57 lines
1.7 KiB
JavaScript
57 lines
1.7 KiB
JavaScript
|
/*
|
||
|
|
* 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);
|