001 // This file is part of the Attempto Java Packages. 002 // Copyright 2008-2009, Attempto Group, University of Zurich (see http://attempto.ifi.uzh.ch). 003 // 004 // The Attempto Java Packages is free software: you can redistribute it and/or modify it under the 005 // terms of the GNU Lesser General Public License as published by the Free Software Foundation, 006 // either version 3 of the License, or (at your option) any later version. 007 // 008 // The Attempto Java Packages is distributed in the hope that it will be useful, but WITHOUT ANY 009 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 010 // PURPOSE. See the GNU Lesser General Public License for more details. 011 // 012 // You should have received a copy of the GNU Lesser General Public License along with the Attempto 013 // Java Packages. If not, see http://www.gnu.org/licenses/. 014 015 package ch.uzh.ifi.attempto.preditor.text; 016 017 import ch.uzh.ifi.attempto.chartparser.Terminal; 018 019 /** 020 * This class represents referenceable text elements that contain a noun. One can refer to such 021 * text elements with "the" plus the respective noun, e.g. "the customer" in the case of the noun 022 * "customer". If the text element is followed by a {@link VarTextElement} then the variable is 023 * also included in the reference text, e.g. "the customer X" if the variable has the name "X". 024 * 025 * @author Tobias Kuhn 026 */ 027 public class NounTextElement extends BasicTextElement implements RefableTextElement { 028 029 private VarTextElement varTextElement; 030 031 /** 032 * Creates a new noun text element. 033 * 034 * @param noun The noun. 035 * @param category The category. 036 */ 037 public NounTextElement(String noun, Terminal category) { 038 super(noun, category); 039 } 040 041 /** 042 * Creates a new noun text element. 043 * 044 * @param noun The noun. 045 * @param categoryName The name of the category. 046 */ 047 public NounTextElement(String noun, String categoryName) { 048 super(noun, categoryName); 049 } 050 051 public void checkNeighborTextElements(TextElement precedingTextElement, TextElement nextTextElement) { 052 if (nextTextElement instanceof VarTextElement) { 053 this.varTextElement = (VarTextElement) nextTextElement; 054 } else { 055 this.varTextElement = null; 056 } 057 } 058 059 public String getReferenceText() { 060 if (varTextElement == null) { 061 return "the " + getText(); 062 } 063 return "the " + getText() + " " + varTextElement.getText(); 064 } 065 066 }