java/gjt/ButtonPanel.java


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package gjt;

import java.awt.*;

/**
 * Button panel employs a BorderLayout to lay out a Separator in 
 * the north, and a Panel to which Buttons are added in the 
 * center.<p>
 *
 * Buttons may be added to the panel via two methods:
 * <dl>
 * <dd> void   add(Button)
 * <dd> Button add(String)
 * </dl>
 * <p>
 *
 * Button add(String) creates a Button and adds it to the
 * panel, then returns the Button created, as a convenience to
 * clients so that they do not have to go through the pain
 * and agony of creating an ImageButton.<p>
 *
 * @version 1.0, Apr 1 1996
 * @author  David Geary
 * @see     MessageDialog
 * @see     QuestionDialog
 * @see     YesNoDialog
 * @see     gjt.test.DialogTest
 * @see     gjt.test.ComponentScrollerTest
 */
public class ButtonPanel extends Panel {
    Panel     buttonPanel = new Panel();
    Separator separator   = new Separator();

    public ButtonPanel() {
        setLayout(new BorderLayout(0,5));
        add("North",  separator);
        add("Center", buttonPanel);
    }
    public void add(Button button) {
        buttonPanel.add(button);
    }
    public Button add(String buttonLabel) {
        Button addMe = new Button(buttonLabel);
        buttonPanel.add(addMe);
        return addMe;
    }
    protected String paramString() {
        return super.paramString() + "buttons=" +
        countComponents();
    }
}