React FileUploader API
The FileUploader widget enables an end user to upload files to the server. An end user can select files in the file explorer or drag and drop files to the FileUploader area on the page.
See Also
- Set Up DevExtreme: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Props
Name | Description |
---|---|
accept |
Specifies a file type or several types accepted by the widget. |
accessKey |
Specifies the shortcut key that sets focus on the widget. |
activeStateEnabled |
Specifies whether or not the widget changes its state when interacting with a user. |
allowCanceling |
Specifies if an end user can remove a file from the selection and interrupt uploading. |
allowedFileExtensions |
Restricts file extensions that can be uploaded to the server. |
chunkSize |
Specifies the chunk size in bytes. Applies only if uploadMode is "instantly" or "useButtons". Requires a server that can process file chunks. |
disabled |
Specifies whether the widget responds to user interaction. |
elementAttr |
Specifies the attributes to be attached to the widget's root element. |
focusStateEnabled |
Specifies whether the widget can be focused using keyboard navigation. |
height |
Specifies the widget's height. |
hint |
Specifies text for a hint that appears when a user pauses on the widget. |
hoverStateEnabled |
Specifies whether the widget changes its state when a user pauses on it. |
invalidFileExtensionMessage |
The text displayed when the extension of the file being uploaded is not an allowed file extension. |
invalidMaxFileSizeMessage |
The text displayed when the size of the file being uploaded is greater than the maxFileSize. |
invalidMinFileSizeMessage |
The text displayed when the size of the file being uploaded is less than the minFileSize. |
isValid |
Specifies whether the editor's value is valid. |
labelText |
Specifies the text displayed on the area to which an end-user can drop a file. |
maxFileSize |
Specifies the maximum file size (in bytes) allowed for uploading. Applies only if uploadMode is "instantly" or "useButtons". |
minFileSize |
Specifies the minimum file size (in bytes) allowed for uploading. Applies only if uploadMode is "instantly" or "useButtons". |
multiple |
Specifies whether the widget enables an end-user to select a single file or multiple files. |
name |
Specifies the value passed to the name attribute of the underlying input element. Required to access uploaded files on the server. |
onContentReady |
A function that is executed when the widget's content is ready and each time the content is changed. |
onDisposing |
A function that is executed before the widget is disposed of. |
onInitialized |
A function used in JavaScript frameworks to save the widget instance. |
onOptionChanged |
A function that is executed after a widget option is changed. |
onProgress |
A function that is executed when a file segment is uploaded. |
onUploadAborted |
A function that is executed when the file upload is aborted. |
onUploaded |
A function that is executed when a file is successfully uploaded. |
onUploadError |
A function that is executed when an error occurs during the file upload. |
onUploadStarted |
A function that is executed when the file upload is started. |
onValueChanged |
A function that is executed when one or several files are added to or removed from the selection. |
progress |
Gets the current progress in percentages. |
readOnly |
Specifies whether the editor is read-only. |
readyToUploadMessage |
The message displayed by the widget when it is ready to upload the specified files. |
rtlEnabled |
Switches the widget to a right-to-left representation. |
selectButtonText |
The text displayed on the button that opens the file browser. |
showFileList |
Specifies whether or not the widget displays the list of selected files. |
tabIndex |
Specifies the number of the element when the Tab key is used for navigating. |
uploadButtonText |
The text displayed on the button that starts uploading. |
uploadedMessage |
The message displayed by the widget when uploading is finished. |
uploadFailedMessage |
The message displayed by the widget on uploading failure. |
uploadHeaders |
Specifies headers for the upload request. |
uploadMethod |
Specifies the method for the upload request. |
uploadMode |
Specifies how the widget uploads files. |
uploadUrl |
Specifies a target Url for the upload request. |
validationError |
Specifies information on the validation error when using a custom validation engine. Should be changed at runtime along with the isValid option. |
value |
Specifies a File instance representing the selected file. Read-only when uploadMode is "useForm". |
visible |
Specifies whether the widget is visible. |
width |
Specifies the widget's width. |
See Also
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Methods
Name | Description |
---|---|
beginUpdate() |
Prevents the widget from refreshing until the endUpdate() method is called. |
defaultOptions(rule) |
Specifies the device-dependent default configuration options for this component. |
dispose() |
Disposes of all the resources allocated to the FileUploader instance. |
element() |
Gets the root widget element. |
endUpdate() |
Refreshes the widget after a call of the beginUpdate() method. |
focus() |
Sets focus on the widget. |
getInstance(element) |
Gets the instance of a widget found using its DOM node. |
instance() |
Gets the widget's instance. Use it to access other methods of the widget. |
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 widget options. |
option(optionName) |
Gets the value of a single option. |
option(optionName, optionValue) |
Updates the value of a single option. |
option(options) |
Updates the values of several options. |
registerKeyHandler(key, handler) |
Registers a handler to be executed when a user presses a specific key. |
repaint() |
Repaints the widget without reloading data. Call it to update the widget's markup. |
reset() |
Resets the value option to the default value. |
Events
Name | Description |
---|---|
contentReady |
Raised when the widget's content is ready. |
disposing |
Raised before the widget is disposed of. |
initialized |
Raised only once, after the widget is initialized. |
optionChanged |
Raised after a widget option is changed. |
progress |
Raised when a file segment is uploaded. |
uploadAborted |
Raised when the file upload is aborted. |
uploaded |
Raised when a file is successfully uploaded. |
uploadError |
Raised when an error occurs during the file upload. |
uploadStarted |
Raised when the file upload is started. |
valueChanged |
Raised when one or several files are added to or removed from the selection. |
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
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