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.occurrence;

import java.util.Arrays;

import java.util.List;

import org.springframework.context.annotation.Scope;

import org.vaadin.spring.events.annotation.EventBusListenerMethod;

import com.vaadin.spring.annotation.SpringComponent;

import eu.etaxonomy.cdm.api.service.IService;

import eu.etaxonomy.cdm.model.occurrence.Collection;

import eu.etaxonomy.cdm.service.CdmFilterablePagingProvider;

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

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

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

import eu.etaxonomy.cdm.vaadin.security.UserHelper;

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 Dec 21, 2017

 *

 */

@SpringComponent

@Scope("prototype")

public class CollectionEditorPresenter extends AbstractCdmEditorPresenter<Collection, CollectionPopupEditorView> {

    private static final long serialVersionUID = -1996365248431425021L;

    private CollectionPopupEditor collectionPopuEditor;

    /**

     * {@inheritDoc}

     */

    @Override

    protected Collection loadCdmEntityById(Integer identifier) {

        List<String> initStrategy = Arrays.asList(new String []{

                "$",

                "institute.$",

                "superCollection.$",

                }

        );

        Collection bean;

        if(identifier != null){

            bean = getRepo().getCollectionService().load(identifier, initStrategy);

        } else {

            bean = Collection.NewInstance();

        }

        return bean;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected void guaranteePerEntityCRUDPermissions(Integer identifier) {

        if(crud != null){

            newAuthorityCreated = UserHelper.fromSession().createAuthorityForCurrentUser(Collection.class, identifier, crud, null);

        }

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected void guaranteePerEntityCRUDPermissions(Collection bean) {

        if(crud != null){

            newAuthorityCreated = UserHelper.fromSession().createAuthorityForCurrentUser(bean, crud, null);

        }

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected IService<Collection> getService() {

        // TODO Auto-generated method stub

        return null;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void handleViewEntered() {

        super.handleViewEntered();

        CdmFilterablePagingProvider<Collection, Collection> collectionPagingProvider = new CdmFilterablePagingProvider<Collection, Collection>(getRepo().getCollectionService());

        getView().getSuperCollectionCombobox().getSelect().loadFrom(collectionPagingProvider, collectionPagingProvider, collectionPagingProvider.getPageSize());

        getView().getSuperCollectionCombobox().getSelect().addValueChangeListener(new ToOneRelatedEntityReloader<Collection>(getView().getSuperCollectionCombobox(),this));

    }

    @EventBusListenerMethod(filter = EditorActionTypeFilter.Add.class)

    public void onCollectionEditorActionAdd(CollectionEditorAction event) {

        if(!checkFromOwnView(event)){

            return;

        }

        collectionPopuEditor = getNavigationManager().showInPopup(CollectionPopupEditor.class);

        collectionPopuEditor.grantToCurrentUser(this.crud);

        collectionPopuEditor.withDeleteButton(true);

        collectionPopuEditor.loadInEditor(null);

    }

    @EventBusListenerMethod(filter = EditorActionTypeFilter.Edit.class)

    public void onCollectionEditorActionEdit(CollectionEditorAction event) {

        if(!checkFromOwnView(event)){

            return;

        }

        collectionPopuEditor = getNavigationManager().showInPopup(CollectionPopupEditor.class);

        collectionPopuEditor.grantToCurrentUser(this.crud);

        collectionPopuEditor.withDeleteButton(true);

        collectionPopuEditor.loadInEditor(event.getEntityId());

    }

    @EventBusListenerMethod()

    public void onDoneWithPopupEvent(DoneWithPopupEvent event){

        if(event.getPopup() == collectionPopuEditor){

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

                Collection newCollection = collectionPopuEditor.getBean();

                // TODO the bean contained in the popup editor is not yet updated at this point.

                //      so re reload it using the uuid since new beans will not have an Id at this point.

                newCollection = getRepo().getCollectionService().find(newCollection.getUuid());

                getView().getSuperCollectionCombobox().getSelect().setValue(newCollection);

            }

            collectionPopuEditor = null;

        }

    }

}