CommandPanel.java

import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.border.EmptyBorder;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.LinkedList;

/**
 * A panel that allows users to type information which interacts with the board
 * 
 * @Team MAGA
 * @Author Gajun Young - 16440714
 * @Author Royal Thomas - 16326926
 * @Author Richard  Otroshchenko - 16353416
 */
public class CommandPanel extends JPanel {
	
	private static final long serialVersionUID = 1L;
	private static final int SIZE = 30;
	private static final int FONT_SIZE = 14;
	
	private JTextField commandField = new JTextField("", SIZE);
	private final LinkedList<String> commandBuffer = new LinkedList<>();
    public static JLabel picLabel;
	private static JTextArea availableInputs = new JTextArea("quit", 5, 10);
    private static JPanel availableInput;
    private static JLabel movesRemaining = new JLabel("");
	
	public CommandPanel() {
		JPanel inputPanel = new JPanel();		//Panel that displays input 
		availableInput = new JPanel();			//Panel that displays available commands that users can use
		
		//A Label that contains the current player icon
		try {
            picLabel = CluedoUI.imageToLabel("Profiler/default.png");
            picLabel.setBorder(BorderFactory.createTitledBorder("Current Player"));
            add(picLabel);
		}catch(IOException ex){
			System.out.println("Unable to load image.");
		}
		
		//Beautification
		setPreferredSize(new Dimension(1000, 145));
		setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
		setBorder(new EmptyBorder(0, 10, 0, 0));
		
		//A container that holds the text box and the submit button
		inputPanel.setBorder(new EmptyBorder(50, 0, 0, 0));
		inputPanel.add(new JLabel("Input Area:"));
		
		//Add a panel to make a list of actions and set its layout to allow for that
		JScrollPane scroll = new JScrollPane(availableInputs);
		availableInput.setLayout(new BoxLayout(availableInput, BoxLayout.X_AXIS));
	    availableInput.setPreferredSize(new Dimension(300, 0));
	    availableInput.setBorder(BorderFactory.createTitledBorder("Available Inputs"));
		availableInput.add(scroll);
		availableInputs.setMaximumSize(new Dimension(290,200));
		availableInputs.setLineWrap(true);
		availableInputs.setEditable(false);

        add(inputPanel);
        add(availableInput);
        
        //An actionListener to listen for user inputs and respond
        class AddActionListener implements ActionListener {
        	public void actionPerformed(ActionEvent event)	{
        		synchronized (commandBuffer) {
        			commandBuffer.add(commandField.getText());
        			commandField.setText("");
        			commandBuffer.notify();
        		}
        	}

        }
        
        ActionListener listener = new AddActionListener();
        commandField.addActionListener(listener);
        commandField.setFont(new Font("Times New Roman", Font.PLAIN, FONT_SIZE));
        inputPanel.add(commandField);
        inputPanel.add(movesRemaining);
	        
        //border style
		setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "Command Panel"));
		
	}

	//Methods to control the text box in the command panel that lets users know what inputs are available
	public static void updateCommands(String[] x){
			availableInputs.setText("");
			for(String y: x){
				availableInputs.append(y + "\n");
			}
			availableInputs.append("quit");
	}

	//Used to clear the text box.
	public static void updateCommands(){
		availableInputs.setText("quit");
	}

	//Method to update label that shows how many moves the player has left
	public static void updateMovesReamining(int x){
		if(x == 0){
			movesRemaining.setText("You've run out of moves! Enter 'done' to move to next player.");
		}else if(x == -1){
			movesRemaining.setText("");
		}else if(x == -2){
			movesRemaining.setText("Choose an exit from the available set in information panel.");
		}else if(x == -3) {
			movesRemaining.setText("Answering question! Enter 'done' to move to next player.");
		} else {
			movesRemaining.setText("Moves remaining for current player:" + x);
		}
	}
	
	/**
	 * A method that takes in a string of information
	 * 
	 * @return A string that user typed
	 */
	public String getCommand() {
		String command;
		synchronized(commandBuffer) {
			while (commandBuffer.isEmpty()) {
				try {
					commandBuffer.wait();
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}
			
		command = commandBuffer.pop();
		}
	    
		return command;
	}

	/**
	 * Updates current user image on the command panel
	 * @param path
	 */
	public static void updateUserImage(String path) {
        try {
            BufferedImage myPicture = ImageIO.read(CluedoUI.class.getClassLoader().getResourceAsStream(path));
            picLabel.setIcon(new ImageIcon(myPicture));
            picLabel.revalidate();
            picLabel.repaint();
            picLabel.update(picLabel.getGraphics());
        }catch(IOException ex){
            System.out.println("Unable to load user image.");
        }
    }
}