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// $Id$
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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.taxeditor.navigation.navigator.e4;
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import java.util.List;
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import org.eclipse.jface.viewers.ITreeContentProvider;
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import eu.etaxonomy.cdm.hibernate.HHH_9751_Util;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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import eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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import eu.etaxonomy.taxeditor.navigation.navigator.Root;
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/**
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* @author pplitzner
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* @date 05.09.2017
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*
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*/
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public class TaxonNavigatorContentProviderE4 implements ITreeContentProvider {
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private static final Object[] NO_CHILDREN = new Object[0];
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/**
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* {@inheritDoc}
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*/
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@Override
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public Object[] getElements(Object inputElement) {
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return this.getChildren(inputElement);
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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 Object[] getChildren(Object parentElement) {
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Object[] children = null;
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if (parentElement instanceof Root) {
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children = ((Root) parentElement).getParentBeans().toArray();
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}else if(parentElement instanceof Classification){
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children = ((Classification) parentElement).getChildNodes().toArray();
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}
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//FIXME E4 show synonym in navigator?
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// //synonym
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// if (parentElement instanceof Synonym) {
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// children = NO_CHILDREN;
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// } else if (parentElement instanceof TaxonNode) {
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// List<TaxonBase> list = new ArrayList<TaxonBase>();
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//
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// Taxon taxon = ((TaxonNode) parentElement).getTaxon();
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//
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// for (TaxonBase taxonBase : new IterableSynonymyList(taxon)) {
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// if (taxonBase instanceof Synonym) {
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// list.add(taxonBase);
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// }
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// }
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// children = list.toArray();
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// }
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//taxon node
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if(parentElement instanceof ITaxonTreeNode){
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ITaxonTreeNode treeNode = (ITaxonTreeNode) HibernateProxyHelper.deproxy(parentElement);
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List<TaxonNode> childrenSet = treeNode.getChildNodes();
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HHH_9751_Util.removeAllNull(childrenSet);
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children = childrenSet.toArray();
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}
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return children != null ? children : NO_CHILDREN;
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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 Object getParent(Object element) {
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if(element instanceof TaxonNode){
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return ((TaxonNode) element).getParent();
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}
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return null;
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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 boolean hasChildren(Object element) {
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if(element instanceof TaxonNode){
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return ((TaxonNode) element).getCountChildren() > 0;
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}
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return this.getChildren(element).length > 0;
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}
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}
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