Class RadioWidget
Input widget class for generating a set of radio buttons.
This class is intended as an internal implementation detail of Cake\View\Helper\FormHelper and is not intended for direct use.
Property Summary
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$_idPrefix protected
string|null
Prefix for id attribute.
-
$_idSuffixes protected
string[]
A list of id suffixes used in the current rendering.
-
$_label protected
Cake\View\Widget\LabelWidget
Label instance.
-
$_templates protected
Cake\View\StringTemplate
Template instance.
Method Summary
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__construct() public
Constructor
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_clearIds() protected
Clear the stored ID suffixes.
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_domId() protected
Generate an ID suitable for use in an ID attribute.
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_id() protected
Generate an ID attribute for an element.
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_idSuffix() protected
Generate an ID suffix.
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_isDisabled() protected
Disabled attribute detection.
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_renderInput() protected
Renders a single radio input and label.
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_renderLabel() protected
Renders a label element for a given radio button.
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render() public
Render a set of radio buttons.
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secureFields() public
Returns a list of fields that need to be secured for this widget. Fields are in the form of Model[field][suffix]
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 variablesname
,value
,attrs
.radioWrapper
Used to generate the container element for the radio + input element. Can use theinput
andlabel
variables.
Parameters
-
Cake\View\StringTemplate
$templates Templates list.
-
Cake\View\Widget\LabelWidget
$label Label widget instance.
_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 $radio, array|true|null $disabled): bool
Disabled attribute detection.
Parameters
-
array
$radio Radio info.
-
array|true|null
$disabled The disabled values.
Returns
bool
_renderInput() ¶ protected
_renderInput(string|int $val, string|array $text, array $data, Cake\View\Form\ContextInterface $context): string
Renders a single radio input and label.
Parameters
-
string|int
$val The value of the radio input.
-
string|array
$text The label text, or complex radio type.
-
array
$data Additional options for input generation.
-
Cake\View\Form\ContextInterface
$context The form context
Returns
string
_renderLabel() ¶ protected
_renderLabel(array $radio, array|string|false $label, string $input, Cake\View\Form\ContextInterface $context, bool $escape): string|bool
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
$radio The input properties.
-
array|string|false
$label The properties for a label.
-
string
$input The input widget.
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Cake\View\Form\ContextInterface
$context The form context.
-
bool
$escape Whether or not to HTML escape the label.
Returns
string|bool
render() ¶ public
render(array $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
$data The data to build radio buttons with.
-
Cake\View\Form\ContextInterface
$context The current form context.
Returns
string
secureFields() ¶ public
secureFields(array $data): string[]
Returns a list of fields that need to be secured for this widget. Fields are in the form of Model[field][suffix]
Parameters
-
array
$data
Returns
string[]