EDIT

/**

* Copyright (C) 2018 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.name;

import java.util.Arrays;

import java.util.HashSet;

import java.util.List;

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

import eu.etaxonomy.cdm.model.name.NameTypeDesignation;

import eu.etaxonomy.cdm.model.name.NameTypeDesignationStatus;

import eu.etaxonomy.cdm.model.name.TaxonName;

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

import eu.etaxonomy.cdm.service.CdmFilterablePagingProvider;

import eu.etaxonomy.cdm.vaadin.component.CdmBeanItemContainerFactory;

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

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

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

import eu.etaxonomy.cdm.vaadin.util.CdmTitleCacheCaptionGenerator;

import eu.etaxonomy.vaadin.mvp.AbstractCdmEditorPresenter;

/**

 * @author a.kohlbecker

 * @since Jan 26, 2018

 *

 */

public class NameTypeDesignationPresenter

        extends AbstractCdmEditorPresenter<NameTypeDesignation, NameTypeDesignationEditorView> {

    HashSet<TaxonName> typifiedNamesAsLoaded;

    /**

     * {@inheritDoc}

     */

    @Override

    protected NameTypeDesignation loadCdmEntityById(Integer identifier) {

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

                "$",

                "typifiedNames.typeDesignations", // important !!

                "typeName.$",

                "citation.authorship.$",

                }

        );

        NameTypeDesignation typeDesignation;

        if(identifier != null){

            typeDesignation = (NameTypeDesignation) getRepo().getNameService().loadTypeDesignation(identifier, initStrategy);

        } else {

            if(beanInstantiator != null){

                typeDesignation = beanInstantiator.createNewBean();

            } else {

                typeDesignation = NameTypeDesignation.NewInstance();

            }

        }

        typifiedNamesAsLoaded = new HashSet<>(typeDesignation.getTypifiedNames());

        return typeDesignation;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void handleViewEntered() {

        CdmBeanItemContainerFactory selectFactory = new CdmBeanItemContainerFactory(getRepo());

        getView().getTypeStatusSelect().setContainerDataSource(selectFactory.buildBeanItemContainer(NameTypeDesignationStatus.class));

        getView().getCitationCombobox().getSelect().setCaptionGenerator(new CdmTitleCacheCaptionGenerator<Reference>());

        CdmFilterablePagingProvider<Reference,Reference> referencePagingProvider = new CdmFilterablePagingProvider<Reference, Reference>(getRepo().getReferenceService());

        getView().getCitationCombobox().loadFrom(referencePagingProvider, referencePagingProvider, referencePagingProvider.getPageSize());

        getView().getCitationCombobox().getSelect().addValueChangeListener(new ToOneRelatedEntityButtonUpdater<Reference>(getView().getCitationCombobox()));

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

        CdmFilterablePagingProvider<TaxonName,TaxonName> namePagingProvider = new CdmFilterablePagingProvider<TaxonName, TaxonName>(getRepo().getNameService());

        getView().getTypeNameField().loadFrom(namePagingProvider, namePagingProvider, namePagingProvider.getPageSize());

        getView().getTypeNameField().getSelect().addValueChangeListener(new ToOneRelatedEntityButtonUpdater<TaxonName>(getView().getTypeNameField()));

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

        getView().getTypifiedNamesComboboxSelect().setPagingProviders(namePagingProvider, namePagingProvider, namePagingProvider.getPageSize(), this);

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected void guaranteePerEntityCRUDPermissions(Integer identifier) {

        if(crud != null){

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

        }

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected void guaranteePerEntityCRUDPermissions(NameTypeDesignation bean) {

        // TODO Auto-generated method stub

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected IService<NameTypeDesignation> getService() {

        // TODO Auto-generated method stub

        return null;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected NameTypeDesignation handleTransientProperties(NameTypeDesignation bean) {

        // the typifiedNames can only be set on the name side, so we need to

        // handle changes explicitly here

        HashSet<TaxonName> typifiedNames = new HashSet<>(bean.getTypifiedNames());

        // handle adds

        for(TaxonName name : typifiedNames){

            if(!name.getTypeDesignations().contains(bean)){

                name.addTypeDesignation(bean, false);

            }

        }

        // handle removed

        for(TaxonName name : typifiedNamesAsLoaded){

            if(!typifiedNames.contains(name)){

                name.removeTypeDesignation(bean);

            }

            // FIXME do we need to save the names here or is the delete cascaded from the typedesignation to the name?

        }

        return bean;

    }

}