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package eu.etaxonomy.cdm.vaadin.container;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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import com.vaadin.data.util.BeanItemContainer;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.common.OrderedTermVocabulary;
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import eu.etaxonomy.cdm.model.common.TermVocabulary;
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import eu.etaxonomy.cdm.model.location.NamedArea;
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/**
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* A container containing the {@link NamedArea}s of a specified {@link TermVocabulary}.
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* @author fabreim
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* @since May 17, 2018
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*/
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public class NamedAreaContainer extends BeanItemContainer<NamedArea> {
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private static final long serialVersionUID = 9150424479597481361L;
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/**
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* Creates a NamedAreaContainer containing all {@link NamedArea}s of the given {@code vocabulary}
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* in alphabetically ascending order.
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* @param vocabulary The vocabulary containing the {@link NamedArea}s to populate the container with.
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* @throws IllegalArgumentException
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*/
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public NamedAreaContainer(TermVocabulary<NamedArea> vocabulary)
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throws IllegalArgumentException {
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super(NamedArea.class);
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List<NamedArea> namedAreas;
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if (vocabulary.isInstanceOf(OrderedTermVocabulary.class)) {
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OrderedTermVocabulary orderedVoc = CdmBase.deproxy(vocabulary, OrderedTermVocabulary.class);
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namedAreas = new ArrayList<>(orderedVoc.getOrderedTerms());
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Collections.reverse(namedAreas);
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}else {
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namedAreas = new ArrayList<>(vocabulary.getTerms());
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Collections.sort(namedAreas, new AlphabeticallyAscendingNamedAreaComparator());
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}
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for (NamedArea namedArea: namedAreas) {
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addBean(namedArea);
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}
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}
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/**
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* Comparator to sort the {@link NamedArea}s contained in {@link NamedAreaContainer}s.
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*
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*/
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private class AlphabeticallyAscendingNamedAreaComparator implements Comparator<NamedArea>{
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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 int compare(NamedArea o1, NamedArea o2) {
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return o2.compareTo(o1);
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}
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}
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}
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