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.