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/**
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* Copyright (C) 2009 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.editor.definedterm;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import org.eclipse.jface.viewers.TreeNodeContentProvider;
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import eu.etaxonomy.cdm.api.service.IVocabularyService;
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import eu.etaxonomy.cdm.persistence.dto.TermDto;
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import eu.etaxonomy.cdm.persistence.dto.TermVocabularyDto;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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/**
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*
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* @author pplitzner
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* @since Oct 29, 2018
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*
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*/
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public class TermDtoContentProvider extends TreeNodeContentProvider {
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private Map<TermVocabularyDto, Collection<TermDto>> vocabularyToChildTermMap = new HashMap<>();
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@Override
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public Object[] getElements(Object inputElement) {
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Collection<TermVocabularyDto> inputElements = (Collection<TermVocabularyDto>) inputElement;
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return inputElements.toArray();
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}
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@Override
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public Object[] getChildren(Object parentElement) {
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Collection<TermDto> children = new HashSet<>();
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if(parentElement instanceof TermVocabularyDto){
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children.addAll(getChildTerms((TermVocabularyDto)parentElement));
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} else if(parentElement instanceof TermDto){
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if(((TermDto) parentElement).getIncludes()!=null){
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children.addAll(((TermDto) parentElement).getIncludes());
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}
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if(((TermDto) parentElement).getGeneralizationOf()!=null){
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children.addAll(((TermDto) parentElement).getGeneralizationOf());
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}
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}
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return children.toArray();
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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 TermDto){
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TermDto termDto = (TermDto) element;
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TermDto partOfDto = termDto.getPartOfDto();
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if(partOfDto!=null){
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return partOfDto;
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}
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TermDto kindOfDto = termDto.getKindOfDto();
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if(kindOfDto!=null){
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return kindOfDto;
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}
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TermVocabularyDto vocabularyDto = termDto.getVocabularyDto();
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if(vocabularyDto!=null){
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return vocabularyDto;
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}
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//parent is the vocabulary
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return new TermVocabularyDto(termDto.getVocabularyUuid(), null, termDto.getTermType());
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}
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return null;
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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 TermVocabularyDto){
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return getChildren(element).length > 0;
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}
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if (getChildren(element) != null){
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return getChildren(element).length > 0;
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}
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return false;
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}
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public Collection<? extends TermDto> getChildTerms(TermVocabularyDto voc) {
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Collection<TermDto> children = vocabularyToChildTermMap.get(voc);
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if(children==null){
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children = new ArrayList<>(CdmStore.getService(IVocabularyService.class).getCompleteTermHierarchy(voc));
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vocabularyToChildTermMap.put(voc, children);
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}
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return children;
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}
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public void removeVocabularyFromCache(TermVocabularyDto voc){
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vocabularyToChildTermMap.remove(voc);
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}
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}
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