/* Practice using layouts Anderson, Franceschi */ import javax.swing.*; import java.awt.*; import java.awt.event.*; public class NestedLayoutPractice extends JFrame { private Container contents; private Game game; private BorderLayout bl; private JLabel bottom; // ***** Task 1: declare a JPanel named top // also declare three JButton instance variables // that will be added to the JPanel top // these buttons will determine the grid size of the game: // 3-by-3, 4-by-4, or 5-by-5 // Part 1 student code starts here: private final JPanel top; private JButton [] topButtones; String [] topGridSize = {\"3-by-3\", \"4-by-4\", \"5-by-5\", }; private JButton reset; // Part 1 student code ends here. public NestedLayoutPractice() { super(\"Practicing layout managers\"); contents = getContentPane(); // ***** Task 2: // instantiate the BorderLayout manager bl // Part 2 student code starts here: // set the layout manager of the content pane contents to bl: // bl = new BorderLayout (); (not suer if this is right) //set.BorderLayout(bl); (not suer if this is right) game = new Game(3); // instantiating the GamePanel object // add panel (game) to the center of the content pane // Part 2 student code ends here. bottom = new JLabel(\"Have fun playing this Tile Puzzle game\", SwingConstants.CENTER); // ***** Task 3: // instantiate the JPanel component named top // Part 3 student code starts here: //top = new JPanle ();(not suer if this is right) // set the layout of top to a 1-by-3 grid(not suer if this is right) // panel.setLayout (new GridLayout (3, 1));(not suer if this is right) // instantiate the JButtons that determine the grid size // topButtones [0] = new JButton (\"3-by-3 \"); (not suer if this is right) // add the buttons to JPanel top //top.add (topButtones[0]);(not suer if this is right) //top.add (topButtones[1]); //top.add (topButtones[2]); // add JPanel top to the content pane as its north component c.add(top, \"north\"); // Part 3 student code ends here. // ***** Task 5: // Note: search for and complete Task 4 before performing this task // Part 5 student code starts here: // declare and instantiate an ActionListener //topButtones[0].addActionListnere(this);(not suer if this is right) //topButtones[1].addActionListnere(this); //topButtones[2].addActionListnere(this); // register the listener on the 3 buttons // that you declared in Task 1 // Part 5 student code ends here. contents.add(bottom, BorderLayout.SOUTH); setSize(325, 325); setVisible(true); } // ***** Task 4: // create a private inner class that implements ActionListener // your method should identify which of the 3 buttons // was the source of the event // depending on which button was pressed, // call the setUpGame method of the Game class // with arguments 3, 4, or 5 // the API of that method is: // public void setUpGame(int nSides) // At the end of the method call validate() // Part 4 student code starts here: public void actionPreformed(ActionEvent ae) { if (ae.getActionCommand(). equ.

1. /* Practice using layouts
Anderson, Franceschi
*/
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class NestedLayoutPractice extends JFrame
{
private Container contents;
private Game game;
private BorderLayout bl;
private JLabel bottom;
// ***** Task 1: declare a JPanel named top
// also declare three JButton instance variables
// that will be added to the JPanel top
// these buttons will determine the grid size of the game:
// 3-by-3, 4-by-4, or 5-by-5
// Part 1 student code starts here:
private final JPanel top;
private JButton [] topButtones;
String [] topGridSize =
{"3-by-3",
"4-by-4",
"5-by-5",
};
private JButton reset;
// Part 1 student code ends here.
public NestedLayoutPractice()
{
super("Practicing layout managers");
contents = getContentPane();
// ***** Task 2:
// instantiate the BorderLayout manager bl
// Part 2 student code starts here:

2. // set the layout manager of the content pane contents to bl:
// bl = new BorderLayout (); (not suer if this is right)
//set.BorderLayout(bl); (not suer if this is right)
game = new Game(3); // instantiating the GamePanel object
// add panel (game) to the center of the content pane
// Part 2 student code ends here.
bottom = new JLabel("Have fun playing this Tile Puzzle game",
SwingConstants.CENTER);
// ***** Task 3:
// instantiate the JPanel component named top
// Part 3 student code starts here:
//top = new JPanle ();(not suer if this is right)
// set the layout of top to a 1-by-3 grid(not suer if this is right)
// panel.setLayout (new GridLayout (3, 1));(not suer if this is right)
// instantiate the JButtons that determine the grid size
// topButtones [0] = new JButton ("3-by-3 "); (not suer if this is right)
// add the buttons to JPanel top
//top.add (topButtones[0]);(not suer if this is right)
//top.add (topButtones[1]);
//top.add (topButtones[2]);
// add JPanel top to the content pane as its north component
c.add(top, "north");
// Part 3 student code ends here.
// ***** Task 5:
// Note: search for and complete Task 4 before performing this task
// Part 5 student code starts here:
// declare and instantiate an ActionListener
//topButtones[0].addActionListnere(this);(not suer if this is right)
//topButtones[1].addActionListnere(this);
//topButtones[2].addActionListnere(this);
// register the listener on the 3 buttons
// that you declared in Task 1
// Part 5 student code ends here.

3. contents.add(bottom, BorderLayout.SOUTH);
setSize(325, 325);
setVisible(true);
}
// ***** Task 4:
// create a private inner class that implements ActionListener
// your method should identify which of the 3 buttons
// was the source of the event
// depending on which button was pressed,
// call the setUpGame method of the Game class
// with arguments 3, 4, or 5
// the API of that method is:
// public void setUpGame(int nSides)
// At the end of the method call validate()
// Part 4 student code starts here:
public void actionPreformed(ActionEvent ae)
{
if (ae.getActionCommand(). equals ("3-by-3"))
game = new Game (3);
else if(ae.getActionCommand(). equals ("4-by-4"))
game = new game (3);
else if(ae.getActionCommand(). equals ("5-by-5"))
game = new game (3);
}
// Part 4 student code ends here.
public static void main(String[] args)
{
NestedLayoutPractice nl = new NestedLayoutPractice();
nl.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
Solution
TilePuzzle Class
Game class