import java.applet.*;
import java.awt.*;

public class InfoDialog extends Dialog {

  protected Button button;
  protected MultiLineLabel label;

  public InfoDialog(Frame parent, String title, String message) {

    // Create a dialog with the specified title
    super(parent,title,false);

    // Create and use a BorderLayout manager with specified margins
    this.setLayout(new BorderLayout(15,15));

    // Create the message component and add it to the window
    label = new MultiLineLabel(message,20,20);
    this.add("Center",label);

    // Create an Okay button in a Panel; add the Panel to the window
    // Use a FlowLayout to center the button and give it margins
    button = new Button("Okay");
    Panel p = new Panel();
    p.setLayout(new FlowLayout(FlowLayout.CENTER,15,15));
    p.add(button);
    this.add("South",p);

    // Resize the window to the preferred size of its components
    this.pack();
  }

  // Pop down the window when the button is clicked.
  public boolean action(Event e, Object arg) {
    if (e.target == button) {
      this.hide();
      this.dispose();
      return true;
    }
    else return false;
  }

  // When the window gets the keyboard focus, give it to the button
  // This allows keyboard shortcuts to pop down the dialog
  public boolean gotFocus(Event e, Object arg) {
    button.requestFocus();
    return true;
  }

}