Binding to ComboBox

[dfischer]

I would really appreciate some help here. I have been playing with this for days now and it seems like it should be a pretty simple thing to do.

I have two classes.

public class Garage {
  private String name;
  private Set cars;

  // getters / setters omitted
}

public class Car {
  private String name;
  private String color;
  private Garage garage;

  // getters / setters omitted
}

I have created a class called CarGeneralForm that extends AbstractForm the createFormControl() looks like:

protected JComponent createFormControl() {
  TableFormBuilder formBuilder = new TableFormBuilder(getFormModel());

  JComboBox garageSelector = getFormModel().createBoundComboBox("garage", garageList.toArray());

  formBuilder.row();
  formBuilder.add("name"); // text field to accept the name
  formBuilder.row();
  formBuilder.add("color"); // text field to accept the color
  formBuilder.row();
  formBuilder.add("garage", garageSelector); // combo box containing all garages from the database
  return formBuilder.getForm();
}

My problem is that when I display this form in a properties window (so that you can edit the car), the garage is not selected in the ComboBox.

I am at a total loss on what I am doing wrong. I have searched the forums but have not been able to find anything that helps.

Thank you very much for any assistance that anyone could offer.[/code]

[oliverhutchison]

Do your Garage objects provide an implementation for equals?

[dfischer]

I just implemented the equals() but that did not do it. I did put some print statements in the equals(), it finds the one that it is equal to, but it is still not displayed in the combo box.

Any other ideas?

[oliverhutchison]

Sounds like a bug. I'd try tracing through the code to see exacactly whats going on. Start be placing a breakpoint in you equals method and see what the binding code does.

Ollie

[dfischer]

Very sorry, I replied to soon. That did work, I just had some other code in there that I had to remove first.

Thank you very much oliverhutchison! That was very helpful.