code: public void setEditorTarget (PropertyEditorTarget target)
      {
          if (target instanceof DBMetaColumnNode)
          {
              super.setEditorTarget(target);
              this.tfColumnName.setText((String)target.getAttribute(DBMetaColumnNode.ATT_COLUMN_NAME));
          }
          else
          {
              throw new UnsupportedOperationException("This editor can only edit DBMetaColumnNode objects");
          }
      }
docs: GEN-END:initComponents