override newrecordercomponent() and add your validator there.
-igor
On Wed, Oct 7, 2009 at 11:56 AM, Troy Cauble <troycau...@gmail.com> wrote:
> I'm trying to validate that at most 5 items were selected with a Palette
> but I've had a series of problems. (Wicket 1.3.7)
>
> palette.getRecorderComponent().add(myCompValidator) fails because
> getRecorderComponent() returns null. I think it's created in onBeforeRender()
>
> So I switched to form validation.
>
> recorder.getInput() returns a string of comma separated choices "x, y, z".
> recorder.getInputAsArray() returns an array of 1 containing the same string.
> I suppose I could parse these strings, but what if the choices have commas?
>
> recorder.getSelectedChoices() seems to "lag the state by one submit".
> (Second submit with 6 will fail. Second submit with 5 will succeed.
> gSC should probably only be used after validation.)
>
> So what's the right approach?
> Thanks,
> -troy
>
>
> final Palette pal1 = .....
>
> form.add(new AbstractFormValidator() {
> private static final long serialVersionUID = 1L;
> �...@override
> public FormComponent[] getDependentFormComponents()
> {
> FormComponent out[] = new FormComponent[1];
> out[0] = pal1.getRecorderComponent();
> return out;
> }
> �...@override
> public void validate(Form form)
> {
> FormComponent r = pal1.getRecorderComponent();
> System.err.println("INPUT: " + r.getInput());
> String inputs[] = r.getInputAsArray();
> System.err.println("ARRAY SIZE: " + inputs.length);
> System.err.println("ARRAY: " + inputs);
> System.err.println("ARRAY[0]: " + inputs[0]);
>
> /* always return 1 input string ??
> if (inputs.length > 5)
> error(pal1.getRecorderComponent());
> * */
> Iterator it = pal1.getSelectedChoices();
> int count = 0;
> while (it.hasNext())
> {
> it.next();
> if (++count > 5)
> {
> System.err.println("ERROR: " + count);
> error(pal1.getRecorderComponent(), "Max");
> return;
> }
> System.err.println("COUNT: " + count);
> }
> }
> });
>
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