package.src.components.MultipleFileUpload.MultipleFileUpload.tsx Maven / Gradle / Ivy

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This library provides a set of common React components for use with the PatternFly reference implementation.

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import * as React from 'react';
import { DropzoneOptions, useDropzone } from 'react-dropzone';
import { DropEvent } from '../../helpers/typeUtils';
import styles from '@patternfly/react-styles/css/components/MultipleFileUpload/multiple-file-upload';
import { css } from '@patternfly/react-styles';

/** Acts as a container for all other MultipleFileUpload sub-components. This sub-component
 * also provides the functionality for file uploads, and access to the uploaded files via
 * a callback.
 */

export interface MultipleFileUploadProps extends Omit, 'value'> {
  /** Content rendered inside the multi upload field */
  children?: React.ReactNode;
  /** Class to add to outer div */
  className?: string;
  /** Optional extra props to customize react-dropzone. */
  dropzoneProps?: DropzoneOptions;
  /** Flag setting the component to horizontal styling mode */
  isHorizontal?: boolean;
  /** When files are dropped or uploaded this callback will be called with all accepted files */
  onFileDrop?: (event: DropEvent, data: File[]) => void;
}

export const MultipleFileUploadContext = React.createContext({
  open: () => {}
});

export const MultipleFileUpload: React.FunctionComponent = ({
  className,
  children,
  dropzoneProps = {},
  isHorizontal,
  onFileDrop = () => {},
  ...props
}: MultipleFileUploadProps) => {
  const onDropAccepted = (acceptedFiles: File[], event: DropEvent) => {
    onFileDrop(event, acceptedFiles);
    // allow users to set a custom drop accepted handler rather than using on data change
    dropzoneProps.onDropAccepted && dropzoneProps.onDropAccepted(acceptedFiles, event);
  };

  const { getRootProps, getInputProps, isDragActive, open } = useDropzone({
    multiple: true,
    ...dropzoneProps,
    onDropAccepted
  });

  const rootProps = getRootProps({
    ...props,
    onClick: (event) => event.stopPropagation() // Prevents clicking TextArea from opening file dialog
  });

  return (
    
      
        
        {children}
      
    
  );
};

MultipleFileUpload.displayName = 'MultipleFileUpload';