log_tv.getTable().addMouseListener(new MouseAdapter() {
			@Override
			public void mouseDoubleClick(MouseEvent e) {
				ViewerCell cell = log_tv.getCell(new Point(e.x, e.y));
				if (cell == null)
					return;
				int col = cell.getColumnIndex();
				LogEntry entry = (LogEntry) cell.getElement();
				String val = null;
				switch (col) {
				case 1:
					val = entry.getId();
					break;
				case 2:
					val = entry.getTimeStamp().toString();
					break;
				case 3:
					val = entry.getEvent();
					break;
				case 4:
					val = entry.getDetail();
					break;
				}
				// open the undone detail dialog populated with val
			}
		});