PaintGUI.java

package GUI;

import client.Client;
import remote.IDrawingUpdate;

import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.rmi.RemoteException;

public class PaintGUI extends JPanel {

    Client client;
    DrawingArea drawingArea;

    String[] shapes = {"Freehand", "Line", "Circle", "Rectangle", "Oval", "Eraser", "Text"};
    String[] strokes = {"Thin", "Medium", "Thick"};
    String[] eraserSizes = {"Small", "Medium", "Large"};
    JFrame frame;
    JButton clearBtn, newBtn, openBtn, saveBtn, saveAsBtn;
    JButton freehandBtn, lineBtn, circleBtn, rectBtn, ovalBtn, eraserBtn, textBtn;
    JButton colorPaletteBtn, setFontBtn;
    JTextField textInput, textSize;
    JComboBox strokeOptions;
    JComboBox eraserSizeOptions;

    String filePath = "";
    Color currentColor = Color.BLACK;

    JPanel global = new JPanel();
    JPanel toolbox = new JPanel();
    JPanel toolbox1 = new JPanel();
    JPanel toolbox2 = new JPanel();
    JPanel fileControl = new JPanel();
    JFileChooser fileChooser= new JFileChooser();

    /// GUI setup ///
    public PaintGUI(Client client) {

        this.client = client;

/// Main drawing area ///
        drawingArea = new DrawingArea(client);
//        drawingArea.setPreferredSize(new Dimension(600, 620));

/// Set up main frame and container ///
        global.setLayout(new BorderLayout());
        toolbox.setLayout(new BorderLayout());

        /// Set up button icons ///
        try {
            String path = System.getProperty("user.dir");
            System.out.println(path);
            File palettePic = new File(path + "/src/GUI/icon/palette.png");
            File freehandPic = new File(path + "/src/GUI/icon/freehand.png");
            File linePic = new File(path + "/src/GUI/icon/line.png");
            File circlePic = new File(path + "/src/GUI/icon/circle.png");
            File rectPic = new File(path + "/src/GUI/icon/rectangle.png");
            File ovalPic = new File(path + "/src/GUI/icon/oval.png");
            File eraserPic = new File(path + "/src/GUI/icon/eraser.png");