content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library 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
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.widgets.serialdate;
  
  import org.opencms.acacia.shared.I_CmsSerialDateValue.EndType;
  
  import java.util.Calendar;
  import java.util.Date;
  import java.util.GregorianCalendar;
  import java.util.Iterator;
  import java.util.SortedSet;
  import java.util.TreeSet;
  
  /**
   * Implementation of @{link org.opencms.widgets.serialdate.I_CmsSerialDateBean}
   * that handles series' specified as individual dates.
   */
  public class CmsSerialDateBeanIndividual extends A_CmsSerialDateBean {
  
      /** The individual dates. */
      private TreeSet<Date> m_individualDates;
  
      /**
       * @param startDate the start date of the series as provided by the serial date widget.
       * @param endDate the end date of the series as provided by the serial date widget.
       * @param isWholeDay flag, indicating if the event lasts the whole day
       * @param endType the end type of the series as provided by the serial date widget.
       * @param serialEndDate the end date of the series as provided by the serial date widget.
       * @param occurrences the maximal number of occurrences of the event as provided by the serial date widget.
       * @param exceptions dates where the event does not take place, even if it is in the series.
       * @param individualDates the individual dates of the series.
       */
      public CmsSerialDateBeanIndividual(
          Date startDate,
          Date endDate,
          boolean isWholeDay,
          EndType endType,
          Date serialEndDate,
          int occurrences,
          SortedSet<Date> exceptions,
          SortedSet<Date> individualDates) {
          super(startDate, endDate, isWholeDay, endType, serialEndDate, occurrences, exceptions);
          m_individualDates = null == individualDates ? new TreeSet<Date>() : new TreeSet<Date>(individualDates);
  
      }
  
      /**
       * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#getFirstDate()
       */
      @Override
      protected Calendar getFirstDate() {
  
          if (m_individualDates.isEmpty()) {
              return null;
          } else {
              Calendar result = new GregorianCalendar();
              result.setTime(m_individualDates.iterator().next());
              return result;
          }
      }
  
      /**
       * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#isAnyDatePossible()
       */
      @Override
      protected boolean isAnyDatePossible() {
  
          return !m_individualDates.isEmpty();
      }
  
      /**
       * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#showMoreEntries(java.util.Calendar, int)
       */
      @Override
      protected boolean showMoreEntries(Calendar nextDate, int previousOccurrences) {
  
          return previousOccurrences < m_individualDates.size();
      }
  
      /**
       * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#toNextDate(java.util.Calendar)
       */
      @Override
      protected void toNextDate(Calendar date) {
  
          Date d = date.getTime();
          boolean found = false;
          Iterator<Date> it = m_individualDates.iterator();
          while (it.hasNext()) {
              if (found) {
                  date.setTime(it.next());
                  return;
              } else if (d.equals(it.next())) {
                  found = true;
              }
          }
      }
  
  }
  