Dropzone

Capture files from user with drag and drop

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Package

@mantine/dropzone

License

MIT

Installation

Package depends on @mantine/core and @mantine/hooks.

Install with yarn:

yarn add @mantine/dropzone

Install with npm:

npm install @mantine/dropzone

Usage

Dropzone lets you capture one or more files from user. Component is based on react-dropzone and support all of its core features:

Accepts/rejects files based on provided mime types
Limits individual file size
Renders given children and provides context based component to display elements based on current status

Drag images here or click to select files

Attach as many files as you like, each file should not exceed 5mb

import { Group, Text, useMantineTheme, rem } from '@mantine/core';
import { IconUpload, IconPhoto, IconX } from '@tabler/icons-react';
import { Dropzone, DropzoneProps, IMAGE_MIME_TYPE } from '@mantine/dropzone';

export function BaseDemo(props: Partial<DropzoneProps>) {
  const theme = useMantineTheme();
  return (
    <Dropzone
      onDrop={(files) => console.log('accepted files', files)}
      onReject={(files) => console.log('rejected files', files)}
      maxSize={3 * 1024 ** 2}
      accept={IMAGE_MIME_TYPE}
      {...props}
    >
      <Group position="center" spacing="xl" style={{ minHeight: rem(220), pointerEvents: 'none' }}>
        <Dropzone.Accept>
          <IconUpload
            size="3.2rem"
            stroke={1.5}
            color={theme.colors[theme.primaryColor][theme.colorScheme === 'dark' ? 4 : 6]}
          />
        </Dropzone.Accept>
        <Dropzone.Reject>
          <IconX
            size="3.2rem"
            stroke={1.5}
            color={theme.colors.red[theme.colorScheme === 'dark' ? 4 : 6]}
          />
        </Dropzone.Reject>
        <Dropzone.Idle>
          <IconPhoto size="3.2rem" stroke={1.5} />
        </Dropzone.Idle>

        <div>
          <Text size="xl" inline>
            Drag images here or click to select files
          </Text>
          <Text size="sm" color="dimmed" inline mt={7}>
            Attach as many files as you like, each file should not exceed 5mb
          </Text>
        </div>
      </Group>
    </Dropzone>
  );
}

Dropzone.Accept, Dropzone.Reject and Dropzone.Idle

Dropzone.Accept, Dropzone.Reject and Dropzone.Idle components are visible only when the user performs certain action:

Dropzone.Accept is visible only when the user drags file that can be accepted over the dropzone
Dropzone.Reject is visible only when the user drags file that cannot be accepted over the dropzone
Dropzone.Idle is visible when the user does not drag anything over dropzone

Loading state

Set loading prop to indicate loading state with LoadingOverlay component. When loading props is true user cannot drop or select new files (Dropzone becomes disabled):

Drag images here or click to select files

Attach as many files as you like, each file should not exceed 5mb

import { Dropzone } from '@mantine/dropzone';

function Demo() {
  return (
    <Dropzone loading>
      {/* children */}
    </Dropzone>
  );
}

Disabled state

If you want to implement your own loading state you can disable Dropzone without LoadingOverlay. Same as with loading, when Dropzone is disabled user cannot drop or select new files:

Drag images here or click to select files

Attach as many files as you like, each file should not exceed 5mb

import { createStyles } from '@mantine/core';
import { Dropzone } from '@mantine/dropzone';

// Add your own disabled styles
const useStyles = createStyles((theme) => ({
  disabled: {
    backgroundColor: theme.colorScheme === 'dark' ? theme.colors.dark[6] : theme.colors.gray[0],
    borderColor: theme.colorScheme === 'dark' ? theme.colors.dark[5] : theme.colors.gray[2],
    cursor: 'not-allowed',

    '& *': {
      color: theme.colorScheme === 'dark' ? theme.colors.dark[3] : theme.colors.gray[5],
    },
  },
}));

function Demo() {
  const { classes } = useStyles();

  return (
    <Dropzone disabled className={classes.disabled}>
      {/* children, see previous demo */}
    </Dropzone>
  );
}

Open file browser manually

To open files browser from outside of component use openRef prop to get function that will trigger file browser:

Drag images here or click to select files

Attach as many files as you like, each file should not exceed 5mb

import { useRef } from 'react';
import { Button, Group } from '@mantine/core';
import { Dropzone } from '@mantine/dropzone';

function Demo() {
  const openRef = useRef<() => void>(null);

  return (
    <>
      <Dropzone openRef={openRef}>
        {/* children */}
      </Dropzone>

      <Group position="center" mt="md">
        <Button onClick={() => openRef.current()}>Select files</Button>
      </Group>
    </>
  );
}

By default, Dropzone disables pointer events on its children for dragging events to work. So when we set activateOnClick to false, clicking on any children inside Dropzone will do nothing. However, You can set style pointerEvents: 'all' to make children events to work:

import { useRef } from 'react';
import { Button, Group } from '@mantine/core';
import { Dropzone } from '@mantine/dropzone';

function Demo() {
  const openRef = useRef<() => void>(null);

  return (
    <>
      <Dropzone
        openRef={openRef}
        onDrop={() => {}}
        activateOnClick={false}
        styles={{ inner: { pointerEvents: 'all' } }}
      >
        <Group position="center">
          <Button onClick={() => openRef.current()}>Select files</Button>
        </Group>
      </Dropzone>
    </>
  );
}

Mime types

To specify file types provide an object with the keys set to the mime type and the values as an array of file extensions. Find more examples of accepting specific file types in the react-dropzone documentation.

import { Dropzone } from '@mantine/dropzone';

function Demo() {
  return (
    <Dropzone
      accept={{
        'image/*': [], // All images
        'text/html': ['.html', '.htm'],
      }}
    >
      {/* children */}
    </Dropzone>
  );
}

You can also specify file types by providing an array of mime types to accept prop:

import { Dropzone } from '@mantine/dropzone';

function Demo() {
  return (
    <Dropzone accept={['image/png', 'image/jpeg', 'image/sgv+xml', 'image/gif']}>
      {/* children */}
    </Dropzone>
  );
}

To save some research time you can use MIME_TYPES variable exported from @mantine/dropzone:

import { Dropzone, MIME_TYPES } from '@mantine/dropzone';

function Demo() {
  return (
    <Dropzone accept={[MIME_TYPES.png, MIME_TYPES.jpeg, MIME_TYPES.svg, MIME_TYPES.gif]}>
      {/* children */}
    </Dropzone>
  );
}

MIME_TYPES includes following data:

Key	Mime type
png	image/png
gif	image/gif
jpeg	image/jpeg
svg	image/svg+xml
webp	image/webp
avif	image/avif
mp4	video/mp4
zip	application/zip
csv	text/csv
pdf	application/pdf
doc	application/msword
docx	application/vnd.openxmlformats-officedocument.wordprocessingml.document
xls	application/vnd.ms-excel
xlsx	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ppt	application/vnd.ms-powerpoint
pptx	application/vnd.openxmlformats-officedocument.presentationml.presentation
exe	application/vnd.microsoft.portable-executable

Additionally you can use grouped mime types:

Variable	Mime types
IMAGE_MIME_TYPE	image/png, image/gif, image/jpeg, image/svg+xml, image/webp, image/avif
PDF_MIME_TYPE	application/pdf
MS_WORD_MIME_TYPE	application/msword, application/vnd.openxmlformats-officedocument.wordprocessingml.document
MS_EXCEL_MIME_TYPE	application/vnd.ms-excel, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
MS_POWERPOINT_MIME_TYPE	application/vnd.ms-powerpoint, application/vnd.openxmlformats-officedocument.presentationml.presentation

import { IMAGE_MIME_TYPE, Dropzone } from '@mantine/dropzone';

function Demo() {
  return <Dropzone accept={IMAGE_MIME_TYPE}>{/* children */}</Dropzone>;
}

Styles API

Dropzone root element has the following data attributes to change styles based on current status:

data-loading – when loading prop is true
data-accept – when user drags files that can be accepted over the dropzone
data-reject – when user drags files that cannot be accepted over the dropzone
data-idle – default state – user does not drag any files over dropzone

Drop images here

import { Text, rem } from '@mantine/core';
import { Dropzone, IMAGE_MIME_TYPE } from '@mantine/dropzone';

function Demo() {
  return (
    <Dropzone
      onDrop={() => {}}
      accept={IMAGE_MIME_TYPE}
      sx={(theme) => ({
        minHeight: rem(120),
        display: 'flex',
        justifyContent: 'center',
        alignItems: 'center',
        border: 0,
        backgroundColor: theme.colorScheme === 'dark' ? theme.colors.dark[6] : theme.colors.gray[0],

        '&[data-accept]': {
          color: theme.white,
          backgroundColor: theme.colors.blue[6],
        },

        '&[data-reject]': {
          color: theme.white,
          backgroundColor: theme.colors.red[6],
        },
      })}
    >
      <Text align="center">Drop images here</Text>
    </Dropzone>
  );
}

Images previews

Drop images here

import { useState } from 'react';
import { Text, Image, SimpleGrid } from '@mantine/core';
import { Dropzone, IMAGE_MIME_TYPE, FileWithPath } from '@mantine/dropzone';

function Demo() {
  const [files, setFiles] = useState<FileWithPath[]>([]);

  const previews = files.map((file, index) => {
    const imageUrl = URL.createObjectURL(file);
    return (
      <Image
        key={index}
        src={imageUrl}
        imageProps={{ onLoad: () => URL.revokeObjectURL(imageUrl) }}
      />
    );
  });

  return (
    <div>
      <Dropzone accept={IMAGE_MIME_TYPE} onDrop={setFiles}>
        <Text align="center">Drop images here</Text>
      </Dropzone>

      <SimpleGrid
        cols={4}
        breakpoints={[{ maxWidth: 'sm', cols: 1 }]}
        mt={previews.length > 0 ? 'xl' : 0}
      >
        {previews}
      </SimpleGrid>
    </div>
  );
}

Get ref

import { useRef, useEffect } from 'react';
import { Dropzone } from '@mantine/dropzone';

function Demo() {
  const dropzoneRef = useRef<HTMLDivElement>(null);

  useEffect(() => {
    dropzoneRef.current.focus();
  }, []);

  return <Dropzone ref={dropzoneRef}>{/* children */}</Dropzone>;
}

Dropzone.FullScreen component

Dropzone.FullScreen lets you capture files dropped to browser window instead of specific area. It supports the same props as Dropzone component.

To preview component click button and drop images to browser window:

import { useState } from 'react';
import { Group, Text, useMantineTheme, Button } from '@mantine/core';
import { IconUpload, IconPhoto, IconX } from '@tabler/icons-react';
import { Dropzone, DropzoneProps, IMAGE_MIME_TYPE } from '@mantine/dropzone';

function Demo() {
  const [active, setActive] = useState(false);
  const theme = useMantineTheme();

  return (
    <>
      <Group position="center">
        <Button color={active ? 'red' : 'blue'} onClick={() => setActive((d) => !d)}>
          {active ? 'Disable' : 'Enable'} full screen dropzone
        </Button>
      </Group>

      <Dropzone.FullScreen
        active={active}
        accept={IMAGE_MIME_TYPE}
        onDrop={(files) => {
          console.log(files);
          setActive(false);
        }}
      >
        <Group position="center" spacing="xl" mih={220} sx={{ pointerEvents: 'none' }}>
          <Dropzone.Accept>
            <IconUpload
              size="3.2rem"
              stroke={1.5}
              color={theme.colors[theme.primaryColor][theme.colorScheme === 'dark' ? 4 : 6]}
            />
          </Dropzone.Accept>
          <Dropzone.Reject>
            <IconX
              size="3.2rem"
              stroke={1.5}
              color={theme.colors.red[theme.colorScheme === 'dark' ? 4 : 6]}
            />
          </Dropzone.Reject>
          <Dropzone.Idle>
            <IconPhoto size="3.2rem" stroke={1.5} />
          </Dropzone.Idle>

          <div>
            <Text size="xl" inline>
              Drag images here or click to select files
            </Text>
            <Text size="sm" color="dimmed" inline mt={7}>
              Attach as many files as you like, each file should not exceed 5mb
            </Text>
          </div>
        </Group>
      </Dropzone.FullScreen>
    </>
  );
}

Go back

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Up next

Modals manager – @mantine/modals

Dropzone component props

Name	Type	Description
accept	string[] \| Accept	File types to accept
activateOnClick	boolean	If false, disables click to open the native file selection dialog
activateOnDrag	boolean	If false, disables drag 'n' drop
activateOnKeyboard	boolean	If false, disables Space/Enter to open the native file selection dialog. Note that it also stops tracking the focus state.
autoFocus	boolean	Set to true to autofocus the root element
children^*	ReactNode	Dropzone statues
disabled	boolean	Disable files capturing
dragEventsBubbling	boolean	If false, stops drag event propagation to parents
getFilesFromEvent	(event: DropEvent) => Promise<(File \| DataTransferItem)[]>	Use this to provide a custom file aggregator
loading	boolean	Display loading overlay over dropzone
maxFiles	number	Number of files that user can pick
maxSize	number	Set maximum file size in bytes
multiple	boolean	Allow selection of multiple files
name	string	Name of the form control. Submitted with the form as part of a name/value pair.
onDragEnter	(event: DragEvent<HTMLElement>) => void	Called when the `dragenter` event occurs
onDragLeave	(event: DragEvent<HTMLElement>) => void	Called when the `dragleave` event occurs
onDragOver	(event: DragEvent<HTMLElement>) => void	Called when the `dragover` event occurs
onDrop^*	(files: FileWithPath[]) => void	Called when valid files are dropped into dropzone
onDropAny	(files: FileWithPath[], fileRejections: FileRejection[]) => void	Called when any files are dropped into dropzone
onFileDialogCancel	() => void	Called when user closes the file selection dialog with no selection
onFileDialogOpen	() => void	Called when user opens the file selection dialog
onReject	(fileRejections: FileRejection[]) => void	Called when selected files don't meet file restrictions
openRef	ForwardedRef<() => void>	Get open function as ref
padding	number \| "xs" \| "sm" \| "md" \| "lg" \| "xl"	Padding from theme.spacing, or any valid CSS value to set padding
preventDropOnDocument	boolean	If false, allow dropped items to take over the current browser window
radius	number \| "xs" \| "sm" \| "md" \| "lg" \| "xl"	Key of theme.radius or any valid CSS value to set border-radius, theme.defaultRadius by default
useFsAccessApi	boolean	Set to true to use the File System Access API to open the file picker instead of using an <input type="file"> click event, defaults to true
validator	<T extends File>(file: T) => FileError \| FileError[]	Custom validation function. It must return null if there's no errors.

Dropzone.FullScreen component props

Name	Type	Description
accept	string[] \| Accept	File types to accept
activateOnClick	boolean	If false, disables click to open the native file selection dialog
activateOnDrag	boolean	If false, disables drag 'n' drop
activateOnKeyboard	boolean	If false, disables Space/Enter to open the native file selection dialog. Note that it also stops tracking the focus state.
active	boolean	Determines whether user can drop files to browser window, true by default
autoFocus	boolean	Set to true to autofocus the root element
children^*	ReactNode	Dropzone statues
disabled	boolean	Disable files capturing
dragEventsBubbling	boolean	If false, stops drag event propagation to parents
getFilesFromEvent	(event: DropEvent) => Promise<(File \| DataTransferItem)[]>	Use this to provide a custom file aggregator
loading	boolean	Display loading overlay over dropzone
maxFiles	number	Number of files that user can pick
maxSize	number	Set maximum file size in bytes
multiple	boolean	Allow selection of multiple files
name	string	Name of the form control. Submitted with the form as part of a name/value pair.
onDragEnter	(event: DragEvent<HTMLElement>) => void	Called when the `dragenter` event occurs
onDragLeave	(event: DragEvent<HTMLElement>) => void	Called when the `dragleave` event occurs
onDragOver	(event: DragEvent<HTMLElement>) => void	Called when the `dragover` event occurs
onDrop^*	(files: FileWithPath[]) => void	Called when valid files are dropped into dropzone
onDropAny	(files: FileWithPath[], fileRejections: FileRejection[]) => void	Called when any files are dropped into dropzone
onFileDialogCancel	() => void	Called when user closes the file selection dialog with no selection
onFileDialogOpen	() => void	Called when user opens the file selection dialog
onReject	(fileRejections: FileRejection[]) => void	Called when selected files don't meet file restrictions
openRef	ForwardedRef<() => void>	Get open function as ref
padding	number \| "xs" \| "sm" \| "md" \| "lg" \| "xl"	Padding from theme.spacing, or any valid CSS value to set padding
portalProps	Omit<PortalProps, "children" \| "withinPortal">	Props to pass down to the portal when withinPortal is true
preventDropOnDocument	boolean	If false, allow dropped items to take over the current browser window
radius	number \| "xs" \| "sm" \| "md" \| "lg" \| "xl"	Key of theme.radius or any valid CSS value to set border-radius, theme.defaultRadius by default
useFsAccessApi	boolean	Set to true to use the File System Access API to open the file picker instead of using an <input type="file"> click event, defaults to true
validator	<T extends File>(file: T) => FileError \| FileError[]	Custom validation function. It must return null if there's no errors.
withinPortal	boolean	Determines whether component should be rendered within Portal, true by default
zIndex	ZIndex	z-index value, 9999 by default

Dropzone component Styles API

Name	Static selector	Description
root	.mantine-Dropzone-root	Root element
inner	.mantine-Dropzone-inner	Inner element containing dropzone children

DropzoneFullScreen component Styles API

Name	Static selector	Description
root	.mantine-DropzoneFullScreen-root	Root element
inner	.mantine-DropzoneFullScreen-inner	Inner element containing dropzone children
wrapper	.mantine-DropzoneFullScreen-wrapper	Wrapper around dropzone

Learn more about Styles API

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