285 lines
7.4 KiB
TypeScript
285 lines
7.4 KiB
TypeScript
/**
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* Collabora Online 相关的自定义 hooks
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*
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* 功能:
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* - useCollaboraConfig: 加载 Collabora 配置(使用 Remix useFetcher)
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* - useDocumentReady: 监听文档加载完成
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* - useCollaboraUnoCommands: UNO 命令封装
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*
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* @encoding UTF-8
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*/
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import { RefObject, useCallback, useEffect, useState, useMemo } from 'react';
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import { useFetcher } from '@remix-run/react';
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import { toastService } from '../ui/Toast';
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import type { CollaboraConfig } from './types';
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import {
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unoSearchText,
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unoReplaceText,
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unoHighlightText,
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unoRemoveHighlight,
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unoEscape,
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unoScrollToTop,
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unoSave,
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} from './Uno';
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import { COLLABORA_URL } from '~/config/api-config';
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// ==================== 1. 配置加载 ====================
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/**
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* 加载 Collabora 配置(使用 Remix useFetcher)
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* @param fileId - 文件路径
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* @param mode - 模式(view 或 edit)
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* @param userId - 用户 ID
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* @param userName - 用户名
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* @returns 配置、加载状态、错误信息
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*/
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export function useCollaboraConfig(
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fileId: string,
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mode: 'view' | 'edit',
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userId: string,
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userName: string
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) {
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const fetcher = useFetcher<CollaboraConfig>();
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const [error, setError] = useState<string | null>(null);
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useEffect(() => {
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if (fetcher.state === 'idle' && !fetcher.data) {
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// 构建查询参数
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const params = new URLSearchParams({
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fileId,
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mode,
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userId,
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userName,
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});
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// 加载配置
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fetcher.load(`/api/collabora/config?${params}`);
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}
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}, [fileId, mode, userId, userName, fetcher]);
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// 检查错误
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useEffect(() => {
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if (fetcher.data && 'error' in fetcher.data) {
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const errorMessage = (fetcher.data as any).error || '加载配置失败';
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setError(errorMessage);
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toastService.error(`加载文档配置失败: ${errorMessage}`);
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}
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}, [fetcher.data]);
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return {
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config: fetcher.data && !('error' in fetcher.data) ? fetcher.data : null,
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loading: fetcher.state === 'loading',
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error,
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};
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}
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// ==================== 2. 文档加载状态监听 ====================
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/**
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* 监听文档加载完成
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* @param iframeRef - iframe 引用
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* @returns 文档加载状态
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*/
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export function useDocumentReady(iframeRef: RefObject<HTMLIFrameElement>) {
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const [isDocumentLoaded, setIsDocumentLoaded] = useState(false);
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useEffect(() => {
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const handleMessage = (event: MessageEvent) => {
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// 验证消息来源
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const collaboraOrigin = new URL(COLLABORA_URL).origin;
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if (event.origin !== collaboraOrigin) {
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return;
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}
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try {
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const msg = typeof event.data === 'string' ? JSON.parse(event.data) : event.data;
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if (msg.MessageId === 'App_LoadingStatus' && msg.Values?.Status === 'Document_Loaded') {
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console.log('[DocumentReady] 文档加载完成');
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setIsDocumentLoaded(true);
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}
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} catch (err) {
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console.warn('[DocumentReady] 解析消息失败:', err);
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}
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};
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window.addEventListener('message', handleMessage);
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return () => {
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window.removeEventListener('message', handleMessage);
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};
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}, [iframeRef]);
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return { isDocumentLoaded };
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}
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// ==================== 3. UNO 命令封装 ====================
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/**
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* UNO 命令封装(React Hook)
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* @param iframeRef - iframe 引用
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* @returns UNO 命令方法集合
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*/
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export function useCollaboraUnoCommands(iframeRef: RefObject<HTMLIFrameElement>) {
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/**
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* 搜索文本(用于定位)
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*/
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const searchText = useCallback(
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async (text: string) => {
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if (!iframeRef.current?.contentWindow) {
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console.warn('[UNO] iframe 不可用');
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return;
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}
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console.log(`[UNO] 搜索文本: "${text}"`);
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unoSearchText(iframeRef.current.contentWindow, text);
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await new Promise((resolve) => setTimeout(resolve, 100));
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},
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[iframeRef]
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);
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/**
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* 定位文本(搜索 + 立即取消选中)
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* 用于"只看不改"的场景,避免蓝色选中背景
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*/
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const locateText = useCallback(
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async (text: string) => {
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if (!iframeRef.current?.contentWindow) {
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console.warn('[UNO] iframe 不可用');
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return;
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}
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console.log(`[UNO] 定位文本(无选中): "${text}"`);
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// 1. 执行搜索(滚动到目标并选中)
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await searchText(text);
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// 2. 等待渲染完成
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await new Promise((resolve) => setTimeout(resolve, 50));
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// 3. 取消选中(去除蓝色背景,保留视图位置)
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unoEscape(iframeRef.current.contentWindow);
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console.log(`[UNO] 定位完成,已取消选中`);
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},
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[searchText, iframeRef]
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);
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/**
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* 替换文本(ReplaceAll)
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*/
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const replaceText = useCallback(
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async (searchText: string, replaceText: string) => {
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if (!iframeRef.current?.contentWindow) {
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console.warn('[UNO] iframe 不可用');
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return;
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}
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console.log(`[UNO] 替换文本: "${searchText}" -> "${replaceText}"`);
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unoReplaceText(iframeRef.current.contentWindow, searchText, replaceText);
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await new Promise((resolve) => setTimeout(resolve, 200));
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},
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[iframeRef]
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);
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/**
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* 高亮文本
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*/
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const highlightText = useCallback(
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async (text: string, color?: number) => {
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if (!iframeRef.current?.contentWindow) {
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console.warn('[UNO] iframe 不可用');
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return;
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}
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console.log(`[UNO] 高亮文本: "${text}"`);
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unoHighlightText(iframeRef.current.contentWindow, text, color);
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await new Promise((resolve) => setTimeout(resolve, 200));
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},
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[iframeRef]
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);
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/**
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* 移除高亮
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*/
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const removeHighlight = useCallback(
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async (text: string) => {
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if (!iframeRef.current?.contentWindow) {
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console.warn('[UNO] iframe 不可用');
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return;
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}
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console.log(`[UNO] 移除高亮: "${text}"`);
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unoRemoveHighlight(iframeRef.current.contentWindow, text);
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await new Promise((resolve) => setTimeout(resolve, 200));
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},
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[iframeRef]
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);
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/**
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* 取消选中(Escape)
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*/
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const escapeSelection = useCallback(async () => {
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if (!iframeRef.current?.contentWindow) {
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console.warn('[UNO] iframe 不可用');
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return;
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}
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console.log('[UNO] 取消选中');
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unoEscape(iframeRef.current.contentWindow);
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await new Promise((resolve) => setTimeout(resolve, 50));
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}, [iframeRef]);
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/**
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* 滚动到文档顶部
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*/
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const scrollToTop = useCallback(async () => {
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if (!iframeRef.current?.contentWindow) {
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console.warn('[UNO] iframe 不可用');
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return;
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}
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console.log('[UNO] 滚动到顶部');
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unoScrollToTop(iframeRef.current.contentWindow);
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await new Promise((resolve) => setTimeout(resolve, 100));
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}, [iframeRef]);
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/**
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* 保存文档
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*/
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const saveDocument = useCallback(async () => {
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if (!iframeRef.current?.contentWindow) {
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console.warn('[UNO] iframe 不可用');
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return;
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}
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console.log('[UNO] 保存文档');
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unoSave(iframeRef.current.contentWindow);
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await new Promise((resolve) => setTimeout(resolve, 1000));
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}, [iframeRef]);
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return useMemo(
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() => ({
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searchText,
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locateText,
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replaceText,
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highlightText,
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removeHighlight,
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escapeSelection,
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scrollToTop,
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saveDocument,
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}),
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[
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searchText,
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locateText,
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replaceText,
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highlightText,
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removeHighlight,
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escapeSelection,
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scrollToTop,
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saveDocument,
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]
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);
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}
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