/*
* Copyright (c) 1997, 2000, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package javax.swing.text;
import java.awt.Component;
import javax.swing.event.ChangeListener;
import javax.swing.event.ChangeEvent;
import java.util.Enumeration;
import java.util.Hashtable;
/**
* A collection of attributes to associate with an element in a document.
* Since these are typically used to associate character and paragraph
* styles with the element, operations for this are provided. Other
* customized attributes that get associated with the element will
* effectively be name-value pairs that live in a hierarchy and if a name
* (key) is not found locally, the request is forwarded to the parent.
* Commonly used attributes are separated out to facilitate alternative
* implementations that are more efficient.
*
* @author Timothy Prinzing
*/
public interface Style extends MutableAttributeSet {
/**
* Fetches the name of the style. A style is not required to be named,
* so <code>null</code> is returned if there is no name
* associated with the style.
*
* @return the name
*/
public String getName();
/**
* Adds a listener to track whenever an attribute
* has been changed.
*
* @param l the change listener
*/
public void addChangeListener(ChangeListener l);
/**
* Removes a listener that was tracking attribute changes.
*
* @param l the change listener
*/
public void removeChangeListener(ChangeListener l);
}