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