public void actionPerformed(ActionEvent e) {
Object src = e.getSource();
if (src == add) {
// Selection has been made, or add button pressed:
if ((sel != null) && (sel.getSelectedItem() != null)) {
String s = sel.getSelectedItem().toString();
addField(s);
} else if ((input != null) && !input.getText().equals("")) {
addField(input.getText());
}
} else if (src == input) {
addField(input.getText());
} else if (src == remove) {
// Remove button pressed:
removeSelected();
} else if (src == sel) {
if (e.getActionCommand().equals("comboBoxChanged") && (e.getModifiers() == 0))
// These conditions signify arrow key navigation in the dropdown list, so we should
// not react to it. I'm not sure if this is well defined enough to be guaranteed to work
// everywhere.
return;
String s = sel.getSelectedItem().toString();
addField(s);
sel.getEditor().selectAll();
} else if (src == up) {
move(-1);
} else if (src == down) {
move(1);
}
}
