/* * jQuery delegate plug-in v1.0 * * Copyright (c) 2007 Jörn 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);