/**
    * This file Copyright (c) 2014-2017 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.module.cache.app.field;
  
  import info.magnolia.repository.RepositoryManager;
  import info.magnolia.ui.form.field.definition.SelectFieldOptionDefinition;
  import info.magnolia.ui.form.field.factory.SelectFieldFactory;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.inject.Inject;
  
  import com.vaadin.v7.data.Item;
  import com.vaadin.v7.data.Property;
  
  /**
   * Factory that constructs select field with workspace names as options.
   */
  public class WorkspaceSelectFieldFactory extends SelectFieldFactory<WorkspaceSelectFieldDefinition> {
  
      private final RepositoryManager repositoryManager;
  
      @Inject
      public WorkspaceSelectFieldFactory(WorkspaceSelectFieldDefinition definition, Item relatedFieldItem, RepositoryManager repositoryManager) {
          super(definition, relatedFieldItem);
          this.repositoryManager = repositoryManager;
      }
  
      @Override
      public List<SelectFieldOptionDefinition> getSelectFieldOptionDefinition() {
          List<SelectFieldOptionDefinition> result = new ArrayList<SelectFieldOptionDefinition>();
          for (String workspaceName : repositoryManager.getWorkspaceNames()) {
              SelectFieldOptionDefinition selectFieldOptionDefinition = new SelectFieldOptionDefinition();
              selectFieldOptionDefinition.setLabel(workspaceName);
              selectFieldOptionDefinition.setValue(workspaceName);
              selectFieldOptionDefinition.setName(workspaceName);
              result.add(selectFieldOptionDefinition);
          }
          return result;
      }
  
      @Override
      protected Object createDefaultValue(Property dataSource) {
          Object value = super.createDefaultValue(dataSource);
          if (value != null) {
              return value;
          }
          if (repositoryManager.getWorkspaceNames().size() > 0) {
              return repositoryManager.getWorkspaceNames().iterator().next();
          }
          return null;
      }
  }