Thanks,
That's a better place to attach validation.
But it still leaves me working with a single String
of comma separated selections. It makes me
wonder if the underlying code can handle choices
that contain commas.
-troy
On Wed, Oct 7, 2009 at 4:27 PM, Igor Vaynberg <igor.vaynb...@gmail.com> wrote:
> 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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