001 /* MultiStyle.java -- Multiplexes between several Styles
002 Copyright (C) 2006 Free Software Foundation, Inc.
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
010
011 GNU Classpath is distributed in the hope that it will be useful, but
012 WITHOUT ANY WARRANTY; without even the implied warranty of
013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 General Public License for more details.
015
016 You should have received a copy of the GNU General Public License
017 along with GNU Classpath; see the file COPYING. If not, write to the
018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
030 terms of your choice, provided that you also meet, for each linked
031 independent module, the terms and conditions of the license of that
032 module. An independent module is a module which is not derived from
033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038
039 package javax.swing.text.html;
040
041 import java.util.Enumeration;
042
043 import javax.swing.event.ChangeListener;
044 import javax.swing.text.AttributeSet;
045 import javax.swing.text.SimpleAttributeSet;
046 import javax.swing.text.Style;
047
048 /**
049 * A Style implementation that is able to multiplex between several other
050 * Styles. This is used for CSS style resolving.
051 *
052 * @author Roman Kennke (kennke@aicas.com)
053 */
054 public class MultiStyle
055 extends MultiAttributeSet
056 implements Style
057 {
058
059 // FIXME: Fix the implementation to also return attributes that
060 // are added to this style, etc. However, this is not really needed
061 // now for CSS, but would be nice for correctness.
062
063 /**
064 * The name of the style.
065 */
066 private String name;
067
068 /**
069 * The attributes added to this style.
070 */
071 private SimpleAttributeSet attributes;
072
073 /**
074 * Creates a new instance.
075 *
076 * @param n the name
077 * @param m the styles to multiplex
078 */
079 public MultiStyle(String n, AttributeSet[] m)
080 {
081 super(m);
082 name = n;
083 attributes = new SimpleAttributeSet();
084 }
085
086 /**
087 * Returns the name of the style.
088 *
089 * @return the name of the style
090 */
091 public String getName()
092 {
093 return name;
094 }
095
096 public void addChangeListener(ChangeListener listener)
097 {
098 // TODO: Implement.
099 }
100
101 public void removeChangeListener(ChangeListener listener)
102 {
103 // TODO: Implement.
104 }
105
106 public void addAttribute(Object name, Object value)
107 {
108 attributes.addAttribute(name, value);
109 }
110
111 public void addAttributes(AttributeSet atts)
112 {
113 attributes.addAttributes(atts);
114 }
115
116 public void removeAttribute(Object name)
117 {
118 attributes.removeAttribute(name);
119 }
120
121 public void removeAttributes(Enumeration names)
122 {
123 attributes.removeAttribute(names);
124 }
125
126 public void removeAttributes(AttributeSet atts)
127 {
128 attributes.removeAttribute(atts);
129 }
130
131 public void setResolveParent(AttributeSet parent)
132 {
133 // TODO: Implement.
134 }
135
136 }