-/* Prototype JavaScript framework, version 1.6.0.1
- * (c) 2005-2007 Sam Stephenson
+/* Prototype JavaScript framework, version 1.6.0.3
+ * (c) 2005-2008 Sam Stephenson
*
* Prototype is freely distributable under the terms of an MIT-style license.
* For details, see the Prototype web site: http://www.prototypejs.org/
*--------------------------------------------------------------------------*/
var Prototype = {
- Version: '1.6.0.1',
+ Version: '1.6.0.3',
Browser: {
- IE: !!(window.attachEvent && !window.opera),
- Opera: !!window.opera,
+ IE: !!(window.attachEvent &&
+ navigator.userAgent.indexOf('Opera') === -1),
+ Opera: navigator.userAgent.indexOf('Opera') > -1,
WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
- Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1,
+ Gecko: navigator.userAgent.indexOf('Gecko') > -1 &&
+ navigator.userAgent.indexOf('KHTML') === -1,
MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
},
BrowserFeatures: {
XPath: !!document.evaluate,
+ SelectorsAPI: !!document.querySelector,
ElementExtensions: !!window.HTMLElement,
SpecificElementExtensions:
- document.createElement('div').__proto__ &&
- document.createElement('div').__proto__ !==
- document.createElement('form').__proto__
+ document.createElement('div')['__proto__'] &&
+ document.createElement('div')['__proto__'] !==
+ document.createElement('form')['__proto__']
},
ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
var property = properties[i], value = source[property];
if (ancestor && Object.isFunction(value) &&
value.argumentNames().first() == "$super") {
- var method = value, value = Object.extend((function(m) {
+ var method = value;
+ value = (function(m) {
return function() { return ancestor[m].apply(this, arguments) };
- })(property).wrap(method), {
- valueOf: function() { return method },
- toString: function() { return method.toString() }
- });
+ })(property).wrap(method);
+
+ value.valueOf = method.valueOf.bind(method);
+ value.toString = method.toString.bind(method);
}
this.prototype[property] = value;
}
try {
if (Object.isUndefined(object)) return 'undefined';
if (object === null) return 'null';
- return object.inspect ? object.inspect() : object.toString();
+ return object.inspect ? object.inspect() : String(object);
} catch (e) {
if (e instanceof RangeError) return '...';
throw e;
},
isElement: function(object) {
- return object && object.nodeType == 1;
+ return !!(object && object.nodeType == 1);
},
isArray: function(object) {
- return object && object.constructor === Array;
+ return object != null && typeof object == "object" &&
+ 'splice' in object && 'join' in object;
},
isHash: function(object) {
Object.extend(Function.prototype, {
argumentNames: function() {
- var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");
+ var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1]
+ .replace(/\s+/g, '').split(',');
return names.length == 1 && !names[0] ? [] : names;
},
}, timeout);
},
+ defer: function() {
+ var args = [0.01].concat($A(arguments));
+ return this.delay.apply(this, args);
+ },
+
wrap: function(wrapper) {
var __method = this;
return function() {
}
});
-Function.prototype.defer = Function.prototype.delay.curry(0.01);
-
Date.prototype.toJSON = function() {
return '"' + this.getUTCFullYear() + '-' +
(this.getUTCMonth() + 1).toPaddedString(2) + '-' +
return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
},
unescapeHTML: function() {
- return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
+ return this.stripTags().replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
}
});
text: document.createTextNode('')
});
-with (String.prototype.escapeHTML) div.appendChild(text);
+String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text);
var Template = Class.create({
initialize: function(template, pattern) {
}
return before + String.interpret(ctx);
- }.bind(this));
+ });
}
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
var Enumerable = {
each: function(iterator, context) {
var index = 0;
- iterator = iterator.bind(context);
try {
this._each(function(value) {
- iterator(value, index++);
+ iterator.call(context, value, index++);
});
} catch (e) {
if (e != $break) throw e;
},
eachSlice: function(number, iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
var index = -number, slices = [], array = this.toArray();
+ if (number < 1) return array;
while ((index += number) < array.length)
slices.push(array.slice(index, index+number));
return slices.collect(iterator, context);
},
all: function(iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
+ iterator = iterator || Prototype.K;
var result = true;
this.each(function(value, index) {
- result = result && !!iterator(value, index);
+ result = result && !!iterator.call(context, value, index);
if (!result) throw $break;
});
return result;
},
any: function(iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
+ iterator = iterator || Prototype.K;
var result = false;
this.each(function(value, index) {
- if (result = !!iterator(value, index))
+ if (result = !!iterator.call(context, value, index))
throw $break;
});
return result;
},
collect: function(iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
+ iterator = iterator || Prototype.K;
var results = [];
this.each(function(value, index) {
- results.push(iterator(value, index));
+ results.push(iterator.call(context, value, index));
});
return results;
},
detect: function(iterator, context) {
- iterator = iterator.bind(context);
var result;
this.each(function(value, index) {
- if (iterator(value, index)) {
+ if (iterator.call(context, value, index)) {
result = value;
throw $break;
}
},
findAll: function(iterator, context) {
- iterator = iterator.bind(context);
var results = [];
this.each(function(value, index) {
- if (iterator(value, index))
+ if (iterator.call(context, value, index))
results.push(value);
});
return results;
},
grep: function(filter, iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
+ iterator = iterator || Prototype.K;
var results = [];
if (Object.isString(filter))
this.each(function(value, index) {
if (filter.match(value))
- results.push(iterator(value, index));
+ results.push(iterator.call(context, value, index));
});
return results;
},
},
inject: function(memo, iterator, context) {
- iterator = iterator.bind(context);
this.each(function(value, index) {
- memo = iterator(memo, value, index);
+ memo = iterator.call(context, memo, value, index);
});
return memo;
},
},
max: function(iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
+ iterator = iterator || Prototype.K;
var result;
this.each(function(value, index) {
- value = iterator(value, index);
+ value = iterator.call(context, value, index);
if (result == null || value >= result)
result = value;
});
},
min: function(iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
+ iterator = iterator || Prototype.K;
var result;
this.each(function(value, index) {
- value = iterator(value, index);
+ value = iterator.call(context, value, index);
if (result == null || value < result)
result = value;
});
},
partition: function(iterator, context) {
- iterator = iterator ? iterator.bind(context) : Prototype.K;
+ iterator = iterator || Prototype.K;
var trues = [], falses = [];
this.each(function(value, index) {
- (iterator(value, index) ?
+ (iterator.call(context, value, index) ?
trues : falses).push(value);
});
return [trues, falses];
},
reject: function(iterator, context) {
- iterator = iterator.bind(context);
var results = [];
this.each(function(value, index) {
- if (!iterator(value, index))
+ if (!iterator.call(context, value, index))
results.push(value);
});
return results;
},
sortBy: function(iterator, context) {
- iterator = iterator.bind(context);
return this.map(function(value, index) {
- return {value: value, criteria: iterator(value, index)};
+ return {
+ value: value,
+ criteria: iterator.call(context, value, index)
+ };
}).sort(function(left, right) {
var a = left.criteria, b = right.criteria;
return a < b ? -1 : a > b ? 1 : 0;
function $A(iterable) {
if (!iterable) return [];
if (iterable.toArray) return iterable.toArray();
- var length = iterable.length, results = new Array(length);
+ var length = iterable.length || 0, results = new Array(length);
while (length--) results[length] = iterable[length];
return results;
}
if (Prototype.Browser.WebKit) {
- function $A(iterable) {
+ $A = function(iterable) {
if (!iterable) return [];
- if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&
- iterable.toArray) return iterable.toArray();
- var length = iterable.length, results = new Array(length);
+ // In Safari, only use the `toArray` method if it's not a NodeList.
+ // A NodeList is a function, has an function `item` property, and a numeric
+ // `length` property. Adapted from Google Doctype.
+ if (!(typeof iterable === 'function' && typeof iterable.length ===
+ 'number' && typeof iterable.item === 'function') && iterable.toArray)
+ return iterable.toArray();
+ var length = iterable.length || 0, results = new Array(length);
while (length--) results[length] = iterable[length];
return results;
- }
+ };
}
Array.from = $A;
return this + 1;
},
- times: function(iterator) {
- $R(0, this, true).each(iterator);
+ times: function(iterator, context) {
+ $R(0, this, true).each(iterator, context);
return this;
},
},
get: function(key) {
- return this._object[key];
+ // simulating poorly supported hasOwnProperty
+ if (this._object[key] !== Object.prototype[key])
+ return this._object[key];
},
unset: function(key) {
},
toQueryString: function() {
- return this.map(function(pair) {
+ return this.inject([], function(results, pair) {
var key = encodeURIComponent(pair.key), values = pair.value;
if (values && typeof values == 'object') {
if (Object.isArray(values))
- return values.map(toQueryPair.curry(key)).join('&');
- }
- return toQueryPair(key, values);
+ return results.concat(values.map(toQueryPair.curry(key)));
+ } else results.push(toQueryPair(key, values));
+ return results;
}).join('&');
},
var contentType = response.getHeader('Content-type');
if (this.options.evalJS == 'force'
- || (this.options.evalJS && contentType
+ || (this.options.evalJS && this.isSameOrigin() && contentType
&& contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
this.evalResponse();
}
}
},
+ isSameOrigin: function() {
+ var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
+ return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
+ protocol: location.protocol,
+ domain: document.domain,
+ port: location.port ? ':' + location.port : ''
+ }));
+ },
+
getHeader: function(name) {
try {
- return this.transport.getResponseHeader(name);
+ return this.transport.getResponseHeader(name) || null;
} catch (e) { return null }
},
if (!json) return null;
json = decodeURIComponent(escape(json));
try {
- return json.evalJSON(this.request.options.sanitizeJSON);
+ return json.evalJSON(this.request.options.sanitizeJSON ||
+ !this.request.isSameOrigin());
} catch (e) {
this.request.dispatchException(e);
}
this.responseText.blank())
return null;
try {
- return this.responseText.evalJSON(options.sanitizeJSON);
+ return this.responseText.evalJSON(options.sanitizeJSON ||
+ !this.request.isSameOrigin());
} catch (e) {
this.request.dispatchException(e);
}
return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
};
Object.extend(this.Element, element || { });
+ if (element) this.Element.prototype = element.prototype;
}).call(window);
Element.cache = { };
},
hide: function(element) {
- $(element).style.display = 'none';
+ element = $(element);
+ element.style.display = 'none';
return element;
},
show: function(element) {
- $(element).style.display = '';
+ element = $(element);
+ element.style.display = '';
return element;
},
Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
insertions = {bottom:insertions};
- var content, t, range;
+ var content, insert, tagName, childNodes;
- for (position in insertions) {
+ for (var position in insertions) {
content = insertions[position];
position = position.toLowerCase();
- t = Element._insertionTranslations[position];
+ insert = Element._insertionTranslations[position];
if (content && content.toElement) content = content.toElement();
if (Object.isElement(content)) {
- t.insert(element, content);
+ insert(element, content);
continue;
}
content = Object.toHTML(content);
- range = element.ownerDocument.createRange();
- t.initializeRange(element, range);
- t.insert(element, range.createContextualFragment(content.stripScripts()));
+ tagName = ((position == 'before' || position == 'after')
+ ? element.parentNode : element).tagName.toUpperCase();
+
+ childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
+
+ if (position == 'top' || position == 'after') childNodes.reverse();
+ childNodes.each(insert.curry(element));
content.evalScripts.bind(content).defer();
}
},
descendants: function(element) {
- return $(element).getElementsBySelector("*");
+ return $(element).select("*");
},
firstDescendant: function(element) {
element = $(element);
if (arguments.length == 1) return $(element.parentNode);
var ancestors = element.ancestors();
- return expression ? Selector.findElement(ancestors, expression, index) :
- ancestors[index || 0];
+ return Object.isNumber(expression) ? ancestors[expression] :
+ Selector.findElement(ancestors, expression, index);
},
down: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return element.firstDescendant();
- var descendants = element.descendants();
- return expression ? Selector.findElement(descendants, expression, index) :
- descendants[index || 0];
+ return Object.isNumber(expression) ? element.descendants()[expression] :
+ Element.select(element, expression)[index || 0];
},
previous: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
var previousSiblings = element.previousSiblings();
- return expression ? Selector.findElement(previousSiblings, expression, index) :
- previousSiblings[index || 0];
+ return Object.isNumber(expression) ? previousSiblings[expression] :
+ Selector.findElement(previousSiblings, expression, index);
},
next: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
var nextSiblings = element.nextSiblings();
- return expression ? Selector.findElement(nextSiblings, expression, index) :
- nextSiblings[index || 0];
+ return Object.isNumber(expression) ? nextSiblings[expression] :
+ Selector.findElement(nextSiblings, expression, index);
},
select: function() {
descendantOf: function(element, ancestor) {
element = $(element), ancestor = $(ancestor);
- var originalAncestor = ancestor;
if (element.compareDocumentPosition)
return (element.compareDocumentPosition(ancestor) & 8) === 8;
- if (element.sourceIndex && !Prototype.Browser.Opera) {
- var e = element.sourceIndex, a = ancestor.sourceIndex,
- nextAncestor = ancestor.nextSibling;
- if (!nextAncestor) {
- do { ancestor = ancestor.parentNode; }
- while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);
- }
- if (nextAncestor) return (e > a && e < nextAncestor.sourceIndex);
- }
+ if (ancestor.contains)
+ return ancestor.contains(element) && ancestor !== element;
while (element = element.parentNode)
- if (element == originalAncestor) return true;
+ if (element == ancestor) return true;
+
return false;
},
element = $(element);
style = style == 'float' ? 'cssFloat' : style.camelize();
var value = element.style[style];
- if (!value) {
+ if (!value || value == 'auto') {
var css = document.defaultView.getComputedStyle(element, null);
value = css ? css[style] : null;
}
getDimensions: function(element) {
element = $(element);
- var display = $(element).getStyle('display');
+ var display = element.getStyle('display');
if (display != 'none' && display != null) // Safari bug
return {width: element.offsetWidth, height: element.offsetHeight};
element.style.position = 'relative';
// Opera returns the offset relative to the positioning context, when an
// element is position relative but top and left have not been defined
- if (window.opera) {
+ if (Prototype.Browser.Opera) {
element.style.top = 0;
element.style.left = 0;
}
valueL += element.offsetLeft || 0;
element = element.offsetParent;
if (element) {
- if (element.tagName == 'BODY') break;
+ if (element.tagName.toUpperCase() == 'BODY') break;
var p = Element.getStyle(element, 'position');
- if (p == 'relative' || p == 'absolute') break;
+ if (p !== 'static') break;
}
} while (element);
return Element._returnOffset(valueL, valueT);
absolutize: function(element) {
element = $(element);
- if (element.getStyle('position') == 'absolute') return;
+ if (element.getStyle('position') == 'absolute') return element;
// Position.prepare(); // To be done manually by Scripty when it needs it.
var offsets = element.positionedOffset();
relativize: function(element) {
element = $(element);
- if (element.getStyle('position') == 'relative') return;
+ if (element.getStyle('position') == 'relative') return element;
// Position.prepare(); // To be done manually by Scripty when it needs it.
element.style.position = 'relative';
element = forElement;
do {
- if (!Prototype.Browser.Opera || element.tagName == 'BODY') {
+ if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
valueT -= element.scrollTop || 0;
valueL -= element.scrollLeft || 0;
}
}
};
-
-if (!document.createRange || Prototype.Browser.Opera) {
- Element.Methods.insert = function(element, insertions) {
- element = $(element);
-
- if (Object.isString(insertions) || Object.isNumber(insertions) ||
- Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
- insertions = { bottom: insertions };
-
- var t = Element._insertionTranslations, content, position, pos, tagName;
-
- for (position in insertions) {
- content = insertions[position];
- position = position.toLowerCase();
- pos = t[position];
-
- if (content && content.toElement) content = content.toElement();
- if (Object.isElement(content)) {
- pos.insert(element, content);
- continue;
- }
-
- content = Object.toHTML(content);
- tagName = ((position == 'before' || position == 'after')
- ? element.parentNode : element).tagName.toUpperCase();
-
- if (t.tags[tagName]) {
- var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
- if (position == 'top' || position == 'after') fragments.reverse();
- fragments.each(pos.insert.curry(element));
- }
- else element.insertAdjacentHTML(pos.adjacency, content.stripScripts());
-
- content.evalScripts.bind(content).defer();
- }
-
- return element;
- };
-}
-
if (Prototype.Browser.Opera) {
Element.Methods.getStyle = Element.Methods.getStyle.wrap(
function(proceed, element, style) {
}
else if (Prototype.Browser.IE) {
- $w('positionedOffset getOffsetParent viewportOffset').each(function(method) {
+ // IE doesn't report offsets correctly for static elements, so we change them
+ // to "relative" to get the values, then change them back.
+ Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
+ function(proceed, element) {
+ element = $(element);
+ // IE throws an error if element is not in document
+ try { element.offsetParent }
+ catch(e) { return $(document.body) }
+ var position = element.getStyle('position');
+ if (position !== 'static') return proceed(element);
+ element.setStyle({ position: 'relative' });
+ var value = proceed(element);
+ element.setStyle({ position: position });
+ return value;
+ }
+ );
+
+ $w('positionedOffset viewportOffset').each(function(method) {
Element.Methods[method] = Element.Methods[method].wrap(
function(proceed, element) {
element = $(element);
+ try { element.offsetParent }
+ catch(e) { return Element._returnOffset(0,0) }
var position = element.getStyle('position');
- if (position != 'static') return proceed(element);
+ if (position !== 'static') return proceed(element);
+ // Trigger hasLayout on the offset parent so that IE6 reports
+ // accurate offsetTop and offsetLeft values for position: fixed.
+ var offsetParent = element.getOffsetParent();
+ if (offsetParent && offsetParent.getStyle('position') === 'fixed')
+ offsetParent.setStyle({ zoom: 1 });
element.setStyle({ position: 'relative' });
var value = proceed(element);
element.setStyle({ position: position });
);
});
+ Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
+ function(proceed, element) {
+ try { element.offsetParent }
+ catch(e) { return Element._returnOffset(0,0) }
+ return proceed(element);
+ }
+ );
+
Element.Methods.getStyle = function(element, style) {
element = $(element);
style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
};
Element._attributeTranslations.write = {
- names: Object.clone(Element._attributeTranslations.read.names),
+ names: Object.extend({
+ cellpadding: 'cellPadding',
+ cellspacing: 'cellSpacing'
+ }, Element._attributeTranslations.read.names),
values: {
checked: function(element, value) {
element.checked = !!value;
Element._attributeTranslations.has = {};
$w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
- 'encType maxLength readOnly longDesc').each(function(attr) {
+ 'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
Element._attributeTranslations.has[attr.toLowerCase()] = attr;
});
(value < 0.00001) ? 0 : value;
if (value == 1)
- if(element.tagName == 'IMG' && element.width) {
+ if(element.tagName.toUpperCase() == 'IMG' && element.width) {
element.width++; element.width--;
} else try {
var n = document.createTextNode(' ');
};
}
-if (document.createElement('div').outerHTML) {
+if ('outerHTML' in document.createElement('div')) {
Element.Methods.replace = function(element, content) {
element = $(element);
Element._getContentFromAnonymousElement = function(tagName, html) {
var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
- div.innerHTML = t[0] + html + t[1];
- t[2].times(function() { div = div.firstChild });
+ if (t) {
+ div.innerHTML = t[0] + html + t[1];
+ t[2].times(function() { div = div.firstChild });
+ } else div.innerHTML = html;
return $A(div.childNodes);
};
Element._insertionTranslations = {
- before: {
- adjacency: 'beforeBegin',
- insert: function(element, node) {
- element.parentNode.insertBefore(node, element);
- },
- initializeRange: function(element, range) {
- range.setStartBefore(element);
- }
+ before: function(element, node) {
+ element.parentNode.insertBefore(node, element);
},
- top: {
- adjacency: 'afterBegin',
- insert: function(element, node) {
- element.insertBefore(node, element.firstChild);
- },
- initializeRange: function(element, range) {
- range.selectNodeContents(element);
- range.collapse(true);
- }
+ top: function(element, node) {
+ element.insertBefore(node, element.firstChild);
},
- bottom: {
- adjacency: 'beforeEnd',
- insert: function(element, node) {
- element.appendChild(node);
- }
+ bottom: function(element, node) {
+ element.appendChild(node);
},
- after: {
- adjacency: 'afterEnd',
- insert: function(element, node) {
- element.parentNode.insertBefore(node, element.nextSibling);
- },
- initializeRange: function(element, range) {
- range.setStartAfter(element);
- }
+ after: function(element, node) {
+ element.parentNode.insertBefore(node, element.nextSibling);
},
tags: {
TABLE: ['<table>', '</table>', 1],
};
(function() {
- this.bottom.initializeRange = this.top.initializeRange;
Object.extend(this.tags, {
THEAD: this.tags.TBODY,
TFOOT: this.tags.TBODY,
hasAttribute: function(element, attribute) {
attribute = Element._attributeTranslations.has[attribute] || attribute;
var node = $(element).getAttributeNode(attribute);
- return node && node.specified;
+ return !!(node && node.specified);
}
};
Object.extend(Element, Element.Methods);
if (!Prototype.BrowserFeatures.ElementExtensions &&
- document.createElement('div').__proto__) {
+ document.createElement('div')['__proto__']) {
window.HTMLElement = { };
- window.HTMLElement.prototype = document.createElement('div').__proto__;
+ window.HTMLElement.prototype = document.createElement('div')['__proto__'];
Prototype.BrowserFeatures.ElementExtensions = true;
}
element.nodeType != 1 || element == window) return element;
var methods = Object.clone(Methods),
- tagName = element.tagName, property, value;
+ tagName = element.tagName.toUpperCase(), property, value;
// extend methods for specific tags
if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
if (window[klass]) return window[klass];
window[klass] = { };
- window[klass].prototype = document.createElement(tagName).__proto__;
+ window[klass].prototype = document.createElement(tagName)['__proto__'];
return window[klass];
}
document.viewport = {
getDimensions: function() {
- var dimensions = { };
- var B = Prototype.Browser;
+ var dimensions = { }, B = Prototype.Browser;
$w('width height').each(function(d) {
var D = d.capitalize();
- dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] :
- (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D];
+ if (B.WebKit && !document.evaluate) {
+ // Safari <3.0 needs self.innerWidth/Height
+ dimensions[d] = self['inner' + D];
+ } else if (B.Opera && parseFloat(window.opera.version()) < 9.5) {
+ // Opera <9.5 needs document.body.clientWidth/Height
+ dimensions[d] = document.body['client' + D]
+ } else {
+ dimensions[d] = document.documentElement['client' + D];
+ }
});
return dimensions;
},
window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
}
};
-/* Portions of the Selector class are derived from Jack Slocum’s DomQuery,
+/* Portions of the Selector class are derived from Jack Slocum's DomQuery,
* part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
* license. Please see http://www.yui-ext.com/ for more information. */
var Selector = Class.create({
initialize: function(expression) {
this.expression = expression.strip();
- this.compileMatcher();
+
+ if (this.shouldUseSelectorsAPI()) {
+ this.mode = 'selectorsAPI';
+ } else if (this.shouldUseXPath()) {
+ this.mode = 'xpath';
+ this.compileXPathMatcher();
+ } else {
+ this.mode = "normal";
+ this.compileMatcher();
+ }
+
},
shouldUseXPath: function() {
// XPath can't do namespaced attributes, nor can it read
// the "checked" property from DOM nodes
- if ((/(\[[\w-]*?:|:checked)/).test(this.expression))
+ if ((/(\[[\w-]*?:|:checked)/).test(e))
return false;
return true;
},
- compileMatcher: function() {
- if (this.shouldUseXPath())
- return this.compileXPathMatcher();
+ shouldUseSelectorsAPI: function() {
+ if (!Prototype.BrowserFeatures.SelectorsAPI) return false;
+
+ if (!Selector._div) Selector._div = new Element('div');
+
+ // Make sure the browser treats the selector as valid. Test on an
+ // isolated element to minimize cost of this check.
+ try {
+ Selector._div.querySelector(this.expression);
+ } catch(e) {
+ return false;
+ }
+ return true;
+ },
+
+ compileMatcher: function() {
var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
c = Selector.criteria, le, p, m;
p = ps[i];
if (m = e.match(p)) {
this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
- new Template(c[i]).evaluate(m));
+ new Template(c[i]).evaluate(m));
e = e.replace(m[0], '');
break;
}
findElements: function(root) {
root = root || document;
- if (this.xpath) return document._getElementsByXPath(this.xpath, root);
- return this.matcher(root);
+ var e = this.expression, results;
+
+ switch (this.mode) {
+ case 'selectorsAPI':
+ // querySelectorAll queries document-wide, then filters to descendants
+ // of the context element. That's not what we want.
+ // Add an explicit context to the selector if necessary.
+ if (root !== document) {
+ var oldId = root.id, id = $(root).identify();
+ e = "#" + id + " " + e;
+ }
+
+ results = $A(root.querySelectorAll(e)).map(Element.extend);
+ root.id = oldId;
+
+ return results;
+ case 'xpath':
+ return document._getElementsByXPath(this.xpath, root);
+ default:
+ return this.matcher(root);
+ }
},
match: function(element) {
'first-child': '[not(preceding-sibling::*)]',
'last-child': '[not(following-sibling::*)]',
'only-child': '[not(preceding-sibling::* or following-sibling::*)]',
- 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
+ 'empty': "[count(*) = 0 and (count(text()) = 0)]",
'checked': "[@checked]",
- 'disabled': "[@disabled]",
- 'enabled': "[not(@disabled)]",
+ 'disabled': "[(@disabled) and (@type!='hidden')]",
+ 'enabled': "[not(@disabled) and (@type!='hidden')]",
'not': function(m) {
var e = m[6], p = Selector.patterns,
x = Selector.xpath, le, v;
},
criteria: {
- tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;',
- className: 'n = h.className(n, r, "#{1}", c); c = false;',
- id: 'n = h.id(n, r, "#{1}", c); c = false;',
- attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;',
+ tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;',
+ className: 'n = h.className(n, r, "#{1}", c); c = false;',
+ id: 'n = h.id(n, r, "#{1}", c); c = false;',
+ attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
attr: function(m) {
m[3] = (m[5] || m[6]);
- return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m);
+ return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
},
pseudo: function(m) {
if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
tagName: /^\s*(\*|[\w\-]+)(\b|$)?/,
id: /^#([\w\-\*]+)(\b|$)/,
className: /^\.([\w\-\*]+)(\b|$)/,
- pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s)|(?=:))/,
- attrPresence: /^\[([\w]+)\]/,
+ pseudo:
+/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
+ attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/,
attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
},
attr: function(element, matches) {
var nodeValue = Element.readAttribute(element, matches[1]);
- return Selector.operators[matches[2]](nodeValue, matches[3]);
+ return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
}
},
// marks an array of nodes for counting
mark: function(nodes) {
+ var _true = Prototype.emptyFunction;
for (var i = 0, node; node = nodes[i]; i++)
- node._counted = true;
+ node._countedByPrototype = _true;
return nodes;
},
unmark: function(nodes) {
for (var i = 0, node; node = nodes[i]; i++)
- node._counted = undefined;
+ node._countedByPrototype = undefined;
return nodes;
},
// "ofType" flag indicates whether we're indexing for nth-of-type
// rather than nth-child
index: function(parentNode, reverse, ofType) {
- parentNode._counted = true;
+ parentNode._countedByPrototype = Prototype.emptyFunction;
if (reverse) {
for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
var node = nodes[i];
- if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
+ if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
}
} else {
for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
- if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
+ if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
}
},
if (nodes.length == 0) return nodes;
var results = [], n;
for (var i = 0, l = nodes.length; i < l; i++)
- if (!(n = nodes[i])._counted) {
- n._counted = true;
+ if (!(n = nodes[i])._countedByPrototype) {
+ n._countedByPrototype = Prototype.emptyFunction;
results.push(Element.extend(n));
}
return Selector.handlers.unmark(results);
nextElementSibling: function(node) {
while (node = node.nextSibling)
- if (node.nodeType == 1) return node;
+ if (node.nodeType == 1) return node;
return null;
},
// TOKEN FUNCTIONS
tagName: function(nodes, root, tagName, combinator) {
- tagName = tagName.toUpperCase();
+ var uTagName = tagName.toUpperCase();
var results = [], h = Selector.handlers;
if (nodes) {
if (combinator) {
if (tagName == "*") return nodes;
}
for (var i = 0, node; node = nodes[i]; i++)
- if (node.tagName.toUpperCase() == tagName) results.push(node);
+ if (node.tagName.toUpperCase() === uTagName) results.push(node);
return results;
} else return root.getElementsByTagName(tagName);
},
return results;
},
- attrPresence: function(nodes, root, attr) {
+ attrPresence: function(nodes, root, attr, combinator) {
if (!nodes) nodes = root.getElementsByTagName("*");
+ if (nodes && combinator) nodes = this[combinator](nodes);
var results = [];
for (var i = 0, node; node = nodes[i]; i++)
if (Element.hasAttribute(node, attr)) results.push(node);
return results;
},
- attr: function(nodes, root, attr, value, operator) {
+ attr: function(nodes, root, attr, value, operator, combinator) {
if (!nodes) nodes = root.getElementsByTagName("*");
+ if (nodes && combinator) nodes = this[combinator](nodes);
var handler = Selector.operators[operator], results = [];
for (var i = 0, node; node = nodes[i]; i++) {
var nodeValue = Element.readAttribute(node, attr);
var h = Selector.handlers, results = [], indexed = [], m;
h.mark(nodes);
for (var i = 0, node; node = nodes[i]; i++) {
- if (!node.parentNode._counted) {
+ if (!node.parentNode._countedByPrototype) {
h.index(node.parentNode, reverse, ofType);
indexed.push(node.parentNode);
}
'empty': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++) {
// IE treats comments as element nodes
- if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
+ if (node.tagName == '!' || node.firstChild) continue;
results.push(node);
}
return results;
var exclusions = new Selector(selector).findElements(root);
h.mark(exclusions);
for (var i = 0, results = [], node; node = nodes[i]; i++)
- if (!node._counted) results.push(node);
+ if (!node._countedByPrototype) results.push(node);
h.unmark(exclusions);
return results;
},
'enabled': function(nodes, value, root) {
for (var i = 0, results = [], node; node = nodes[i]; i++)
- if (!node.disabled) results.push(node);
+ if (!node.disabled && (!node.type || node.type !== 'hidden'))
+ results.push(node);
return results;
},
operators: {
'=': function(nv, v) { return nv == v; },
'!=': function(nv, v) { return nv != v; },
- '^=': function(nv, v) { return nv.startsWith(v); },
+ '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
+ '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
+ '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
'$=': function(nv, v) { return nv.endsWith(v); },
'*=': function(nv, v) { return nv.include(v); },
'~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
- '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
+ '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
+ '-').include('-' + (v || "").toUpperCase() + '-'); }
+ },
+
+ split: function(expression) {
+ var expressions = [];
+ expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
+ expressions.push(m[1].strip());
+ });
+ return expressions;
},
matchElements: function(elements, expression) {
- var matches = new Selector(expression).findElements(), h = Selector.handlers;
+ var matches = $$(expression), h = Selector.handlers;
h.mark(matches);
for (var i = 0, results = [], element; element = elements[i]; i++)
- if (element._counted) results.push(element);
+ if (element._countedByPrototype) results.push(element);
h.unmark(matches);
return results;
},
},
findChildElements: function(element, expressions) {
- var exprs = expressions.join(',');
- expressions = [];
- exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
- expressions.push(m[1].strip());
- });
+ expressions = Selector.split(expressions.join(','));
var results = [], h = Selector.handlers;
for (var i = 0, l = expressions.length, selector; i < l; i++) {
selector = new Selector(expressions[i].strip());
});
if (Prototype.Browser.IE) {
- // IE returns comment nodes on getElementsByTagName("*").
- // Filter them out.
- Selector.handlers.concat = function(a, b) {
- for (var i = 0, node; node = b[i]; i++)
- if (node.tagName !== "!") a.push(node);
- return a;
- };
+ Object.extend(Selector.handlers, {
+ // IE returns comment nodes on getElementsByTagName("*").
+ // Filter them out.
+ concat: function(a, b) {
+ for (var i = 0, node; node = b[i]; i++)
+ if (node.tagName !== "!") a.push(node);
+ return a;
+ },
+
+ // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
+ unmark: function(nodes) {
+ for (var i = 0, node; node = nodes[i]; i++)
+ node.removeAttribute('_countedByPrototype');
+ return nodes;
+ }
+ });
}
function $$() {
var data = elements.inject({ }, function(result, element) {
if (!element.disabled && element.name) {
key = element.name; value = $(element).getValue();
- if (value != null && (element.type != 'submit' || (!submitted &&
+ if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
submit !== false && (!submit || key == submit) && (submitted = true)))) {
if (key in result) {
// a key is already present; construct an array of values
disable: function(element) {
element = $(element);
- element.blur();
element.disabled = true;
return element;
},
else element.value = value;
},
- select: function(element, index) {
- if (Object.isUndefined(index))
+ select: function(element, value) {
+ if (Object.isUndefined(value))
return this[element.type == 'select-one' ?
'selectOne' : 'selectMany'](element);
else {
- var opt, value, single = !Object.isArray(index);
+ var opt, currentValue, single = !Object.isArray(value);
for (var i = 0, length = element.length; i < length; i++) {
opt = element.options[i];
- value = this.optionValue(opt);
+ currentValue = this.optionValue(opt);
if (single) {
- if (value == index) {
+ if (currentValue == value) {
opt.selected = true;
return;
}
}
- else opt.selected = index.include(value);
+ else opt.selected = value.include(currentValue);
}
}
},
isRightClick: function(event) { return isButton(event, 2) },
element: function(event) {
- var node = Event.extend(event).target;
- return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node);
+ event = Event.extend(event);
+
+ var node = event.target,
+ type = event.type,
+ currentTarget = event.currentTarget;
+
+ if (currentTarget && currentTarget.tagName) {
+ // Firefox screws up the "click" event when moving between radio buttons
+ // via arrow keys. It also screws up the "load" and "error" events on images,
+ // reporting the document as the target instead of the original image.
+ if (type === 'load' || type === 'error' ||
+ (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
+ && currentTarget.type === 'radio'))
+ node = currentTarget;
+ }
+ if (node.nodeType == Node.TEXT_NODE) node = node.parentNode;
+ return Element.extend(node);
},
findElement: function(event, expression) {
},
pointer: function(event) {
+ var docElement = document.documentElement,
+ body = document.body || { scrollLeft: 0, scrollTop: 0 };
return {
x: event.pageX || (event.clientX +
- (document.documentElement.scrollLeft || document.body.scrollLeft)),
+ (docElement.scrollLeft || body.scrollLeft) -
+ (docElement.clientLeft || 0)),
y: event.pageY || (event.clientY +
- (document.documentElement.scrollTop || document.body.scrollTop))
+ (docElement.scrollTop || body.scrollTop) -
+ (docElement.clientTop || 0))
};
},
};
} else {
- Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__;
+ Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__'];
Object.extend(Event.prototype, methods);
return Prototype.K;
}
var cache = Event.cache;
function getEventID(element) {
- if (element._eventID) return element._eventID;
+ if (element._prototypeEventID) return element._prototypeEventID[0];
arguments.callee.id = arguments.callee.id || 1;
- return element._eventID = ++arguments.callee.id;
+ return element._prototypeEventID = [++arguments.callee.id];
}
function getDOMEventName(eventName) {
return false;
Event.extend(event);
- handler.call(element, event)
+ handler.call(element, event);
};
wrapper.handler = handler;
cache[id][eventName] = null;
}
+
+ // Internet Explorer needs to remove event handlers on page unload
+ // in order to avoid memory leaks.
if (window.attachEvent) {
window.attachEvent("onunload", destroyCache);
}
+ // Safari has a dummy event handler on page unload so that it won't
+ // use its bfcache. Safari <= 3.1 has an issue with restoring the "document"
+ // object when page is returned to via the back button using its bfcache.
+ if (Prototype.Browser.WebKit) {
+ window.addEventListener('unload', Prototype.emptyFunction, false);
+ }
+
return {
observe: function(element, eventName, handler) {
element = $(element);
if (element == document && document.createEvent && !element.dispatchEvent)
element = document.documentElement;
+ var event;
if (document.createEvent) {
- var event = document.createEvent("HTMLEvents");
+ event = document.createEvent("HTMLEvents");
event.initEvent("dataavailable", true, true);
} else {
- var event = document.createEventObject();
+ event = document.createEventObject();
event.eventType = "ondataavailable";
}
Object.extend(document, {
fire: Element.Methods.fire.methodize(),
observe: Element.Methods.observe.methodize(),
- stopObserving: Element.Methods.stopObserving.methodize()
+ stopObserving: Element.Methods.stopObserving.methodize(),
+ loaded: false
});
(function() {
/* Support for the DOMContentLoaded event is based on work by Dan Webb,
Matthias Miller, Dean Edwards and John Resig. */
- var timer, fired = false;
+ var timer;
function fireContentLoadedEvent() {
- if (fired) return;
+ if (document.loaded) return;
if (timer) window.clearInterval(timer);
document.fire("dom:loaded");
- fired = true;
+ document.loaded = true;
}
if (document.addEventListener) {
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