this.setLocationByPlatform(true);
downloadTable.setDefaultRenderer(JProgressBar.class, new ProgressRenderer(1000));
downloadTable.setDefaultRenderer(ByteRateRenderer.class, new ByteRateRenderer());
downloadTable.setDefaultRenderer(ByteRenderer.class, new ByteRenderer());
downloadTable.setDefaultRenderer(ListRenderer.class, new ListRenderer());
downloadTable.setDefaultRenderer(TimeRenderer.class, new TimeRenderer());
downloadTable.setDefaultRenderer(String.class, new DefaultTableCellRenderer());
downloadTable.getSelectionModel().addListSelectionListener(this);
taskList.getSelectionModel().addListSelectionListener(this);