Hi i am very new to java and this is my first piece of work using a GUI. Basically i have some code to create a grid but what i need is for two grids to be displayed side by side on screen to be used for a batteships game, the code i have for the grid is below can anyone help me put another separate instance of this on the same screen?
/**
BattleGui:
*/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
public class BattleGui implements ActionListener
{
// Default filename to use for saving and loading files
// Possible improvement: replace with a FileChooser
private final static String DEFAULT_FILENAME = "battlegui.txt";
private int GRID_SIZE = 8;
private JButton [] buttonArray;
public JMenuBar createMenu()
{
JMenuBar menuBar = new JMenuBar();
JMenu menu = new JMenu("Battle Menu");
JMenuItem menuItem;
menuBar.add(menu);
// A group of JMenuItems. You can create other menu items here if desired
menuItem = new JMenuItem("New Game");
menuItem.addActionListener(this);
menu.add(menuItem);
menuItem = new JMenuItem("Load Game");
menuItem.addActionListener(this);
menu.add(menuItem);
menuItem = new JMenuItem("Save Game");
menuItem.addActionListener(this);
menu.add(menuItem);
menuItem = new JMenuItem("Quit");
menuItem.addActionListener(this);
menu.add(menuItem);
//a submenu
menu.addSeparator();
return menuBar;
}
public Container createContentPane()
{
int numButtons = GRID_SIZE * GRID_SIZE;
JPanel grid = new JPanel(new GridLayout(GRID_SIZE,GRID_SIZE));
buttonArray = new JButton[numButtons];
for (int i=0; i<numButtons; i++)
{
buttonArray[i] = new JButton(" ");
// This label is used to identify which button was clicked in the action listener
buttonArray[i].setActionCommand("" + i); // String "0", "1" etc.
buttonArray[i].addActionListener(this);
grid.add(buttonArray[i]);
}
return grid;
}
/**
* This method handles events from the Menu and the board.
*
*/
public void actionPerformed(ActionEvent e)
{
String classname = getClassName(e.getSource());
JComponent component = (JComponent)(e.getSource());
if (classname.equals("JMenuItem"))
{
JMenuItem menusource = (JMenuItem)(e.getSource());
String menutext = menusource.getText();
// Determine which menu option was chosen
if (menutext.equals("Load Game"))
{
/* BATTLEGUI Add your code here to handle Load Game **********/
LoadGame();
}
else if (menutext.equals("Save Game"))
{
/* BATTLEGUI Add your code here to handle Save Game **********/
SaveGame();
}
else if (menutext.equals("New Game"))
{
/* BATTLEGUI Add your code here to handle Save Game **********/
NewGame();
}
}
// Handle the event from the user clicking on a command button
else if (classname.equals("JButton"))
{
JButton button = (JButton)(e.getSource());
int bnum = Integer.parseInt(button.getActionCommand());
int row = bnum / GRID_SIZE;
int col = bnum % GRID_SIZE;
/* BATTLEGUI Add your code here to handle user clicking on the grid ***********/
fireShot(row, col);
}
}
/**
* Returns the class name
*/
protected String getClassName(Object o)
{
String classString = o.getClass().getName();
int dotIndex = classString.lastIndexOf(".");
return classString.substring(dotIndex+1);
}
/**
* Create the GUI and show it.
* For thread safety, this method should be invoked from the event-dispatching thread.
*/
private static void createAndShowGUI()
{
// Create and set up the window.
JFrame frame = new JFrame("Battleships");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel col1 = new JPanel();
// Create and set up the content pane.
BattleGui battlegui = new BattleGui();
frame.setJMenuBar(battlegui.createMenu());
frame.setContentPane(battlegui.createContentPane());
// Display the window, setting the size
frame.setSize(600, 600);
frame.setVisible(true);
}
/**
* Sets a Gui grid square at row, col to display a character
*/
public boolean setGuiSquare(int row, int col, char c)
{
int bnum = row * GRID_SIZE + col;
if (bnum >= (GRID_SIZE*GRID_SIZE))
{
return false;
}
else
{
buttonArray[bnum].setText(Character.toString(c));
}
return true;
}
/**
* This is a standard main function for a Java GUI
*/
public static void main(String[] args)
{
//Schedule a job for the event-dispatching thread:
//creating and showing this application's GUI.
javax.swing.SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
createAndShowGUI();
}
});
}
//************************************************************************
//*** BATTLEGUI: Modify the methods below to respond to Menu and Mouse click events
/**
* This method is called from the Menu event: New Game.
* BATTLEGUI
*/
public void NewGame()
{
System.out.println("New game selected");
}
/**
* This method is called from the Menu event: Load Game.
* BATTLEGUI
*/
public void LoadGame()
{
System.out.println("Load game selected");
}
/**
* This method is called from the Menu event: Save Game.
* BATTLEGUI
*/
public void SaveGame()
{
System.out.println("Save game selected");
}
/**
* This method is called from the Mouse Click event.
* BATTLEGUI
*/
public void fireShot(int row, int col)
{
System.out.println("Fire shot selected: at (" + row + ", " + col + ")");
}
}
Put two grids into one panel with a
new GridLayout(1,2)(then add that panel to whatever you are now adding the one grid).E.G.