EDIT

/**

* Copyright (C) 2017 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.vaadin.view.reference;

import java.util.Arrays;

import java.util.List;

import org.apache.log4j.Logger;

import org.springframework.context.event.EventListener;

import org.springframework.transaction.TransactionStatus;

import com.vaadin.data.Item;

import com.vaadin.data.util.BeanItemContainer;

import com.vaadin.ui.ListSelect;

import eu.etaxonomy.cdm.model.reference.Reference;

import eu.etaxonomy.cdm.model.reference.ReferenceFactory;

import eu.etaxonomy.cdm.persistence.query.OrderHint;

import eu.etaxonomy.cdm.vaadin.event.ReferenceEditorAction;

import eu.etaxonomy.vaadin.component.ToOneRelatedEntityField;

import eu.etaxonomy.vaadin.mvp.AbstractCdmEditorPresenter;

import eu.etaxonomy.vaadin.ui.view.DoneWithPopupEvent;

import eu.etaxonomy.vaadin.ui.view.DoneWithPopupEvent.Reason;

/**

 * @author a.kohlbecker

 * @since Apr 5, 2017

 *

 */

public class ReferenceEditorPresenter extends AbstractCdmEditorPresenter<Reference, ReferencePopupEditorView> {

    private static final long serialVersionUID = -7926116447719010837L;

    private static final Logger logger = Logger.getLogger(ReferenceEditorPresenter.class);

    ReferencePopupEditor inReferencePopup = null;

    public ReferenceEditorPresenter() {

        logger.trace("CONTRUCTOR");

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void handleViewEntered() {

        super.handleViewEntered();

        ListSelect select = getView().getInReferenceSelect().getSelect();

        BeanItemContainer<Reference> inReferenceSelectContainer = (BeanItemContainer<Reference>) select.getContainerDataSource();

        List<Reference> references = getRepo().getCommonService().list(Reference.class, (Integer)null, (Integer)null,

                OrderHint.ORDER_BY_TITLE_CACHE.asList(),

                Arrays.asList(new String[]{"$"}));

        inReferenceSelectContainer.addAll(references);

        select.setItemCaptionPropertyId("titleCache");

        select.markAsDirty();

    }

    /**

    *

    * @param editorAction

    */

   @EventListener(condition = "#editorAction.source != null")

   public void onReferenceEditorAction(ReferenceEditorAction editorAction){

       if(ToOneRelatedEntityField.class.isAssignableFrom(editorAction.getSource().getClass())){

           if(editorAction.isAddAction()){

               Reference reference = ReferenceFactory.newGeneric();

               getView().getTypeSelect().getValue();

               inReferencePopup = getNavigationManager().showInPopup(ReferencePopupEditor.class);

               inReferencePopup.showInEditor(reference);

           }

           if(editorAction.isEditAction()){

               TransactionStatus tx = getRepo().startTransaction(false);

               Reference reference = getRepo().getReferenceService().find(editorAction.getEntityId());

               ReferencePopupEditor popup = getNavigationManager().showInPopup(ReferencePopupEditor.class);

               popup.showInEditor(reference);

               getRepo().commitTransaction(tx);

           }

       }

   }

   @EventListener

   public void doDoneWithPopupEvent(DoneWithPopupEvent event){

       if(event.getPopup().equals(inReferencePopup)){

           if(event.getReason().equals(Reason.SAVE)){

               Reference bean = inReferencePopup.getBean();

               // TODO update items from db instead of just adding the new item

               Item selectItem = getView().getInReferenceSelect().getSelect().addItem(bean);

               getView().getInReferenceSelect().getSelect().select(selectItem);

               getView().getInReferenceSelect().getSelect().markAsDirty();

           }

           inReferencePopup = null;

       }

   }

}