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@mkgl
Created May 3, 2016 16:47
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/**
* This file Copyright (c) 2016 Magnolia International
* Ltd. (http://www.magnolia-cms.com). All rights reserved.
*
*
* This file is dual-licensed under both the Magnolia
* Network Agreement and the GNU General Public License.
* You may elect to use one or the other of these licenses.
*
* This file is distributed in the hope that it will be
* useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
* Redistribution, except as permitted by whichever of the GPL
* or MNA you select, is prohibited.
*
* 1. For the GPL license (GPL), you can redistribute and/or
* modify this file under the terms of the GNU General
* Public License, Version 3, as published by the Free Software
* Foundation. You should have received a copy of the GNU
* General Public License, Version 3 along with this program;
* if not, write to the Free Software Foundation, Inc., 51
* Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 2. For the Magnolia Network Agreement (MNA), this file
* and the accompanying materials are made available under the
* terms of the MNA which accompanies this distribution, and
* is available at http://www.magnolia-cms.com/mna.html
*
* Any modifications to this file must keep this entire header
* intact.
*
*/
package me.mkgl.sandbox.vaadin;
import static com.vaadin.server.Sizeable.Unit.PIXELS;
import static java.util.stream.Collectors.*;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Optional;
import java.util.TimeZone;
import javax.servlet.annotation.WebServlet;
import com.vaadin.annotations.Theme;
import com.vaadin.annotations.VaadinServletConfiguration;
import com.vaadin.data.Property;
import com.vaadin.data.util.BeanItemContainer;
import com.vaadin.server.Page;
import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinServlet;
import com.vaadin.server.WebBrowser;
import com.vaadin.shared.ui.combobox.FilteringMode;
import com.vaadin.shared.ui.datefield.Resolution;
import com.vaadin.ui.AbstractSelect.ItemCaptionMode;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.DateField;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Notification;
import com.vaadin.ui.PopupDateField;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
@Theme("valo")
public class DateFieldUI extends UI {
@WebServlet(value = "/date/*", asyncSupported = true)
@VaadinServletConfiguration(productionMode = false, ui = DateFieldUI.class)
public static class Servlet extends VaadinServlet {
}
@Override
protected void init(VaadinRequest request) {
setSizeFull();
VerticalLayout layout = new VerticalLayout();
layout.setMargin(true);
layout.setSpacing(true);
layout.setSizeFull();
WebBrowser browserInfo = Page.getCurrent().getWebBrowser();
int rawOffset = browserInfo.getRawTimezoneOffset();
boolean dst = browserInfo.isDSTInEffect();
int dstSavings = browserInfo.getDSTSavings();
Date requestDate = browserInfo.getCurrentDate();
List<TimeZone> timeZoneCandidates = Arrays.stream(TimeZone.getAvailableIDs())
// List<TimeZone> timeZoneCandidates = Arrays.stream(TimeZone.getAvailableIDs(rawOffset))
.map(TimeZone::getTimeZone)
// .filter(z -> z.inDaylightTime(requestDate) == dst)
// .filter(z -> z.getDSTSavings() == dstSavings)
.collect(toList());
System.out.println(timeZoneCandidates.size());
System.out.println(timeZoneCandidates.stream()
.map(TimeZone::getID)
.collect(joining("\n", "\n-----\n", "\n-----\n")));
Optional<TimeZone> timeZone = timeZoneCandidates.stream().findFirst();
System.out.println(timeZone);
DateField testDate = new PopupDateField("Date");
testDate.setResolution(Resolution.MINUTE);
testDate.setWidth(400, PIXELS);
testDate.addValueChangeListener(this::logDate);
ComboBox testTimeZone = new ComboBox("Time zone", new BeanItemContainer<>(TimeZone.class, timeZoneCandidates));
testTimeZone.setItemCaptionMode(ItemCaptionMode.PROPERTY);
testTimeZone.setItemCaptionPropertyId("ID");
testTimeZone.setNullSelectionAllowed(false);
testTimeZone.setFilteringMode(FilteringMode.CONTAINS);
testTimeZone.addValueChangeListener(e -> {
TimeZone newTimeZone = (TimeZone) e.getProperty().getValue();
testDate.setTimeZone(newTimeZone);
logTimeZone(newTimeZone);
});
if (timeZone.isPresent()) {
testTimeZone.setValue(timeZone.get());
}
testDate.setValue(requestDate);
HorizontalLayout testDateRow = new HorizontalLayout(testTimeZone, testDate);
testDateRow.setCaption("Test schedule");
testDateRow.setSpacing(true);
layout.addComponent(testDateRow);
setContent(layout);
}
private void logDate(Property.ValueChangeEvent e) {
String message = "Date changed to " + e.getProperty().getValue() + " (Server time)";
Notification.show(message);
System.out.println(message);
}
private void logTimeZone(TimeZone newTimeZone) {
String message = "Time zone changed to " + newTimeZone.getID();
Notification.show(message);
System.out.println(message);
}
}
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