Widget: Maintain stack when a method returns a jQuery object. Fixes #…

…5732 - Widget: Make the widget method maintain the stack.

tests/unit/widget/widget_core.js

@@ -74,7 +74,7 @@ test( "element normalization", function() {
 });
 
 test( "jQuery usage", function() {
-	expect( 11 );
+	expect( 13 );
 
 	var shouldCreate = false;
 
@@ -98,6 +98,9 @@ test( "jQuery usage", function() {
 			} else {
 				return this.getterSetterVal;
 			}
+		},
+		jQueryObject: function() {
+			return $( "body" );
 		}
 	});
 
@@ -120,6 +123,9 @@ test( "jQuery usage", function() {
 	ret = elem.testWidget( "getterSetterMethod", 30 );
 	equals( ret, elem, "getter/setter method can be chainable" );
 	equals( instance.getterSetterVal, 30, "getter/setter can act as setter" );
+	ret = elem.testWidget( "jQueryObject" );
+	equal( ret[ 0 ], document.body, "returned jQuery object" );
+	equal( ret.end(), elem, "stack preserved" );
 });
 
 test( "direct usage", function() {
@@ -765,7 +771,7 @@ test( "._trigger() - provide event and ui", function() {
 	.testWidget( "testEvent" );
 });
 
-test( "._triger() - instance as element", function() {
+test( "._trigger() - instance as element", function() {
 	expect( 4 );
 	$.widget( "ui.testWidget", {
 		defaultElement: null,

ui/jquery.ui.widget.js

@@ -116,7 +116,9 @@ $.widget.bridge = function( name, object ) {
 				}
 				var methodValue = instance[ options ].apply( instance, args );
 				if ( methodValue !== instance && methodValue !== undefined ) {
-					returnValue = methodValue;
+					returnValue = methodValue.jquery ?
+						returnValue.pushStack( methodValue.get() ) :
+						methodValue;
 					return false;
 				}
 			});