// @topic T11682 Swing demo A8 -- GUI window with three radio buttons
// @brief class FrameApplication extends javax.swing.JFrame
/**
 * @author ik
 */

package pckg;

import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
import javax.swing.text.*;

/**
 * <code>FrameApplication</code> is the base class for UI window
 * of the application.
 */
public class FrameApplication extends javax.swing.JFrame
{
    // ----- Operations ----------
    /** 
    * Class constructor takes care of all basic setup steps.
    */
    public FrameApplication(String aCaption)
    {
        super(aCaption);
        setSystemLookFeel();
        // Proper close-down procedure:
        this.addWindowListener(new FrameApplicationClosing());
    } // method: FrameApplication

    /** 
    * Sets the frame size
    */
    private void setFrameDimension()
    {
        Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
        int origin_x = screen.width / 4;
        int origin_y = screen.height / 4;
        int width = screen.width * 2 / 7;
        int height = screen.height * 2 / 7;
        this.setBounds(origin_x, origin_y, width, height);
    } // method: setFrameDimension

    // ----- Static Operations ----------
    /** 
    * Sets OS-specific look and feel
    */
    private static void setSystemLookFeel()
    {
        // Force to come up in the system look and feel
        String laf = UIManager.getSystemLookAndFeelClassName();
        try
        {
            UIManager.setLookAndFeel(laf);
        }
        catch (UnsupportedLookAndFeelException exc)
        {
            System.err.println("Unsupported: " + laf);
        }
        catch (Exception exc)
        {
            System.err.println("Error loading " + laf);
        }
    }// method: setSystemLookFeel

} // class: FrameApplication