/**
    * This file Copyright (c) 2016-2018 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.contentapp.action.clipboard;
  
  import info.magnolia.i18nsystem.SimpleTranslator;
  import info.magnolia.ui.api.action.AbstractAction;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.ValueContext;
  import info.magnolia.ui.framework.ContentClipboard;
  import info.magnolia.ui.framework.ContentClipboardException;
  
  import java.util.HashSet;
  import java.util.List;
  import java.util.Objects;
  
  import javax.inject.Inject;
  
  import com.vaadin.ui.Notification;
  
  /**
   * Action for pasting items from clipboard into another given item.
   * @param <T> item type
   */
  public class PasteContentAction<T> extends AbstractAction<PasteContentActionDefinition> {
  
      private final ContentClipboard<T> contentClipboard;
      private final ValueContext<T> valueContext;
      private final SimpleTranslator simpleTranslator;
  
      @Inject
      public PasteContentAction(PasteContentActionDefinition definition, ValueContext<T> valueContext, ContentClipboard<T> contentClipboard, SimpleTranslator simpleTranslator) {
          super(definition);
          this.contentClipboard = contentClipboard;
          this.valueContext = valueContext;
          this.simpleTranslator = simpleTranslator;
      }
  
      @Override
      public void execute() throws ActionExecutionException {
          try {
              List<T> pastedItems = valueContext.getSingle()
                      .map(contentClipboard::paste)
                      .orElseGet(contentClipboard::pasteToRoot);
  
              Notification.show(simpleTranslator.translate("ui-framework.actions.pasteItem.success", pastedItems.size(), valueContext.getSingle().map(Objects::toString).orElse("/")), Notification.Type.HUMANIZED_MESSAGE);
              valueContext.set(new HashSet<>(pastedItems));
          } catch (ContentClipboardException e) {
              throw new ActionExecutionException(simpleTranslator.translate("ui-framework.actions.pasteItem.failure"), e);
          }
      }
  }