import java.awt.*; import java.awt.event.*; import javax.swing.*; /** * Main program for ButtonApp4 */ public class Main extends JFrame { public static void main (String [] args) { java.awt.EventQueue.invokeLater (new Runnable() { public void run() { new Main (); } }); } public Main () { // Window setup setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE); setSize (500, 500); setLayout (new BorderLayout()); // Our canvas Model model; Canvas canvas = new Canvas (); add (canvas, BorderLayout.CENTER); // Model object, holds the "application" data model = new Model (5, canvas); // Didn't have this when we called Canvas constructor canvas.setModel (model); // Grid container to hold our control panels JPanel controls = new JPanel (); controls.setLayout (new GridLayout(2, 1)); controls.add (new ControlGlobal (model)); controls.add (new ControlSingle (model)); add (controls, BorderLayout.SOUTH); setVisible (true); } }