X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=_source%2Fplugins%2Fshowblocks%2Fplugin.js;h=6107cdfe85b48e5a7768ea07336805ea1564b6ad;hb=4e70ea24db840898be8cc21c950363a52a2a6aba;hp=cbec3141b36f5ed607d72b4ae1d62a4f7e822829;hpb=48b1db88210b4160dce439c6e3e32e14af8c106b;p=ckeditor.git

diff --git a/_source/plugins/showblocks/plugin.js b/_source/plugins/showblocks/plugin.js
index cbec314..6107cdf 100644
--- a/_source/plugins/showblocks/plugin.js
+++ b/_source/plugins/showblocks/plugin.js
@@ -89,6 +89,7 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 
 	var commandDefinition =
 	{
+		readOnly : 1,
 		preserveState : true,
 		editorFocus : false,
 
@@ -100,8 +101,11 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 
 		refresh : function( editor )
 		{
-			var funcName = ( this.state == CKEDITOR.TRISTATE_ON ) ? 'addClass' : 'removeClass';
-			editor.document.getBody()[ funcName ]( 'cke_show_blocks' );
+			if ( editor.document )
+			{
+				var funcName = ( this.state == CKEDITOR.TRISTATE_ON ) ? 'addClass' : 'removeClass';
+				editor.document.getBody()[ funcName ]( 'cke_show_blocks' );
+			}
 		}
 	};