1 /**
2 * This file Copyright (c) 2011-2014 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.ui.form.field.factory;
35
36 import info.magnolia.ui.form.field.definition.DateFieldDefinition;
37
38 import java.util.Date;
39 import java.util.TimeZone;
40
41 import com.vaadin.data.Item;
42 import com.vaadin.server.Page;
43 import com.vaadin.server.Sizeable;
44 import com.vaadin.server.Sizeable.Unit;
45 import com.vaadin.shared.ui.datefield.Resolution;
46 import com.vaadin.ui.DateField;
47 import com.vaadin.ui.Field;
48 import com.vaadin.ui.PopupDateField;
49
50 /**
51 * Creates and initializes a date field based on a field definition.
52 */
53 public class DateFieldFactory extends AbstractFieldFactory<DateFieldDefinition, Date> {
54
55 public DateFieldFactory(DateFieldDefinition definition, Item relatedFieldItem) {
56 super(definition, relatedFieldItem);
57 }
58
59 @Override
60 public Field<Date> createField() {
61 Field<Date> field = super.createField();
62 field.setWidth(Sizeable.SIZE_UNDEFINED, Unit.PIXELS);
63 return field;
64 }
65
66 @Override
67 protected Field<Date> createFieldComponent() {
68 DateFieldDefinition definition = getFieldDefinition();
69 PopupDateField popupDateField = new PopupDateField();
70
71 setTimeZone(popupDateField);
72 String dateFormat = "";
73
74 // set Resolution
75 if (definition.isTime()) {
76 popupDateField.setResolution(Resolution.MINUTE);
77 dateFormat = definition.getDateFormat() + ":" + definition.getTimeFormat();
78 } else {
79 popupDateField.setResolution(Resolution.DAY);
80 dateFormat = definition.getDateFormat();
81 }
82
83 popupDateField.setDateFormat(dateFormat);
84
85 return popupDateField;
86 }
87
88 @Override
89 protected Class<?> getDefaultFieldType() {
90 return Date.class;
91 }
92
93 /**
94 * When not explicitly setting the current time using {@link Field#setValue} the client side implementation will set
95 * it to the browsers time, ignoring timezone differences and therefor making it impossible to get the UTC time.
96 */
97 private void setTimeZone(DateField popupDateField) {
98
99 TimeZone timeZone = TimeZone.getDefault();
100 try {
101 int offset = Page.getCurrent().getWebBrowser().getRawTimezoneOffset();
102 timeZone.setRawOffset(offset);
103 }
104 catch (NullPointerException e) {
105 // don't throw null pointer
106 }
107 popupDateField.setTimeZone(timeZone);
108 }
109 }