vanilla ckeditor-3.6

[ckeditor.git] / _source / plugins / showborders / plugin.js

diff --git a/_source/plugins/showborders/plugin.js b/_source/plugins/showborders/plugin.js
index 6e199e3..0603677 100644 (file)
--- a/_source/plugins/showborders/plugin.js
+++ b/_source/plugins/showborders/plugin.js
@@ -40,6 +40,7 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
        {\r
                preserveState : true,\r
                editorFocus : false,\r
+               readOnly: 1,\r
 \r
                exec : function ( editor )\r
                {\r
@@ -49,8 +50,11 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 \r
                refresh : function( editor )\r
                {\r
-                       var funcName = ( this.state == CKEDITOR.TRISTATE_ON ) ? 'addClass' : 'removeClass';\r
-                       editor.document.getBody()[ funcName ]( 'cke_show_borders' );\r
+                       if ( editor.document )\r
+                       {\r
+                               var funcName = ( this.state == CKEDITOR.TRISTATE_ON ) ? 'addClass' : 'removeClass';\r
+                               editor.document.getBody()[ funcName ]( 'cke_show_borders' );\r
+                       }\r
                }\r
        };\r
 \r