435 lines
15 KiB
TypeScript
435 lines
15 KiB
TypeScript
"use client";
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import React, { useCallback, useEffect, useMemo, useRef, useState } from "react";
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import { Loader2, RotateCw } from "lucide-react";
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import type { DocumentTable } from "@/types/online-table";
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import {
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DEFAULT_TABLE_COLUMNS,
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DEFAULT_TABLE_ROWS,
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DEFAULT_TABLE_SCHEMA,
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createDefaultTableSnapshot,
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getDocumentTable,
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saveOnlineTable,
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} from "@/lib/online-table";
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import { useLuckysheetLoader } from "@/components/online-table/useLuckysheetLoader";
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import { useDebouncedCallback } from "@/hooks/use-debounced-callback";
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import { extractRowsForPreview } from "@/components/online-table/utils";
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import { supabaseBrowser } from "@/lib/supabase/client";
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type LuckysheetSelection =
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row?: [number, number];
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column?: [number, number];
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row_focus?: number;
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column_focus?: number;
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}
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| undefined;
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const isPrintableKey = (event: KeyboardEvent) => {
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if (event.defaultPrevented) return false;
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if (event.metaKey || event.ctrlKey || event.altKey) return false;
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if (event.key === "Enter" || event.key === "Tab" || event.key === "Escape") return false;
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if (event.key.length === 1) return true;
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return event.key === "Process" || event.key === "Unidentified";
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};
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const isInlineEditorVisible = () => {
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const inputBox = document.getElementById("luckysheet-input-box");
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if (!inputBox) {
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return false;
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}
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const style = window.getComputedStyle(inputBox);
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return style.top !== "-10000px" && style.display !== "none";
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};
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interface HeadlessTableViewerProps {
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tableId: string;
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embed?: boolean;
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editable?: boolean;
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}
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const VIEWER_CONTAINER_PREFIX = "headless-table-viewer-";
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const HeadlessTableViewer: React.FC<HeadlessTableViewerProps> = ({ tableId, embed = false, editable }) => {
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const containerId = useMemo(() => `${VIEWER_CONTAINER_PREFIX}${tableId}`, [tableId]);
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const containerRef = useRef<HTMLDivElement>(null);
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const isLuckysheetReady = useLuckysheetLoader();
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const [table, setTable] = useState<DocumentTable | null>(null);
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const [isLoading, setIsLoading] = useState(true);
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const [error, setError] = useState<string | null>(null);
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const [reloadVersion, setReloadVersion] = useState(0);
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const [isSaving, setIsSaving] = useState(false);
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const [saveError, setSaveError] = useState<string | null>(null);
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const [showSavingHint, setShowSavingHint] = useState(false);
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const savingHintTimerRef = useRef<number | null>(null);
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const lastRemoteSyncedAtRef = useRef<string | null>(null);
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const lastSnapshotHashRef = useRef<string | null>(null);
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const computeSnapshotHash = useCallback((snapshot: unknown) => {
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try {
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return JSON.stringify(snapshot ?? {});
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} catch {
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return null;
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}
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}, []);
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const startSavingHint = useCallback(() => {
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if (savingHintTimerRef.current !== null) return;
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savingHintTimerRef.current = window.setTimeout(() => {
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setShowSavingHint(true);
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}, 700);
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}, []);
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const stopSavingHint = useCallback(() => {
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if (savingHintTimerRef.current !== null) {
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clearTimeout(savingHintTimerRef.current);
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savingHintTimerRef.current = null;
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}
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setShowSavingHint(false);
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}, []);
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useEffect(() => {
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let canceled = false;
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setIsLoading(true);
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setError(null);
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getDocumentTable(tableId)
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.then((data) => {
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if (!canceled) {
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lastSnapshotHashRef.current = computeSnapshotHash(data.snapshot);
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if ((data as { last_synced_at?: string }).last_synced_at) {
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lastRemoteSyncedAtRef.current = (data as { last_synced_at?: string }).last_synced_at ?? null;
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}
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setTable(data);
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}
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})
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.catch((err) => {
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console.error("加载表格失败", err);
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if (!canceled) {
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setTable(null);
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setError("无法加载表格数据");
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}
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})
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.finally(() => {
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if (!canceled) {
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setIsLoading(false);
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}
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});
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return () => {
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canceled = true;
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};
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}, [tableId, reloadVersion]);
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const allowInlineEdit = editable ?? embed;
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const focusLuckysheetEditor = useCallback(() => {
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const applyFocus = () => {
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const editor = document.getElementById("luckysheet-rich-text-editor");
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if (editor && typeof editor.focus === "function") {
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editor.focus();
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const selection = window.getSelection();
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if (selection && editor.childNodes.length > 0) {
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const range = document.createRange();
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range.selectNodeContents(editor);
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range.collapse(false);
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selection.removeAllRanges();
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selection.addRange(range);
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}
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}
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};
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requestAnimationFrame(() => {
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applyFocus();
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setTimeout(applyFocus, 0);
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});
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}, []);
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const isSingleCellSelection = useCallback((range: LuckysheetSelection[] | undefined) => {
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if (!Array.isArray(range) || range.length !== 1) return false;
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const target = range[0];
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if (!target) {
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return false;
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}
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const rowRange = target.row ?? (typeof target.row_focus === "number" ? [target.row_focus, target.row_focus] : undefined);
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const columnRange = target.column ?? (typeof target.column_focus === "number" ? [target.column_focus, target.column_focus] : undefined);
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if (!rowRange || !columnRange) {
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return false;
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}
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return rowRange[0] === rowRange[1] && columnRange[0] === columnRange[1];
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}, []);
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const tryEnterInlineEdit = useCallback(() => {
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if (!allowInlineEdit) {
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return false;
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}
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const luckysheetInstance = window.luckysheet;
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if (!luckysheetInstance || typeof luckysheetInstance.enterEditMode !== "function") {
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return false;
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}
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const selection = luckysheetInstance.getluckysheet_select_save?.();
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const normalized = Array.isArray(selection)
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? (selection as LuckysheetSelection[])
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: selection
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? [selection as LuckysheetSelection]
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: undefined;
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if (!isSingleCellSelection(normalized)) {
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return false;
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}
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setTimeout(() => {
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const editor = document.getElementById("luckysheet-rich-text-editor");
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if (editor && document.activeElement === editor && isInlineEditorVisible()) {
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return;
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}
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luckysheetInstance.enterEditMode();
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focusLuckysheetEditor();
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}, 0);
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return true;
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}, [allowInlineEdit, focusLuckysheetEditor, isSingleCellSelection]);
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const persistSnapshot = useCallback(async () => {
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if (!allowInlineEdit || !table || !window.luckysheet || typeof window.luckysheet.getluckysheetfile !== "function") {
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return;
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}
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startSavingHint();
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setIsSaving(true);
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setSaveError(null);
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try {
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const luckysheetData = window.luckysheet.getluckysheetfile?.() ?? [];
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const rows = extractRowsForPreview(
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luckysheetData,
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(table.schema?.columns ?? []).map((item) => ({ id: item.id })),
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).filter((row) => row && typeof row === "object" && Object.keys(row).length > 0);
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const snapshot = {
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...(table.snapshot ?? {}),
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rows,
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luckysheet: Array.isArray(luckysheetData) ? luckysheetData : table.snapshot?.luckysheet ?? [],
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};
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lastSnapshotHashRef.current = computeSnapshotHash(snapshot);
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await saveOnlineTable(tableId, {
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snapshot,
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rows,
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schema: table.schema,
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});
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window.dispatchEvent(new CustomEvent("online-table-saved", { detail: { tableId } }));
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} catch (err) {
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console.error("内嵌表格保存失败", err);
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setSaveError("自动保存失败");
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} finally {
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stopSavingHint();
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setIsSaving(false);
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}
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}, [allowInlineEdit, startSavingHint, stopSavingHint, table, tableId]);
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const debouncedPersist = useDebouncedCallback(() => {
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void persistSnapshot();
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}, 1200);
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useEffect(() => {
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return () => {
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debouncedPersist.cancel();
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stopSavingHint();
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};
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}, [debouncedPersist, stopSavingHint]);
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useEffect(() => {
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if (!tableId) return;
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const channel = supabaseBrowser
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.channel(`table-${tableId}-live`)
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.on(
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"postgres_changes",
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{ event: "UPDATE", schema: "public", table: "document_tables", filter: `id=eq.${tableId}` },
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(payload) => {
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const next = payload.new as DocumentTable | null;
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if (!next) return;
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const nextSynced = (next as { last_synced_at?: string }).last_synced_at ?? null;
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if (nextSynced && lastRemoteSyncedAtRef.current && nextSynced <= lastRemoteSyncedAtRef.current) {
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return;
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}
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lastRemoteSyncedAtRef.current = nextSynced;
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const nextHash = computeSnapshotHash(next.snapshot);
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const currentHash = lastSnapshotHashRef.current;
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if (nextHash && currentHash && nextHash === currentHash) {
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return; // 相同快照无需重建，避免闪烁
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}
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lastSnapshotHashRef.current = nextHash;
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setTable(next);
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},
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)
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.subscribe();
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return () => {
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supabaseBrowser.removeChannel(channel);
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};
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}, [tableId]);
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useEffect(() => {
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if (!isLuckysheetReady || !table || !containerRef.current || !window.luckysheet) {
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return;
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}
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if (typeof window.luckysheet.destroy === "function") {
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window.luckysheet.destroy(containerId);
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}
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containerRef.current.innerHTML = "";
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const sheets =
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(table.snapshot?.luckysheet && Array.isArray(table.snapshot.luckysheet) && table.snapshot.luckysheet.length > 0)
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? table.snapshot.luckysheet
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: (createDefaultTableSnapshot(table.schema ?? DEFAULT_TABLE_SCHEMA).luckysheet ?? []);
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window.luckysheet.create({
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container: containerId,
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title: table.title ?? tableId,
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lang: "zh",
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showinfobar: false,
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showtoolbar: false,
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showsheetbar: sheets.length > 1,
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showstatisticBar: false,
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allowEdit: allowInlineEdit,
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allowUpdate: false,
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enableAddBackTop: false,
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enableAddRow: false,
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row: DEFAULT_TABLE_ROWS,
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column: DEFAULT_TABLE_COLUMNS,
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data: sheets,
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pointEdit: allowInlineEdit,
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pointEditZoom: window.devicePixelRatio ?? 1,
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pointEditUpdate: allowInlineEdit
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? () => {
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debouncedPersist();
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}
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: undefined,
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hook: allowInlineEdit
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? {
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updated: () => {
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debouncedPersist();
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},
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}
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: undefined,
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});
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return () => {
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if (window.luckysheet && typeof window.luckysheet.destroy === "function") {
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window.luckysheet.destroy(containerId);
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}
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};
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}, [allowInlineEdit, containerId, debouncedPersist, isLuckysheetReady, table, tableId]);
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useEffect(() => {
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if (!allowInlineEdit || !isLuckysheetReady) {
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return;
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}
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const container = document.getElementById(containerId);
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if (!container) {
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return;
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}
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const handlePointerUp = (event: PointerEvent | MouseEvent | TouchEvent) => {
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const target = event.target instanceof Node ? event.target : null;
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if (target && !container.contains(target)) {
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return;
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}
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tryEnterInlineEdit();
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};
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const events: Array<keyof DocumentEventMap> = ["pointerup", "mouseup", "touchend"];
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events.forEach((eventName) => container.addEventListener(eventName, handlePointerUp, true));
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return () => {
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events.forEach((eventName) => container.removeEventListener(eventName, handlePointerUp, true));
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};
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}, [allowInlineEdit, containerId, isLuckysheetReady, tryEnterInlineEdit]);
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useEffect(() => {
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if (!allowInlineEdit || !isLuckysheetReady) {
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return;
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}
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const handleKeydown = (event: KeyboardEvent) => {
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if (!isPrintableKey(event)) {
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return;
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}
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tryEnterInlineEdit();
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};
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const handleCompositionStart = () => {
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tryEnterInlineEdit();
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};
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window.addEventListener("keydown", handleKeydown, true);
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window.addEventListener("compositionstart", handleCompositionStart, true);
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return () => {
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window.removeEventListener("keydown", handleKeydown, true);
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window.removeEventListener("compositionstart", handleCompositionStart, true);
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};
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}, [allowInlineEdit, isLuckysheetReady, tryEnterInlineEdit]);
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const overlayVisible = isLoading || !isLuckysheetReady;
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const overlayText = !isLuckysheetReady ? "正在加载 Luckysheet 资源..." : "正在加载表格数据...";
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const embedContainerStyle = embed
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? { height: "360px", minHeight: "360px", width: "100%", overflow: "hidden" as const }
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: undefined;
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useEffect(() => {
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if (!embed) return;
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const prevDocOverflow = document.documentElement.style.overflow;
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const prevBodyOverflow = document.body.style.overflow;
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document.documentElement.style.overflow = "hidden";
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document.body.style.overflow = "hidden";
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return () => {
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document.documentElement.style.overflow = prevDocOverflow;
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document.body.style.overflow = prevBodyOverflow;
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};
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}, [embed]);
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return (
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<div
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className={
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embed ? "h-full w-full bg-transparent overflow-hidden" : "min-h-screen w-full bg-white"
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}
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style={embedContainerStyle}
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>
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<div
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className={
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embed ? "relative h-full w-full overflow-hidden" : "relative h-[calc(100vh-64px)] w-full"
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}
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style={embedContainerStyle}
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>
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<div
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id={containerId}
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ref={containerRef}
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className="h-full w-full"
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style={{ display: isLuckysheetReady && !!table && !error ? "block" : "none" }}
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/>
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{overlayVisible && (
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<div className="absolute inset-0 flex flex-col items-center justify-center gap-3 bg-white/90">
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<Loader2 className="h-6 w-6 animate-spin text-gray-500" />
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<span className="text-sm text-gray-500">{overlayText}</span>
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</div>
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)}
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{error && !overlayVisible && (
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<div className="absolute inset-0 flex flex-col items-center justify-center gap-3 bg-white/95 text-red-500">
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<span className="text-sm">{error}</span>
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<button
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type="button"
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className="flex items-center gap-2 rounded-md border border-red-300 px-3 py-1 text-sm"
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onClick={() => setReloadVersion((value) => value + 1)}
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>
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<RotateCw className="h-4 w-4" />
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重试
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</button>
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</div>
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)}
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{allowInlineEdit && ((isSaving && showSavingHint) || saveError) && (
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<div className="pointer-events-none absolute bottom-2 right-3 flex flex-col items-end text-xs">
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{isSaving && showSavingHint && (
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<span className="rounded-md bg-white/80 px-2 py-0.5 text-gray-500 shadow">同步中...</span>
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)}
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{saveError && <span className="mt-1 rounded-md bg-white/80 px-2 py-0.5 text-red-500 shadow">{saveError}</span>}
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</div>
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)}
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</div>
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</div>
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);
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};
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export default HeadlessTableViewer;
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