package fr.ifremer.quadrige3.ui.swing.component;
   
   /*-
    * #%L
    * Quadrige3 Core :: UI Swing Common
    * %%
    * Copyright (C) 2017 - 2019 Ifremer
    * %%
    * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Affero General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   * 
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   * 
   * You should have received a copy of the GNU Affero General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   * #L%
   */
  
  import fr.ifremer.quadrige3.core.dao.technical.Assert;
  import fr.ifremer.quadrige3.core.dao.technical.enumeration.EnumValue;
  
  import javax.swing.DefaultComboBoxModel;
  import javax.swing.DefaultListCellRenderer;
  import javax.swing.JComboBox;
  import javax.swing.JList;
  import java.awt.Component;
  
  /**
   * @author peck7 on 18/06/2019.
   */
  @SuppressWarnings("unchecked")
  public class EnumValueComboBox<V extends EnumValue> extends JComboBox<V> {
  
      public <E extends Enum<E>> EnumValueComboBox(Class<E> enumClass) {
          super();
          Assert.isTrue(EnumValue.class.isAssignableFrom(enumClass), "The enumeration class must implement EnumValue");
  
          setModel(new DefaultComboBoxModel<>((V[]) enumClass.getEnumConstants()));
  
          setRenderer(new DefaultListCellRenderer() {
              @Override
              public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
                  value = ((V) value).getLabel();
                  return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
              }
          });
      }
  
      @Override
      public V getSelectedItem() {
          return (V) super.getSelectedItem();
      }
  }