001 /* 002 * Copyright (C) 2010 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.shell.ui; 021 022 import groovy.util.BuilderSupport; 023 024 import java.util.ArrayList; 025 import java.util.List; 026 import java.util.Map; 027 028 /** 029 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> 030 * @version $Revision$ 031 */ 032 public class UIBuilder extends BuilderSupport { 033 034 /** . */ 035 private final List<Element> elements; 036 037 public UIBuilder() { 038 this.elements = new ArrayList<Element>(); 039 } 040 041 public List<Element> getElements() { 042 return elements; 043 } 044 045 @Override 046 protected Object createNode(Object name) { 047 return createNode(name, (Object)null); 048 } 049 050 @Override 051 protected Object createNode(Object name, Object value) { 052 if ("node".equals(name)) { 053 if (value == null) { 054 return new TreeElement(); 055 } else { 056 return new TreeElement(new LabelElement(value)); 057 } 058 } else if ("label".equals(name)) { 059 return new LabelElement(value); 060 } else { 061 throw new UnsupportedOperationException("Cannot build object with name " + name + " and value " + value); 062 } 063 } 064 065 @Override 066 protected Object createNode(Object name, Map attributes, Object value) { 067 throw new UnsupportedOperationException(); 068 } 069 070 @Override 071 protected Object createNode(Object name, Map attributes) { 072 throw new UnsupportedOperationException(); 073 } 074 075 @Override 076 protected void setParent(Object parent, Object child) { 077 if (parent instanceof TreeElement) { 078 TreeElement parentElement = (TreeElement)parent; 079 Element childElement = (Element)child; 080 parentElement.addNode(childElement); 081 } else { 082 throw new UnsupportedOperationException(); 083 } 084 } 085 086 @Override 087 protected void nodeCompleted(Object parent, Object child) { 088 if (parent == null) { 089 elements.add((Element)child); 090 } 091 super.nodeCompleted(parent, child); 092 } 093 }