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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 org.eclipse.core.expressions.PropertyTester;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.common.DefinedTermBase;
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import eu.etaxonomy.cdm.model.common.Marker;
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import eu.etaxonomy.cdm.model.common.MarkerType;
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import eu.etaxonomy.cdm.model.common.TermBase;
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import eu.etaxonomy.cdm.model.common.TermVocabulary;
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/**
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* @author l.morris
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* @date 9 Jan 2012
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*
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*/
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public class TermBasePropertyTester extends PropertyTester {
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private static final String IS_MODIFIABLE = "isModifiable";
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/* (non-Javadoc)
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* @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Object)
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*/
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@Override
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public boolean test(Object receiver, String property, Object[] args,
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Object expectedValue) {
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IStructuredSelection selection = (IStructuredSelection) receiver;
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Object selectedElement = selection.getFirstElement();
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if (selectedElement != null && HibernateProxyHelper.isInstanceOf(selectedElement, TermBase.class)){
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TermBase term = HibernateProxyHelper.deproxy(selectedElement, TermBase.class);
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if(IS_MODIFIABLE.equals(property)){
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return isModifiable(term);
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}
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}
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return false;
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}
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/**
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* Checks whether there is a {@link Marker} with the type {@link MarkerType#MODIFIABLE()} and if there is then return its value.
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*
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* @return The markers value if it exists
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*/
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public static boolean isModifiable(TermBase termBase) {
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if (termBase == null){
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return true;
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}
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TermVocabulary vocabulary = null;
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if(termBase instanceof DefinedTermBase){
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vocabulary = ((DefinedTermBase) termBase).getVocabulary();
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}else if(termBase instanceof TermVocabulary){
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vocabulary = (TermVocabulary) termBase;
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}
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if(vocabulary == null){
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return true;
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}
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for(Marker vocabularyMarker : vocabulary.getMarkers()){
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if(vocabularyMarker.getMarkerType().equals(MarkerType.MODIFIABLE())){
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return vocabularyMarker.getValue();
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}
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}
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return true;
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}
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}
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