/**
    * This file Copyright (c) 2019 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.ui.field;
  
  
  import info.magnolia.icons.MagnoliaIcons;
  import info.magnolia.ui.contentapp.JcrDataProvider;
  import info.magnolia.ui.contentapp.JcrItemDescriber;
  import info.magnolia.ui.datasource.jcr.JcrDatasource;
  import info.magnolia.ui.datasource.jcr.JcrDatasourceDefinition;
  import info.magnolia.ui.editor.converter.JcrNodeToIdentifierConverter;
  
  import java.util.Collections;
  
  import javax.inject.Inject;
  import javax.jcr.Node;
  
  import com.vaadin.data.Converter;
  import com.vaadin.data.provider.DataProvider;
  import com.vaadin.ui.IconGenerator;
  import com.vaadin.ui.ItemCaptionGenerator;
  
  /**
   * {@link SelectFieldSupport} implementation for the JCR node based datasources.
   */
  public class JcrSelectFieldSupport implements SelectFieldSupport<Node> {
  
      private final JcrDatasourceDefinition datasourceDefinition;
      private final JcrDatasource datasource;
      private final JcrItemDescriber jcrItemDescriber;
  
      @Inject
      public JcrSelectFieldSupport(JcrDatasourceDefinition datasourceDefinition, JcrDatasource datasource) {
          this.datasourceDefinition = datasourceDefinition;
          this.datasource = datasource;
          this.jcrItemDescriber = new JcrItemDescriber(datasourceDefinition);
      }
  
      @Override
      public DataProvider<Node, ?> getDataProvider() {
          return new JcrDataProvider(datasourceDefinition, datasource);
      }
  
      @Override
      public ItemCaptionGenerator<Node> getItemCaptionGenerator() {
          return item -> jcrItemDescriber.apply(Collections.singleton(item));
      }
  
      @Override
      public IconGenerator<Node> getIconGenerator() {
          return node -> node.isNode() ? MagnoliaIcons.NODE_CONTENT : MagnoliaIcons.NODE_DATA;
      }
  
      @Override
      public Converter<Node, String> defaultConverter() {
          return new JcrNodeToIdentifierConverter(datasource);
      }
  }