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/**
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* Copyright (C) 2016 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.key.polytomous;
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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.model.description.PolytomousKeyNode;
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/**
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* @author k.luther
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* @date 23.11.2016
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*
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*/
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public class PolytomousKeyPropertyTester extends PropertyTester {
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private static final String KEYNODE = "isKeyNode"; //$NON-NLS-1$
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
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if(receiver instanceof IStructuredSelection){
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IStructuredSelection selection = (IStructuredSelection) receiver;
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Object selectedElement = selection.getFirstElement();
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if(KEYNODE.equals(property)){
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return isKeyNode(selectedElement);
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}
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}
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return false;
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}
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private boolean isKeyNode(Object selectedElement) {
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return (selectedElement instanceof PolytomousKeyNode) ? true : false;
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}
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}
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