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import React, { useCallback, useRef, useState } from 'react';
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import { UploadOutlined } from '@ant-design/icons';
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import { Button, Tooltip, Upload } from 'antd';
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import type { UploadFile, UploadProps } from 'antd/es/upload/interface';
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import update from 'immutability-helper';
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import { DndProvider, useDrag, useDrop } from 'react-dnd';
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import { HTML5Backend } from 'react-dnd-html5-backend';
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const type = 'DragableUploadList';
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interface DragableUploadListItemProps {
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originNode: React.ReactElement<any, string | React.JSXElementConstructor<any>>;
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file: UploadFile;
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fileList: UploadFile[];
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moveRow: (dragIndex: any, hoverIndex: any) => void;
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}
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const DragableUploadListItem = ({
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originNode,
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moveRow,
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file,
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fileList,
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}: DragableUploadListItemProps) => {
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const ref = useRef<HTMLDivElement>(null);
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const index = fileList.indexOf(file);
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const [{ isOver, dropClassName }, drop] = useDrop({
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accept: type,
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collect: (monitor) => {
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const { index: dragIndex } = monitor.getItem() || {};
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if (dragIndex === index) {
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return {};
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}
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return {
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isOver: monitor.isOver(),
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dropClassName: dragIndex < index ? ' drop-over-downward' : ' drop-over-upward',
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};
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},
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drop: (item: any) => {
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moveRow(item.index, index);
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},
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});
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const [, drag] = useDrag({
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type,
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item: { index },
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collect: (monitor) => ({
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isDragging: monitor.isDragging(),
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}),
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});
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drop(drag(ref));
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const errorNode = <Tooltip title="Upload Error">{originNode.props.children}</Tooltip>;
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return (
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<div
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ref={ref}
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className={`ant-upload-draggable-list-item ${isOver ? dropClassName : ''}`}
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style={{ cursor: 'move' }}
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>
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{file.status === 'error' ? errorNode : originNode}
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</div>
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);
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};
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const App: React.FC = () => {
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const [fileList, setFileList] = useState<UploadFile[]>([
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{
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uid: '-1',
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name: 'image1.png',
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status: 'done',
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url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
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},
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{
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uid: '-2',
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name: 'image2.png',
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status: 'done',
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url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
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},
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{
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uid: '-3',
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name: 'image3.png',
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status: 'done',
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url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
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},
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{
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uid: '-4',
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name: 'image4.png',
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status: 'done',
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url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
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},
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{
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uid: '-5',
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name: 'image.png',
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status: 'error',
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},
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]);
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const moveRow = useCallback(
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(dragIndex: number, hoverIndex: number) => {
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const dragRow = fileList[dragIndex];
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setFileList(
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update(fileList, {
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$splice: [
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[dragIndex, 1],
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[hoverIndex, 0, dragRow],
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],
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}),
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);
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},
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[fileList],
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);
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const onChange: UploadProps['onChange'] = ({ fileList: newFileList }) => {
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setFileList(newFileList);
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};
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return (
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<DndProvider backend={HTML5Backend}>
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<Upload
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action="https://www.mocky.io/v2/5cc8019d300000980a055e76"
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fileList={fileList}
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onChange={onChange}
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itemRender={(originNode, file, currFileList) => (
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<DragableUploadListItem
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originNode={originNode}
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file={file}
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fileList={currFileList}
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moveRow={moveRow}
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/>
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)}
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>
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<Button icon={<UploadOutlined />}>Click to Upload</Button>
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</Upload>
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</DndProvider>
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);
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};
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export default App;
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