1 /** 2 * This file Copyright (c) 2017-2018 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.workbench.tree.drop; 35 36 import info.magnolia.jcr.util.NodeUtil; 37 import info.magnolia.ui.vaadin.integration.contentconnector.ContentConnector; 38 39 import javax.inject.Inject; 40 import javax.jcr.Item; 41 import javax.jcr.Node; 42 import javax.jcr.RepositoryException; 43 44 import org.apache.commons.lang3.StringUtils; 45 import org.slf4j.Logger; 46 import org.slf4j.LoggerFactory; 47 48 /** 49 * Common JCR DropConstraint implementation which takes a simple primary node-type and disallows nesting for it. 50 * 51 * @deprecated since 6.0. Use new framework and {@link info.magnolia.ui.contentapp.drop.JcrDropConstraint#} instead. 52 */ 53 @Deprecated 54 public class JcrContentDropConstraint extends JcrDropConstraint { 55 56 private static final Logger log = LoggerFactory.getLogger(JcrContentDropConstraint.class); 57 58 private final String nodeType; 59 60 @Inject 61 public JcrContentDropConstraint(ContentConnector contentConnector, String nodeType) { 62 super(contentConnector); 63 this.nodeType = nodeType; 64 } 65 66 /** 67 * Backward compatibility constructor. 68 * 69 * @deprecated since 5.5.5, use {@link JcrContentDropConstraint#JcrContentDropConstraint(ContentConnector, String)} instead. 70 */ 71 @Deprecated 72 public JcrContentDropConstraint() { 73 this(null); 74 } 75 76 /** 77 * Backward compatibility constructor. 78 * 79 * @deprecated since 5.5.5, use {@link JcrContentDropConstraint#JcrContentDropConstraint(ContentConnector, String)} instead. 80 */ 81 @Deprecated 82 public JcrContentDropConstraint(String nodeType) { 83 this(null, nodeType); 84 } 85 86 @Override 87 protected boolean allowedAsChild(Item source, Item target) { 88 boolean movable = super.allowedAsChild(source, target) && source.isNode(); 89 if (movable) { 90 try { 91 Node sourceNode = (Node) source; 92 Node targetNode = (Node) target; 93 // If both nodes are of specific nodeType, return false. 94 if (StringUtils.isNotBlank(nodeType) && NodeUtil.isNodeType(sourceNode, nodeType) && NodeUtil.isNodeType(targetNode, nodeType)) { 95 log.debug("Could not move a node type '{}' under a node type '{}'", sourceNode.getPrimaryNodeType().getName(), nodeType); 96 return false; 97 } 98 } catch (RepositoryException e) { 99 log.warn("Could not check if child is allowed. ", e); 100 } 101 } 102 103 return movable; 104 } 105 }