链接支持网址/文字与站内搜索,新标签由全站设置控制;文章与评论共用已上传图片选择器。 Co-authored-by: Cursor <cursoragent@cursor.com>
352 lines
11 KiB
TypeScript
352 lines
11 KiB
TypeScript
import { useCallback, useEffect, useRef, useState, type DragEvent } from 'react';
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import {
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Dialog,
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DialogContent,
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DialogDescription,
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DialogFooter,
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DialogHeader,
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DialogTitle,
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} from '@/components/ui/dialog';
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import { Input } from '@/components/ui/input';
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import { Button } from '@/components/ui/button';
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import { notify } from '@/lib/notify';
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import { api } from '@/api/client';
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import type { MediaItem } from '@/api/types';
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import { toPostImageThumbSrc } from '@/utils/postContent';
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import { Upload, Link2, Images, Loader2 } from 'lucide-react';
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export type ImagePickerTarget = 'rich' | 'markdown';
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type PickerTab = 'upload' | 'link' | 'gallery';
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interface Props {
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open: boolean;
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onOpenChange: (open: boolean) => void;
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/** 上传或选中后插入一张或多张图片 URL */
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onInsert: (urls: string[]) => void;
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}
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/** 校验可插入的图片地址:外链或站内绝对路径 */
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export function isValidImageSrc(url: string): boolean {
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const u = url.trim();
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if (!u) return false;
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if (u.startsWith('/') && !u.startsWith('//')) return true;
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try {
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const parsed = new URL(u);
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return parsed.protocol === 'http:' || parsed.protocol === 'https:';
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} catch {
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return false;
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}
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}
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const ACCEPT = 'image/jpeg,image/png,image/gif,image/webp';
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const PAGE_SIZE = 24;
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/** 文章编辑器:统一图片插入(上传 / 链接 / 我的图片) */
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export function ArticleImagePickerDialog({
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open,
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onOpenChange,
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onInsert,
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}: Props) {
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const [tab, setTab] = useState<PickerTab>('upload');
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const [url, setUrl] = useState('');
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const [uploading, setUploading] = useState(false);
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const [dragOver, setDragOver] = useState(false);
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const fileInputRef = useRef<HTMLInputElement>(null);
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const [gallery, setGallery] = useState<MediaItem[]>([]);
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const [galleryPage, setGalleryPage] = useState(1);
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const [galleryTotalPages, setGalleryTotalPages] = useState(1);
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const [galleryLoading, setGalleryLoading] = useState(false);
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const [galleryLoaded, setGalleryLoaded] = useState(false);
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const [selected, setSelected] = useState<Set<string>>(new Set());
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const resetState = useCallback(() => {
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setTab('upload');
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setUrl('');
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setUploading(false);
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setDragOver(false);
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setGallery([]);
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setGalleryPage(1);
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setGalleryTotalPages(1);
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setGalleryLoading(false);
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setGalleryLoaded(false);
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setSelected(new Set());
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}, []);
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useEffect(() => {
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if (open) resetState();
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}, [open, resetState]);
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const handleOpenChange = (next: boolean) => {
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if (!next) resetState();
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onOpenChange(next);
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};
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const finishInsert = (urls: string[]) => {
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if (!urls.length) return;
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onInsert(urls);
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handleOpenChange(false);
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};
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const uploadFiles = async (files: File[]) => {
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const images = files.filter(f => f.type.startsWith('image/'));
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if (!images.length) {
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notify.warning('请选择图片文件(jpeg / png / gif / webp)');
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return;
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}
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setUploading(true);
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const urls: string[] = [];
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try {
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for (const file of images) {
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try {
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const { url: uploaded } = await api.uploadPostImage(file);
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urls.push(uploaded);
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} catch (e: unknown) {
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notify.error(e instanceof Error ? e.message : '图片上传失败');
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}
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}
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if (urls.length) finishInsert(urls);
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} finally {
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setUploading(false);
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}
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};
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const onFileChange = (list: FileList | null) => {
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if (!list?.length) return;
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void uploadFiles([...list]);
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};
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const onDrop = (e: DragEvent) => {
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e.preventDefault();
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setDragOver(false);
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if (uploading) return;
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void uploadFiles([...e.dataTransfer.files]);
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};
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const handleLinkInsert = () => {
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const next = url.trim();
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if (!next) {
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notify.warning('请输入图片地址');
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return;
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}
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if (!isValidImageSrc(next)) {
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notify.warning('请使用 http(s) 外链或本站以 / 开头的路径');
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return;
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}
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finishInsert([next]);
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};
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const loadGallery = useCallback(async (page: number, append: boolean) => {
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setGalleryLoading(true);
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try {
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const res = await api.myPostImages({ page, size: PAGE_SIZE });
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setGallery(prev => (append ? [...prev, ...res.files] : res.files));
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setGalleryPage(res.page);
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setGalleryTotalPages(res.total_pages);
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setGalleryLoaded(true);
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} catch (e: unknown) {
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notify.error(e instanceof Error ? e.message : '加载图片失败');
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setGalleryLoaded(true);
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} finally {
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setGalleryLoading(false);
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}
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}, []);
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useEffect(() => {
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if (open && tab === 'gallery' && !galleryLoaded && !galleryLoading) {
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void loadGallery(1, false);
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}
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}, [open, tab, galleryLoaded, galleryLoading, loadGallery]);
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const toggleSelect = (itemUrl: string) => {
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setSelected(prev => {
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const next = new Set(prev);
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if (next.has(itemUrl)) next.delete(itemUrl);
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else next.add(itemUrl);
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return next;
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});
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};
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const handleGalleryInsert = () => {
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if (!selected.size) {
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notify.warning('请先选择图片');
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return;
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}
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// 保持网格出现顺序
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const urls = gallery.filter(f => selected.has(f.url)).map(f => f.url);
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finishInsert(urls);
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};
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const tabs: { id: PickerTab; label: string; icon: typeof Upload }[] = [
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{ id: 'upload', label: '上传', icon: Upload },
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{ id: 'link', label: '链接', icon: Link2 },
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{ id: 'gallery', label: '我的图片', icon: Images },
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];
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return (
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<Dialog open={open} onOpenChange={handleOpenChange}>
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<DialogContent className="article-image-picker">
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<DialogHeader>
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<DialogTitle>插入图片</DialogTitle>
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<DialogDescription>
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上传本地文件、粘贴链接,或从已上传图库中选择。
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</DialogDescription>
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</DialogHeader>
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<div className="article-image-picker__tabs" role="tablist">
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{tabs.map(t => {
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const Icon = t.icon;
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return (
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<button
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key={t.id}
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type="button"
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role="tab"
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aria-selected={tab === t.id}
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className={`article-image-picker__tab${tab === t.id ? ' is-active' : ''}`}
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onClick={() => setTab(t.id)}
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disabled={uploading}
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>
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<Icon size={14} aria-hidden />
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{t.label}
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</button>
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);
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})}
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</div>
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{tab === 'upload' && (
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<div className="article-image-picker__panel">
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<div
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className={`article-image-picker__drop${dragOver ? ' is-dragover' : ''}${uploading ? ' is-busy' : ''}`}
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onDragOver={e => {
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e.preventDefault();
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if (!uploading) setDragOver(true);
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}}
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onDragLeave={() => setDragOver(false)}
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onDrop={onDrop}
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onClick={() => !uploading && fileInputRef.current?.click()}
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role="button"
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tabIndex={0}
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onKeyDown={e => {
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if (e.key === 'Enter' || e.key === ' ') {
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e.preventDefault();
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fileInputRef.current?.click();
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}
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}}
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>
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{uploading ? (
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<>
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<Loader2 size={28} className="article-image-picker__spin" />
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<p>正在上传…</p>
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</>
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) : (
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<>
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<Upload size={28} />
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<p>拖拽图片到此处,或点击选择文件</p>
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<span>支持 jpeg / png / gif / webp;多选将并排成图组</span>
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</>
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)}
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</div>
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<input
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ref={fileInputRef}
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type="file"
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accept={ACCEPT}
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multiple
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className="sr-only"
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onChange={e => {
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onFileChange(e.target.files);
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e.target.value = '';
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}}
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/>
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</div>
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)}
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{tab === 'link' && (
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<div className="article-image-picker__panel">
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<Input
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type="url"
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value={url}
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placeholder="https://… 或 /uploads/posts/…"
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onChange={e => setUrl(e.target.value)}
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onKeyDown={e => {
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if (e.key === 'Enter') {
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e.preventDefault();
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handleLinkInsert();
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}
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}}
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autoFocus
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/>
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<p className="article-image-picker__hint">
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粘贴外链或本站已上传地址,无需重复上传。
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</p>
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<DialogFooter className="article-image-picker__footer">
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<Button type="button" variant="outline" onClick={() => handleOpenChange(false)}>
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取消
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</Button>
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<Button type="button" onClick={handleLinkInsert}>
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插入
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</Button>
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</DialogFooter>
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</div>
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)}
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{tab === 'gallery' && (
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<div className="article-image-picker__panel">
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{galleryLoading && !gallery.length ? (
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<div className="article-image-picker__empty">
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<Loader2 size={22} className="article-image-picker__spin" />
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<span>加载中…</span>
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</div>
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) : !gallery.length ? (
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<div className="article-image-picker__empty">暂无上传记录</div>
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) : (
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<>
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<div className="article-image-picker__grid">
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{gallery.map(item => {
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const thumb = toPostImageThumbSrc(item.url) || item.url;
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const isSel = selected.has(item.url);
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return (
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<button
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key={item.url}
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type="button"
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className={`article-image-picker__thumb${isSel ? ' is-selected' : ''}`}
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title={item.name}
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onClick={() => toggleSelect(item.url)}
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>
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<img src={thumb} alt={item.name} loading="lazy" />
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</button>
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);
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})}
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</div>
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{galleryPage < galleryTotalPages && (
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<div className="article-image-picker__more">
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<Button
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type="button"
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variant="outline"
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size="sm"
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disabled={galleryLoading}
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onClick={() => void loadGallery(galleryPage + 1, true)}
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>
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{galleryLoading ? '加载中…' : '加载更多'}
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</Button>
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</div>
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)}
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</>
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)}
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<DialogFooter className="article-image-picker__footer">
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<span className="article-image-picker__selected-count">
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已选 {selected.size}
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</span>
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<Button type="button" variant="outline" onClick={() => handleOpenChange(false)}>
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取消
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</Button>
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<Button type="button" disabled={!selected.size} onClick={handleGalleryInsert}>
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插入选中
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</Button>
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</DialogFooter>
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</div>
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)}
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</DialogContent>
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</Dialog>
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);
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}
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