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 org.eclipse.core.commands.AbstractHandler;
  14 import org.eclipse.core.commands.ExecutionEvent;
  15 import org.eclipse.core.commands.ExecutionException;
  16 import org.eclipse.jface.viewers.ISelection;
  17 import org.eclipse.jface.viewers.IStructuredSelection;
  18 import org.eclipse.ui.IEditorInput;
  19 import org.eclipse.ui.IEditorPart;
  20 import org.eclipse.ui.handlers.HandlerUtil;
  21 import org.eclipse.ui.texteditor.IDocumentProvider;
  22
  23 import eu.etaxonomy.cdm.api.application.CdmApplicationController;
  24 import eu.etaxonomy.cdm.api.service.IGroupService;
  25 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
  26 import eu.etaxonomy.cdm.api.service.IReferenceService;
  27 import eu.etaxonomy.cdm.api.service.ITaxonService;
  28 import eu.etaxonomy.cdm.api.service.IUserService;
  29 import eu.etaxonomy.cdm.model.common.Group;
  30 import eu.etaxonomy.cdm.model.common.User;
  31 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  32 import eu.etaxonomy.cdm.model.reference.Reference;
  33 import eu.etaxonomy.cdm.strategy.cache.common.IIdentifiableEntityCacheStrategy;
  34 import eu.etaxonomy.taxeditor.annotatedlineeditor.IEntityPersistenceService;
  35 import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotation;
  36 import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotationModel;
  37 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
  38 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditorUtil;
  39 import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
  40 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  41 import eu.etaxonomy.taxeditor.store.CdmStore;
  42
  43 /**
  44  * @author n.hoffmann
  45  * @created Mar 11, 2011
  46  * @version 1.0
  47  */
  48 public class DeleteHandler extends AbstractHandler {
  49
  50         /* (non-Javadoc)
  51          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  52          */
  53         @Override
  54         public Object execute(ExecutionEvent event) throws ExecutionException {
  55
  56                 if(PreferencesUtil.getPreferenceStore().getBoolean(IPreferenceKeys.SHOW_EXPERIMENTAL_FEATURES)){
  57                         ISelection selection = HandlerUtil.getCurrentSelection(event);
  58
  59                         IEditorPart editor = HandlerUtil.getActiveEditor(event);
  60
  61                         IEditorInput input = editor.getEditorInput();
  62
  63                         if((input instanceof IEntityPersistenceService) && (selection instanceof IStructuredSelection)){
  64
  65
  66                                 IDocumentProvider provider = ((BulkEditor) editor).getDocumentProvider();
  67                                 LineAnnotationModel model =
  68                                                 (LineAnnotationModel) provider.getAnnotationModel(input);
  69
  70
  71                                 IStructuredSelection structuredSelection = (IStructuredSelection) selection;
  72
  73                                 IEntityPersistenceService persistenceService = (IEntityPersistenceService) input;
  74
  75                                 for(Object object : structuredSelection.toList()){
  76
  77                                         LineAnnotation annotation = (LineAnnotation) model.getAnnotation(object);
  78
  79                                         try {
  80                                                 CdmApplicationController controller;
  81                                                 controller = (CdmApplicationController) CdmStore.getCurrentApplicationConfiguration();
  82                                                 //persistenceService.delete(object);
  83                                                 if (object instanceof SpecimenOrObservationBase){
  84
  85                                                         IOccurrenceService service = controller.getOccurrenceService();
  86                                                         service.delete((SpecimenOrObservationBase)object);
  87                                                 } else if (object instanceof Reference){
  88                                                         IReferenceService service = controller.getReferenceService();
  89                                                         service.delete((Reference)object);
  90                                                 } else if (object instanceof Group){
  91                                                         IGroupService service = controller.getGroupService();
  92                                                         service.delete((Group) object);
  93                                                 }else if (object instanceof User){
  94                                                         IUserService service = controller.getUserService();
  95                                                         service.delete((User) object);
  96                                                 }
  97
  98                                         } catch (Exception e){
  99                                                 BulkEditorUtil.errorDialog("Could not delete", getClass(), e.getMessage(), null);
 100                                         }
 101                                         ((BulkEditor) editor).removeAnnotatedLine(annotation);
 102
 103                                 }
 104                         }
 105                 }else{
 106                         BulkEditorUtil.warningDialog("Feature not enabled", getClass(), "Deletion is currently an experimental feature." +
 107                                         "Enable it via Preferences at your own risk.");
 108                 }
 109
 110
 111                 return null;
 112         }
 113
 114 }