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// $Id$
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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.UUID;
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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.jface.viewers.ISelection;
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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.IViewPart;
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import org.eclipse.ui.IViewReference;
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import org.eclipse.ui.PlatformUI;
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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 org.eclipse.ui.IWorkbenchPage;
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import eu.etaxonomy.cdm.api.service.DeleteResult;
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import eu.etaxonomy.cdm.api.service.IAgentService;
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import eu.etaxonomy.cdm.api.service.IGroupService;
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import eu.etaxonomy.cdm.api.service.INameService;
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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.ITaxonService;
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import eu.etaxonomy.cdm.api.service.IUserService;
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import eu.etaxonomy.cdm.api.service.config.NameDeletionConfigurator;
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import eu.etaxonomy.cdm.model.agent.TeamOrPersonBase;
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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.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.cdm.api.application.ICdmApplicationConfiguration;
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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.referencingobjects.ReferencingObjectsView;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
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import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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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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/* (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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if(PreferencesUtil.getPreferenceStore().getBoolean(IPreferenceKeys.SHOW_EXPERIMENTAL_FEATURES)){
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ISelection selection = 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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IEntityPersistenceService persistenceService = (IEntityPersistenceService) input;
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IViewPart part = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage()
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.findView("eu.etaxonomy.taxeditor.bulkeditor.view.referencingobjects");
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if (part != null){
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((ReferencingObjectsView)part).dispose();
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}
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for(Object object : structuredSelection.toList()){
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LineAnnotation annotation = (LineAnnotation) model.getAnnotation(object);
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DeleteResult result = new DeleteResult();
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//result.setError();
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try {
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ICdmApplicationConfiguration controller;
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controller = (ICdmApplicationConfiguration) CdmStore.getCurrentApplicationConfiguration();
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//persistenceService.delete(object);
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if (object instanceof SpecimenOrObservationBase){
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IOccurrenceService service = controller.getOccurrenceService();
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service.load(((SpecimenOrObservationBase) object).getUuid());
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result = service.delete((SpecimenOrObservationBase)object);
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} else if (object instanceof Reference){
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IReferenceService service = controller.getReferenceService();
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service.load(((Reference) object).getUuid());
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result = service.delete((Reference)object);
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} else if (object instanceof Group){
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IGroupService service = controller.getGroupService();
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service.load(((Group) object).getUuid());
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result = service.delete((Group) object);
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}else if (object instanceof User){
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IUserService service = controller.getUserService();
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service.load(((User) object).getUuid());
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result = service.delete((User) object);
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} else if (object instanceof TaxonNameBase){
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INameService service = controller.getNameService();
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TaxonNameBase name = service.load(((TaxonNameBase) object).getUuid());
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NameDeletionConfigurator config = new NameDeletionConfigurator();
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result = service.delete(name, config);
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} else if (object instanceof TaxonBase){
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ITaxonService service = controller.getTaxonService();
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service.load(((TaxonBase) object).getUuid());
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if (object instanceof Taxon){
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result = service.deleteTaxon((Taxon)object, null, null);
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}else{
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result = service.deleteSynonym((Synonym)object, null);
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}
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} else if (object instanceof TeamOrPersonBase){
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IAgentService service = controller.getAgentService();
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object = service.load(((TeamOrPersonBase) object).getUuid());
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result = service.delete((TeamOrPersonBase)object);
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}
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} catch (Exception e){
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MessagingUtils.messageDialog("Exception occured. Could not delete", getClass(), e.getMessage(), null);
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}
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if (result.isError() || result.isAbort()|| !result.getExceptions().isEmpty()){
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if (!result.getExceptions().isEmpty()) {
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MessagingUtils.messageDialog("Could not delete", getClass(), result.getExceptions().get(0).getMessage(), null);
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}else{
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MessagingUtils.messageDialog("Could not delete", getClass(), "The object could not be deleted. An exception occured.", null);
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}
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}
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if (result.isOk() && result.getExceptions().isEmpty()){
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((BulkEditor) editor).removeAnnotatedLine(annotation);
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}
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if (part != null){
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((ReferencingObjectsView)part).refresh();
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}
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part = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage()
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.findView("eu.etaxonomy.taxeditor.editor.view.descriptive");
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if (part != null){
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//((DescriptiveViewPart)part).dispose();
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}
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}
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}
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}else{
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MessagingUtils.warningDialog("Feature not enabled", getClass(), "Deletion is currently an experimental feature." +
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"Enable it via Preferences at your own risk.");
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}
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return null;
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}
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}
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