Form.Radio

A simple radio button for use with Form.RadioSet.

Note: extra props added to this component are passed as attributes to the underlying input node. See MDN for documentation on available input attributes.

Controlled Usage

Show editable code example

Any Paragon component or export may be added to the code example.

() => {
  const [value, setValue] = useState('green');
  const handleChange = e => setValue(e.target.value);
  return (
    <Form.Group>
      <Form.Label>Which Color?</Form.Label>
      <Form.RadioSet
        name="colors"
        onChange={handleChange}
        value={value}
      >
        <Form.Radio value="red">Red</Form.Radio>
        <Form.Radio value="green">Green</Form.Radio>
        <Form.Radio value="blue">Blue</Form.Radio>
        <Form.Radio value="cyan" disabled>Cyan</Form.Radio>
      </Form.RadioSet>
    </Form.Group>
  );
}

Uncontrolled Usage

Show editable code example

Any Paragon component or export may be added to the code example.

<Form.Group>
  <Form.Label>Which Color?</Form.Label>
  <Form.RadioSet
    name="color-two"
    onChange={(e) => console.log(e.target.value)}
    defaultValue="green"
  >
    <Form.Radio value="red">Red</Form.Radio>
    <Form.Radio value="green">Green</Form.Radio>
    <Form.Radio value="blue">Blue</Form.Radio>
    <Form.Radio value="cyan" disabled>Cyan</Form.Radio>
  </Form.RadioSet>
</Form.Group>

Inline layout

Show editable code example

Any Paragon component or export may be added to the code example.

<Form.Group>
  <Form.Label>Which Color?</Form.Label>
  <Form.RadioSet
    name="color-three"
    onChange={(e) => console.log(e.target.value)}
    defaultValue="green"
    isInline
  >
    <Form.Radio value="red">Red</Form.Radio>
    <Form.Radio value="green">Green</Form.Radio>
    <Form.Radio value="blue">Blue</Form.Radio>
    <Form.Radio value="cyan" disabled>Cyan</Form.Radio>
  </Form.RadioSet>
</Form.Group>

Validation

Group Level Validation

Show editable code example

Any Paragon component or export may be added to the code example.

<Form.Group isInvalid>
  <Form.Label>Which Color?</Form.Label>
  <Form.RadioSet
    name="color-five"
    onChange={(e) => console.log(e.target.value)}
  >
    <Form.Radio value="red">Red</Form.Radio>
    <Form.Radio value="green">Green</Form.Radio>
    <Form.Radio value="blue">Blue</Form.Radio>
    <Form.Radio value="cyan" disabled>Cyan</Form.Radio>
  </Form.RadioSet>
  <Form.Control.Feedback>
    Please choose an option.
  </Form.Control.Feedback>
</Form.Group>

Individual option validation

Show editable code example

Any Paragon component or export may be added to the code example.

<Form.Group>
  <Form.Label>Which Color?</Form.Label>
  <Form.RadioSet name="color-four">
    <Form.Radio
      value="red"
      description="Red's cool"
    >
      Red
    </Form.Radio>
    <Form.Radio
      value="green"
      description="Excellent choice"
      isValid
    >
      Green
    </Form.Radio>
    <Form.Radio
      value="blue"
      description="Poor choice"
      isInvalid
    >
      Blue
    </Form.Radio>
    <Form.Radio
      value="cyan"
      disabled
    >
      Cyan
    </Form.Radio>
  </Form.RadioSet>
</Form.Group>

Radio standalone usage

This is supported, but not recommended.

Show editable code example

Any Paragon component or export may be added to the code example.

<>
  <Form.Radio className="ml-2" name="color" value="red">Red</Form.Radio>
  <Form.Radio className="ml-2" name="color" value="green" defaultChecked>Green</Form.Radio>
  <Form.Radio className="ml-2" name="color" value="blue">Blue</Form.Radio>
  <Form.Radio className="ml-2" name="color" value="cyan" disabled>Cyan</Form.Radio>
</>

Theme Variables (SCSS)#

$input-padding-y:                        $input-btn-padding-y !default;
$input-padding-x:                        $input-btn-padding-x !default;
$input-font-family:                      $input-btn-font-family !default;
$input-font-size:                        $input-btn-font-size !default;
$input-font-weight:                      $font-weight-base !default;
$input-line-height:                      $input-btn-line-height !default;
$input-padding-y-sm:                     $input-btn-padding-y-sm !default;
$input-padding-x-sm:                     $input-btn-padding-x-sm !default;
$input-font-size-sm:                     $input-btn-font-size-sm !default;
$input-line-height-sm:                   $input-btn-line-height-sm !default;
$input-padding-y-lg:                     $input-btn-padding-y-lg !default;
$input-padding-x-lg:                     $input-btn-padding-x-lg !default;
$input-font-size-lg:                     $input-btn-font-size-lg !default;
$input-line-height-lg:                   $input-btn-line-height-lg !default;
$input-bg:                               $white !default;
$input-disabled-bg:                      theme-color("gray", "background") !default;
$input-color:                            theme-color("gray", "text") !default;
$input-border-color:                     $gray-500 !default;
$input-border-width:                     $input-btn-border-width !default;
$input-box-shadow:                       inset 0 1px 1px rgba($black, .075) !default;
$input-border-radius:                    $border-radius !default;
$input-border-radius-lg:                 $border-radius-lg !default;
$input-border-radius-sm:                 $border-radius-sm !default;
$input-focus-bg:                         $input-bg !default;
$input-focus-border-color:               $component-active-bg !default;
$input-focus-color:                      $input-color !default;
$input-focus-width:                      1px !default;
$input-focus-box-shadow:                 $input-btn-focus-box-shadow !default;
$input-placeholder-color:                theme-color("gray", "light-text") !default;
$input-plaintext-color:                  $body-color !default;
$input-height-border:                    $input-border-width * 2 !default;
$input-height-inner:                     calc(#{$input-line-height * 1em} + #{$input-padding-y * 2}) !default;
$input-height-inner-half:                calc(#{$input-line-height * .5em} + #{$input-padding-y}) !default;
$input-height-inner-quarter:             calc(#{$input-line-height * .25em} + #{calc($input-padding-y / 2)}) !default;
$input-height:                           calc(
  #{$input-line-height * 1em} + #{$input-padding-y * 2} + #{$input-height-border}
) !default;
$input-height-sm:                        calc(
  #{$input-line-height-sm * 1em} + #{$input-btn-padding-y-sm * 2} + #{$input-height-border}
) !default;
$input-height-lg:                        calc(
  #{$input-line-height-lg * 1em} + #{$input-btn-padding-y-lg * 2} + #{$input-height-border}
) !default;
$input-hover-width:                      1px !default;
$input-transition:                       border-color .15s ease-in-out, box-shadow .15s ease-in-out !default;
$form-text-margin-top:                   .25rem !default;
$form-check-input-gutter:                1.25rem !default;
$form-check-input-margin-y:              .3rem !default;
$form-check-input-margin-x:              .25rem !default;
$form-check-inline-margin-x:             .75rem !default;
$form-check-inline-input-margin-x:       .3125rem !default;
$form-check-position-axis:               .375rem !default;
$form-check-focus-border-radius:         .0625rem !default;
$form-check-border-width:                .125rem !default;
$form-grid-gutter-width:                 10px !default;
$form-group-margin-bottom:               1rem !default;
$input-group-addon-color:                $input-color !default;
$input-group-addon-bg:                   theme-color("gray", "background") !default;
$input-group-addon-border-color:         $input-border-color !default;
$custom-forms-transition:                background-color .15s ease-in-out,
  border-color .15s ease-in-out, box-shadow .15s ease-in-out !default;
$custom-control-gutter:                  .5rem !default;
$custom-control-spacer-x:                1rem !default;
$custom-control-cursor:                  null !default;
$custom-control-indicator-size:          1.25rem !default;
$custom-control-indicator-bg:            $input-bg !default;
$custom-control-indicator-bg-size:       100% !default;
$custom-control-indicator-box-shadow:    $input-box-shadow !default;
$custom-control-indicator-border-color:  $gray-700 !default;
$custom-control-indicator-border-width:  2px !default;
$custom-control-label-color:             null !default;
$custom-control-indicator-disabled-bg:           $input-disabled-bg !default;
$custom-control-label-disabled-color:            theme-color("gray", "light-text") !default;
$custom-control-indicator-checked-color:         $component-active-bg !default;
$custom-control-indicator-checked-valid-color:     theme-color("success") !default;
$custom-control-indicator-checked-invalid-color:   theme-color("danger") !default;
$custom-control-indicator-checked-bg:            $component-active-bg !default;
$custom-control-indicator-checked-disabled-bg:   rgba($primary, .5) !default;
$custom-control-indicator-checked-box-shadow:    none !default;
$custom-control-indicator-checked-border-color:  $custom-control-indicator-checked-bg !default;
$custom-control-indicator-focus-box-shadow:      0 0 0 4px rgba(0, 0, 0, .1) !default;
$custom-control-indicator-focus-border-color:    $input-focus-border-color !default;
$custom-control-indicator-active-color:          $component-active-color !default;
$custom-control-indicator-active-bg:             $component-active-bg !default;
$custom-control-indicator-active-box-shadow:     none !default;
$custom-control-indicator-active-border-color:   $custom-control-indicator-active-bg !default;
$custom-checkbox-indicator-border-radius:        0 !default;
$custom-checkbox-indicator-icon-checked:         str-replace(url("data:image/svg+xml,<svg width='24' height='24' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'><path d='M21 3H3V21H21V3ZM10 17L5 12L6.41 10.59L10 14.17L17.59 6.58L19 8L10 17Z' fill='#{$custom-control-indicator-checked-color}'/></svg>"), "#", "%23") !default;
$custom-checkbox-indicator-icon-valid-checked:          str-replace(url("data:image/svg+xml,<svg width='24' height='24' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'><path d='M21 3H3V21H21V3ZM10 17L5 12L6.41 10.59L10 14.17L17.59 6.58L19 8L10 17Z' fill='#{$custom-control-indicator-checked-valid-color}'/></svg>"), "#", "%23") !default;
$custom-checkbox-indicator-icon-invalid-checked:        str-replace(url("data:image/svg+xml,<svg width='24' height='24' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'><path d='M21 3H3V21H21V3ZM10 17L5 12L6.41 10.59L10 14.17L17.59 6.58L19 8L10 17Z' fill='#{$custom-control-indicator-checked-invalid-color}'/></svg>"), "#", "%23") !default;
$custom-checkbox-indicator-indeterminate-bg:            $component-active-bg !default;
$custom-checkbox-indicator-indeterminate-color:         $custom-control-indicator-checked-color !default;
$custom-checkbox-indicator-icon-indeterminate:          str-replace(url("data:image/svg+xml,<svg width='24' height='24' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'><path d='M21 3H3V21H21V3ZM17 13H7V11H17V13Z' fill='#{$custom-checkbox-indicator-indeterminate-color}'/></svg>"), "#", "%23") !default;
$custom-checkbox-indicator-indeterminate-box-shadow:    none !default;
$custom-checkbox-indicator-indeterminate-border-color:  $custom-checkbox-indicator-indeterminate-bg !default;
$custom-radio-indicator-border-radius:           50% !default;
$custom-radio-indicator-icon-checked:            str-replace(url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='#{$custom-control-indicator-checked-bg}'/%3e%3c/svg%3e"), "#", "%23") !default;
$custom-radio-indicator-icon-valid-checked:      str-replace(url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='#{$custom-control-indicator-checked-valid-color}'/%3e%3c/svg%3e"), "#", "%23") !default;
$custom-radio-indicator-icon-invalid-checked:    str-replace(url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='#{$custom-control-indicator-checked-invalid-color}'/%3e%3c/svg%3e"), "#", "%23") !default;
$custom-switch-indicator-icon-off:               str-replace(url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='#{$custom-control-indicator-checked-bg}'/%3e%3c/svg%3e"), "#", "%23") !default;
$custom-switch-indicator-icon-on:                str-replace(url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='#{$custom-control-indicator-active-color}'/%3e%3c/svg%3e"), "#", "%23") !default;
$custom-switch-width:                            $custom-control-indicator-size * 1.75 !default;
$custom-switch-indicator-border-radius:          calc($custom-control-indicator-size / 2) !default;
$custom-switch-indicator-size:                   calc(
  #{$custom-control-indicator-size} - #{$custom-control-indicator-border-width * 4}
) !default;
$custom-switch-indicator-checked-bg:             theme-color("success") !default;
$custom-select-padding-y:            $input-padding-y !default;
$custom-select-padding-x:            $input-padding-x !default;
$custom-select-font-family:          $input-font-family !default;
$custom-select-font-size:            $input-font-size !default;
$custom-select-height:               $input-height !default;
$custom-select-indicator-padding:    1rem !default;
$custom-select-font-weight:          $input-font-weight !default;
$custom-select-line-height:          $input-line-height !default;
$custom-select-color:                $input-color !default;
$custom-select-disabled-color:       theme-color("gray", "light-text") !default;
$custom-select-bg:                   $input-bg !default;
$custom-select-disabled-bg:          theme-color("gray", "background") !default;
$custom-select-bg-size:              24px 24px !default; // In pixels because image dimensions
$custom-select-indicator-color:      theme-color("gray", "hover") !default;
$custom-select-indicator:            str-replace(url('data:image/svg+xml,<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M16.59 8.58984L12 13.1698L7.41 8.58984L6 9.99984L12 15.9998L18 9.99984L16.59 8.58984Z" fill="#{$custom-select-indicator-color}"/></svg>'), "#", "%23") !default;
$custom-select-background:           $custom-select-indicator no-repeat right
  $input-padding-y center / $custom-select-bg-size !default;
$custom-select-feedback-icon-padding-right:  calc(
  (1em + #{2 * $custom-select-padding-y}) * 3 / 4 + #{$custom-select-padding-x + $custom-select-indicator-padding}
) !default;
$custom-select-feedback-icon-position:       center right
  ($custom-select-padding-x + $custom-select-indicator-padding) !default;
$custom-select-feedback-icon-size:           $input-height-inner-half $input-height-inner-half !default;
$custom-select-border-width:         $input-border-width !default;
$custom-select-border-color:         $input-border-color !default;
$custom-select-border-radius:        $border-radius !default;
$custom-select-box-shadow:           inset 0 1px 2px rgba($black, .075) !default;
$custom-select-focus-border-color:   $input-focus-border-color !default;
$custom-select-focus-width:          $input-focus-width !default;
$custom-select-focus-box-shadow:     $input-btn-focus-box-shadow !default;
$custom-select-padding-y-sm:         $input-padding-y-sm !default;
$custom-select-padding-x-sm:         $input-padding-x-sm !default;
$custom-select-font-size-sm:         $input-font-size-sm !default;
$custom-select-height-sm:            $input-height-sm !default;
$custom-select-padding-y-lg:         $input-padding-y-lg !default;
$custom-select-padding-x-lg:         $input-padding-x-lg !default;
$custom-select-font-size-lg:         $input-font-size-lg !default;
$custom-select-height-lg:            $input-height-lg !default;
$custom-range-track-width:           100% !default;
$custom-range-track-height:          .5rem !default;
$custom-range-track-cursor:          pointer !default;
$custom-range-track-bg:              theme-color("gray", "graphic") !default;
$custom-range-track-border-radius:   1rem !default;
$custom-range-track-box-shadow:      inset 0 .25rem .25rem rgba($black, .1) !default;
$custom-range-thumb-width:                    1rem !default;
$custom-range-thumb-height:                   $custom-range-thumb-width !default;
$custom-range-thumb-bg:                       $component-active-bg !default;
$custom-range-thumb-border:                   0 !default;
$custom-range-thumb-border-radius:            1rem !default;
$custom-range-thumb-box-shadow:               0 .1rem .25rem rgba($black, .1) !default;
$custom-range-thumb-focus-box-shadow:         0 0 0 1px $body-bg, $input-focus-box-shadow !default;
$custom-range-thumb-focus-box-shadow-width:   $input-focus-width !default; // For focus box shadow issue in IE/Edge
$custom-range-thumb-active-bg:                lighten($component-active-bg, 35%) !default;
$custom-range-thumb-disabled-bg:              theme-color("gray", "default") !default;
$custom-file-height:                 $input-height !default;
$custom-file-height-inner:           $input-height-inner !default;
$custom-file-focus-border-color:     $input-focus-border-color !default;
$custom-file-focus-box-shadow:       $input-focus-box-shadow !default;
$custom-file-disabled-bg:            $input-disabled-bg !default;
$custom-file-padding-y:              $input-padding-y !default;
$custom-file-padding-x:              $input-padding-x !default;
$custom-file-line-height:            $input-line-height !default;
$custom-file-font-family:            $input-font-family !default;
$custom-file-font-weight:            $input-font-weight !default;
$custom-file-color:                  $input-color !default;
$custom-file-bg:                     $input-bg !default;
$custom-file-border-width:           $input-border-width !default;
$custom-file-border-color:           $input-border-color !default;
$custom-file-border-radius:          $input-border-radius !default;
$custom-file-box-shadow:             $input-box-shadow !default;
$custom-file-button-color:           $custom-file-color !default;
$custom-file-button-bg:              $input-group-addon-bg !default;
$custom-file-text:  (
  en: "Browse"
) !default;
$form-feedback-margin-top:           $form-text-margin-top !default;
$form-feedback-font-size:            $small-font-size !default;
$form-feedback-valid-color:          theme-color("success") !default;
$form-feedback-invalid-color:        theme-color("danger") !default;
$form-feedback-icon-valid-color:     $form-feedback-valid-color !default;
$form-feedback-icon-valid:           str-replace(url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='#{$form-feedback-icon-valid-color}' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e"), "#", "%23") !default;
$form-feedback-icon-invalid-color:   $form-feedback-invalid-color !default;
$form-feedback-icon-invalid:         str-replace(url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='#{$form-feedback-icon-invalid-color}' viewBox='-2 -2 7 7'%3e%3cpath stroke='#{$form-feedback-icon-invalid-color}' d='M0 0l3 3m0-3L0 3'/%3e%3ccircle r='.5'/%3e%3ccircle cx='3' r='.5'/%3e%3ccircle cy='3' r='.5'/%3e%3ccircle cx='3' cy='3' r='.5'/%3e%3c/svg%3E"), "#", "%23") !default;
$form-validation-states:  () !default;
$form-validation-states:  map-merge(
  (
    "valid": (
      "color": $form-feedback-valid-color,
      "icon": $form-feedback-icon-valid
    ),
    "invalid": (
      "color": $form-feedback-invalid-color,
      "icon": $form-feedback-icon-invalid
    ),
  ),
  $form-validation-states
);
$form-feedback-tooltip-padding-y:      .25rem !default;
$form-feedback-tooltip-padding-x:      .5rem !default;
$form-feedback-tooltip-font-size:      $font-size-sm !default;
$form-feedback-tooltip-line-height:    $line-height-base !default;
$form-feedback-tooltip-opacity:        .9 !default;
$form-feedback-tooltip-border-radius:  $border-radius !default;
$form-autosuggest-icon-width:  2.4rem;
$form-autosuggest-icon-height:  $form-autosuggest-icon-width;
$form-autosuggest-spinner-width:  1.25rem;
$form-autosuggest-spinner-height:  $form-autosuggest-spinner-width;
$form-autosuggest-border-width:  .125rem;

Props API#

FormRadio Props API

children node Required
Specifies contents of the component.
className string
Specifies class name to append to the base element.
controlClassName string
Specifies class name for control component.
labelClassName string
Specifies class name for label component.
description node
Specifies description to show under the radio's value.
isInvalid bool
Specifies whether to display component in invalid state, this affects styling.
Defaultfalse
isValid bool
Specifies whether to display component in valid state, this affects styling.
Defaultfalse

FormRadioSet Props API

children node Required
className string
name string Required
value string
defaultValue string
isInline bool
Defaultfalse
onChange func
onFocus func
onBlur func

Usage Insights#

FormRadio

	Project Name	Paragon Version	Instance Count
	frontend-app-account	20.36.0	2
	frontend-app-admin-portal	20.26.3	6
	frontend-app-course-authoring	20.32.0	5
	frontend-app-discussions	20.15.0	3
	frontend-app-learner-dashboard	20.32.0	6
	frontend-app-ora-grading	20.30.0	1
	frontend-app-support-tools	20.26.0	4
	frontend-lib-content-components	20.34.0	5
	www	20.32.0	3

FormRadioSet

	Project Name	Paragon Version	Instance Count
	frontend-app-account	20.36.0	1
	frontend-app-admin-portal	20.26.3	4
	frontend-app-course-authoring	20.32.0	3
	frontend-app-discussions	20.15.0	8
	frontend-app-learner-dashboard	20.32.0	3
	frontend-app-ora-grading	20.30.0	1
	frontend-app-support-tools	20.26.0	4
	frontend-lib-content-components	20.34.0	3
	www	20.32.0	2

Contents

Controlled Usage
Uncontrolled Usage
Inline layout
Validation
- Group Level Validation
- Individual option validation
Radio standalone usage
Theme Variables (SCSS)
Props API
Usage Insights