15th july

DOWNLOAD TABLE MODEL CLASS
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;

class DownloadsTableModel extends AbstractTableModel
implements Observer
{

private static final String[] columnNames = {"URL", "Size",
"Progress", "Status"};

private static final Class[] columnClasses = {String.class,
String.class, JProgressBar.class, String.class};

private ArrayList<Download> downloadList = new ArrayList<Download>();

public void addDownload(Download download) {

download.addObserver(this);
downloadList.add(download);

fireTableRowsInserted(getRowCount() - 1, getRowCount() - 1);
}

public Download getDownload(int row) {
return downloadList.get(row);
}

public void clearDownload(int row) {
downloadList.remove(row);

fireTableRowsDeleted(row, row);
}

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

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

public Class getColumnClass(int col) {
return columnClasses[col];
}

public int getRowCount() {
return downloadList.size();
}

public Object getValueAt(int row, int col)
{
Download download = downloadList.get(row);
switch (col) {
case 0: // URL
return download.getUrl();
case 1: // Size
int size = download.getSize();
return (size == -1) ? "" : Integer.toString(size);
case 2: // Progress
return new Float(download.getProgress());
case 3: // Status
return Download.STATUSES[download.getStatus()];
}
return "";
}

public void update(Observable o, Object arg) {
int index = downloadList.indexOf(o);

fireTableRowsUpdated(index, index);
}
}

PROGRESS RENDERER CLASS
import java.awt.*;
import javax.swing.*;
import javax.swing.table.*;

class ProgressRenderer extends JProgressBar
implements TableCellRenderer
{

public ProgressRenderer(int min, int max) {
super(min, max);
}

public Component getTableCellRendererComponent(
JTable table, Object value, boolean isSelected,
boolean hasFocus, int row, int column)
{

setValue((int) ((Float) value).floatValue());
return this;
}
}