    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    }