/**
    * This file Copyright (c) 2012-2018 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.framework.action;
  
  import info.magnolia.event.EventBus;
  import info.magnolia.i18nsystem.SimpleTranslator;
  import info.magnolia.ui.api.action.AbstractAction;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.api.context.UiContext;
  import info.magnolia.ui.api.event.AdmincentralEventBus;
  import info.magnolia.ui.api.event.ContentChangedEvent;
  import info.magnolia.ui.dialog.DialogPresenter;
  import info.magnolia.ui.dialog.callback.DefaultEditorCallback;
  import info.magnolia.ui.dialog.formdialog.FormDialogPresenter;
  import info.magnolia.ui.dialog.formdialog.FormDialogPresenterFactory;
  import info.magnolia.ui.form.EditorCallback;
  import info.magnolia.ui.vaadin.integration.contentconnector.ContentConnector;
  import info.magnolia.ui.vaadin.integration.contentconnector.SupportsCreation;
  import info.magnolia.ui.vaadin.overlay.MessageStyleTypeEnum;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  
  import org.apache.commons.lang3.StringUtils;
  
  import com.vaadin.v7.data.Item;
  
  /**
   * Opens a dialog for creating a new node in a tree.
   *
   * @see OpenCreateDialogActionDefinition
   */
  public class OpenCreateDialogAction extends AbstractAction<OpenCreateDialogActionDefinition> {
  
      private final Item parentItem;
      private final FormDialogPresenterFactory formDialogPresenterFactory;
      private final UiContext uiContext;
      private final EventBus eventBus;
      private ContentConnector contentConnector;
      private final SimpleTranslator i18n;
  
      @Inject
      public OpenCreateDialogAction(OpenCreateDialogActionDefinition definition, Item parentItem, FormDialogPresenterFactory formDialogPresenterFactory, UiContext uiContext, @Named(AdmincentralEventBus.NAME) final EventBus eventBus, ContentConnector contentConnector, SimpleTranslator i18n) {
          super(definition);
          this.parentItem = parentItem;
          this.formDialogPresenterFactory = formDialogPresenterFactory;
          this.uiContext = uiContext;
          this.eventBus = eventBus;
          this.contentConnector = contentConnector;
          this.i18n = i18n;
      }
  
      @Override
      public void execute() throws ActionExecutionException {
  
          Object parentId = contentConnector.getItemId(parentItem);
  
          if (contentConnector instanceof SupportsCreation) {
              final Object itemId = ((SupportsCreation) contentConnector).getNewItemId(parentId, getDefinition().getNodeType());
  
              final String dialogName = getDefinition().getDialogName();
              if (StringUtils.isBlank(dialogName)) {
                  uiContext.openNotification(MessageStyleTypeEnum.ERROR, false, i18n.translate("ui-framework.actions.no.dialog.definition", getDefinition().getName()));
                  return;
  
              }
  
              final FormDialogPresenter formDialogPresenter = formDialogPresenterFactory.createFormDialogPresenter(dialogName);
 
             if (formDialogPresenter == null) {
                 uiContext.openNotification(MessageStyleTypeEnum.ERROR, false, i18n.translate("ui-framework.actions.dialog.not.registered", dialogName));
                 return;
             }
 
             final Item item = contentConnector.getItem(itemId);
             formDialogPresenter.start(item, getDefinition().getDialogName(), uiContext, createEditorCallback(formDialogPresenter, item, eventBus));
         }
     }
 
     protected EditorCallback createEditorCallback(final DialogPresenter dialogPresenter, final Item item, final EventBus eventBus) {
         return new DefaultEditorCallback(dialogPresenter) {
             @Override
             public void onSuccess(String actionName) {
                 eventBus.fireEvent(new ContentChangedEvent(contentConnector.getItemId(item), true));
                 super.onSuccess(actionName);
             }
         };
     }
 
     protected ContentConnector getContentConnector() {
         return contentConnector;
     }
 }