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/*
* Copyright 1999-2005 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.render.awt.viewer;
//Java
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.ImageIcon;
import java.net.URL;
/**
* This class represents UI-commands, which can be used as menu or toolbar
* items<br>.
* When the <code>Command</code> object receives action event, that object's
* <code>doit</code> method is invoked. <code>doit</code> method by default
* does nothing and the class customer have to override it to implement
* any action handling logic.
* Originally contributed by:
* Juergen Verwohlt: Juergen.Verwohlt@jcatalog.com,
* Rainer Steinkuhle: Rainer.Steinkuhle@jcatalog.com,
* Stanislav Gorkhover: Stanislav.Gorkhover@jcatalog.com
*/
public class Command extends AbstractAction {
private static final String IMAGE_DIR = "images/";
/**
* Creates <code>Command</code> object with a given name and
* sets the name as a tooltip text. No associated icon image.
* @param name of the command
* @param mnemonic A Key
*/
public Command(String name, int mnemonic) {
super(name);
putValue(SHORT_DESCRIPTION, name);
if (mnemonic > 0) {
putValue(MNEMONIC_KEY, new Integer(mnemonic));
}
}
/**
* Creates <code>Command</code> object with a given name, the same
* tooltip text and icon image if appropriate image file is found.
* @param name name of the command
* @param iconName name of the icon
*/
public Command(String name, String iconName) {
super(name);
putValue(SHORT_DESCRIPTION, name);
URL url = getClass().getResource(IMAGE_DIR + iconName + ".gif");
if (url != null) {
putValue(SMALL_ICON, new ImageIcon(url));
}
}
/**
* @see java.awt.event.ActionListener#actionPerformed(ActionEvent)
*/
public void actionPerformed(ActionEvent e) {
doit();
}
/**
* Action handler, have to be overrided by subclasses.
*/
public void doit() {
//Do nothing
}
}
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