an example where I replace panels instead of updating:
dropDownExercise = new DropDownChoice("exercise", new Model(),
new PropertyModel(selectedCategory,
"exercises"),
new HasNameRender()) {
@Override
protected boolean wantOnSelectionChangedNotifications()
{
return true;
}
@Override
protected void onSelectionChanged(Object newSelection) {
super.onSelectionChanged(newSelection);
selectedExercise.setObject(newSelection);
Panel panel = new
ExercisePanel(EXERCISE_PANEL_ID,
selectedExercise);
exercisePanel.replaceWith(panel);
exercisePanel = panel;
}
};
2009/8/5 nino martinez wael <[email protected]>:
> hmm what I have is this:
>
> �...@override
> protected void onSelectionChanged(Object newSelection)
> {
> // TODO Auto-generated method stub
> super.onSelectionChanged(newSelection);
>
> selectedCategoryNameTranslatable.modelChanged();
> dropDownExercise.setModelObject(null);
>
> dropDownExercise.setChoices(((ExerciseCategory) newSelection)
> .getExercises());
> dropDownExercise.setVisible(true);
> }
>
> it's from an old 1.3 project... So seems similar to what you do..
>
> 2009/8/5 David Leangen <[email protected]>:
>>
>> Hello!
>>
>> I have a form in a panel like so:
>>
>> public class MyPanel extends Panel
>> {
>> Object someModelObject;
>>
>> public MyPanel( ... )
>> {
>> setModel( new Model( Object ) );
>> ....
>>
>> add( new MyForm( ... ) );
>> }
>>
>> private static MyForm extends Form
>> {
>> private final MyPanel panel;
>>
>> MyForm( ... )
>> {
>> add( new TextField( "text", new PropertyModel( panel,
>> "someModelObject" );
>>
>> add( new MyDropDownChoice( "dropdown" ..., new PropertyModel(
>> panel, "someModelObject" );
>> }
>> }
>>
>> }
>>
>>
>>
>> I have MyDropDownChoice set to capture onChange, and in onSelectionChanged I
>> update the model object.
>>
>> Problem is that the field is not getting updated upon refresh, even if the
>> model object is being changed (yes, the model is indeed changed, and yes,
>> they all refer to the same model).
>>
>> Do I need to mark the model object as dirty or something for the other
>> components to refresh?
>>
>> BTW, in onSelectionChanged, I tried:
>>
>> panel.modelChanged();
>>
>> but that didn't help much.
>>
>>
>> Thanks!
>> =David
>>
>>
>>
>>
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>>
>
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