/*

  * Copyright 2002 - 2007 JEuclid, http://jeuclid.sf.net

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *      http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 /* $Id: Mi.java,v 74b8e95997bf 2010/08/11 17:45:46 max $ */

 package net.sourceforge.jeuclid.elements.presentation.token;

 import net.sourceforge.jeuclid.elements.AbstractJEuclidElement;

 import net.sourceforge.jeuclid.elements.support.text.StringUtil;

 import org.apache.batik.dom.AbstractDocument;

 import org.w3c.dom.Node;

 /**

  * This class presents a mathematical identifier, like "x".

  *

  * @version $Revision: 74b8e95997bf $

  */

 public final class Mi extends AbstractTokenWithTextLayout {

     /**

      * The XML element from this class.

      */

     public static final String ELEMENT = "mi";

     private static final long serialVersionUID = 1L;

     /**

      * Default constructor. Sets MathML Namespace.

      *

      * @param qname

      *            Qualified name.

      * @param odoc

      *            Owner Document.

      */

     public Mi(final String qname, final AbstractDocument odoc) {

         super(qname, odoc);

     }

     /** {@inheritDoc} */

     @Override

     protected Node newNode() {

         return new Mi(this.nodeName, this.ownerDocument);

     }

     /** {@inheritDoc} */

     @Override

     public void changeHook() {

         super.changeHook();

         if (StringUtil.countDisplayableCharacters(this.getText()) == 1) {

             this.setDefaultMathAttribute(

                     AbstractJEuclidElement.ATTR_MATHVARIANT, "italic");

         } else {

             this.setDefaultMathAttribute(

                     AbstractJEuclidElement.ATTR_MATHVARIANT, "normal");

         }

     }

 }