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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.bulkeditor.handler;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import org.eclipse.core.commands.AbstractHandler;
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import org.eclipse.core.commands.ExecutionEvent;
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import org.eclipse.core.commands.ExecutionException;
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import org.eclipse.core.runtime.Status;
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import org.eclipse.jface.dialogs.MessageDialog;
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import org.eclipse.jface.text.TextSelection;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.ui.IEditorInput;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.handlers.HandlerUtil;
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import org.eclipse.ui.texteditor.IDocumentProvider;
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import eu.etaxonomy.cdm.api.application.ICdmRepository;
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import eu.etaxonomy.cdm.api.service.DeleteResult;
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import eu.etaxonomy.cdm.api.service.IOccurrenceService;
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import eu.etaxonomy.cdm.api.service.IReferenceService;
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import eu.etaxonomy.cdm.api.service.config.DeleteConfiguratorBase;
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import eu.etaxonomy.cdm.api.service.config.MediaDeletionConfigurator;
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import eu.etaxonomy.cdm.api.service.config.NameDeletionConfigurator;
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import eu.etaxonomy.cdm.api.service.config.SynonymDeletionConfigurator;
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import eu.etaxonomy.cdm.api.service.config.TaxonDeletionConfigurator;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.agent.TeamOrPersonBase;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.common.Group;
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import eu.etaxonomy.cdm.model.common.User;
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import eu.etaxonomy.cdm.model.media.Media;
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import eu.etaxonomy.cdm.model.name.TaxonNameBase;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
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import eu.etaxonomy.cdm.model.reference.Reference;
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import eu.etaxonomy.cdm.model.taxon.Synonym;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonBase;
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import eu.etaxonomy.taxeditor.annotatedlineeditor.IEntityPersistenceService;
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import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotation;
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import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotationModel;
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import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
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import eu.etaxonomy.taxeditor.bulkeditor.internal.TaxeditorBulkeditorPlugin;
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import eu.etaxonomy.taxeditor.model.DeleteResultMessagingUtils;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.ui.dialog.configurator.deleteConfigurator.DeleteConfiguratorDialog;
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/**
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* @author n.hoffmann
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* @created Mar 11, 2011
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* @version 1.0
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*/
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public class DeleteHandler extends AbstractHandler {
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private static final String SKIP = "Skip";
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private static final String DELETE = "Delete";
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private static final String CONFIRM_DELETION = "Confirm Deletion";
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/* (non-Javadoc)
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* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
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*/
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@Override
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public Object execute(ExecutionEvent event) throws ExecutionException {
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TextSelection selection = (TextSelection) HandlerUtil.getCurrentSelection(event);
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IEditorPart editor = HandlerUtil.getActiveEditor(event);
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IEditorInput input = editor.getEditorInput();
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if((input instanceof IEntityPersistenceService) && (selection instanceof IStructuredSelection)){
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IDocumentProvider provider = ((BulkEditor) editor).getDocumentProvider();
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LineAnnotationModel model =
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(LineAnnotationModel) provider.getAnnotationModel(input);
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IStructuredSelection structuredSelection = (IStructuredSelection) selection;
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DeleteConfiguratorBase config = null;
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IEntityPersistenceService persistenceService = (IEntityPersistenceService) input;
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DeleteResult result = new DeleteResult();
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String errorMessage= "The object ";
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for(Object object : structuredSelection.toList()){
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if (object instanceof CdmBase){
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CdmBase base = (CdmBase)object;
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LineAnnotation annotation = (LineAnnotation) model.getAnnotation(object);
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if (base.getId() != 0){
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try {
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ICdmRepository controller;
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controller = CdmStore.getCurrentApplicationConfiguration();
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if (object instanceof SpecimenOrObservationBase){
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IOccurrenceService service = controller.getOccurrenceService();
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if (object != null){
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result = service.isDeletable(((SpecimenOrObservationBase) object).getUuid(), null);
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errorMessage = "The specimen or observation ";
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}
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} else if (object instanceof Reference){
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IReferenceService service = controller.getReferenceService();
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if (object != null){
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result = service.isDeletable(((Reference)object).getUuid(), null);
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errorMessage = "The reference ";
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}
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} else if (object instanceof Group){
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errorMessage = "The group ";
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}else if (object instanceof User){
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errorMessage = "The user ";
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} else if (object instanceof TaxonNameBase){
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TaxonNameBase name = HibernateProxyHelper.deproxy(object, TaxonNameBase.class);
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if (object != null){
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config = new NameDeletionConfigurator();
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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);
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int result_dialog= dialog.open();
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if (result_dialog != Status.OK){
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return null;
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}
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result = controller.getNameService().isDeletable(name.getUuid(), config);
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errorMessage = "The name ";
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}
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} else if (object instanceof TaxonBase){
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// synonym
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if(object instanceof Synonym){
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Synonym synonym = HibernateProxyHelper.deproxy(object, Synonym.class);
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config = new SynonymDeletionConfigurator();
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errorMessage = "The synonym ";
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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);
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int result_dialog= dialog.open();
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if (result_dialog != Status.OK){
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return null;
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}
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result = controller.getTaxonService().isDeletable(synonym.getUuid(), config);
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}
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else if(object instanceof Taxon ){
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Taxon taxon = HibernateProxyHelper.deproxy(object, Taxon.class);
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if (((Taxon)object).getTaxonNodes().isEmpty()){
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errorMessage = "The taxon ";
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} else{
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MessagingUtils.messageDialog("Delete not possible", getClass(), "The taxon can not be deleted in bulk editor. It is used in a classification.", null);
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return null;
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}
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config = new TaxonDeletionConfigurator();
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((TaxonDeletionConfigurator) config).setDeleteInAllClassifications(true);
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DeleteConfiguratorDialog dialog;
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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);
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int result_dialog= dialog.open();
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if (result_dialog != Status.OK){
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return null;
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}
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result = controller.getTaxonService().isDeletable(taxon.getUuid(), config);
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}
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} else if (object instanceof TeamOrPersonBase){
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result = controller.getAgentService().isDeletable(((CdmBase) object).getUuid(), null);
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errorMessage = "The team or person ";
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} else if (object instanceof Media){
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config = new MediaDeletionConfigurator();
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Media media = HibernateProxyHelper.deproxy(object, Media.class);
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DeleteConfiguratorDialog dialog;
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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);
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int result_dialog= dialog.open();
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if (result_dialog != Status.OK){
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return null;
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}
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result = controller.getMediaService().isDeletable(media.getUuid(), config);
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errorMessage = "The media ";
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}
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} catch (Exception e){
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MessagingUtils.errorDialog("Exception occured. Delete not possible", getClass(), e.getMessage(), TaxeditorBulkeditorPlugin.PLUGIN_ID, null, true);
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}
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if (result.isError() || result.isAbort()){
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if (!result.getExceptions().isEmpty()) {
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List<String> messages = new ArrayList<String>();
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int i = result.getExceptions().size();
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for (Exception e:result.getExceptions()){
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messages.add(e.getMessage());
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}
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errorMessage += "could not be deleted.";
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//MessagingUtils.errorDialog("test", getClass(), "message", TaxeditorBulkeditorPlugin.PLUGIN_ID, result.getExceptions().iterator().next(),true);
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DeleteResultMessagingUtils.messageDialogWithDetails(result,errorMessage, TaxeditorBulkeditorPlugin.PLUGIN_ID);
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}else{
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MessagingUtils.messageDialog("Delete not possible", getClass(), "The object could not be deleted. An exception occured.", null);
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}
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}else if (model != null) {
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Iterator iter = model.getAnnotationIterator(selection.getOffset(), selection.getLength(), true, true);
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while (iter.hasNext()) {
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Object next = iter.next();
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if (next instanceof LineAnnotation) {
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if (result.isOk()){
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((LineAnnotation)next).markAsDeleted(config);
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}
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}
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}
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}
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}
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if (result.isOk() ){
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((BulkEditor) editor).removeAnnotatedLine(annotation);
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if(result.getUpdatedObjects().size() != 0 || !result.getExceptions().isEmpty()){
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List<String> messages = new ArrayList<String>();
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int i = result.getExceptions().size();
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for (Exception e:result.getExceptions()){
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messages.add(e.getMessage());
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}
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errorMessage += "can be deleted but related object(s) could not be deleted. ";
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//MessagingUtils.errorDialog("test", getClass(), "message", TaxeditorBulkeditorPlugin.PLUGIN_ID, result.getExceptions().iterator().next(),true);
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DeleteResultMessagingUtils.messageDialogWithDetails(result, errorMessage, TaxeditorBulkeditorPlugin.PLUGIN_ID);
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}
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}
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}
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}
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}
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return null;
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}
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}
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