public String getToolTipText(MouseEvent e) {
int r = rowAtPoint(e.getPoint());
int c = columnAtPoint(e.getPoint());
Object value;
try {
value = getValueAt(r, c);
} catch (Exception e1) {
// If we encounter a row that should not actually exist and therefore
// has a null value. Just return an empty string for the tooltip.
return "";
}
String tooltipValue = null;
if (value instanceof JLabel) {
tooltipValue = ((JLabel) value).getToolTipText();
}
if (value instanceof JLabel && tooltipValue == null) {
tooltipValue = ((JLabel) value).getText();
} else if (value != null && tooltipValue == null) {
tooltipValue = value.toString();
} else if (tooltipValue == null) {
tooltipValue = "";
}
return GraphicUtils.createToolTip(tooltipValue);
}
