From 40e47c0b08c31e5003833b9c46d36e7468a63de8 Mon Sep 17 00:00:00 2001
From: kborchers <kris.borchers@gmail.com>
Date: Tue, 29 May 2012 20:55:43 -0500
Subject: Core: Add the uniqueId() and removeUniqueId() methods written by
 @scottgonzalez to provide a generalized way of generating and removing
 generated element id's. Also, added a unit test. Fixed #8361 - Add uniqueId()
 and removeUniqueId()

---
 ui/jquery.ui.core.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'ui')

diff --git a/ui/jquery.ui.core.js b/ui/jquery.ui.core.js
index d8fff91e1..a511de24b 100644
--- a/ui/jquery.ui.core.js
+++ b/ui/jquery.ui.core.js
@@ -9,6 +9,9 @@
  */
 (function( $, undefined ) {
 
+var uuid = 0,
+	runiqueId = /^ui-id-\d+$/;
+
 // prevent duplicate loading
 // this is only a problem because we proxy existing functions
 // and we don't want to double proxy them
@@ -107,6 +110,22 @@ $.fn.extend({
 		return 0;
 	},
 
+	uniqueId: function() {
+		return this.each(function() {
+			if ( !this.id ) {
+				this.id = "ui-id-" + (++uuid);
+			}
+		});
+	},
+
+	removeUniqueId: function() {
+		return this.each(function() {
+			if ( runiqueId.test( this.id ) ) {
+				$( this ).removeAttr( "id" );
+			}
+		});
+	},
+
 	disableSelection: function() {
 		return this.bind( ( $.support.selectstart ? "selectstart" : "mousedown" ) +
 			".ui-disableSelection", function( event ) {
-- 
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