1 /*
2 * Copyright 2002 - 2007 JEuclid, http://jeuclid.sf.net
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 /* $Id: Mi.java,v 74b8e95997bf 2010/08/11 17:45:46 max $ */
18
19 package net.sourceforge.jeuclid.elements.presentation.token;
20
21 import net.sourceforge.jeuclid.elements.AbstractJEuclidElement;
22 import net.sourceforge.jeuclid.elements.support.text.StringUtil;
23
24 import org.apache.batik.dom.AbstractDocument;
25 import org.w3c.dom.Node;
26
27
28 /**
29 * This class presents a mathematical identifier, like "x".
30 *
31 * @version $Revision: 74b8e95997bf $
32 */
33 public final class Mi extends AbstractTokenWithTextLayout {
34 /**
35 * The XML element from this class.
36 */
37 public static final String ELEMENT = "mi";
38
39 private static final long serialVersionUID = 1L;
40
41 /**
42 * Default constructor. Sets MathML Namespace.
43 *
44 * @param qname
45 * Qualified name.
46 * @param odoc
47 * Owner Document.
48 */
49 public Mi(final String qname, final AbstractDocument odoc) {
50 super(qname, odoc);
51 }
52
53 /** {@inheritDoc} */
54 @Override
55 protected Node newNode() {
56 return new Mi(this.nodeName, this.ownerDocument);
57 }
58
59 /** {@inheritDoc} */
60 @Override
61 public void changeHook() {
62 super.changeHook();
63 if (StringUtil.countDisplayableCharacters(this.getText()) == 1) {
64 this.setDefaultMathAttribute(
65 AbstractJEuclidElement.ATTR_MATHVARIANT, "italic");
66 } else {
67 this.setDefaultMathAttribute(
68 AbstractJEuclidElement.ATTR_MATHVARIANT, "normal");
69 }
70 }
71
72 }