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/**
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* Copyright (C) 2018 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.preference.wizard;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.SortedSet;
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import eu.etaxonomy.cdm.model.common.DefinedTermBase;
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import eu.etaxonomy.cdm.model.common.TermVocabulary;
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import eu.etaxonomy.taxeditor.editor.definedterm.TermContentProvider;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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/**
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* @author k.luther
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* @since 04.10.2018
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*
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*/
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public class DistributionContentProvider extends TermContentProvider {
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/* (non-Javadoc)
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* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
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*/
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@Override
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public Object[] getChildren(Object parentElement) {
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Set<NamedAreaWrapper> allChildrenWrapper = new HashSet();
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if(parentElement instanceof TermVocabulary){
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return getTopLevelElements((TermVocabulary)parentElement);
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} else if (parentElement instanceof NamedAreaWrapper && !((NamedAreaWrapper)parentElement).isBaseElement) {
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NamedAreaWrapper wrapper = (NamedAreaWrapper)parentElement;
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if (wrapper.children == null){
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DefinedTermBase term = wrapper.getNamedArea();
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Set<DefinedTermBase> includes = term.getIncludes();
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for (DefinedTermBase termBase: includes){
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allChildrenWrapper.add(new NamedAreaWrapper(termBase, false, wrapper));
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}
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Set<DefinedTermBase> generalizationOfs = term.getGeneralizationOf();
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for (DefinedTermBase termBase: generalizationOfs){
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allChildrenWrapper.add(new NamedAreaWrapper(termBase, false, wrapper));
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}
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if(allChildrenWrapper.size()>0){
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allChildrenWrapper.add(new NamedAreaWrapper(term, true, wrapper));
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}
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wrapper.children = allChildrenWrapper;
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return allChildrenWrapper.toArray();
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}else{
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return wrapper.children.toArray();
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}
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}
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return null;
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}
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/**
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*
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* @param vocabulary
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* @return An array of DefinedTermBase objects that do not have parents
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*
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* TODO: Needs to be implemented in cdmlib
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*/
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private Object[] getTopLevelElements(TermVocabulary vocabulary) {
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SortedSet<DefinedTermBase> terms = vocabulary.getTermsOrderedByLabels(CdmStore.getDefaultLanguage());
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Set<NamedAreaWrapper> topLevelTerms = new HashSet();
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NamedAreaWrapper wrapper;
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for (DefinedTermBase term : terms){
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if (term.getPartOf() == null && term.getKindOf() == null){
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wrapper = new NamedAreaWrapper(term, false, vocabulary);
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topLevelTerms.add(wrapper);
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}
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}
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return topLevelTerms.toArray();
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
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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 NamedAreaWrapper){
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if (((NamedAreaWrapper)element).parent!= null){
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return ((NamedAreaWrapper)element).parent;
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}else{
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NamedAreaWrapper child = (NamedAreaWrapper)element;
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DefinedTermBase parent = child.getNamedArea().getKindOf();
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if (parent == null){
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return child.getNamedArea().getVocabulary();
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}
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return new NamedAreaWrapper(parent, false, null);
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}
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}
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return null;
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
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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 TermVocabulary){
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if (((TermVocabulary)element).getTerms() != null){
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return((TermVocabulary)element).getTerms().size()>0;
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}else{
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return false;
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}
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}else if (element instanceof DefinedTermBase){
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boolean hasChildren = false;
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if (((DefinedTermBase)element).getGeneralizationOf()!= null){
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if (((DefinedTermBase)element).getGeneralizationOf().size()>0){
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return true;
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}
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}
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if (((DefinedTermBase)element).getIncludes()!= null){
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if (((DefinedTermBase)element).getIncludes().size()>0){
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return true;
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}
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}
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return false;
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}else if (element instanceof NamedAreaWrapper){
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NamedAreaWrapper wrapper = (NamedAreaWrapper)element;
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if (wrapper.isBaseElement){
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return false;
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}
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if (wrapper.getNamedArea().getGeneralizationOf()!= null){
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if (wrapper.getNamedArea().getGeneralizationOf().size()>0){
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return true;
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}
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}
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if (wrapper.getNamedArea().getIncludes()!= null){
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if (wrapper.getNamedArea().getIncludes().size()>0){
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return true;
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}
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}
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return false;
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}
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return false;
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}
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}
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