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Style.java
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1998-06-30
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/*
* @(#)Style.java 1.11 98/04/09
*
* Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
* SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
* SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
* THIS SOFTWARE OR ITS DERIVATIVES.
*
*/
package com.sun.java.swing.text;
import java.awt.Component;
import com.sun.java.swing.event.ChangeListener;
import com.sun.java.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 seperated out to facilitate alternative
* implementations that are more efficient.
*
* @author Timothy Prinzing
* @version 1.11 04/09/98
*/
public interface Style extends MutableAttributeSet {
/**
* Fetches the name of the style. A style is not required to be named,
* so null 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);
}