1 /*
2 * Copyright 2007 - 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: AbstractTokenWithStandardLayout.java,v bc1d5fde7b73 2009/06/01 14:40:54 maxberger $ */
18
19 package net.sourceforge.jeuclid.elements.presentation.token;
20
21 import java.text.AttributedString;
22
23 import net.sourceforge.jeuclid.LayoutContext;
24 import net.sourceforge.jeuclid.elements.support.GraphicsSupport;
25 import net.sourceforge.jeuclid.elements.support.text.StringUtil;
26
27 import org.apache.batik.dom.AbstractDocument;
28
29 /**
30 * Common functionality for all tokens where the text layout is based on the
31 * text content.
32 *
33 * @version $Revision: bc1d5fde7b73 $
34 */
35 public abstract class AbstractTokenWithStandardLayout extends
36 AbstractTokenWithTextLayout {
37
38 /**
39 * Default constructor. Sets MathML Namespace.
40 *
41 * @param qname
42 * Qualified name.
43 * @param odoc
44 * Owner Document.
45 */
46 public AbstractTokenWithStandardLayout(final String qname,
47 final AbstractDocument odoc) {
48 super(qname, odoc);
49 }
50
51 /** {@inheritDoc} */
52 @Override
53 protected AttributedString textContentAsAttributedString(
54 final LayoutContext now) {
55 return StringUtil.convertStringtoAttributedString(this.getText(), this
56 .getMathvariantAsVariant(), GraphicsSupport
57 .getFontsizeInPoint(now), now);
58 }
59
60 /** {@inheritDoc} */
61 @Override
62 protected boolean isEmpty() {
63 return this.getText().length() == 0;
64 }
65
66 }