The File Dropzone component for Retool Apps

A drag-and-drop area to select single or multiple files.

Version: Cloud and 3.200 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
Mutability	Control Usage Retool UI Inspector > content > File types

Examples

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

---

appendNewSelection

Whether to append additional files to the value.

Type	boolean
Mutability	Control Usage Retool UI Inspector

---

disabled

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

Type	boolean
Format	True/False
Mutability	Control Usage Retool UI Inspector > Interaction > Disabled Method setDisabled()
Default	false

Examples

true

---

events

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

Type	array
Array values	object
Mutability	Control Usage Retool UI 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
Mutability	Control Usage Retool UI Inspector > Interaction > Event handlers > Event

---

method

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

Type	string
Mutability	Control Usage Retool UI Inspector > Interaction > Event handlers > Edit event handler > Run script actions

---

type

The type of action to perform.

Type	string
Mutability	Control Usage Retool UI 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).

---

---

files

A list of metadata from the selected files.

Type	array
Array values	object
Mutability	Read-only

Array Object Properties

lastModified

The last modified date as a timestamp.

Type	number
Format	Timestamp
Mutability	Read-only

Examples

1617024000000

---

name

The file name with extension.

Type	string
Mutability	Read-only

---

retoolStorageId

The file ID if uploaded to Retool Storage.

Type	string
Mutability	Read-only

---

size

The file size, in bytes.

Type	string
Mutability	Read-only

---

type

The MIME type.

Type	string
Mutability	Read-only

---

uploading

Whether the file is uploading.

Type	boolean
Mutability	Read-only

---

---

iconBefore

The prefix icon to display.

Type	string
Format	Icon Key
Mutability	Control Usage Retool UI Inspector > Content > Add-ons > Prefix icon
Default	null

Examples

/icon:bold/shopping-gift

---

isPublic

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

Type	boolean
Mutability	Control Usage Retool UI Inspector

---

labelPosition

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

Type	string
Format	Plain Text
Mutability	Control Usage Retool UI Inspector > Content > Add-ons > Label > Position
Allowed Values	Value UI Option Description top Top Above the input field or value. left Left Left of the input field or value.
Default	left

Examples

top

---

loading

Whether to display a loading indicator.

Type	boolean
Format	True/False
Mutability	Control Usage Retool UI Inspector > Interaction > Loading
Default	false

Examples

true

---

maxCount

The maximum number of items to allow.

Type	number
Mutability	Control Usage Retool UI Inspector

---

maxSize

The maximum file size allowed.

Type	number
Mutability	Control Usage Retool UI Inspector

---

minCount

The minimum number of items to allow.

Type	number
Mutability	Control Usage Retool UI Inspector

---

minSize

The minimum file size allowed.

Type	number
Mutability	Control Usage Retool UI Inspector

---

parsedValue

The parsed value of the input.

Type	array
Array values	string
Mutability	Read-only

---

parseFiles

Whether to parse plain-text content.

Type	boolean
Mutability	Control Usage Retool UI Inspector

---

parsing

Whether content is being parsed.

Type	boolean
Mutability	Read-only

---

placeholder

The text to display within the input field when there is no value.

Type	string
Format	string
Mutability	Control Usage Retool UI Inspector > Content > Placeholder
Default	Enter a value

Examples

Enter a value

---

selectionType

The type of file selection.

Type	string
Mutability	Control Usage Retool UI Inspector
Allowed Values	Value Description single Select a single file. multiple Select multiple files. directory Select a directory of files.

---

shouldOverwriteOnNameCollision

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

Type	boolean
Mutability	Control Usage Retool UI Inspector

---

style

Custom style options.

Type	object
Mutability	Control Usage Retool UI Inspector > Appearance > style

---

uploadToRetoolStorage

Whether to upload a file to Retool Storage.

Type	boolean
Mutability	Control Usage Retool UI Inspector

---

value

A list of uploaded files.

Type	array
Mutability	Read-only

---

Methods

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

fileDropzone.clearValidation()

Clear the validation message from the input field.

Definition

fileDropzone.clearValidation()

Examples

Clear the validation message from fileDropzone.

fileDropzone.clearValidation();

---

fileDropzone.clearValue()

Clear the current values.

Definition

fileDropzone.clearValue()

Examples

Clear the current value of fileDropzone.

fileDropzone.clearValue();

---

fileDropzone.focus()

Set focus on the input field.

Definition

fileDropzone.focus()

Examples

Set focus on fileDropzone.

fileDropzone.focus();

---

fileDropzone.resetValue()

Reset the current value to the default value.

Definition

fileDropzone.resetValue()

Examples

Reset the current value of fileDropzone.

fileDropzone.resetValue();

---

fileDropzone.scrollIntoView()

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

Definition

fileDropzone.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.

---

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.

---

---

Examples

Scroll the minimum amount to immediately bring fileDropzone into view.

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

---

fileDropzone.setDisabled()

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

Definition

fileDropzone.setDisabled(disabled)

Parameters

disabled

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

Type	boolean
Format	True/False
Default	false

Examples

true

---

Examples

Disable fileDropzone.

fileDropzone.setDisabled(true);

Enable fileDropzone.

fileDropzone.setDisabled(false);

---

fileDropzone.setHidden()

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

Definition

fileDropzone.setHidden(hidden)

Parameters

hidden

Whether this object is hidden from view.

Type	boolean
Format	True/False
Default	false

Examples

true

---

Examples

Hide fileDropzone.

fileDropzone.setHidden(true);

Unhide fileDropzone.

fileDropzone.setHidden(false);

---

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.