HTML::FormHandler::Manual::FromFF(3pm)			User Contributed Perl Documentation		    HTML::FormHandler::Manual::FromFF(3pm)

NAME

       HTML::FormHandler::Manual::FromFF - converting from HTML::FormFu

VERSION

       version 0.40013

SYNOPSIS

       Manual Index

       Cheatsheet for converting from HTML::FormFu.

DESCRIPTION

       Information that may be useful when converting to FormHandler from FormFu.

   Inside/Outside
       FormFu forms look to me like "inside-out" objects. The attributes and code are all set outside of the object. FormHandler forms are the
       opposite. Almost all attributes and settings are set *inside* the form class, although settings can be passed in on 'new' and 'process', of
       course. FormHandler fields are built as part of the object construction process, so you do not create or add new fields after the form
       instance has been constructed. There are many facilities for setting fields active/inactive or changing the various field attributes, so
       this is not limiting in what you can do.

       One of the big advantages of having form fields and validations, etc, inside the object is that it makes it a lot easier to test exactly
       what you're using in your controllers.

   Config files
       There are so many drawbacks to using config files to specify your forms that I don't see why anybody would voluntarily do it. However it
       takes all kinds, so if you really want to use config files, you can...mostly. There are a lot of things you can't do in config files, but
       FormHandler provides so many ways of doing things, that you can probably get it to work. And sometimes it's easier to update forms
       piecemeal, or there may be policies in place, so if you really want/need config files for building forms, see HTML::FormHandler::Foo and
       the test in t/form_setup/config.t.

   Rendering
       You should be able to make your FormHandler forms automatically render very close to FormFu's rendering. There's an example of simple
       FormFu-like rendering in t/render/ff.t. Set up a base class with the necessary code, and your forms could be practically drop-in
       replacements from a rendering perspective.

Filters, Constraints, Inflators, Validators, Transformers
       FormHandler doesn't distinguish between these categories in the same way that FormFu does. FormHandler has inflation/deflation, validation
       methods, and apply actions. The distinguishing factor is mostly where it happens in the process.

   Filters
       A 'trim' filter is installed by default in FormHandler; it's a special version of an apply action, and can be set to a transform or Moose
       type. See the documentation in HTML::FormHandler::Field#trim.

       An HTML filter is applied by default in certain places in the rendering.  You can change it with the 'render_filter' attribute. See
       HTML::FormHandler::Manual::Rendering#Rendering-filter.

       You can change the form of the field's value using a number of inflation/deflation methods, or a transform, or a Moose type.  See
       HTML::FormHandler::Manual::InflationDeflation and HTML::FormHandler::Manual::Validation.

       Transforms and inflations/deflations do not change what is presented in the form unless you set the 'fif_from_value' flag on the field (the
       rough equivalent of FormFu's 'render_processed_value').

       FormatNumber

       Use an inflation:

	   has_field 'foo' => ( type => 'PosInteger', inflate_method => &format_number );
	   sub format_number {
	       my ( $self, $value ) = @_;
	       return unformat_number( $value );
	   }

   Constraints
       A lot of these are simple regexes or functions. If they're things you're going to use often, you probably want to put them in a type
       library or validator class.

       AllOrNone
	   Not implemented. Do this in a form 'validate' sub.

       ASCII
	   A simple regex:

	      has foo => ( apply => [  { check => qr/^p{IsASCII}*z/,
		  message => 'Not a valid string' } ] );

       AutoSet
	   Not necessary. This is done automatically by FormHandler. You'd have to go to some work to avoid it.

       Bool
	   A simple regex:

	       qr/^[01]?z/

	   Or you can use the Boolean field.

       Callback, CallbackOnce
	   This is just validation done in code. Use one of the many places you can put validation in methods in FormHandler. See
	   HTML::FormHandler::Manual::Validation.

       DateTime
	   Use Date or DateTime field or make your own.

       DependOn
	   Use 'dependency' attribute in the form. Or do more complicated things in the form's 'validate' sub.

       Email
	   Use the 'Email' field type, or use the the FH Moose Type, 'email'.

		has_field 'email' => ( type => 'Email' );
		-- or --
		use HTML::FormHandler::Types ('Email');
		has_field 'email' => ( apply => [ Email ] );

       Equal
	   No equivalent. Perform this check in the form's 'validate' sub.

       File
	   Use 'Upload' field.

       Integer
	   Use 'Integer' field.

       Length, MaxLength, MinLength
	   Use 'minlength' and 'maxlength' on the Text field and its subclasses.

       Range, MaxRange, MinRange
	   Use 'range_start' and 'range_end'.

       MinMaxFields
	   No equivalent.

       Number
	   Use Moose type 'Num'.

       Printable
	   Use FormHandler Moose type 'Printable'.

       reCAPTCHA
	   Use Captcha field or HTML::FormHandlerX::Field::reCAPTCHA.

       Regex
	   Use 'check' action with regex.

       Required
	   Set 'required' flag on the field.

       Set Use 'check' action with arrayref of strings.

       SingleValue
	   Not necessary.

       Word
	   This is a simple regex:

	       qr/^w*z/

	   Substitute FormHandler Moose type 'SingleWord'.

   Inflators
       Use one of the inflation/deflation methods. See HTML::FormHandler::Manual::InflationDeflation.

   Validators
       See HTML::FormHandler::Manual::Validation.

   Transformers
       See HTML::FormHandler::Manual::InflationDeflation and HTML::FormHandler::Manual::Validation.

AUTHOR

       FormHandler Contributors - see HTML::FormHandler

COPYRIGHT AND LICENSE

       This software is copyright (c) 2012 by Gerda Shank.

       This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

perl v5.14.2							    2012-06-25				    HTML::FormHandler::Manual::FromFF(3pm)