Re: how to validate a ListView?

2010-12-15 Thread rolandpeng 

thanks for your reply.I'd like to try your second suggestion.

But after looking into AbstractFormValidator and other related examples, I
find that in my case I don't have any FormComponet to pass to
error(FormComponent fc) after validate. 

Is there any way or examples to validate without FormComponet?


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Re: how to validate a ListView?

2010-12-15 Thread Alexander Morozov 

@Override
protected void onInitialize() {
  super.onInitialize();
  Form.findForm(this).add(new AbstractFormValidator() {

private static final long serialVersionUID = 1L;

@Override
public void validate(Form? form) {
  if (/* ... */) {
form.error(price too small);
  }
}

@Override
public FormComponent?[] getDependentFormComponents() {
  return null;
}
  });
}

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Re: how to validate a ListView?

2010-12-15 Thread rolandpeng 

That's really what I want!Thank you very much.
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Re: how to validate a ListView?

2010-12-14 Thread Alexander Morozov 

You cant add IValidator to a ListView because it is not a FormComponent. You
can:
1. check ListView.getList() within Form.onSubmit() and call form.error(...)
if list is empty
2. create a form validator based on AbstractFormValidator and add it to the
form component

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