/*
    * 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.syncope.client.ui.commons.markup.html.form;
  
  import java.io.Serializable;
  import java.util.List;
  import org.apache.syncope.client.ui.commons.Constants;
  import org.apache.syncope.client.ui.commons.ajax.form.IndicatorAjaxFormComponentUpdatingBehavior;
  import org.apache.wicket.ajax.AjaxRequestTarget;
  import org.apache.wicket.markup.html.form.ChoiceRenderer;
  import org.apache.wicket.markup.html.form.DropDownChoice;
  import org.apache.wicket.markup.html.form.IChoiceRenderer;
  import org.apache.wicket.model.IModel;
  import org.apache.wicket.model.ResourceModel;
  
  public class AjaxDropDownChoicePanel<T extends Serializable> extends FieldPanel<T> implements Cloneable {
  
      private static final long serialVersionUID = -4716376580659196095L;
  
      public AjaxDropDownChoicePanel(final String id, final String name, final IModel<T> model) {
          this(id, name, model, true);
      }
  
      public AjaxDropDownChoicePanel(
              final String id, final String name, final IModel<T> model, final boolean enableOnBlur) {
  
          super(id, name, model);
  
          field = new DropDownChoice<>("dropDownChoiceField", model, List.of(), new ChoiceRenderer<>());
          add(field.setLabel(new ResourceModel(name, name)).setOutputMarkupId(true));
  
          if (enableOnBlur) {
              field.add(new IndicatorAjaxFormComponentUpdatingBehavior(Constants.ON_BLUR) {
  
                  private static final long serialVersionUID = -1107858522700306810L;
  
                  @Override
                  protected void onUpdate(final AjaxRequestTarget target) {
                      // nothing to do
                  }
              }).add(new IndicatorAjaxFormComponentUpdatingBehavior(Constants.ON_CHANGE) {
  
                  private static final long serialVersionUID = -1107858522700306810L;
  
                  @Override
                  protected void onUpdate(final AjaxRequestTarget target) {
                      // nothing to do
                  }
              });
          }
  
          setNullValid(true);
      }
  
      @Override
      public FieldPanel<T> setRequired(final boolean required) {
          setNullValid(!required);
          return super.setRequired(required);
      }
  
      @SuppressWarnings("unchecked")
      public AjaxDropDownChoicePanel<T> setChoiceRenderer(final IChoiceRenderer<T> renderer) {
          DropDownChoice.class.cast(field).setChoiceRenderer(renderer);
          return this;
      }
  
      @SuppressWarnings("unchecked")
      public AjaxDropDownChoicePanel<T> setChoices(final List<T> choices) {
          DropDownChoice.class.cast(field).setChoices(choices);
          return this;
      }
  
      @SuppressWarnings("unchecked")
      public AjaxDropDownChoicePanel<T> setChoices(final IModel<? extends List<? extends T>> choices) {
          DropDownChoice.class.cast(field).setChoices(choices);
          return this;
      }
  
      public final AjaxDropDownChoicePanel<T> setNullValid(final boolean validity) {
          DropDownChoice.class.cast(field).setNullValid(validity);
          return this;
      }
  
     @Override
     @SuppressWarnings("unchecked")
     public FieldPanel<T> clone() {
         final AjaxDropDownChoicePanel<T> panel = (AjaxDropDownChoicePanel<T>) super.clone();
         panel.setChoiceRenderer(DropDownChoice.class.cast(field).getChoiceRenderer());
         panel.setChoices(DropDownChoice.class.cast(field).getChoices());
         return panel;
     }
 }