React FileManager API

The FileManager is a UI component that allows users to upload, select, and manage files and directories in different file storages.

import FileManager from "devextreme-react/file-manager"

Type: FileManagerTypes.default

View Demo

Configuration

This section describes properties that configure the FileManager UI component's contents, behavior, and appearance.

Name	Description
accessKey	Specifies the shortcut key that sets focus on the UI component.
activeStateEnabled	Specifies whether or not the UI component changes its state when interacting with a user.
allowedFileExtensions	Specifies the allowed upload file extensions.
contextMenu	Configures the context menu settings.
currentPath	Specifies the path that is used when the FileManager is initialized.
currentPathKeys	Specifies an array of path keys to the current location.
customizeDetailColumns	Customizes columns in details view. Applies only if itemView.mode is "details".
customizeThumbnail	Allows you to provide custom icons to be used as thumbnails.
disabled	Specifies whether the UI component responds to user interaction.
elementAttr	Specifies the global attributes to be attached to the UI component's container element.
fileSystemProvider	Specifies the file system provider.
focusedItemKey	Specifies a key of the initially or currently focused item.
focusStateEnabled	Specifies whether the UI component can be focused using keyboard navigation.
height	Specifies the UI component's height.
hint	Specifies text for a hint that appears when a user pauses on the UI component.
hoverStateEnabled	Specifies whether the UI component changes its state when a user pauses on it.
itemView	Configures the file and folder view.
onContentReady	A function that is executed when the UI component's content is ready and each time the content is changed.
onContextMenuItemClick	A function that is executed when a context menu item is clicked.
onCurrentDirectoryChanged	A function that is executed when the current directory is changed.
onDisposing	A function that is executed before the UI component is disposed of.
onErrorOccurred	A function that is executed when an error occurs.
onFocusedItemChanged	A function that is executed when the focused item is changed.
onInitialized	A function used in JavaScript frameworks to save the UI component instance.
onOptionChanged	A function that is executed after a UI component property is changed.
onSelectedFileOpened	A function that is executed when the selected file is opened.
onSelectionChanged	A function that is executed when a file system item is selected or selection is canceled.
onToolbarItemClick	A function that is executed when a toolbar item is clicked.
permissions	Specifies actions that a user is allowed to perform on files and folders.
rootFolderName	Specifies the root folder name.
rtlEnabled	Switches the UI component to a right-to-left representation.
selectedItemKeys	Contains an array of initially or currently selected files and directories' keys.
selectionMode	Specifies whether a user can select a single or multiple files and folders in the item view simultaneously.
tabIndex	Specifies the number of the element when the Tab key is used for navigating.
toolbar	Configures toolbar settings.
upload	Configures upload settings.
visible	Specifies whether the UI component is visible.
width	Specifies the UI component's width.

Methods

This section describes methods that control the FileManager UI component.

Name	Description
beginUpdate()	Prevents the UI component from refreshing until the endUpdate() method is called.
defaultOptions(rule)	Specifies the device-dependent default configuration properties for this component.
dispose()	Disposes of all the resources allocated to the FileManager instance.
element()	Gets the root UI component element.
endUpdate()	Refreshes the UI component after a call of the beginUpdate() method.
focus()	Sets focus on the UI component.
getCurrentDirectory()	Gets the current directory object.
getInstance(element)	Gets the instance of a UI component found using its DOM node.
getSelectedItems()	Gets the selected items.
instance()	Gets the UI component's instance. Use it to access other methods of the UI component.
off(eventName)	Detaches all event handlers from a single event.
off(eventName, eventHandler)	Detaches a particular event handler from a single event.
on(eventName, eventHandler)	Subscribes to an event.
on(events)	Subscribes to events.
option()	Gets all UI component properties.
option(optionName)	Gets the value of a single property.
option(optionName, optionValue)	Updates the value of a single property.
option(options)	Updates the values of several properties.
refresh()	Reloads data and repaints the UI component.
registerKeyHandler(key, handler)	Registers a handler to be executed when a user presses a specific key.
repaint()	Repaints the UI component without reloading data. Call it to update the UI component's markup.
resetOption(optionName)	Resets an property to its default value.

Events

This section describes events that the FileManager UI component raises.

Name	Description
contentReady	Raised when the UI component's content is ready.
contextMenuItemClick	Raised when a context menu item is clicked.
currentDirectoryChanged	Raised when the current directory is changed.
disposing	Raised before the UI component is disposed of.
errorOccurred	Raised when an error occurs during file processing.
focusedItemChanged	Raised when the focused item is changed.
initialized	Raised only once, after the UI component is initialized.
optionChanged	Raised after a UI component property is changed.
selectedFileOpened	Raised when the selected file is opened.
selectionChanged	Raised when a file system item is selected or selection is canceled.
toolbarItemClick	Raised when a toolbar item is clicked.

File System Providers

File system providers are components that provide APIs used to access and modify virtual file systems. This section describes file system providers supported by the FileManager.