/** Tells all the labels to draw a comma after the tag value, except for the last one */
private void refreshCommas() {
for (int i = 0; i < pTagValues.getComponentCount(); i++) {
JComponent c = (JComponent) pTagValues.getComponent(i);
if (c instanceof TagLabel) {
((TagLabel) c).setAddComma(i < pTagValues.getComponentCount() - 1);
}
}
}
