/**
    * 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.ui.workbench.list;
  
  import static java.util.stream.Collectors.toList;
  
  import info.magnolia.event.EventBus;
  import info.magnolia.objectfactory.ComponentProvider;
  import info.magnolia.ui.vaadin.integration.contentconnector.ContentConnector;
  import info.magnolia.ui.vaadin.integration.contentconnector.JcrContentConnector;
  import info.magnolia.ui.workbench.AbstractContentPresenter;
  import info.magnolia.ui.workbench.column.definition.ColumnDefinition;
  import info.magnolia.ui.workbench.container.AbstractJcrContainer;
  import info.magnolia.ui.workbench.container.Refreshable;
  import info.magnolia.ui.workbench.definition.ContentPresenterDefinition;
  import info.magnolia.ui.workbench.definition.WorkbenchDefinition;
  
  import java.util.Iterator;
  import java.util.List;
  
  import javax.inject.Inject;
  
  import com.vaadin.v7.data.Container;
  
  /**
   * The ListPresenter is responsible for creating, configuring and updating a list of items according to the workbench definition.
   */
  public class ListPresenter extends AbstractContentPresenter implements ListView.Listener {
  
      protected final ListView view;
  
      @Inject
      public ListPresenter(final ListView view, final ComponentProvider componentProvider) {
          super(componentProvider);
          this.view = view;
      }
  
      @Override
      public ListView start(WorkbenchDefinition workbenchDefinition, EventBus eventBus, String viewTypeName, ContentConnector contentConnector) {
          super.start(workbenchDefinition, eventBus, viewTypeName, contentConnector);
          this.container = initializeContainer();
          view.setListener(this);
          view.setContainer(container);
          view.clearColumns();
  
          // build columns
          Iterator<ColumnDefinition> it = getColumnsIterator();
  
          while (it.hasNext()) {
              ColumnDefinition column = it.next();
  
              if (workbenchDefinition.isDialogWorkbench() && !column.isDisplayInChooseDialog()) {
                  continue;
              }
  
              String propertyId = column.getPropertyName();
              String title = column.getLabel();
  
              if (column.getWidth() > 0) {
                  view.addColumn(propertyId, title, column.getWidth());
              } else if (column.getExpandRatio() > 0) {
                  view.addColumn(propertyId, title, column.getExpandRatio());
              } else {
                  view.addColumn(propertyId, column.getLabel());
              }
  
              if (column.getFormatterClass() != null) {
                  view.setColumnFormatter(propertyId, getComponentProvider().newInstance(column.getFormatterClass(), column));
             }
         }
 
         return view;
     }
 
     @Override
     public void select(List<Object> itemIds) {
         List<Object> itemIdsExcludingDefault = itemIds.stream()
                 .filter(itemId -> !itemId.equals(contentConnector.getDefaultItemId()))
                 .collect(toList());
         view.select(itemIdsExcludingDefault);
     }
 
     @Override
     public void refresh() {
         super.refresh();
         // This will update the row count and display the newly created items.
         if (container instanceof Refreshable) {
             ((Refreshable) container).refresh();
         }
     }
 
     @Override
     protected Container initializeContainer() {
         Container container = createContainer();
         configureContainer(getPresenterDefinition(), container);
         return container;
     }
 
     protected Container createContainer() {
         return new FlatJcrContainer(((JcrContentConnector) contentConnector).getContentConnectorDefinition());
     }
 
     protected void configureContainer(ContentPresenterDefinition presenterDefinition, Container container) {
         for (ColumnDefinition column : presenterDefinition.getColumns()) {
             String propertyId = column.getPropertyName();
             container.addContainerProperty(propertyId, column.getType(), null);
             // TODO Rely on Container.Sortable instead.
             // Containers thus need to be created with their propertyIds and sortablePropertyIds (Container.Sortable only exposes #getSortableContainerPropertyIds())
             if (container instanceof AbstractJcrContainer) {
                 ((AbstractJcrContainer) container).addSortableProperty(propertyId);
             }
         }
     }
 }