edu.harvard.med.screensaver.ui.arch.datatable.column.DateColumn.java Source code

Introduction

Here is the source code for edu.harvard.med.screensaver.ui.arch.datatable.column.DateColumn.java

Source

// $HeadURL$
// $Id$
//
// Copyright  2006, 2010, 2011, 2012 by the President and Fellows of Harvard College.
//
// Screensaver is an open-source project developed by the ICCB-L and NSRB labs
// at Harvard Medical School. This software is distributed under the terms of
// the GNU General Public License.

package edu.harvard.med.screensaver.ui.arch.datatable.column;

import java.util.Comparator;

import edu.harvard.med.screensaver.util.NullSafeComparator;

import org.joda.time.LocalDate;

public abstract class DateColumn<R> extends TableColumn<R, LocalDate> {
    abstract protected LocalDate getDate(R o);

    public DateColumn(String name, String description, String group) {
        super(name, description, ColumnType.DATE, group);
    }

    @Override
    public LocalDate getCellValue(R o) {
        return getDate(o);
    }

    @Override
    protected Comparator<R> getAscendingComparator() {
        return new NullSafeComparator<R>() {
            NullSafeComparator<LocalDate> _dateComparator = new NullSafeComparator<LocalDate>() {
                @Override
                protected int doCompare(LocalDate d1, LocalDate d2) {
                    return d1.compareTo(d2);
                }
            };

            @Override
            protected int doCompare(R o1, R o2) {
                return _dateComparator.compare(getDate(o1), getDate(o2));
            }
        };
    }

}