Declaring requiredIf validadors in DS XML files?

[csillag]

Hi there,

Is there a way to declare a RequiredIf validator right in the DS XML file?
If yes, than what is the required syntax?

Thank you for your help:

Csillag

[Isomorphic]

Whether in the .ds.xml file or not, using this validator requires writing the validation logic in JavaScript, so we'd recommend just using a custom validator instead for SmartGWT.

[csillag]

Writing the validation logic in JS is not necessarily a problem, especially when it's dead simple like "when the value of field A is B, the field C is required".

I just need one example for the proper syntax.

Thank you:

Csillag

[davidj6]

Straightforward:

<DataSource ID="requiredIfTest">
    <fields>
        <field name="required" title="Require email?" type="boolean" />
        <field name="email" title="Email address" type="text">
          <validators>
            <validator type="requiredIf" expression="item.form.getValue('required')" errorMessage="Please enter an email address"/>
          </validators>
        </field>
    </fields>
</DataSource>

The email field is only required when the required checkbox is checked.

[csillag]

It's working great, thank you.