001/* MultiStyle.java -- Multiplexes between several Styles 002 Copyright (C) 2006 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package javax.swing.text.html; 040 041import java.util.Enumeration; 042 043import javax.swing.event.ChangeListener; 044import javax.swing.text.AttributeSet; 045import javax.swing.text.SimpleAttributeSet; 046import 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 */ 054public 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}