EDIT

// $Id$

/**

* Copyright (C) 2017 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.taxeditor.editor.workingSet;

import java.util.Collections;

import org.bgbm.prometheus.xml.TreeNode;

import org.eclipse.jface.viewers.ITreeContentProvider;

/**

 * @author pplitzner

 * @date 24.05.2017

 *

 */

public class StructureContenProvider implements ITreeContentProvider {

    private TreeNode rootStructure;

    private FeatureTreeBuilderViewPart part;

    public StructureContenProvider(FeatureTreeBuilderViewPart part) {

        this.part = part;

        rootStructure = part.getOntology().getONTOLOGYDETAILSBody().getONTOLOGYTREE().getTreeNode();

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public Object[] getElements(Object inputElement) {

        return Collections.singleton(rootStructure).toArray();

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public Object[] getChildren(Object parentElement) {

        TreeNode node = (TreeNode) parentElement;

        return node.getTreeNode().toArray();

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public Object getParent(Object element) {

        return null;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public boolean hasChildren(Object element) {

        return !((TreeNode) element).getTreeNode().isEmpty();

    }

}