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