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import React, { useId, useState } from 'react' |
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import classnames from 'classnames' |
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import { __ } from '@wordpress/i18n' |
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import type { DragEventHandler, RefObject } from 'react' |
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|
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export interface DragDropUploadAreaProps { |
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fileInputRef: RefObject<HTMLInputElement> |
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onFileSelect: (files: FileList | undefined) => void |
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disabled?: boolean |
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} |
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|
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const useDragDropZone = ( |
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disabled: boolean | undefined, |
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onFileSelect: (files: FileList | undefined) => void |
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) => { |
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const [dragOver, setDragOver] = useState(false) |
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|
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const handleDragOver: DragEventHandler<HTMLElement> = event => { |
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if (disabled) { |
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return |
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} |
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|
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event.preventDefault() |
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setDragOver(true) |
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} |
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|
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const handleDragLeave: DragEventHandler<HTMLElement> = event => { |
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if (disabled) { |
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return |
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} |
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|
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event.preventDefault() |
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setDragOver(false) |
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} |
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|
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const handleDrop: DragEventHandler<HTMLElement> = event => { |
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if (disabled) { |
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return |
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} |
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|
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handleDragLeave(event) |
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if (0 < event.dataTransfer.files.length) { |
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onFileSelect(event.dataTransfer.files) |
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} |
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} |
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|
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return { dragOver, handleDragOver, handleDragLeave, handleDrop } |
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} |
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|
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export const DragDropUploadArea: React.FC<DragDropUploadAreaProps> = ({ fileInputRef, onFileSelect, disabled }) => { |
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const fileInputId = useId() |
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const { dragOver, handleDragOver, handleDragLeave, handleDrop } = useDragDropZone(disabled, onFileSelect) |
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|
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return ( |
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<div |
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className="upload-drop-zone-wrapper" |
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onDragOver={handleDragOver} |
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onDragLeave={handleDragLeave} |
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onDrop={handleDrop} |
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> |
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<label |
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htmlFor={fileInputId} |
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className={classnames('upload-drop-zone', { 'drag-over': dragOver, 'disabled': disabled })} |
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> |
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<div className="drop-zone-icon" aria-hidden="true">📁</div> |
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<p>{__('Drag and drop files here, or click to browse', 'code-snippets')}</p> |
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<p>{__('Supports JSON and XML files', 'code-snippets')}</p> |
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</label> |
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<input |
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ref={fileInputRef} |
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id={fileInputId} |
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className="upload-drop-zone-file-input" |
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type="file" |
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accept="application/json,.json,text/xml" |
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multiple |
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onChange={event => onFileSelect(event.target.files ?? undefined)} |
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disabled={disabled} |
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aria-label={__('Select files to import', 'code-snippets')} |
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/> |
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</div> |
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) |
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} |
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|
