eu.etaxonomy.taxeditor.bulkeditor/src/main/java/eu/etaxonomy/taxeditor/bulkeditor/handler/DeleteHandler.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.bulkeditor.handler;
  12
  13 import java.util.Iterator;
  14 import java.util.Set;
  15 import java.util.UUID;
  16
  17 import org.eclipse.core.commands.AbstractHandler;
  18 import org.eclipse.core.commands.ExecutionEvent;
  19 import org.eclipse.core.commands.ExecutionException;
  20 import org.eclipse.jface.dialogs.MessageDialog;
  21 import org.eclipse.jface.viewers.ISelection;
  22 import org.eclipse.jface.viewers.IStructuredSelection;
  23 import org.eclipse.ui.IEditorInput;
  24 import org.eclipse.ui.IEditorPart;
  25 import org.eclipse.ui.IViewPart;
  26 import org.eclipse.ui.IViewReference;
  27 import org.eclipse.ui.PlatformUI;
  28 import org.eclipse.ui.handlers.HandlerUtil;
  29 import org.eclipse.ui.texteditor.IDocumentProvider;
  30 import org.eclipse.ui.IWorkbenchPage;
  31
  32 import eu.etaxonomy.cdm.api.service.DeleteResult;
  33 import eu.etaxonomy.cdm.api.service.IAgentService;
  34 import eu.etaxonomy.cdm.api.service.IGroupService;
  35 import eu.etaxonomy.cdm.api.service.INameService;
  36 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
  37 import eu.etaxonomy.cdm.api.service.IReferenceService;
  38 import eu.etaxonomy.cdm.api.service.ITaxonService;
  39 import eu.etaxonomy.cdm.api.service.IUserService;
  40 import eu.etaxonomy.cdm.api.service.config.NameDeletionConfigurator;
  41 import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
  42 import eu.etaxonomy.cdm.model.agent.TeamOrPersonBase;
  43 import eu.etaxonomy.cdm.model.common.CdmBase;
  44 import eu.etaxonomy.cdm.model.common.Group;
  45 import eu.etaxonomy.cdm.model.common.IdentifiableEntity;
  46 import eu.etaxonomy.cdm.model.common.User;
  47
  48 import eu.etaxonomy.cdm.model.name.TaxonNameBase;
  49 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  50 import eu.etaxonomy.cdm.model.reference.Reference;
  51 import eu.etaxonomy.cdm.model.taxon.Synonym;
  52 import eu.etaxonomy.cdm.model.taxon.Taxon;
  53 import eu.etaxonomy.cdm.model.taxon.TaxonBase;
  54 import eu.etaxonomy.cdm.persistence.dao.hibernate.HibernateBeanInitializer;
  55 import eu.etaxonomy.cdm.api.application.ICdmApplicationConfiguration;
  56 import eu.etaxonomy.taxeditor.annotatedlineeditor.IEntityPersistenceService;
  57 import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotation;
  58 import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotationModel;
  59 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
  60 import eu.etaxonomy.taxeditor.bulkeditor.referencingobjects.ReferencingObjectsView;
  61
  62
  63 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  64 import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
  65 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  66 import eu.etaxonomy.taxeditor.store.CdmStore;
  67
  68
  69 /**
  70  * @author n.hoffmann
  71  * @created Mar 11, 2011
  72  * @version 1.0
  73  */
  74 public class DeleteHandler extends AbstractHandler {
  75
  76         /* (non-Javadoc)
  77          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  78          */
  79         @Override
  80         public Object execute(ExecutionEvent event) throws ExecutionException {
  81
  82                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  83
  84                 IEditorPart editor = HandlerUtil.getActiveEditor(event);
  85
  86                 IEditorInput input = editor.getEditorInput();
  87
  88                 if((input instanceof IEntityPersistenceService) && (selection instanceof IStructuredSelection)){
  89
  90
  91                         IDocumentProvider provider = ((BulkEditor) editor).getDocumentProvider();
  92                         LineAnnotationModel model =
  93                                         (LineAnnotationModel) provider.getAnnotationModel(input);
  94
  95
  96                         IStructuredSelection structuredSelection = (IStructuredSelection) selection;
  97
  98                         IEntityPersistenceService persistenceService = (IEntityPersistenceService) input;
  99
 100
 101                         for(Object object : structuredSelection.toList()){
 102
 103                                 LineAnnotation annotation = (LineAnnotation) model.getAnnotation(object);
 104                                 DeleteResult result = new DeleteResult();
 105                                 //result.setError();
 106                                 try {
 107                                         ICdmApplicationConfiguration controller;
 108                                         controller = (ICdmApplicationConfiguration) CdmStore.getCurrentApplicationConfiguration();
 109                                         //persistenceService.delete(object);
 110                                         if (object instanceof SpecimenOrObservationBase){
 111
 112                                                 IOccurrenceService service = controller.getOccurrenceService();
 113                                                 SpecimenOrObservationBase persistedObject = service.load(((SpecimenOrObservationBase) object).getUuid());
 114                                                 if (persistedObject != null){
 115                                                         result = service.delete(persistedObject);
 116                                                 }
 117                                         } else if (object instanceof Reference){
 118                                                 IReferenceService service = controller.getReferenceService();
 119
 120                                                 Reference persistedObject = service.load(((Reference) object).getUuid());
 121                                                 if (persistedObject != null){
 122                                                         result = service.delete(persistedObject);
 123                                                 }
 124
 125                                         } else if (object instanceof Group){
 126                                                 IGroupService service = controller.getGroupService();
 127                                                 Group persistedObject = service.load(((Group) object).getUuid());
 128                                                 if (persistedObject != null){
 129                                                         result = service.delete(persistedObject);
 130                                                 }
 131                                         }else if (object instanceof User){
 132                                                 IUserService service = controller.getUserService();
 133                                                 User persistedObject = service.load(((User) object).getUuid());
 134                                                 if (persistedObject != null){
 135                                                         result = service.delete(persistedObject);
 136                                                 }
 137                                         } else if (object instanceof TaxonNameBase){
 138                                                 INameService service = controller.getNameService();
 139                                                 TaxonNameBase name = service.load(((TaxonNameBase) object).getUuid());
 140                                                 if (name != null){
 141                                                         NameDeletionConfigurator config = new NameDeletionConfigurator();
 142
 143                                                         result = service.delete(name, config);
 144                                                 }
 145                                         } else if (object instanceof TaxonBase){
 146                                                 ITaxonService service = controller.getTaxonService();
 147                                                 TaxonBase taxonBase = service.load(((TaxonBase) object).getUuid());
 148                                                 if (taxonBase != null){
 149                                                         if (object instanceof Taxon){
 150                                                                 result = service.deleteTaxon((Taxon)object, null, null);
 151                                                         }else{
 152                                                                 result = service.deleteSynonym((Synonym)object, null);
 153                                                         }
 154                                                 }
 155                                         } else if (object instanceof TeamOrPersonBase){
 156                                                 IAgentService service = controller.getAgentService();
 157                                                 TeamOrPersonBase teamOrPerson = (TeamOrPersonBase)service.load(((TeamOrPersonBase) object).getUuid());
 158                                                 result = service.delete((TeamOrPersonBase)object);
 159                                         }
 160                                 } catch (Exception e){
 161                                         MessagingUtils.messageDialog("Exception occured. Could not delete", getClass(), e.getMessage(), null);
 162                                 }
 163                                 if (result.isError() || result.isAbort()){
 164                                         if (!result.getExceptions().isEmpty()) {
 165                                                 MessagingUtils.messageDialog("Could not delete", getClass(), result.getExceptions().toString(), null);
 166                                         }else{
 167                                                 MessagingUtils.messageDialog("Could not delete", getClass(), "The object could not be deleted. An exception occured.", null);
 168
 169                                         }
 170                                 }
 171                                 if (result.isOk() ){
 172                                         ((BulkEditor) editor).removeAnnotatedLine(annotation);
 173                                         if(result.getUpdatedObjects().size() != 0 && !result.getExceptions().isEmpty()){
 174                                                 MessagingUtils.informationDialog("Delete successfull", "The object is deleted but there are updated objects: " + result.toString());
 175                                         }
 176
 177                                 }
 178
 179                         }
 180                 }
 181
 182
 183                 return null;
 184         }
 185
 186 }