HTML::Widget::Constraint(3p)

NAME
HTML::Widget::Constraint - Constraint Base Class

SYNOPSIS
    my $c = $widget->constraint( $type, @names );
    $c->message('Validation error.');
    $c->names(@names);
    $c->not(1);

DESCRIPTION
Constraint Base Class.

METHODS

  default_message
Arguments: $message

Return Value: $message

Default error message for failing constraints.

  init
Arguments: $widget

Called once when process() gets called for the first time.

  javascript
Arguments: $id

Should return JavaScript for client side validation and the like.

  msg

  message
Arguments: $message

Contains the validation error message.

  mk_message
Arguments: $message

Returns a validation error message.

  names
Arguments: @names

Return Value: @names

Contains names of params to test.

  not
Arguments: $bool

Return Value: $bool

Negate constraint.

  prepare
Arguments: $widget

Called every time process() gets called.

  process
Arguments: $widget, $params, \@uploads

Return Value: \@errors

Validates params and returns a arrayref containing HTML::Widget::Error objects representing failed constraints.

  process_js
Arguments: $id

Returns a hashref containing JavaScripts for client side validation and the like.

  render_errors
Arguments: @names

A list of element names for which an error should be displayed.

If this is not set, the default behaviour is for the error to be displayed for all of the Constraint's named elements.

  validate
Arguments: $value

Return Value: $bool

Validates a value and returns 1 or 0.

AUTHOR
Sebastian Riedel, "sri@oook.de"

LICENSE
This library is free software, you can redistribute it and/or modify it under the same terms as Perl itself.