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The Listbox component for Retool Apps

An input field to select an option from a list.

Demo

Refer to the selection input guide for more information on using this component.

Settings​

Listbox includes the following configurable options when building apps in the IDE.

Allow option to be deselectedAssign option colors automaticallyCustom ruleDataDisabledEmpty stateEvent handlersForm data keyHide validation messageShow on desktopShow on mobileImage shapeImage sizeOptionsLabelAlignmentLabelsPositionWidthWidth (units)Allow wrappingMaintain space when hiddenMarginRequiredSearchSearch termAlways show in edit modeShow selection indicatorStylesHelper textValue

Properties​

All properties for Listbox with supported data types or values. You can write JavaScript almost anywhere in Retool to manipulate or read property values.

Whether to allow deselection of an item.

Whether to automatically assign a color to each item.

captionByIndex​

string

A list of captions for each item, by index.

colorByIndex​

string[]

A list of colors for each item, by index.

The custom validation message to display if the invalid is true.

data​

any[]

The source data.

Whether input, interaction, selection, or triggering is disabled.

disabledByIndex​

boolean[]

A list of boolean values for each item, by index, that reflect whether they are disabled.

disabledValues​

boolean[]

A list of values not available for selection.

The message to display if no value is set.

events​

object[]

A list of configured event handlers that trigger actions or queries.

Properties

event​

enum

The event type.

Values
change

A user changes the value.

click

A user clicks or taps the component.

submit

A user submits the value.

focus

A user selects the input field.

blur

A user deselects the input field.

scan

A user scans a barcode.

open

A user opens the component.

close

A user closes the component.

true

A user sets the value to true.

false

A user sets the value to false.

select

A user selects a value.

clear

A user clears the value.

upload

A user uploads a file.

parse

An uploaded file is parsed.

inputValueChange

A user changes the value of the input field.

method​

enum

The JavaScript method to perform when type is datasource, widget, state, or localStorage.

The type of action to perform.

Values
datasource

Control query.

widget

Control component.

script

Run script.

state

Set variable.

localStorage

Set localStorage.

util

Perform utility action (e.g., Open URL or Confetti).

fallbackTextByIndex​

string[]

A list of values to use as fallback text for each option.

The key used by a Form component to assign default values to input fields using form.initialData, and to construct the form.data property.

global​

boolean

Whether the object is globally scoped for use in all app pages.

​

boolean

Whether the component is visible.

hiddenByIndex​

boolean[]

A list of items, by index, and whether they are hidden.

Whether to hide the validation message if the invalid is true.

iconByIndex​

enum[]

A list of icons for each item, by index.

Values

You can select an icon or dynamically set one with a valid icon key.

Demo

id​

string

The unique identifier.

imageByIndex​

string[]

A list of images for each item, by index.

invalid​

boolean

Whether the value has failed any validation rules.

Whether the component is visible in the desktop layout.

Whether the component is visible in the mobile layout.

The adornment shape.

Values
circle

Sets the item adornment to a circle.

square

Sets the item adornment to a square.

The adornment size.

Values
auto

Automatically adjusts the item adornment size.

small

Sets the item adornment size to small.

large

Sets the item adornment size to large.

The configuration mode for option lists. Either dynamic for mapped options or static for manual options.

Values
dynamic

Options dynamically mapped from an array.

manual

Options manually configured in the IDE.

label​

string

The text label to display.

The horizontal alignment of the label.

Values
left

Left of the input field.

top

Above the input field.

The label for the node.

The position of the label relative to the input field or value.

Values
top

Above the input field or value.

left

Left of the input field or value.

labels​

string

A list of labels for each item. Falls back to the corresponding value if no label is provided.

The label width, in the unit specified in labelWidthUnit.

The specified units for labelWidth, if labelPosition is left.

Values
%

Percent.

px

Pixels.

col

Columns.

Whether the label can wrap to multiple lines.

Whether the component takes up space on the canvas if hidden is true.

The amount of margin to render outside.

Values
4px 8px

Normal margin.

0

No margin.

pluginType​

string

The plugin type.

Whether a value is required.

The type of search to perform.

Values
fuzzy

Searches using fuzzy logic.

caseInsensitive

Ignores the case used in search terms.

caseSensitive

Matches the case used in search terms.

An optional string to filter the displayed options. Matches values or labels if provided.

selectedIndex​

number

The selected value, by index.

selectedItem​

object

The selected item.

selectedLabel​

string

The label of the selected value, by index.

Whether to remain visible in the editor if hidden is true.

Whether to display an icon next to a selected item.

style​

object

Custom style options in use. Not all style options may be available for all components.

tooltipByIndex​

string[]

A list of tooltips for each item, by index.

The tooltip text to display.

validationMessage​

string

The validation message to display if invalid is true.

value​

string | number

The value.

values​

any[]

A list of possible values.

Methods​

JavaScript API methods for interacting with Listbox. You can write JavaScript almost anywhere in Retool and use methods to manipulate data and property values.

clearValidation​

Clear the validation message from the input field.

listbox.clearValidation()

clearValue​

Clear the current values.

listbox.clearValue()

focus​

Set focus on the input field.

listbox.focus()

resetValue​

Reset the current value to the default value.

listbox.resetValue()

scrollIntoView​

Scrolls the canvas or parent container so that the selected component appears in the visible area.

listbox.scrollIntoView(scrollIntoViewOptions)
Parameters

scrollIntoViewOptions​

object

The scroll options.

Properties

behavior​

enum

The scroll behavior.

Values
auto

Scroll immediately to the specified position.

smooth

Scroll gradually to the specified position.

block​

enum

The scroll position relative to the component.

Values
nearest

Scrolls only the minimum amount required for the component to appear in the visible area. Scrolling does not occur if the component is already in view.

start

Scrolls to position the component at the top of the visible area.

center

Scrolls to position the component in the middle of the visible area.

end

Scrolls to position the component at the bottom of the visible area.

setDisabled​

Set the disabled value to toggle whether the input field is disabled. Defaults to true without a parameter.

listbox.setDisabled(disabled)
Parameters

Whether input, interaction, selection, or triggering is disabled.

setHidden​

Set the hidden value to toggle whether the component is visible. Defaults to true without a parameter.

listbox.setHidden(hidden)
Parameters

​

boolean

Whether the component is visible.

setValue​

Set the current value.

listbox.setValue(value)
Parameters

The value.

Events​

Events are triggered by user interactions, such as clicking a button or entering a value. Use event handlers to trigger queries or other actions in response to events.

change​

The value is changed.