/**
    * This file Copyright (c) 2013-2018 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.pages.app.detail.action;
  
  import info.magnolia.config.registry.DefinitionProvider;
  import info.magnolia.context.Context;
  import info.magnolia.i18nsystem.I18nizer;
  import info.magnolia.pages.app.detail.PageEditorStatus;
  import info.magnolia.ui.api.i18n.I18NAuthoringSupport;
  import info.magnolia.ui.dialog.DialogDefinition;
  import info.magnolia.ui.dialog.DialogDefinitionRegistry;
  import info.magnolia.ui.dialog.actions.OpenDialogAction;
  import info.magnolia.ui.editor.LocaleContext;
  import info.magnolia.ui.form.definition.DefinitionConverter;
  import info.magnolia.ui.UIComponent;
  import info.magnolia.ui.ValueContext;
  import info.magnolia.ui.vaadin.gwt.client.shared.AbstractElement;
  
  import java.util.Optional;
  
  import javax.inject.Inject;
  import javax.jcr.Node;
  
  /**
   * Opens a dialog for editing a {@link info.magnolia.ui.vaadin.gwt.client.shared.AbstractElement}. Reads the dialog-name from {@link info.magnolia.ui.vaadin.gwt.client.shared.AbstractElement#getDialog()}
   * which is extracted from the 'cms-comment' on client-side.
   */
  public class EditElementAction extends OpenDialogAction<Node> {
  
      private final PageEditorStatus pageEditorStatus;
  
      @Inject
      public EditElementAction(EditElementActionDefinition definition, UIComponent parentView, LocaleContext localeContext,
                               I18NAuthoringSupport i18NAuthoringSupport, DialogDefinitionRegistry dialogDefinitionRegistry,
                               I18nizer i18nizer,
                               Context context,
                               ValueContext<Node> valueContext,
                               PageEditorStatus pageEditorStatus) {
          super(definition, localeContext, valueContext, parentView, i18NAuthoringSupport, dialogDefinitionRegistry, i18nizer);
          this.pageEditorStatus = pageEditorStatus;
      }
  
      @Override
      protected DialogDefinition getDialogDefinition(DialogDefinitionRegistry dialogDefinitionRegistry, I18nizer i18nizer) {
  
          Optional<DialogDefinition> dialogDefinition = Optional.of(pageEditorStatus)
                  .map(PageEditorStatus::getSelectedElement)
                  .map(AbstractElement::getDialog)
                  .map(dialogDefinitionRegistry::getProvider)
                  .map(DefinitionProvider::get)
                  .map(i18nizer::decorate);
  
          return dialogDefinition
                  .filter(info.magnolia.ui.dialog.definition.FormDialogDefinition.class::isInstance)
                  .map(info.magnolia.ui.dialog.definition.FormDialogDefinition.class::cast)
                  .map(DefinitionConverter.DIALOG::convert)
                  .orElse(dialogDefinition.orElse(null));
      }
  
      PageEditorStatus getPageEditorStatus() {
          return pageEditorStatus;
      }
  }