/*
    DaGui0.java
    CIS 160
    2014-10-23
    David Klick

    Very basic GUI demonstration.
*/

import java.awt.BorderLayout;
import java.awt.Container;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;

public class DaGui0 extends JFrame {
    public static void main(String[] args) {
        // Create a new object out of ourself when program starts
        // This object will be the JFrame that is displayed on the screen.
        new DaGui0();
    }
    
    // default constructor
    public DaGui0() {
        // Create a thread to run in the EDT (Event Dispatch Thread)
        // as soon as it gets a chance. This is the GUI thread.
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
            }
        });
    }
    
    // This is the method that actually assembles the GUI.
    public void createAndShowGUI() {
        // Get container to hold GUI components.
        Container c = getContentPane();
        
        // Set container layout manager.
        c.setLayout(new BorderLayout());
        
        // Create widgets.
        JLabel label = new JLabel("Hi");
        JButton btn = new JButton("Klick me");
        
        // Add widgets to container.
        c.add(btn, BorderLayout.CENTER);
        c.add(label, BorderLayout.NORTH);
        
        // Enable close icon and display GUI.
        setSize(500, 400);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setVisible(true);
    }
}