The File Button component for Retool Apps

A button to select single or multiple files.

Version: Cloud and 3.234 Edge

Refer to the File inputs guide for more information on how to use this component.

Demo

Properties

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

accept

A list of file extensions or file-type specifiers to accept.

Type	array
Array values	string
Configurability	Inspector > content > File types

Examples

["image/*", "pdf", "doc"]

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appendNewSelection

Whether to append additional files to the value.

Type	boolean
Configurability	Inspector

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disabled

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

Type	boolean
Format	True/False
Configurability	Inspector > Interaction > Disabled
Default	false

Examples

true

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events

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

Type	array
Array values	object
Configurability	Inspector > Interaction > Event handlers

Array Object Properties

event

The event that triggers the action. Refer to the events section for details of available events for this object.

Type	string
Configurability	Inspector > Interaction > Event handlers > Event

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method

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

Type	string
Configurability	Inspector > Interaction > Event handlers > Edit event handler > Run script actions

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type

The type of action to perform.

Type	string
Configurability	Inspector > Interaction > Event handlers > Edit event handler > Action
Allowed Values	Value Description 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).

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files

A list of metadata from the selected files.

Type	array
Array values	object
Configurability	Read-only

Array Object Properties

lastModified

The last modified date as a timestamp.

Type	number
Format	Timestamp
Configurability	Read-only

Examples

1617024000000

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name

The file name with extension.

Type	string
Configurability	Read-only

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retoolStorageId

The file ID if uploaded to Retool Storage.

Type	string
Configurability	Read-only

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size

The file size, in bytes.

Type	string
Configurability	Read-only

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type

The MIME type.

Type	string
Configurability	Read-only

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uploading

Whether the file is uploading.

Type	boolean
Configurability	Read-only

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iconAfter

The suffix icon to display.

Type	string
Format	Icon Key
Configurability	Inspector > Content > Add-ons > Suffix icon
Default	null

Examples

/icon:bold/shopping-gift

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iconBefore

The prefix icon to display.

Type	string
Format	Icon Key
Configurability	Inspector > Content > Add-ons > Prefix icon
Default	null

Examples

/icon:bold/shopping-gift

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isPublic

Whether to make the file public when uploading with Retool Storage.

Type	boolean
Configurability	Inspector

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loaderPosition

The position of the loading indicator if loading is true.

Type	string
Configurability	Inspector > Interaction > Loader position
Allowed Values	Value Description auto Position automatically. replace Replace the text. left Left of text. right Right of text.
Default	auto

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loading

Whether to display a loading indicator.

Type	boolean
Format	True/False
Configurability	Inspector > Interaction > Loading
Default	false

Examples

true

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maxCount

The maximum number of items to allow.

Type	number
Configurability	Inspector

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maxSize

The maximum file size allowed.

Type	number
Configurability	Inspector

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minCount

The minimum number of items to allow.

Type	number
Configurability	Inspector

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minSize

The minimum file size allowed.

Type	number
Configurability	Inspector

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parsedValue

The parsed value of the input.

Type	array
Array values	string
Configurability	Read-only

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parseFiles

Whether to parse plain-text content.

Type	boolean
Configurability	Inspector

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parsing

Whether content is being parsed.

Type	boolean
Configurability	Read-only

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selectionType

The type of file selection.

Type	string
Configurability	Inspector
Allowed Values	Value Description single Select a single file. multiple Select multiple files. directory Select a directory of files.

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shouldOverwriteOnNameCollision

Whether to replace a file with the same name when uploading with Retool Storage.

Type	boolean
Configurability	Inspector

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style

Custom style options.

Type	object
Configurability	Inspector > Appearance > style

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styleVariant

The style variant to use.

Type	string
Format	Plain Text
Configurability	Inspector > Appearance > Variant
Allowed Values	Value Description solid Solid style. outline Outline style.
Default	solid

Examples

solid

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text

The primary text content.

Type	string
Format	Plain Text
Configurability	Inspector > Content > Add-ons > Text

Examples

Submit

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uploadToRetoolStorage

Whether to upload a file to Retool Storage.

Type	boolean
Configurability	Inspector

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value

A list of uploaded files.

Type	array
Configurability	Read-only

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Methods

JavaScript API methods for this object. You can write JavaScript almost anywhere in Retool and use methods to manipulate data and property values.

fileButton.clearValidation()

Clear the validation message from the input field.

Definition

fileButton.clearValidation()

Examples

Clear the validation message from fileButton.

fileButton.clearValidation();

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fileButton.clearValue()

Clear the current values.

Definition

fileButton.clearValue()

Examples

Clear the current value of fileButton.

fileButton.clearValue();

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fileButton.focus()

Set focus on the input field.

Definition

fileButton.focus()

Examples

Set focus on fileButton.

fileButton.focus();

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fileButton.resetValue()

Reset the current value to the default value.

Definition

fileButton.resetValue()

Examples

Reset the current value of fileButton.

fileButton.resetValue();

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fileButton.scrollIntoView()

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

Definition

fileButton.scrollIntoView(options)

Parameters

options

The scroll options.

Type

object

Object Properties

behavior

The scroll behavior.

Type	string
Allowed Values	Value Description auto Scroll immediately to the specified position. smooth Scroll gradually to the specified position.

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block

The scroll position relative to the component.

Type	string
Allowed Values	Value Description 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.

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Examples

Scroll the minimum amount to immediately bring fileButton into view.

fileButton.scrollIntoView({behavior: 'auto', block: 'nearest'});

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fileButton.setDisabled()

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

Definition

fileButton.setDisabled(disabled)

Parameters

disabled

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

Type	boolean
Format	True/False
Default	false

Examples

true

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Examples

Disable fileButton.

fileButton.setDisabled(true);

Enable fileButton.

fileButton.setDisabled(false);

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fileButton.setHidden()

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

Definition

fileButton.setHidden(hidden)

Parameters

hidden

Whether this object is hidden from view.

Type	boolean
Format	True/False
Default	false

Examples

true

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Examples

Hide fileButton.

fileButton.setHidden(true);

Unhide fileButton.

fileButton.setHidden(false);

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fileButton.validate()

Validates the value of the input field.

Definition

fileButton.validate()

Examples

Validate the value of fileButton.

fileButton.validate();

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Events

Events triggered by user interactions. You can configure event handlers in the IDE to trigger queries or other actions in response to events.

Event	Description
Change	The value is changed.
Parse	Data is parsed.