((BaseDocument) doc).addPostModificationDocumentListener(this);
bdoc.addPostModificationDocumentListener(InstantRenamePerformer.this);
if (document instanceof BaseDocument) { BaseDocument bd = (BaseDocument) document; bd.addPostModificationDocumentListener(this);
if (document instanceof BaseDocument) { BaseDocument bd = (BaseDocument) document; bd.addPostModificationDocumentListener(this);