Apache-UploadMeter/lib/Apache/UploadMeter/Resources/JavaScript.pm
package Apache::UploadMeter::Resources::JavaScript;
# Static resources (JavaScript) for the UploadMeter widget
use strict;
use warnings;
use Apache2::RequestRec ();
use Apache2::RequestIO ();
use Apache2::Response ();
use Apache2::Const -compile=>qw(:common);
sub prototype {
my $r = shift;
$r->content_type("application/x-javascript");
$r->set_etag();
return Apache2::Const::OK if $r->header_only();
my $output=<<'PROTO-END';
/* Prototype JavaScript framework, version 1.5.0
* (c) 2005-2007 Sam Stephenson
*
* Prototype is freely distributable under the terms of an MIT-style license.
* For details, see the Prototype web site: http://prototype.conio.net/
*
/*--------------------------------------------------------------------------*/
var Prototype = {
Version: '1.5.0',
BrowserFeatures: {
XPath: !!document.evaluate
},
ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
emptyFunction: function() {},
K: function(x) { return x }
}
var Class = {
create: function() {
return function() {
this.initialize.apply(this, arguments);
}
}
}
var Abstract = new Object();
Object.extend = function(destination, source) {
for (var property in source) {
destination[property] = source[property];
}
return destination;
}
Object.extend(Object, {
inspect: function(object) {
try {
if (object === undefined) return 'undefined';
if (object === null) return 'null';
return object.inspect ? object.inspect() : object.toString();
} catch (e) {
if (e instanceof RangeError) return '...';
throw e;
}
},
keys: function(object) {
var keys = [];
for (var property in object)
keys.push(property);
return keys;
},
values: function(object) {
var values = [];
for (var property in object)
values.push(object[property]);
return values;
},
clone: function(object) {
return Object.extend({}, object);
}
});
Function.prototype.bind = function() {
var __method = this, args = $A(arguments), object = args.shift();
return function() {
return __method.apply(object, args.concat($A(arguments)));
}
}
Function.prototype.bindAsEventListener = function(object) {
var __method = this, args = $A(arguments), object = args.shift();
return function(event) {
return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments)));
}
}
Object.extend(Number.prototype, {
toColorPart: function() {
var digits = this.toString(16);
if (this < 16) return '0' + digits;
return digits;
},
succ: function() {
return this + 1;
},
times: function(iterator) {
$R(0, this, true).each(iterator);
return this;
}
});
var Try = {
these: function() {
var returnValue;
for (var i = 0, length = arguments.length; i < length; i++) {
var lambda = arguments[i];
try {
returnValue = lambda();
break;
} catch (e) {}
}
return returnValue;
}
}
/*--------------------------------------------------------------------------*/
var PeriodicalExecuter = Class.create();
PeriodicalExecuter.prototype = {
initialize: function(callback, frequency) {
this.callback = callback;
this.frequency = frequency;
this.currentlyExecuting = false;
this.registerCallback();
},
registerCallback: function() {
this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
},
stop: function() {
if (!this.timer) return;
clearInterval(this.timer);
this.timer = null;
},
onTimerEvent: function() {
if (!this.currentlyExecuting) {
try {
this.currentlyExecuting = true;
this.callback(this);
} finally {
this.currentlyExecuting = false;
}
}
}
}
String.interpret = function(value){
return value == null ? '' : String(value);
}
Object.extend(String.prototype, {
gsub: function(pattern, replacement) {
var result = '', source = this, match;
replacement = arguments.callee.prepareReplacement(replacement);
while (source.length > 0) {
if (match = source.match(pattern)) {
result += source.slice(0, match.index);
result += String.interpret(replacement(match));
source = source.slice(match.index + match[0].length);
} else {
result += source, source = '';
}
}
return result;
},
sub: function(pattern, replacement, count) {
replacement = this.gsub.prepareReplacement(replacement);
count = count === undefined ? 1 : count;
return this.gsub(pattern, function(match) {
if (--count < 0) return match[0];
return replacement(match);
});
},
scan: function(pattern, iterator) {
this.gsub(pattern, iterator);
return this;
},
truncate: function(length, truncation) {
length = length || 30;
truncation = truncation === undefined ? '...' : truncation;
return this.length > length ?
this.slice(0, length - truncation.length) + truncation : this;
},
strip: function() {
return this.replace(/^\s+/, '').replace(/\s+$/, '');
},
stripTags: function() {
return this.replace(/<\/?[^>]+>/gi, '');
},
stripScripts: function() {
return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
},
extractScripts: function() {
var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
return (this.match(matchAll) || []).map(function(scriptTag) {
return (scriptTag.match(matchOne) || ['', ''])[1];
});
},
evalScripts: function() {
return this.extractScripts().map(function(script) { return eval(script) });
},
escapeHTML: function() {
var div = document.createElement('div');
var text = document.createTextNode(this);
div.appendChild(text);
return div.innerHTML;
},
unescapeHTML: function() {
var div = document.createElement('div');
div.innerHTML = this.stripTags();
return div.childNodes[0] ? (div.childNodes.length > 1 ?
$A(div.childNodes).inject('',function(memo,node){ return memo+node.nodeValue }) :
div.childNodes[0].nodeValue) : '';
},
toQueryParams: function(separator) {
var match = this.strip().match(/([^?#]*)(#.*)?$/);
if (!match) return {};
return match[1].split(separator || '&').inject({}, function(hash, pair) {
if ((pair = pair.split('='))[0]) {
var name = decodeURIComponent(pair[0]);
var value = pair[1] ? decodeURIComponent(pair[1]) : undefined;
if (hash[name] !== undefined) {
if (hash[name].constructor != Array)
hash[name] = [hash[name]];
if (value) hash[name].push(value);
}
else hash[name] = value;
}
return hash;
});
},
toArray: function() {
return this.split('');
},
succ: function() {
return this.slice(0, this.length - 1) +
String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
},
camelize: function() {
var parts = this.split('-'), len = parts.length;
if (len == 1) return parts[0];
var camelized = this.charAt(0) == '-'
? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
: parts[0];
for (var i = 1; i < len; i++)
camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
return camelized;
},
capitalize: function(){
return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
},
underscore: function() {
return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
},
dasherize: function() {
return this.gsub(/_/,'-');
},
inspect: function(useDoubleQuotes) {
var escapedString = this.replace(/\\/g, '\\\\');
if (useDoubleQuotes)
return '"' + escapedString.replace(/"/g, '\\"') + '"';
else
return "'" + escapedString.replace(/'/g, '\\\'') + "'";
}
});
String.prototype.gsub.prepareReplacement = function(replacement) {
if (typeof replacement == 'function') return replacement;
var template = new Template(replacement);
return function(match) { return template.evaluate(match) };
}
String.prototype.parseQuery = String.prototype.toQueryParams;
var Template = Class.create();
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
Template.prototype = {
initialize: function(template, pattern) {
this.template = template.toString();
this.pattern = pattern || Template.Pattern;
},
evaluate: function(object) {
return this.template.gsub(this.pattern, function(match) {
var before = match[1];
if (before == '\\') return match[2];
return before + String.interpret(object[match[3]]);
});
}
}
var $break = new Object();
var $continue = new Object();
var Enumerable = {
each: function(iterator) {
var index = 0;
try {
this._each(function(value) {
try {
iterator(value, index++);
} catch (e) {
if (e != $continue) throw e;
}
});
} catch (e) {
if (e != $break) throw e;
}
return this;
},
eachSlice: function(number, iterator) {
var index = -number, slices = [], array = this.toArray();
while ((index += number) < array.length)
slices.push(array.slice(index, index+number));
return slices.map(iterator);
},
all: function(iterator) {
var result = true;
this.each(function(value, index) {
result = result && !!(iterator || Prototype.K)(value, index);
if (!result) throw $break;
});
return result;
},
any: function(iterator) {
var result = false;
this.each(function(value, index) {
if (result = !!(iterator || Prototype.K)(value, index))
throw $break;
});
return result;
},
collect: function(iterator) {
var results = [];
this.each(function(value, index) {
results.push((iterator || Prototype.K)(value, index));
});
return results;
},
detect: function(iterator) {
var result;
this.each(function(value, index) {
if (iterator(value, index)) {
result = value;
throw $break;
}
});
return result;
},
findAll: function(iterator) {
var results = [];
this.each(function(value, index) {
if (iterator(value, index))
results.push(value);
});
return results;
},
grep: function(pattern, iterator) {
var results = [];
this.each(function(value, index) {
var stringValue = value.toString();
if (stringValue.match(pattern))
results.push((iterator || Prototype.K)(value, index));
})
return results;
},
include: function(object) {
var found = false;
this.each(function(value) {
if (value == object) {
found = true;
throw $break;
}
});
return found;
},
inGroupsOf: function(number, fillWith) {
fillWith = fillWith === undefined ? null : fillWith;
return this.eachSlice(number, function(slice) {
while(slice.length < number) slice.push(fillWith);
return slice;
});
},
inject: function(memo, iterator) {
this.each(function(value, index) {
memo = iterator(memo, value, index);
});
return memo;
},
invoke: function(method) {
var args = $A(arguments).slice(1);
return this.map(function(value) {
return value[method].apply(value, args);
});
},
max: function(iterator) {
var result;
this.each(function(value, index) {
value = (iterator || Prototype.K)(value, index);
if (result == undefined || value >= result)
result = value;
});
return result;
},
min: function(iterator) {
var result;
this.each(function(value, index) {
value = (iterator || Prototype.K)(value, index);
if (result == undefined || value < result)
result = value;
});
return result;
},
partition: function(iterator) {
var trues = [], falses = [];
this.each(function(value, index) {
((iterator || Prototype.K)(value, index) ?
trues : falses).push(value);
});
return [trues, falses];
},
pluck: function(property) {
var results = [];
this.each(function(value, index) {
results.push(value[property]);
});
return results;
},
reject: function(iterator) {
var results = [];
this.each(function(value, index) {
if (!iterator(value, index))
results.push(value);
});
return results;
},
sortBy: function(iterator) {
return this.map(function(value, index) {
return {value: value, criteria: iterator(value, index)};
}).sort(function(left, right) {
var a = left.criteria, b = right.criteria;
return a < b ? -1 : a > b ? 1 : 0;
}).pluck('value');
},
toArray: function() {
return this.map();
},
zip: function() {
var iterator = Prototype.K, args = $A(arguments);
if (typeof args.last() == 'function')
iterator = args.pop();
var collections = [this].concat(args).map($A);
return this.map(function(value, index) {
return iterator(collections.pluck(index));
});
},
size: function() {
return this.toArray().length;
},
inspect: function() {
return '#<Enumerable:' + this.toArray().inspect() + '>';
}
}
Object.extend(Enumerable, {
map: Enumerable.collect,
find: Enumerable.detect,
select: Enumerable.findAll,
member: Enumerable.include,
entries: Enumerable.toArray
});
var $A = Array.from = function(iterable) {
if (!iterable) return [];
if (iterable.toArray) {
return iterable.toArray();
} else {
var results = [];
for (var i = 0, length = iterable.length; i < length; i++)
results.push(iterable[i]);
return results;
}
}
Object.extend(Array.prototype, Enumerable);
if (!Array.prototype._reverse)
Array.prototype._reverse = Array.prototype.reverse;
Object.extend(Array.prototype, {
_each: function(iterator) {
for (var i = 0, length = this.length; i < length; i++)
iterator(this[i]);
},
clear: function() {
this.length = 0;
return this;
},
first: function() {
return this[0];
},
last: function() {
return this[this.length - 1];
},
compact: function() {
return this.select(function(value) {
return value != null;
});
},
flatten: function() {
return this.inject([], function(array, value) {
return array.concat(value && value.constructor == Array ?
value.flatten() : [value]);
});
},
without: function() {
var values = $A(arguments);
return this.select(function(value) {
return !values.include(value);
});
},
indexOf: function(object) {
for (var i = 0, length = this.length; i < length; i++)
if (this[i] == object) return i;
return -1;
},
reverse: function(inline) {
return (inline !== false ? this : this.toArray())._reverse();
},
reduce: function() {
return this.length > 1 ? this : this[0];
},
uniq: function() {
return this.inject([], function(array, value) {
return array.include(value) ? array : array.concat([value]);
});
},
clone: function() {
return [].concat(this);
},
size: function() {
return this.length;
},
inspect: function() {
return '[' + this.map(Object.inspect).join(', ') + ']';
}
});
Array.prototype.toArray = Array.prototype.clone;
function $w(string){
string = string.strip();
return string ? string.split(/\s+/) : [];
}
if(window.opera){
Array.prototype.concat = function(){
var array = [];
for(var i = 0, length = this.length; i < length; i++) array.push(this[i]);
for(var i = 0, length = arguments.length; i < length; i++) {
if(arguments[i].constructor == Array) {
for(var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
array.push(arguments[i][j]);
} else {
array.push(arguments[i]);
}
}
return array;
}
}
var Hash = function(obj) {
Object.extend(this, obj || {});
};
Object.extend(Hash, {
toQueryString: function(obj) {
var parts = [];
this.prototype._each.call(obj, function(pair) {
if (!pair.key) return;
if (pair.value && pair.value.constructor == Array) {
var values = pair.value.compact();
if (values.length < 2) pair.value = values.reduce();
else {
key = encodeURIComponent(pair.key);
values.each(function(value) {
value = value != undefined ? encodeURIComponent(value) : '';
parts.push(key + '=' + encodeURIComponent(value));
});
return;
}
}
if (pair.value == undefined) pair[1] = '';
parts.push(pair.map(encodeURIComponent).join('='));
});
return parts.join('&');
}
});
Object.extend(Hash.prototype, Enumerable);
Object.extend(Hash.prototype, {
_each: function(iterator) {
for (var key in this) {
var value = this[key];
if (value && value == Hash.prototype[key]) continue;
var pair = [key, value];
pair.key = key;
pair.value = value;
iterator(pair);
}
},
keys: function() {
return this.pluck('key');
},
values: function() {
return this.pluck('value');
},
merge: function(hash) {
return $H(hash).inject(this, function(mergedHash, pair) {
mergedHash[pair.key] = pair.value;
return mergedHash;
});
},
remove: function() {
var result;
for(var i = 0, length = arguments.length; i < length; i++) {
var value = this[arguments[i]];
if (value !== undefined){
if (result === undefined) result = value;
else {
if (result.constructor != Array) result = [result];
result.push(value)
}
}
delete this[arguments[i]];
}
return result;
},
toQueryString: function() {
return Hash.toQueryString(this);
},
inspect: function() {
return '#<Hash:{' + this.map(function(pair) {
return pair.map(Object.inspect).join(': ');
}).join(', ') + '}>';
}
});
function $H(object) {
if (object && object.constructor == Hash) return object;
return new Hash(object);
};
ObjectRange = Class.create();
Object.extend(ObjectRange.prototype, Enumerable);
Object.extend(ObjectRange.prototype, {
initialize: function(start, end, exclusive) {
this.start = start;
this.end = end;
this.exclusive = exclusive;
},
_each: function(iterator) {
var value = this.start;
while (this.include(value)) {
iterator(value);
value = value.succ();
}
},
include: function(value) {
if (value < this.start)
return false;
if (this.exclusive)
return value < this.end;
return value <= this.end;
}
});
var $R = function(start, end, exclusive) {
return new ObjectRange(start, end, exclusive);
}
var Ajax = {
getTransport: function() {
return Try.these(
function() {return new XMLHttpRequest()},
function() {return new ActiveXObject('Msxml2.XMLHTTP')},
function() {return new ActiveXObject('Microsoft.XMLHTTP')}
) || false;
},
activeRequestCount: 0
}
Ajax.Responders = {
responders: [],
_each: function(iterator) {
this.responders._each(iterator);
},
register: function(responder) {
if (!this.include(responder))
this.responders.push(responder);
},
unregister: function(responder) {
this.responders = this.responders.without(responder);
},
dispatch: function(callback, request, transport, json) {
this.each(function(responder) {
if (typeof responder[callback] == 'function') {
try {
responder[callback].apply(responder, [request, transport, json]);
} catch (e) {}
}
});
}
};
Object.extend(Ajax.Responders, Enumerable);
Ajax.Responders.register({
onCreate: function() {
Ajax.activeRequestCount++;
},
onComplete: function() {
Ajax.activeRequestCount--;
}
});
Ajax.Base = function() {};
Ajax.Base.prototype = {
setOptions: function(options) {
this.options = {
method: 'post',
asynchronous: true,
contentType: 'application/x-www-form-urlencoded',
encoding: 'UTF-8',
parameters: ''
}
Object.extend(this.options, options || {});
this.options.method = this.options.method.toLowerCase();
if (typeof this.options.parameters == 'string')
this.options.parameters = this.options.parameters.toQueryParams();
}
}
Ajax.Request = Class.create();
Ajax.Request.Events =
['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
_complete: false,
initialize: function(url, options) {
this.transport = Ajax.getTransport();
this.setOptions(options);
this.request(url);
},
request: function(url) {
this.url = url;
this.method = this.options.method;
var params = this.options.parameters;
if (!['get', 'post'].include(this.method)) {
// simulate other verbs over post
params['_method'] = this.method;
this.method = 'post';
}
params = Hash.toQueryString(params);
if (params && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) params += '&_='
// when GET, append parameters to URL
if (this.method == 'get' && params)
this.url += (this.url.indexOf('?') > -1 ? '&' : '?') + params;
try {
Ajax.Responders.dispatch('onCreate', this, this.transport);
this.transport.open(this.method.toUpperCase(), this.url,
this.options.asynchronous);
if (this.options.asynchronous)
setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10);
this.transport.onreadystatechange = this.onStateChange.bind(this);
this.setRequestHeaders();
var body = this.method == 'post' ? (this.options.postBody || params) : null;
this.transport.send(body);
/* Force Firefox to handle ready state 4 for synchronous requests */
if (!this.options.asynchronous && this.transport.overrideMimeType)
this.onStateChange();
}
catch (e) {
this.dispatchException(e);
}
},
onStateChange: function() {
var readyState = this.transport.readyState;
if (readyState > 1 && !((readyState == 4) && this._complete))
this.respondToReadyState(this.transport.readyState);
},
setRequestHeaders: function() {
var headers = {
'X-Requested-With': 'XMLHttpRequest',
'X-Prototype-Version': Prototype.Version,
'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
};
if (this.method == 'post') {
headers['Content-type'] = this.options.contentType +
(this.options.encoding ? '; charset=' + this.options.encoding : '');
/* Force "Connection: close" for older Mozilla browsers to work
* around a bug where XMLHttpRequest sends an incorrect
* Content-length header. See Mozilla Bugzilla #246651.
*/
if (this.transport.overrideMimeType &&
(navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
headers['Connection'] = 'close';
}
// user-defined headers
if (typeof this.options.requestHeaders == 'object') {
var extras = this.options.requestHeaders;
if (typeof extras.push == 'function')
for (var i = 0, length = extras.length; i < length; i += 2)
headers[extras[i]] = extras[i+1];
else
$H(extras).each(function(pair) { headers[pair.key] = pair.value });
}
for (var name in headers)
this.transport.setRequestHeader(name, headers[name]);
},
success: function() {
return !this.transport.status
|| (this.transport.status >= 200 && this.transport.status < 300);
},
respondToReadyState: function(readyState) {
var state = Ajax.Request.Events[readyState];
var transport = this.transport, json = this.evalJSON();
if (state == 'Complete') {
try {
this._complete = true;
(this.options['on' + this.transport.status]
|| this.options['on' + (this.success() ? 'Success' : 'Failure')]
|| Prototype.emptyFunction)(transport, json);
} catch (e) {
this.dispatchException(e);
}
if ((this.getHeader('Content-type') || 'text/javascript').strip().
match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))
this.evalResponse();
}
try {
(this.options['on' + state] || Prototype.emptyFunction)(transport, json);
Ajax.Responders.dispatch('on' + state, this, transport, json);
} catch (e) {
this.dispatchException(e);
}
if (state == 'Complete') {
// avoid memory leak in MSIE: clean up
this.transport.onreadystatechange = Prototype.emptyFunction;
}
},
getHeader: function(name) {
try {
return this.transport.getResponseHeader(name);
} catch (e) { return null }
},
evalJSON: function() {
try {
var json = this.getHeader('X-JSON');
return json ? eval('(' + json + ')') : null;
} catch (e) { return null }
},
evalResponse: function() {
try {
return eval(this.transport.responseText);
} catch (e) {
this.dispatchException(e);
}
},
dispatchException: function(exception) {
(this.options.onException || Prototype.emptyFunction)(this, exception);
Ajax.Responders.dispatch('onException', this, exception);
}
});
Ajax.Updater = Class.create();
Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
initialize: function(container, url, options) {
this.container = {
success: (container.success || container),
failure: (container.failure || (container.success ? null : container))
}
this.transport = Ajax.getTransport();
this.setOptions(options);
var onComplete = this.options.onComplete || Prototype.emptyFunction;
this.options.onComplete = (function(transport, param) {
this.updateContent();
onComplete(transport, param);
}).bind(this);
this.request(url);
},
updateContent: function() {
var receiver = this.container[this.success() ? 'success' : 'failure'];
var response = this.transport.responseText;
if (!this.options.evalScripts) response = response.stripScripts();
if (receiver = $(receiver)) {
if (this.options.insertion)
new this.options.insertion(receiver, response);
else
receiver.update(response);
}
if (this.success()) {
if (this.onComplete)
setTimeout(this.onComplete.bind(this), 10);
}
}
});
Ajax.PeriodicalUpdater = Class.create();
Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
initialize: function(container, url, options) {
this.setOptions(options);
this.onComplete = this.options.onComplete;
this.frequency = (this.options.frequency || 2);
this.decay = (this.options.decay || 1);
this.updater = {};
this.container = container;
this.url = url;
this.start();
},
start: function() {
this.options.onComplete = this.updateComplete.bind(this);
this.onTimerEvent();
},
stop: function() {
this.updater.options.onComplete = undefined;
clearTimeout(this.timer);
(this.onComplete || Prototype.emptyFunction).apply(this, arguments);
},
updateComplete: function(request) {
if (this.options.decay) {
this.decay = (request.responseText == this.lastText ?
this.decay * this.options.decay : 1);
this.lastText = request.responseText;
}
this.timer = setTimeout(this.onTimerEvent.bind(this),
this.decay * this.frequency * 1000);
},
onTimerEvent: function() {
this.updater = new Ajax.Updater(this.container, this.url, this.options);
}
});
function $(element) {
if (arguments.length > 1) {
for (var i = 0, elements = [], length = arguments.length; i < length; i++)
elements.push($(arguments[i]));
return elements;
}
if (typeof element == 'string')
element = document.getElementById(element);
return Element.extend(element);
}
if (Prototype.BrowserFeatures.XPath) {
document._getElementsByXPath = function(expression, parentElement) {
var results = [];
var query = document.evaluate(expression, $(parentElement) || document,
null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
for (var i = 0, length = query.snapshotLength; i < length; i++)
results.push(query.snapshotItem(i));
return results;
};
}
document.getElementsByClassName = function(className, parentElement) {
if (Prototype.BrowserFeatures.XPath) {
var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
return document._getElementsByXPath(q, parentElement);
} else {
var children = ($(parentElement) || document.body).getElementsByTagName('*');
var elements = [], child;
for (var i = 0, length = children.length; i < length; i++) {
child = children[i];
if (Element.hasClassName(child, className))
elements.push(Element.extend(child));
}
return elements;
}
};
/*--------------------------------------------------------------------------*/
if (!window.Element)
var Element = new Object();
Element.extend = function(element) {
if (!element || _nativeExtensions || element.nodeType == 3) return element;
if (!element._extended && element.tagName && element != window) {
var methods = Object.clone(Element.Methods), cache = Element.extend.cache;
if (element.tagName == 'FORM')
Object.extend(methods, Form.Methods);
if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName))
Object.extend(methods, Form.Element.Methods);
Object.extend(methods, Element.Methods.Simulated);
for (var property in methods) {
var value = methods[property];
if (typeof value == 'function' && !(property in element))
element[property] = cache.findOrStore(value);
}
}
element._extended = true;
return element;
};
Element.extend.cache = {
findOrStore: function(value) {
return this[value] = this[value] || function() {
return value.apply(null, [this].concat($A(arguments)));
}
}
};
Element.Methods = {
visible: function(element) {
return $(element).style.display != 'none';
},
toggle: function(element) {
element = $(element);
Element[Element.visible(element) ? 'hide' : 'show'](element);
return element;
},
hide: function(element) {
$(element).style.display = 'none';
return element;
},
show: function(element) {
$(element).style.display = '';
return element;
},
remove: function(element) {
element = $(element);
element.parentNode.removeChild(element);
return element;
},
update: function(element, html) {
html = typeof html == 'undefined' ? '' : html.toString();
$(element).innerHTML = html.stripScripts();
setTimeout(function() {html.evalScripts()}, 10);
return element;
},
replace: function(element, html) {
element = $(element);
html = typeof html == 'undefined' ? '' : html.toString();
if (element.outerHTML) {
element.outerHTML = html.stripScripts();
} else {
var range = element.ownerDocument.createRange();
range.selectNodeContents(element);
element.parentNode.replaceChild(
range.createContextualFragment(html.stripScripts()), element);
}
setTimeout(function() {html.evalScripts()}, 10);
return element;
},
inspect: function(element) {
element = $(element);
var result = '<' + element.tagName.toLowerCase();
$H({'id': 'id', 'className': 'class'}).each(function(pair) {
var property = pair.first(), attribute = pair.last();
var value = (element[property] || '').toString();
if (value) result += ' ' + attribute + '=' + value.inspect(true);
});
return result + '>';
},
recursivelyCollect: function(element, property) {
element = $(element);
var elements = [];
while (element = element[property])
if (element.nodeType == 1)
elements.push(Element.extend(element));
return elements;
},
ancestors: function(element) {
return $(element).recursivelyCollect('parentNode');
},
descendants: function(element) {
return $A($(element).getElementsByTagName('*'));
},
immediateDescendants: function(element) {
if (!(element = $(element).firstChild)) return [];
while (element && element.nodeType != 1) element = element.nextSibling;
if (element) return [element].concat($(element).nextSiblings());
return [];
},
previousSiblings: function(element) {
return $(element).recursivelyCollect('previousSibling');
},
nextSiblings: function(element) {
return $(element).recursivelyCollect('nextSibling');
},
siblings: function(element) {
element = $(element);
return element.previousSiblings().reverse().concat(element.nextSiblings());
},
match: function(element, selector) {
if (typeof selector == 'string')
selector = new Selector(selector);
return selector.match($(element));
},
up: function(element, expression, index) {
return Selector.findElement($(element).ancestors(), expression, index);
},
down: function(element, expression, index) {
return Selector.findElement($(element).descendants(), expression, index);
},
previous: function(element, expression, index) {
return Selector.findElement($(element).previousSiblings(), expression, index);
},
next: function(element, expression, index) {
return Selector.findElement($(element).nextSiblings(), expression, index);
},
getElementsBySelector: function() {
var args = $A(arguments), element = $(args.shift());
return Selector.findChildElements(element, args);
},
getElementsByClassName: function(element, className) {
return document.getElementsByClassName(className, element);
},
readAttribute: function(element, name) {
element = $(element);
if (document.all && !window.opera) {
var t = Element._attributeTranslations;
if (t.values[name]) return t.values[name](element, name);
if (t.names[name]) name = t.names[name];
var attribute = element.attributes[name];
if(attribute) return attribute.nodeValue;
}
return element.getAttribute(name);
},
getHeight: function(element) {
return $(element).getDimensions().height;
},
getWidth: function(element) {
return $(element).getDimensions().width;
},
classNames: function(element) {
return new Element.ClassNames(element);
},
hasClassName: function(element, className) {
if (!(element = $(element))) return;
var elementClassName = element.className;
if (elementClassName.length == 0) return false;
if (elementClassName == className ||
elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
return true;
return false;
},
addClassName: function(element, className) {
if (!(element = $(element))) return;
Element.classNames(element).add(className);
return element;
},
removeClassName: function(element, className) {
if (!(element = $(element))) return;
Element.classNames(element).remove(className);
return element;
},
toggleClassName: function(element, className) {
if (!(element = $(element))) return;
Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className);
return element;
},
observe: function() {
Event.observe.apply(Event, arguments);
return $A(arguments).first();
},
stopObserving: function() {
Event.stopObserving.apply(Event, arguments);
return $A(arguments).first();
},
// removes whitespace-only text node children
cleanWhitespace: function(element) {
element = $(element);
var node = element.firstChild;
while (node) {
var nextNode = node.nextSibling;
if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
element.removeChild(node);
node = nextNode;
}
return element;
},
empty: function(element) {
return $(element).innerHTML.match(/^\s*$/);
},
descendantOf: function(element, ancestor) {
element = $(element), ancestor = $(ancestor);
while (element = element.parentNode)
if (element == ancestor) return true;
return false;
},
scrollTo: function(element) {
element = $(element);
var pos = Position.cumulativeOffset(element);
window.scrollTo(pos[0], pos[1]);
return element;
},
getStyle: function(element, style) {
element = $(element);
if (['float','cssFloat'].include(style))
style = (typeof element.style.styleFloat != 'undefined' ? 'styleFloat' : 'cssFloat');
style = style.camelize();
var value = element.style[style];
if (!value) {
if (document.defaultView && document.defaultView.getComputedStyle) {
var css = document.defaultView.getComputedStyle(element, null);
value = css ? css[style] : null;
} else if (element.currentStyle) {
value = element.currentStyle[style];
}
}
if((value == 'auto') && ['width','height'].include(style) && (element.getStyle('display') != 'none'))
value = element['offset'+style.capitalize()] + 'px';
if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
if (Element.getStyle(element, 'position') == 'static') value = 'auto';
if(style == 'opacity') {
if(value) return parseFloat(value);
if(value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
if(value[1]) return parseFloat(value[1]) / 100;
return 1.0;
}
return value == 'auto' ? null : value;
},
setStyle: function(element, style) {
element = $(element);
for (var name in style) {
var value = style[name];
if(name == 'opacity') {
if (value == 1) {
value = (/Gecko/.test(navigator.userAgent) &&
!/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 0.999999 : 1.0;
if(/MSIE/.test(navigator.userAgent) && !window.opera)
element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'');
} else if(value == '') {
if(/MSIE/.test(navigator.userAgent) && !window.opera)
element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'');
} else {
if(value < 0.00001) value = 0;
if(/MSIE/.test(navigator.userAgent) && !window.opera)
element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'') +
'alpha(opacity='+value*100+')';
}
} else if(['float','cssFloat'].include(name)) name = (typeof element.style.styleFloat != 'undefined') ? 'styleFloat' : 'cssFloat';
element.style[name.camelize()] = value;
}
return element;
},
getDimensions: function(element) {
element = $(element);
var display = $(element).getStyle('display');
if (display != 'none' && display != null) // Safari bug
return {width: element.offsetWidth, height: element.offsetHeight};
// All *Width and *Height properties give 0 on elements with display none,
// so enable the element temporarily
var els = element.style;
var originalVisibility = els.visibility;
var originalPosition = els.position;
var originalDisplay = els.display;
els.visibility = 'hidden';
els.position = 'absolute';
els.display = 'block';
var originalWidth = element.clientWidth;
var originalHeight = element.clientHeight;
els.display = originalDisplay;
els.position = originalPosition;
els.visibility = originalVisibility;
return {width: originalWidth, height: originalHeight};
},
makePositioned: function(element) {
element = $(element);
var pos = Element.getStyle(element, 'position');
if (pos == 'static' || !pos) {
element._madePositioned = true;
element.style.position = 'relative';
// Opera returns the offset relative to the positioning context, when an
// element is position relative but top and left have not been defined
if (window.opera) {
element.style.top = 0;
element.style.left = 0;
}
}
return element;
},
undoPositioned: function(element) {
element = $(element);
if (element._madePositioned) {
element._madePositioned = undefined;
element.style.position =
element.style.top =
element.style.left =
element.style.bottom =
element.style.right = '';
}
return element;
},
makeClipping: function(element) {
element = $(element);
if (element._overflow) return element;
element._overflow = element.style.overflow || 'auto';
if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
element.style.overflow = 'hidden';
return element;
},
undoClipping: function(element) {
element = $(element);
if (!element._overflow) return element;
element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
element._overflow = null;
return element;
}
};
Object.extend(Element.Methods, {childOf: Element.Methods.descendantOf});
Element._attributeTranslations = {};
Element._attributeTranslations.names = {
colspan: "colSpan",
rowspan: "rowSpan",
valign: "vAlign",
datetime: "dateTime",
accesskey: "accessKey",
tabindex: "tabIndex",
enctype: "encType",
maxlength: "maxLength",
readonly: "readOnly",
longdesc: "longDesc"
};
Element._attributeTranslations.values = {
_getAttr: function(element, attribute) {
return element.getAttribute(attribute, 2);
},
_flag: function(element, attribute) {
return $(element).hasAttribute(attribute) ? attribute : null;
},
style: function(element) {
return element.style.cssText.toLowerCase();
},
title: function(element) {
var node = element.getAttributeNode('title');
return node.specified ? node.nodeValue : null;
}
};
Object.extend(Element._attributeTranslations.values, {
href: Element._attributeTranslations.values._getAttr,
src: Element._attributeTranslations.values._getAttr,
disabled: Element._attributeTranslations.values._flag,
checked: Element._attributeTranslations.values._flag,
readonly: Element._attributeTranslations.values._flag,
multiple: Element._attributeTranslations.values._flag
});
Element.Methods.Simulated = {
hasAttribute: function(element, attribute) {
var t = Element._attributeTranslations;
attribute = t.names[attribute] || attribute;
return $(element).getAttributeNode(attribute).specified;
}
};
// IE is missing .innerHTML support for TABLE-related elements
if (document.all && !window.opera){
Element.Methods.update = function(element, html) {
element = $(element);
html = typeof html == 'undefined' ? '' : html.toString();
var tagName = element.tagName.toUpperCase();
if (['THEAD','TBODY','TR','TD'].include(tagName)) {
var div = document.createElement('div');
switch (tagName) {
case 'THEAD':
case 'TBODY':
div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>';
depth = 2;
break;
case 'TR':
div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>';
depth = 3;
break;
case 'TD':
div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>';
depth = 4;
}
$A(element.childNodes).each(function(node){
element.removeChild(node)
});
depth.times(function(){ div = div.firstChild });
$A(div.childNodes).each(
function(node){ element.appendChild(node) });
} else {
element.innerHTML = html.stripScripts();
}
setTimeout(function() {html.evalScripts()}, 10);
return element;
}
};
Object.extend(Element, Element.Methods);
var _nativeExtensions = false;
if(/Konqueror|Safari|KHTML/.test(navigator.userAgent))
['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) {
var className = 'HTML' + tag + 'Element';
if(window[className]) return;
var klass = window[className] = {};
klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__;
});
Element.addMethods = function(methods) {
Object.extend(Element.Methods, methods || {});
function copy(methods, destination, onlyIfAbsent) {
onlyIfAbsent = onlyIfAbsent || false;
var cache = Element.extend.cache;
for (var property in methods) {
var value = methods[property];
if (!onlyIfAbsent || !(property in destination))
destination[property] = cache.findOrStore(value);
}
}
if (typeof HTMLElement != 'undefined') {
copy(Element.Methods, HTMLElement.prototype);
copy(Element.Methods.Simulated, HTMLElement.prototype, true);
copy(Form.Methods, HTMLFormElement.prototype);
[HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) {
copy(Form.Element.Methods, klass.prototype);
});
_nativeExtensions = true;
}
}
var Toggle = new Object();
Toggle.display = Element.toggle;
/*--------------------------------------------------------------------------*/
Abstract.Insertion = function(adjacency) {
this.adjacency = adjacency;
}
Abstract.Insertion.prototype = {
initialize: function(element, content) {
this.element = $(element);
this.content = content.stripScripts();
if (this.adjacency && this.element.insertAdjacentHTML) {
try {
this.element.insertAdjacentHTML(this.adjacency, this.content);
} catch (e) {
var tagName = this.element.tagName.toUpperCase();
if (['TBODY', 'TR'].include(tagName)) {
this.insertContent(this.contentFromAnonymousTable());
} else {
throw e;
}
}
} else {
this.range = this.element.ownerDocument.createRange();
if (this.initializeRange) this.initializeRange();
this.insertContent([this.range.createContextualFragment(this.content)]);
}
setTimeout(function() {content.evalScripts()}, 10);
},
contentFromAnonymousTable: function() {
var div = document.createElement('div');
div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
return $A(div.childNodes[0].childNodes[0].childNodes);
}
}
var Insertion = new Object();
Insertion.Before = Class.create();
Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
initializeRange: function() {
this.range.setStartBefore(this.element);
},
insertContent: function(fragments) {
fragments.each((function(fragment) {
this.element.parentNode.insertBefore(fragment, this.element);
}).bind(this));
}
});
Insertion.Top = Class.create();
Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
initializeRange: function() {
this.range.selectNodeContents(this.element);
this.range.collapse(true);
},
insertContent: function(fragments) {
fragments.reverse(false).each((function(fragment) {
this.element.insertBefore(fragment, this.element.firstChild);
}).bind(this));
}
});
Insertion.Bottom = Class.create();
Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
initializeRange: function() {
this.range.selectNodeContents(this.element);
this.range.collapse(this.element);
},
insertContent: function(fragments) {
fragments.each((function(fragment) {
this.element.appendChild(fragment);
}).bind(this));
}
});
Insertion.After = Class.create();
Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
initializeRange: function() {
this.range.setStartAfter(this.element);
},
insertContent: function(fragments) {
fragments.each((function(fragment) {
this.element.parentNode.insertBefore(fragment,
this.element.nextSibling);
}).bind(this));
}
});
/*--------------------------------------------------------------------------*/
Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
initialize: function(element) {
this.element = $(element);
},
_each: function(iterator) {
this.element.className.split(/\s+/).select(function(name) {
return name.length > 0;
})._each(iterator);
},
set: function(className) {
this.element.className = className;
},
add: function(classNameToAdd) {
if (this.include(classNameToAdd)) return;
this.set($A(this).concat(classNameToAdd).join(' '));
},
remove: function(classNameToRemove) {
if (!this.include(classNameToRemove)) return;
this.set($A(this).without(classNameToRemove).join(' '));
},
toString: function() {
return $A(this).join(' ');
}
};
Object.extend(Element.ClassNames.prototype, Enumerable);
var Selector = Class.create();
Selector.prototype = {
initialize: function(expression) {
this.params = {classNames: []};
this.expression = expression.toString().strip();
this.parseExpression();
this.compileMatcher();
},
parseExpression: function() {
function abort(message) { throw 'Parse error in selector: ' + message; }
if (this.expression == '') abort('empty expression');
var params = this.params, expr = this.expression, match, modifier, clause, rest;
while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) {
params.attributes = params.attributes || [];
params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''});
expr = match[1];
}
if (expr == '*') return this.params.wildcard = true;
while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) {
modifier = match[1], clause = match[2], rest = match[3];
switch (modifier) {
case '#': params.id = clause; break;
case '.': params.classNames.push(clause); break;
case '':
case undefined: params.tagName = clause.toUpperCase(); break;
default: abort(expr.inspect());
}
expr = rest;
}
if (expr.length > 0) abort(expr.inspect());
},
buildMatchExpression: function() {
var params = this.params, conditions = [], clause;
if (params.wildcard)
conditions.push('true');
if (clause = params.id)
conditions.push('element.readAttribute("id") == ' + clause.inspect());
if (clause = params.tagName)
conditions.push('element.tagName.toUpperCase() == ' + clause.inspect());
if ((clause = params.classNames).length > 0)
for (var i = 0, length = clause.length; i < length; i++)
conditions.push('element.hasClassName(' + clause[i].inspect() + ')');
if (clause = params.attributes) {
clause.each(function(attribute) {
var value = 'element.readAttribute(' + attribute.name.inspect() + ')';
var splitValueBy = function(delimiter) {
return value + ' && ' + value + '.split(' + delimiter.inspect() + ')';
}
switch (attribute.operator) {
case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break;
case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break;
case '|=': conditions.push(
splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect()
); break;
case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break;
case '':
case undefined: conditions.push('element.hasAttribute(' + attribute.name.inspect() + ')'); break;
default: throw 'Unknown operator ' + attribute.operator + ' in selector';
}
});
}
return conditions.join(' && ');
},
compileMatcher: function() {
this.match = new Function('element', 'if (!element.tagName) return false; \
element = $(element); \
return ' + this.buildMatchExpression());
},
findElements: function(scope) {
var element;
if (element = $(this.params.id))
if (this.match(element))
if (!scope || Element.childOf(element, scope))
return [element];
scope = (scope || document).getElementsByTagName(this.params.tagName || '*');
var results = [];
for (var i = 0, length = scope.length; i < length; i++)
if (this.match(element = scope[i]))
results.push(Element.extend(element));
return results;
},
toString: function() {
return this.expression;
}
}
Object.extend(Selector, {
matchElements: function(elements, expression) {
var selector = new Selector(expression);
return elements.select(selector.match.bind(selector)).map(Element.extend);
},
findElement: function(elements, expression, index) {
if (typeof expression == 'number') index = expression, expression = false;
return Selector.matchElements(elements, expression || '*')[index || 0];
},
findChildElements: function(element, expressions) {
return expressions.map(function(expression) {
return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) {
var selector = new Selector(expr);
return results.inject([], function(elements, result) {
return elements.concat(selector.findElements(result || element));
});
});
}).flatten();
}
});
function $$() {
return Selector.findChildElements(document, $A(arguments));
}
var Form = {
reset: function(form) {
$(form).reset();
return form;
},
serializeElements: function(elements, getHash) {
var data = elements.inject({}, function(result, element) {
if (!element.disabled && element.name) {
var key = element.name, value = $(element).getValue();
if (value != undefined) {
if (result[key]) {
if (result[key].constructor != Array) result[key] = [result[key]];
result[key].push(value);
}
else result[key] = value;
}
}
return result;
});
return getHash ? data : Hash.toQueryString(data);
}
};
Form.Methods = {
serialize: function(form, getHash) {
return Form.serializeElements(Form.getElements(form), getHash);
},
getElements: function(form) {
return $A($(form).getElementsByTagName('*')).inject([],
function(elements, child) {
if (Form.Element.Serializers[child.tagName.toLowerCase()])
elements.push(Element.extend(child));
return elements;
}
);
},
getInputs: function(form, typeName, name) {
form = $(form);
var inputs = form.getElementsByTagName('input');
if (!typeName && !name) return $A(inputs).map(Element.extend);
for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
var input = inputs[i];
if ((typeName && input.type != typeName) || (name && input.name != name))
continue;
matchingInputs.push(Element.extend(input));
}
return matchingInputs;
},
disable: function(form) {
form = $(form);
form.getElements().each(function(element) {
element.blur();
element.disabled = 'true';
});
return form;
},
enable: function(form) {
form = $(form);
form.getElements().each(function(element) {
element.disabled = '';
});
return form;
},
findFirstElement: function(form) {
return $(form).getElements().find(function(element) {
return element.type != 'hidden' && !element.disabled &&
['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
});
},
focusFirstElement: function(form) {
form = $(form);
form.findFirstElement().activate();
return form;
}
}
Object.extend(Form, Form.Methods);
/*--------------------------------------------------------------------------*/
Form.Element = {
focus: function(element) {
$(element).focus();
return element;
},
select: function(element) {
$(element).select();
return element;
}
}
Form.Element.Methods = {
serialize: function(element) {
element = $(element);
if (!element.disabled && element.name) {
var value = element.getValue();
if (value != undefined) {
var pair = {};
pair[element.name] = value;
return Hash.toQueryString(pair);
}
}
return '';
},
getValue: function(element) {
element = $(element);
var method = element.tagName.toLowerCase();
return Form.Element.Serializers[method](element);
},
clear: function(element) {
$(element).value = '';
return element;
},
present: function(element) {
return $(element).value != '';
},
activate: function(element) {
element = $(element);
element.focus();
if (element.select && ( element.tagName.toLowerCase() != 'input' ||
!['button', 'reset', 'submit'].include(element.type) ) )
element.select();
return element;
},
disable: function(element) {
element = $(element);
element.disabled = true;
return element;
},
enable: function(element) {
element = $(element);
element.blur();
element.disabled = false;
return element;
}
}
Object.extend(Form.Element, Form.Element.Methods);
var Field = Form.Element;
var $F = Form.Element.getValue;
/*--------------------------------------------------------------------------*/
Form.Element.Serializers = {
input: function(element) {
switch (element.type.toLowerCase()) {
case 'checkbox':
case 'radio':
return Form.Element.Serializers.inputSelector(element);
default:
return Form.Element.Serializers.textarea(element);
}
},
inputSelector: function(element) {
return element.checked ? element.value : null;
},
textarea: function(element) {
return element.value;
},
select: function(element) {
return this[element.type == 'select-one' ?
'selectOne' : 'selectMany'](element);
},
selectOne: function(element) {
var index = element.selectedIndex;
return index >= 0 ? this.optionValue(element.options[index]) : null;
},
selectMany: function(element) {
var values, length = element.length;
if (!length) return null;
for (var i = 0, values = []; i < length; i++) {
var opt = element.options[i];
if (opt.selected) values.push(this.optionValue(opt));
}
return values;
},
optionValue: function(opt) {
// extend element because hasAttribute may not be native
return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
}
}
/*--------------------------------------------------------------------------*/
Abstract.TimedObserver = function() {}
Abstract.TimedObserver.prototype = {
initialize: function(element, frequency, callback) {
this.frequency = frequency;
this.element = $(element);
this.callback = callback;
this.lastValue = this.getValue();
this.registerCallback();
},
registerCallback: function() {
setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
},
onTimerEvent: function() {
var value = this.getValue();
var changed = ('string' == typeof this.lastValue && 'string' == typeof value
? this.lastValue != value : String(this.lastValue) != String(value));
if (changed) {
this.callback(this.element, value);
this.lastValue = value;
}
}
}
Form.Element.Observer = Class.create();
Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
getValue: function() {
return Form.Element.getValue(this.element);
}
});
Form.Observer = Class.create();
Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
getValue: function() {
return Form.serialize(this.element);
}
});
/*--------------------------------------------------------------------------*/
Abstract.EventObserver = function() {}
Abstract.EventObserver.prototype = {
initialize: function(element, callback) {
this.element = $(element);
this.callback = callback;
this.lastValue = this.getValue();
if (this.element.tagName.toLowerCase() == 'form')
this.registerFormCallbacks();
else
this.registerCallback(this.element);
},
onElementEvent: function() {
var value = this.getValue();
if (this.lastValue != value) {
this.callback(this.element, value);
this.lastValue = value;
}
},
registerFormCallbacks: function() {
Form.getElements(this.element).each(this.registerCallback.bind(this));
},
registerCallback: function(element) {
if (element.type) {
switch (element.type.toLowerCase()) {
case 'checkbox':
case 'radio':
Event.observe(element, 'click', this.onElementEvent.bind(this));
break;
default:
Event.observe(element, 'change', this.onElementEvent.bind(this));
break;
}
}
}
}
Form.Element.EventObserver = Class.create();
Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
getValue: function() {
return Form.Element.getValue(this.element);
}
});
Form.EventObserver = Class.create();
Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
getValue: function() {
return Form.serialize(this.element);
}
});
if (!window.Event) {
var Event = new Object();
}
Object.extend(Event, {
KEY_BACKSPACE: 8,
KEY_TAB: 9,
KEY_RETURN: 13,
KEY_ESC: 27,
KEY_LEFT: 37,
KEY_UP: 38,
KEY_RIGHT: 39,
KEY_DOWN: 40,
KEY_DELETE: 46,
KEY_HOME: 36,
KEY_END: 35,
KEY_PAGEUP: 33,
KEY_PAGEDOWN: 34,
element: function(event) {
return event.target || event.srcElement;
},
isLeftClick: function(event) {
return (((event.which) && (event.which == 1)) ||
((event.button) && (event.button == 1)));
},
pointerX: function(event) {
return event.pageX || (event.clientX +
(document.documentElement.scrollLeft || document.body.scrollLeft));
},
pointerY: function(event) {
return event.pageY || (event.clientY +
(document.documentElement.scrollTop || document.body.scrollTop));
},
stop: function(event) {
if (event.preventDefault) {
event.preventDefault();
event.stopPropagation();
} else {
event.returnValue = false;
event.cancelBubble = true;
}
},
// find the first node with the given tagName, starting from the
// node the event was triggered on; traverses the DOM upwards
findElement: function(event, tagName) {
var element = Event.element(event);
while (element.parentNode && (!element.tagName ||
(element.tagName.toUpperCase() != tagName.toUpperCase())))
element = element.parentNode;
return element;
},
observers: false,
_observeAndCache: function(element, name, observer, useCapture) {
if (!this.observers) this.observers = [];
if (element.addEventListener) {
this.observers.push([element, name, observer, useCapture]);
element.addEventListener(name, observer, useCapture);
} else if (element.attachEvent) {
this.observers.push([element, name, observer, useCapture]);
element.attachEvent('on' + name, observer);
}
},
unloadCache: function() {
if (!Event.observers) return;
for (var i = 0, length = Event.observers.length; i < length; i++) {
Event.stopObserving.apply(this, Event.observers[i]);
Event.observers[i][0] = null;
}
Event.observers = false;
},
observe: function(element, name, observer, useCapture) {
element = $(element);
useCapture = useCapture || false;
if (name == 'keypress' &&
(navigator.appVersion.match(/Konqueror|Safari|KHTML/)
|| element.attachEvent))
name = 'keydown';
Event._observeAndCache(element, name, observer, useCapture);
},
stopObserving: function(element, name, observer, useCapture) {
element = $(element);
useCapture = useCapture || false;
if (name == 'keypress' &&
(navigator.appVersion.match(/Konqueror|Safari|KHTML/)
|| element.detachEvent))
name = 'keydown';
if (element.removeEventListener) {
element.removeEventListener(name, observer, useCapture);
} else if (element.detachEvent) {
try {
element.detachEvent('on' + name, observer);
} catch (e) {}
}
}
});
/* prevent memory leaks in IE */
if (navigator.appVersion.match(/\bMSIE\b/))
Event.observe(window, 'unload', Event.unloadCache, false);
var Position = {
// set to true if needed, warning: firefox performance problems
// NOT neeeded for page scrolling, only if draggable contained in
// scrollable elements
includeScrollOffsets: false,
// must be called before calling withinIncludingScrolloffset, every time the
// page is scrolled
prepare: function() {
this.deltaX = window.pageXOffset
|| document.documentElement.scrollLeft
|| document.body.scrollLeft
|| 0;
this.deltaY = window.pageYOffset
|| document.documentElement.scrollTop
|| document.body.scrollTop
|| 0;
},
realOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.scrollTop || 0;
valueL += element.scrollLeft || 0;
element = element.parentNode;
} while (element);
return [valueL, valueT];
},
cumulativeOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
element = element.offsetParent;
} while (element);
return [valueL, valueT];
},
positionedOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
element = element.offsetParent;
if (element) {
if(element.tagName=='BODY') break;
var p = Element.getStyle(element, 'position');
if (p == 'relative' || p == 'absolute') break;
}
} while (element);
return [valueL, valueT];
},
offsetParent: function(element) {
if (element.offsetParent) return element.offsetParent;
if (element == document.body) return element;
while ((element = element.parentNode) && element != document.body)
if (Element.getStyle(element, 'position') != 'static')
return element;
return document.body;
},
// caches x/y coordinate pair to use with overlap
within: function(element, x, y) {
if (this.includeScrollOffsets)
return this.withinIncludingScrolloffsets(element, x, y);
this.xcomp = x;
this.ycomp = y;
this.offset = this.cumulativeOffset(element);
return (y >= this.offset[1] &&
y < this.offset[1] + element.offsetHeight &&
x >= this.offset[0] &&
x < this.offset[0] + element.offsetWidth);
},
withinIncludingScrolloffsets: function(element, x, y) {
var offsetcache = this.realOffset(element);
this.xcomp = x + offsetcache[0] - this.deltaX;
this.ycomp = y + offsetcache[1] - this.deltaY;
this.offset = this.cumulativeOffset(element);
return (this.ycomp >= this.offset[1] &&
this.ycomp < this.offset[1] + element.offsetHeight &&
this.xcomp >= this.offset[0] &&
this.xcomp < this.offset[0] + element.offsetWidth);
},
// within must be called directly before
overlap: function(mode, element) {
if (!mode) return 0;
if (mode == 'vertical')
return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
element.offsetHeight;
if (mode == 'horizontal')
return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
element.offsetWidth;
},
page: function(forElement) {
var valueT = 0, valueL = 0;
var element = forElement;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
// Safari fix
if (element.offsetParent==document.body)
if (Element.getStyle(element,'position')=='absolute') break;
} while (element = element.offsetParent);
element = forElement;
do {
if (!window.opera || element.tagName=='BODY') {
valueT -= element.scrollTop || 0;
valueL -= element.scrollLeft || 0;
}
} while (element = element.parentNode);
return [valueL, valueT];
},
clone: function(source, target) {
var options = Object.extend({
setLeft: true,
setTop: true,
setWidth: true,
setHeight: true,
offsetTop: 0,
offsetLeft: 0
}, arguments[2] || {})
// find page position of source
source = $(source);
var p = Position.page(source);
// find coordinate system to use
target = $(target);
var delta = [0, 0];
var parent = null;
// delta [0,0] will do fine with position: fixed elements,
// position:absolute needs offsetParent deltas
if (Element.getStyle(target,'position') == 'absolute') {
parent = Position.offsetParent(target);
delta = Position.page(parent);
}
// correct by body offsets (fixes Safari)
if (parent == document.body) {
delta[0] -= document.body.offsetLeft;
delta[1] -= document.body.offsetTop;
}
// set position
if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
if(options.setWidth) target.style.width = source.offsetWidth + 'px';
if(options.setHeight) target.style.height = source.offsetHeight + 'px';
},
absolutize: function(element) {
element = $(element);
if (element.style.position == 'absolute') return;
Position.prepare();
var offsets = Position.positionedOffset(element);
var top = offsets[1];
var left = offsets[0];
var width = element.clientWidth;
var height = element.clientHeight;
element._originalLeft = left - parseFloat(element.style.left || 0);
element._originalTop = top - parseFloat(element.style.top || 0);
element._originalWidth = element.style.width;
element._originalHeight = element.style.height;
element.style.position = 'absolute';
element.style.top = top + 'px';
element.style.left = left + 'px';
element.style.width = width + 'px';
element.style.height = height + 'px';
},
relativize: function(element) {
element = $(element);
if (element.style.position == 'relative') return;
Position.prepare();
element.style.position = 'relative';
var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
element.style.top = top + 'px';
element.style.left = left + 'px';
element.style.height = element._originalHeight;
element.style.width = element._originalWidth;
}
}
// Safari returns margins on body which is incorrect if the child is absolutely
// positioned. For performance reasons, redefine Position.cumulativeOffset for
// KHTML/WebKit only.
if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
Position.cumulativeOffset = function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
if (element.offsetParent == document.body)
if (Element.getStyle(element, 'position') == 'absolute') break;
element = element.offsetParent;
} while (element);
return [valueL, valueT];
}
}
Element.addMethods();
PROTO-END
$r->print($output);
return Apache2::Const::OK;
}
sub behaviour {
my $r = shift;
$r->content_type("application/x-javascript");
$r->set_etag();
return Apache2::Const::OK if $r->header_only();
my $output=<<'BEHAVIOUR-END';
/*
Behaviour v1.1 by Ben Nolan, June 2005. Based largely on the work
of Simon Willison (see comments by Simon below).
Description:
Uses css selectors to apply javascript behaviours to enable
unobtrusive javascript in html documents.
Usage:
var myrules = {
'b.someclass' : function(element){
element.onclick = function(){
alert(this.innerHTML);
}
},
'#someid u' : function(element){
element.onmouseover = function(){
this.innerHTML = "BLAH!";
}
}
};
Behaviour.register(myrules);
// Call Behaviour.apply() to re-apply the rules (if you
// update the dom, etc).
License:
This file is entirely BSD licensed.
More information:
http://ripcord.co.nz/behaviour/
*/
var Behaviour = {
list : new Array,
register : function(sheet){
Behaviour.list.push(sheet);
},
start : function(){
Behaviour.addLoadEvent(function(){
Behaviour.apply();
});
},
apply : function(){
for (h=0;sheet=Behaviour.list[h];h++){
for (selector in sheet){
list = document.getElementsBySelector(selector);
if (!list){
continue;
}
for (i=0;element=list[i];i++){
sheet[selector](element);
}
}
}
},
addLoadEvent : function(func){
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function() {
oldonload();
func();
}
}
}
}
Behaviour.start();
/*
The following code is Copyright (C) Simon Willison 2004.
document.getElementsBySelector(selector)
- returns an array of element objects from the current document
matching the CSS selector. Selectors can contain element names,
class names and ids and can be nested. For example:
elements = document.getElementsBySelect('div#main p a.external')
Will return an array of all 'a' elements with 'external' in their
class attribute that are contained inside 'p' elements that are
contained inside the 'div' element which has id="main"
New in version 0.4: Support for CSS2 and CSS3 attribute selectors:
See http://www.w3.org/TR/css3-selectors/#attribute-selectors
Version 0.4 - Simon Willison, March 25th 2003
-- Works in Phoenix 0.5, Mozilla 1.3, Opera 7, Internet Explorer 6, Internet Explorer 5 on Windows
-- Opera 7 fails
*/
function getAllChildren(e) {
// Returns all children of element. Workaround required for IE5/Windows. Ugh.
return e.all ? e.all : e.getElementsByTagName('*');
}
document.getElementsBySelector = function(selector) {
// Attempt to fail gracefully in lesser browsers
if (!document.getElementsByTagName) {
return new Array();
}
// Split selector in to tokens
var tokens = selector.split(' ');
var currentContext = new Array(document);
for (var i = 0; i < tokens.length; i++) {
token = tokens[i].replace(/^\s+/,'').replace(/\s+$/,'');;
if (token.indexOf('#') > -1) {
// Token is an ID selector
var bits = token.split('#');
var tagName = bits[0];
var id = bits[1];
var element = document.getElementById(id);
if (tagName && element.nodeName.toLowerCase() != tagName) {
// tag with that ID not found, return false
return new Array();
}
// Set currentContext to contain just this element
currentContext = new Array(element);
continue; // Skip to next token
}
if (token.indexOf('.') > -1) {
// Token contains a class selector
var bits = token.split('.');
var tagName = bits[0];
var className = bits[1];
if (!tagName) {
tagName = '*';
}
// Get elements matching tag, filter them for class selector
var found = new Array;
var foundCount = 0;
for (var h = 0; h < currentContext.length; h++) {
var elements;
if (tagName == '*') {
elements = getAllChildren(currentContext[h]);
} else {
elements = currentContext[h].getElementsByTagName(tagName);
}
for (var j = 0; j < elements.length; j++) {
found[foundCount++] = elements[j];
}
}
currentContext = new Array;
var currentContextIndex = 0;
for (var k = 0; k < found.length; k++) {
if (found[k].className && found[k].className.match(new RegExp('\\b'+className+'\\b'))) {
currentContext[currentContextIndex++] = found[k];
}
}
continue; // Skip to next token
}
// Code to deal with attribute selectors
if (token.match(/^(\w*)\[(\w+)([=~\|\^\$\*]?)=?"?([^\]"]*)"?\]$/)) {
var tagName = RegExp.$1;
var attrName = RegExp.$2;
var attrOperator = RegExp.$3;
var attrValue = RegExp.$4;
if (!tagName) {
tagName = '*';
}
// Grab all of the tagName elements within current context
var found = new Array;
var foundCount = 0;
for (var h = 0; h < currentContext.length; h++) {
var elements;
if (tagName == '*') {
elements = getAllChildren(currentContext[h]);
} else {
elements = currentContext[h].getElementsByTagName(tagName);
}
for (var j = 0; j < elements.length; j++) {
found[foundCount++] = elements[j];
}
}
currentContext = new Array;
var currentContextIndex = 0;
var checkFunction; // This function will be used to filter the elements
switch (attrOperator) {
case '=': // Equality
checkFunction = function(e) { return (e.getAttribute(attrName) == attrValue); };
break;
case '~': // Match one of space seperated words
checkFunction = function(e) { return (e.getAttribute(attrName).match(new RegExp('\\b'+attrValue+'\\b'))); };
break;
case '|': // Match start with value followed by optional hyphen
checkFunction = function(e) { return (e.getAttribute(attrName).match(new RegExp('^'+attrValue+'-?'))); };
break;
case '^': // Match starts with value
checkFunction = function(e) { return (e.getAttribute(attrName).indexOf(attrValue) == 0); };
break;
case '$': // Match ends with value - fails with "Warning" in Opera 7
checkFunction = function(e) { return (e.getAttribute(attrName).lastIndexOf(attrValue) == e.getAttribute(attrName).length - attrValue.length); };
break;
case '*': // Match ends with value
checkFunction = function(e) { return (e.getAttribute(attrName).indexOf(attrValue) > -1); };
break;
default :
// Just test for existence of attribute
checkFunction = function(e) { return e.getAttribute(attrName); };
}
currentContext = new Array;
var currentContextIndex = 0;
for (var k = 0; k < found.length; k++) {
if (checkFunction(found[k])) {
currentContext[currentContextIndex++] = found[k];
}
}
// alert('Attribute Selector: '+tagName+' '+attrName+' '+attrOperator+' '+attrValue);
continue; // Skip to next token
}
if (!currentContext[0]){
return;
}
// If we get here, token is JUST an element (not a class or ID selector)
tagName = token;
var found = new Array;
var foundCount = 0;
for (var h = 0; h < currentContext.length; h++) {
var elements = currentContext[h].getElementsByTagName(tagName);
for (var j = 0; j < elements.length; j++) {
found[foundCount++] = elements[j];
}
}
currentContext = found;
}
return currentContext;
}
/* That revolting regular expression explained
/^(\w+)\[(\w+)([=~\|\^\$\*]?)=?"?([^\]"]*)"?\]$/
\---/ \---/\-------------/ \-------/
| | | |
| | | The value
| | ~,|,^,$,* or =
| Attribute
Tag
*/
BEHAVIOUR-END
$r->print($output);
return Apache2::Const::OK;
}
sub scriptaculous {
my $r = shift;
$r->content_type("application/x-javascript");
$r->set_etag();
return Apache2::Const::OK if $r->header_only();
my $output=<<'SCRIPTACULOUS-END';
// Scriptaculous base
// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// For details, see the script.aculo.us web site: http://script.aculo.us/
// script.aculo.us effects.js v1.7.0, Fri Jan 19 19:16:36 CET 2007
// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// Contributors:
// Justin Palmer (http://encytemedia.com/)
// Mark Pilgrim (http://diveintomark.org/)
// Martin Bialasinki
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/
// converts rgb() and #xxx to #xxxxxx format,
// returns self (or first argument) if not convertable
String.prototype.parseColor = function() {
var color = '#';
if(this.slice(0,4) == 'rgb(') {
var cols = this.slice(4,this.length-1).split(',');
var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
} else {
if(this.slice(0,1) == '#') {
if(this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
if(this.length==7) color = this.toLowerCase();
}
}
return(color.length==7 ? color : (arguments[0] || this));
}
/*--------------------------------------------------------------------------*/
Element.collectTextNodes = function(element) {
return $A($(element).childNodes).collect( function(node) {
return (node.nodeType==3 ? node.nodeValue :
(node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
}).flatten().join('');
}
Element.collectTextNodesIgnoreClass = function(element, className) {
return $A($(element).childNodes).collect( function(node) {
return (node.nodeType==3 ? node.nodeValue :
((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
Element.collectTextNodesIgnoreClass(node, className) : ''));
}).flatten().join('');
}
Element.setContentZoom = function(element, percent) {
element = $(element);
element.setStyle({fontSize: (percent/100) + 'em'});
if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
return element;
}
Element.getOpacity = function(element){
return $(element).getStyle('opacity');
}
Element.setOpacity = function(element, value){
return $(element).setStyle({opacity:value});
}
Element.getInlineOpacity = function(element){
return $(element).style.opacity || '';
}
Element.forceRerendering = function(element) {
try {
element = $(element);
var n = document.createTextNode(' ');
element.appendChild(n);
element.removeChild(n);
} catch(e) { }
};
/*--------------------------------------------------------------------------*/
Array.prototype.call = function() {
var args = arguments;
this.each(function(f){ f.apply(this, args) });
}
/*--------------------------------------------------------------------------*/
var Effect = {
_elementDoesNotExistError: {
name: 'ElementDoesNotExistError',
message: 'The specified DOM element does not exist, but is required for this effect to operate'
},
tagifyText: function(element) {
if(typeof Builder == 'undefined')
throw("Effect.tagifyText requires including script.aculo.us' builder.js library");
var tagifyStyle = 'position:relative';
if(/MSIE/.test(navigator.userAgent) && !window.opera) tagifyStyle += ';zoom:1';
element = $(element);
$A(element.childNodes).each( function(child) {
if(child.nodeType==3) {
child.nodeValue.toArray().each( function(character) {
element.insertBefore(
Builder.node('span',{style: tagifyStyle},
character == ' ' ? String.fromCharCode(160) : character),
child);
});
Element.remove(child);
}
});
},
multiple: function(element, effect) {
var elements;
if(((typeof element == 'object') ||
(typeof element == 'function')) &&
(element.length))
elements = element;
else
elements = $(element).childNodes;
var options = Object.extend({
speed: 0.1,
delay: 0.0
}, arguments[2] || {});
var masterDelay = options.delay;
$A(elements).each( function(element, index) {
new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
});
},
PAIRS: {
'slide': ['SlideDown','SlideUp'],
'blind': ['BlindDown','BlindUp'],
'appear': ['Appear','Fade']
},
toggle: function(element, effect) {
element = $(element);
effect = (effect || 'appear').toLowerCase();
var options = Object.extend({
queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
}, arguments[2] || {});
Effect[element.visible() ?
Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
}
};
var Effect2 = Effect; // deprecated
/* ------------- transitions ------------- */
Effect.Transitions = {
linear: Prototype.K,
sinoidal: function(pos) {
return (-Math.cos(pos*Math.PI)/2) + 0.5;
},
reverse: function(pos) {
return 1-pos;
},
flicker: function(pos) {
return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
},
wobble: function(pos) {
return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
},
pulse: function(pos, pulses) {
pulses = pulses || 5;
return (
Math.round((pos % (1/pulses)) * pulses) == 0 ?
((pos * pulses * 2) - Math.floor(pos * pulses * 2)) :
1 - ((pos * pulses * 2) - Math.floor(pos * pulses * 2))
);
},
none: function(pos) {
return 0;
},
full: function(pos) {
return 1;
}
};
/* ------------- core effects ------------- */
Effect.ScopedQueue = Class.create();
Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {
initialize: function() {
this.effects = [];
this.interval = null;
},
_each: function(iterator) {
this.effects._each(iterator);
},
add: function(effect) {
var timestamp = new Date().getTime();
var position = (typeof effect.options.queue == 'string') ?
effect.options.queue : effect.options.queue.position;
switch(position) {
case 'front':
// move unstarted effects after this effect
this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
e.startOn += effect.finishOn;
e.finishOn += effect.finishOn;
});
break;
case 'with-last':
timestamp = this.effects.pluck('startOn').max() || timestamp;
break;
case 'end':
// start effect after last queued effect has finished
timestamp = this.effects.pluck('finishOn').max() || timestamp;
break;
}
effect.startOn += timestamp;
effect.finishOn += timestamp;
if(!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
this.effects.push(effect);
if(!this.interval)
this.interval = setInterval(this.loop.bind(this), 15);
},
remove: function(effect) {
this.effects = this.effects.reject(function(e) { return e==effect });
if(this.effects.length == 0) {
clearInterval(this.interval);
this.interval = null;
}
},
loop: function() {
var timePos = new Date().getTime();
for(var i=0, len=this.effects.length;i<len;i++)
if(this.effects[i]) this.effects[i].loop(timePos);
}
});
Effect.Queues = {
instances: $H(),
get: function(queueName) {
if(typeof queueName != 'string') return queueName;
if(!this.instances[queueName])
this.instances[queueName] = new Effect.ScopedQueue();
return this.instances[queueName];
}
}
Effect.Queue = Effect.Queues.get('global');
Effect.DefaultOptions = {
transition: Effect.Transitions.sinoidal,
duration: 1.0, // seconds
fps: 60.0, // max. 60fps due to Effect.Queue implementation
sync: false, // true for combining
from: 0.0,
to: 1.0,
delay: 0.0,
queue: 'parallel'
}
Effect.Base = function() {};
Effect.Base.prototype = {
position: null,
start: function(options) {
this.options = Object.extend(Object.extend({},Effect.DefaultOptions), options || {});
this.currentFrame = 0;
this.state = 'idle';
this.startOn = this.options.delay*1000;
this.finishOn = this.startOn + (this.options.duration*1000);
this.event('beforeStart');
if(!this.options.sync)
Effect.Queues.get(typeof this.options.queue == 'string' ?
'global' : this.options.queue.scope).add(this);
},
loop: function(timePos) {
if(timePos >= this.startOn) {
if(timePos >= this.finishOn) {
this.render(1.0);
this.cancel();
this.event('beforeFinish');
if(this.finish) this.finish();
this.event('afterFinish');
return;
}
var pos = (timePos - this.startOn) / (this.finishOn - this.startOn);
var frame = Math.round(pos * this.options.fps * this.options.duration);
if(frame > this.currentFrame) {
this.render(pos);
this.currentFrame = frame;
}
}
},
render: function(pos) {
if(this.state == 'idle') {
this.state = 'running';
this.event('beforeSetup');
if(this.setup) this.setup();
this.event('afterSetup');
}
if(this.state == 'running') {
if(this.options.transition) pos = this.options.transition(pos);
pos *= (this.options.to-this.options.from);
pos += this.options.from;
this.position = pos;
this.event('beforeUpdate');
if(this.update) this.update(pos);
this.event('afterUpdate');
}
},
cancel: function() {
if(!this.options.sync)
Effect.Queues.get(typeof this.options.queue == 'string' ?
'global' : this.options.queue.scope).remove(this);
this.state = 'finished';
},
event: function(eventName) {
if(this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
if(this.options[eventName]) this.options[eventName](this);
},
inspect: function() {
var data = $H();
for(property in this)
if(typeof this[property] != 'function') data[property] = this[property];
return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
}
}
Effect.Parallel = Class.create();
Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {
initialize: function(effects) {
this.effects = effects || [];
this.start(arguments[1]);
},
update: function(position) {
this.effects.invoke('render', position);
},
finish: function(position) {
this.effects.each( function(effect) {
effect.render(1.0);
effect.cancel();
effect.event('beforeFinish');
if(effect.finish) effect.finish(position);
effect.event('afterFinish');
});
}
});
Effect.Event = Class.create();
Object.extend(Object.extend(Effect.Event.prototype, Effect.Base.prototype), {
initialize: function() {
var options = Object.extend({
duration: 0
}, arguments[0] || {});
this.start(options);
},
update: Prototype.emptyFunction
});
Effect.Opacity = Class.create();
Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
if(!this.element) throw(Effect._elementDoesNotExistError);
// make this work on IE on elements without 'layout'
if(/MSIE/.test(navigator.userAgent) && !window.opera && (!this.element.currentStyle.hasLayout))
this.element.setStyle({zoom: 1});
var options = Object.extend({
from: this.element.getOpacity() || 0.0,
to: 1.0
}, arguments[1] || {});
this.start(options);
},
update: function(position) {
this.element.setOpacity(position);
}
});
Effect.Move = Class.create();
Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
if(!this.element) throw(Effect._elementDoesNotExistError);
var options = Object.extend({
x: 0,
y: 0,
mode: 'relative'
}, arguments[1] || {});
this.start(options);
},
setup: function() {
// Bug in Opera: Opera returns the "real" position of a static element or
// relative element that does not have top/left explicitly set.
// ==> Always set top and left for position relative elements in your stylesheets
// (to 0 if you do not need them)
this.element.makePositioned();
this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
this.originalTop = parseFloat(this.element.getStyle('top') || '0');
if(this.options.mode == 'absolute') {
// absolute movement, so we need to calc deltaX and deltaY
this.options.x = this.options.x - this.originalLeft;
this.options.y = this.options.y - this.originalTop;
}
},
update: function(position) {
this.element.setStyle({
left: Math.round(this.options.x * position + this.originalLeft) + 'px',
top: Math.round(this.options.y * position + this.originalTop) + 'px'
});
}
});
// for backwards compatibility
Effect.MoveBy = function(element, toTop, toLeft) {
return new Effect.Move(element,
Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));
};
Effect.Scale = Class.create();
Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
initialize: function(element, percent) {
this.element = $(element);
if(!this.element) throw(Effect._elementDoesNotExistError);
var options = Object.extend({
scaleX: true,
scaleY: true,
scaleContent: true,
scaleFromCenter: false,
scaleMode: 'box', // 'box' or 'contents' or {} with provided values
scaleFrom: 100.0,
scaleTo: percent
}, arguments[2] || {});
this.start(options);
},
setup: function() {
this.restoreAfterFinish = this.options.restoreAfterFinish || false;
this.elementPositioning = this.element.getStyle('position');
this.originalStyle = {};
['top','left','width','height','fontSize'].each( function(k) {
this.originalStyle[k] = this.element.style[k];
}.bind(this));
this.originalTop = this.element.offsetTop;
this.originalLeft = this.element.offsetLeft;
var fontSize = this.element.getStyle('font-size') || '100%';
['em','px','%','pt'].each( function(fontSizeType) {
if(fontSize.indexOf(fontSizeType)>0) {
this.fontSize = parseFloat(fontSize);
this.fontSizeType = fontSizeType;
}
}.bind(this));
this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
this.dims = null;
if(this.options.scaleMode=='box')
this.dims = [this.element.offsetHeight, this.element.offsetWidth];
if(/^content/.test(this.options.scaleMode))
this.dims = [this.element.scrollHeight, this.element.scrollWidth];
if(!this.dims)
this.dims = [this.options.scaleMode.originalHeight,
this.options.scaleMode.originalWidth];
},
update: function(position) {
var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
if(this.options.scaleContent && this.fontSize)
this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
},
finish: function(position) {
if(this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
},
setDimensions: function(height, width) {
var d = {};
if(this.options.scaleX) d.width = Math.round(width) + 'px';
if(this.options.scaleY) d.height = Math.round(height) + 'px';
if(this.options.scaleFromCenter) {
var topd = (height - this.dims[0])/2;
var leftd = (width - this.dims[1])/2;
if(this.elementPositioning == 'absolute') {
if(this.options.scaleY) d.top = this.originalTop-topd + 'px';
if(this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
} else {
if(this.options.scaleY) d.top = -topd + 'px';
if(this.options.scaleX) d.left = -leftd + 'px';
}
}
this.element.setStyle(d);
}
});
Effect.Highlight = Class.create();
Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
if(!this.element) throw(Effect._elementDoesNotExistError);
var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || {});
this.start(options);
},
setup: function() {
// Prevent executing on elements not in the layout flow
if(this.element.getStyle('display')=='none') { this.cancel(); return; }
// Disable background image during the effect
this.oldStyle = {};
if (!this.options.keepBackgroundImage) {
this.oldStyle.backgroundImage = this.element.getStyle('background-image');
this.element.setStyle({backgroundImage: 'none'});
}
if(!this.options.endcolor)
this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
if(!this.options.restorecolor)
this.options.restorecolor = this.element.getStyle('background-color');
// init color calculations
this._base = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this));
},
update: function(position) {
this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
return m+(Math.round(this._base[i]+(this._delta[i]*position)).toColorPart()); }.bind(this)) });
},
finish: function() {
this.element.setStyle(Object.extend(this.oldStyle, {
backgroundColor: this.options.restorecolor
}));
}
});
Effect.ScrollTo = Class.create();
Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
this.start(arguments[1] || {});
},
setup: function() {
Position.prepare();
var offsets = Position.cumulativeOffset(this.element);
if(this.options.offset) offsets[1] += this.options.offset;
var max = window.innerHeight ?
window.height - window.innerHeight :
document.body.scrollHeight -
(document.documentElement.clientHeight ?
document.documentElement.clientHeight : document.body.clientHeight);
this.scrollStart = Position.deltaY;
this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;
},
update: function(position) {
Position.prepare();
window.scrollTo(Position.deltaX,
this.scrollStart + (position*this.delta));
}
});
/* ------------- combination effects ------------- */
Effect.Fade = function(element) {
element = $(element);
var oldOpacity = element.getInlineOpacity();
var options = Object.extend({
from: element.getOpacity() || 1.0,
to: 0.0,
afterFinishInternal: function(effect) {
if(effect.options.to!=0) return;
effect.element.hide().setStyle({opacity: oldOpacity});
}}, arguments[1] || {});
return new Effect.Opacity(element,options);
}
Effect.Appear = function(element) {
element = $(element);
var options = Object.extend({
from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
to: 1.0,
// force Safari to render floated elements properly
afterFinishInternal: function(effect) {
effect.element.forceRerendering();
},
beforeSetup: function(effect) {
effect.element.setOpacity(effect.options.from).show();
}}, arguments[1] || {});
return new Effect.Opacity(element,options);
}
Effect.Puff = function(element) {
element = $(element);
var oldStyle = {
opacity: element.getInlineOpacity(),
position: element.getStyle('position'),
top: element.style.top,
left: element.style.left,
width: element.style.width,
height: element.style.height
};
return new Effect.Parallel(
[ new Effect.Scale(element, 200,
{ sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
Object.extend({ duration: 1.0,
beforeSetupInternal: function(effect) {
Position.absolutize(effect.effects[0].element)
},
afterFinishInternal: function(effect) {
effect.effects[0].element.hide().setStyle(oldStyle); }
}, arguments[1] || {})
);
}
Effect.BlindUp = function(element) {
element = $(element);
element.makeClipping();
return new Effect.Scale(element, 0,
Object.extend({ scaleContent: false,
scaleX: false,
restoreAfterFinish: true,
afterFinishInternal: function(effect) {
effect.element.hide().undoClipping();
}
}, arguments[1] || {})
);
}
Effect.BlindDown = function(element) {
element = $(element);
var elementDimensions = element.getDimensions();
return new Effect.Scale(element, 100, Object.extend({
scaleContent: false,
scaleX: false,
scaleFrom: 0,
scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
restoreAfterFinish: true,
afterSetup: function(effect) {
effect.element.makeClipping().setStyle({height: '0px'}).show();
},
afterFinishInternal: function(effect) {
effect.element.undoClipping();
}
}, arguments[1] || {}));
}
Effect.SwitchOff = function(element) {
element = $(element);
var oldOpacity = element.getInlineOpacity();
return new Effect.Appear(element, Object.extend({
duration: 0.4,
from: 0,
transition: Effect.Transitions.flicker,
afterFinishInternal: function(effect) {
new Effect.Scale(effect.element, 1, {
duration: 0.3, scaleFromCenter: true,
scaleX: false, scaleContent: false, restoreAfterFinish: true,
beforeSetup: function(effect) {
effect.element.makePositioned().makeClipping();
},
afterFinishInternal: function(effect) {
effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
}
})
}
}, arguments[1] || {}));
}
Effect.DropOut = function(element) {
element = $(element);
var oldStyle = {
top: element.getStyle('top'),
left: element.getStyle('left'),
opacity: element.getInlineOpacity() };
return new Effect.Parallel(
[ new Effect.Move(element, {x: 0, y: 100, sync: true }),
new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
Object.extend(
{ duration: 0.5,
beforeSetup: function(effect) {
effect.effects[0].element.makePositioned();
},
afterFinishInternal: function(effect) {
effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
}
}, arguments[1] || {}));
}
Effect.Shake = function(element) {
element = $(element);
var oldStyle = {
top: element.getStyle('top'),
left: element.getStyle('left') };
return new Effect.Move(element,
{ x: 20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x: -40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x: 40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x: -40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x: 40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x: -20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
effect.element.undoPositioned().setStyle(oldStyle);
}}) }}) }}) }}) }}) }});
}
Effect.SlideDown = function(element) {
element = $(element).cleanWhitespace();
// SlideDown need to have the content of the element wrapped in a container element with fixed height!
var oldInnerBottom = element.down().getStyle('bottom');
var elementDimensions = element.getDimensions();
return new Effect.Scale(element, 100, Object.extend({
scaleContent: false,
scaleX: false,
scaleFrom: window.opera ? 0 : 1,
scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
restoreAfterFinish: true,
afterSetup: function(effect) {
effect.element.makePositioned();
effect.element.down().makePositioned();
if(window.opera) effect.element.setStyle({top: ''});
effect.element.makeClipping().setStyle({height: '0px'}).show();
},
afterUpdateInternal: function(effect) {
effect.element.down().setStyle({bottom:
(effect.dims[0] - effect.element.clientHeight) + 'px' });
},
afterFinishInternal: function(effect) {
effect.element.undoClipping().undoPositioned();
effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
}, arguments[1] || {})
);
}
Effect.SlideUp = function(element) {
element = $(element).cleanWhitespace();
var oldInnerBottom = element.down().getStyle('bottom');
return new Effect.Scale(element, window.opera ? 0 : 1,
Object.extend({ scaleContent: false,
scaleX: false,
scaleMode: 'box',
scaleFrom: 100,
restoreAfterFinish: true,
beforeStartInternal: function(effect) {
effect.element.makePositioned();
effect.element.down().makePositioned();
if(window.opera) effect.element.setStyle({top: ''});
effect.element.makeClipping().show();
},
afterUpdateInternal: function(effect) {
effect.element.down().setStyle({bottom:
(effect.dims[0] - effect.element.clientHeight) + 'px' });
},
afterFinishInternal: function(effect) {
effect.element.hide().undoClipping().undoPositioned().setStyle({bottom: oldInnerBottom});
effect.element.down().undoPositioned();
}
}, arguments[1] || {})
);
}
// Bug in opera makes the TD containing this element expand for a instance after finish
Effect.Squish = function(element) {
return new Effect.Scale(element, window.opera ? 1 : 0, {
restoreAfterFinish: true,
beforeSetup: function(effect) {
effect.element.makeClipping();
},
afterFinishInternal: function(effect) {
effect.element.hide().undoClipping();
}
});
}
Effect.Grow = function(element) {
element = $(element);
var options = Object.extend({
direction: 'center',
moveTransition: Effect.Transitions.sinoidal,
scaleTransition: Effect.Transitions.sinoidal,
opacityTransition: Effect.Transitions.full
}, arguments[1] || {});
var oldStyle = {
top: element.style.top,
left: element.style.left,
height: element.style.height,
width: element.style.width,
opacity: element.getInlineOpacity() };
var dims = element.getDimensions();
var initialMoveX, initialMoveY;
var moveX, moveY;
switch (options.direction) {
case 'top-left':
initialMoveX = initialMoveY = moveX = moveY = 0;
break;
case 'top-right':
initialMoveX = dims.width;
initialMoveY = moveY = 0;
moveX = -dims.width;
break;
case 'bottom-left':
initialMoveX = moveX = 0;
initialMoveY = dims.height;
moveY = -dims.height;
break;
case 'bottom-right':
initialMoveX = dims.width;
initialMoveY = dims.height;
moveX = -dims.width;
moveY = -dims.height;
break;
case 'center':
initialMoveX = dims.width / 2;
initialMoveY = dims.height / 2;
moveX = -dims.width / 2;
moveY = -dims.height / 2;
break;
}
return new Effect.Move(element, {
x: initialMoveX,
y: initialMoveY,
duration: 0.01,
beforeSetup: function(effect) {
effect.element.hide().makeClipping().makePositioned();
},
afterFinishInternal: function(effect) {
new Effect.Parallel(
[ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
new Effect.Scale(effect.element, 100, {
scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
], Object.extend({
beforeSetup: function(effect) {
effect.effects[0].element.setStyle({height: '0px'}).show();
},
afterFinishInternal: function(effect) {
effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
}
}, options)
)
}
});
}
Effect.Shrink = function(element) {
element = $(element);
var options = Object.extend({
direction: 'center',
moveTransition: Effect.Transitions.sinoidal,
scaleTransition: Effect.Transitions.sinoidal,
opacityTransition: Effect.Transitions.none
}, arguments[1] || {});
var oldStyle = {
top: element.style.top,
left: element.style.left,
height: element.style.height,
width: element.style.width,
opacity: element.getInlineOpacity() };
var dims = element.getDimensions();
var moveX, moveY;
switch (options.direction) {
case 'top-left':
moveX = moveY = 0;
break;
case 'top-right':
moveX = dims.width;
moveY = 0;
break;
case 'bottom-left':
moveX = 0;
moveY = dims.height;
break;
case 'bottom-right':
moveX = dims.width;
moveY = dims.height;
break;
case 'center':
moveX = dims.width / 2;
moveY = dims.height / 2;
break;
}
return new Effect.Parallel(
[ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
], Object.extend({
beforeStartInternal: function(effect) {
effect.effects[0].element.makePositioned().makeClipping();
},
afterFinishInternal: function(effect) {
effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
}, options)
);
}
Effect.Pulsate = function(element) {
element = $(element);
var options = arguments[1] || {};
var oldOpacity = element.getInlineOpacity();
var transition = options.transition || Effect.Transitions.sinoidal;
var reverser = function(pos){ return transition(1-Effect.Transitions.pulse(pos, options.pulses)) };
reverser.bind(transition);
return new Effect.Opacity(element,
Object.extend(Object.extend({ duration: 2.0, from: 0,
afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
}, options), {transition: reverser}));
}
Effect.Fold = function(element) {
element = $(element);
var oldStyle = {
top: element.style.top,
left: element.style.left,
width: element.style.width,
height: element.style.height };
element.makeClipping();
return new Effect.Scale(element, 5, Object.extend({
scaleContent: false,
scaleX: false,
afterFinishInternal: function(effect) {
new Effect.Scale(element, 1, {
scaleContent: false,
scaleY: false,
afterFinishInternal: function(effect) {
effect.element.hide().undoClipping().setStyle(oldStyle);
} });
}}, arguments[1] || {}));
};
Effect.Morph = Class.create();
Object.extend(Object.extend(Effect.Morph.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
if(!this.element) throw(Effect._elementDoesNotExistError);
var options = Object.extend({
style: {}
}, arguments[1] || {});
if (typeof options.style == 'string') {
if(options.style.indexOf(':') == -1) {
var cssText = '', selector = '.' + options.style;
$A(document.styleSheets).reverse().each(function(styleSheet) {
if (styleSheet.cssRules) cssRules = styleSheet.cssRules;
else if (styleSheet.rules) cssRules = styleSheet.rules;
$A(cssRules).reverse().each(function(rule) {
if (selector == rule.selectorText) {
cssText = rule.style.cssText;
throw $break;
}
});
if (cssText) throw $break;
});
this.style = cssText.parseStyle();
options.afterFinishInternal = function(effect){
effect.element.addClassName(effect.options.style);
effect.transforms.each(function(transform) {
if(transform.style != 'opacity')
effect.element.style[transform.style.camelize()] = '';
});
}
} else this.style = options.style.parseStyle();
} else this.style = $H(options.style)
this.start(options);
},
setup: function(){
function parseColor(color){
if(!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
color = color.parseColor();
return $R(0,2).map(function(i){
return parseInt( color.slice(i*2+1,i*2+3), 16 )
});
}
this.transforms = this.style.map(function(pair){
var property = pair[0].underscore().dasherize(), value = pair[1], unit = null;
if(value.parseColor('#zzzzzz') != '#zzzzzz') {
value = value.parseColor();
unit = 'color';
} else if(property == 'opacity') {
value = parseFloat(value);
if(/MSIE/.test(navigator.userAgent) && !window.opera && (!this.element.currentStyle.hasLayout))
this.element.setStyle({zoom: 1});
} else if(Element.CSS_LENGTH.test(value))
var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/),
value = parseFloat(components[1]), unit = (components.length == 3) ? components[2] : null;
var originalValue = this.element.getStyle(property);
return $H({
style: property,
originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
targetValue: unit=='color' ? parseColor(value) : value,
unit: unit
});
}.bind(this)).reject(function(transform){
return (
(transform.originalValue == transform.targetValue) ||
(
transform.unit != 'color' &&
(isNaN(transform.originalValue) || isNaN(transform.targetValue))
)
)
});
},
update: function(position) {
var style = $H(), value = null;
this.transforms.each(function(transform){
value = transform.unit=='color' ?
$R(0,2).inject('#',function(m,v,i){
return m+(Math.round(transform.originalValue[i]+
(transform.targetValue[i] - transform.originalValue[i])*position)).toColorPart() }) :
transform.originalValue + Math.round(
((transform.targetValue - transform.originalValue) * position) * 1000)/1000 + transform.unit;
style[transform.style] = value;
});
this.element.setStyle(style);
}
});
Effect.Transform = Class.create();
Object.extend(Effect.Transform.prototype, {
initialize: function(tracks){
this.tracks = [];
this.options = arguments[1] || {};
this.addTracks(tracks);
},
addTracks: function(tracks){
tracks.each(function(track){
var data = $H(track).values().first();
this.tracks.push($H({
ids: $H(track).keys().first(),
effect: Effect.Morph,
options: { style: data }
}));
}.bind(this));
return this;
},
play: function(){
return new Effect.Parallel(
this.tracks.map(function(track){
var elements = [$(track.ids) || $$(track.ids)].flatten();
return elements.map(function(e){ return new track.effect(e, Object.extend({ sync:true }, track.options)) });
}).flatten(),
this.options
);
}
});
Element.CSS_PROPERTIES = $w(
'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
'fontSize fontWeight height left letterSpacing lineHeight ' +
'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
'right textIndent top width wordSpacing zIndex');
Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
String.prototype.parseStyle = function(){
var element = Element.extend(document.createElement('div'));
element.innerHTML = '<div style="' + this + '"></div>';
var style = element.down().style, styleRules = $H();
Element.CSS_PROPERTIES.each(function(property){
if(style[property]) styleRules[property] = style[property];
});
if(/MSIE/.test(navigator.userAgent) && !window.opera && this.indexOf('opacity') > -1) {
styleRules.opacity = this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1];
}
return styleRules;
};
Element.morph = function(element, style) {
new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || {}));
return element;
};
['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom',
'collectTextNodes','collectTextNodesIgnoreClass','morph'].each(
function(f) { Element.Methods[f] = Element[f]; }
);
Element.Methods.visualEffect = function(element, effect, options) {
s = effect.gsub(/_/, '-').camelize();
effect_class = s.charAt(0).toUpperCase() + s.substring(1);
new Effect[effect_class](element, options);
return $(element);
};
Element.addMethods();
// script.aculo.us builder.js v1.7.0, Fri Jan 19 19:16:36 CET 2007
// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/
var Builder = {
NODEMAP: {
AREA: 'map',
CAPTION: 'table',
COL: 'table',
COLGROUP: 'table',
LEGEND: 'fieldset',
OPTGROUP: 'select',
OPTION: 'select',
PARAM: 'object',
TBODY: 'table',
TD: 'table',
TFOOT: 'table',
TH: 'table',
THEAD: 'table',
TR: 'table'
},
// note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
// due to a Firefox bug
node: function(elementName) {
elementName = elementName.toUpperCase();
// try innerHTML approach
var parentTag = this.NODEMAP[elementName] || 'div';
var parentElement = document.createElement(parentTag);
try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
} catch(e) {}
var element = parentElement.firstChild || null;
// see if browser added wrapping tags
if(element && (element.tagName.toUpperCase() != elementName))
element = element.getElementsByTagName(elementName)[0];
// fallback to createElement approach
if(!element) element = document.createElement(elementName);
// abort if nothing could be created
if(!element) return;
// attributes (or text)
if(arguments[1])
if(this._isStringOrNumber(arguments[1]) ||
(arguments[1] instanceof Array)) {
this._children(element, arguments[1]);
} else {
var attrs = this._attributes(arguments[1]);
if(attrs.length) {
try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
parentElement.innerHTML = "<" +elementName + " " +
attrs + "></" + elementName + ">";
} catch(e) {}
element = parentElement.firstChild || null;
// workaround firefox 1.0.X bug
if(!element) {
element = document.createElement(elementName);
for(attr in arguments[1])
element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
}
if(element.tagName.toUpperCase() != elementName)
element = parentElement.getElementsByTagName(elementName)[0];
}
}
// text, or array of children
if(arguments[2])
this._children(element, arguments[2]);
return element;
},
_text: function(text) {
return document.createTextNode(text);
},
ATTR_MAP: {
'className': 'class',
'htmlFor': 'for'
},
_attributes: function(attributes) {
var attrs = [];
for(attribute in attributes)
attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) +
'="' + attributes[attribute].toString().escapeHTML() + '"');
return attrs.join(" ");
},
_children: function(element, children) {
if(typeof children=='object') { // array can hold nodes and text
children.flatten().each( function(e) {
if(typeof e=='object')
element.appendChild(e)
else
if(Builder._isStringOrNumber(e))
element.appendChild(Builder._text(e));
});
} else
if(Builder._isStringOrNumber(children))
element.appendChild(Builder._text(children));
},
_isStringOrNumber: function(param) {
return(typeof param=='string' || typeof param=='number');
},
build: function(html) {
var element = this.node('div');
$(element).update(html.strip());
return element.down();
},
dump: function(scope) {
if(typeof scope != 'object' && typeof scope != 'function') scope = window; //global scope
var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " +
"BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " +
"FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+
"KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+
"PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+
"TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);
tags.each( function(tag){
scope[tag] = function() {
return Builder.node.apply(Builder, [tag].concat($A(arguments)));
}
});
}
}
SCRIPTACULOUS-END
$r->print($output);
return Apache2::Const::OK;
}
sub json_js {
my $r = shift;
$r->content_type("application/x-javascript");
$r->set_etag();
return Apache2::Const::OK if $r->header_only();
my $output=<<'AUM-END';
// UploadMeter Object (makes assumptions about the target DOM, but still useful as a reference point)
var UploadMeter = Class.create();
UploadMeter.prototype = {
status: undefined,
ajax: undefined,
options: {
delay: 3.0 // Delay in seconds between requests (also almost duration of sliding effect for smoothest exerience)
},
// We can't seem to Element.extend our elements in a seperate window... Dunno why yet
// but it makes for uglier code :-(
// Constructor - Parameters are:
// el: Outer div to bind widget to
// meter: uploadmeter id
// url: uploadmeter ajax url
// options: additional callbacks, etc
initialize: function(el, meter, url, options) {
this.url = url;
this.meter = meter;
this.main = $(el);
Object.extend(this.options, options || {});
this.desc = Builder.node( "div", {className:'metercontent'});
this.main.appendChild(this.desc);
this.desc = $(this.desc);
Position.absolutize(this.desc);
Position.clone(this.main, this.desc);
this.ul = Builder.node( "div", {className:'meterunderlay'});
this.main.appendChild(this.ul);
this.ul = $(this.ul);
Position.absolutize(this.ul);
Position.clone(this.main, this.ul);
this.ul.setStyle({width: "0px"});
},
start: function() {
// Restart paused meter
if (this.ajax !== undefined) {
this.ajax.start();
return;
}
// Call onCreate hook
try {
(this.options.onCreate || Prototype.emptyFunction)();
UploadMeter.Responders.dispatch('onCreate', this);
} catch (e) {
this.dispatchException(e);
}
var errorFunc = function (transport) {
Element.setStyle(this.main, {'border-color': 'yellow'});
Element.update(this.desc, "Unknown");
Element.setStyle(this.ul, {'background-color': 'yellow'}).hide();
Position.clone(this.main, this.ul);
Element.show(this.ul);
}.bind(this);
// New meter
var params = "format=json&meter_id=" + this.meter;
new Ajax.Request(this.url, {
parameters: params,
onSuccess: function(transport) {
// Handle response
this.__onSuccess(transport);
// Start periodic
params = params + "&returned=1";
this.ajax = new PeriodicalExecuter(function() {
new Ajax.Request(this.url, {
parameters: params,
onSuccess: this.__onSuccess.bind(this)
});}.bind(this), this.options.delay);
}.bind(this),
on404: errorFunc,
on400: errorFunc
}); /* first request */
},
stop: function() {
try {this.ajax.stop();} catch (e) {}
},
__slide: function(element) {
element = $(element);
var elementDimensions = element.getDimensions();
return new Effect.Scale(element, 100, Object.extend({
scaleContent: false,
scaleY: false,
scaleFrom: 0,
scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
restoreAfterFinish: true,
afterSetup: function(effect) {
effect.element.makeClipping().setStyle({width: '0px'}).show();
},
afterFinishInternal: function(effect) {
effect.element.undoClipping();
},
afterFinish: function(effect) {
this.ul.setStyle({width: parseInt(this.ul.getStyle('width')) + parseInt(Element.getStyle(effect.element, 'width')) + "px"});
effect.element.remove();
}.bind(this)
}, arguments[1] || {}));
},
__onSuccess: function(transport) {
var json = eval('(' + transport.responseText + ')');
var last = this.status;
if (last===undefined) {
last = json;
try {
(this.options.onInitialize || Prototype.emptyFunction)(json, last);
UploadMeter.Responders.dispatch('onInitialize', this, json, last);
} catch (e) {
this.dispatchException(e);
}
}
var total = json.status.total;
var seen = json.status.received;
var progress = seen / total * 100;
var currentrate = Try.these(
function(){return (json.status.received - last.status.received) / (json.status.timestamp - last.status.timestamp);}
) || 0;
var elapsed = json.status.timestamp - json.status.start;
var remaining = Try.these(
function() {return (json.finished ? -1 : Math.round((json.status.total - json.status.received) / currentrate));}
) || "Unknown";
// Set to -1 so it doesn't trip the "Unknown"
if (remaining == -1) {remaining = 0;}
Object.extend(json, {
'total': total,
'seen': seen,
'progress': progress,
'currentrate': currentrate,
'elapsed': elapsed,
'remaining': remaining
});
this.status = json;
try {
(this.options.onUpdate || Prototype.emptyFunction)(json, last);
UploadMeter.Responders.dispatch('onUpdate', this, json, last);
} catch (e) {
this.dispatchException(e);
}
if (json.finished) {
this.stop();
try {
(this.options.onFinished || Prototype.emptyFunction)(json, last);
UploadMeter.Responders.dispatch('onFinished', this, json, last);
} catch (e) {
this.dispatchException(e);
}
}
this.__updategui(progress);
},
// Internal update function
__updategui: function(len) {
if (len > 100) {
len = 100;
}
len = Util.formatDec(len);
var temp = Builder.node( "div", {className:'meterunderlay slider'});
this.main.appendChild(Element.hide(temp));
temp = $(temp);
Position.absolutize(temp);
Position.clone(this.main, temp);
temp.setStyle({
width: ((parseInt(this.main.getStyle('width')) * len / 100) - parseInt(this.ul.getStyle('width'))) + "px",
left: (parseInt(this.ul.getStyle('left')) + parseInt(this.ul.getStyle('width'))) + "px"});
Element.update(this.desc, len + "%");
this.__slide(temp);
},
dispatchException: function(exception) {
(this.options.onException || Prototype.emptyFunction)(this, exception);
UploadMeter.Responders.dispatch('onException', this, exception);
}
};
// Global responder "hook" objects stolen from Ajax
UploadMeter.Responders = Object.extend({}, Ajax.Responders);
UploadMeter.Responders.responders = []; // Clear our responders
UploadMeter.Responders.dispatch = function(callback, meter, status, laststatus) {
this.each(function(responder) {
if (typeof responder[callback] == 'function') {
try {
responder[callback].apply(responder, [meter, status, laststatus]);
} catch (e) {}
}
});
};
Object.extend(UploadMeter.Responders, Enumerable);
var Util = {
formatTime: function(timestamp) {
if (isNaN(timestamp)) {
return timestamp;
}
if (!(isFinite(timestamp))) {
return "Unknown";
}
var oH, oM, oS, str;
str = "";
oS = Math.floor(timestamp % 60);
oM = Math.floor((timestamp / 60) % 60);
oH = Math.floor(timestamp / 60 / 60);
if (oH > 0) {
str = oH + ":";
}
str = str + ((oM == 0) ? "00:" : ((oM < 10) ? "0" + oM + ":" : oM + ":"));
str = str + ((oS == 0) ? "00" : ((oS < 10) ? "0" + oS : oS));
return str;
},
formatDec: function (val) {
sign = val < 0 ? "-":"";
rval = Math.abs(Math.round(val*100));
str = rval.toString();
if(rval < 10) str = "0.0"+str;
else if(rval < 100) str = "0."+str;
else str = str.substring(0, str.length-2)
+ "." + str.substring(str.length-2, str.length);
return sign+str;
}
};
// Default behavior code
var aum_el;
function addMeterURL(url) {
try {
if (url.indexOf('?') >= 0) {
return url + "&meter_id=" + meter_id;
} else {
return url + "?meter_id=" + meter_id;
}
} catch (e) {}
}
function aum_popup() {
var aum = window.open(meter_url + "/styles/aum_popup.html" ,"_new","toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=no,resizeable=no,width=450,height=240");
// Pass our info to the child window's global obj
Object.extend(aum, {'meter_id': meter_id, 'meter_url': meter_url});
}
var rules={
'.uploadform':function(el) {
el.action = addMeterURL(el.action);
aum_el = $(el); // Put this in a global so we can unregister later, if needed
Event.observe(aum_el, 'submit', aum_popup);
}
};
Behaviour.register(rules);
AUM-END
$r->print($output);
return Apache2::Const::OK;
}
1;