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/**
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* Copyright (C) 2017 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.vaadin.view.registration;
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import org.springframework.context.event.EventListener;
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import org.vaadin.viritin.fields.LazyComboBox;
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import com.vaadin.server.SystemError;
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import com.vaadin.server.UserError;
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import com.vaadin.spring.annotation.SpringComponent;
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import com.vaadin.spring.annotation.ViewScope;
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import eu.etaxonomy.cdm.api.service.DeleteResult;
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import eu.etaxonomy.cdm.model.reference.Reference;
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import eu.etaxonomy.cdm.service.CdmFilterablePagingProvider;
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import eu.etaxonomy.cdm.vaadin.event.ReferenceEditorAction;
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import eu.etaxonomy.cdm.vaadin.event.RegistrationEditorAction;
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import eu.etaxonomy.cdm.vaadin.util.CdmTitleCacheCaptionGenerator;
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import eu.etaxonomy.cdm.vaadin.view.reference.ReferencePopupEditor;
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import eu.etaxonomy.vaadin.mvp.AbstractEditorPresenter;
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import eu.etaxonomy.vaadin.ui.navigation.NavigationEvent;
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import eu.etaxonomy.vaadin.ui.view.DoneWithPopupEvent;
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import eu.etaxonomy.vaadin.ui.view.DoneWithPopupEvent.Reason;
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/**
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* @author a.kohlbecker
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* @since Jul 11, 2017
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*
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*/
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@SpringComponent
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@ViewScope
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public class StartRegistrationPresenter extends AbstractEditorPresenter<RegistrationDTO, StartRegistrationView> {
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private static final long serialVersionUID = 2283189121081612574L;
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private ReferencePopupEditor newReferencePopup;
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private Reference newReference;
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private boolean registrationInProgress;
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public StartRegistrationPresenter (){
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super();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void onPresenterReady() {
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super.onPresenterReady();
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CdmFilterablePagingProvider<Reference, Reference> pagingProvider = new CdmFilterablePagingProvider<Reference, Reference>(
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getRepo().getReferenceService());
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CdmTitleCacheCaptionGenerator<Reference> titleCacheGenrator = new CdmTitleCacheCaptionGenerator<Reference>();
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getView().getReferenceCombobox().setCaptionGenerator(titleCacheGenrator);
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getView().getReferenceCombobox().loadFrom(pagingProvider, pagingProvider, pagingProvider.getPageSize());
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void handleViewExit() {
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if(!registrationInProgress && newReference != null){
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logger.info("Deleting newly created Reference due to canceled registration");
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getRepo().getReferenceService().delete(newReference);
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}
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super.handleViewExit();
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}
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@EventListener(condition = "#event.type == T(eu.etaxonomy.cdm.vaadin.event.AbstractEditorAction.Action).ADD")
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public void onReferenceEditorActionAdd(ReferenceEditorAction event) {
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if(getView().getNewPublicationButton() != event.getSourceComponent()){
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return;
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}
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newReferencePopup = getNavigationManager().showInPopup(ReferencePopupEditor.class);
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newReferencePopup.withDeleteButton(true);
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newReferencePopup.loadInEditor(null);
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}
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@EventListener(condition = "#event.type == T(eu.etaxonomy.cdm.vaadin.event.AbstractEditorAction.Action).REMOVE")
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public void onReferenceEditorActionRemove(ReferenceEditorAction event) {
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if(getView().getRemoveNewPublicationButton() != event.getSourceComponent()){
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return;
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}
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DeleteResult result = getRepo().getReferenceService().delete(newReference);
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if(!result.isOk()){
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String message = "";
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for(Exception e : result.getExceptions()){
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message += e.getMessage() + "\n" + e.getStackTrace().toString() + "\n";
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}
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getView().getRemoveNewPublicationButton().setComponentError(new SystemError(message));
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}
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getView().getReferenceCombobox().setEnabled(false);
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getView().getRemoveNewPublicationButton().setVisible(false);
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getView().getNewPublicationButton().setVisible(true);
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getView().getNewPublicationLabel().setCaption(null);
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getView().getNewPublicationLabel().setVisible(false);
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}
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@EventListener
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public void onDoneWithPopupEvent(DoneWithPopupEvent event){
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if(event.getPopup() == newReferencePopup){
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if(event.getReason() == Reason.SAVE){
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newReference = newReferencePopup.getBean();
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// TODO the bean contained in the popup editor is not yet updated at this point.
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// so re reload it using the uuid since new beans will not have an Id at this point.
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newReference = getRepo().getReferenceService().find(newReference.getUuid());
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getView().getReferenceCombobox().setValue(null); // deselect
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getView().getReferenceCombobox().setEnabled(false);
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getView().getContinueButton().setEnabled(true);
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getView().getNewPublicationButton().setVisible(false);
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getView().getRemoveNewPublicationButton().setVisible(true);
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getView().getNewPublicationLabel().setCaption(newReference.getTitleCache());
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getView().getNewPublicationLabel().setVisible(true);
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}
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newReferencePopup = null;
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}
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}
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@EventListener(condition = "#event.type == T(eu.etaxonomy.cdm.vaadin.event.AbstractEditorAction.Action).ADD")
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public void onRegistrationEditorActionAdd(RegistrationEditorAction event) {
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if(getView().getContinueButton() != event.getSourceComponent()){
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return;
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}
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Integer referenceId = null;
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LazyComboBox<Reference> referenceCombobox = getView().getReferenceCombobox();
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referenceCombobox.commit();
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if(newReference != null){
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referenceId = newReference.getId();
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// } else if(referenceCombobox.getValue() != null) {
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} else if ( event.getEntityId() != null) { // HACKED, see view implementation
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referenceId = event.getEntityId();
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}
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if(referenceId == null){
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getView().getContinueButton().setComponentError(new UserError("Can't continue. No Reference is chosen."));
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getView().getContinueButton().setEnabled(false);
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}
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registrationInProgress = true;
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eventBus.publishEvent(new NavigationEvent(RegistrationWorksetViewBean.NAME, Integer.toString(referenceId)));
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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protected RegistrationDTO loadBeanById(Object identifier) {
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// not needed //
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return null;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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protected void saveBean(RegistrationDTO bean) {
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// TODO Auto-generated method stub
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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protected void deleteBean(RegistrationDTO bean) {
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// TODO Auto-generated method stub
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}
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}
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