EDIT

            Collection<TaxonNode> taxonNodes = (Collection<TaxonNode>) input;

            for (TaxonNode taxonTreeNode : taxonNodes) {

//                TaxonNode taxonNode =  CdmStore.getService(ITaxonNodeService.class).load(taxonTreeNode.getUuid());

                descriptiveDataSet.addTaxonSubtree(taxonTreeNode);

import eu.etaxonomy.cdm.api.service.config.RemoveDescriptionsFromDescriptiveDataSetConfigurator;

//    private List<UUID> descriptionUuidsToDelete;

    Map<RemoveDescriptionsFromDescriptiveDataSetConfigurator, List<UUID>> descriptionUuidsToDelete;

    public Map<RemoveDescriptionsFromDescriptiveDataSetConfigurator, List<UUID>> getDescriptionsToDelete() {

    public void addDescriptionToDelete(UUID descriptionToDelete, RemoveDescriptionsFromDescriptiveDataSetConfigurator config) {

            descriptionUuidsToDelete = new HashMap<>();

        }

        if (descriptionUuidsToDelete.get(config) != null){

            descriptionUuidsToDelete.get(config).add(descriptionToDelete);

        }else{

            List<UUID> uuidList = new ArrayList<>();

            uuidList.add(descriptionToDelete);

            this.descriptionUuidsToDelete.put(config, uuidList);

import eu.etaxonomy.cdm.api.service.config.RemoveDescriptionsFromDescriptiveDataSetConfigurator;

            DeleteResult result = new DeleteResult();

            for (RemoveDescriptionsFromDescriptiveDataSetConfigurator config: matrix.getDescriptionsToDelete().keySet()){

               result.includeResult(CdmStore.getService(IDescriptiveDataSetService.class).removeDescriptions(matrix.getDescriptionsToDelete().get(config), matrix.getDescriptiveDataSet().getUuid(), config));

            }

import org.eclipse.swt.widgets.Shell;

import eu.etaxonomy.cdm.api.service.config.RemoveDescriptionsFromDescriptiveDataSetConfigurator;

import eu.etaxonomy.taxeditor.editor.l10n.Messages;

import eu.etaxonomy.taxeditor.ui.dialog.configurator.deleteConfigurator.DeleteConfiguratorDialog;

    public void execute(@Named(IServiceConstants.ACTIVE_PART)MPart activePart,

            @Named(IServiceConstants.ACTIVE_SHELL)Shell shell,

            UISynchronize sync) {

        RemoveDescriptionsFromDescriptiveDataSetConfigurator deleteConfig = new RemoveDescriptionsFromDescriptiveDataSetConfigurator();

        if (!DeleteConfiguratorDialog.openConfirmWithConfigurator(deleteConfig, shell, Messages.DeleteDescriptiveDataSetHandler_DELETE_TITLE,  Messages.CharacterMatrix_DELETE_DESCRIPTION)){

            return;

        }

        matrixPart.getMatrix().addDescriptionToDelete(description.getUuid(), deleteConfig);

    public static String CharacterMatrix_ONLY_REMOVE;

    public static String CharacterMatrix_DELETE_DESCRIPTION;

CharacterMatrix_ONLY_REMOVE=Only remove from descriptive dataset

CharacterMatrix_DELETE_DESCRIPTION=Do you really want to delete the description

CharacterMatrix_ONLY_REMOVE=Nur aus Descriptive Data Set entfernen

CharacterMatrix_DELETE_DESCRIPTION=Wollen Sie die Beschreibung wirklich l?schen?

DeleteDescriptiveDataSetHandler_DELETE_SELECTION=W?hlen Sie welche Beschreibungen komplett gel?scht werden sollen (nicht ausgew?hlte Beschreibungen verbleiben in der Datenbank und verkn?pft mit ihrem Beleg/Taxon)

    public static String DeleteConfiguration_descriptiveDataSet_deleteSelection;

    public static String DeleteConfiguration_descriptionFromDescriptiveDataSet_onlyRemove;

DeleteConfiguration_descriptiveDataSet_deleteSelection=Fully delete the following related descriptions\nUnchecked descriptions stay in the database attached to their taxa/specimens:

DeleteConfiguration_descriptionFromDescriptiveDataSet_onlyRemove=Remove description only from descriptive dataset

DeleteConfiguration_descriptiveDataSet_deleteAllAggregatedDesc=Aggregierte Beschreibungen 

DeleteConfiguration_descriptiveDataSet_deleteSelection=W?hlen Sie welche Beschreibungen komplett gel?scht werden sollen\nNicht ausgew?hlte Beschreibungen verbleiben in der Datenbank und verkn?pft mit ihrem Beleg/Taxon:

DeleteConfiguration_descriptionFromDescriptiveDataSet_onlyRemove=Entferne Beschriebungen nur aus dem Descriptive Dataset

import eu.etaxonomy.cdm.api.service.config.RemoveDescriptionsFromDescriptiveDataSetConfigurator;

        }else if(configurator instanceof RemoveDescriptionsFromDescriptiveDataSetConfigurator){

            composite.addConfiguratorComposite(new DeleteDescriptionFromDescriptiveDatasetConfiguratorComposite((RemoveDescriptionsFromDescriptiveDataSetConfigurator) configurator, composite.getSectionConfigure(), SWT.NONE));

/**

* Copyright (C) 2020 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.taxeditor.ui.dialog.configurator.deleteConfigurator;

import org.eclipse.core.databinding.DataBindingContext;

import org.eclipse.core.databinding.beans.PojoProperties;

import org.eclipse.core.databinding.observable.value.IObservableValue;

import org.eclipse.jface.databinding.swt.WidgetProperties;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.DisposeEvent;

import org.eclipse.swt.events.DisposeListener;

import org.eclipse.swt.layout.RowLayout;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Display;

import org.eclipse.ui.forms.widgets.FormToolkit;

import eu.etaxonomy.cdm.api.service.config.RemoveDescriptionsFromDescriptiveDataSetConfigurator;

import eu.etaxonomy.taxeditor.l10n.Messages;

/**

 * @author k.luther

 * @since Jun 19, 2020

 */

public class DeleteDescriptionFromDescriptiveDatasetConfiguratorComposite extends Composite{

    private final DataBindingContext m_bindingContext;

    private final FormToolkit toolkit = new FormToolkit(Display.getCurrent());

    private final RemoveDescriptionsFromDescriptiveDataSetConfigurator configurator;

    private Button btnOnlyRemoveFromDataset;

    public DeleteDescriptionFromDescriptiveDatasetConfiguratorComposite(RemoveDescriptionsFromDescriptiveDataSetConfigurator configurator, Composite parent, int style) {

        super(parent, style);

        this.configurator = configurator;

        addDisposeListener(new DisposeListener() {

            @Override

            public void widgetDisposed(DisposeEvent e) {

                toolkit.dispose();

            }

        });

        toolkit.paintBordersFor(this);

        setLayout(new RowLayout(SWT.VERTICAL));

        setBackground(getBackground());

        btnOnlyRemoveFromDataset = new Button(this, SWT.CHECK);

        btnOnlyRemoveFromDataset.setText(Messages.DeleteConfiguration_descriptionFromDescriptiveDataSet_onlyRemove);

        btnOnlyRemoveFromDataset.setEnabled(true);

        btnOnlyRemoveFromDataset.setSelection(configurator.isOnlyRemoveDescriptionsFromDataSet());

        m_bindingContext = initDataBindings();

    }

    protected DataBindingContext initDataBindings() {

        DataBindingContext bindingContext = new DataBindingContext();

        IObservableValue observeSelectionBtnDeleteAllSpecimen = WidgetProperties.selection().observe(btnOnlyRemoveFromDataset);

        IObservableValue deleteAllSpecimenConfiguratorObserveValue = PojoProperties.value("onlyRemoveDescriptionsFromDataSet").observe(configurator);

        bindingContext.bindValue(observeSelectionBtnDeleteAllSpecimen, deleteAllSpecimenConfiguratorObserveValue, null, null);

        return bindingContext;

    }

}

import org.eclipse.swt.widgets.Label;

        Label lblDelete = new Label(this, SWT.NONE);

        lblDelete.setText(Messages.DeleteConfiguration_descriptiveDataSet_deleteSelection);