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1   /**
2    * This file Copyright (c) 2018 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.framework.databinding.view;
35  
36  import info.magnolia.objectfactory.ComponentProvider;
37  import info.magnolia.ui.framework.databinding.ConfiguredBinder;
38  import info.magnolia.ui.framework.databinding.converter.ItemToLinkConverterResolverStrategy;
39  import info.magnolia.ui.form.FormDefinition;
40  import info.magnolia.ui.framework.datasource.DatasourceComponent;
41  import info.magnolia.ui.framework.datasource.components.PropertySetFactory;
42  
43  import java.util.Locale;
44  
45  import javax.inject.Inject;
46  
47  import com.vaadin.data.Binder;
48  import com.vaadin.data.PropertySet;
49  
50  /**
51   * Handles some logic on behalf of the FormView.
52   * @param <T> item type.
53   */
54  public class FormPresenter<T> {
55  
56      private final ComponentProvider componentProvider;
57      private final PropertySetFactory<T> propertySetFactory;
58      private final ItemToLinkConverterResolverStrategy converterResolverStrategy;
59  
60      @Inject
61      public FormPresenter(ComponentProvider componentProvider,
62                           ItemToLinkConverterResolverStrategy converterResolverStrategy,
63                           @DatasourceComponent PropertySetFactory<T> propertySetFactory) {
64          this.componentProvider = componentProvider;
65          this.propertySetFactory = propertySetFactory;
66          this.converterResolverStrategy = converterResolverStrategy;
67      }
68  
69      Binder<T> createBinder(FormDefinition<T> formDefinition, Locale locale) {
70          return new ConfiguredBinder<>(formDefinition.getFieldDefinitions(), componentProvider, createPropertySet(locale, formDefinition), converterResolverStrategy);
71      }
72  
73      private PropertySet<T> createPropertySet(Locale locale, FormDefinition<T> formDefinition) {
74          return propertySetFactory.fromFormDefinition(formDefinition, locale);
75      }
76  }