EDIT

package eu.etaxonomy.taxeditor.handler.defaultHandler.e4;

import org.eclipse.e4.ui.workbench.modeling.EPartService;

import org.eclipse.jface.viewers.IStructuredSelection;

import org.eclipse.jface.wizard.WizardDialog;

import org.eclipse.swt.widgets.Shell;

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

import eu.etaxonomy.cdm.persistence.dto.TaxonNodeDto;

import eu.etaxonomy.taxeditor.newWizard.NewClassificationWizard;

import eu.etaxonomy.taxeditor.store.CdmStore;

public class DefaultOpenClassificationWizardHandlerE4 extends DefaultOpenHandlerBaseE4<TaxonNodeDto> {

//    @Override

//    protected TaxonNode getEntity(UUID uuid) {

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

//    }

    @Override

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

        NewClassificationWizard classificationWizard = new NewClassificationWizard();

        classificationWizard.init(null, null);

        classificationWizard.setEntity(CdmStore.getService(IClassificationService.class).load(entity.getClassificationUUID()));

        WizardDialog dialog = new WizardDialog(shell, classificationWizard);

        dialog.open();

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected boolean canExecute(IStructuredSelection entity) {

        return true;

//      return entity.getClassification().getRootNode().equals(entity);

    }

}