src/main/java/eu/etaxonomy/cdm/vaadin/view/registration/StartRegistrationPresenter.java

   1 /**
   2 * Copyright (C) 2017 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.cdm.vaadin.view.registration;
  10
  11 import java.util.EnumSet;
  12
  13 import org.springframework.context.event.EventListener;
  14 import org.vaadin.viritin.fields.LazyComboBox;
  15
  16 import com.vaadin.server.SystemError;
  17 import com.vaadin.server.UserError;
  18 import com.vaadin.spring.annotation.SpringComponent;
  19 import com.vaadin.spring.annotation.ViewScope;
  20
  21 import eu.etaxonomy.cdm.api.service.DeleteResult;
  22 import eu.etaxonomy.cdm.model.reference.Reference;
  23 import eu.etaxonomy.cdm.model.reference.ReferenceType;
  24 import eu.etaxonomy.cdm.persistence.hibernate.permission.CRUD;
  25 import eu.etaxonomy.cdm.service.CdmFilterablePagingProvider;
  26 import eu.etaxonomy.cdm.vaadin.event.ReferenceEditorAction;
  27 import eu.etaxonomy.cdm.vaadin.event.RegistrationEditorAction;
  28 import eu.etaxonomy.cdm.vaadin.ui.RegistrationUIDefaults;
  29 import eu.etaxonomy.cdm.vaadin.util.CdmTitleCacheCaptionGenerator;
  30 import eu.etaxonomy.cdm.vaadin.view.reference.ReferencePopupEditor;
  31 import eu.etaxonomy.vaadin.mvp.AbstractEditorPresenter;
  32 import eu.etaxonomy.vaadin.ui.navigation.NavigationEvent;
  33 import eu.etaxonomy.vaadin.ui.view.DoneWithPopupEvent;
  34 import eu.etaxonomy.vaadin.ui.view.DoneWithPopupEvent.Reason;
  35
  36 /**
  37  * @author a.kohlbecker
  38  * @since Jul 11, 2017
  39  *
  40  */
  41 @SpringComponent
  42 @ViewScope
  43 public class StartRegistrationPresenter extends AbstractEditorPresenter<RegistrationDTO, StartRegistrationView> {
  44
  45     private static final long serialVersionUID = 2283189121081612574L;
  46
  47     private ReferencePopupEditor newReferencePopup;
  48
  49     private Reference newReference;
  50
  51     private boolean registrationInProgress;
  52
  53     public StartRegistrationPresenter (){
  54         super();
  55     }
  56
  57     /**
  58      * {@inheritDoc}
  59      */
  60     @Override
  61     public void onPresenterReady() {
  62
  63         super.onPresenterReady();
  64
  65         CdmFilterablePagingProvider<Reference, Reference> pagingProvider = new CdmFilterablePagingProvider<Reference, Reference>(
  66                 getRepo().getReferenceService());
  67         CdmTitleCacheCaptionGenerator<Reference> titleCacheGenrator = new CdmTitleCacheCaptionGenerator<Reference>();
  68         getView().getReferenceCombobox().setCaptionGenerator(titleCacheGenrator);
  69         getView().getReferenceCombobox().loadFrom(pagingProvider, pagingProvider, pagingProvider.getPageSize());
  70     }
  71
  72     /**
  73      * {@inheritDoc}
  74      */
  75     @Override
  76     public void handleViewExit() {
  77         if(!registrationInProgress && newReference != null){
  78             logger.info("Deleting newly created Reference due to canceled registration");
  79             getRepo().getReferenceService().delete(newReference);
  80         }
  81         super.handleViewExit();
  82     }
  83
  84     @EventListener(condition = "#event.type == T(eu.etaxonomy.cdm.vaadin.event.AbstractEditorAction.Action).ADD")
  85     public void onReferenceEditorActionAdd(ReferenceEditorAction event) {
  86
  87         if(getView() == null || getView().getNewPublicationButton() != event.getSourceComponent()){
  88             return;
  89         }
  90         newReferencePopup = getNavigationManager().showInPopup(ReferencePopupEditor.class);
  91         EnumSet<ReferenceType> refTypes = RegistrationUIDefaults.REFERENCE_TYPES.clone();
  92         refTypes.remove(ReferenceType.Section);
  93         newReferencePopup.withReferenceTypes(refTypes);
  94         newReferencePopup.grantToCurrentUser(EnumSet.of(CRUD.UPDATE, CRUD.DELETE));
  95         newReferencePopup.withDeleteButton(true);
  96         newReferencePopup.loadInEditor(null);
  97     }
  98
  99     @EventListener(condition = "#event.type == T(eu.etaxonomy.cdm.vaadin.event.AbstractEditorAction.Action).REMOVE")
 100     public void onReferenceEditorActionRemove(ReferenceEditorAction event) {
 101
 102         if(getView().getRemoveNewPublicationButton() != event.getSourceComponent()){
 103             return;
 104         }
 105         DeleteResult result = getRepo().getReferenceService().delete(newReference);
 106         if(!result.isOk()){
 107             String message = "";
 108             for(Exception e : result.getExceptions()){
 109                 message += e.getMessage() + "\n" + e.getStackTrace().toString() + "\n";
 110             }
 111             getView().getRemoveNewPublicationButton().setComponentError(new SystemError(message));
 112         }
 113
 114         getView().getReferenceCombobox().setEnabled(false);
 115
 116         getView().getRemoveNewPublicationButton().setVisible(false);
 117
 118         getView().getNewPublicationButton().setVisible(true);
 119         getView().getNewPublicationLabel().setCaption(null);
 120         getView().getNewPublicationLabel().setVisible(false);
 121     }
 122
 123     @EventListener
 124     public void onDoneWithPopupEvent(DoneWithPopupEvent event){
 125         if(event.getPopup() == newReferencePopup){
 126             if(event.getReason() == Reason.SAVE){
 127
 128                 newReference = newReferencePopup.getBean();
 129
 130                 // TODO the bean contained in the popup editor is not yet updated at this point.
 131                 //      so re reload it using the uuid since new beans will not have an Id at this point.
 132                 newReference = getRepo().getReferenceService().find(newReference.getUuid());
 133
 134                 getView().getReferenceCombobox().setValue(null);  // deselect
 135                 getView().getReferenceCombobox().setEnabled(false);
 136
 137                 getView().getContinueButton().setEnabled(true);
 138
 139                 getView().getNewPublicationButton().setVisible(false);
 140
 141                 getView().getRemoveNewPublicationButton().setVisible(true);
 142                 getView().getNewPublicationLabel().setCaption(newReference.getTitleCache());
 143                 getView().getNewPublicationLabel().setVisible(true);
 144             }
 145
 146             newReferencePopup = null;
 147         }
 148     }
 149
 150     @EventListener(condition = "#event.type == T(eu.etaxonomy.cdm.vaadin.event.AbstractEditorAction.Action).ADD")
 151     public void onRegistrationEditorActionAdd(RegistrationEditorAction event) {
 152
 153         if(getView().getContinueButton() != event.getSourceComponent()){
 154             return;
 155         }
 156         Integer referenceId = null;
 157         LazyComboBox<Reference> referenceCombobox = getView().getReferenceCombobox();
 158         referenceCombobox.commit();
 159         if(newReference != null){
 160             referenceId = newReference.getId();
 161        // } else if(referenceCombobox.getValue() != null) {
 162         } else if ( event.getEntityId() != null) { // HACKED, see view implementation
 163             referenceId = event.getEntityId();
 164         }
 165         if(referenceId == null){
 166             getView().getContinueButton().setComponentError(new UserError("Can't continue. No Reference is chosen."));
 167             getView().getContinueButton().setEnabled(false);
 168         }
 169         registrationInProgress = true;
 170         eventBus.publishEvent(new NavigationEvent(RegistrationWorksetViewBean.NAME, Integer.toString(referenceId)));
 171
 172     }
 173
 174     /**
 175      * {@inheritDoc}
 176      */
 177     @Override
 178     protected RegistrationDTO loadBeanById(Object identifier) {
 179         // not needed //
 180         return null;
 181     }
 182
 183     /**
 184      * {@inheritDoc}
 185      */
 186     @Override
 187     protected void saveBean(RegistrationDTO bean) {
 188         // TODO Auto-generated method stub
 189
 190     }
 191
 192     /**
 193      * {@inheritDoc}
 194      */
 195     @Override
 196     protected void deleteBean(RegistrationDTO bean) {
 197         // TODO Auto-generated method stub
 198
 199     }
 200
 201 }