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153 lines
4.5 KiB
TypeScript
153 lines
4.5 KiB
TypeScript
import * as React from 'react';
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import Animate from 'rc-animate';
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import Icon from '../icon';
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const prefixCls = 'ant-upload';
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import Progress from '../progress';
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import classNames from 'classnames';
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// https://developer.mozilla.org/en-US/docs/Web/API/FileReader/readAsDataURL
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const previewFile = (file, callback) => {
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const reader = new FileReader();
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reader.onloadend = () => callback(reader.result);
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reader.readAsDataURL(file);
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};
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export default class UploadList extends React.Component {
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static defaultProps = {
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listType: 'text', // or picture
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items: [],
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progressAttr: {
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strokeWidth: 3,
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showInfo: false,
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},
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};
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handleClose = (file) => {
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this.props.onRemove(file);
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}
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handlePreview = (file, e) => {
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e.preventDefault();
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return this.props.onPreview(file);
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}
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componentDidUpdate() {
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if (this.props.listType !== 'picture' && this.props.listType !== 'picture-card') {
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return;
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}
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this.props.items.forEach(file => {
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if (typeof document === 'undefined' ||
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typeof window === 'undefined' ||
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!window.FileReader || !window.File ||
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!(file.originFileObj instanceof File) ||
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file.thumbUrl !== undefined) {
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return;
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}
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/*eslint-disable */
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file.thumbUrl = '';
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/*eslint-enable */
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previewFile(file.originFileObj, (previewDataUrl) => {
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/*eslint-disable */
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file.thumbUrl = previewDataUrl;
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/*eslint-enable */
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this.forceUpdate();
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});
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});
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}
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render() {
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let list = this.props.items.map(file => {
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let progress;
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let icon = <Icon type="paper-clip" />;
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if (this.props.listType === 'picture' || this.props.listType === 'picture-card') {
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if (file.status === 'uploading' || (!file.thumbUrl && !file.url)) {
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if (this.props.listType === 'picture-card') {
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icon = <div className={`${prefixCls}-list-item-uploading-text`}>文件上传中</div>;
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} else {
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icon = <Icon className={`${prefixCls}-list-item-thumbnail`} type="picture" />;
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}
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} else {
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icon = (
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<a
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className={`${prefixCls}-list-item-thumbnail`}
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onClick={e => this.handlePreview(file, e)}
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href={file.url}
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target="_blank"
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>
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<img src={file.thumbUrl || file.url} alt={file.name} />
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</a>
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);
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}
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}
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if (file.status === 'uploading') {
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progress = (
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<div className={`${prefixCls}-list-item-progress`}>
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<Progress type="line" {...this.props.progressAttr} percent={file.percent} />
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</div>
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);
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}
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const infoUploadingClass = classNames({
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[`${prefixCls}-list-item`]: true,
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[`${prefixCls}-list-item-${file.status}`]: true,
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});
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return (
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<div className={infoUploadingClass} key={file.uid}>
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<div className={`${prefixCls}-list-item-info`}>
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{icon}
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{
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file.url
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? (
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<a
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href={file.url}
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target="_blank"
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className={`${prefixCls}-list-item-name`}
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onClick={e => this.handlePreview(file, e)}
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>
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{file.name}
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</a>
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) : (
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<span
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className={`${prefixCls}-list-item-name`}
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onClick={e => this.handlePreview(file, e)}
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>
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{file.name}
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</span>
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)
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}
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{
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this.props.listType === 'picture-card' && file.status !== 'uploading'
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? (
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<span>
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<a
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href={file.url}
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target="_blank"
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style={{ pointerEvents: file.url ? '' : 'none' }}
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onClick={e => this.handlePreview(file, e)}
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>
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<Icon type="eye-o" />
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</a>
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<Icon type="delete" onClick={() => this.handleClose(file)} />
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</span>
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) : <Icon type="cross" onClick={() => this.handleClose(file)} />
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}
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</div>
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{progress}
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</div>
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);
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});
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const listClassNames = classNames({
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[`${prefixCls}-list`]: true,
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[`${prefixCls}-list-${this.props.listType}`]: true,
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});
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return (
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<div className={listClassNames}>
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<Animate transitionName={`${prefixCls}-margin-top`}>
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{list}
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</Animate>
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</div>
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);
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}
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}
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