001 /*
002 * Copyright (C) 2012 eXo Platform SAS.
003 *
004 * This is free software; you can redistribute it and/or modify it
005 * under the terms of the GNU Lesser General Public License as
006 * published by the Free Software Foundation; either version 2.1 of
007 * the License, or (at your option) any later version.
008 *
009 * This software is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * You should have received a copy of the GNU Lesser General Public
015 * License along with this software; if not, write to the Free
016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
018 */
019
020 package org.crsh.text.ui;
021
022 import org.crsh.text.Renderer;
023
024 import java.util.ArrayList;
025 import java.util.List;
026
027 public class TreeElement extends Element {
028
029 /** An optional value element. */
030 Element value;
031
032 /** . */
033 final List<Element> children = new ArrayList<Element>();
034
035 public TreeElement() {
036 this(null);
037 }
038
039 public TreeElement(Element value) {
040 this.value = value;
041 }
042
043 public TreeElement addChild(Element child) {
044 children.add(child);
045 return this;
046 }
047
048 public int getSize() {
049 return children.size();
050 }
051
052 public Element getValue() {
053 return value;
054 }
055
056 public Element getNode(int index) {
057 return children.get(index);
058 }
059
060 @Override
061 public Renderer renderer() {
062 return new TreeRenderer(this);
063 }
064 }