kekrozsak/web/js/jquery.delegate.js

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/*
* 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);