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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.data.Property.ValueChangeListener;
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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.vaadin.security.UserHelper;
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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 ValueChangeListener {
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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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}
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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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CdmBase value = (CdmBase)event.getProperty().getValue();
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boolean userIsAllowedToUpdate = value != null && UserHelper.fromSession().userHasPermission(value, CRUD.UPDATE);
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boolean userIsAllowedToCreate = UserHelper.fromSession().userHasPermission(type, CRUD.CREATE);
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toOneRelatedEntityField.setAddButtonEnabled(userIsAllowedToCreate);
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toOneRelatedEntityField.setEditButtonEnabled(userIsAllowedToUpdate);
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}
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}
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