1287 lines
34 KiB
TypeScript
1287 lines
34 KiB
TypeScript
import React, { useCallback, useEffect, useState } from 'react';
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import Layout from './components/Layout';
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import FileLoader from './components/FileLoader';
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import ReorderPanel from './components/ReorderPanel';
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import ActionsPanel from './components/ActionsPanel';
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import PagePreviewModal from './components/PagePreviewModal';
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import WorkspacePanel from './components/WorkspacePanel';
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import ActionDialog, {
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type ActionDialogAction,
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} from './components/ActionDialog';
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import HelpDialog from './components/HelpDialog';
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import { PDFDocument } from 'pdf-lib';
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import type {
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StoredWorkspace,
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WorkspaceSummary,
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} from './workspace/workspaceTypes';
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import {
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createInitialPageRefs,
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createPageRefId,
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createPdfId,
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createWorkspaceId,
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defaultWorkspaceNameFromPdfName,
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normalizeRotation,
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useWorkspaceState,
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} from './workspace/useWorkspaceState';
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import {
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deleteWorkspaceFromIndexedDb,
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listWorkspaces,
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loadWorkspaceFromIndexedDb,
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saveWorkspaceToIndexedDb,
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} from './workspace/workspaceDb';
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import type { PageRef, PdfFile } from './pdf/pdfTypes';
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import {
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loadPdfFromFile,
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mergePdfFiles,
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splitIntoSinglePages,
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exportPages,
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} from './pdf/pdfService';
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import { usePdfThumbnails } from './pdf/usePdfThumbnails';
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import { usePdfGeneratedOutputs } from './hooks/usePdfGeneratedOutputs';
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import {
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createSelectionPdfName,
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createSelectionWorkspaceName,
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getSelectedPagesInVisualOrder,
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} from './workspace/workspaceSelection';
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function isEditableKeyboardTarget(target: EventTarget | null): boolean {
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if (!(target instanceof HTMLElement)) return false;
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const tagName = target.tagName.toLowerCase();
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return (
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target.isContentEditable ||
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tagName === 'input' ||
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tagName === 'textarea' ||
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tagName === 'select'
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);
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}
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const App: React.FC = () => {
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const [actionDialog, setActionDialog] = useState<{
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title: string;
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content: React.ReactNode;
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actions: ActionDialogAction[];
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} | null>(null);
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const [helpOpen, setHelpOpen] = useState(false);
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const [pdf, setPdf] = useState<PdfFile | null>(null);
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const [isBusy, setIsBusy] = useState(false);
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const [error, setError] = useState<string | null>(null);
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const [workspaces, setWorkspaces] = useState<WorkspaceSummary[]>([]);
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const [activeWorkspaceId, setActiveWorkspaceId] = useState<string | null>(
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null
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);
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const [workspaceName, setWorkspaceName] = useState('');
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const [previewPageId, setPreviewPageId] = useState<string | null>(null);
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const [pendingFile, setPendingFile] = useState<File | null>(null);
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const [showMergeOptions, setShowMergeOptions] = useState(false);
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const [mergeMode, setMergeMode] = useState<
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'overwrite' | 'append' | 'insertAt'
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>('append');
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const [mergeInsertAt, setMergeInsertAt] = useState<string>('');
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const {
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splitDownloads,
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subsetDownload,
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exportDownload,
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replaceSplitResults,
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replaceSubsetResult,
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replaceExportResult,
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clearAllResults: clearGeneratedOutputs,
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} = usePdfGeneratedOutputs();
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const handleWorkspaceContentChanged = useCallback(() => {
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clearGeneratedOutputs();
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}, [clearGeneratedOutputs]);
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const {
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pages,
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selectedPageIds,
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setSelectedPageIds,
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lastSelectedVisualIndex,
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setLastSelectedVisualIndex,
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workspaceDirty,
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setWorkspaceDirty,
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workspaceMessage,
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setWorkspaceMessage,
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workspaceHistory,
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redoHistory,
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getCurrentCommandState,
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createWorkspaceCommand,
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executeWorkspaceCommand,
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handleUndo,
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handleRedo,
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replaceWorkspaceState,
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resetWorkspaceState: resetWorkspaceCommandState,
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} = useWorkspaceState({ onContentChanged: handleWorkspaceContentChanged });
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const handleThumbnailError = useCallback(
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(message: string, thrown: unknown) => {
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console.error(thrown);
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setError(message);
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},
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[]
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);
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const { thumbnails: reorderThumbnails, clearThumbnailCache } =
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usePdfThumbnails({
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pdf,
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pages,
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onError: handleThumbnailError,
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});
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const closeActionDialog = useCallback(() => {
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setActionDialog(null);
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}, []);
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const openActionDialog = useCallback(
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(dialog: {
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title: string;
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content: React.ReactNode;
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actions: ActionDialogAction[];
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}) => {
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setActionDialog(dialog);
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},
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[]
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);
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const refreshWorkspaces = async () => {
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try {
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const summaries = await listWorkspaces();
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setWorkspaces(summaries);
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} catch (e) {
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console.error(e);
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setError('Failed to read saved workspaces from browser storage.');
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}
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};
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useEffect(() => {
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void refreshWorkspaces();
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}, []);
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const resetWorkspaceState = () => {
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setPdf(null);
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setActiveWorkspaceId(null);
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setWorkspaceName('');
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resetWorkspaceCommandState();
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clearGeneratedOutputs();
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clearThumbnailCache();
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setPreviewPageId(null);
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};
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const handleSaveWorkspace = async (): Promise<boolean> => {
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if (!pdf || pages.length === 0) return false;
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setError(null);
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const now = new Date().toISOString();
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const name =
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workspaceName.trim() || defaultWorkspaceNameFromPdfName(pdf.name);
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const workspaceId = activeWorkspaceId ?? createWorkspaceId();
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const existing = workspaces.find(
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(workspace) => workspace.id === workspaceId
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);
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const workspace: StoredWorkspace = {
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schemaVersion: 1,
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id: workspaceId,
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name,
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createdAt: existing?.createdAt ?? now,
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updatedAt: now,
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pdfId: pdf.id,
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pdfName: pdf.name,
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sourcePageCount: pdf.pageCount,
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pages,
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selectedPageIds,
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history: workspaceHistory,
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redoHistory,
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};
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setIsBusy(true);
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try {
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await saveWorkspaceToIndexedDb({
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workspace,
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pdfArrayBuffer: pdf.arrayBuffer,
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});
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setActiveWorkspaceId(workspaceId);
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setWorkspaceName(name);
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setWorkspaceDirty(false);
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setWorkspaceMessage(`Workspace "${name}" saved.`);
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await refreshWorkspaces();
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return true;
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} catch (e) {
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console.error(e);
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setError(
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'Failed to save workspace. The browser storage quota may be full.'
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);
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return false;
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} finally {
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setIsBusy(false);
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}
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};
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const performResetWorkspace = () => {
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resetWorkspaceState();
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};
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const handleResetWorkspace = () => {
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if (!pdf) return;
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if (!workspaceDirty) {
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performResetWorkspace();
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return;
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}
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openActionDialog({
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title: 'Reset workspace?',
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content: (
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<>
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<p style={{ marginTop: 0 }}>This workspace has unsaved changes.</p>
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<p style={{ marginBottom: 0 }}>
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Do you want to save it before resetting?
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</p>
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</>
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),
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actions: [
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{
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label: 'Cancel',
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variant: 'secondary',
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onClick: closeActionDialog,
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},
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{
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label: 'Reset without saving',
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variant: 'danger',
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onClick: () => {
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closeActionDialog();
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performResetWorkspace();
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},
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},
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{
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label: 'Save and reset',
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variant: 'primary',
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autoFocus: true,
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onClick: async () => {
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closeActionDialog();
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const saved = await handleSaveWorkspace();
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if (saved) {
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performResetWorkspace();
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}
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},
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},
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],
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});
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};
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const handleLoadWorkspace = async (workspaceId: string) => {
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setError(null);
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setIsBusy(true);
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try {
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const loaded = await loadWorkspaceFromIndexedDb(workspaceId);
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if (!loaded) {
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setError('Workspace not found.');
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await refreshWorkspaces();
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return;
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}
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clearGeneratedOutputs();
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const doc = await PDFDocument.load(loaded.pdfArrayBuffer);
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const loadedPdf: PdfFile = {
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id: loaded.workspace.pdfId,
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name: loaded.workspace.pdfName,
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pageCount: doc.getPageCount(),
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arrayBuffer: loaded.pdfArrayBuffer,
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doc,
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};
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setPdf(loadedPdf);
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replaceWorkspaceState({
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pages: loaded.workspace.pages,
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selectedPageIds: loaded.workspace.selectedPageIds ?? [],
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lastSelectedVisualIndex: null,
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history: loaded.workspace.history ?? [],
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redoHistory: loaded.workspace.redoHistory ?? [],
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dirty: false,
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message: `Workspace "${loaded.workspace.name}" loaded.`,
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});
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setPreviewPageId(null);
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clearThumbnailCache();
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setActiveWorkspaceId(loaded.workspace.id);
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setWorkspaceName(loaded.workspace.name);
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} catch (e) {
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console.error(e);
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setError('Failed to load workspace from browser storage.');
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} finally {
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setIsBusy(false);
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}
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};
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const handleDeleteWorkspace = (workspaceId: string) => {
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const workspace = workspaces.find((item) => item.id === workspaceId);
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const name = workspace?.name ?? 'this workspace';
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openActionDialog({
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title: 'Delete workspace?',
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content: (
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<>
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<p style={{ marginTop: 0 }}>
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Delete the saved workspace <strong>{name}</strong> from this
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browser?
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</p>
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<p style={{ marginBottom: 0 }}>
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The currently open in-memory document will not be closed, but the
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saved workspace entry will be removed.
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</p>
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</>
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),
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actions: [
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{
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label: 'Cancel',
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variant: 'secondary',
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onClick: closeActionDialog,
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},
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{
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label: 'Delete workspace',
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variant: 'danger',
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autoFocus: true,
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onClick: () => {
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closeActionDialog();
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void performDeleteWorkspace(workspaceId);
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},
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},
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],
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});
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};
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const performDeleteWorkspace = async (workspaceId: string) => {
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setError(null);
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try {
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await deleteWorkspaceFromIndexedDb(workspaceId);
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if (activeWorkspaceId === workspaceId) {
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setActiveWorkspaceId(null);
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setWorkspaceDirty(true);
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setWorkspaceMessage(
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'Saved workspace deleted. Current in-memory document remains open.'
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);
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}
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await refreshWorkspaces();
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} catch (e) {
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console.error(e);
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setError('Failed to delete workspace.');
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}
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};
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const loadFileAsNew = async (file: File) => {
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setError(null);
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resetWorkspaceState();
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setIsBusy(true);
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try {
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const loaded = await loadPdfFromFile(file);
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const initialPages = createInitialPageRefs(loaded.pageCount);
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setPdf(loaded);
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replaceWorkspaceState({
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pages: initialPages,
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selectedPageIds: [],
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lastSelectedVisualIndex: null,
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history: [],
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redoHistory: [],
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dirty: true,
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message: null,
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});
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setWorkspaceName(defaultWorkspaceNameFromPdfName(loaded.name));
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} catch (e) {
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console.error(e);
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setError('Failed to load PDF (see console).');
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} finally {
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setIsBusy(false);
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}
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};
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const handleFileLoaded = (file: File) => {
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if (!pdf || pages.length === 0) {
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void loadFileAsNew(file);
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} else {
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setPendingFile(file);
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setShowMergeOptions(true);
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setMergeMode('append');
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setMergeInsertAt(String(pages.length + 1));
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}
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};
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const handleMergeCancel = () => {
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setPendingFile(null);
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setShowMergeOptions(false);
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};
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const handleMergeConfirm = async () => {
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if (!pendingFile) return;
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if (!pdf || mergeMode === 'overwrite') {
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await loadFileAsNew(pendingFile);
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setPendingFile(null);
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setShowMergeOptions(false);
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return;
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}
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setError(null);
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setIsBusy(true);
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try {
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// 1) Materialize the current in-memory workspace (page refs + rotations)
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const currentBlob = await exportPages(pdf, pages);
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const currentArrayBuffer = await currentBlob.arrayBuffer();
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const currentDoc = await PDFDocument.load(currentArrayBuffer);
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const currentPdf: PdfFile = {
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id: pdf.id,
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name: pdf.name,
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doc: currentDoc,
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arrayBuffer: currentArrayBuffer,
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pageCount: pages.length,
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};
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// 2) Load the new PDF
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const newPdf = await loadPdfFromFile(pendingFile);
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// 3) Determine insert position (0-based)
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let insertAt = pages.length; // default: append at end
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if (mergeMode === 'insertAt') {
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const parsed = parseInt(mergeInsertAt, 10);
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if (Number.isFinite(parsed)) {
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insertAt = Math.min(Math.max(parsed - 1, 0), pages.length);
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}
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} else if (mergeMode === 'append') {
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insertAt = pages.length;
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}
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// 4) Merge
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const mergedPdf = await mergePdfFiles(currentPdf, newPdf, insertAt);
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const mergedPages = createInitialPageRefs(mergedPdf.pageCount);
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// 5) Reset state to the merged document
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setPdf(mergedPdf);
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replaceWorkspaceState({
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pages: mergedPages,
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selectedPageIds: [],
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lastSelectedVisualIndex: null,
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history: [],
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redoHistory: [],
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dirty: true,
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message: null,
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});
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clearGeneratedOutputs();
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clearThumbnailCache();
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setPreviewPageId(null);
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setWorkspaceName(defaultWorkspaceNameFromPdfName(mergedPdf.name));
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setActiveWorkspaceId(null);
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} catch (e) {
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console.error(e);
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setError('Failed to merge PDF (see console).');
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} finally {
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setIsBusy(false);
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setPendingFile(null);
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setShowMergeOptions(false);
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}
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};
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|
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useEffect(() => {
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if (
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previewPageId != null &&
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!pages.some((page) => page.id === previewPageId)
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) {
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setPreviewPageId(null);
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}
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}, [previewPageId, pages]);
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|
|
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const hasPdf = !!pdf;
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|
|
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useEffect(() => {
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const handleKeyDown = (e: KeyboardEvent) => {
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if (isEditableKeyboardTarget(e.target)) return;
|
|
|
|
if (e.key === 'F1' || e.key === '?') {
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e.preventDefault();
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setHelpOpen(true);
|
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}
|
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};
|
|
|
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window.addEventListener('keydown', handleKeyDown);
|
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|
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return () => {
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window.removeEventListener('keydown', handleKeyDown);
|
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};
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|
}, []);
|
|
|
|
// === UI interactions ===
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|
const handleRotatePageClockwise = (pageId: string) => {
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const before = getCurrentCommandState();
|
|
const afterPages = pages.map((page) =>
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page.id === pageId
|
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? { ...page, rotation: (normalizeRotation(page.rotation) + 90) % 360 }
|
|
: page
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|
);
|
|
|
|
executeWorkspaceCommand(
|
|
createWorkspaceCommand({
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|
type: 'page.rotate',
|
|
label: 'Rotated page clockwise',
|
|
before,
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|
after: {
|
|
...before,
|
|
pages: afterPages,
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|
},
|
|
details: {
|
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pageId,
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degrees: 90,
|
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},
|
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})
|
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);
|
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};
|
|
|
|
const handleRotatePageCounterclockwise = (pageId: string) => {
|
|
const before = getCurrentCommandState();
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const afterPages = pages.map((page) =>
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page.id === pageId
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? { ...page, rotation: (normalizeRotation(page.rotation) + 270) % 360 }
|
|
: page
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|
);
|
|
|
|
executeWorkspaceCommand(
|
|
createWorkspaceCommand({
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|
type: 'page.rotate',
|
|
label: 'Rotated page counterclockwise',
|
|
before,
|
|
after: {
|
|
...before,
|
|
pages: afterPages,
|
|
},
|
|
details: {
|
|
pageId,
|
|
degrees: -90,
|
|
},
|
|
})
|
|
);
|
|
};
|
|
|
|
const handleDeletePage = (pageId: string) => {
|
|
const page = pages.find((item) => item.id === pageId);
|
|
const visualIndex = page ? pages.indexOf(page) : -1;
|
|
const pageLabel =
|
|
visualIndex >= 0 ? `page at position ${visualIndex + 1}` : 'this page';
|
|
|
|
openActionDialog({
|
|
title: 'Delete page?',
|
|
content: (
|
|
<p style={{ margin: 0 }}>
|
|
Delete <strong>{pageLabel}</strong> from the current workspace?
|
|
</p>
|
|
),
|
|
actions: [
|
|
{
|
|
label: 'Cancel',
|
|
variant: 'secondary',
|
|
onClick: closeActionDialog,
|
|
},
|
|
{
|
|
label: 'Delete page',
|
|
variant: 'danger',
|
|
autoFocus: true,
|
|
onClick: () => {
|
|
closeActionDialog();
|
|
performDeletePage(pageId);
|
|
},
|
|
},
|
|
],
|
|
});
|
|
};
|
|
|
|
const performDeletePage = (pageId: string) => {
|
|
const before = getCurrentCommandState();
|
|
|
|
executeWorkspaceCommand(
|
|
createWorkspaceCommand({
|
|
type: 'page.delete',
|
|
label: 'Deleted page',
|
|
before,
|
|
after: {
|
|
pages: pages.filter((page) => page.id !== pageId),
|
|
selectedPageIds: selectedPageIds.filter((id) => id !== pageId),
|
|
lastSelectedVisualIndex: null,
|
|
},
|
|
details: {
|
|
pageId,
|
|
},
|
|
})
|
|
);
|
|
};
|
|
|
|
const handleReorder = (newPages: PageRef[]) => {
|
|
const before = getCurrentCommandState();
|
|
|
|
executeWorkspaceCommand(
|
|
createWorkspaceCommand({
|
|
type: 'pages.reorder',
|
|
label: 'Reordered pages',
|
|
before,
|
|
after: {
|
|
...before,
|
|
pages: newPages,
|
|
},
|
|
details: {
|
|
pageCount: newPages.length,
|
|
},
|
|
})
|
|
);
|
|
};
|
|
|
|
const handleToggleSelect = (
|
|
pageId: string,
|
|
visualIndex: number,
|
|
e: React.MouseEvent<HTMLButtonElement>
|
|
) => {
|
|
setSelectedPageIds((prev) => {
|
|
if (e.shiftKey && lastSelectedVisualIndex !== null && pages.length > 0) {
|
|
const from = Math.min(lastSelectedVisualIndex, visualIndex);
|
|
const to = Math.max(lastSelectedVisualIndex, visualIndex);
|
|
const rangeIds = pages.slice(from, to + 1).map((page) => page.id);
|
|
|
|
const set = new Set(prev);
|
|
rangeIds.forEach((id) => set.add(id));
|
|
return Array.from(set);
|
|
}
|
|
|
|
if (prev.includes(pageId)) {
|
|
return prev.filter((id) => id !== pageId);
|
|
}
|
|
|
|
return [...prev, pageId];
|
|
});
|
|
|
|
setLastSelectedVisualIndex(visualIndex);
|
|
};
|
|
|
|
const handleSelectAll = () => {
|
|
setSelectedPageIds(pages.map((page) => page.id));
|
|
setLastSelectedVisualIndex(null);
|
|
};
|
|
|
|
const handleClearSelection = () => {
|
|
setSelectedPageIds([]);
|
|
setLastSelectedVisualIndex(null);
|
|
};
|
|
|
|
const performDeleteSelected = useCallback(
|
|
(pageIdsToDelete: string[]) => {
|
|
if (pageIdsToDelete.length === 0) return;
|
|
|
|
const before = getCurrentCommandState();
|
|
const selectedSet = new Set(pageIdsToDelete);
|
|
|
|
executeWorkspaceCommand(
|
|
createWorkspaceCommand({
|
|
type: 'pages.delete',
|
|
label:
|
|
pageIdsToDelete.length === 1
|
|
? 'Deleted selected page'
|
|
: `Deleted ${pageIdsToDelete.length} selected pages`,
|
|
before,
|
|
after: {
|
|
pages: pages.filter((page) => !selectedSet.has(page.id)),
|
|
selectedPageIds: [],
|
|
lastSelectedVisualIndex: null,
|
|
},
|
|
details: {
|
|
count: pageIdsToDelete.length,
|
|
},
|
|
})
|
|
);
|
|
},
|
|
[
|
|
createWorkspaceCommand,
|
|
executeWorkspaceCommand,
|
|
getCurrentCommandState,
|
|
pages,
|
|
]
|
|
);
|
|
|
|
const handleDeleteSelected = useCallback(() => {
|
|
if (selectedPageIds.length === 0) return;
|
|
|
|
const idsToDelete = [...selectedPageIds];
|
|
|
|
openActionDialog({
|
|
title:
|
|
idsToDelete.length === 1
|
|
? 'Delete selected page?'
|
|
: 'Delete selected pages?',
|
|
content: (
|
|
<p style={{ margin: 0 }}>
|
|
Delete{' '}
|
|
<strong>
|
|
{idsToDelete.length === 1
|
|
? '1 selected page'
|
|
: `${idsToDelete.length} selected pages`}
|
|
</strong>{' '}
|
|
from the current workspace?
|
|
</p>
|
|
),
|
|
actions: [
|
|
{
|
|
label: 'Cancel',
|
|
variant: 'secondary',
|
|
onClick: closeActionDialog,
|
|
},
|
|
{
|
|
label: idsToDelete.length === 1 ? 'Delete page' : 'Delete pages',
|
|
variant: 'danger',
|
|
autoFocus: true,
|
|
onClick: () => {
|
|
closeActionDialog();
|
|
performDeleteSelected(idsToDelete);
|
|
},
|
|
},
|
|
],
|
|
});
|
|
}, [
|
|
closeActionDialog,
|
|
openActionDialog,
|
|
performDeleteSelected,
|
|
selectedPageIds,
|
|
]);
|
|
|
|
const handleCopyPagesToSlot = (pageIds: string[], insertSlot: number) => {
|
|
if (!pdf || pageIds.length === 0) return;
|
|
|
|
const pageIdSet = new Set(pageIds);
|
|
|
|
// Copy in current visual order, not in arbitrary selectedPageIds order.
|
|
const sourcePages = pages.filter((page) => pageIdSet.has(page.id));
|
|
|
|
if (sourcePages.length === 0) return;
|
|
|
|
const copiedPages: PageRef[] = sourcePages.map((page) => ({
|
|
...page,
|
|
id: createPageRefId(),
|
|
}));
|
|
|
|
const clampedSlot = Math.min(Math.max(insertSlot, 0), pages.length);
|
|
|
|
const afterPages = [
|
|
...pages.slice(0, clampedSlot),
|
|
...copiedPages,
|
|
...pages.slice(clampedSlot),
|
|
];
|
|
|
|
const before = getCurrentCommandState();
|
|
|
|
executeWorkspaceCommand(
|
|
createWorkspaceCommand({
|
|
type: 'pages.copy',
|
|
label:
|
|
copiedPages.length === 1
|
|
? 'Copied page'
|
|
: `Copied ${copiedPages.length} pages`,
|
|
before,
|
|
after: {
|
|
pages: afterPages,
|
|
selectedPageIds: copiedPages.map((page) => page.id),
|
|
lastSelectedVisualIndex: null,
|
|
},
|
|
details: {
|
|
count: copiedPages.length,
|
|
insertSlot: clampedSlot,
|
|
},
|
|
})
|
|
);
|
|
};
|
|
|
|
const handleOpenPreview = (pageId: string) => {
|
|
setPreviewPageId(pageId);
|
|
};
|
|
|
|
const handleClosePreview = () => {
|
|
setPreviewPageId(null);
|
|
};
|
|
|
|
const handlePreviewPrevious = () => {
|
|
setPreviewPageId((current) => {
|
|
if (current == null || pages.length === 0) return current;
|
|
|
|
const visualIndex = pages.findIndex((page) => page.id === current);
|
|
if (visualIndex <= 0) return current;
|
|
|
|
return pages[visualIndex - 1].id;
|
|
});
|
|
};
|
|
|
|
const handlePreviewNext = () => {
|
|
setPreviewPageId((current) => {
|
|
if (current == null || pages.length === 0) return current;
|
|
|
|
const visualIndex = pages.findIndex((page) => page.id === current);
|
|
if (visualIndex < 0 || visualIndex >= pages.length - 1) return current;
|
|
|
|
return pages[visualIndex + 1].id;
|
|
});
|
|
};
|
|
|
|
useEffect(() => {
|
|
if (!hasPdf || previewPageId !== null) return;
|
|
|
|
const handleKeyDown = (e: KeyboardEvent) => {
|
|
if (isEditableKeyboardTarget(e.target)) return;
|
|
|
|
const key = e.key.toLowerCase();
|
|
|
|
if ((e.ctrlKey || e.metaKey) && key === 'z') {
|
|
e.preventDefault();
|
|
if (e.shiftKey) {
|
|
handleRedo();
|
|
} else {
|
|
handleUndo();
|
|
}
|
|
return;
|
|
}
|
|
|
|
if ((e.ctrlKey || e.metaKey) && key === 'y') {
|
|
e.preventDefault();
|
|
handleRedo();
|
|
return;
|
|
}
|
|
|
|
if ((e.ctrlKey || e.metaKey) && key === 'a') {
|
|
e.preventDefault();
|
|
setSelectedPageIds(pages.map((page) => page.id));
|
|
setLastSelectedVisualIndex(null);
|
|
return;
|
|
}
|
|
|
|
if (
|
|
(e.key === 'Delete' || e.key === 'Backspace') &&
|
|
selectedPageIds.length > 0
|
|
) {
|
|
e.preventDefault();
|
|
handleDeleteSelected();
|
|
return;
|
|
}
|
|
|
|
if (e.key === 'Escape' && selectedPageIds.length > 0) {
|
|
e.preventDefault();
|
|
setSelectedPageIds([]);
|
|
setLastSelectedVisualIndex(null);
|
|
}
|
|
};
|
|
|
|
window.addEventListener('keydown', handleKeyDown);
|
|
|
|
return () => {
|
|
window.removeEventListener('keydown', handleKeyDown);
|
|
};
|
|
}, [
|
|
hasPdf,
|
|
previewPageId,
|
|
pages,
|
|
selectedPageIds,
|
|
workspaceHistory,
|
|
redoHistory,
|
|
handleUndo,
|
|
handleRedo,
|
|
handleDeleteSelected,
|
|
setSelectedPageIds,
|
|
setLastSelectedVisualIndex,
|
|
]);
|
|
|
|
const handleSplit = async () => {
|
|
if (!pdf) return;
|
|
setError(null);
|
|
setIsBusy(true);
|
|
try {
|
|
const result = await splitIntoSinglePages(pdf);
|
|
replaceSplitResults(result);
|
|
} catch (e) {
|
|
console.error(e);
|
|
setError('Error while splitting PDF (see console).');
|
|
} finally {
|
|
setIsBusy(false);
|
|
}
|
|
};
|
|
|
|
const handleExtractSelected = async () => {
|
|
if (!pdf || selectedPageIds.length === 0) return;
|
|
setError(null);
|
|
setIsBusy(true);
|
|
|
|
try {
|
|
const selectedPages = getSelectedPagesInVisualOrder(
|
|
pages,
|
|
selectedPageIds
|
|
);
|
|
|
|
if (selectedPages.length === 0) return;
|
|
|
|
const blob = await exportPages(pdf, selectedPages);
|
|
const base = pdf.name.replace(/\.pdf$/i, '');
|
|
const filename = `${base}_selected.pdf`;
|
|
replaceSubsetResult(blob, filename);
|
|
} catch (e) {
|
|
console.error(e);
|
|
setError('Error while extracting selected pages (see console).');
|
|
} finally {
|
|
setIsBusy(false);
|
|
}
|
|
};
|
|
|
|
const performOpenSelectionAsWorkspace = async () => {
|
|
if (!pdf || selectedPageIds.length === 0) return;
|
|
|
|
const selectedPages = getSelectedPagesInVisualOrder(pages, selectedPageIds);
|
|
if (selectedPages.length === 0) return;
|
|
|
|
setError(null);
|
|
setIsBusy(true);
|
|
|
|
try {
|
|
const selectedPageCount = selectedPages.length;
|
|
const blob = await exportPages(pdf, selectedPages);
|
|
const arrayBuffer = await blob.arrayBuffer();
|
|
const doc = await PDFDocument.load(arrayBuffer);
|
|
const pdfName = createSelectionPdfName(pdf.name, selectedPageCount);
|
|
const workspaceName = createSelectionWorkspaceName(
|
|
pdf.name,
|
|
selectedPageCount
|
|
);
|
|
|
|
const extractedPdf: PdfFile = {
|
|
id: createPdfId(),
|
|
name: pdfName,
|
|
doc,
|
|
pageCount: doc.getPageCount(),
|
|
arrayBuffer,
|
|
};
|
|
|
|
setPdf(extractedPdf);
|
|
replaceWorkspaceState({
|
|
pages: createInitialPageRefs(extractedPdf.pageCount),
|
|
selectedPageIds: [],
|
|
lastSelectedVisualIndex: null,
|
|
history: [],
|
|
redoHistory: [],
|
|
dirty: true,
|
|
message: `Created a new workspace from ${selectedPageCount} selected ${
|
|
selectedPageCount === 1 ? 'page' : 'pages'
|
|
}.`,
|
|
});
|
|
|
|
setActiveWorkspaceId(null);
|
|
setWorkspaceName(workspaceName);
|
|
setPreviewPageId(null);
|
|
clearGeneratedOutputs();
|
|
clearThumbnailCache();
|
|
} catch (e) {
|
|
console.error(e);
|
|
setError('Error while opening selection as a new workspace.');
|
|
} finally {
|
|
setIsBusy(false);
|
|
}
|
|
};
|
|
|
|
const handleOpenSelectionAsWorkspace = () => {
|
|
if (!pdf || selectedPageIds.length === 0) return;
|
|
|
|
const selectedPages = getSelectedPagesInVisualOrder(pages, selectedPageIds);
|
|
if (selectedPages.length === 0) return;
|
|
|
|
if (!workspaceDirty) {
|
|
void performOpenSelectionAsWorkspace();
|
|
return;
|
|
}
|
|
|
|
openActionDialog({
|
|
title: 'Open selection as new workspace?',
|
|
content: (
|
|
<>
|
|
<p style={{ marginTop: 0 }}>
|
|
This will replace the current in-memory workspace with a new
|
|
workspace built from {selectedPages.length}{' '}
|
|
{selectedPages.length === 1 ? 'selected page' : 'selected pages'}.
|
|
</p>
|
|
<p style={{ marginBottom: 0 }}>
|
|
The current workspace has unsaved changes. Do you want to save it
|
|
before opening the selection as a new workspace?
|
|
</p>
|
|
</>
|
|
),
|
|
actions: [
|
|
{
|
|
label: 'Cancel',
|
|
variant: 'secondary',
|
|
onClick: closeActionDialog,
|
|
},
|
|
{
|
|
label: 'Open without saving',
|
|
variant: 'danger',
|
|
onClick: () => {
|
|
closeActionDialog();
|
|
void performOpenSelectionAsWorkspace();
|
|
},
|
|
},
|
|
{
|
|
label: 'Save and open',
|
|
variant: 'primary',
|
|
autoFocus: true,
|
|
onClick: async () => {
|
|
closeActionDialog();
|
|
const saved = await handleSaveWorkspace();
|
|
if (saved) {
|
|
await performOpenSelectionAsWorkspace();
|
|
}
|
|
},
|
|
},
|
|
],
|
|
});
|
|
};
|
|
|
|
const handleExportReordered = async () => {
|
|
if (!pdf || pages.length === 0) return;
|
|
setError(null);
|
|
setIsBusy(true);
|
|
|
|
try {
|
|
const blob = await exportPages(pdf, pages);
|
|
const base = pdf.name.replace(/\.pdf$/i, '');
|
|
const filename = `${base}_reordered.pdf`;
|
|
replaceExportResult(blob, filename);
|
|
} catch (e) {
|
|
console.error(e);
|
|
setError('Error while exporting reordered PDF (see console).');
|
|
} finally {
|
|
setIsBusy(false);
|
|
}
|
|
};
|
|
|
|
const previewVisualIndex =
|
|
previewPageId != null
|
|
? pages.findIndex((page) => page.id === previewPageId)
|
|
: -1;
|
|
const previewPage =
|
|
previewVisualIndex >= 0 ? pages[previewVisualIndex] : null;
|
|
|
|
const canPreviewPrevious = previewVisualIndex > 0;
|
|
const canPreviewNext =
|
|
previewVisualIndex >= 0 && previewVisualIndex < pages.length - 1;
|
|
|
|
return (
|
|
<Layout onOpenHelp={() => setHelpOpen(true)}>
|
|
<FileLoader pdf={pdf} onFileLoaded={handleFileLoaded} />
|
|
|
|
<WorkspacePanel
|
|
hasPdf={hasPdf}
|
|
isBusy={isBusy}
|
|
activeWorkspaceId={activeWorkspaceId}
|
|
workspaceName={workspaceName}
|
|
workspaceDirty={workspaceDirty}
|
|
workspaceMessage={workspaceMessage}
|
|
workspaces={workspaces}
|
|
history={workspaceHistory}
|
|
redoHistory={redoHistory}
|
|
onWorkspaceNameChange={(value) => {
|
|
setWorkspaceName(value);
|
|
setWorkspaceDirty(true);
|
|
}}
|
|
onSaveWorkspace={handleSaveWorkspace}
|
|
onLoadWorkspace={handleLoadWorkspace}
|
|
onDeleteWorkspace={handleDeleteWorkspace}
|
|
onRefreshWorkspaces={refreshWorkspaces}
|
|
onResetWorkspace={handleResetWorkspace}
|
|
onUndo={handleUndo}
|
|
onRedo={handleRedo}
|
|
/>
|
|
|
|
{showMergeOptions && pendingFile && pdf && pages.length > 0 && (
|
|
<div
|
|
className="card"
|
|
style={{ border: '1px solid #bfdbfe', background: '#eff6ff' }}
|
|
>
|
|
<h2>Open file: merge or replace?</h2>
|
|
<p style={{ fontSize: '0.85rem', color: '#374151' }}>
|
|
You already have <strong>{pdf.name}</strong> with {pages.length}{' '}
|
|
pages open. What should happen with{' '}
|
|
<strong>{pendingFile.name}</strong>?
|
|
</p>
|
|
|
|
<div
|
|
style={{
|
|
display: 'flex',
|
|
flexDirection: 'column',
|
|
gap: '0.5rem',
|
|
marginTop: '0.5rem',
|
|
fontSize: '0.9rem',
|
|
}}
|
|
>
|
|
<label
|
|
style={{ display: 'flex', alignItems: 'center', gap: '0.4rem' }}
|
|
>
|
|
<input
|
|
type="radio"
|
|
name="mergeMode"
|
|
value="overwrite"
|
|
checked={mergeMode === 'overwrite'}
|
|
onChange={() => setMergeMode('overwrite')}
|
|
/>
|
|
<span>Replace current document</span>
|
|
</label>
|
|
|
|
<label
|
|
style={{ display: 'flex', alignItems: 'center', gap: '0.4rem' }}
|
|
>
|
|
<input
|
|
type="radio"
|
|
name="mergeMode"
|
|
value="append"
|
|
checked={mergeMode === 'append'}
|
|
onChange={() => setMergeMode('append')}
|
|
/>
|
|
<span>Merge and append pages at the end</span>
|
|
</label>
|
|
|
|
<label
|
|
style={{ display: 'flex', alignItems: 'center', gap: '0.4rem' }}
|
|
>
|
|
<input
|
|
type="radio"
|
|
name="mergeMode"
|
|
value="insertAt"
|
|
checked={mergeMode === 'insertAt'}
|
|
onChange={() => setMergeMode('insertAt')}
|
|
/>
|
|
<span>
|
|
Merge and insert starting at position{' '}
|
|
<input
|
|
type="number"
|
|
min={1}
|
|
max={pages.length + 1}
|
|
value={mergeInsertAt}
|
|
onChange={(e) => setMergeInsertAt(e.target.value)}
|
|
style={{
|
|
width: '4rem',
|
|
padding: '0.15rem 0.3rem',
|
|
fontSize: '0.85rem',
|
|
}}
|
|
/>{' '}
|
|
<span style={{ color: '#6b7280' }}>
|
|
(1 = before first page, {pages.length + 1} = after last page)
|
|
</span>
|
|
</span>
|
|
</label>
|
|
</div>
|
|
|
|
<div className="button-row" style={{ marginTop: '0.75rem' }}>
|
|
<button
|
|
className="secondary"
|
|
type="button"
|
|
onClick={handleMergeCancel}
|
|
disabled={isBusy}
|
|
>
|
|
Cancel
|
|
</button>
|
|
<button
|
|
className="primary"
|
|
type="button"
|
|
onClick={handleMergeConfirm}
|
|
disabled={isBusy}
|
|
>
|
|
{isBusy ? 'Working…' : 'Continue'}
|
|
</button>
|
|
</div>
|
|
</div>
|
|
)}
|
|
|
|
<ReorderPanel
|
|
pages={pages}
|
|
thumbnails={reorderThumbnails}
|
|
isBusy={isBusy}
|
|
hasPdf={hasPdf}
|
|
selectedPageIds={selectedPageIds}
|
|
onRotateClockwise={handleRotatePageClockwise}
|
|
onRotateCounterclockwise={handleRotatePageCounterclockwise}
|
|
onDelete={handleDeletePage}
|
|
onReorder={handleReorder}
|
|
onCopyPagesToSlot={handleCopyPagesToSlot}
|
|
onToggleSelect={handleToggleSelect}
|
|
onSelectAll={handleSelectAll}
|
|
onOpenPreview={handleOpenPreview}
|
|
onClearSelection={handleClearSelection}
|
|
onDeleteSelected={handleDeleteSelected}
|
|
/>
|
|
|
|
<ActionsPanel
|
|
hasPdf={hasPdf}
|
|
isBusy={isBusy}
|
|
selectedCount={selectedPageIds.length}
|
|
onSplit={handleSplit}
|
|
onExtractSelected={handleExtractSelected}
|
|
onOpenSelectionAsWorkspace={handleOpenSelectionAsWorkspace}
|
|
onExportReordered={handleExportReordered}
|
|
splitDownloads={splitDownloads}
|
|
subsetDownload={subsetDownload}
|
|
exportDownload={exportDownload}
|
|
/>
|
|
|
|
{error && (
|
|
<div
|
|
className="card"
|
|
style={{ border: '1px solid #fecaca', background: '#fef2f2' }}
|
|
>
|
|
<strong>Error:</strong> {error}
|
|
</div>
|
|
)}
|
|
|
|
<PagePreviewModal
|
|
isOpen={previewPage !== null}
|
|
pdf={pdf}
|
|
pageIndex={previewPage?.sourcePageIndex ?? null}
|
|
rotation={previewPage?.rotation ?? 0}
|
|
visualIndex={previewVisualIndex >= 0 ? previewVisualIndex : null}
|
|
totalPages={pages.length}
|
|
canGoPrevious={canPreviewPrevious}
|
|
canGoNext={canPreviewNext}
|
|
onPrevious={handlePreviewPrevious}
|
|
onNext={handlePreviewNext}
|
|
onClose={handleClosePreview}
|
|
/>
|
|
|
|
<ActionDialog
|
|
open={actionDialog !== null}
|
|
title={actionDialog?.title ?? ''}
|
|
actions={actionDialog?.actions ?? []}
|
|
onClose={closeActionDialog}
|
|
>
|
|
{actionDialog?.content}
|
|
</ActionDialog>
|
|
|
|
<HelpDialog open={helpOpen} onClose={() => setHelpOpen(false)} />
|
|
</Layout>
|
|
);
|
|
};
|
|
|
|
export default App;
|