@Override
public Component getListCellRendererComponent(
JList<? extends E> list, E value, int index, boolean isSelected, boolean cellHasFocus) {
label.setText(Objects.toString(value, ""));
this.list = list;
this.index = index;
if (isSelected) {
setBackground(list.getSelectionBackground());
label.setForeground(list.getSelectionForeground());
} else {
setBackground(index % 2 == 0 ? EVEN_COLOR : list.getBackground());
label.setForeground(list.getForeground());
}
MutableComboBoxModel m = (MutableComboBoxModel) list.getModel();
if (index < 0 || m.getSize() - 1 <= 0) {
setOpaque(false);
deleteButton.setVisible(false);
label.setForeground(list.getForeground());
} else {
boolean f = index == rolloverIndex;
setOpaque(true);
deleteButton.setVisible(true);
deleteButton.getModel().setRollover(f);
deleteButton.setForeground(f ? Color.WHITE : list.getForeground());
}
return this;
}
@Override
public void actionPerformed(ActionEvent e) {
MutableComboBoxModel m = (MutableComboBoxModel) list.getModel();
if (m.getSize() > 1) {
m.removeElementAt(index);
comboBox.showPopup();
}
}