Ticket #8326: 8326.patch

_source/core/dom/node.js

@@ -670 +670 @@
                         if ( this.type != CKEDITOR.NODE_ELEMENT )
                                 element = this.getParent();
 
-                        if ( element
-                                        && typeof element.$.isContentEditable != 'undefined'
-                                        && !element.data( 'cke-editable' ) )
+                        if ( element && typeof element.$.isContentEditable != 'undefined' )
+                                return ! ( element.$.isContentEditable || element.data( 'cke-editable' ) );
+                        else
                         {
-                                return !element.$.isContentEditable;
-                        }
-                        else
+                                // Degrade for old browsers which don't support "isContentEditable", e.g. FF3
+                                var current = element;
+                                while( current )
+                                {
+                                        if ( current.is( 'body' ) || !!current.data( 'cke-editable' ) )
+                                                break;
+
+                                        if ( current.getAttribute( 'contentEditable' ) == 'false' )
+                                                return current;
+                                        else if ( current.getAttribute( 'contentEditable' ) == 'true' )
+                                                break;
+
+                                        current = current.getParent();
+                                }
+
                                 return false;
-                }
-        }
+                        }
+                }
+        }
 );