001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software, please see the
018 * company website: https://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: https://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.widgets.serialdate;
029
030import org.opencms.acacia.shared.I_CmsSerialDateValue.EndType;
031
032import java.util.Calendar;
033import java.util.Date;
034import java.util.GregorianCalendar;
035import java.util.Iterator;
036import java.util.SortedSet;
037import java.util.TreeSet;
038
039/**
040 * Implementation of @{link org.opencms.widgets.serialdate.I_CmsSerialDateBean}
041 * that handles series' specified as individual dates.
042 */
043public class CmsSerialDateBeanIndividual extends A_CmsSerialDateBean {
044
045    /** The individual dates. */
046    private TreeSet<Date> m_individualDates;
047
048    /**
049     * @param startDate the start date of the series as provided by the serial date widget.
050     * @param endDate the end date of the series as provided by the serial date widget.
051     * @param isWholeDay flag, indicating if the event lasts the whole day
052     * @param endType the end type of the series as provided by the serial date widget.
053     * @param serialEndDate the end date of the series as provided by the serial date widget.
054     * @param occurrences the maximal number of occurrences of the event as provided by the serial date widget.
055     * @param exceptions dates where the event does not take place, even if it is in the series.
056     * @param individualDates the individual dates of the series.
057     */
058    public CmsSerialDateBeanIndividual(
059        Date startDate,
060        Date endDate,
061        boolean isWholeDay,
062        EndType endType,
063        Date serialEndDate,
064        int occurrences,
065        SortedSet<Date> exceptions,
066        SortedSet<Date> individualDates) {
067
068        super(startDate, endDate, isWholeDay, endType, serialEndDate, occurrences, exceptions);
069        m_individualDates = null == individualDates ? new TreeSet<Date>() : new TreeSet<Date>(individualDates);
070
071    }
072
073    /**
074     * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#getFirstDate()
075     */
076    @Override
077    protected Calendar getFirstDate() {
078
079        if (m_individualDates.isEmpty()) {
080            return null;
081        } else {
082            Calendar result = new GregorianCalendar();
083            result.setTime(m_individualDates.iterator().next());
084            return result;
085        }
086    }
087
088    /**
089     * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#isAnyDatePossible()
090     */
091    @Override
092    protected boolean isAnyDatePossible() {
093
094        return !m_individualDates.isEmpty();
095    }
096
097    /**
098     * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#showMoreEntries(java.util.Calendar, int)
099     */
100    @Override
101    protected boolean showMoreEntries(Calendar nextDate, int previousOccurrences) {
102
103        return previousOccurrences < m_individualDates.size();
104    }
105
106    /**
107     * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#toNextDate(java.util.Calendar)
108     */
109    @Override
110    protected void toNextDate(Calendar date) {
111
112        Date d = date.getTime();
113        boolean found = false;
114        Iterator<Date> it = m_individualDates.iterator();
115        while (it.hasNext()) {
116            if (found) {
117                date.setTime(it.next());
118                return;
119            } else if (d.equals(it.next())) {
120                found = true;
121            }
122        }
123    }
124
125}