Autocomplete: Abort pending ajax requests when disabled and prevent handling results when disabled. Fixes #6752 - Menu may still render when autocomplete is disabled.

Author: scottgonzalez

ui/jquery.ui.autocomplete.js

@@ -229,6 +229,9 @@ $.widget( "ui.autocomplete", {
 		if ( key === "appendTo" ) {
 			this.menu.element.appendTo( $( value || "body", this.element[0].ownerDocument )[0] )
 		}
+		if ( key === "disabled" && value && this.xhr ) {
+			this.xhr.abort();
+		}
 	},
 
 	_initSource: function() {
@@ -243,7 +246,7 @@ $.widget( "ui.autocomplete", {
 		} else if ( typeof this.options.source === "string" ) {
 			url = this.options.source;
 			this.source = function( request, response ) {
-				if (self.xhr) {
+				if ( self.xhr ) {
 					self.xhr.abort();
 				}
 				self.xhr = $.ajax({
@@ -294,7 +297,7 @@ $.widget( "ui.autocomplete", {
 	},
 
 	_response: function( content ) {
-		if ( content && content.length ) {
+		if ( !this.options.disabled && content && content.length ) {
 			content = this._normalize( content );
 			this._suggest( content );
 			this._trigger( "open" );