/javascript/jquery.delegate.js
http://mortar.googlecode.com/ · JavaScript · 56 lines · 36 code · 4 blank · 16 comment · 3 complexity · 9a54bde3c6a44d320d450593d632c67b MD5 · raw file
- /*
- * jQuery delegate plug-in v1.0
- *
- * Copyright (c) 2007 J??rn Zaefferer
- *
- * $Id: jquery.delegate.js 4786 2008-02-19 20:02:34Z joern.zaefferer $
- *
- * Dual licensed under the MIT and GPL licenses:
- * http://www.opensource.org/licenses/mit-license.php
- * http://www.gnu.org/licenses/gpl.html
- */
- // provides cross-browser focusin and focusout events
- // IE has native support, in other browsers, use event caputuring (neither bubbles)
- // provides delegate(type: String, delegate: Selector, handler: Callback) plugin for easier event delegation
- // handler is only called when $(event.target).is(delegate), in the scope of the jQuery-object for event.target
- // provides triggerEvent(type: String, target: Element) to trigger delegated events
- ;(function($) {
- $.each({
- focus: 'focusin',
- blur: 'focusout'
- }, function( original, fix ){
- $.event.special[fix] = {
- setup:function() {
- if ( $.browser.msie ) return false;
- this.addEventListener( original, $.event.special[fix].handler, true );
- },
- teardown:function() {
- if ( $.browser.msie ) return false;
- this.removeEventListener( original,
- $.event.special[fix].handler, true );
- },
- handler: function(e) {
- arguments[0] = $.event.fix(e);
- arguments[0].type = fix;
- return $.event.handle.apply(this, arguments);
- }
- };
- });
- $.extend($.fn, {
- delegate: function(type, delegate, handler) {
- return this.bind(type, function(event) {
- var target = $(event.target);
- if (target.is(delegate)) {
- return handler.apply(target, arguments);
- }
- });
- },
- triggerEvent: function(type, target) {
- return this.triggerHandler(type, [jQuery.event.fix({ type: type, target: target })]);
- }
- })
- })(jQuery);