} |
|
return { |
observe: function(element, eventName, handler) { |
element = $(element); |
var name = getDOMEventName(eventName); |
|
var wrapper = createWrapper(element, eventName, handler); |
if (!wrapper) return element; |
|
if (element.addEventListener) { |
element.addEventListener(name, wrapper, false); |
} else { |
element.attachEvent("on" + name, wrapper); |
} |
|
return element; |
}, |
|
stopObserving: function(element, eventName, handler) { |
element = $(element); |
var id = getEventID(element), name = getDOMEventName(eventName); |
|
if (!handler && eventName) { |
getWrappersForEventName(id, eventName).each(function(wrapper) { |
element.stopObserving(eventName, wrapper.handler); |
}); |
return element; |
|
} else if (!eventName) { |
Object.keys(getCacheForID(id)).each(function(eventName) { |
element.stopObserving(eventName); |
}); |
return element; |
} |
|
var wrapper = findWrapper(id, eventName, handler); |
if (!wrapper) return element; |
|
if (element.removeEventListener) { |
element.removeEventListener(name, wrapper, false); |
} else { |
element.detachEvent("on" + name, wrapper); |
} |
|
destroyWrapper(id, eventName, handler); |
|
return element; |
}, |
|
fire: function(element, eventName, memo) { |
element = $(element); |
if (element == document && document.createEvent && !element.dispatchEvent) |
element = document.documentElement; |
|
var event; |
if (document.createEvent) { |
event = document.createEvent("HTMLEvents"); |
event.initEvent("dataavailable", true, true); |
} else { |
event = document.createEventObject(); |
event.eventType = "ondataavailable"; |
} |
|
event.eventName = eventName; |
event.memo = memo || { }; |
|
if (document.createEvent) { |
element.dispatchEvent(event); |
} else { |
element.fireEvent(event.eventType, event); |
} |
|
return Event.extend(event); |
} |
}; |
})()); |
|
Object.extend(Event, Event.Methods); |
|
Element.addMethods({ |
fire: Event.fire, |
observe: Event.observe, |
stopObserving: Event.stopObserving |
}); |
|
Object.extend(document, { |
fire: Element.Methods.fire.methodize(), |
observe: Element.Methods.observe.methodize(), |
stopObserving: Element.Methods.stopObserving.methodize(), |
loaded: false |
}); |
|
(function() { |
/* Support for the DOMContentLoaded event is based on work by Dan Webb, |
Matthias Miller, Dean Edwards and John Resig. */ |
|
var timer; |
|
function fireContentLoadedEvent() { |
if (document.loaded) return; |
if (timer) window.clearInterval(timer); |
document.fire("dom:loaded"); |
document.loaded = true; |
} |
|
if (document.addEventListener) { |
if (Prototype.Browser.WebKit) { |
timer = window.setInterval(function() { |
if (/loaded|complete/.test(document.readyState)) |
fireContentLoadedEvent(); |
}, 0); |
|
Event.observe(window, "load", fireContentLoadedEvent); |
|
} else { |
document.addEventListener("DOMContentLoaded", |
fireContentLoadedEvent, false); |
} |
|
} else { |
document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>"); |
$("__onDOMContentLoaded").onreadystatechange = function() { |
if (this.readyState == "complete") { |
this.onreadystatechange = null; |
fireContentLoadedEvent(); |
} |
}; |
} |
})(); |
/*------------------------------- DEPRECATED -------------------------------*/ |
|
Hash.toQueryString = Object.toQueryString; |
|
var Toggle = { display: Element.toggle }; |
|
Element.Methods.childOf = Element.Methods.descendantOf; |
|
var Insertion = { |
Before: function(element, content) { |
return Element.insert(element, {before:content}); |
}, |
|
Top: function(element, content) { |
return Element.insert(element, {top:content}); |
}, |
|
Bottom: function(element, content) { |
return Element.insert(element, {bottom:content}); |
}, |
|
After: function(element, content) { |
return Element.insert(element, {after:content}); |
} |
}; |
|
var $continue = new Error('"throw $continue" is deprecated, use "return" instead'); |
|
// This should be moved to script.aculo.us; notice the deprecated methods |
// further below, that map to the newer Element methods. |
var Position = { |
// set to true if needed, warning: firefox performance problems |
// NOT neeeded for page scrolling, only if draggable contained in |
// scrollable elements |
includeScrollOffsets: false, |
|
// must be called before calling withinIncludingScrolloffset, every time the |
// page is scrolled |
prepare: function() { |
this.deltaX = window.pageXOffset |
|| document.documentElement.scrollLeft |
|| document.body.scrollLeft |
|| 0; |
this.deltaY = window.pageYOffset |
|| document.documentElement.scrollTop |
|| document.body.scrollTop |
|| 0; |
}, |
|
// caches x/y coordinate pair to use with overlap |
within: function(element, x, y) { |
if (this.includeScrollOffsets) |
return this.withinIncludingScrolloffsets(element, x, y); |
this.xcomp = x; |
this.ycomp = y; |
this.offset = Element.cumulativeOffset(element); |
|
return (y >= this.offset[1] && |
y < this.offset[1] + element.offsetHeight && |
x >= this.offset[0] && |
x < this.offset[0] + element.offsetWidth); |
}, |
|
withinIncludingScrolloffsets: function(element, x, y) { |
var offsetcache = Element.cumulativeScrollOffset(element); |
|
this.xcomp = x + offsetcache[0] - this.deltaX; |
this.ycomp = y + offsetcache[1] - this.deltaY; |
this.offset = Element.cumulativeOffset(element); |
|
return (this.ycomp >= this.offset[1] && |
this.ycomp < this.offset[1] + element.offsetHeight && |
this.xcomp >= this.offset[0] && |
this.xcomp < this.offset[0] + element.offsetWidth); |
}, |
|
// within must be called directly before |
overlap: function(mode, element) { |
if (!mode) return 0; |
if (mode == 'vertical') |
return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
element.offsetHeight; |
if (mode == 'horizontal') |
return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
element.offsetWidth; |
}, |
|
// Deprecation layer -- use newer Element methods now (1.5.2). |
|
cumulativeOffset: Element.Methods.cumulativeOffset, |
|
positionedOffset: Element.Methods.positionedOffset, |
|
absolutize: function(element) { |
Position.prepare(); |
return Element.absolutize(element); |
}, |
|
relativize: function(element) { |
Position.prepare(); |
return Element.relativize(element); |
}, |
|
realOffset: Element.Methods.cumulativeScrollOffset, |
|
offsetParent: Element.Methods.getOffsetParent, |
|
page: Element.Methods.viewportOffset, |
|
clone: function(source, target, options) { |
options = options || { }; |
return Element.clonePosition(target, source, options); |
} |
}; |
|
/*--------------------------------------------------------------------------*/ |
|
if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){ |
function iter(name) { |
return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]"; |
} |
|
instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ? |
function(element, className) { |
className = className.toString().strip(); |
var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className); |
return cond ? document._getElementsByXPath('.//*' + cond, element) : []; |
} : function(element, className) { |
className = className.toString().strip(); |
var elements = [], classNames = (/\s/.test(className) ? $w(className) : null); |
if (!classNames && !className) return elements; |
|
var nodes = $(element).getElementsByTagName('*'); |
className = ' ' + className + ' '; |
|
for (var i = 0, child, cn; child = nodes[i]; i++) { |
if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) || |
(classNames && classNames.all(function(name) { |
return !name.toString().blank() && cn.include(' ' + name + ' '); |
})))) |
elements.push(Element.extend(child)); |
} |
return elements; |
}; |
|
return function(className, parentElement) { |
return $(parentElement || document.body).getElementsByClassName(className); |
}; |
}(Element.Methods); |
|
/*--------------------------------------------------------------------------*/ |
|
Element.ClassNames = Class.create(); |
Element.ClassNames.prototype = { |
initialize: function(element) { |
this.element = $(element); |
}, |
|
_each: function(iterator) { |
this.element.className.split(/\s+/).select(function(name) { |
return name.length > 0; |
})._each(iterator); |
}, |
|
set: function(className) { |
this.element.className = className; |
}, |
|
add: function(classNameToAdd) { |
if (this.include(classNameToAdd)) return; |
this.set($A(this).concat(classNameToAdd).join(' ')); |
}, |
|
remove: function(classNameToRemove) { |
if (!this.include(classNameToRemove)) return; |
this.set($A(this).without(classNameToRemove).join(' ')); |
}, |
|
toString: function() { |
return $A(this).join(' '); |
} |
}; |
|
Object.extend(Element.ClassNames.prototype, Enumerable); |
|
/*--------------------------------------------------------------------------*/ |
|
Element.addMethods(); |