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	/*
	* Copyright (c) 2003, 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
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/
	package sun.swing;

	import java.beans.PropertyChangeListener;

	import javax.swing.Action;

	/**
	* UIAction is the basis of all of basic's action classes that are used in
	* an ActionMap. Subclasses need to override <code>actionPerformed</code>.
	* <p>
	* A typical subclass will look like:
	* <pre>
	* private static class Actions extends UIAction {
	* Actions(String name) {
	* super(name);
	* }
	*
	* public void actionPerformed(ActionEvent ae) {
	* if (getName() == "selectAll") {
	* selectAll();
	* }
	* else if (getName() == "cancelEditing") {
	* cancelEditing();
	* }
	* }
	* }
	* </pre>
	* <p>
	* Subclasses that wish to conditionalize the enabled state should override
	* <code>isEnabled(Component)</code>, and be aware that the passed in
	* <code>Component</code> may be null.
	*
	* @see com.sun.java.swing.ExtendedAction
	* @see javax.swing.Action
	* @author Scott Violet
	*/
	public abstract class UIAction implements Action {
	private String name;

	public UIAction(String name) {
	this.name = name;
	}

	public final String getName() {
	return name;
	}

	public Object getValue(String key) {
	if (key == NAME) {
	return name;
	}
	return null;
	}

	// UIAction is not mutable, this does nothing.
	public void putValue(String key, Object value) {
	}

	// UIAction is not mutable, this does nothing.
	public void setEnabled(boolean b) {
	}

	/**
	* Cover method for <code>isEnabled(null)</code>.
	*/
	public final boolean isEnabled() {
	return isEnabled(null);
	}

	/**
	* Subclasses that need to conditionalize the enabled state should
	* override this. Be aware that <code>sender</code> may be null.
	*
	* @param sender Widget enabled state is being asked for, may be null.
	*/
	public boolean isEnabled(Object sender) {
	return true;
	}

	// UIAction is not mutable, this does nothing.
	public void addPropertyChangeListener(PropertyChangeListener listener) {
	}

	// UIAction is not mutable, this does nothing.
	public void removePropertyChangeListener(PropertyChangeListener listener) {
	}
	}

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