DS_GUI.java

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.awt.image.BufferedImage;
import java.io.DataOutputStream;
import java.io.File;

import javax.imageio.IIOException;
import javax.imageio.ImageIO;
import javax.swing.*;

import org.json.simple.JSONObject;

class DS_GUI extends JFrame implements ItemListener , KeyListener,WindowListener{

    private JButton ovalBt;
    private JButton circleBt;
    private JButton rectangleBt;
    private JButton lineBt;
    private JButton eraserBt;
    private JButton penBt;
    private JButton textBt;
    public Gshape shape;
    private JComboBox colorBt;
    private Color c = Color.black;// should check if it's ok
    private JMenuBar JMenuBar;// define the menu bar
    private JMenu JMenuOpen;
    private JMenu JMenuNew;
    private JMenu JMenuSave;
    private JMenu JMenuSaveAs;
    private JMenu JMenuClose;// not sure if it's useful?
    private JFrame jfile;
    private String filePath;
    private BufferedImage myImage = null;
    private static int count = 0;// count
    private int action = 0;
    private Manager manager;
    private DataOutputStream os = null;
    private int startX = 0;
    private int startY = 0;
    private int endX;
    private int endY;
    private String text="";

    static Color[] colors = {Color.black, Color.blue, Color.RED,Color.yellow,Color.green,Color.orange,Color.cyan, Color.darkGray,Color.gray,Color.lightGray,Color.magenta,Color.pink,Color.white,new Color(227, 207, 87),new Color(88, 87, 86),new Color(255, 127, 80),new Color(116, 0, 0)};
    static String[] strings = {"Black", "Blue", "Red","Yellow","Green","Orange","Cyan","Dark Gray","Gray","Light Gray","Magenta", "Pink","White","Banana Yellow","Ivory Black","Coral Red","Black Red"};

    public DS_GUI(Manager manager) {

        this.manager = manager;
        this.os = manager.getOS();

        shape = new Gshape(this.os);
        // implement the button
        ovalBt = new JButton("Oval");
        circleBt = new JButton("Circle");
        rectangleBt = new JButton("Rectangle");
        lineBt = new JButton("Line");
        eraserBt = new JButton("eraser");
        penBt = new JButton("pen");
        colorBt = new JComboBox(strings);
        textBt = new JButton("text");
        textBt.addKeyListener(this);

        // implement the menu
        JMenuBar = new JMenuBar();
        JMenuOpen = new JMenu("Open");
        JMenuNew = new JMenu("New");
        JMenuSave = new JMenu("Save");
        JMenuSaveAs = new JMenu("SaveAs");
        JMenuClose = new JMenu("Close");

        // add the menu in menu bar
        JMenuBar.add(JMenuOpen);
        JMenuBar.add(JMenuNew);
        JMenuBar.add(JMenuSave);
        JMenuBar.add(JMenuSaveAs);
        //    JMenuBar.add(JMenuClose);

        // create the panel
        JPanel btnPanel = new JPanel();
        btnPanel.setLayout(new GridLayout(4, 1));
        btnPanel.add(lineBt);
        btnPanel.add(rectangleBt);
        btnPanel.add(circleBt);
        btnPanel.add(ovalBt);
        btnPanel.add(eraserBt);
        btnPanel.add(penBt);
        btnPanel.add(colorBt);
        btnPanel.add(textBt);



        ComboBoxRenderer renderer = new ComboBoxRenderer(colorBt);

        renderer.setColors(colors);
        renderer.setStrings(strings);

        colorBt.setRenderer(renderer);

        // color add
//        colorBt.addItem("black");
//        colorBt.addItem("blue");
//        colorBt.addItem("red");
//        colorBt.addItem("yellow");
//        colorBt.addItem("green");
//        colorBt.addItem("orange");
//        colorBt.addItem("cyan");
//        colorBt.addItem("darkGray");
//        colorBt.addItem("gray");
//        colorBt.addItem("lightGray");
//        colorBt.addItem("magenta");
//        colorBt.addItem("pink");
//        colorBt.addItem("white");
//        colorBt.addItem("bananaYellow");
//        colorBt.addItem("ivoryRlack");
//        colorBt.addItem("coralRed");
//        colorBt.addItem("blackRed");
        colorBt.addItemListener(this);

        // create the container
        Container content = this.getContentPane();// get the pane
        content.setLayout(new BorderLayout());
        content.add(btnPanel, BorderLayout.WEST);// add the btn
        content.add(shape, BorderLayout.CENTER);// add the wb
        // content.add(JMenuBar,BorderLayout.NORTH);//add the menu
        setJMenuBar(JMenuBar);// this is also ok for menu bar

        // this part is to add action for the button
        lineBt.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {

                shape.setObject("line");

                action = 1;
            }
        });
        rectangleBt.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                shape.setObject("rectangle");
                action = 1;
            }
        });
        circleBt.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                shape.setObject("circle");
                action = 1;
            }
        });
        ovalBt.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                shape.setObject("oval");
                action = 1;
            }
        });
        eraserBt.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                shape.setObject("eraser");
                action = 1;
            }
        });
        penBt.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                shape.setObject("pen");
                action = 1;
            }
        });
        textBt.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                shape.setObject("text");
                action = 1;
            }
        });
        // this part is for the textInput

        // this part is to add action for the menu

        JMenuOpen.addMouseListener(new MouseAdapter() {
            public void mouseClicked(MouseEvent e) {
                shape.setObject("");

                /*
                 * int width = shape.getWidth(); int height = shape.getHeight(); BufferedImage
                 * bufImage = (BufferedImage) shape.createImage(width, height); Graphics2D gc =
                 * bufImage.createGraphics(); gc.setColor(Color.white); gc.fillRect(0, 0, width,
                 * height);
                 */
                openDialog();
                Graphics g = shape.getGraphics();

                Graphics2D g2 = (Graphics2D) g;
                BufferedImage bufImage;
                try {
                    if(!filePath.equals("")) {
                        bufImage = ImageIO.read(new File(filePath));
                        shape.setBufImage(bufImage);
                        g2.drawImage(bufImage, null, 0, 0);
                    }
                    int[][] matrix = getMatrixofImage();
                    String row = String.valueOf(matrix.length);
                    String col = String.valueOf(matrix[1].length);
                    try {
                        String matrixString = convertToString(matrix, matrix.length,
                                matrix[0].length);

                        int bufferSize = 60000;
                        int i = 0;
                        int sum = 0;
                        int count = 0;
                        while (i < matrixString.length()) {
                            int endIdx = java.lang.Math.min(matrixString.length(), i + bufferSize);
                            String partMatrixString = matrixString.substring(i, endIdx);
                            JSONObject drawUpdate = new JSONObject();
                            drawUpdate.put("command_name", "openFile");
                            drawUpdate.put("row", row);
                            drawUpdate.put("col", col);
                            drawUpdate.put("which", "0"); // manager id
                            drawUpdate.put("content", partMatrixString);
                            if (count == 0) {
                                drawUpdate.put("identifier", "start");
                            } else {
                                drawUpdate.put("identifier", "notStart");
                            }
                            sum += partMatrixString.length();
                            i += bufferSize;
                            count++;
                            if (sum == matrixString.length()) {
                                drawUpdate.put("finish", "True");
                            } else {
                                drawUpdate.put("finish", "False");
                            }
                            os.writeUTF(drawUpdate.toString());
                            os.flush();
                        }
                        assert sum == matrixString.length();
                    }catch(IIOException e2) {
                        //System.out.println("Cannot read file.");
                        JOptionPane.showMessageDialog(null, "Cannot read file");
                    } catch (Exception e1) {
                        // TODO Auto-generated catch block
                        //System.out.println("Connection Lost! Please close the application.");
                        JOptionPane.showMessageDialog(null, "Connection Lost! Closing thhe application");
                        System.exit(0);
                    }

                } catch (Exception e1) {
                    // TODO Auto-generated catch block
                    //System.out.println("Connection Lost! Please close the application.");
                    JOptionPane.showMessageDialog(null, "Connection Lost! Closing thhe application");
                    System.exit(0);
                }

            }
        });

        JMenuNew.addMouseListener(new MouseAdapter() {

            public void mouseClicked(MouseEvent e) {
                shape.setObject("");
                JSONObject command = new JSONObject();
                command.put("command_name", "newPicture");
                try {
                    os.writeUTF(command.toString());
                    os.flush();
                } catch (Exception e1) {
                    // TODO Auto-generated catch block
                    //System.out.println("Connection Lost! Please close the application.");
                    JOptionPane.showMessageDialog(null, "Connection Lost! Closing thhe application");
                    System.exit(0);
                }

                /*
                 * JFrame newgui=new DS_GUI(); newgui.setBounds(100, 100, 600, 437);
                 * newgui.setTitle("Shared Whiteboard"); newgui.setVisible(true);
                 * newgui.setBackground(Color.white);
                 */
                // shape.getGraphics();
                // newgui.setVisible(true);

                int width = shape.getWidth();
                int height = shape.getHeight();
                BufferedImage bufImage = (BufferedImage) shape.createImage(width, height);
                Graphics2D gc = bufImage.createGraphics();
                gc.setColor(Color.white);
                gc.fillRect(0, 0, width, height);

                Graphics g = shape.getGraphics();
                Graphics2D g2 = (Graphics2D) g;
                shape.setBufImage(bufImage);
                g2.drawImage(bufImage, null, 0, 0);

            }
        });
        JMenuSave.addMouseListener(new MouseAdapter() {
            public void mouseClicked(MouseEvent e) {
                // String path=System.getProperty("user.dir"); //get current directory

                try {
                    /*
                     * int height=shape.getBufImage().getHeight(); int
                     * width=shape.getBufImage().getWidth(); int x=shape.getX(); int
                     * y=shape.getY(); myImage = new Robot().createScreenCapture(new
                     * Rectangle(x,y,width,height));
                     */
                    myImage = shape.getBufImage();
                    ImageIO.write(myImage, "jpg", new File("./image" + count + ".jpg"));
                    count++;
                } catch (Exception e1) {
                    // TODO Auto-generated catch block
                    //  System.out.println("Connection Lost! Please close the application.");
                    JOptionPane.showMessageDialog(null, "Connection Lost! Closing thhe application");
                    System.exit(0);
                }
            }
        });
        JMenuSaveAs.addMouseListener(new MouseAdapter() {
            public void mouseClicked(MouseEvent e) {
                saveDialog();
                myImage = shape.getBufImage();
                try {if(!filePath.equals("")) {
                    ImageIO.write(myImage, "jpg", new File(filePath + ".jpg"));
                }
                } catch (Exception e1) {
                    // TODO Auto-generated catch block
                    // System.out.println("Connection Lost! Please close the application.");
                    JOptionPane.showMessageDialog(null, "Connection Lost! Closing thhe application");
                    System.exit(0);
                }
            }
        });
        JMenuClose.addMouseListener(new MouseAdapter() {
            public void mouseClicked(MouseEvent e) {
                System.exit(0);
            }
        });

        this.pack();// adjust the size of btn auto
    }

    private void openDialog() {
        FileDialog fd = new FileDialog(jfile, "Open", FileDialog.LOAD);
        fd.setVisible(true);
        if(fd.getDirectory()!=null) {
            /*
             * while(fd.getFile()==null) { continue; }
             */
            filePath = fd.getDirectory() + fd.getFile();
        }
        else {
            filePath="";
        }

    }

    private void saveDialog() {
        FileDialog fd = new FileDialog(jfile, "SaveAs", FileDialog.SAVE);
        fd.setVisible(true);
        /*
         * while(fd.getFile()==null) { continue; }
         */
        if (fd.getDirectory() != null) {

            filePath = fd.getDirectory() + fd.getFile();
        }else {
            filePath = "";
        }
    }

    public int[][] getMatrixofImage() {
        BufferedImage bimg;

        bimg = shape.getBufImage();
        int[][] data = new int[bimg.getWidth()][bimg.getHeight()];
        for (int i = 0; i < bimg.getWidth(); i++) {
            for (int j = 0; j < bimg.getHeight(); j++) {
                data[i][j] = bimg.getRGB(i, j);
            }
        }

        return data;
    }

    public void updateImage(int[][] rgbValue2) {

//		int[][] rgbValue1 = getMatrixofImage();
        // row
        int width = rgbValue2.length;
        // column
        int height = rgbValue2[0].length;

        // composite a new array
//		int[][] compositeRgbValue = new int[width][height];
//		for (int x = 0; x < width; x++) {
//			for (int y = 0; y < height; y++) {
//				// RGB is binary need to implement bitwise
//				// red = (pixel >> 16) & 0xFF;
//				if ((((rgbValue1[x][y] >> 16) & 0xFF) == 0xFE)
//						|| (((rgbValue2[x][y] >> 16) & 0xFF) == 0xFE)) {
//					compositeRgbValue[x][y] = 0xffffffff;
//				} else {
//					compositeRgbValue[x][y] = rgbValue1[x][y] & rgbValue2[x][y];
//				}
//			}
//		}

        BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

        for (int x = 0; x < width; x++) {
            for (int y = 0; y < height; y++) {
                bufferedImage.setRGB(x, y, rgbValue2[x][y]);
            }
        }
        Graphics g = shape.getGraphics();

        Graphics2D g2 = (Graphics2D) g;
        shape.setBufImage(bufferedImage);
        g2.drawImage(bufferedImage, null, 0, 0);
    }

    public void setAction(int action) {
        this.action = action;

    }

    public int getAction() {
        return action;
    }

    /*
     * (non-Javadoc)
     *
     * @see java.awt.event.ItemListener#itemStateChanged(java.awt.event.ItemEvent)
     */
    @Override
    public void itemStateChanged(ItemEvent e) {
        // TODO Auto-generated method stub
        if (e.getSource() == colorBt) {// ÑÕÉ«
            String s = colorBt.getSelectedItem().toString();
            if (s.equals("Black")) {
                c = Color.black;
                shape.setColor(c);
            }
            if (s.equals("Blue")) {
                c = Color.blue;
                shape.setColor(c);
            }
            if (s.equals("Red")) {
                c = Color.red;
                shape.setColor(c);
            }
            if (s.equals("Yellow")) {
                c = Color.yellow;
                shape.setColor(c);
            }
            if (s.equals("Green")) {
                c = Color.green;
                shape.setColor(c);
            }
            if (s.equals("Orange")) {
                c = Color.orange;
                shape.setColor(c);
            }
            if (s.equals("Cyan")) {
                c = Color.cyan;
                shape.setColor(c);
            }
            if (s.equals("Dark Gray")) {
                c = Color.darkGray;
                shape.setColor(c);
            }
            if (s.equals("Gray")) {
                c = Color.gray;
                shape.setColor(c);
            }
            if (s.equals("Light Gray")) {
                c = Color.lightGray;
                shape.setColor(c);
            }
            if (s.equals("Magenta")) {
                c = Color.magenta;
                shape.setColor(c);
            }
            if (s.equals("Pink")) {
                c = Color.pink;
                shape.setColor(c);
            }
            if (s.equals("White")) {
                c = Color.white;
                shape.setColor(c);
            }
            if (s.equals("Banana Yellow")) {
                c = new Color(227, 207, 87);
                shape.setColor(c);
            }
            if (s.equals("Ivory Black")) {
                c = new Color(88, 87, 86);
                shape.setColor(c);
            }
            if (s.equals("Coral Red")) {
                c = new Color(255, 127, 80);
                shape.setColor(c);
            }
            if (s.equals("Black Red")) {
                c = new Color(116, 0, 0);
                shape.setColor(c);
            }
        }
    }

    public void send() {
        try {
            JSONObject test = new JSONObject();
            test.put("command_name", "send");
            os.writeUTF(test.toString());
        } catch (Exception e) {
            // TODO Auto-generated catch block
            //System.out.println("Connection Lost! Please close the application.");
            JOptionPane.showMessageDialog(null, "Connection Lost! Closing thhe application");
            System.exit(0);
        }
    }

    public void paint(JSONObject command) {
        if (command.get("operation").toString().equals("mousePressed")) {
            startX = Integer.parseInt(command.get("startX").toString());
            startY = Integer.parseInt(command.get("startY").toString());
            text="";

        } else if (command.get("operation").toString().equals("mouseReleased")) {
            endX = Integer.parseInt(command.get("endX").toString());
            endY = Integer.parseInt(command.get("endY").toString());
            Graphics2D g2 = shape.getBufImage().createGraphics();
            Color c1 = toColor(command.get("color").toString());

            g2.setColor(c1);
            String type = command.get("shape").toString();
            drawUpdate(type, g2);
            shape.repaint();
        } else if (command.get("operation").toString().equals("mouseDragged")) {
            startX = Integer.parseInt(command.get("startX").toString());
            startY = Integer.parseInt(command.get("startY").toString());
            endX = Integer.parseInt(command.get("endX").toString());
            endY = Integer.parseInt(command.get("endY").toString());
            Graphics2D g2 = shape.getBufImage().createGraphics();
            Color c1 = toColor(command.get("color").toString());
            g2.setColor(c1);
            String type = command.get("shape").toString();
            drawDragged(type, g2);
            shape.repaint();
        }
        else if(command.get("operation").toString().equals("type")) {
            String type = command.get("shape").toString();  //shape, text
            Graphics2D g2 = shape.getBufImage().createGraphics();
            text+=command.get("text").toString(); //text,"keyboardinput"

            Color c1 = toColor(command.get("color").toString());
            g2.setColor(c1);
            drawText(type, g2,text);
            shape.repaint();

        }

    }

    private void drawDragged(String type, Graphics2D g2) {
        switch (type) {
            case "eraser":
                // g2.setColor(Color.white);
                g2.setColor(new Color(254, 255, 255));// similar to white
                g2.setStroke(new BasicStroke(20));
                g2.drawLine(startX, startY, endX, endY);
                g2.setColor(this.c);
                break;
            case "pen":
                // how to implement the pen func
                g2.drawLine(startX, startY, endX, endY);
                break;
            default:
                break;
        }

    }

    private void drawText(String type, Graphics2D g2,String text) {


        g2.drawString(text,startX,startY);

    }

    public void drawUpdate(String object, Graphics2D g2) {

        switch (object) {
            case "line":

                g2.drawLine(startX, startY, endX, endY);

                break;
            case "rectangle":
                if(startX<endX&&startY<endY) {
                    g2.drawRect(startX, startY, endX - startX,endY - startY);
                }else if(startX<endX&&startY>endY) {
                    g2.drawRect(startX, endY, endX - startX,startY-endY);
                }else if(startX>endX&&startY<endY) {
                    g2.drawRect(endX, startY,startX-endX,endY - startY);
                    //System.out.println("1111");
                }else if(startX>endX&&startY>endY) {
                    g2.drawRect(endX, endY,startX-endX,startY-endY);
                }
                break;
            case "circle":
                if(startX<endX&&startY<endY) {
                    g2.drawArc(startX, startY, endX - startX, endX - startX, 0, 360);
                }else if(startX<endX&&startY>endY) {
                    g2.drawArc(startX, endY, endX - startX, endX - startX, 0, 360);
                }else if(startX>endX&&startY<endY) {
                    g2.drawArc(endX, startY, startX-endX, startX-endX, 0, 360);
                }else if(startX>endX&&startY>endY){
                    g2.drawArc(endX, endY, startY-endY, startY-endY, 0, 360);//weired
                    //System.out.println("11111");
                }
                break;
            case "oval":
                if(startX<endX&&startY<endY) {
                    g2.drawOval(startX, startY, endX - startX, endY - startY);
                }else if(startX<endX&&startY>endY) {
                    g2.drawOval(startX, endY, endX - startX,startY-endY);
                }else if(startX>endX&&startY<endY) {
                    g2.drawOval(endX, startY, startX-endX,endY - startY);
                }else if(startX>endX&&startY>endY){
                    g2.drawOval(endX, endY, startX-endX, startY-endY);
                    //System.out.println("11111");
                }
                break;


            default:
                break;
        }
    }

    public static Color toColor(String str) {

        int i = Integer.parseInt(str.substring(1), 16);

        return new Color(i);

    }

    public String convertToString(int[][] array, int row, int col) {
        String str = "";
        String newStr = null;
        for (int i = 0; i < row; i++) {
            for (int j = 0; j < col; j++) {
                newStr = String.valueOf(array[i][j]);
                str = str + newStr + ",";
            }
        }
        return str;
    }

    public int[][] convertToArray(String str, int row, int col) {
        int[][] intArray = new int[row][col];
        int count = 0;
        String[] strArray = str.split(",");
        for (int i = 0; i < row; i++) {
            for (int j = 0; j < col; j++) {
                intArray[i][j] = Integer.parseInt(strArray[count]);
                ++count;
            }
        }
        return intArray;
    }

    public void keyTyped(KeyEvent e) {
        // TODO Auto-generated method stub
        String str=String.valueOf(e.getKeyChar());
        shape.setText(str);
        //  System.out.println(str);
        Graphics2D ga =shape.getBufImage().createGraphics();
        JSONObject command = new JSONObject();
        command.put("command_name", "draw");
        command.put("operation", "type");
        command.put("shape", "text");
        command.put("text", str);
        command.put("color",shape.getColor());
        command.put("which", "0");
        try {
            os.writeUTF(command.toString());
            os.flush();
        } catch (Exception e1) {
            // TODO Auto-generated catch block
            //System.out.println("Connection Lost! Please close the application.");
            JOptionPane.showMessageDialog(null, "Connection Lost! Closing thhe application");
            System.exit(0);
        }


        shape.drawText(ga);
        //this.repaint();
        shape.repaint();
    }

    @Override
    public void keyPressed(KeyEvent e) {
        // TODO Auto-generated method stub

    }

    @Override
    public void keyReleased(KeyEvent e) {
        // TODO Auto-generated method stub

    }

    @Override
    public void windowOpened(WindowEvent e) {
        // TODO Auto-generated method stub

    }

    @Override
    public void windowClosing(WindowEvent e) {
        JSONObject newCommand = new JSONObject();
        newCommand = new JSONObject();
        newCommand.put("command_name", "close");
        try {
            os.writeUTF(newCommand.toJSONString());
            os.flush();
            os.close();
            manager.is.close();
            manager.client.close();
        } catch (Exception e2) {
            //   System.out.println("Connection Lost! Please close the application.");
            JOptionPane.showMessageDialog(null, "Connection lost! Closing the application.");
            System.exit(0);
        } finally {
            System.exit(0);
        }

    }

    @Override
    public void windowClosed(WindowEvent e) {
        // TODO Auto-generated method stub

    }

    @Override
    public void windowIconified(WindowEvent e) {
        // TODO Auto-generated method stub

    }

    @Override
    public void windowDeiconified(WindowEvent e) {
        // TODO Auto-generated method stub

    }

    @Override
    public void windowActivated(WindowEvent e) {
        // TODO Auto-generated method stub

    }

    @Override
    public void windowDeactivated(WindowEvent e) {
        // TODO Auto-generated method stub

    }



}

class ComboBoxRenderer extends JPanel implements ListCellRenderer
{

    private static final long serialVersionUID = -1L;
    private Color[] colors;
    private String[] strings;

    JPanel textPanel;
    JLabel text;

    public ComboBoxRenderer(JComboBox combo) {

        textPanel = new JPanel();
        textPanel.add(this);
        text = new JLabel();
        text.setOpaque(true);
        text.setFont(combo.getFont());
        textPanel.add(text);
    }

    public void setColors(Color[] col)
    {
        colors = col;
    }

    public void setStrings(String[] str)
    {
        strings = str;
    }

    public Color[] getColors()
    {
        return colors;
    }

    public String[] getStrings()
    {
        return strings;
    }

    @Override
    public Component getListCellRendererComponent(JList list, Object value,
                                                  int index, boolean isSelected, boolean cellHasFocus) {

        if (isSelected)
        {
            setBackground(list.getSelectionBackground());
        }
        else
        {
            setBackground(Color.WHITE);
        }

        if (colors.length != strings.length)
        {
            System.out.println("colors.length does not equal strings.length");
            return this;
        }
        else if (colors == null)
        {
            System.out.println("use setColors first.");
            return this;
        }
        else if (strings == null)
        {
            System.out.println("use setStrings first.");
            return this;
        }

        text.setBackground(getBackground());

        text.setText(value.toString());
        if (index>-1) {
            text.setForeground(colors[index]);
        }
        return text;
    }
}