1 /**
2 * This file Copyright (c) 2019 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.datasource.optionlist;
35
36 import info.magnolia.ui.field.FieldDefinition;
37 import info.magnolia.ui.field.SelectFieldSupport;
38
39 import java.util.Optional;
40
41 import javax.inject.Inject;
42
43 import org.apache.commons.lang3.StringUtils;
44
45 import com.vaadin.data.Converter;
46 import com.vaadin.data.provider.DataProvider;
47 import com.vaadin.server.ExternalResource;
48 import com.vaadin.ui.IconGenerator;
49 import com.vaadin.ui.ItemCaptionGenerator;
50
51 /**
52 * {@link SelectFieldSupport} implementation based on {@link OptionListDefinition}.
53 */
54 public class OptionSelectFieldSupport implements SelectFieldSupport<Option> {
55
56 private final FieldDefinition fieldDefinition;
57 private final OptionListDefinition optionListDefinition;
58
59 @Inject
60 public OptionSelectFieldSupport(FieldDefinition fieldDefinition, OptionListDefinition optionListDefinition) {
61 this.fieldDefinition = fieldDefinition;
62 this.optionListDefinition = optionListDefinition;
63 }
64
65 @Override
66 public DataProvider<Option, ?> getDataProvider() {
67 return new OptionListProvider(optionListDefinition);
68 }
69
70 @Override
71 public ItemCaptionGenerator<Option> getItemCaptionGenerator() {
72 return option -> StringUtils.defaultIfBlank(option.getLabel(), option.getName());
73 }
74
75 @Override
76 public IconGenerator<Option> getIconGenerator() {
77 return optionDef -> Optional.ofNullable(optionDef.getIconSrc()).map(ExternalResource::new).orElse(null);
78 }
79
80 @Override
81 public Converter<Option, String> defaultConverter() {
82 return new OptionToModelTypeConverter<>(fieldDefinition, optionListDefinition);
83 }
84 }