Hi,
can you elaborate a little bit more what behavior you want to achieve? I
mean, C becomes empty because A#onSelectionChanged sets its model to
null. This should not be strange.
I have a form with with 3 choice components:
A) DropDownChoice
B) DropDownChoice
C) ListMultipleChoice
The values of B depend on selected value of A.
The values of C depend on selected values of A and B
I override the wantOnSelectionChangedNotifications() and
onSelectionChanged() methods of A and B.
A#onSelectionChanged
@Override
protected void onSelectionChanged(IntegerSelectChoice newSelection) {
super.onSelectionChanged(newSelection);
SearchForm.this.getModelObject().setInstrument(null);
SearchForm.this.getModelObject().setParams(null);
}
B#onSelectionChanged
@Override
protected void onSelectionChanged(IntegerSelectChoice newSelection) {
super.onSelectionChanged(newSelection);
SearchForm.this.getModelObject().setParams(null);
}
In A I set to null the model value of both B and C.
In B I set to null the model value only of B.
This code works only on the startup of the form. When I change the
value in A the list of C become empty. I have to change the value of B
to fill C.
How can I manage this?
A
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