Howto mark a FormComponent as invalid without having a feedbackmessage?

[Matthias Keller]

Hi






Thanks

Matt

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I'm using a custom FormValidator to validate a group of checkboxes. I want to raise an error whenever none of the checkboxes is checked. In the effect I must have all checkboxes marked as invalid so that I can apply some style to them to visually display this too. Unfortunately when I add the error to every formcomponent concerned, I get 10 error messages with the same text. Marking a FormComponent invalid by invoking invalid() doesn't work too, as this method does NOTHING by default. The only class overriding onInvalid() I found was org.apache.wicket.extensions.markup.html.form.palette.component.Recorder Shouldn't FormComponent.invalid() also mark a component as invalid so that it returns false when asked for isValid() ? Is there any other method to have them marked as invalid while only getting that one feedback message?

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