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

   1 /**
   2 * Copyright (C) 2007 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
  10 package eu.etaxonomy.taxeditor.bulkeditor.handler;
  11
  12 import java.util.ArrayList;
  13 import java.util.Iterator;
  14 import java.util.List;
  15
  16 import org.eclipse.core.commands.AbstractHandler;
  17 import org.eclipse.core.commands.ExecutionEvent;
  18 import org.eclipse.core.commands.ExecutionException;
  19 import org.eclipse.core.runtime.Status;
  20 import org.eclipse.jface.dialogs.MessageDialog;
  21 import org.eclipse.jface.text.TextSelection;
  22 import org.eclipse.jface.viewers.IStructuredSelection;
  23 import org.eclipse.ui.IEditorInput;
  24 import org.eclipse.ui.IEditorPart;
  25 import org.eclipse.ui.handlers.HandlerUtil;
  26 import org.eclipse.ui.texteditor.IDocumentProvider;
  27
  28 import eu.etaxonomy.cdm.api.application.ICdmRepository;
  29 import eu.etaxonomy.cdm.api.service.DeleteResult;
  30 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
  31 import eu.etaxonomy.cdm.api.service.IReferenceService;
  32 import eu.etaxonomy.cdm.api.service.config.DeleteConfiguratorBase;
  33 import eu.etaxonomy.cdm.api.service.config.MediaDeletionConfigurator;
  34 import eu.etaxonomy.cdm.api.service.config.NameDeletionConfigurator;
  35 import eu.etaxonomy.cdm.api.service.config.SpecimenDeleteConfigurator;
  36 import eu.etaxonomy.cdm.api.service.config.SynonymDeletionConfigurator;
  37 import eu.etaxonomy.cdm.api.service.config.TaxonDeletionConfigurator;
  38 import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
  39 import eu.etaxonomy.cdm.model.agent.TeamOrPersonBase;
  40 import eu.etaxonomy.cdm.model.common.CdmBase;
  41 import eu.etaxonomy.cdm.model.common.Group;
  42 import eu.etaxonomy.cdm.model.common.User;
  43 import eu.etaxonomy.cdm.model.media.Media;
  44 import eu.etaxonomy.cdm.model.name.TaxonNameBase;
  45 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  46 import eu.etaxonomy.cdm.model.reference.Reference;
  47 import eu.etaxonomy.cdm.model.taxon.Synonym;
  48 import eu.etaxonomy.cdm.model.taxon.Taxon;
  49 import eu.etaxonomy.cdm.model.taxon.TaxonBase;
  50 import eu.etaxonomy.taxeditor.annotatedlineeditor.IEntityPersistenceService;
  51 import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotation;
  52 import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotationModel;
  53 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
  54 import eu.etaxonomy.taxeditor.bulkeditor.internal.TaxeditorBulkeditorPlugin;
  55 import eu.etaxonomy.taxeditor.bulkeditor.l10n.Messages;
  56 import eu.etaxonomy.taxeditor.model.DeleteResultMessagingUtils;
  57 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  58 import eu.etaxonomy.taxeditor.store.CdmStore;
  59 import eu.etaxonomy.taxeditor.ui.dialog.configurator.deleteConfigurator.DeleteConfiguratorDialog;
  60
  61
  62 /**
  63  * @author n.hoffmann
  64  * @created Mar 11, 2011
  65  * @version 1.0
  66  */
  67 public class DeleteHandler extends AbstractHandler {
  68
  69
  70
  71     private static final String SKIP = "Skip";
  72     private static final String DELETE = "Delete";
  73     private static final String CONFIRM_DELETION = "Confirm Deletion";
  74
  75     /* (non-Javadoc)
  76          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  77          */
  78         @Override
  79         public Object execute(ExecutionEvent event) throws ExecutionException {
  80
  81
  82                 TextSelection selection = (TextSelection) HandlerUtil.getCurrentSelection(event);
  83                 IEditorPart editor = HandlerUtil.getActiveEditor(event);
  84
  85                 IEditorInput input = editor.getEditorInput();
  86
  87                 if((input instanceof IEntityPersistenceService) && (selection instanceof IStructuredSelection)){
  88
  89
  90                         IDocumentProvider provider = ((BulkEditor) editor).getDocumentProvider();
  91                         LineAnnotationModel model =
  92                                         (LineAnnotationModel) provider.getAnnotationModel(input);
  93
  94
  95                         IStructuredSelection structuredSelection = (IStructuredSelection) selection;
  96                         DeleteConfiguratorBase config = null;
  97                         IEntityPersistenceService persistenceService = (IEntityPersistenceService) input;
  98                         DeleteResult result = new DeleteResult();
  99                         String errorMessage= "The object ";
 100                         for(Object object : structuredSelection.toList()){
 101                             if (object instanceof CdmBase){
 102                                 CdmBase base = (CdmBase)object;
 103                                 LineAnnotation annotation = (LineAnnotation) model.getAnnotation(object);
 104                                 if (base.getId() != 0){
 105
 106
 107                                         try {
 108                                             ICdmRepository controller;
 109                                             controller = CdmStore.getCurrentApplicationConfiguration();
 110                                             if (object instanceof SpecimenOrObservationBase){
 111                                                 IOccurrenceService service = controller.getOccurrenceService();
 112                                                 config = new SpecimenDeleteConfigurator();
 113
 114                                 DeleteConfiguratorDialog dialog = new DeleteConfiguratorDialog(config, HandlerUtil.getActiveShell(event), CONFIRM_DELETION,  null,  Messages.BulkEditor_DeleteHandler_reallyDeleteSpecimen, MessageDialog.WARNING, new String[] { DELETE, SKIP }, 0, true);
 115                                 int result_dialog= dialog.open();
 116                                 if (result_dialog != Status.OK){
 117                                     return null;
 118                                 }
 119                                                         if (object != null){
 120                                                                 result = service.isDeletable(((SpecimenOrObservationBase) object).getUuid(), config);
 121                                                                 errorMessage = "The specimen or observation ";
 122
 123                                                         }
 124                                             } else if (object instanceof Reference){
 125                                                         IReferenceService service = controller.getReferenceService();
 126                                                         if (object != null){
 127                                                                 result = service.isDeletable(((Reference)object).getUuid(), null);
 128                                                                 errorMessage = "The reference ";
 129                                                         }
 130
 131                                             } else if (object instanceof Group){
 132                                                 errorMessage = "The group ";
 133                                             }else if (object instanceof User){
 134                                                 errorMessage = "The user ";
 135                                             } else if (object instanceof TaxonNameBase){
 136                                                 TaxonNameBase name = HibernateProxyHelper.deproxy(object, TaxonNameBase.class);
 137                                                 if (object != null){
 138                                                     config = new NameDeletionConfigurator();
 139
 140                                                     DeleteConfiguratorDialog dialog = new DeleteConfiguratorDialog(config, HandlerUtil.getActiveShell(event), CONFIRM_DELETION,  null,  "Do you really want to delete the name?\nThis operation is irreversible!", MessageDialog.WARNING, new String[] { DELETE, SKIP }, 0, true);
 141                                                     int result_dialog= dialog.open();
 142                                                     if (result_dialog != Status.OK){
 143                                                         return null;
 144                                                     }
 145                                                     result = controller.getNameService().isDeletable(name.getUuid(), config);
 146                                                     errorMessage = "The name ";
 147
 148                                                 }
 149                                             } else if (object instanceof TaxonBase){
 150
 151                                                         // synonym
 152                                                         if(object instanceof Synonym){
 153                                                                 Synonym synonym = HibernateProxyHelper.deproxy(object, Synonym.class);
 154                                                                 config = new SynonymDeletionConfigurator();
 155                                                                 errorMessage = "The synonym ";
 156                                                                 DeleteConfiguratorDialog dialog = new DeleteConfiguratorDialog(config, HandlerUtil.getActiveShell(event), CONFIRM_DELETION,  null,  "Do you really want to delete the synonym?", MessageDialog.WARNING, new String[] { DELETE, SKIP }, 0, true);
 157                                     int result_dialog= dialog.open();
 158                                     if (result_dialog != Status.OK){
 159                                          return null;
 160                                     }
 161                                     result = controller.getTaxonService().isDeletable(synonym.getUuid(), config);
 162
 163                                                         }
 164                                                         else if(object instanceof Taxon ){
 165                                                                 Taxon  taxon = HibernateProxyHelper.deproxy(object, Taxon.class);
 166                                                                 if (((Taxon)object).getTaxonNodes().isEmpty()){
 167                                             errorMessage = "The taxon ";
 168                                                                 } else{
 169                                                                     MessagingUtils.messageDialog("Delete not possible", getClass(), "The taxon can not be deleted in bulk editor. It is used in a classification.", null);
 170                                                                     return null;
 171                                                                 }
 172                                                                 config = new TaxonDeletionConfigurator();
 173                                                                 ((TaxonDeletionConfigurator) config).setDeleteInAllClassifications(true);
 174                                                                 DeleteConfiguratorDialog dialog;
 175                                                             dialog = new DeleteConfiguratorDialog(config, HandlerUtil.getActiveShell(event), CONFIRM_DELETION,  null,  "Do you really want to delete the taxon?", MessageDialog.WARNING, new String[] { DELETE, SKIP }, 0, true);
 176                                                                 int result_dialog= dialog.open();
 177                                     if (result_dialog != Status.OK){
 178                                          return null;
 179                                     }
 180                                     result = controller.getTaxonService().isDeletable(taxon.getUuid(), config);
 181
 182                                                         }
 183                                             } else if (object instanceof TeamOrPersonBase){
 184                                                 result = controller.getAgentService().isDeletable(((CdmBase) object).getUuid(), null);
 185                                                   errorMessage = "The team or person ";
 186                                            } else if (object instanceof Media){
 187                                                config = new MediaDeletionConfigurator();
 188                                                Media media = HibernateProxyHelper.deproxy(object, Media.class);
 189                                                DeleteConfiguratorDialog dialog;
 190                                                    dialog = new DeleteConfiguratorDialog(config, HandlerUtil.getActiveShell(event), CONFIRM_DELETION,  null,  "Do you really want to delete the media?", MessageDialog.WARNING, new String[] { DELETE, SKIP }, 0, true);
 191                                                    int result_dialog= dialog.open();
 192                                if (result_dialog != Status.OK){
 193                                    return null;
 194                                }
 195
 196                                result = controller.getMediaService().isDeletable(media.getUuid(), config);
 197                                errorMessage = "The media ";
 198
 199                            }
 200
 201
 202                                 } catch (Exception e){
 203                                         MessagingUtils.errorDialog("Exception occured. Delete not possible", getClass(), e.getMessage(), TaxeditorBulkeditorPlugin.PLUGIN_ID, null, true);
 204                                 }
 205                                 if (result.isError() || result.isAbort()){
 206                                         if (!result.getExceptions().isEmpty()) {
 207                                                 List<String> messages = new ArrayList<String>();
 208                                                 int i = result.getExceptions().size();
 209                                                 for (Exception e:result.getExceptions()){
 210                                                         messages.add(e.getMessage());
 211                                                 }
 212                                                 errorMessage += "could not be deleted.";
 213                                                 //MessagingUtils.errorDialog("test", getClass(), "message", TaxeditorBulkeditorPlugin.PLUGIN_ID, result.getExceptions().iterator().next(),true);
 214                                                 DeleteResultMessagingUtils.messageDialogWithDetails(result,errorMessage, TaxeditorBulkeditorPlugin.PLUGIN_ID);
 215                                         }else{
 216                                                 MessagingUtils.messageDialog("Delete not possible", getClass(), "The object could not be deleted. An exception occured.", null);
 217                                         }
 218                                 }else if (model != null) {
 219                         Iterator iter = model.getAnnotationIterator(selection.getOffset(), selection.getLength(), true, true);
 220                         while (iter.hasNext()) {
 221                             Object next = iter.next();
 222                             if (next instanceof LineAnnotation) {
 223                                 if (result.isOk()){
 224                                     ((LineAnnotation)next).markAsDeleted(config);
 225
 226                                 }
 227
 228                             }
 229                         }
 230                     }
 231
 232                             }
 233                         if (result.isOk() ){
 234
 235                     ((BulkEditor) editor).removeAnnotatedLine(annotation);
 236
 237                     if(result.getUpdatedObjects().size() != 0 || !result.getExceptions().isEmpty()){
 238                         List<String> messages = new ArrayList<String>();
 239                         int i = result.getExceptions().size();
 240                         for (Exception e:result.getExceptions()){
 241                             messages.add(e.getMessage());
 242                         }
 243                         errorMessage += "can be deleted but related object(s) could not be deleted. ";
 244                         //MessagingUtils.errorDialog("test", getClass(), "message", TaxeditorBulkeditorPlugin.PLUGIN_ID, result.getExceptions().iterator().next(),true);
 245                         DeleteResultMessagingUtils.messageDialogWithDetails(result, errorMessage, TaxeditorBulkeditorPlugin.PLUGIN_ID);
 246                     }
 247
 248                 }
 249
 250                             }
 251
 252                         }
 253                 }
 254
 255
 256                 return null;
 257         }
 258
 259
 260 }