docs: public void setEditorTarget (PropertyEditorTarget target)
      {
          if (target instanceof DBMetaCatalogNode)
          {
              super.setEditorTarget(target);
              this.tfCatalogName.setText((String)target.getAttribute(DBMetaCatalogNode.ATT_CATALOG_NAME));
          }
          else
          {
              throw new UnsupportedOperationException("This editor can only edit DBMetaCatalogNode objects");
          }
      }