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
  13 import java.util.ArrayList;
  14 import java.util.Iterator;
  15 import java.util.List;
  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.core.runtime.Status;
  21 import org.eclipse.jface.dialogs.MessageDialog;
  22 import org.eclipse.jface.text.TextSelection;
  23 import org.eclipse.jface.text.source.Annotation;
  24 import org.eclipse.jface.viewers.IStructuredSelection;
  25 import org.eclipse.ui.IEditorInput;
  26 import org.eclipse.ui.IEditorPart;
  27 import org.eclipse.ui.handlers.HandlerUtil;
  28 import org.eclipse.ui.texteditor.IDocumentProvider;
  29
  30 import eu.etaxonomy.cdm.api.application.ICdmRepository;
  31 import eu.etaxonomy.cdm.api.service.DeleteResult;
  32 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
  33 import eu.etaxonomy.cdm.api.service.IReferenceService;
  34 import eu.etaxonomy.cdm.api.service.config.DeleteConfiguratorBase;
  35 import eu.etaxonomy.cdm.api.service.config.MediaDeletionConfigurator;
  36 import eu.etaxonomy.cdm.api.service.config.NameDeletionConfigurator;
  37 import eu.etaxonomy.cdm.api.service.config.SpecimenDeleteConfigurator;
  38 import eu.etaxonomy.cdm.api.service.config.SynonymDeletionConfigurator;
  39 import eu.etaxonomy.cdm.api.service.config.TaxonDeletionConfigurator;
  40 import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
  41 import eu.etaxonomy.cdm.model.agent.TeamOrPersonBase;
  42 import eu.etaxonomy.cdm.model.common.CdmBase;
  43 import eu.etaxonomy.cdm.model.common.Group;
  44 import eu.etaxonomy.cdm.model.common.User;
  45 import eu.etaxonomy.cdm.model.media.Media;
  46 import eu.etaxonomy.cdm.model.name.TaxonNameBase;
  47 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  48 import eu.etaxonomy.cdm.model.reference.Reference;
  49 import eu.etaxonomy.cdm.model.taxon.Synonym;
  50 import eu.etaxonomy.cdm.model.taxon.Taxon;
  51 import eu.etaxonomy.cdm.model.taxon.TaxonBase;
  52 import eu.etaxonomy.taxeditor.annotatedlineeditor.IEntityPersistenceService;
  53 import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotation;
  54 import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotationModel;
  55 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
  56 import eu.etaxonomy.taxeditor.bulkeditor.internal.TaxeditorBulkeditorPlugin;
  57 import eu.etaxonomy.taxeditor.bulkeditor.l10n.Messages;
  58 import eu.etaxonomy.taxeditor.model.DeleteResultMessagingUtils;
  59 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  60 import eu.etaxonomy.taxeditor.store.CdmStore;
  61 import eu.etaxonomy.taxeditor.ui.dialog.configurator.deleteConfigurator.DeleteConfiguratorDialog;
  62
  63
  64 /**
  65  * @author n.hoffmann
  66  * @created Mar 11, 2011
  67  * @version 1.0
  68  */
  69 public class DeleteHandler extends AbstractHandler {
  70
  71
  72
  73     private static final String SKIP = "Skip";
  74     private static final String DELETE = "Delete";
  75     private static final String CONFIRM_DELETION = "Confirm Deletion";
  76
  77     /* (non-Javadoc)
  78          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  79          */
  80         @Override
  81         public Object execute(ExecutionEvent event) throws ExecutionException {
  82
  83
  84                 TextSelection selection = (TextSelection) HandlerUtil.getCurrentSelection(event);
  85                 IEditorPart editor = HandlerUtil.getActiveEditor(event);
  86
  87                 IEditorInput input = editor.getEditorInput();
  88
  89                 if((input instanceof IEntityPersistenceService) && (selection instanceof IStructuredSelection)){
  90
  91
  92                         IDocumentProvider provider = ((BulkEditor) editor).getDocumentProvider();
  93                         LineAnnotationModel model =
  94                                         (LineAnnotationModel) provider.getAnnotationModel(input);
  95
  96
  97                         IStructuredSelection structuredSelection = (IStructuredSelection) selection;
  98                         DeleteConfiguratorBase config = null;
  99                         IEntityPersistenceService persistenceService = (IEntityPersistenceService) input;
 100                         DeleteResult result = new DeleteResult();
 101                         String errorMessage= "The object ";
 102                         for(Object object : structuredSelection.toList()){
 103                             if (object instanceof CdmBase){
 104                                 CdmBase base = (CdmBase)object;
 105                                 LineAnnotation annotation = (LineAnnotation) model.getAnnotation(object);
 106                                 if (base.getId() != 0){
 107
 108
 109                                         try {
 110                                             ICdmRepository controller;
 111                                             controller = CdmStore.getCurrentApplicationConfiguration();
 112                                             if (object instanceof SpecimenOrObservationBase){
 113                                                 IOccurrenceService service = controller.getOccurrenceService();
 114                                                 config = new SpecimenDeleteConfigurator();
 115
 116                                 DeleteConfiguratorDialog dialog = new DeleteConfiguratorDialog(config, HandlerUtil.getActiveShell(event), CONFIRM_DELETION,  null,  Messages.BulkEditor_DeleteHandler_reallyDeleteSpecimen, MessageDialog.WARNING, new String[] { DELETE, SKIP }, 0, true);
 117                                 int result_dialog= dialog.open();
 118                                 if (result_dialog != Status.OK){
 119                                     return null;
 120                                 }
 121                                                         if (object != null){
 122                                                                 result = service.isDeletable(((SpecimenOrObservationBase) object).getUuid(), config);
 123                                                                 errorMessage = "The specimen or observation ";
 124
 125                                                         }
 126                                             } else if (object instanceof Reference){
 127                                                         IReferenceService service = controller.getReferenceService();
 128                                                         if (object != null){
 129                                                                 result = service.isDeletable(((Reference)object).getUuid(), null);
 130                                                                 errorMessage = "The reference ";
 131                                                         }
 132
 133                                             } else if (object instanceof Group){
 134                                                 errorMessage = "The group ";
 135                                             }else if (object instanceof User){
 136                                                 errorMessage = "The user ";
 137                                             } else if (object instanceof TaxonNameBase){
 138                                                 TaxonNameBase name = HibernateProxyHelper.deproxy(object, TaxonNameBase.class);
 139                                                 if (object != null){
 140                                                     config = new NameDeletionConfigurator();
 141
 142                                                     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);
 143                                                     int result_dialog= dialog.open();
 144                                                     if (result_dialog != Status.OK){
 145                                                         return null;
 146                                                     }
 147                                                     result = controller.getNameService().isDeletable(name.getUuid(), config);
 148                                                     errorMessage = "The name ";
 149
 150                                                 }
 151                                             } else if (object instanceof TaxonBase){
 152
 153                                                         // synonym
 154                                                         if(object instanceof Synonym){
 155                                                                 Synonym synonym = HibernateProxyHelper.deproxy(object, Synonym.class);
 156                                                                 config = new SynonymDeletionConfigurator();
 157                                                                 errorMessage = "The synonym ";
 158                                                                 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);
 159                                     int result_dialog= dialog.open();
 160                                     if (result_dialog != Status.OK){
 161                                          return null;
 162                                     }
 163                                     result = controller.getTaxonService().isDeletable(synonym.getUuid(), config);
 164
 165                                                         }
 166                                                         else if(object instanceof Taxon ){
 167                                                                 Taxon  taxon = HibernateProxyHelper.deproxy(object, Taxon.class);
 168                                                                 if (((Taxon)object).getTaxonNodes().isEmpty()){
 169                                             errorMessage = "The taxon ";
 170                                                                 } else{
 171                                                                     MessagingUtils.messageDialog("Delete not possible", getClass(), "The taxon can not be deleted in bulk editor. It is used in a classification.", null);
 172                                                                     return null;
 173                                                                 }
 174                                                                 config = new TaxonDeletionConfigurator();
 175                                                                 ((TaxonDeletionConfigurator) config).setDeleteInAllClassifications(true);
 176                                                                 DeleteConfiguratorDialog dialog;
 177                                                             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);
 178                                                                 int result_dialog= dialog.open();
 179                                     if (result_dialog != Status.OK){
 180                                          return null;
 181                                     }
 182                                     result = controller.getTaxonService().isDeletable(taxon.getUuid(), config);
 183
 184                                                         }
 185                                             } else if (object instanceof TeamOrPersonBase){
 186                                                 result = controller.getAgentService().isDeletable(((CdmBase) object).getUuid(), null);
 187                                                   errorMessage = "The team or person ";
 188                                            } else if (object instanceof Media){
 189                                                config = new MediaDeletionConfigurator();
 190                                                Media media = HibernateProxyHelper.deproxy(object, Media.class);
 191                                                DeleteConfiguratorDialog dialog;
 192                                                    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);
 193                                                    int result_dialog= dialog.open();
 194                                if (result_dialog != Status.OK){
 195                                    return null;
 196                                }
 197
 198                                result = controller.getMediaService().isDeletable(media.getUuid(), config);
 199                                errorMessage = "The media ";
 200
 201                            }
 202
 203
 204                                 } catch (Exception e){
 205                                         MessagingUtils.errorDialog("Exception occured. Delete not possible", getClass(), e.getMessage(), TaxeditorBulkeditorPlugin.PLUGIN_ID, null, true);
 206                                 }
 207                                 if (result.isError() || result.isAbort()){
 208                                         if (!result.getExceptions().isEmpty()) {
 209                                                 List<String> messages = new ArrayList<String>();
 210                                                 int i = result.getExceptions().size();
 211                                                 for (Exception e:result.getExceptions()){
 212                                                         messages.add(e.getMessage());
 213                                                 }
 214                                                 errorMessage += "could not be deleted.";
 215                                                 //MessagingUtils.errorDialog("test", getClass(), "message", TaxeditorBulkeditorPlugin.PLUGIN_ID, result.getExceptions().iterator().next(),true);
 216                                                 DeleteResultMessagingUtils.messageDialogWithDetails(result,errorMessage, TaxeditorBulkeditorPlugin.PLUGIN_ID);
 217                                         }else{
 218                                                 MessagingUtils.messageDialog("Delete not possible", getClass(), "The object could not be deleted. An exception occured.", null);
 219                                         }
 220                                 }else if (model != null) {
 221                                         int offset = selection.getOffset();
 222                                         if (offset == 0){
 223                                                 offset = 1;
 224                                         }
 225                         Iterator iter = model.getAnnotationIterator(offset, selection.getLength(), true, true);
 226                    //     Iterator<Annotation> iter = model.getAnnotationIterator(selection.getOffset(), selection.getLength(), true, true);
 227                         while (iter.hasNext()) {
 228                             Object next = iter.next();
 229                             if (next instanceof LineAnnotation) {
 230                                 if (result.isOk()){
 231                                     ((LineAnnotation)next).markAsDeleted(config);
 232
 233                                 }
 234
 235                             }
 236                         }
 237                     }
 238
 239                             }
 240                         if (result.isOk() ){
 241
 242                     ((BulkEditor) editor).removeAnnotatedLine(annotation);
 243
 244                     if(result.getUpdatedObjects().size() != 0 || !result.getExceptions().isEmpty()){
 245                         List<String> messages = new ArrayList<String>();
 246                         int i = result.getExceptions().size();
 247                         for (Exception e:result.getExceptions()){
 248                             messages.add(e.getMessage());
 249                         }
 250                         errorMessage += "can be deleted but related object(s) could not be deleted. ";
 251                         //MessagingUtils.errorDialog("test", getClass(), "message", TaxeditorBulkeditorPlugin.PLUGIN_ID, result.getExceptions().iterator().next(),true);
 252                         DeleteResultMessagingUtils.messageDialogWithDetails(result, errorMessage, TaxeditorBulkeditorPlugin.PLUGIN_ID);
 253                     }
 254
 255                 }
 256
 257                             }
 258
 259                         }
 260                 }
 261
 262
 263                 return null;
 264         }
 265
 266
 267 }