| /******************************************************************************* |
| * Copyright (c) 2009 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 |
| ******************************************************************************/ |
| |
| 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<DateTime, Date> { |
| /** |
| * |
| */ |
| public DateTimeSelectionProperty() { |
| super(SWT.Selection); |
| } |
| |
| public Object getValueType() { |
| return Date.class; |
| } |
| |
| // One calendar per thread to preserve thread-safety |
| private static final ThreadLocal<Calendar> calendar = new ThreadLocal<Calendar>() { |
| protected Calendar initialValue() { |
| return Calendar.getInstance(); |
| } |
| }; |
| |
| protected Date doGetValue(DateTime dateTime) { |
| Calendar cal = 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(); |
| } |
| |
| protected void doSetValue(DateTime dateTime, Date value) { |
| if (value == null) |
| throw new IllegalArgumentException( |
| "Cannot set null selection on DateTime"); //$NON-NLS-1$ |
| |
| Calendar cal = calendar.get(); |
| cal.setTime(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)); |
| } |
| } |
| } |