HTML::Widget::Constraint - Constraint Base Class my $c = $widget->constraint( $type, @names ); $c->message('Validation error.'); $c->names(@names); $c->not(1); Constraint Base Class.

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. Sebastian Riedel, "sri@oook.de" This library is free software, you can redistribute it and/or modify it under the same terms as Perl itself.