content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *        http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
   *  software distributed under the License is distributed on an
   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   *  KIND, either express or implied.  See the License for the
   *  specific language governing permissions and limitations
   *  under the License.
   */
  package org.apache.causeway.viewer.wicket.ui.components.actionlinks;
  
  import org.apache.wicket.Component;
  import org.apache.wicket.behavior.Behavior;
  
  import org.apache.causeway.applib.fa.FontAwesomeLayers;
  import org.apache.causeway.applib.layout.component.CssClassFaPosition;
  
  import org.jspecify.annotations.NonNull;
  import lombok.RequiredArgsConstructor;
  
  /**
   * A behavior that prepends or appends the markup needed to show a Font Awesome icon
   * for a LinkAndLabel
   */
  @RequiredArgsConstructor
  public class FontAwesomeBehavior extends Behavior {
  
      private static final long serialVersionUID = 1L;
  
      @NonNull private final FontAwesomeLayers faLayers;
  
      @Override
      public void beforeRender(final Component component) {
          super.beforeRender(component);
          if(CssClassFaPosition.isLeftOrUnspecified(faLayers.position())) {
              component.getResponse().write(faLayers.toHtml());
          }
      }
  
      @Override
      public void afterRender(final Component component) {
          if(!CssClassFaPosition.isLeftOrUnspecified(faLayers.position())) {
              component.getResponse().write(faLayers.toHtml());
          }
          super.afterRender(component);
      }
  
  }
  