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HTML::Shakan::Field(3) |
User Contributed Perl Documentation |
HTML::Shakan::Field(3) |
HTML::Shakan::Field - base class for field object
This is a base class for filed object.
- id
- the 'id' attribute for the HTML elements.
- name
- the 'name' attribute for the HTML elements.
- value
- the 'value' attribute for the HTML elements.
- filters: ArrayRef[Str]
- This is parameter filters in arrayref.
For example, following field removes white space from
parameter value in head and end.
TextField(
name => 'f',
required => 1,
filters => [qw'WhiteSpace']
),
- widget
- type of widget.
- attr
- hashref about the miscellaneous attributes.
- label
- label for this field.
- required
- is this field's value required?
- custom_validation
-
TextField(
name => 'id',
custom_validation => sub {
my ($form, $field) = @_;
if (is_reserved_id($form->param($field->name))) {
$form->set_error($field->name() => 'reserved');
}
}
)
You can register custom validation callback.
The callback function takes two arguments.
- $form
- This is a instance of HTML::Shakan. You can take query parameter value by
this object.
- $field
- The field object itself.
- constraints
- constraints for FormValidator::Lite.
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