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; 018 019import org.apache.wicket.markup.html.border.Border; 020 021public enum ChildToDequeueType 022{ 023 NULL, GENERIC_COMPONENT, MARKUP_CONTAINER, BORDER, QUEUE_REGION; 024 025 public static ChildToDequeueType fromChild(Component child) 026 { 027 if (child == null) 028 { 029 return NULL; 030 } 031 032 if (child instanceof Border) 033 { 034 return BORDER; 035 } 036 037 if (child instanceof IQueueRegion) 038 { 039 return QUEUE_REGION; 040 } 041 042 if (child instanceof MarkupContainer) 043 { 044 return MARKUP_CONTAINER; 045 } 046 047 return GENERIC_COMPONENT; 048 } 049}