From 6fc98deef03b91b0ea2ed51be2708bdd2c61d479 Mon Sep 17 00:00:00 2001
From: Scott González <scott.gonzalez@gmail.com>
Date: Thu, 24 Mar 2011 09:21:53 -0400
Subject: Widget: Allow setting individual properties of deep options. Fixes
 #7035 - Widget: Extend .option() to set partial nested options.

---
 ui/jquery.ui.widget.js | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

(limited to 'ui')

diff --git a/ui/jquery.ui.widget.js b/ui/jquery.ui.widget.js
index 09c680ec3..27d08ccd2 100644
--- a/ui/jquery.ui.widget.js
+++ b/ui/jquery.ui.widget.js
@@ -208,19 +208,34 @@ $.Widget.prototype = {
 	},
 
 	option: function( key, value ) {
-		var options = key;
+		var options = key,
+			parts,
+			curOption,
+			i;
 
 		if ( arguments.length === 0 ) {
 			// don't return a reference to the internal hash
 			return $.extend( {}, this.options );
 		}
 
-		if  (typeof key === "string" ) {
+		if ( typeof key === "string" ) {
 			if ( value === undefined ) {
 				return this.options[ key ];
 			}
+			// handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
 			options = {};
-			options[ key ] = value;
+			parts = key.split( "." );
+			key = parts.shift();
+			if ( parts.length ) {
+				curOption = options[ key ] = $.extend( true, {}, this.options[ key ] );
+				for ( i = 0; i < parts.length - 1; i++ ) {
+					curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
+					curOption = curOption[ parts[ i ] ];
+				}
+				curOption[ parts.pop() ] = value;
+			} else {
+				options[ key ] = value;
+			}
 		}
 
 		this._setOptions( options );
-- 
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