ActionPerformed to get the selectiom of an item in a comboBox.

Question

hi,
to select an item in a comboBox, actionPerformed works fine
if the item is selected the first.
comboBox.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                // do something
but
actionPerformed don't works to select an item in a combobox with only one item
and
it don't work if the user select the same item more than one time...
I would ask: what is the best way to get always, and in every case, the selection of an
item in a combobox ?
thank in advance for any suggestion
regards
tonyMrsangelo

Answer 1

thank you Joerg for answering me,
I understand your code, but your solution is not what I am looking for.., because you use a button to
select items, and I don't will it.
My problem has a this scenario:
a JTable show informations, and a column in the JTable contain comboBoxs.
The items of bomboBoxes are sintetics information, and, clicking an item of the comboBoxes, a window
is loaded to show them better..
To not complicate the project of the GUI, I prefer don't use buttons, the user have to be able to load the window only clicking
the items of the comboboxes...
Actually I spent some time to look for a solution, and I found something similar what you proposed:
*I used two listener to manage the action to click the items of comboboxes..
- ActionListener when they are many items in the comboBox
- MouseListener when it is only one item in the comboBox*
            comboBox.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    if(comboBox.getItemCount()> 1){
                        showDedailsOfSelectedTreatment(comboBox);
            comboBox.addMouseListener(new MouseAdapter() {
                public void mouseClicked(MouseEvent e) {
                    if(comboBox.getItemCount()==1){
                        showDedailsOfSelectedTreatment(comboBox);
            });Reading your proposal I think that I did the best possible...
as well I think the framework to manage listener for comboBoxes could be better..
please let me know what you think about..
thank you
regards
tonyMrsangelo