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.Renderable;
023 import org.crsh.text.Renderer;
024
025 import java.util.Iterator;
026 import java.util.LinkedList;
027
028 public class ElementRenderable extends Renderable<Element> {
029
030 @Override
031 public Class<Element> getType() {
032 return Element.class;
033 }
034
035 @Override
036 public Renderer renderer(Iterator<Element> stream) {
037 if (stream.hasNext()) {
038 Element element = stream.next();
039 if (stream.hasNext()) {
040 LinkedList<Renderer> renderers = new LinkedList<Renderer>();
041 renderers.add(element.renderer());
042 while (stream.hasNext()) {
043 element = stream.next();
044 renderers.add(element.renderer());
045 }
046 return Renderer.vertical(renderers);
047 } else {
048 return element.renderer();
049 }
050 } else {
051 throw new UnsupportedOperationException("todo");
052 }
053 }
054 }