Tabs: Deprecate the length method. Fixes #7143 Tabs: Deprecate the le…

…ngth method

tests/unit/tabs/tabs_deprecated.js

@@ -139,7 +139,13 @@ test('#5069 - ui.tabs.add creates two tab panels when using a full URL', functio
 	equals(el.children('div').length, el.find('> ul > li').length, 'After creation, number of panels should be equal to number of tabs');
 	el.tabs('add', '/ajax_html_echo', 'Test');
 	equals(el.children('div').length, el.find('> ul > li').length, 'After add, number of panels should be equal to number of tabs');
+});
+
+test('length', function() {
+	expect(1);
 
+	el = $('#tabs1').tabs();
+	equals(el.tabs('length'), $('ul a', el).length, ' should return length');
 });
 
 }( jQuery ) );

tests/unit/tabs/tabs_methods.js

@@ -167,11 +167,4 @@ test('url', function() {
 	ok(false, "missing test - untested code is broken code.");
 });
 
-test('length', function() {
-	expect(1);
-
-	el = $('#tabs1').tabs();
-	equals(el.tabs('length'), $('ul a', el).length, ' should return length');
-});
-
 })(jQuery);

tests/unit/tabs/tabs_tickets.js

@@ -54,7 +54,7 @@ test('#4033 - IE expands hash to full url and misinterprets tab as ajax', functi
 
 	el = $('<div><ul><li><a href="#tab">Tab</a></li></ul><div id="tab"></div></div>')
 			.appendTo('#main').tabs();
-    
+
 	equals($('a', el).data('load.tabs'), undefined, 'should not create ajax tab');
 
 });
@@ -64,7 +64,7 @@ test('#5893 - Sublist in the tab list are considered as tab', function() {
 	expect(1);
 
 	el = $('#tabs6').tabs();
-	equals(el.tabs( "length" ), 2, 'should contain 2 tab');
+	equals(el.data("tabs").anchors.length, 2, 'should contain 2 tab');
 
 });
 

ui/jquery.ui.tabs.js

@@ -568,10 +568,6 @@ $.widget( "ui.tabs", {
 	url: function( index, url ) {
 		this.anchors.eq( index ).data( "load.tabs", url );
 		return this;
-	},
-
-	length: function() {
-		return this.anchors.length;
 	}
 });
 
@@ -812,6 +808,12 @@ if ( $.uiBackCompat !== false ) {
 		};
 	}( jQuery, jQuery.ui.tabs.prototype ) );
 
+	// length method
+	(function( $, prototype ) {
+		prototype.length = function() {
+			return this.anchors.length;
+		};
+	}( jQuery, jQuery.ui.tabs.prototype ) );
 }
 
 })( jQuery );