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 import eu.etaxonomy.cdm.model.name.TaxonNameBase;
  48 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  49 import eu.etaxonomy.cdm.model.reference.Reference;
  50 import eu.etaxonomy.cdm.model.taxon.Synonym;
  51 import eu.etaxonomy.cdm.model.taxon.Taxon;
  52 import eu.etaxonomy.cdm.model.taxon.TaxonBase;
  53 import eu.etaxonomy.cdm.persistence.dao.hibernate.HibernateBeanInitializer;
  54 import eu.etaxonomy.cdm.api.application.ICdmApplicationConfiguration;
  55 import eu.etaxonomy.taxeditor.annotatedlineeditor.IEntityPersistenceService;
  56 import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotation;
  57 import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotationModel;
  58 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
  59 import eu.etaxonomy.taxeditor.bulkeditor.internal.TaxeditorBulkeditorPlugin;
  60 import eu.etaxonomy.taxeditor.bulkeditor.referencingobjects.ReferencingObjectsView;
  61 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  62 import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
  63 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  64 import eu.etaxonomy.taxeditor.store.CdmStore;
  65
  66
  67 /**
  68  * @author n.hoffmann
  69  * @created Mar 11, 2011
  70  * @version 1.0
  71  */
  72 public class DeleteHandler extends AbstractHandler {
  73
  74         /* (non-Javadoc)
  75          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  76          */
  77         @Override
  78         public Object execute(ExecutionEvent event) throws ExecutionException {
  79
  80                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  81
  82                 IEditorPart editor = HandlerUtil.getActiveEditor(event);
  83
  84                 IEditorInput input = editor.getEditorInput();
  85
  86                 if((input instanceof IEntityPersistenceService) && (selection instanceof IStructuredSelection)){
  87
  88
  89                         IDocumentProvider provider = ((BulkEditor) editor).getDocumentProvider();
  90                         LineAnnotationModel model =
  91                                         (LineAnnotationModel) provider.getAnnotationModel(input);
  92
  93
  94                         IStructuredSelection structuredSelection = (IStructuredSelection) selection;
  95
  96                         IEntityPersistenceService persistenceService = (IEntityPersistenceService) input;
  97
  98
  99                         for(Object object : structuredSelection.toList()){
 100
 101                                 LineAnnotation annotation = (LineAnnotation) model.getAnnotation(object);
 102                                 DeleteResult result = new DeleteResult();
 103                                 //result.setError();
 104                                 try {
 105                                         ICdmApplicationConfiguration controller;
 106                                         controller = (ICdmApplicationConfiguration) CdmStore.getCurrentApplicationConfiguration();
 107                                         //persistenceService.delete(object);
 108                                         if (object instanceof SpecimenOrObservationBase){
 109
 110                                                 IOccurrenceService service = controller.getOccurrenceService();
 111                                                 SpecimenOrObservationBase persistedObject = service.load(((SpecimenOrObservationBase) object).getUuid());
 112                                                 if (persistedObject != null){
 113                                                         result = service.delete(persistedObject);
 114                                                 }
 115                                         } else if (object instanceof Reference){
 116                                                 IReferenceService service = controller.getReferenceService();
 117
 118                                                 Reference persistedObject = service.load(((Reference) object).getUuid());
 119                                                 if (persistedObject != null){
 120                                                         result = service.delete(persistedObject);
 121                                                 }
 122
 123                                         } else if (object instanceof Group){
 124                                                 IGroupService service = controller.getGroupService();
 125                                                 Group persistedObject = service.load(((Group) object).getUuid());
 126                                                 if (persistedObject != null){
 127                                                         result = service.delete(persistedObject);
 128                                                 }
 129                                         }else if (object instanceof User){
 130                                                 IUserService service = controller.getUserService();
 131                                                 User persistedObject = service.load(((User) object).getUuid());
 132                                                 if (persistedObject != null){
 133                                                         result = service.delete(persistedObject);
 134                                                 }
 135                                         } else if (object instanceof TaxonNameBase){
 136                                                 INameService service = controller.getNameService();
 137                                                 TaxonNameBase name = service.load(((TaxonNameBase) object).getUuid());
 138                                                 if (name != null){
 139                                                         NameDeletionConfigurator config = new NameDeletionConfigurator();
 140
 141                                                         result = service.delete(name.getUuid(), config);
 142                                                 }
 143                                         } else if (object instanceof TaxonBase){
 144                                                 ITaxonService service = controller.getTaxonService();
 145                                                 TaxonBase taxonBase = service.load(((TaxonBase) object).getUuid());
 146                                                 if (taxonBase != null){
 147                                                         if (object instanceof Taxon){
 148                                                                 result = service.deleteTaxon(((TaxonBase) object).getUuid(), null, null);
 149                                                         }else{
 150                                                                 result = service.deleteSynonym((Synonym)object, null);
 151                                                         }
 152                                                 }
 153                                         } else if (object instanceof TeamOrPersonBase){
 154                                                 IAgentService service = controller.getAgentService();
 155                                                 TeamOrPersonBase teamOrPerson = (TeamOrPersonBase)service.load(((TeamOrPersonBase) object).getUuid());
 156                                                 result = service.delete((TeamOrPersonBase)object);
 157                                         }
 158                                 } catch (Exception e){
 159                                         MessagingUtils.errorDialog("Exception occured. Delete not possible", getClass(), e.getMessage(), TaxeditorBulkeditorPlugin.PLUGIN_ID, null, true);
 160                                 }
 161                                 if (result.isError() || result.isAbort()){
 162                                         if (!result.getExceptions().isEmpty()) {
 163                                                 String message = null;
 164                                                 int i = result.getExceptions().size();
 165                                                 for (Exception e:result.getExceptions()){
 166                                                         i--;
 167                                                         message+= e.getMessage();
 168                                                         if (i>0){
 169                                                                 message+= ", ";
 170                                                         }
 171                                                 }
 172
 173
 174                                                 MessagingUtils.messageDialog("Delete not possible", getClass(), result.getExceptions().toString(), null);
 175                                         }else{
 176                                                 MessagingUtils.messageDialog("Delete not possible", getClass(), "The object could not be deleted. An exception occured.", null);
 177
 178                                         }
 179                                 }
 180                                 if (result.isOk() ){
 181                                         ((BulkEditor) editor).removeAnnotatedLine(annotation);
 182                                         if(result.getUpdatedObjects().size() != 0 || !result.getExceptions().isEmpty()){
 183                                                 MessagingUtils.informationDialog("Delete successfull", "The object is deleted but there are updated objects: " + result.toString());
 184                                         }
 185
 186                                 }
 187
 188                         }
 189                 }
 190
 191
 192                 return null;
 193         }
 194
 195 }