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/**
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* Copyright (C) 2017 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.vaadin.event;
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import com.vaadin.data.Property.ValueChangeEvent;
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import com.vaadin.ui.Field;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.persistence.hibernate.permission.CRUD;
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import eu.etaxonomy.cdm.service.UserHelperAccess;
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import eu.etaxonomy.vaadin.component.ToOneRelatedEntityField;
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/**
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* @author a.kohlbecker
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* @since 19.10.2017
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*
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*/
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public class ToOneRelatedEntityButtonUpdater<CDM extends CdmBase> implements NestedButtonStateUpdater<CDM> {
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private static final long serialVersionUID = 4472031263172275012L;
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ToOneRelatedEntityField<CDM> toOneRelatedEntityField;
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private Class<? extends CDM> type;
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public ToOneRelatedEntityButtonUpdater(ToOneRelatedEntityField<CDM> toOneRelatedEntityField){
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this.toOneRelatedEntityField = toOneRelatedEntityField;
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this.type = toOneRelatedEntityField.getType();
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updateButtons(((Field<CDM>)toOneRelatedEntityField).getValue());
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toOneRelatedEntityField.setEditButtonEnabled(false);
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void valueChange(ValueChangeEvent event) {
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CDM value = (CDM)event.getProperty().getValue();
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updateButtons(value);
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}
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/**
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* @param value
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*/
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@Override
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public void updateButtons(CDM value) {
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boolean userIsAllowedToUpdate = value != null && UserHelperAccess.userHelper().userHasPermission(value, CRUD.UPDATE);
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boolean userIsAllowedToCreate = UserHelperAccess.userHelper().userHasPermission(type, CRUD.CREATE);
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boolean isReadOnlyField = ((Field)toOneRelatedEntityField).isReadOnly();
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toOneRelatedEntityField.setAddButtonEnabled(!isReadOnlyField && userIsAllowedToCreate);
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toOneRelatedEntityField.setEditButtonEnabled(!isReadOnlyField && userIsAllowedToUpdate);
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}
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}
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