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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.workbench.tree.drop;
35  
36  import info.magnolia.annotation.deprecation.MgnlDeprecated;
37  import info.magnolia.objectfactory.ComponentProvider;
38  import info.magnolia.ui.contentapp.browser.drop.DropConstraint;
39  import info.magnolia.ui.vaadin.integration.contentconnector.ConfiguredJcrContentConnectorDefinition;
40  import info.magnolia.ui.vaadin.integration.contentconnector.JcrContentConnector;
41  import info.magnolia.ui.vaadin.integration.jcr.JcrItemAdapter;
42  import info.magnolia.ui.vaadin.integration.jcr.JcrNodeAdapter;
43  import info.magnolia.ui.vaadin.integration.jcr.JcrPropertyAdapter;
44  import info.magnolia.ui.workbench.tree.MoveLocation;
45  
46  import javax.inject.Inject;
47  import javax.jcr.Item;
48  import javax.jcr.Node;
49  import javax.jcr.Property;
50  
51  import com.vaadin.shared.ui.grid.DropLocation;
52  
53  /**
54   * Common JCR DropConstraint implementation which takes a simple primary node-type and disallows nesting for it.
55   *
56   * @deprecated since 6.0.
57   */
58  @Deprecated
59  @MgnlDeprecated(since = "6.0")
60  public class CompatibilityDropConstraint implements DropConstraint<Item> {
61  
62      private Class<info.magnolia.ui.workbench.tree.drop.DropConstraint> deprecatedDropConstraintClass;
63  
64      private final ComponentProvider componentProvider;
65  
66      @Inject
67      public CompatibilityDropConstraint(ComponentProvider componentProvider) {
68          this.componentProvider = componentProvider;
69      }
70  
71      @Override
72      public boolean isAllowedAt(Item item, Item target, DropLocation dropLocation) {
73          info.magnolia.ui.workbench.tree.drop.DropConstraint deprecatedDropConstraint = componentProvider.newInstance(deprecatedDropConstraintClass, new JcrContentConnector(null, new ConfiguredJcrContentConnectorDefinition()));
74          return deprecatedDropConstraint.isAllowedAt(convert(item), convert(target), convert(dropLocation));
75      }
76  
77      private JcrItemAdapter convert(Item item) {
78          return item.isNode() ? new JcrNodeAdapter((Node) item) : new JcrPropertyAdapter((Property) item);
79      }
80  
81      private MoveLocation convert(DropLocation dropLocation) {
82          switch (dropLocation) {
83          case ABOVE:
84              return MoveLocation.BEFORE;
85          case BELOW:
86              return MoveLocation.AFTER;
87          case ON_TOP:
88              return MoveLocation.INSIDE;
89          }
90          return null;
91      }
92  
93      public Class<info.magnolia.ui.workbench.tree.drop.DropConstraint> getDeprecatedDropConstraintClass() {
94          return deprecatedDropConstraintClass;
95      }
96  
97      public void setDeprecatedDropConstraintClass(Class<info.magnolia.ui.workbench.tree.drop.DropConstraint> deprecatedDropConstraintClass) {
98          this.deprecatedDropConstraintClass = deprecatedDropConstraintClass;
99      }
100 }