EDIT

package eu.etaxonomy.taxeditor.editor.view.derivate.handler;

import java.util.ArrayList;

import java.util.Collection;

import java.util.List;

import java.util.UUID;

import org.eclipse.core.commands.ExecutionEvent;

import org.eclipse.ui.PartInitException;

import eu.etaxonomy.cdm.api.service.IOccurrenceService;

import eu.etaxonomy.cdm.api.service.ITaxonNodeService;

import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;

import eu.etaxonomy.cdm.model.taxon.TaxonNode;

import eu.etaxonomy.taxeditor.editor.EditorUtil;

import eu.etaxonomy.taxeditor.editor.handler.OpenDerivateViewHandler;

import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateViewEditorInput;

import eu.etaxonomy.taxeditor.handler.defaultHandler.DefaultOpenHandlerBase;

import eu.etaxonomy.taxeditor.model.MessagingUtils;

import eu.etaxonomy.taxeditor.store.CdmStore;

public class OpenDerivativeEditorForTaxonNode extends DefaultOpenHandlerBase<TaxonNode> {

    @Override

    protected TaxonNode getEntity(UUID uuid) {

        return CdmStore.getService(ITaxonNodeService.class).load(uuid);

    }

    @Override

    protected void open(ExecutionEvent event, TaxonNode entity) {

        List<SpecimenOrObservationBase> specimens = CdmStore.getService(IOccurrenceService.class).listByAssociatedTaxon(SpecimenOrObservationBase.class, null, entity.getTaxon(), null, null, null, null, null);

        Collection<UUID> specimenUuids = new ArrayList<UUID>();

        for (SpecimenOrObservationBase specimenOrObservationBase : specimens) {

            specimenUuids.add(specimenOrObservationBase.getUuid());

        }

        try {

            EditorUtil.open(new DerivateViewEditorInput(specimenUuids));

        } catch (PartInitException e) {

            MessagingUtils.error(OpenDerivateViewHandler.class, "Derivative Editor could not be opened", e);

        }

    }

}