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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.Arrays;
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import java.util.List;
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import com.vaadin.data.Item;
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import com.vaadin.data.util.HierarchicalContainer;
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import eu.etaxonomy.cdm.api.service.IClassificationService;
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import eu.etaxonomy.cdm.model.name.Rank;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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import eu.etaxonomy.cdm.vaadin.util.CdmSpringContextHelper;
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public class TaxonNodeContainer extends HierarchicalContainer {
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private static final long serialVersionUID = 102401340698963360L;
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public static final String LABEL = "label";
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/**
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* Creates a new taxon node container
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* @param parentNode the parent node which will <b>not</b> be included
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* in the result but only its child nodes
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*/
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public TaxonNodeContainer(TaxonNode parentNode) {
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addContainerProperty(LABEL, String.class, "[no taxon]");
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getTaxonNodeList(parentNode);
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}
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public void getTaxonNodeList(TaxonNode parentNode) {
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List<TaxonNode> nodes = new ArrayList<TaxonNode>();
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List<String> nodeInitStrategy = Arrays.asList(new String[]{
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"taxon.sec",
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"taxon.name",
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"classification"
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});
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if(parentNode==null){
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//just load classifications
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IClassificationService classificationService = CdmSpringContextHelper.getClassificationService();
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List<Classification> classificationList = classificationService.listClassifications(null, null, null, nodeInitStrategy);
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for (Classification classification : classificationList) {
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TaxonNode rootNode = classification.getRootNode();
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Item item = addItem(rootNode);
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setChildrenAllowed(rootNode, false);
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nodes.add(rootNode);
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if(rootNode.getClassification()!=null){
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item.getItemProperty(LABEL).setValue(rootNode.getClassification().getName().getText());
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}
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}
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}
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else{
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//load child nodes
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addChildNodes(parentNode);
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}
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}
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private void addChildNodes(TaxonNode parentNode) {
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List<TaxonNode> childNodes = parentNode.getChildNodes();
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setChildrenAllowed(parentNode, !childNodes.isEmpty());
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boolean hasValidChildren = false;
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for (TaxonNode taxonNode : childNodes) {
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if(taxonNode!=null && taxonNode.getTaxon()!=null && taxonNode.getTaxon().getName()!=null){
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Rank rank = taxonNode.getTaxon().getName().getRank();
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if(rank!=null && rank.isHigher(Rank.SPECIES())){
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Item item = addItem(taxonNode);
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setParent(taxonNode, parentNode);
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if(taxonNode.getTaxon()!=null){
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item.getItemProperty(LABEL).setValue(taxonNode.getTaxon().getName().getTitleCache());
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}
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else if(taxonNode.getClassification()!=null){
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item.getItemProperty(LABEL).setValue(taxonNode.getClassification().getName().getText());
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}
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hasValidChildren = true;
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addChildNodes(taxonNode);
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}
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}
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}
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setChildrenAllowed(parentNode, hasValidChildren);
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}
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}
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