Class RadioWidget

Input widget class for generating a set of radio buttons.

This class is usually used internally by Cake\View\Helper\FormHelper, it but can be used to generate standalone radio buttons.

Namespace: Cake\View\Widget

Property Summary

$_idPrefix protected

string|null

Prefix for id attribute.
$_idSuffixes protected

array<string>

A list of id suffixes used in the current rendering.
$_label protected

Cake\View\Widget\LabelWidget

Label instance.
$_templates protected

Cake\View\StringTemplate

StringTemplate instance.
$defaults protected

array<string, mixed>

Data defaults.

Method Summary

__construct() public

Constructor
_clearIds() protected

Clear the stored ID suffixes.
_domId() protected

Generate an ID suitable for use in an ID attribute.
_id() protected

Generate an ID attribute for an element.
_idSuffix() protected

Generate an ID suffix.
_isDisabled() protected

Disabled attribute detection.
_renderInput() protected

Renders a single radio input and label.
_renderLabel() protected

Renders a label element for a given radio button.
mergeDefaults() protected

Merge default values with supplied data.
render() public

Render a set of radio buttons.
secureFields() public

Returns a list of fields that need to be secured for this widget.
setMaxLength() protected

Set value for "maxlength" attribute if applicable.
setRequired() protected

Set value for "required" attribute if applicable.
setStep() protected

Set value for "step" attribute if applicable.

Method Detail

__construct() ¶ public

__construct(Cake\View\StringTemplate $templates, Cake\View\Widget\LabelWidget $label)

Constructor

This class uses a few templates:

radio Used to generate the input for a radio button. Can use the following variables name, value, attrs.
radioWrapper Used to generate the container element for the radio + input element. Can use the input and label variables.

Parameters

Cake\View\StringTemplate $templates: Templates list.
Cake\View\Widget\LabelWidget $label: Label widget instance.

_clearIds() ¶ protected

_clearIds(): void

Clear the stored ID suffixes.

Returns

void

_domId() ¶ protected

_domId(string $value): string

Generate an ID suitable for use in an ID attribute.

Parameters

string $value: The value to convert into an ID.

Returns

string

_id() ¶ protected

_id(string $name, string $val): string

Generate an ID attribute for an element.

Ensures that id's for a given set of fields are unique.

Parameters

string $name: The ID attribute name.
string $val: The ID attribute value.

Returns

string

_idSuffix() ¶ protected

_idSuffix(string $val): string

Generate an ID suffix.

Ensures that id's for a given set of fields are unique.

Parameters

string $val: The ID attribute value.

Returns

string

_isDisabled() ¶ protected

_isDisabled(array<string, mixed> $radio, array|true|string|null $disabled): bool

Disabled attribute detection.

Parameters

array<string, mixed> $radio: Radio info.
array|true|string|null $disabled: The disabled values.

Returns

bool

_renderInput() ¶ protected

_renderInput(string|int $val, array<string, mixed>|string $text, array<string, mixed> $data, Cake\View\Form\ContextInterface $context): string

Renders a single radio input and label.

Parameters

string|int $val: The value of the radio input.
array<string, mixed>|string $text: The label text, or complex radio type.
array<string, mixed> $data: Additional options for input generation.
Cake\View\Form\ContextInterface $context: The form context

Returns

string

_renderLabel() ¶ protected

_renderLabel(array<string, mixed> $radio, array<string, mixed>|string|false $label, string $input, Cake\View\Form\ContextInterface $context, bool $escape): string|false

Renders a label element for a given radio button.

In the future this might be refactored into a separate widget as other input types (multi-checkboxes) will also need labels generated.

Parameters

array<string, mixed> $radio: The input properties.
array<string, mixed>|string|false $label: The properties for a label.
string $input: The input widget.
Cake\View\Form\ContextInterface $context: The form context.
bool $escape: Whether to HTML escape the label.

Returns

string|false

mergeDefaults() ¶ protected

mergeDefaults(array<string, mixed> $data, Cake\View\Form\ContextInterface $context): array<string, mixed>

Merge default values with supplied data.

Parameters

array<string, mixed> $data: Data array
Cake\View\Form\ContextInterface $context: Context instance.

Returns

array<string, mixed>

render() ¶ public

render(array<string, mixed> $data, Cake\View\Form\ContextInterface $context): string

Render a set of radio buttons.

Data supports the following keys:

name - Set the input name.
options - An array of options. See below for more information.
disabled - Either true or an array of inputs to disable. When true, the select element will be disabled.
val - A string of the option to mark as selected.
label - Either false to disable label generation, or an array of attributes for all labels.
required - Set to true to add the required attribute on all generated radios.
idPrefix Prefix for generated ID attributes.

Parameters

array<string, mixed> $data: The data to build radio buttons with.
Cake\View\Form\ContextInterface $context: The current form context.

Returns

string

secureFields() ¶ public

secureFields(array<string, mixed> $data): array<string>

Returns a list of fields that need to be secured for this widget.

Parameters

array<string, mixed> $data

Returns

array<string>

setMaxLength() ¶ protected

setMaxLength(array<string, mixed> $data, Cake\View\Form\ContextInterface $context, string $fieldName): array<string, mixed>

Set value for "maxlength" attribute if applicable.

Parameters

array<string, mixed> $data: Data array
Cake\View\Form\ContextInterface $context: Context instance.
string $fieldName: Field name.

Returns

array<string, mixed>

setRequired() ¶ protected

setRequired(array<string, mixed> $data, Cake\View\Form\ContextInterface $context, string $fieldName): array<string, mixed>

Set value for "required" attribute if applicable.

Parameters

array<string, mixed> $data: Data array
Cake\View\Form\ContextInterface $context: Context instance.
string $fieldName: Field name.

Returns

array<string, mixed>

setStep() ¶ protected

setStep(array<string, mixed> $data, Cake\View\Form\ContextInterface $context, string $fieldName): array<string, mixed>

Set value for "step" attribute if applicable.

Parameters

array<string, mixed> $data: Data array
Cake\View\Form\ContextInterface $context: Context instance.
string $fieldName: Field name.

Returns

array<string, mixed>

Property Detail

`$_idPrefix` ¶ protected

Prefix for id attribute.

Type

string|null

`$_idSuffixes` ¶ protected

A list of id suffixes used in the current rendering.

Type

array<string>

`$_label` ¶ protected

Label instance.

Type

Cake\View\Widget\LabelWidget

`$_templates` ¶ protected

StringTemplate instance.

Type

Cake\View\StringTemplate

`$defaults` ¶ protected

Data defaults.

Type

array<string, mixed>

Namespaces

Class RadioWidget

Property Summary

Method Summary

__construct() public

_clearIds() protected

_domId() protected

_id() protected

_idSuffix() protected

_isDisabled() protected

_renderInput() protected

_renderLabel() protected

mergeDefaults() protected

render() public

secureFields() public

setMaxLength() protected

setRequired() protected

setStep() protected

Method Detail

__construct() ¶ public

Parameters

_clearIds() ¶ protected

Returns

_domId() ¶ protected

Parameters

Returns

_id() ¶ protected

Parameters

Returns

_idSuffix() ¶ protected

Parameters

Returns

_isDisabled() ¶ protected

Parameters

Returns

_renderInput() ¶ protected

Parameters

Returns

_renderLabel() ¶ protected

Parameters

Returns

mergeDefaults() ¶ protected

Parameters

Returns

render() ¶ public

Parameters

Returns

secureFields() ¶ public

Parameters

Returns

setMaxLength() ¶ protected

Parameters

Returns

setRequired() ¶ protected

Parameters

Returns

setStep() ¶ protected

Parameters

Returns

Property Detail

$_idPrefix ¶ protected

Type

$_idSuffixes ¶ protected

Type

$_label ¶ protected

Type

$_templates ¶ protected

Type

$defaults ¶ protected

Type

`$_idPrefix` ¶ protected

`$_idSuffixes` ¶ protected

`$_label` ¶ protected

`$_templates` ¶ protected

`$defaults` ¶ protected