package net.starmen.pkhack;

/*
 * =====================================================================
 * 
 * HexTableModel.java
 * 
 * Created by Claude Duguay Copyright (c) 2001
 * 
 * =====================================================================
 */

import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;

import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
import javax.swing.table.TableModel;

public class HexTableModel implements TableModel
{
    protected static final String HEX = "0123456789ABCDEF";

    protected ArrayList listeners = new ArrayList();

    protected String[] names = {"Address", "0", "1", "2", "3", "4", "5", "6",
        "7", "8", "9", "A", "B", "C", "D", "E", "F", "Text"};

    protected HexData data;

    public HexTableModel(HexData data)
    {
        this.data = data;
    }

    public Class getColumnClass(int index)
    {
        return String.class;
    }

    public String getColumnName(int col)
    {
        return names[col];
    }

    public int getColumnCount()
    {
        return names.length;
    }

    public int getRowCount()
    {
        return data.getRowCount();
    }

    public boolean isCellEditable(int row, int col)
    {
        //      return col > 0 && col < 17;
        if (row == (getRowCount() - 1) && col > data.getLastRowSize())
        {
            return false;
        }
        int max = getColumnCount() - 1;
        return col != 0 && col != max;
    }

    public Object getValueAt(int row, int col)
    {
        int max = getColumnCount() - 1;
        if (col == 0)
        {
            return HackModule.addZeros(Integer.toHexString(row * 16), 6) + ":";
        }
        if (col == max)
        {
            try
            {
                return new String(data.getRow(row), "US-ASCII");
            }
            catch (UnsupportedEncodingException e)
            {
                return new String("Bytes to String error.");
            }
        }
        //    if (row == (data.getRowCount() - 1) &&
        //      col >= data.getLastRowSize())
        //    {
        //      return "";
        //    }
        return HackModule.addZeros(Integer.toHexString(0xff & data.getByte(row,
            col - 1)), 2);
    }

    public void setValueAt(Object value, int row, int col)
    {
        String hex = HackModule.addZeros(value.toString(), 2);
        data.setByte(row, col - 1, (byte) Integer.parseInt(hex, 16));
        int max = getColumnCount() - 1;
        fireModelChangeEvent(row, col - 1);
        fireModelChangeEvent(row, max);
    }

    protected void fireModelChangeEvent(int row, int col)
    {
        List list = (ArrayList) listeners.clone();
        TableModelEvent event = new TableModelEvent(this, row, row, col);
        for (int i = 0; i < list.size(); i++)
        {
            TableModelListener listener = (TableModelListener) list.get(i);
            listener.tableChanged(event);
        }
    }

    public void addTableModelListener(TableModelListener listener)
    {
        listeners.add(listener);
    }

    public void removeTableModelListener(TableModelListener listener)
    {
        listeners.remove(listener);
    }
}