/*******************************************************************************
* Copyright (c) 2009, 2016 Matthew Hall and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Matthew Hall - initial API and implementation (bug 169876)
* Matthew Hall - bug 271720
* Simon Scholz <simon.scholz@vogella.com> - Bug 502228
******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;
import java.util.Calendar;
import java.util.Date;
import org.eclipse.jface.databinding.swt.WidgetValueProperty;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.DateTime;
/**
* @since 3.2
*
*/
public class DateTimeSelectionProperty extends WidgetValueProperty {
/**
*
*/
public DateTimeSelectionProperty() {
super(SWT.Selection);
}
@Override
public Object getValueType() {
return Date.class;
}
// One calendar per thread to preserve thread-safety
private static final ThreadLocal calendar = new ThreadLocal() {
@Override
protected Object initialValue() {
return Calendar.getInstance();
}
};
@Override
protected Object doGetValue(Object source) {
DateTime dateTime = (DateTime) source;
Calendar cal = (Calendar) calendar.get();
cal.clear();
if ((dateTime.getStyle() & SWT.TIME) != 0) {
cal.set(Calendar.HOUR_OF_DAY, dateTime.getHours());
cal.set(Calendar.MINUTE, dateTime.getMinutes());
cal.set(Calendar.SECOND, dateTime.getSeconds());
} else {
cal.set(Calendar.YEAR, dateTime.getYear());
cal.set(Calendar.MONTH, dateTime.getMonth());
cal.set(Calendar.DAY_OF_MONTH, dateTime.getDay());
}
return cal.getTime();
}
@Override
protected void doSetValue(Object source, Object value) {
if (value == null) {
// ignore null, since it cannot be applied to the DateTimeWidget
return;
}
DateTime dateTime = (DateTime) source;
Calendar cal = (Calendar) calendar.get();
cal.setTime((Date) value);
if ((dateTime.getStyle() & SWT.TIME) != 0) {
dateTime.setTime(cal.get(Calendar.HOUR_OF_DAY), cal
.get(Calendar.MINUTE), cal.get(Calendar.SECOND));
} else {
dateTime.setDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH),
cal.get(Calendar.DAY_OF_MONTH));
}
}
}