EDIT

/**

* Copyright (C) 2017 EDIT

* European Distributed Institute of Taxonomy

/**

 * @author pplitzner

 * @date 05.09.2017

 */

public class TaxonTreeNodeContentProvider implements ITreeContentProvider {

    private ITaxonNodeService taxonNodeService;

    @Override

    public Object[] getElements(Object inputElement) {

        if(inputElement instanceof Collection){

        return this.getChildren(inputElement);

    }

    @Override

    public Object[] getChildren(Object parentElement) {

        if (taxonNodeService == null){

        return children != null ? children : NO_CHILDREN;

    }

    @Override

    public Object getParent(Object element) {

        if (taxonNodeService == null){

        return null;

    }

    @Override

    public boolean hasChildren(Object element) {

        if(element instanceof TaxonNode){

        }

        return this.getChildren(element).length > 0;

    }

}