* Checks the given column.
* @param columnId
* @return true if the column is a product category column
*/
private boolean isProductCategoryField(int columnId) {
X_AD_Column col = new X_AD_Column(Env.getCtx(), columnId, null);
if (col.get_ID() == 0) {
return false; // column not found...
}
return MProduct.COLUMNNAME_M_Product_Category_ID.equals(col.getColumnName());
}