/**
    * 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.mediaeditor.action;
  
  import info.magnolia.event.EventBus;
  import info.magnolia.i18nsystem.SimpleTranslator;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.ValueContext;
  import info.magnolia.ui.mediaeditor.MediaEditorEventBus;
  import info.magnolia.ui.mediaeditor.MediaEditorView;
  import info.magnolia.ui.mediaeditor.data.MediaState;
  import info.magnolia.ui.mediaeditor.event.MediaEditorInternalEvent;
  import info.magnolia.ui.mediaeditor.event.MediaEditorInternalEvent.EventType;
  import info.magnolia.ui.mediaeditor.field.MediaField;
  import info.magnolia.ui.mediaeditor.field.image.ViewImageField;
  import info.magnolia.ui.mediaeditor.provider.MediaEditorActionDefinition;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.inject.Named;
  
  import com.google.common.collect.Sets;
  import com.vaadin.ui.Component;
  import com.vaadin.ui.Label;
  
  /**
   * Simply displays an image with dialog actions to
   * submit or revertState previous modifications. Also updates the undoLastState/redoLastState actions.
   */
  public class ViewImageAction extends MediaEditorUIAction {
  
      private ViewImageFieldmage/ViewImageField.html#ViewImageField">ViewImageField viewField = new ViewImageField();
  
      private ImageSizeLabel imageSizeLabel;
  
      private final SimpleTranslator i18n;
  
      public ViewImageAction(MediaEditorActionDefinition definition,
                             MediaEditorView view, @Named(MediaEditorEventBus.NAME) EventBus eventBus,
                             ValueContext<MediaState> valueContext,
                             SimpleTranslator i18n) {
          super(definition, view, valueContext, eventBus);
          this.i18n = i18n;
          imageSizeLabel = new ImageSizeLabel(i18n);
          viewField.addImageResizeListener(imageSizeLabel);
      }
  
      @Override
      protected List<ActionContext> getActionContextList() {
          List<ActionContext> result = new ArrayList<ActionContext>();
          result.add(new ActionContext(new InternalMediaEditorActionDefinition("save", i18n.translate("ui-mediaeditor.internalAction.save.label"), false), (actionName, actionContextParams) -> eventBus.fireEvent(new MediaEditorInternalEvent(EventType.SUBMIT))));
          result.add(new ActionContext(new InternalMediaEditorActionDefinition("cancel", i18n.translate("ui-mediaeditor.internalAction.cancel.label"), true), (actionName, actionContextParams) -> eventBus.fireEvent(new MediaEditorInternalEvent(EventType.CANCEL_ALL))));
          return result;
      }
  
      @Override
      public void execute() throws ActionExecutionException {
          super.execute();
          valueContext.current().update((editHistoryTrackingProperties) -> {
              Sets.newHashSet(valueContext.getSingleOrThrow());
          });
      }
  
      @Override
      protected Component getStatusControls() {
          return imageSizeLabel;
      }
 
     @Override
     protected MediaField createMediaField() {
         return viewField;
     }
 
     /**
      * ImageSizeLabel.
      */
     public static class ImageSizeLabel extends Label implements ViewImageField.ImageSizeChangeListener {
 
         private final SimpleTranslator i18n;
 
         public ImageSizeLabel(SimpleTranslator i18n) {
             this.i18n = i18n;
         }
 
         @Override
         public void onSizeChanged(ViewImageField.ImageResizeEvent e) {
             setValue(String.format(i18n.translate("ui-mediaeditor.view.actualSize.display"), e.getWidth(), e.getHeight()));
         }
     }
 }