001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://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: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://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        super(startDate, endDate, isWholeDay, endType, serialEndDate, occurrences, exceptions);
068        m_individualDates = null == individualDates ? new TreeSet<Date>() : new TreeSet<Date>(individualDates);
069
070    }
071
072    /**
073     * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#getFirstDate()
074     */
075    @Override
076    protected Calendar getFirstDate() {
077
078        if (m_individualDates.isEmpty()) {
079            return null;
080        } else {
081            Calendar result = new GregorianCalendar();
082            result.setTime(m_individualDates.iterator().next());
083            return result;
084        }
085    }
086
087    /**
088     * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#isAnyDatePossible()
089     */
090    @Override
091    protected boolean isAnyDatePossible() {
092
093        return !m_individualDates.isEmpty();
094    }
095
096    /**
097     * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#showMoreEntries(java.util.Calendar, int)
098     */
099    @Override
100    protected boolean showMoreEntries(Calendar nextDate, int previousOccurrences) {
101
102        return previousOccurrences < m_individualDates.size();
103    }
104
105    /**
106     * @see org.opencms.widgets.serialdate.A_CmsSerialDateBean#toNextDate(java.util.Calendar)
107     */
108    @Override
109    protected void toNextDate(Calendar date) {
110
111        Date d = date.getTime();
112        boolean found = false;
113        Iterator<Date> it = m_individualDates.iterator();
114        while (it.hasNext()) {
115            if (found) {
116                date.setTime(it.next());
117                return;
118            } else if (d.equals(it.next())) {
119                found = true;
120            }
121        }
122    }
123
124}