001 // This file is part of the Attempto Java Packages. 002 // Copyright 2008, 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 /** 018 * This class represents referenceable text elements that contain a noun. One can refer to such 019 * text elements with "the" plus the respective noun, e.g. "the customer" in the case of the noun 020 * "customer". If the text element is followed by a {@link VarTextElement} then the variable is 021 * also included in the reference text, e.g. "the customer X" if the variable has the name "X". 022 * 023 * @author Tobias Kuhn 024 */ 025 public class NounTextElement extends BasicTextElement implements RefableTextElement { 026 027 private VarTextElement varTextElement; 028 029 /** 030 * Creates a new noun text element. 031 * 032 * @param noun The noun. 033 * @param category The category. 034 */ 035 public NounTextElement(String noun, String category) { 036 super(noun, category); 037 } 038 039 public void checkNeighborTextElements(TextElement precedingTextElement, TextElement nextTextElement) { 040 if (nextTextElement instanceof VarTextElement) { 041 this.varTextElement = (VarTextElement) nextTextElement; 042 } else { 043 this.varTextElement = null; 044 } 045 } 046 047 public String getReferenceText() { 048 if (varTextElement == null) { 049 return "the " + getText(); 050 } 051 return "the " + getText() + " " + varTextElement.getText(); 052 } 053 054 }