/* * 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) { }}
/*
* 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) {
}
}