Ticket #23198: 23198.3.diff

wp-admin/js/post-formats.js

@@ -12 +12 @@
                 $this.addClass('nav-tab-active').blur();
                 $('#post_format').val(format);
                 $('#post-body-content').attr('class', 'wp-format-' + format );
+
+                if ( typeof(tinymce) !== 'undefined' ) {
+                        var ed = tinymce.get( 'content' ), edBody, pformat;
+                        if ( ed && this.id ) {
+                                edBody = ed.getBody();
+                                pformat = 'post-format-' + this.id; // also need to handle 'post-format-0'
+                                edBody.className = edBody.className.replace( /\bpost-format-[^ ]+/, '' );
+                                ed.dom.addClass( edBody, format );
+                        }
+                }
+
         });
 
         // Image selection