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.LineRenderer; 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((Element)null); 037 } 038 039 public TreeElement(Element value) { 040 this.value = value; 041 } 042 043 public TreeElement(String value) { 044 this.value = new LabelElement(value); 045 } 046 047 public TreeElement addChild(Element child) { 048 children.add(child); 049 return this; 050 } 051 052 public int getSize() { 053 return children.size(); 054 } 055 056 public Element getValue() { 057 return value; 058 } 059 060 public Element getNode(int index) { 061 return children.get(index); 062 } 063 064 @Override 065 public LineRenderer renderer() { 066 return new TreeLineRenderer(this); 067 } 068 }