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.e4.ui.workbench.modeling.EPartService;

import org.eclipse.swt.widgets.Shell;

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

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

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

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

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

import eu.etaxonomy.taxeditor.editor.AppModelId;

import eu.etaxonomy.taxeditor.editor.EditorUtil;

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

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

import eu.etaxonomy.taxeditor.handler.defaultHandler.e4.DefaultOpenHandlerBaseE4;

import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;

import eu.etaxonomy.taxeditor.preference.PreferencesUtil;

import eu.etaxonomy.taxeditor.store.CdmStore;

public class OpenDerivativeEditorForTaxonNode extends DefaultOpenHandlerBaseE4<TaxonNode> {

    protected static final String OPEN_DERIVATIVE_EDITOR_FOR_TAXON_NODE_COULD_NOT_OPEN = Messages.OpenDerivativeEditorForTaxonNode_COULD_NOT_OPEN;

    @Override

    protected TaxonNode getEntity(UUID uuid) {

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

    }

    @Override

    protected void open(TaxonNode entity, Shell shell, EPartService partService) {

        FindOccurrencesConfigurator config = new FindOccurrencesConfigurator();

        UUID taxonUuid = entity.getTaxon().getUuid();

        config.setAssociatedTaxonUuid(taxonUuid);

        List<SpecimenOrObservationBase> specimens = CdmStore.getService(IOccurrenceService.class).findByTitle(config).getRecords();

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

        for (SpecimenOrObservationBase specimenOrObservationBase : specimens) {

            specimenUuids.add(specimenOrObservationBase.getUuid());

        }

        DerivateViewEditorInput input = new DerivateViewEditorInput(specimenUuids, taxonUuid);

        EditorUtil.openSpecimenEditor(input, modelService, partService, application);

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected boolean canExecute(TaxonNode entity) {

        return (entity.getTaxon()!=null && PreferencesUtil.getBooleanValue(IPreferenceKeys.SHOW_SPECIMEN));

    }

    @Override

    protected String getPartId() {

        return AppModelId.PARTDESCRIPTOR_EU_ETAXONOMY_TAXEDITOR_EDITOR_VIEW_DERIVATE_DERIVATEVIEW;

    }

}