// TreeClassics Program
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;

public class TreeClassics extends JFrame
{
    //include aspects of GUI
    private JTextField quantityField, thicknessField, widthField,
            plysField, modelField, heightField, tipField, groupField;
            // modelField, heightField, tipField, groupField have not been
            // implemented yet; for panel 3
    //
    private JEditorPane scrollListContent;
    private JTextArea enteredContent;
    private JList enteredItemsList, loadedList, buggerList;

    // Labels for field input identifier
    private JLabel quantityLabel, thicknessLabel,
            widthLabel, colorLabel, plysLabel,
            productionLabel, informLabel, specifyLabel, helpLabel,
            help2Label, help3Label, help4Label, help5Label,
            model1Label, quantity1Label, width1Label, plys1Label,
            color1Label, thickness1Label;

    // The three tab panels
    private JPanel panel1, panel2, panel3;

    // Combobox selection system
    private JComboBox modelComboBox, colorComboBox;

    private JScrollPane orderScrollPane, enteredScrollPane, orderScrollPane2;

    private JButton
        loadModelsButton, enterButton, removeTempItemsButton,
        saveListButton, deleteModelsButton, modelInfoButton,
        modelButton, thicknessButton, widthButton, colorButton,
        loadListButton, clearListButton, loadListButton2, selectButton;
    
    private Vector<Model> modelList;
    private String[] colors = {"Green", "Teal", "Dark Blue", "White", "Gray"};
    private OrderList prodList;

    private TreeClassics()
    {
        // GUI Setup for program
        super("Tree Classics Production Line");

        this.prodList = new OrderList();
        this.modelList = new Vector<Model>();

        // Creating JTabbed Pane
        JTabbedPane tabbedPane = new JTabbedPane();

        // -------------------------PANEL 1 INTERFACE---------------------------
        // Set up Panel 1
        JLabel label1 = new JLabel();
        panel1 = new JPanel( null );
        panel1.add( label1 );
        tabbedPane.addTab( "                 Production Order                 ",
           null, panel1, "Production orders are created here");

        // Model number selection label
        productionLabel = new JLabel( "Model Number");
        productionLabel.setBounds( 20, 20, 100, 20 );
        panel1.add( productionLabel );

        // Add Combo Box into Panel 1: PRODUCTION ORDER
        modelComboBox = new JComboBox();
        modelComboBox.setBounds(20, 40, 150, 20);
        panel1.add(modelComboBox);

        // Add Help Button into Panel1
        modelInfoButton = new JButton( "Model Information" );
        modelInfoButton.setBounds( 20, 70, 150, 20);
        panel1.add(modelInfoButton);

        // Titles for Selection and treeData types
        // Quantity
        quantityLabel = new JLabel( "Quantity");
        quantityLabel.setBounds( 250, 20, 100, 20 );
        panel1.add(quantityLabel);

        // Thickness
        thicknessLabel = new JLabel( "Thickness");
        thicknessLabel.setBounds( 250, 75, 100, 20 );
        panel1.add(thicknessLabel);

        // Width
        widthLabel = new JLabel( "Width");
        widthLabel.setBounds( 370, 20, 100, 20 );
        panel1.add(widthLabel);

        // Color
        colorLabel = new JLabel( "Color");
        colorLabel.setBounds( 490, 20, 100, 20 );
        panel1.add(colorLabel);

        // Plys
        plysLabel = new JLabel( "Plys");
        plysLabel.setBounds( 370, 75, 100, 20 );
        panel1.add( plysLabel );
        
        // Color 1 Label
        color1Label = new JLabel( "Color");
        color1Label.setBounds( 320, 130, 100, 20 );
        panel1.add(color1Label);
        
        // Models 1 Label
        model1Label = new JLabel( "Model Number");
        model1Label.setBounds( 20, 130, 100, 20 );
        panel1.add(model1Label);
        
        // quantity 1 Label
        quantity1Label = new JLabel( "Quantity");
        quantity1Label.setBounds( 120, 130, 100, 20 );
        panel1.add(quantity1Label);
        
        // thickness 1 Label
        thickness1Label = new JLabel( "Thickness");
        thickness1Label.setBounds( 185, 130, 100, 20 );
        panel1.add(thickness1Label);
        
        // width 1 Label
        width1Label = new JLabel( "Width");
        width1Label.setBounds( 260, 130, 100, 20 );
        panel1.add(width1Label);
        
        // plys 1 Label
        plys1Label = new JLabel( "Plys");
        plys1Label.setBounds( 370, 130, 100, 20 );
        panel1.add(plys1Label);

        // Quantity field input
        quantityField = new JTextField();
        quantityField = new JTextField("0", 15 );
        quantityField.setBounds( 250, 40 , 100, 20);
        panel1.add( quantityField );

        // Width field input
        widthField = new JTextField();
        widthField = new JTextField("0", 15 );
        widthField.setBounds( 370, 40 , 100, 20);
        panel1.add( widthField );

        // Thickness field input
        thicknessField = new JTextField();
        thicknessField = new JTextField("0", 15 );
        thicknessField.setBounds( 250, 95 , 100, 20);
        panel1.add(thicknessField);

        // Plys field input
        plysField = new JTextField();
        plysField = new JTextField("0", 15 );
        plysField.setBounds( 370, 95 , 100, 20);
        panel1.add(plysField);

        // Color scroll pane input
        colorComboBox = new JComboBox( colors );
        colorComboBox.setMaximumRowCount( 5 );
        colorComboBox.setBounds( 490, 40, 100, 20 );
        colorComboBox.setSelectedIndex( 0 );
        panel1.add(colorComboBox);

        // Panel 1 scroll pane for entered information
        //enteredContent = new JTextArea();
        //enteredContent.setEditable(false);
        enteredItemsList = new JList(prodList);
        enteredScrollPane = new JScrollPane(enteredItemsList);
        enteredScrollPane.setBounds(20,150,400,150);
        enteredScrollPane.createVerticalScrollBar();
        panel1.add(enteredScrollPane);

        // Add Enter Button into Panel1
        enterButton = new JButton("Enter");
        enterButton.setBounds( 450, 150 , 100, 20);
        panel1.add(enterButton);

        removeTempItemsButton = new JButton("Remove Selected");
        removeTempItemsButton.setBounds( 450, 180 , 150, 20);
        panel1.add(removeTempItemsButton);

        // Add Save Button into Panel1
        saveListButton = new JButton( "Save List" );
        saveListButton.setBounds( 450, 210 , 150, 20);
        panel1.add(saveListButton);

        // Add load model button into Panel1
        loadModelsButton = new JButton("Load Model Set");
        loadModelsButton.setBounds( 450, 240, 150, 20);
        panel1.add( loadModelsButton);

        // Add delete model button into Panel1
        deleteModelsButton = new JButton("Delete Model Set");
        deleteModelsButton.setBounds( 450, 270, 150, 20);
        panel1.add(deleteModelsButton);

        // ------------------PANEL 2 INTERFACE----------------------------------
        // Set up Panel 2
        JLabel label2 = new JLabel( "Panel Two", SwingConstants.CENTER );
        panel2 = new JPanel( null );
        panel2.add( label2 );
        tabbedPane.addTab( "                    List Orders                 ",
            null, panel2, "Orders are listed and organized here");

        // Add Infomer Label into Panel 2
        informLabel = new JLabel( "Information of this list");
        informLabel.setBounds( 40, 20, 300, 20 );
        panel2.add( informLabel );

        // Add scroll pane label into Panel 2
        informLabel = new JLabel( "Model                 Quantity          Thickness   Width            Color        Plys");
        informLabel.setBounds( 20, 60, 400, 20 );
        panel2.add( informLabel );

        // Panel 2 scroll pane
        scrollListContent = new JEditorPane();
        scrollListContent.setEditable(false);
        orderScrollPane = new JScrollPane(scrollListContent);
        orderScrollPane.setBounds(20,80,400,220);
        orderScrollPane.createVerticalScrollBar();
        panel2.add(orderScrollPane);

        // Add Sort by Model Button into Panel2
        modelButton = new JButton( "Sort by Model #" );
        modelButton.setBounds( 450, 80 , 150, 20);
        panel2.add( modelButton );

        // Add Sort by Thickness Button into Panel2
        thicknessButton = new JButton( "Sort by Thickness" );
        thicknessButton.setBounds( 450, 170 , 150, 20);
        panel2.add( thicknessButton );

        // Add Sort by Width Button into Panel2
        widthButton = new JButton( "Sort by Width" );
        widthButton.setBounds( 450, 110 , 150, 20);
        panel2.add( widthButton );

        // Add Sort by Color Button into Panel2
        colorButton = new JButton( "Sort by Color" );
        colorButton.setBounds( 450, 140 , 150, 20);
        panel2.add( colorButton );

        // Add Load Button into Panel2
        loadListButton = new JButton( "Load List" );
        loadListButton.setBounds( 450, 200 , 150, 20);
        panel2.add(loadListButton);

        // Add Clear Button into Panel2
        clearListButton = new JButton( "Clear List" );
        clearListButton.setBounds( 450, 230 , 150, 20);
        panel2.add(clearListButton);

        // ------------------PANEL 3 INTERFACE----------------------------------
        // Set up Panel 3: For Printing
        JLabel label3 = new JLabel( "Panel Three", SwingConstants.CENTER );
        panel3 = new JPanel( null );
        panel3.add( label3 );
        tabbedPane.addTab( "                  HELP PANEL                    ",
             null, panel3, "Select the set of data of models to use");


        // Add Specify Label into Panel 3
        specifyLabel = new JLabel( "WELCOME TO THE HELP PANEL");
        specifyLabel.setBounds( 40, 20, 200, 20 );
        panel3.add( specifyLabel );
        
        // Add Help Label into Panel 3
        helpLabel = new JLabel( "Step 1. LOAD MODEL SET");
        helpLabel.setBounds( 40, 60, 200, 20 );
        panel3.add( helpLabel );

        // Add Help2 Label into Panel 3
        help2Label = new JLabel( "Step 2. INSERT ALL NECCESARY DATA INTO FIELDS");
        help2Label.setBounds( 40, 80, 300, 20 );
        panel3.add( help2Label );
        
        // Add Help3 Label into Panel 3
        help3Label = new JLabel( "Step 3. SAVE / EDIT LIST AND PROCEED TO PANEL 2 ");
        help3Label.setBounds( 40, 100, 300, 20 );
        panel3.add( help3Label );
        
        // Add Help4 Label into Panel 3
        help4Label = new JLabel( "Step 4. INSERT ALL NECCESARY DATA ");
        help4Label.setBounds( 40, 120, 300, 20 );
        panel3.add( help4Label );
        
        // Add Help5 Label into Panel 3
        help5Label = new JLabel( "Step 5. INSERT ALL NECCESARY DATA ");
        help5Label.setBounds( 40, 140, 300, 20 );
        panel3.add( help5Label );
        
        getContentPane().add( tabbedPane );
        setSize( 640, 400 );
        setVisible(true);

        //Panel 1 handlers------------------------------------------------------
        // Help button to check fields entry
        modelInfoButton.addActionListener (
            new ActionListener()
            { public void actionPerformed( ActionEvent e) {showModelInfo();} }
        );

        // Enter button to check fields entry
        enterButton.addActionListener (
            new ActionListener()
            { public void actionPerformed(ActionEvent e) {readInput();} }
        );

        // button to remove selected items from temp list
        removeTempItemsButton.addActionListener (
            new ActionListener()
            { public void actionPerformed(ActionEvent e) {removeTempItems();} }
        );

        // Save button call
        saveListButton.addActionListener (
            new ActionListener()
            { public void actionPerformed(ActionEvent e) {saveList();} }
        );

        // Load button call
        loadModelsButton.addActionListener(
            new ActionListener()
            { public void actionPerformed(ActionEvent e) {loadModels();} }
        );

        // Clear button
        deleteModelsButton.addActionListener (
            new ActionListener()
            { public void actionPerformed( ActionEvent e) {deleteModels();} }
        );

        //Panel 2 handlers------------------------------------------------------
        // Load button call
        loadListButton.addActionListener(
            new ActionListener()
            { public void actionPerformed(ActionEvent e) {openList();} }
        );

        // Clear button
        clearListButton.addActionListener (
            new ActionListener()
            { public void actionPerformed(ActionEvent e) {clearList();} }
        );

        // Sort by model button
        modelButton.addActionListener (
            new ActionListener()
            {
                public void actionPerformed(ActionEvent e) {prodList.sort(0);
                scrollListContent.setText(prodList.toString());
            } }
        );

        // Sort by thickness button
        modelButton.addActionListener (
            new ActionListener()
            {
                public void actionPerformed(ActionEvent e) {prodList.sort(1);
                scrollListContent.setText(prodList.toString());
            } }
        );

        // Width sort button
        widthButton.addActionListener (
            new ActionListener()
            {
                public void actionPerformed(ActionEvent e) {prodList.sort(2);
                scrollListContent.setText(prodList.toString());
            } }
        );

        // Color sort button
        colorButton.addActionListener (
            new ActionListener()
            {
                public void actionPerformed(ActionEvent e) {prodList.sort(3);
                scrollListContent.setText(prodList.toString());
            } }
        );
        
        //Panel 3 handlers------------------------------------------------------
        // Load button call
    }

    //read from input fields, then add item to list
    private void readInput()
    {
        String modelNo = (String)(modelComboBox.getSelectedItem());
        if (modelNo == null) return;
        try {
            int quantity = Integer.parseInt(quantityField.getText());
            double thickness = Double.parseDouble(thicknessField.getText());
            double width = Double.parseDouble(widthField.getText());
            String color = (String)(colorComboBox.getSelectedItem());
            double plys = Double.parseDouble(plysField.getText());

            if (quantity < 0 || thickness < 0 || width < 0 || plys < 0)
                throw new NumberFormatException("Negative attributes");
            prodList.add(
                new TreeData( modelNo, quantity, thickness, width, color, plys));
            // Repaints the scroll pane to display newly entered data
            enteredItemsList.setListData(prodList);
        }
        catch (NumberFormatException e)
        {   JOptionPane.showMessageDialog(this, "At least 1 field is illegal",
                  "Error", JOptionPane.ERROR_MESSAGE ); }
    }

    private void removeTempItems()
    {
        int[] select = enteredItemsList.getSelectedIndices();
        for (int i = select.length-1; i >= 0; i--)
        {
            int selectIndex = select[i];
            if (selectIndex < 0) return;
            prodList.removeElementAt(selectIndex);
            enteredItemsList.removeSelectionInterval(selectIndex, selectIndex);
            enteredItemsList.repaint();
        }
    }

    //pop up a window showing model info
    private void showModelInfo()
    {
        //(String)(modelComboBox.getSelectedItem())
    }

    /**
    * CLEAR FILE
    * Clears the scroll list pane in the 2nd panel
    */
    private void clearList()
    {
        this.prodList = null; //Cleanup by garbage collector
        scrollListContent.setText("No list loaded.");
        panel2.repaint();
    }

    /**
     * OPEN FILE
     * Opens
     */
    private void openList()
    {
        File inFile = chooseFile(false);
        if (inFile == null) return;

        prodList = new OrderList(inFile, this);
        scrollListContent.setText(prodList.toString());
        //panel2.repaint();
    }

    //save list to file
    private void saveList()
    {
        if (prodList.size() == 0) {
            JOptionPane.showMessageDialog(this, "There is nothing to save",
                "ERROR", JOptionPane.ERROR_MESSAGE );
            return;
        }

        File outFile = chooseFile(true);
        if (outFile == null) return;
        if (outFile.exists())
            if (JOptionPane.showConfirmDialog(this,
                "File " + outFile.getName() + " already exists. Overwrite?",
                "WARNING", JOptionPane.YES_NO_OPTION,
                JOptionPane.WARNING_MESSAGE) == JOptionPane.NO_OPTION)
                return;

        try {
            FileWriter output = new FileWriter(outFile);
            String toWrite = prodList.toString();
            output.write(toWrite, 0, toWrite.length());
            output.flush();
            output.close();
        }
        catch (IOException e)
        {   JOptionPane.showMessageDialog(this, "File cannot be saved",
                  "ERROR", JOptionPane.ERROR_MESSAGE ); }
    }

    //load list of available models to combo box
    private void loadModels()
    {
        File inFile = chooseFile(false);
        if (inFile == null) return;
        try {
            if (!(inFile.exists()))
                throw new IOException("File does not exist");
            modelComboBox.removeAllItems();  //clean up before adding
            Scanner in = new Scanner(inFile);
            while (in.hasNextLine()) {
                Scanner lineScanner = new Scanner(in.nextLine());
                try {
                    String modelID = lineScanner.next();
                    double height = lineScanner.nextDouble();
                    int tipNum = lineScanner.nextInt();
                    int group = lineScanner.nextInt();
                    modelList.add(new Model(modelID, height, tipNum, group));
                    modelComboBox.addItem(modelID);
                }
                catch (NoSuchElementException e) { continue; }
            }
        }
        catch (IOException e)
        {   JOptionPane.showMessageDialog(this, "Error loading file",
                      "Error", JOptionPane.ERROR_MESSAGE); }
    }

    private File chooseFile(boolean saveDialog)
    {
        JFileChooser fileChooser = new JFileChooser();
        fileChooser.setFileSelectionMode( JFileChooser.FILES_ONLY );

        // open file chooser; if user clicked Cancel then return null
        int chooserDialogReturn;
        if (saveDialog)
            chooserDialogReturn = fileChooser.showSaveDialog(this);
        else
            chooserDialogReturn = fileChooser.showOpenDialog(this);
        if (chooserDialogReturn == JFileChooser.CANCEL_OPTION)
            return null;

        return fileChooser.getSelectedFile(); // get selected file
    }

    //clear model dropdown list
    private void deleteModels()
    {
        modelList.removeAllElements();
        modelComboBox.removeAllItems();
    }

    //================================MAIN======================================

    public static void main(String args[])
    {
        TreeClassics tabbedPane = new TreeClassics();
        tabbedPane.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
}

/**
 * The TreeData class
 */
public class TreeData
{
    private String modelNo;       // Tree model number (Format: XX-XXX-XXX)
    private int quantity;       // Quantity of desired tree model
    private double thickness;   // Thickness of plys needed for each tree (mm)
    private double width;
    private String color;
    private double plys;

    // Class constructor (blank data)
    public TreeData()
    {}

    // Class constructor (new data)
    public TreeData(String modelNo, int quantity, double thickness,
        double width, String color, double plys)
    {
        setModelNo(modelNo);
        setQuantity(quantity);
        setThickness(thickness);
        setWidth(width);
        setColor(color);
        setPlys(plys);
    }

    public void setQuantity(int quantity)
    {this.quantity = quantity; }

    public int getQuantity()
    {return quantity; }

    public void setModelNo(String modelNo)
    {this.modelNo = modelNo;}

    public String getModelNo()
    {return modelNo;}

    public void setThickness(double thickness)
    {this.thickness = thickness;}

    public double getThickness()
    {return thickness;}

    public void setWidth(double width)
    {this.width = width;}

    public double getWidth()
    {return width;}

    public void setColor(String color)
    {this.color = color;}

    public String getColor()
    {return color;}

    public void setPlys(double plys)
    {this.plys = plys;}

    public double getPlys()
    {return plys;}

    public String toString()
    {
        return modelNo + "                   " + quantity + "                " + thickness + "               " + width +
            "             " + color + "         " + plys;
    }

    public boolean equals(Object o)
    {
        if (!(o instanceof TreeData))
            throw new IllegalArgumentException("Wrong type: expects TreeData");

        TreeData item = (TreeData)o;
        if (item.modelNo == modelNo &&
            item.thickness == thickness &&
            item.width == width &&
            item.color.equals(color) &&
            item.plys == plys)
            return true;
        else
            return false;
    }
}

/**


import java.io.*;
import java.util.*;
import javax.swing.*;
import java.awt.*;

public class OrderList extends Vector<TreeData>
{
    public static final int SORT_BY_MODEL_NO = 0;
    public static final int SORT_BY_THICKNESS = 1;
    public static final int SORT_BY_WIDTH = 2;
    public static final int SORT_BY_COLOR = 3;

    // Constructor
    public OrderList()
    {
        super(); // accomodate 5 items, extend by 5 when overflow
    }

   /**
    * Constructor with stuff
    * @param file
    */
    public OrderList(File inFile, Component c)
    {
        try
        {
            Scanner in = new Scanner(inFile);
            while (in.hasNextLine())
            {
                Scanner lineScanner = new Scanner(in.nextLine());
                lineScanner.useDelimiter("\t");
                try {
                    String model = lineScanner.next();
                    int quantity = lineScanner.nextInt();
                    double thickness = lineScanner.nextDouble();
                    double width = lineScanner.nextDouble();
                    String color = lineScanner.next();
                    double plys = lineScanner.nextDouble();

                    add(new TreeData(model, quantity, thickness, width, color, plys));
                }
                catch (NoSuchElementException e) { continue; }
            }
        }
        catch (IOException e)
        {   JOptionPane.showMessageDialog(c, "Error Opening File",
                "Error", JOptionPane.ERROR_MESSAGE ); }
    }

    //add item to order list; if item of same specs exists, add to quantity
    public boolean add(TreeData item)
    {
        for (int i = 0; i < size(); i++) {
            TreeData temp = get(i);
            if (temp.equals(item)) {
                temp.setQuantity(temp.getQuantity() + item.getQuantity());
                return true;
            }
        }
        return super.add(item);
    }

    /**
     *
     * @param sortType
     */
    public void sort(int sortType)
    {
        quicksort(0, size()-1, sortType);
    }

    /**
     * Sort an array using Quicksort algorithm. Adapted from method in C at
     * http://www.tcnj.edu/~mmmartin/CMSC410/qs-complexity.doc
     * @param a An array of Comparable items.
     * @param left Start point of range.
     * @param right End point of range.
     */
    private void quicksort(int left, int right, int sortType)
    {
        if (left >= right) return;
        else
        {
            int l = left;
            int r = right;
            TreeData pivot = get((l+r)/2); // choose pivot as middle item
            // partition
            do
            {
                while (compare(get(l),pivot,sortType) < 0) l++;
                while (compare(get(r),pivot,sortType) > 0) r--;
                if (l <= r)
                {
                    // swap a[l] and a[r]
                    TreeData tmp = get(l);
                    set(l, get(r));
                    set(r, tmp);
                    // move on
                    l++;
                    r--;
                }
            }
            while (l <= r);

            // recursively sort left and right partitions
            quicksort(left, r, sortType);
            quicksort(l, right, sortType);
        }
    }

    /**
     * @param a First object of field type to compare
     * @param b Second object of field type to compare
     * @param sortType Identifier for field type
     */
    private int compare(TreeData a, TreeData b, int sortType)
    {
        String s1, s2;
        double d1, d2;

        // Sorts by model number or color (string type)
        switch (sortType)
        {
            case SORT_BY_MODEL_NO:
                s1 = a.getModelNo();
                s2 = b.getModelNo();
                // If s1 is <= s2, returns true
                return s1.compareTo(s2);
            case SORT_BY_COLOR:
                s1 = a.getColor();
                s2 = b.getColor();
                // If s1 is <= s2, returns true
                return s1.compareTo(s2);
            case SORT_BY_THICKNESS:
                // Class compare
                d1 = a.getThickness();
                d2 = b.getThickness();
                return Double.compare(d1,d2);
            case SORT_BY_WIDTH:
                // Class compare
                d1 = a.getWidth();
                d2 = b.getWidth();
                return Double.compare(d1,d2);
        }
        return 0;
    }

    /**
     *
     */
    public String toString()
    {
        String listOutput = "";
        for (int i = 0; i < size(); i++)
        {
            TreeData item = get(i);
            if (item == null) break;
            listOutput += item.toString() + "\r\n";
        }
        return listOutput;
    }

    /**
     *
     */
    public static void main(String[] args)
    {
        OrderList list = new OrderList();
        list.sort(SORT_BY_WIDTH);
        for (int i = 0; i<5; i++)
            System.out.println(list.get(i).toString());
    }
}

public class Model
{
    private String modelNo;
    private double height;
    private int tipNum;
    private int group;

    // Blank constructor
    public Model()
    {}

    // Enter values for model information
    public Model(String modelNo, double height, int tipNum, int group)
    {
        setModelNo(modelNo);
        setHeight(height);
        setTipNum(tipNum);
        setGroup(group);
    }

    // Model number methods
    public void setModelNo(String modelNo)
    {this.modelNo = modelNo;}

    public String getModelNo()
    {return modelNo;}

    // Height methods
    public void setHeight(double height)
    {this.height = height;}

    public double getHeight()
    {return height;}

    // tipNum methods
    public void setTipNum(int tipNum)
    {this.tipNum = tipNum;}

    public int getTipNum()
    {return tipNum;}

    // group methods
    public void setGroup(int group)
    {this.group = group;}

    public int getGroup()
    {return group;}
}