1 files changed, 25 insertions, 1 deletions
diff --git a/ui/jquery.ui.widget.js b/ui/jquery.ui.widget.js
index 55b9f7984..a74e6b77b 100644
--- a/ui/jquery.ui.widget.js
+++ b/ui/jquery.ui.widget.js
@@ -356,11 +356,35 @@ $.Widget.prototype = {
 	}
 };
 
+$.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
+	$.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
+		options = options || {};
+		var hasOptions = !$.isEmptyObject( options ),
+			effectName = options.effect || defaultEffect;
+		options.complete = callback;
+		if (options.delay) {
+			element.delay( options.delay );
+		}
+		if ( hasOptions && $.effects && ( $.effects.effect[ effectName ] || $.uiBackCompat !== false && $.effects[ effectName ] ) ) {
+			element[ method ]( options );
+		} else if ( effectName !== method && element[ effectName ] ) {
+			element[ effectName ]( options.duration, options.easing, callback );
+		} else {
+			element.queue( function() {
+				$( this )[ method ]();
+				if ( callback ) {
+					callback.call( element[ 0 ] );
+				}
+			});
+		}
+	};
+});
+
 // DEPRECATED
 if ( $.uiBackCompat !== false ) {
 	$.Widget.prototype._getCreateOptions = function() {
 		return $.metadata && $.metadata.get( this.element[0] )[ this.widgetName ];
-	}
+	};
 }
 
 })( jQuery );