001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.wicket.markup.html.form; 018 019/** 020 * Participates in the form visiting algorithm, and can hint that visiting should go on as normal ( 021 * {@link #processChildren()} returns true) or is limited to the same level (only siblings are 022 * processed, {@link #processChildren()} returns false). 023 * 024 * @author Pekka Enberg 025 */ 026@FunctionalInterface 027public interface IFormVisitorParticipant 028{ 029 /** 030 * Should children be traversed during visiting or should only the siblings be processed. 031 * 032 * @return <tt>true</tt> if children should be traversed during form processing; <tt>false</tt> 033 * if only the siblings should be processed. 034 */ 035 boolean processChildren(); 036}