-/* Prototype JavaScript framework, version 1.5.0_rc0
- * (c) 2005 Sam Stephenson <sam@conio.net>
+/* 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_rc0',
- ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
+ Version: '1.5.0',
+ BrowserFeatures: {
+ XPath: !!document.evaluate
+ },
+ ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
emptyFunction: function() {},
- K: function(x) {return x}
+ K: function(x) { return x }
}
var Class = {
return destination;
}
-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;
+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();
}
Function.prototype.bindAsEventListener = function(object) {
- var __method = this;
+ var __method = this, args = $A(arguments), object = args.shift();
return function(event) {
- return __method.call(object, event || window.event);
+ return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments)));
}
}
these: function() {
var returnValue;
- for (var i = 0; i < arguments.length; i++) {
+ for (var i = 0, length = arguments.length; i < length; i++) {
var lambda = arguments[i];
try {
returnValue = lambda();
},
registerCallback: function() {
- setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
+ 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.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;
while (source.length > 0) {
if (match = source.match(pattern)) {
result += source.slice(0, match.index);
- result += (replacement(match) || '').toString();
+ result += String.interpret(replacement(match));
source = source.slice(match.index + match[0].length);
} else {
result += source, source = '';
unescapeHTML: function() {
var div = document.createElement('div');
div.innerHTML = this.stripTags();
- return div.childNodes[0] ? div.childNodes[0].nodeValue : '';
+ return div.childNodes[0] ? (div.childNodes.length > 1 ?
+ $A(div.childNodes).inject('',function(memo,node){ return memo+node.nodeValue }) :
+ div.childNodes[0].nodeValue) : '';
},
- toQueryParams: function() {
- var pairs = this.match(/^\??(.*)$/)[1].split('&');
- return pairs.inject({}, function(params, pairString) {
- var pair = pairString.split('=');
- params[pair[0]] = pair[1];
- return params;
+ 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;
});
},
return this.split('');
},
+ succ: function() {
+ return this.slice(0, this.length - 1) +
+ String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
+ },
+
camelize: function() {
- var oStringList = this.split('-');
- if (oStringList.length == 1) return oStringList[0];
+ var parts = this.split('-'), len = parts.length;
+ if (len == 1) return parts[0];
- var camelizedString = this.indexOf('-') == 0
- ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)
- : oStringList[0];
+ var camelized = this.charAt(0) == '-'
+ ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
+ : parts[0];
- for (var i = 1, len = oStringList.length; i < len; i++) {
- var s = oStringList[i];
- camelizedString += s.charAt(0).toUpperCase() + s.substring(1);
- }
+ for (var i = 1; i < len; i++)
+ camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
- return camelizedString;
+ return camelized;
},
- inspect: function() {
- return "'" + this.replace(/\\/g, '\\\\').replace(/'/g, '\\\'') + "'";
+ 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, '\\\'') + "'";
}
});
return this.template.gsub(this.pattern, function(match) {
var before = match[1];
if (before == '\\') return match[2];
- return before + (object[match[3]] || '').toString();
+ return before + String.interpret(object[match[3]]);
});
}
}
} 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) {
},
any: function(iterator) {
- var result = true;
+ var result = false;
this.each(function(value, index) {
if (result = !!(iterator || Prototype.K)(value, index))
throw $break;
collect: function(iterator) {
var results = [];
this.each(function(value, index) {
- results.push(iterator(value, index));
+ results.push((iterator || Prototype.K)(value, index));
});
return results;
},
- detect: function (iterator) {
+ detect: function(iterator) {
var result;
this.each(function(value, index) {
if (iterator(value, index)) {
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);
invoke: function(method) {
var args = $A(arguments).slice(1);
- return this.collect(function(value) {
+ return this.map(function(value) {
return value[method].apply(value, args);
});
},
},
sortBy: function(iterator) {
- return this.collect(function(value, index) {
+ return this.map(function(value, index) {
return {value: value, criteria: iterator(value, index)};
}).sort(function(left, right) {
var a = left.criteria, b = right.criteria;
},
toArray: function() {
- return this.collect(Prototype.K);
+ return this.map();
},
zip: function() {
});
},
+ size: function() {
+ return this.toArray().length;
+ },
+
inspect: function() {
return '#<Enumerable:' + this.toArray().inspect() + '>';
}
return iterable.toArray();
} else {
var results = [];
- for (var i = 0; i < iterable.length; i++)
+ for (var i = 0, length = iterable.length; i < length; i++)
results.push(iterable[i]);
return results;
}
Object.extend(Array.prototype, {
_each: function(iterator) {
- for (var i = 0; i < this.length; i++)
+ for (var i = 0, length = this.length; i < length; i++)
iterator(this[i]);
},
compact: function() {
return this.select(function(value) {
- return value != undefined || value != null;
+ return value != null;
});
},
},
indexOf: function(object) {
- for (var i = 0; i < this.length; i++)
+ for (var i = 0, length = this.length; i < length; i++)
if (this[i] == object) return i;
return -1;
},
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(', ') + ']';
}
});
-var Hash = {
+
+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 (typeof value == 'function') continue;
+ if (value && value == Hash.prototype[key]) continue;
var pair = [key, value];
pair.key = key;
},
merge: function(hash) {
- return $H(hash).inject($H(this), function(mergedHash, pair) {
+ 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 this.map(function(pair) {
- return pair.map(encodeURIComponent).join('=');
- }).join('&');
+ return Hash.toQueryString(this);
},
inspect: function() {
return pair.map(Object.inspect).join(': ');
}).join(', ') + '}>';
}
-}
+});
function $H(object) {
- var hash = Object.extend({}, object || {});
- Object.extend(hash, Enumerable);
- Object.extend(hash, Hash);
- return hash;
-}
+ if (object && object.constructor == Hash) return object;
+ return new Hash(object);
+};
ObjectRange = Class.create();
Object.extend(ObjectRange.prototype, Enumerable);
Object.extend(ObjectRange.prototype, {
_each: function(iterator) {
var value = this.start;
- do {
+ while (this.include(value)) {
iterator(value);
value = value.succ();
- } while (this.include(value));
+ }
},
include: function(value) {
this.responders._each(iterator);
},
- register: function(responderToAdd) {
- if (!this.include(responderToAdd))
- this.responders.push(responderToAdd);
+ register: function(responder) {
+ if (!this.include(responder))
+ this.responders.push(responder);
},
- unregister: function(responderToRemove) {
- this.responders = this.responders.without(responderToRemove);
+ unregister: function(responder) {
+ this.responders = this.responders.without(responder);
},
dispatch: function(callback, request, transport, json) {
this.each(function(responder) {
- if (responder[callback] && typeof responder[callback] == 'function') {
+ if (typeof responder[callback] == 'function') {
try {
responder[callback].apply(responder, [request, transport, json]);
} catch (e) {}
onCreate: function() {
Ajax.activeRequestCount++;
},
-
onComplete: function() {
Ajax.activeRequestCount--;
}
method: 'post',
asynchronous: true,
contentType: 'application/x-www-form-urlencoded',
+ encoding: 'UTF-8',
parameters: ''
}
Object.extend(this.options, options || {});
- },
-
- responseIsSuccess: function() {
- return this.transport.status == undefined
- || this.transport.status == 0
- || (this.transport.status >= 200 && this.transport.status < 300);
- },
- responseIsFailure: function() {
- return !this.responseIsSuccess();
+ this.options.method = this.options.method.toLowerCase();
+ if (typeof this.options.parameters == 'string')
+ this.options.parameters = this.options.parameters.toQueryParams();
}
}
['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);
},
request: function(url) {
- var parameters = this.options.parameters || '';
- if (parameters.length > 0) parameters += '&_=';
+ this.url = url;
+ this.method = this.options.method;
+ var params = this.options.parameters;
- try {
- this.url = url;
- if (this.options.method == 'get' && parameters.length > 0)
- this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;
+ if (!['get', 'post'].include(this.method)) {
+ // 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.options.method, this.url,
+ this.transport.open(this.method.toUpperCase(), this.url,
this.options.asynchronous);
- if (this.options.asynchronous) {
- this.transport.onreadystatechange = this.onStateChange.bind(this);
- setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
- }
+ if (this.options.asynchronous)
+ setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10);
+ this.transport.onreadystatechange = this.onStateChange.bind(this);
this.setRequestHeaders();
- var body = this.options.postBody ? this.options.postBody : parameters;
- this.transport.send(this.options.method == 'post' ? body : null);
+ var body = this.method == 'post' ? (this.options.postBody || params) : null;
- } catch (e) {
- this.dispatchException(e);
- }
- },
-
- setRequestHeaders: function() {
- var requestHeaders =
- ['X-Requested-With', 'XMLHttpRequest',
- 'X-Prototype-Version', Prototype.Version,
- 'Accept', 'text/javascript, text/html, application/xml, text/xml, */*'];
+ this.transport.send(body);
- if (this.options.method == 'post') {
- requestHeaders.push('Content-type', this.options.contentType);
+ /* Force Firefox to handle ready state 4 for synchronous requests */
+ if (!this.options.asynchronous && this.transport.overrideMimeType)
+ this.onStateChange();
- /* Force "Connection: close" for Mozilla browsers to work around
- * a bug where XMLHttpReqeuest sends an incorrect Content-length
- * header. See Mozilla Bugzilla #246651.
- */
- if (this.transport.overrideMimeType)
- requestHeaders.push('Connection', 'close');
}
-
- if (this.options.requestHeaders)
- requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);
-
- for (var i = 0; i < requestHeaders.length; i += 2)
- this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
+ catch (e) {
+ this.dispatchException(e);
+ }
},
onStateChange: function() {
var readyState = this.transport.readyState;
- if (readyState != 1)
+ if (readyState > 1 && !((readyState == 4) && this._complete))
this.respondToReadyState(this.transport.readyState);
},
- header: function(name) {
- try {
- return this.transport.getResponseHeader(name);
- } catch (e) {}
- },
+ 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';
+ }
- evalJSON: function() {
- try {
- return eval('(' + this.header('X-JSON') + ')');
- } catch (e) {}
- },
+ // user-defined headers
+ if (typeof this.options.requestHeaders == 'object') {
+ var extras = this.options.requestHeaders;
- evalResponse: function() {
- try {
- return eval(this.transport.responseText);
- } catch (e) {
- this.dispatchException(e);
+ if (typeof extras.push == 'function')
+ for (var i = 0, length = extras.length; i < length; i += 2)
+ headers[extras[i]] = extras[i+1];
+ else
+ $H(extras).each(function(pair) { headers[pair.key] = pair.value });
}
+
+ for (var name in headers)
+ this.transport.setRequestHeader(name, headers[name]);
+ },
+
+ success: function() {
+ return !this.transport.status
+ || (this.transport.status >= 200 && this.transport.status < 300);
},
respondToReadyState: function(readyState) {
- var event = Ajax.Request.Events[readyState];
+ var state = Ajax.Request.Events[readyState];
var transport = this.transport, json = this.evalJSON();
- if (event == 'Complete') {
+ if (state == 'Complete') {
try {
+ this._complete = true;
(this.options['on' + this.transport.status]
- || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
+ || this.options['on' + (this.success() ? 'Success' : 'Failure')]
|| Prototype.emptyFunction)(transport, json);
} catch (e) {
this.dispatchException(e);
}
- if ((this.header('Content-type') || '').match(/^text\/javascript/i))
- this.evalResponse();
+ if ((this.getHeader('Content-type') || 'text/javascript').strip().
+ match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))
+ this.evalResponse();
}
try {
- (this.options['on' + event] || Prototype.emptyFunction)(transport, json);
- Ajax.Responders.dispatch('on' + event, this, transport, json);
+ (this.options['on' + state] || Prototype.emptyFunction)(transport, json);
+ Ajax.Responders.dispatch('on' + state, this, transport, json);
} catch (e) {
this.dispatchException(e);
}
- /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
- if (event == 'Complete')
+ 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) {
Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
initialize: function(container, url, options) {
- this.containers = {
- success: container.success ? $(container.success) : $(container),
- failure: container.failure ? $(container.failure) :
- (container.success ? null : $(container))
+ 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, object) {
+ this.options.onComplete = (function(transport, param) {
this.updateContent();
- onComplete(transport, object);
+ onComplete(transport, param);
}).bind(this);
this.request(url);
},
updateContent: function() {
- var receiver = this.responseIsSuccess() ?
- this.containers.success : this.containers.failure;
+ var receiver = this.container[this.success() ? 'success' : 'failure'];
var response = this.transport.responseText;
- if (!this.options.evalScripts)
- response = response.stripScripts();
+ if (!this.options.evalScripts) response = response.stripScripts();
- if (receiver) {
- if (this.options.insertion) {
+ if (receiver = $(receiver)) {
+ if (this.options.insertion)
new this.options.insertion(receiver, response);
- } else {
- Element.update(receiver, response);
- }
+ else
+ receiver.update(response);
}
- if (this.responseIsSuccess()) {
+ if (this.success()) {
if (this.onComplete)
setTimeout(this.onComplete.bind(this), 10);
}
},
stop: function() {
- this.updater.onComplete = undefined;
+ this.updater.options.onComplete = undefined;
clearTimeout(this.timer);
(this.onComplete || Prototype.emptyFunction).apply(this, arguments);
},
this.updater = new Ajax.Updater(this.container, this.url, this.options);
}
});
-function $() {
- var results = [], element;
- for (var i = 0; i < arguments.length; i++) {
- element = arguments[i];
- if (typeof element == 'string')
- element = document.getElementById(element);
- results.push(Element.extend(element));
+function $(element) {
+ if (arguments.length > 1) {
+ for (var i = 0, elements = [], length = arguments.length; i < length; i++)
+ elements.push($(arguments[i]));
+ return elements;
}
- return results.length < 2 ? results[0] : results;
+ if (typeof element == 'string')
+ element = document.getElementById(element);
+ return Element.extend(element);
+}
+
+if (Prototype.BrowserFeatures.XPath) {
+ document._getElementsByXPath = function(expression, parentElement) {
+ var results = [];
+ var query = document.evaluate(expression, $(parentElement) || document,
+ null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
+ for (var i = 0, length = query.snapshotLength; i < length; i++)
+ results.push(query.snapshotItem(i));
+ return results;
+ };
}
document.getElementsByClassName = function(className, parentElement) {
- var children = ($(parentElement) || document.body).getElementsByTagName('*');
- return $A(children).inject([], function(elements, child) {
- if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
- elements.push(Element.extend(child));
+ if (Prototype.BrowserFeatures.XPath) {
+ var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
+ return document._getElementsByXPath(q, parentElement);
+ } else {
+ var children = ($(parentElement) || document.body).getElementsByTagName('*');
+ var elements = [], child;
+ for (var i = 0, length = children.length; i < length; i++) {
+ child = children[i];
+ if (Element.hasClassName(child, className))
+ elements.push(Element.extend(child));
+ }
return elements;
- });
-}
+ }
+};
/*--------------------------------------------------------------------------*/
var Element = new Object();
Element.extend = function(element) {
- if (!element) return;
- if (_nativeExtensions) return element;
+ if (!element || _nativeExtensions || element.nodeType == 3) return element;
if (!element._extended && element.tagName && element != window) {
- var methods = Element.Methods, cache = Element.extend.cache;
- for (property in methods) {
+ var methods = Object.clone(Element.Methods), cache = Element.extend.cache;
+
+ if (element.tagName == 'FORM')
+ Object.extend(methods, Form.Methods);
+ if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName))
+ Object.extend(methods, Form.Element.Methods);
+
+ Object.extend(methods, Element.Methods.Simulated);
+
+ for (var property in methods) {
var value = methods[property];
- if (typeof value == 'function')
+ if (typeof value == 'function' && !(property in element))
element[property] = cache.findOrStore(value);
}
}
element._extended = true;
return element;
-}
+};
Element.extend.cache = {
findOrStore: function(value) {
return value.apply(null, [this].concat($A(arguments)));
}
}
-}
+};
Element.Methods = {
visible: function(element) {
return $(element).style.display != 'none';
},
- toggle: function() {
- for (var i = 0; i < arguments.length; i++) {
- var element = $(arguments[i]);
- Element[Element.visible(element) ? 'hide' : 'show'](element);
- }
+ toggle: function(element) {
+ element = $(element);
+ Element[Element.visible(element) ? 'hide' : 'show'](element);
+ return element;
},
- hide: function() {
- for (var i = 0; i < arguments.length; i++) {
- var element = $(arguments[i]);
- element.style.display = 'none';
- }
+ hide: function(element) {
+ $(element).style.display = 'none';
+ return element;
},
- show: function() {
- for (var i = 0; i < arguments.length; i++) {
- var element = $(arguments[i]);
- element.style.display = '';
- }
+ 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 {
range.createContextualFragment(html.stripScripts()), element);
}
setTimeout(function() {html.evalScripts()}, 10);
+ return element;
},
- getHeight: function(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 = $(element);
- return element.offsetHeight;
+ return element.previousSiblings().reverse().concat(element.nextSiblings());
+ },
+
+ match: function(element, selector) {
+ if (typeof selector == 'string')
+ selector = new Selector(selector);
+ return selector.match($(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) {
hasClassName: function(element, className) {
if (!(element = $(element))) return;
- return Element.classNames(element).include(className);
+ var elementClassName = element.className;
+ if (elementClassName.length == 0) return false;
+ if (elementClassName == className ||
+ elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
+ return true;
+ return false;
},
addClassName: function(element, className) {
if (!(element = $(element))) return;
- return Element.classNames(element).add(className);
+ Element.classNames(element).add(className);
+ return element;
},
removeClassName: function(element, className) {
if (!(element = $(element))) return;
- return Element.classNames(element).remove(className);
+ 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);
- for (var i = 0; i < element.childNodes.length; i++) {
- var node = element.childNodes[i];
+ var node = element.firstChild;
+ while (node) {
+ var nextNode = node.nextSibling;
if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
- Element.remove(node);
+ element.removeChild(node);
+ node = nextNode;
}
+ return element;
},
empty: function(element) {
return $(element).innerHTML.match(/^\s*$/);
},
- childOf: function(element, ancestor) {
+ descendantOf: function(element, ancestor) {
element = $(element), ancestor = $(ancestor);
while (element = element.parentNode)
if (element == ancestor) return true;
scrollTo: function(element) {
element = $(element);
- var x = element.x ? element.x : element.offsetLeft,
- y = element.y ? element.y : element.offsetTop;
- window.scrollTo(x, y);
+ var pos = Position.cumulativeOffset(element);
+ window.scrollTo(pos[0], pos[1]);
+ return element;
},
getStyle: function(element, style) {
element = $(element);
- var value = element.style[style.camelize()];
+ 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.getPropertyValue(style) : null;
+ value = css ? css[style] : null;
} else if (element.currentStyle) {
- value = element.currentStyle[style.camelize()];
+ 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)
- element.style[name.camelize()] = style[name];
+ 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);
- if (Element.getStyle(element, 'display') != 'none')
+ 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,
var els = element.style;
var originalVisibility = els.visibility;
var originalPosition = els.position;
+ var originalDisplay = els.display;
els.visibility = 'hidden';
els.position = 'absolute';
- els.display = '';
+ els.display = 'block';
var originalWidth = element.clientWidth;
var originalHeight = element.clientHeight;
- els.display = 'none';
+ els.display = originalDisplay;
els.position = originalPosition;
els.visibility = originalVisibility;
return {width: originalWidth, height: originalHeight};
element.style.left = 0;
}
}
+ return element;
},
undoPositioned: function(element) {
element.style.bottom =
element.style.right = '';
}
+ return element;
},
makeClipping: function(element) {
element = $(element);
- if (element._overflow) return;
- element._overflow = element.style.overflow;
+ 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.style.overflow = element._overflow;
- element._overflow = undefined;
+ 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(!HTMLElement && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
- var HTMLElement = {}
- HTMLElement.prototype = document.createElement('div').__proto__;
-}
+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 || {});
- if(typeof HTMLElement != 'undefined') {
- var methods = Element.Methods, cache = Element.extend.cache;
- for (property in methods) {
+ function copy(methods, destination, onlyIfAbsent) {
+ onlyIfAbsent = onlyIfAbsent || false;
+ var cache = Element.extend.cache;
+ for (var property in methods) {
var value = methods[property];
- if (typeof value == 'function')
- HTMLElement.prototype[property] = cache.findOrStore(value);
+ 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;
}
}
-Element.addMethods();
-
var Toggle = new Object();
Toggle.display = Element.toggle;
try {
this.element.insertAdjacentHTML(this.adjacency, this.content);
} catch (e) {
- var tagName = this.element.tagName.toLowerCase();
- if (tagName == 'tbody' || tagName == 'tr') {
+ var tagName = this.element.tagName.toUpperCase();
+ if (['TBODY', 'TR'].include(tagName)) {
this.insertContent(this.contentFromAnonymousTable());
} else {
throw e;
add: function(classNameToAdd) {
if (this.include(classNameToAdd)) return;
- this.set(this.toArray().concat(classNameToAdd).join(' '));
+ this.set($A(this).concat(classNameToAdd).join(' '));
},
remove: function(classNameToRemove) {
if (!this.include(classNameToRemove)) return;
- this.set(this.select(function(className) {
- return className != classNameToRemove;
- }).join(' '));
+ this.set($A(this).without(classNameToRemove).join(' '));
},
toString: function() {
- return this.toArray().join(' ');
+ return $A(this).join(' ');
}
-}
+};
Object.extend(Element.ClassNames.prototype, Enumerable);
var Selector = Class.create();
if (params.wildcard)
conditions.push('true');
if (clause = params.id)
- conditions.push('element.id == ' + clause.inspect());
+ 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; i < clause.length; i++)
- conditions.push('Element.hasClassName(element, ' + clause[i].inspect() + ')');
+ 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.getAttribute(' + attribute.name.inspect() + ')';
+ var value = 'element.readAttribute(' + attribute.name.inspect() + ')';
var splitValueBy = function(delimiter) {
return value + ' && ' + value + '.split(' + delimiter.inspect() + ')';
}
); break;
case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break;
case '':
- case undefined: conditions.push(value + ' != null'); break;
+ case undefined: conditions.push('element.hasAttribute(' + attribute.name.inspect() + ')'); break;
default: throw 'Unknown operator ' + attribute.operator + ' in selector';
}
});
compileMatcher: function() {
this.match = new Function('element', 'if (!element.tagName) return false; \
+ element = $(element); \
return ' + this.buildMatchExpression());
},
scope = (scope || document).getElementsByTagName(this.params.tagName || '*');
var results = [];
- for (var i = 0; i < scope.length; i++)
+ for (var i = 0, length = scope.length; i < length; i++)
if (this.match(element = scope[i]))
results.push(Element.extend(element));
}
}
-function $$() {
- return $A(arguments).map(function(expression) {
- return expression.strip().split(/\s+/).inject([null], function(results, expr) {
- var selector = new Selector(expr);
- return results.map(selector.findElements.bind(selector)).flatten();
- });
- }).flatten();
-}
-var Field = {
- clear: function() {
- for (var i = 0; i < arguments.length; i++)
- $(arguments[i]).value = '';
- },
-
- focus: function(element) {
- $(element).focus();
- },
-
- present: function() {
- for (var i = 0; i < arguments.length; i++)
- if ($(arguments[i]).value == '') return false;
- return true;
+Object.extend(Selector, {
+ matchElements: function(elements, expression) {
+ var selector = new Selector(expression);
+ return elements.select(selector.match.bind(selector)).map(Element.extend);
},
- select: function(element) {
- $(element).select();
+ findElement: function(elements, expression, index) {
+ if (typeof expression == 'number') index = expression, expression = false;
+ return Selector.matchElements(elements, expression || '*')[index || 0];
},
- activate: function(element) {
- element = $(element);
- element.focus();
- if (element.select)
- element.select();
+ findChildElements: function(element, expressions) {
+ return expressions.map(function(expression) {
+ return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) {
+ var selector = new Selector(expr);
+ return results.inject([], function(elements, result) {
+ return elements.concat(selector.findElements(result || element));
+ });
+ });
+ }).flatten();
}
-}
-
-/*--------------------------------------------------------------------------*/
+});
+function $$() {
+ return Selector.findChildElements(document, $A(arguments));
+}
var Form = {
- serialize: function(form) {
- var elements = Form.getElements($(form));
- var queryComponents = new Array();
-
- for (var i = 0; i < elements.length; i++) {
- var queryComponent = Form.Element.serialize(elements[i]);
- if (queryComponent)
- queryComponents.push(queryComponent);
- }
+ 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);
+ }
+};
- return queryComponents.join('&');
+Form.Methods = {
+ serialize: function(form, getHash) {
+ return Form.serializeElements(Form.getElements(form), getHash);
},
getElements: function(form) {
- form = $(form);
- var elements = new Array();
-
- for (var tagName in Form.Element.Serializers) {
- var tagElements = form.getElementsByTagName(tagName);
- for (var j = 0; j < tagElements.length; j++)
- elements.push(tagElements[j]);
- }
- return elements;
+ 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 inputs;
+ if (!typeName && !name) return $A(inputs).map(Element.extend);
- var matchingInputs = new Array();
- for (var i = 0; i < inputs.length; i++) {
+ for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
var input = inputs[i];
- if ((typeName && input.type != typeName) ||
- (name && input.name != name))
+ if ((typeName && input.type != typeName) || (name && input.name != name))
continue;
- matchingInputs.push(input);
+ matchingInputs.push(Element.extend(input));
}
return matchingInputs;
},
disable: function(form) {
- var elements = Form.getElements(form);
- for (var i = 0; i < elements.length; i++) {
- var element = elements[i];
+ form = $(form);
+ form.getElements().each(function(element) {
element.blur();
element.disabled = 'true';
- }
+ });
+ return form;
},
enable: function(form) {
- var elements = Form.getElements(form);
- for (var i = 0; i < elements.length; i++) {
- var element = elements[i];
+ form = $(form);
+ form.getElements().each(function(element) {
element.disabled = '';
- }
+ });
+ return form;
},
findFirstElement: function(form) {
- return Form.getElements(form).find(function(element) {
+ return $(form).getElements().find(function(element) {
return element.type != 'hidden' && !element.disabled &&
['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
});
},
focusFirstElement: function(form) {
- Field.activate(Form.findFirstElement(form));
+ form = $(form);
+ form.findFirstElement().activate();
+ return form;
+ }
+}
+
+Object.extend(Form, Form.Methods);
+
+/*--------------------------------------------------------------------------*/
+
+Form.Element = {
+ focus: function(element) {
+ $(element).focus();
+ return element;
},
- reset: function(form) {
- $(form).reset();
+ select: function(element) {
+ $(element).select();
+ return element;
}
}
-Form.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();
- var parameter = Form.Element.Serializers[method](element);
+ return Form.Element.Serializers[method](element);
+ },
- if (parameter) {
- var key = encodeURIComponent(parameter[0]);
- if (key.length == 0) return;
+ clear: function(element) {
+ $(element).value = '';
+ return element;
+ },
- if (parameter[1].constructor != Array)
- parameter[1] = [parameter[1]];
+ present: function(element) {
+ return $(element).value != '';
+ },
- return parameter[1].map(function(value) {
- return key + '=' + encodeURIComponent(value);
- }).join('&');
- }
+ activate: function(element) {
+ element = $(element);
+ element.focus();
+ if (element.select && ( element.tagName.toLowerCase() != 'input' ||
+ !['button', 'reset', 'submit'].include(element.type) ) )
+ element.select();
+ return element;
},
- getValue: function(element) {
+ disable: function(element) {
element = $(element);
- var method = element.tagName.toLowerCase();
- var parameter = Form.Element.Serializers[method](element);
+ element.disabled = true;
+ return element;
+ },
- if (parameter)
- return parameter[1];
+ 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 'submit':
- case 'hidden':
- case 'password':
- case 'text':
- return Form.Element.Serializers.textarea(element);
case 'checkbox':
case 'radio':
return Form.Element.Serializers.inputSelector(element);
+ default:
+ return Form.Element.Serializers.textarea(element);
}
- return false;
},
inputSelector: function(element) {
- if (element.checked)
- return [element.name, element.value];
+ return element.checked ? element.value : null;
},
textarea: function(element) {
- return [element.name, element.value];
+ return element.value;
},
select: function(element) {
- return Form.Element.Serializers[element.type == 'select-one' ?
+ return this[element.type == 'select-one' ?
'selectOne' : 'selectMany'](element);
},
selectOne: function(element) {
- var value = '', opt, index = element.selectedIndex;
- if (index >= 0) {
- opt = element.options[index];
- value = opt.value || opt.text;
- }
- return [element.name, value];
+ var index = element.selectedIndex;
+ return index >= 0 ? this.optionValue(element.options[index]) : null;
},
selectMany: function(element) {
- var value = [];
- for (var i = 0; i < element.length; i++) {
+ 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)
- value.push(opt.value || opt.text);
+ if (opt.selected) values.push(this.optionValue(opt));
}
- return [element.name, value];
+ return values;
+ },
+
+ optionValue: function(opt) {
+ // extend element because hasAttribute may not be native
+ return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
}
}
/*--------------------------------------------------------------------------*/
-var $F = Form.Element.getValue;
-
-/*--------------------------------------------------------------------------*/
-
Abstract.TimedObserver = function() {}
Abstract.TimedObserver.prototype = {
initialize: function(element, frequency, callback) {
onTimerEvent: function() {
var value = this.getValue();
- if (this.lastValue != value) {
+ 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;
}
},
registerFormCallbacks: function() {
- var elements = Form.getElements(this.element);
- for (var i = 0; i < elements.length; i++)
- this.registerCallback(elements[i]);
+ Form.getElements(this.element).each(this.registerCallback.bind(this));
},
registerCallback: function(element) {
case 'radio':
Event.observe(element, 'click', this.onElementEvent.bind(this));
break;
- case 'password':
- case 'text':
- case 'textarea':
- case 'select-one':
- case 'select-multiple':
+ default:
Event.observe(element, 'change', this.onElementEvent.bind(this));
break;
}
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;
unloadCache: function() {
if (!Event.observers) return;
- for (var i = 0; i < Event.observers.length; i++) {
+ for (var i = 0, length = Event.observers.length; i < length; i++) {
Event.stopObserving.apply(this, Event.observers[i]);
Event.observers[i][0] = null;
}
},
observe: function(element, name, observer, useCapture) {
- var element = $(element);
+ element = $(element);
useCapture = useCapture || false;
if (name == 'keypress' &&
|| element.attachEvent))
name = 'keydown';
- this._observeAndCache(element, name, observer, useCapture);
+ Event._observeAndCache(element, name, observer, useCapture);
},
stopObserving: function(element, name, observer, useCapture) {
- var element = $(element);
+ element = $(element);
useCapture = useCapture || false;
if (name == 'keypress' &&
if (element.removeEventListener) {
element.removeEventListener(name, observer, useCapture);
} else if (element.detachEvent) {
- element.detachEvent('on' + name, observer);
+ try {
+ element.detachEvent('on' + name, observer);
+ } catch (e) {}
}
}
});
valueL += element.offsetLeft || 0;
element = element.offsetParent;
if (element) {
- p = Element.getStyle(element, 'position');
+ if(element.tagName=='BODY') break;
+ var p = Element.getStyle(element, 'position');
if (p == 'relative' || p == 'absolute') break;
}
} while (element);
element.offsetWidth;
},
- clone: function(source, target) {
- source = $(source);
- target = $(target);
- target.style.position = 'absolute';
- var offsets = this.cumulativeOffset(source);
- target.style.top = offsets[1] + 'px';
- target.style.left = offsets[0] + 'px';
- target.style.width = source.offsetWidth + 'px';
- target.style.height = source.offsetHeight + 'px';
- },
-
page: function(forElement) {
var valueT = 0, valueL = 0;
element = forElement;
do {
- valueT -= element.scrollTop || 0;
- valueL -= element.scrollLeft || 0;
+ if (!window.opera || element.tagName=='BODY') {
+ valueT -= element.scrollTop || 0;
+ valueL -= element.scrollLeft || 0;
+ }
} while (element = element.parentNode);
return [valueL, valueT];
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';;
+ element.style.top = top + 'px';
+ element.style.left = left + 'px';
+ element.style.width = width + 'px';
+ element.style.height = height + 'px';
},
relativize: function(element) {
return [valueL, valueT];
}
-}
\ No newline at end of file
+}
+
+Element.addMethods();
\ No newline at end of file
projects / rails.git / blobdiff