/**
    * 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.actionbar.ActionbarView;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.dialog.actionarea.ActionListener;
  import info.magnolia.ui.mediaeditor.MediaEditorEventBus;
  import info.magnolia.ui.mediaeditor.MediaEditorView;
  import info.magnolia.ui.mediaeditor.data.EditHistoryTrackingProperty;
  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 info.magnolia.ui.vaadin.gwt.client.actionbar.shared.ActionbarItem;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.inject.Named;
  
  import com.vaadin.ui.Component;
  import com.vaadin.v7.ui.Label;
  
  /**
   * Simply displays an image with dialog actions to
   * submit or revert previous modifications. Also updates the undo/redo actions.
   */
  public class ViewImageAction extends MediaEditorUIAction {
  
      private ViewImageField viewField = new ViewImageField();
  
      private ImageSizeLabel imageSizeLabel;
  
      private final SimpleTranslator i18n;
  
      public ViewImageAction(MediaEditorActionDefinition definition, MediaEditorView view, @Named(MediaEditorEventBus.NAME) EventBus eventBus,
              EditHistoryTrackingProperty dataSource, SimpleTranslator i18n) {
          super(definition, view, dataSource, 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), new ActionListener() {
              @Override
              public void onActionFired(String actionName, Object... actionContextParams) {
                  eventBus.fireEvent(new MediaEditorInternalEvent(EventType.SUBMIT));
              }
          }));
  
          result.add(new ActionContext(new InternalMediaEditorActionDefinition("cancel", i18n.translate("ui-mediaeditor.internalAction.cancel.label"), true), new ActionListener() {
              @Override
              public void onActionFired(String actionName, Object... actionContextParams) {
                  eventBus.fireEvent(new MediaEditorInternalEvent(EventType.CANCEL_ALL));
              }
          }));
          return result;
      }
  
      @Override
      public void execute() throws ActionExecutionException {
         ActionbarView actionbar = view.getActionbar();
         actionbar.removeAction("undo");
         actionbar.removeAction("redo");
 
         String undoLabel = i18n.translate("ui-mediaeditor.action.undo.label")+" " + (dataSource.getLastDoneActionName() != null ? dataSource.getLastDoneActionName() : "");
         String redoLabel = i18n.translate("ui-mediaeditor.action.redo.label")+" " + (dataSource.getLastUnDoneActionName() != null ? dataSource.getLastUnDoneActionName() : "");
 
         ActionbarItem undo = new ActionbarItem("undo", undoLabel, "icon-undo", "track");
         ActionbarItem redo = new ActionbarItem("redo", redoLabel, "icon-redo", "track");
 
         actionbar.addAction(undo, "operations");
         actionbar.addAction(redo, "operations");
 
         actionbar.setActionEnabled("undo", dataSource.getLastDoneActionName() != null);
         actionbar.setActionEnabled("redo", dataSource.getLastUnDoneActionName() != null);
         view.getDialog().asVaadinComponent().removeStyleName("active-footer");
         super.execute();
 
     }
 
     @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()));
         }
     }
 }