checkboxradio: fix label selection if control.labels length is 0

there still might be a label so check the old way.

Author: arschmitz

ui/button.js

@@ -89,7 +89,7 @@ $.widget( "ui.button", {
 			if( this.options.iconPosition ) {
 				this.element.addClass(  "ui-icon-" + this.options.iconPosition );
 			}
-			if( !this.options.text ){
+			if( !this.options.showLabel ){
 				this.element.addClass( " ui-button-icon-only" );
 			}
 			this.element.append( this.icon );
@@ -125,7 +125,7 @@ $.widget( "ui.button", {
 		this.title = this.element.attr( "title" );
 		this.hasTitle = !!this.title;
 
-		if( !this.options.text ){
+		if( !this.options.showLabel ){
 			if ( !this.hasTitle ) {
 				this.element.attr( "title", this.title );
 			}
@@ -154,7 +154,7 @@ $.widget( "ui.button", {
 				.toggleClass( this.options.iconPosition, !!value );
 			this._setTitle();
 		}
-		if( key === "iconPosition" && this.options.text ) {
+		if( key === "iconPosition" && this.options.showLabel ) {
 			this.element.addClass( value )
 				.removeClass( this.options.iconPosition );
 		}

ui/checkboxradio.js

@@ -87,7 +87,7 @@ $.widget( "ui.checkboxradio", {
 		});
 	},
 
-	enhance: function() {
+	_enhance: function() {
 		this.element.addClass( "ui-helper-hidden-accessible ui-checkboxradio" );
 
 		this.label.addClass( baseClasses + " ui-" + this.type + "-label" );
@@ -126,8 +126,8 @@ $.widget( "ui.checkboxradio", {
 		var ancestor, labelSelector;
 
 		// Check control.labels first
-		if ( this.element[ 0 ].labels !== undefined ){
-			this.label = $( this.element[ 0 ].labels );
+		if ( this.element[ 0 ].labels !== undefined && this.element[ 0 ].labels.length > 0 ){
+			this.label = $( this.element[ 0 ].labels[0] );
 		} else {
 
 			// We don't search against the document in case the element