/ 
Data-MuForm-0.05
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/ Data::MuForm::Manual::Reference

NAME

Data::MuForm::Manual::Reference - concise reference

VERSION

version 0.05

DESCRIPTION

Manual Index

This is a concise reference of Data::MuForm.

Data::MuForm has a lot of options and many ways to customize your forms. More complete documentation can be found in the rest of the manual as Data::MuForm::Manual and in Data::MuForm.

Form

Form Attributes

params           Parameters/data; if present validation will be attempted
data             Alias for 'params'
name             Form name. Used in 'id' of form element

field_namespace  Where to search for fields

language         Used by 'localizer' to get the right translation file.
ctx              Application context for your use. Weak_ref, cleared on each process call.

init_values      For default values instead of 'model', or in addition to.

fields           Field arrayref
sorted_fields    The sorted array of fields
field( $name )   Returns a field object
has_field        Sugar for declaring fields
field_list       Non-moose-y way to define fields

clear            Resets state. Used in persistent forms.
values           Returns a hashref of values (with accessor keys)
fif              Returns a hashref for filling in form

Form database attributes

model            DB row object
model_class      Class of db model
model_id         Primary key of db model
schema           Schema of model

Also 'update_model' sub

Form processing

process           Sets up form, validates, updates model
check             Validates, does not update model
submitted         Flag to say whether or not to validate, instead of
                     depending on presence of params

Validation

validate        Sub for validation after individual fields are validated
validate_model  Sub for additional database type validation
validated       Flag that form has validated
is_valid        Synonym of 'validated'
ran_validation  Flag that validation has already been run
validate_$fieldname  Validation routine for field (also 'validate_method')

Errors

has_errors      True if any field has errors
num_errors      The number of errors (field errors + form errors)
error_fields    An array of fields with errors
errors          Returns an array of all errors
error_field_names Returns an array of field names with errors

Form Methods and process hooks

update_model      To perform additional database actions on update
init_values       can be a method instead of an attribute

Form Rendering

TBD: a work in process, not yet completely designed

field_prefix       String to prefix to field names when rendered
                        Useful for multiple instances of the same form
http_method         For storing 'post' or 'get'
action              Store the form 'action' on submission. No default value.
enctype             Request enctype
id                  the form tag 'id' attribute is set to the form name

Field specific form methods

options_$fieldname   Sub returning options array (also 'options_method')
validate_$fieldname  Validation routine for field (also 'validate_method')
default_$fieldname   Set default for field (also 'default_method')

Fields

Field attributes

name          Field name. Usually the same as database column name or rel
type          Field type. From a Field class: 'Text', 'Select', etc
order         Set the order for fields. Default order is set by MuForm, by 5.

active        Arrayref of fields to set active
is_active
inactive      Arrayref of fields to set inactive
is_inactive
input_without_param  The value of the field if there is no input from the submitted form

default       Default value for the field
not_nullable  Don't convert an empty field ('', etc) to undef

trim          Transform to trim the field
transform_value_to_fif    Coderef to deflate the field (for filling in the form)
transform_input_to_value  Coderef to inflate the field (before validation)
transform_default_to_value  Coderef to inflate value from model/init_values
transform_value_after_validate    Coderef to deflate value after validation
transform_input_to_value  Coderef to transform input to value

password      Remove from params and do not display in forms.

Select fields

options       Sorted arrayref of hashes; keys: "value", "label"
methods => { options => <coderef> } = provide options
label_column  Column to use for labels (default: name)
active_column Which values to list in options
sort_column   Column to use for sorting (default: label_column)

Field errors

errors        Errors associated with this field
              (also num_errors, clear_errors, has_errors, add_error)
messages      Hashref of message identifiers and text

Field validation

apply         Array of constraint/coercion/transformation actions
              ( type, check, transform, message, when )
methods => { validate => <coderef> }  Validation coderef, or 'validate_$fieldname' in form (default)
required      Field is required
required_when Takes a hashref of field name keys and values
maxlength     Text fields. Validated.
minlength     Text fields. Used in validation
range_start   Range start for number fields
range_end     Range end for number fields

Field attributes for DB

accessor      Database accessor name if different than field name
unique        Field should be unique in the database
no_update     Don't include this field in ->values hash. It won't be updated in the database.
writeonly     Do not retrieve initial values

Also see the select field _columns attributes

Field rendering

label           Text label for this field. Defaults to ucfirst field name.
methods => { build_label => <coderef> }   provide a builder for 'label' attribute
id              Useful for javascript (default is prefixed_name. to prefix with
                    form name, use 'field_prefix' in your form)
methods => { build_id => <coderef> } Provide a builder for 'id' attribute
size            Text & select fields.

render          Method to render the field ($field->render)
render_element  Method to render unwrapped field ($field->render_element)
render_errors
render_label

Field attributes

init_value    Initial value from the database
value         The value of your field.
input         Input value from parameter or initial value from database
fif           Values for filling in a form, from input or value

AUTHOR

Gerda Shank

COPYRIGHT AND LICENSE

This software is copyright (c) 2018 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.