1 /** 2 * This file Copyright (c) 2013-2017 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.security.app.dialog.field.property; 35 36 import info.magnolia.ui.form.field.definition.ConfiguredFieldDefinition; 37 import info.magnolia.ui.form.field.transformer.basic.BasicTransformer; 38 39 import java.util.HashSet; 40 import java.util.Set; 41 42 import javax.inject.Inject; 43 44 import com.vaadin.v7.data.Item; 45 import com.vaadin.v7.data.Property; 46 import com.vaadin.v7.data.util.ObjectProperty; 47 48 /** 49 * {@link info.magnolia.ui.form.field.transformer.Transformer Transformer} implementation used for {@link info.magnolia.security.app.dialog.field.RoleManagementFieldFactory} and {@link info.magnolia.security.app.dialog.field.GroupManagementFieldFactory}. 50 * 51 * @param <T> 52 */ 53 public class ManagementFieldTransformer<T> extends BasicTransformer<T> { 54 private Set<String> assignedEntity; 55 private String entityName; 56 57 @Inject 58 public ManagementFieldTransformer(Item parent, ConfiguredFieldDefinition definition, Class<?> type, Set<String> assignedEntity, String entityName) { 59 super(parent, definition, (Class<T>) type); 60 this.assignedEntity = assignedEntity; 61 this.entityName = entityName; 62 } 63 64 65 /** 66 * Do nothing yet. 67 * Save is currently handled by an embedded logic. 68 */ 69 @Override 70 public void writeToItem(T newValue) { 71 if (newValue == null) { 72 newValue = (T) new HashSet(); 73 } 74 super.writeToItem(newValue); 75 } 76 77 @Override 78 public T readFromItem() { 79 Property<Set> prop = new ObjectProperty<>(this.assignedEntity, Set.class); 80 relatedFormItem.addItemProperty(this.entityName, prop); 81 return (T) prop.getValue(); 82 } 83 84 }