Slots.java

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.*;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.border.TitledBorder;


public class Slots extends JFrame {
	private int total=2000,bet=100,maxWin;
	
	private String[] symbols={"Seven","Shamrock","Diamond","3Bar","Star","Bell", "Bar","Orange","Lemon"}; //slot symbols
    
	//amount winning
	int[] twoMatches={30,16,15,12,11,10,9,7,5};
	int[] threeMatches={60,32,30,24,22,20,18,14,10};
	
	private JPanel slotPanel=new JPanel (new GridLayout(1,3)); //holding 3 slots
	private JLabel[] slot=new JLabel[3]; //create three slots
	
	//money panel labels
	private JLabel amount=new JLabel("Total: $"+total);
	private JLabel betLabel=new JLabel("Bet: $"+bet);
	
	//game control panel buttons
	private JButton add50=new JButton("+50");
	private JButton spin=new JButton("Spin");
	private JButton maxbet=new JButton("Max");
	private JButton subtract50=new JButton("-50");
	private JButton getBet=new JButton("Enter Bet");
	
	public Slots() { //constructor
		maxWin=total;
		JPanel moneyPanel =new JPanel(new GridLayout(2,1));
		moneyPanel.setBorder(new TitledBorder("Money"));
		moneyPanel.add(amount);
		moneyPanel.add(betLabel);

		JPanel buttonPanel=new JPanel(new GridLayout(2,1));
		JPanel buttonTopPanel=new JPanel(new FlowLayout(FlowLayout.CENTER,5,2));
		buttonPanel.setBorder(new TitledBorder("Button Panel"));
		//set colors
		add50.setBackground(Color.YELLOW);
		spin.setBackground(Color.ORANGE);
		maxbet.setBackground(Color.GREEN);
		//add buttons to the panel
		buttonTopPanel.add(add50);
		buttonTopPanel.add(spin);
		buttonTopPanel.add(maxbet);
		
		JPanel buttonBottomPanel=new JPanel();
		buttonBottomPanel.add(subtract50);
		buttonBottomPanel.add(getBet);
		
		buttonPanel.add(buttonTopPanel,BorderLayout.NORTH);
		buttonPanel.add(buttonBottomPanel,BorderLayout.SOUTH);
			
		//set slots their first look
		slot[0]=new JLabel(new ImageIcon("../images/left.png"));
		slot[1]=new JLabel(new ImageIcon("../images/center.png"));
		slot[2]=new JLabel(new ImageIcon("../images/right.png"));
		for (int i=0;i<3;i++) slotPanel.add(slot[i]);
		
		//add listeners to bet buttons
		add50.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				bet+=50;
				if (bet>total) bet=total; //else skip
				betLabel.setText("Bet: $"+bet);
            }
        } );
			
		maxbet.addActionListener (new ActionListener() {
			public void actionPerformed(ActionEvent e) {
                bet=total;
            	betLabel.setText("Bet: $"+bet);
            }
        } );		
		
        subtract50.addActionListener(new ActionListener() {
        	public void actionPerformed(ActionEvent e) {
        		bet-=50;
                if (bet<0) bet=0; //else skip
            	betLabel.setText("Bet: $"+bet);
            }
        });
		
		getBet.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				String input;
                int betInput;
                input=JOptionPane.showInputDialog(null,
                		"Enter the amount of money you want to bet","Enter Bet",
                        JOptionPane.QUESTION_MESSAGE);
                betInput=Integer.parseInt(input);
				if (betInput>total) bet=total;
				else bet=betInput;
				betLabel.setText("Bet: $"+bet);
            }
        });	
	
        spin.addActionListener(new ActionListener() {
        	public void actionPerformed(ActionEvent e) {
        		String[] rand=new String[3];
        		int addTotal;
				//generate 3 new slots
				for(int i=0;i<3;i++) {
					int choice;
					double random=Math.random();
					random*=8;
					choice=(int) random;
					rand[i]=symbols[choice];
					slot[i].setIcon(new ImageIcon("../images/"+symbols[choice]+".jpg"));
				}
			
				//check for matches
				//three matches
				if (rand[0]==rand[1] && rand[1]==rand[2]) {
					int index=0;
					for (int i=0;i<symbols.length;i++) 
						if (rand[0]==symbols[i]) index=i;
                	addTotal=bet*threeMatches[index];
                	JOptionPane.showMessageDialog(null,"Your bet: $"+bet+"\nYou win: $"+addTotal,
                			"Three Matches",JOptionPane.INFORMATION_MESSAGE);
                	total+=addTotal;
                	amount.setText("Total: $"+total);
            		if (total>maxWin) maxWin=total;
				}
		
				//two matches
				else if (rand[0]==rand[1] || rand[1]==rand[2] || rand[2]==rand[0]) {
					int match,index=0;
					if (rand[0]==rand[1] || rand[0]==rand[2]) match=0;
					else match=1;
					
					//find the index
					for (int i=0;i<symbols.length;i++) 
						if (rand[0]==symbols[i]) index=i;
					addTotal=bet*twoMatches[index];
					JOptionPane.showMessageDialog(null,"Your bet: $"+bet+"\nYou win: $"+addTotal,
							"Two Matches",JOptionPane.INFORMATION_MESSAGE);
					total+=addTotal;
					amount.setText("Total: $"+total);
					if (total>maxWin) maxWin=total;
				}
                
				else {
					total-=bet;
					amount.setText("Total: $"+total);
					if (total>maxWin) maxWin=total;
					if (bet>total) {
						bet=total;
						betLabel.setText("Bet: $"+bet);
					}
					if (total==0) {
						bet=0;
						betLabel.setText("Bet: $"+bet);
						JOptionPane.showMessageDialog(null,"You lost! Your maximum is $"+maxWin,
								"End of Game",JOptionPane.INFORMATION_MESSAGE);
						System.exit(0);
					}
				}
        	}
        } );
        
        JPanel bottomPanel=new JPanel(new BorderLayout());
        bottomPanel.add(moneyPanel,BorderLayout.WEST);
        bottomPanel.add(buttonPanel,BorderLayout.EAST);
		
        JPanel all=new JPanel(new GridLayout(2,1));
        all.add(slotPanel);
        all.add(bottomPanel);
		
        add(all);
	}

	public static void main(String[] args) {
		JFrame frame=new Slots();
		frame.setTitle("Slots");
		frame.setLocationRelativeTo(null);
		frame.setSize(300,210);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setResizable(false);
		frame.setVisible(true);
	}
}