EDIT

package eu.etaxonomy.taxeditor.ui.section.agent;

import java.util.Arrays;

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

        toggleable_cache = formFactory.createToggleableTextField(formElement, "Title Cache", entity.getTitleCache(), entity.isProtectedTitleCache(), style);

        toggleable_nomenclaturalTitleCache = formFactory.createToggleableTextField(formElement, "Abbrev. Title", entity.getNomenclaturalTitle(), entity.isProtectedNomenclaturalTitleCache(), style);

        section_teamMembers = formFactory.createTeamMemberSection(getConversationHolder(), formElement, ExpandableComposite.EXPANDED);

        section_teamMembers.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));

    }

	@Override

	protected void updateContent() {

		super.updateContent();

		toggleable_cache.setEnabled(getEntity().isProtectedTitleCache());

		toggleable_nomenclaturalTitleCache.setEnabled(getEntity()

				.isProtectedNomenclaturalTitleCache());

				toggleable_cache.getState(),

				Arrays.asList(new Object[] { toggleable_cache,

						toggleable_nomenclaturalTitleCache , hasAdditionalMembers}));

		section_teamMembers.setEntity(getEntity());

	}

	public void handleEvent(Object eventSource) {

		if (eventSource == toggleable_cache) {

			handleToggleableCacheField();

		} else if (eventSource == toggleable_nomenclaturalTitleCache) {

			updateToggleable_nomanclaturalTitleCacheField();

			setIrrelevant(

		firePropertyChangeEvent(new CdmPropertyChangeEvent(this, null));

	}

	public void updateToggleable_nomanclaturalTitleCacheField() {

        if (!getEntity().isProtectedNomenclaturalTitleCache()) {

            toggleable_nomenclaturalTitleCache.setText(getEntity().getNomenclaturalTitle());