/*
 * Copyright (C) 2000 - 2024 Silverpeas
 *
 * 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.
 *
 * As a special exception to the terms and conditions of version 3.0 of
 * the GPL, you may redistribute this Program in connection with Free/Libre
 * Open Source Software ("FLOSS") applications as described in Silverpeas's
 * FLOSS exception.  You should have received a copy of the text describing
 * the FLOSS exception, and it is also available here:
 * "https://www.silverpeas.org/legal/floss_exception.html"
 *
 * 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 Affero 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 <https://www.gnu.org/licenses/>.
 */
package org.silverpeas.core.web.util;

import java.io.Serializable;

/**
 * Created by Nicolas on 08/02/2017.
 */
public class ListIndex implements Serializable {

  private int nbItems;
  private int currentIndex = 0;

  public ListIndex(final int nbItems) {
    this.nbItems = nbItems;
  }

  public int getNbItems() {
    return nbItems;
  }

  public void setNbItems(final int nbItems) {
    this.nbItems = nbItems;
  }

  public int getCurrentIndex() {
    return currentIndex;
  }

  public void setCurrentIndex(final int currentIndex) {
    this.currentIndex = currentIndex;
  }

  public int getPreviousIndex() {
    if (currentIndex > 0) {
      currentIndex--;
    }
    return currentIndex;
  }

  public int getNextIndex() {
    if (currentIndex < nbItems-1) {
      currentIndex++;
    }
    return currentIndex;
  }
}
