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