/*
 * Copyright (C) 2012 eXo Platform SAS.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.crsh.text.ui;

import org.crsh.text.LineRenderer;

import java.util.ArrayList;
import java.util.List;

public class TreeElement extends Element {

  /** An optional value element. */
  Element value;

  /** . */
  final List<Element> children = new ArrayList<Element>();

  public TreeElement() {
    this((Element)null);
  }

  public TreeElement(Element value) {
    this.value = value;
  }

  public TreeElement(String value) {
    this.value = new LabelElement(value);
  }

  public TreeElement addChild(Element child) {
    children.add(child);
    return this;
  }

  public int getSize() {
    return children.size();
  }

  public Element getValue() {
    return value;
  }

  public Element getNode(int index) {
    return children.get(index);
  }

  @Override
  public LineRenderer renderer() {
    return new TreeLineRenderer(this);
  }
}