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package eu.etaxonomy.cdm.vaadin.container;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.Set;
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import com.vaadin.data.util.BeanItemContainer;
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import com.vaadin.server.VaadinSession;
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import eu.etaxonomy.cdm.model.common.TermType;
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import eu.etaxonomy.cdm.model.description.PresenceAbsenceTerm;
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import eu.etaxonomy.cdm.vaadin.util.CdmSpringContextHelper;
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import eu.etaxonomy.cdm.vaadin.util.DistributionEditorUtil;
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import eu.etaxonomy.cdm.vaadin.util.TermCacher;
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public class PresenceAbsenceTermContainer extends BeanItemContainer<PresenceAbsenceTerm> {
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private static final long serialVersionUID = -7891310979870159325L;
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private static PresenceAbsenceTermContainer instance;
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private static Collection<PresenceAbsenceTerm> defaultDistributionStatus;
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private PresenceAbsenceTermContainer()
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throws IllegalArgumentException {
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super(PresenceAbsenceTerm.class);
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initDataModel();
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}
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private void initDataModel() {
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Collection<PresenceAbsenceTerm> distributionStatus = new HashSet<>();
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distributionStatus = CdmSpringContextHelper.getTermService().listByTermType(TermType.PresenceAbsenceTerm, null, null, null, null);
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defaultDistributionStatus = distributionStatus;
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TermCacher termCacher = TermCacher.getInstance();
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addAll(distributionStatus);
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for (PresenceAbsenceTerm presenceAbsenceTerm : distributionStatus) {
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termCacher.addPresenceAbsenceTerm(presenceAbsenceTerm);
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}
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}
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public static PresenceAbsenceTermContainer getInstance(){
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if(instance==null){
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instance = new PresenceAbsenceTermContainer();
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}
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Collection<PresenceAbsenceTerm> distributionStatus = new HashSet<>();
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Object attribute = VaadinSession.getCurrent().getAttribute(DistributionEditorUtil.SATTR_DISTRIBUTION_STATUS);
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if(attribute!=null){
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distributionStatus = (Set<PresenceAbsenceTerm>) attribute;
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}
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if(!distributionStatus.isEmpty() && !distributionStatus.equals(defaultDistributionStatus)){
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instance.removeAllItems();
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instance.addAll(distributionStatus);
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defaultDistributionStatus = distributionStatus;
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}
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return instance;
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}
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}
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