Button.java example

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smile-master
/*******************************************************************************
 * Copyright (c) 2010 Haifeng Li
 *   
 * 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.
 *******************************************************************************/
package smile.swing;

import javax.swing.Action;
import javax.swing.JButton;

/**
 * Action initialized JButton. If the button has an icon, the text label
 * won't show on button.
 * 
 * @author Haifeng Li
 */
@SuppressWarnings("serial")
public class Button extends JButton {
    /**
     * Constructor.
     * @param action the Action used to specify the new button.
     */
    public Button(Action action) {
        super(action);
        
        if (getIcon() != null) {
            String desc = (String) action.getValue(Action.SHORT_DESCRIPTION);
            if (desc == null) {
                desc = getText();
            }
            
            setToolTipText(desc);
            setText(null);
        }        
    }
}