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.UUID;
  14
  15 import org.eclipse.core.commands.AbstractHandler;
  16 import org.eclipse.core.commands.ExecutionEvent;
  17 import org.eclipse.core.commands.ExecutionException;
  18 import org.eclipse.jface.viewers.ISelection;
  19 import org.eclipse.jface.viewers.IStructuredSelection;
  20 import org.eclipse.ui.IEditorInput;
  21 import org.eclipse.ui.IEditorPart;
  22 import org.eclipse.ui.IViewPart;
  23 import org.eclipse.ui.IViewReference;
  24 import org.eclipse.ui.PlatformUI;
  25 import org.eclipse.ui.handlers.HandlerUtil;
  26 import org.eclipse.ui.texteditor.IDocumentProvider;
  27 import org.eclipse.ui.IWorkbenchPage;
  28
  29 import eu.etaxonomy.cdm.api.service.DeleteResult;
  30 import eu.etaxonomy.cdm.api.service.IAgentService;
  31 import eu.etaxonomy.cdm.api.service.IGroupService;
  32 import eu.etaxonomy.cdm.api.service.INameService;
  33 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
  34 import eu.etaxonomy.cdm.api.service.IReferenceService;
  35 import eu.etaxonomy.cdm.api.service.ITaxonService;
  36 import eu.etaxonomy.cdm.api.service.IUserService;
  37 import eu.etaxonomy.cdm.api.service.config.NameDeletionConfigurator;
  38 import eu.etaxonomy.cdm.model.agent.TeamOrPersonBase;
  39 import eu.etaxonomy.cdm.model.common.Group;
  40 import eu.etaxonomy.cdm.model.common.User;
  41
  42 import eu.etaxonomy.cdm.model.name.TaxonNameBase;
  43 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  44 import eu.etaxonomy.cdm.model.reference.Reference;
  45 import eu.etaxonomy.cdm.model.taxon.Synonym;
  46 import eu.etaxonomy.cdm.model.taxon.Taxon;
  47 import eu.etaxonomy.cdm.model.taxon.TaxonBase;
  48 import eu.etaxonomy.cdm.api.application.ICdmApplicationConfiguration;
  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.referencingobjects.ReferencingObjectsView;
  54
  55
  56 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  57 import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
  58 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  59 import eu.etaxonomy.taxeditor.store.CdmStore;
  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         /* (non-Javadoc)
  70          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  71          */
  72         @Override
  73         public Object execute(ExecutionEvent event) throws ExecutionException {
  74
  75                 if(PreferencesUtil.getPreferenceStore().getBoolean(IPreferenceKeys.SHOW_EXPERIMENTAL_FEATURES)){
  76                         ISelection selection = HandlerUtil.getCurrentSelection(event);
  77
  78                         IEditorPart editor = HandlerUtil.getActiveEditor(event);
  79
  80                         IEditorInput input = editor.getEditorInput();
  81
  82                         if((input instanceof IEntityPersistenceService) && (selection instanceof IStructuredSelection)){
  83
  84
  85                                 IDocumentProvider provider = ((BulkEditor) editor).getDocumentProvider();
  86                                 LineAnnotationModel model =
  87                                                 (LineAnnotationModel) provider.getAnnotationModel(input);
  88
  89
  90                                 IStructuredSelection structuredSelection = (IStructuredSelection) selection;
  91
  92                                 IEntityPersistenceService persistenceService = (IEntityPersistenceService) input;
  93                                  IViewPart part = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage()
  94                                                     .findView("eu.etaxonomy.taxeditor.bulkeditor.view.referencingobjects");
  95                                     if (part != null){
  96                                                 ((ReferencingObjectsView)part).dispose();
  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                                                         service.load(((SpecimenOrObservationBase) object).getUuid());
 112                                                         result = service.delete((SpecimenOrObservationBase)object);
 113                                                 } else if (object instanceof Reference){
 114                                                         IReferenceService service = controller.getReferenceService();
 115                                                         service.load(((Reference) object).getUuid());
 116                                                         result = service.delete((Reference)object);
 117                                                 } else if (object instanceof Group){
 118                                                         IGroupService service = controller.getGroupService();
 119                                                         service.load(((Group) object).getUuid());
 120                                                         result = service.delete((Group) object);
 121                                                 }else if (object instanceof User){
 122                                                         IUserService service = controller.getUserService();
 123                                                         service.load(((User) object).getUuid());
 124                                                         result = service.delete((User) object);
 125                                                 } else if (object instanceof TaxonNameBase){
 126                                                         INameService service = controller.getNameService();
 127                                                         TaxonNameBase name = service.load(((TaxonNameBase) object).getUuid());
 128                                                         NameDeletionConfigurator config = new NameDeletionConfigurator();
 129
 130                                                         result = service.delete(name, config);
 131                                                 } else if (object instanceof TaxonBase){
 132                                                         ITaxonService service = controller.getTaxonService();
 133                                                         service.load(((TaxonBase) object).getUuid());
 134                                                         if (object instanceof Taxon){
 135                                                                 result = service.deleteTaxon((Taxon)object, null, null);
 136                                                         }else{
 137                                                                 result = service.deleteSynonym((Synonym)object, null);
 138                                                         }
 139                                                 } else if (object instanceof TeamOrPersonBase){
 140                                                         IAgentService service = controller.getAgentService();
 141                                                         object = service.load(((TeamOrPersonBase) object).getUuid());
 142                                                         result = service.delete((TeamOrPersonBase)object);
 143                                                 }
 144                                         } catch (Exception e){
 145                                                 MessagingUtils.messageDialog("Exception occured. Could not delete", getClass(), e.getMessage(), null);
 146                                         }
 147                                         if (result.isError() || result.isAbort()|| !result.getExceptions().isEmpty()){
 148                                                 if (!result.getExceptions().isEmpty()) {
 149                                                         MessagingUtils.messageDialog("Could not delete", getClass(), result.getExceptions().get(0).getMessage(), null);
 150                                                 }else{
 151                                                         MessagingUtils.messageDialog("Could not delete", getClass(), "The object could not be deleted. An exception occured.", null);
 152
 153                                                 }
 154                                         }
 155                                         if (result.isOk() && result.getExceptions().isEmpty()){
 156                                                 ((BulkEditor) editor).removeAnnotatedLine(annotation);
 157
 158
 159                                         }
 160                                         if (part != null){
 161                                                 ((ReferencingObjectsView)part).refresh();
 162                                         }
 163                                         part = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage()
 164                                                     .findView("eu.etaxonomy.taxeditor.editor.view.descriptive");
 165                                     if (part != null){
 166                                                 //((DescriptiveViewPart)part).dispose();
 167                                         }
 168                                 }
 169                         }
 170                 }else{
 171                         MessagingUtils.warningDialog("Feature not enabled", getClass(), "Deletion is currently an experimental feature." +
 172                                         "Enable it via Preferences at your own risk.");
 173                 }
 174
 175
 176                 return null;
 177         }
 178
 179 }