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 */
017
018package org.apache.wicket.markup.html.link;
019
020import org.apache.wicket.Component;
021import org.apache.wicket.behavior.Behavior;
022import org.apache.wicket.markup.ComponentTag;
023
024/**
025 * 
026 * A behavior to add attribute "disabled" to a Link component when it is disabled.
027 *
028 */
029public class DisabledAttributeLinkBehavior extends Behavior
030{
031
032    private static final long serialVersionUID = 1L;
033
034        @Override
035        public void onComponentTag(Component component, ComponentTag tag)
036        {
037                if (!component.isEnabledInHierarchy())
038                {
039                        // if the tag is an anchor proper
040                        String tagName = tag.getName();
041                        
042                        if (tagName.equalsIgnoreCase("a") || tagName.equalsIgnoreCase("link") ||
043                                tagName.equalsIgnoreCase("area"))
044                        {
045                            tag.put("disabled", "disabled");
046                        }
047                        else 
048                        {
049                                tag.remove("rel");
050                        }
051                }
052        }
053}