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To output multiple toggle buttons use the options
prop. Options can be specified 3 ways:
label
and value
properties (the same as the select and radio inputs).
disabled
, help
, onLabel
, and/or offLabel
on a per option basis.The togglebuttons
input, by default, only allows one option to be selected. You can change this behavior by setting the multiple
prop which will then allow the selection of multiple options:
By default togglebuttons
will allow you to select and deselect allowing for an off state. With the enforced
prop enabled once a user has interacted with the input, one value will always be set much like that of a radio input.
Assuming you are using the default FormKit styles, the vertical
prop applies dataset attributes and styling to stack toggle buttons in a vertical orientation.
More prop examples and combinations:
The togglebuttons
input offers choices between one or more values; it's a great option when you want the user to toggle a feature on or off, between choices or allow multiple selections.
The values for the toggle buttons are undefined
if not-interacted with, true
if checked, and false
if unchecked. You can change these values by passing the onValue
and offValue
props. In this example, we will set the onValue
to the string 'active'
and the offValue
to the string 'inactive'
:
Additionally, you may specify secondary labels by setting the on-label
and the off-label
props. These values are conditionally shown based on the on/off state of the toggle. The value labels render to the right of the toggle input. The "primary label" will be moved to input label position above the toggle when value labels are used:
For multiple options you can use the default
slot to set the toggle's content.
For a single toggle you can use the default slot for setting the toggle content. Also available are on
and off
slots to change the content based on whether the toggle is activated or not.
Prop | Type | Default | Description |
---|---|---|---|
off-value | any | false | The value when the toggle is unchecked. For use with standalone toggle buttons only. |
on-value | any | true | The value when the toggle is checked. For use with standalone toggle buttons only. |
off-label | String | undefined | The text of the button label when the toggle is unchecked. For use with standalone toggle buttons only. |
on-label | String | undefined | The text of the button label when the toggle is checked. For use with standalone toggle buttons only. |
options | Array/Object | [] | An object of value/label pairs or an array of strings, or an array of objects that must contain a label and value property. Additional props include: disabled , help , onLabel and offLabel |
multiple | Boolean | false | Allows for selecting multiple options. For use with multiple toggle buttons only. |
enforced | Boolean | false | Makes sure at least one selection remains selected once field is activated. For use with multiple toggle buttons only. |
vertical | Boolean | false | Applies data attributes and styling to stack toggle buttons in a vertical orientation. For use with multiple toggle buttons only. |
Show Universal props | |||
config | Object | {} | Configuration options to provide to the input’s node and any descendent node of this input. |
delay | Number | 20 | Number of milliseconds to debounce an input’s value before the commit hook is dispatched. |
dirtyBehavior | string | touched | Determines how the "dirty" flag of this input is set. Can be set to touched or compare — touched (the default) is more performant, but will not detect when the form is once again matching its initial state. |
errors | Array | [] | Array of strings to show as error messages on this field. |
help | String | '' | Text for help text associated with the input. |
id | String | input_{n} | The unique id of the input. Providing an id also allows the input’s node to be globally accessed. |
ignore | Boolean | false | Prevents an input from being included in any parent (group, list, form etc). Useful when using inputs for UI instead of actual values. |
index | Number | undefined | Allows an input to be inserted at the given index if the parent is a list. If the input’s value is undefined, it inherits the value from that index position. If it has a value it inserts it into the lists’s values at the given index. |
label | String | '' | Text for the label element associated with the input. |
name | String | input_{n} | The name of the input as identified in the data object. This should be unique within a group of fields. |
parent | FormKitNode | contextual | By default the parent is a wrapping group, list or form — but this props allows explicit assignment of the parent node. |
prefix-icon | String | '' | Specifies an icon to put in the prefixIcon section. |
preserve | boolean | false | Preserves the value of the input on a parent group, list, or form when the input unmounts. |
preserve-errors | boolean | false | By default errors set on inputs using setErrors are automatically cleared on input, setting this prop to true maintains the error until it is explicitly cleared. |
sections-schema | Object | {} | An object of section keys and schema partial values, where each schema partial is applied to the respective section. |
suffix-icon | String | '' | Specifies an icon to put in the suffixIcon section. |
type | String | text | The type of input to render from the library. |
validation | String, Array | [] | The validation rules to be applied to the input. |
validation-visibility | String | blur | Determines when to show an input's failing validation rules. Valid values are blur , dirty , and live . |
validation-label | String | {label prop} | Determines what label to use in validation error messages, by default it uses the label prop if available, otherwise it uses the name prop. |
validation-rules | Object | {} | Additional custom validation rules to make available to the validation prop. |
value | Any | undefined | Seeds the initial value of an input and/or its children. Not reactive. Can seed entire groups (forms) and lists.. |
The toggle buttons input has a different construction depending on if it's a single or multiple configuration.
You can target a specific section of an input using that section's "key", allowing you to modify that section's classes, HTML (via :sections-schema
, or content (via slots)). Read more about sections here.
Section-key | Description |
---|---|
singleToggle | Button wrapper for the single toggle button |
multiToggle | Button wrapper for a toggle button when multiple toggle buttons exist |
inputInner | Button inner text for a toggle button |
option | Responsible for the wrapper around each item in the options. |
options | Responsible for the wrapper element around all of the option items. |
Show Universal section keys | |
outer | The outermost wrapping element. |
wrapper | A wrapper around the label and input. |
label | The label of the input. |
prefix | Has no output by default, but allows content directly before an input element. |
prefixIcon | An element for outputting an icon before the prefix section. |
inner | A wrapper around the actual input element. |
suffix | Has no output by default, but allows content directly after an input element. |
suffixIcon | An element for outputting an icon after the suffix section. |
input | The input element itself. |
help | The element containing help text. |
messages | A wrapper around all the messages. |
message | The element (or many elements) containing a message — most often validation and error messages. |
All FormKit inputs are designed with the following accessibility considerations in mind. Help us continually improve accessibility for all by filing accessibility issues here:
Section Key | Attribute | Default | Description |
---|---|---|---|
singleToggle | aria-label | Provides an accessible name. | |
aria-pressed | Indicates the pressed state of toggle button. | ||
role | checkbox | Indicates to assistive technologies that this element functions as a checkbox. | |
Show Universal section key | |||
label | label | for | Associates the label to an input element. Users can click on the label to focus the input or to toggle between states. |
input | input | disabled | Disables an HTML element, preventing user interaction and signaling a non-interactive state. |
aria-describedby | Associates an element with a description, aiding screen readers. | ||
aria-required | Adds this attribute when validation is required. | ||
icon | icon | for | Whenever icon is defined as a label it links it to an input element. |
Section Key | Attribute | Default | Description |
---|---|---|---|
multiToggle | aria-label | Provides an accessible name. | |
aria-pressed | Indicates the pressed state of toggle button. | ||
role | checkbox or radio | Indicates to assistive technologies that this element functions as a checkbox if has options or radio if not. | |
options | role | group | Indicates to assistive technologies that this element functions as a group. |
aria-labelledby | Associates this element as a label for the input. | ||
option | role | listitem | Indicates to assistive technologies that this element functions as listitem. |
Show Universal section key | |||
label | label | for | Associates the label to an input element. Users can click on the label to focus the input or to toggle between states. |
input | input | disabled | Disables an HTML element, preventing user interaction and signaling a non-interactive state. |
aria-describedby | Associates an element with a description, aiding screen readers. | ||
aria-required | Adds this attribute when validation is required. | ||
icon | icon | for | Whenever icon is defined as a label it links it to an input element. |
Keyboard Event | Description |
---|---|
Tab | Moves the focus to the next focusable input on the page. |
Shift + Tab | Moves the focus to the previous focusable input on the page. |