/**
    * This file Copyright (c) 2012-2015 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.dialog.formdialog;
  
  import info.magnolia.i18nsystem.I18nizer;
  import info.magnolia.i18nsystem.SimpleTranslator;
  import info.magnolia.objectfactory.ComponentProvider;
  import info.magnolia.registry.RegistrationException;
  import info.magnolia.ui.api.action.ActionDefinition;
  import info.magnolia.ui.api.context.UiContext;
  import info.magnolia.ui.api.overlay.OverlayCloser;
  import info.magnolia.ui.dialog.BaseDialogPresenter;
  import info.magnolia.ui.dialog.Dialog;
  import info.magnolia.ui.dialog.DialogCloseHandler;
  import info.magnolia.ui.dialog.DialogView;
  import info.magnolia.ui.dialog.actionarea.DialogActionExecutor;
  import info.magnolia.ui.dialog.definition.FormDialogDefinition;
  import info.magnolia.ui.dialog.registry.DialogDefinitionRegistry;
  import info.magnolia.ui.form.EditorCallback;
  import info.magnolia.ui.form.EditorValidator;
  import info.magnolia.ui.vaadin.integration.jcr.JcrItemAdapter;
  
  import java.util.LinkedList;
  import java.util.List;
  
  import javax.inject.Inject;
  
  import org.apache.commons.lang.StringUtils;
  
  import com.vaadin.data.Item;
  
  /**
   * Presenter for forms opened inside dialogs.
   */
  public class FormDialogPresenterImpl extends BaseDialogPresenter implements FormDialogPresenter, EditorValidator {
  
      private EditorCallback callback;
  
      private DialogDefinitionRegistry dialogDefinitionRegistry;
  
      private FormBuilder formBuilder;
  
      private FormView formView;
  
      private Item item;
  
      @Inject
      public FormDialogPresenterImpl(final DialogDefinitionRegistry dialogDefinitionRegistry, FormBuilder formBuilder, ComponentProvider componentProvider, DialogActionExecutor executor, FormView view, I18nizer i18nizer, SimpleTranslator i18n) {
          super(componentProvider, executor, view, i18nizer, i18n);
          this.dialogDefinitionRegistry = dialogDefinitionRegistry;
          this.formBuilder = formBuilder;
          this.componentProvider = componentProvider;
          this.formView = view;
      }
  
      @Override
      public DialogView start(final Item item, String dialogId, final UiContext uiContext, EditorCallback callback) {
          try {
              FormDialogDefinition dialogDefinition = dialogDefinitionRegistry.getDialogDefinition(dialogId);
              return start(item, dialogDefinition, uiContext, callback);
          } catch (RegistrationException e) {
              throw new RuntimeException("No dialogDefinition found for " + dialogId, e);
          }
      }
  
      /**
       * Returns a {@link DialogView} containing {@link FormView} as content.
       * <ul>
      * <li>Sets the created {@link FormView} as content of the created {@link DialogView}.</li>
      * </ul>
      *
      * @param item passed on to{@link info.magnolia.ui.dialog.formdialog.FormDialogPresenter}
      * @param dialogDefinition
      * @param uiContext
      */
     @Override
     public DialogView start(final Item item, FormDialogDefinition dialogDefinition, final UiContext uiContext, EditorCallback callback) {
         start(dialogDefinition, uiContext);
         this.callback = callback;
         this.item = item;
 
         getExecutor().setDialogDefinition(getDefinition());
 
         buildView((FormDialogDefinition) getDefinition());
 
         final OverlayCloser overlayCloser = uiContext.openOverlay(getView());
         getView().addDialogCloseHandler(new DialogCloseHandler() {
             @Override
             public void onDialogClose(DialogView dialogView) {
                 overlayCloser.close();
             }
         });
         getView().setClosable(true);
         return getView();
     }
 
     private void buildView(FormDialogDefinition dialogDefinition) {
         final Dialog dialog = new Dialog(dialogDefinition);
 
         formBuilder.buildForm(getView(), dialogDefinition.getForm(), item, dialog);
 
         final String description = dialogDefinition.getDescription();
         final String label = dialogDefinition.getLabel();
 
         if (StringUtils.isNotBlank(description) && !isMessageKey(description)) {
             getView().setDescription(description);
         }
 
         if (StringUtils.isNotBlank(label) && !isMessageKey(label)) {
             getView().setCaption(label);
         }
     }
 
     @Override
     public FormView getView() {
         return formView;
     }
 
     @Override
     public void showValidation(boolean visible) {
         getView().showValidation(visible);
     }
 
     @Override
     public boolean isValid() {
         return getView().isValid();
     }
 
     @Override
     protected DialogActionExecutor getExecutor() {
         return (DialogActionExecutor) super.getExecutor();
     }
 
     @Override
     protected Iterable<ActionDefinition> filterActions() {
         List<ActionDefinition> result = new LinkedList<ActionDefinition>();
         boolean isJcrItemAdapter = (item instanceof JcrItemAdapter);
         for (ActionDefinition action : getDefinition().getActions().values()) {
             if (!isJcrItemAdapter || getExecutor().isAvailable(action.getName(), ((JcrItemAdapter) item).getJcrItem())) {
                 result.add(action);
             }
         }
         return result;
     }
 
     @Override
     protected Object[] getActionParameters(String actionName) {
         return new Object[] { this, item, callback };
     }
 
     /**
      * @deprecated is a hack and should not be used. See MGNLUI-2207.
      */
     private boolean isMessageKey(final String text) {
         return !text.contains(" ") && text.contains(".") && !text.endsWith(".");
     }
 
 }