2025-06-24 20:25:03 +01:00

914 lines
30 KiB
TypeScript

import React, { useState, useCallback, useRef, useEffect } from "react";
import {
Button, Text, Center, Checkbox, Box, Tooltip, ActionIcon,
Notification, TextInput, FileInput, LoadingOverlay, Modal, Alert, Container,
Stack, Group, Paper, SimpleGrid
} from "@mantine/core";
import { useTranslation } from "react-i18next";
import UploadFileIcon from "@mui/icons-material/UploadFile";
import { usePDFProcessor } from "../../hooks/usePDFProcessor";
import { PDFDocument, PDFPage } from "../../types/pageEditor";
import { fileStorage } from "../../services/fileStorage";
import { generateThumbnailForFile } from "../../utils/thumbnailUtils";
import { useUndoRedo } from "../../hooks/useUndoRedo";
import {
RotatePagesCommand,
DeletePagesCommand,
ReorderPageCommand,
MovePagesCommand,
ToggleSplitCommand
} from "../../commands/pageCommands";
import { pdfExportService } from "../../services/pdfExportService";
import styles from './PageEditor.module.css';
import PageThumbnail from './PageThumbnail';
import BulkSelectionPanel from './BulkSelectionPanel';
import DragDropGrid from './shared/DragDropGrid';
import FilePickerModal from '../shared/FilePickerModal';
import FileUploadSelector from '../shared/FileUploadSelector';
export interface PageEditorProps {
activeFiles: File[];
setActiveFiles: (files: File[]) => void;
downloadUrl?: string | null;
setDownloadUrl?: (url: string | null) => void;
sharedFiles?: any[]; // For FileUploadSelector when no files loaded
// Optional callbacks to expose internal functions for PageEditorControls
onFunctionsReady?: (functions: {
handleUndo: () => void;
handleRedo: () => void;
canUndo: boolean;
canRedo: boolean;
handleRotate: (direction: 'left' | 'right') => void;
handleDelete: () => void;
handleSplit: () => void;
showExportPreview: (selectedOnly: boolean) => void;
onExportSelected: () => void;
onExportAll: () => void;
exportLoading: boolean;
selectionMode: boolean;
selectedPages: string[];
closePdf: () => void;
}) => void;
}
const PageEditor = ({
activeFiles,
setActiveFiles,
downloadUrl,
setDownloadUrl,
sharedFiles = [],
onFunctionsReady,
}: PageEditorProps) => {
const { t } = useTranslation();
const { processPDFFile, loading: pdfLoading } = usePDFProcessor();
// Multi-file state
const [currentFileIndex, setCurrentFileIndex] = useState(0);
const [processedFiles, setProcessedFiles] = useState<Map<string, PDFDocument>>(new Map());
// Current file references
const currentFile = activeFiles[currentFileIndex] || null;
const currentFileKey = currentFile ? `${currentFile.name}-${currentFile.size}` : null;
const currentPdfDocument = currentFileKey ? processedFiles.get(currentFileKey) : null;
const [filename, setFilename] = useState<string>("");
// Page editor state
const [selectedPages, setSelectedPages] = useState<string[]>([]);
const [status, setStatus] = useState<string | null>(null);
const [loading, setLoading] = useState(false);
const [error, setError] = useState<string | null>(null);
const [csvInput, setCsvInput] = useState<string>("");
const [selectionMode, setSelectionMode] = useState(false);
// Drag and drop state
const [draggedPage, setDraggedPage] = useState<string | null>(null);
const [dropTarget, setDropTarget] = useState<string | null>(null);
const [multiPageDrag, setMultiPageDrag] = useState<{pageIds: string[], count: number} | null>(null);
const [dragPosition, setDragPosition] = useState<{x: number, y: number} | null>(null);
// Export state
const [exportLoading, setExportLoading] = useState(false);
const [showExportModal, setShowExportModal] = useState(false);
const [exportPreview, setExportPreview] = useState<{pageCount: number; splitCount: number; estimatedSize: string} | null>(null);
// Animation state
const [movingPage, setMovingPage] = useState<string | null>(null);
const [pagePositions, setPagePositions] = useState<Map<string, { x: number; y: number }>>(new Map());
const [isAnimating, setIsAnimating] = useState(false);
const pageRefs = useRef<Map<string, HTMLDivElement>>(new Map());
const fileInputRef = useRef<() => void>(null);
// Undo/Redo system
const { executeCommand, undo, redo, canUndo, canRedo } = useUndoRedo();
// Process uploaded file
const handleFileUpload = useCallback(async (uploadedFile: File | any) => {
if (!uploadedFile) {
setError('No file provided');
return;
}
let fileToProcess: File;
// Handle FileWithUrl objects from storage
if (uploadedFile.storedInIndexedDB && uploadedFile.arrayBuffer) {
try {
console.log('Converting FileWithUrl to File:', uploadedFile.name);
const arrayBuffer = await uploadedFile.arrayBuffer();
const blob = new Blob([arrayBuffer], { type: uploadedFile.type || 'application/pdf' });
fileToProcess = new File([blob], uploadedFile.name, {
type: uploadedFile.type || 'application/pdf',
lastModified: uploadedFile.lastModified || Date.now()
});
} catch (error) {
console.error('Error converting FileWithUrl:', error);
setError('Unable to load file from storage');
return;
}
} else if (uploadedFile instanceof File) {
fileToProcess = uploadedFile;
} else {
setError('Invalid file object');
console.error('handleFileUpload received unsupported object:', uploadedFile);
return;
}
if (fileToProcess.type !== 'application/pdf') {
setError('Please upload a valid PDF file');
return;
}
const fileKey = `${fileToProcess.name}-${fileToProcess.size}`;
// Skip if already processed
if (processedFiles.has(fileKey)) return;
setLoading(true);
setError(null);
try {
const document = await processPDFFile(fileToProcess);
// Store processed document
setProcessedFiles(prev => new Map(prev).set(fileKey, document));
setFilename(fileToProcess.name.replace(/\.pdf$/i, ''));
setSelectedPages([]);
// Add to activeFiles if not already there
if (!activeFiles.some(f => f.name === fileToProcess.name && f.size === fileToProcess.size)) {
setActiveFiles([...activeFiles, fileToProcess]);
}
if (document.pages.length > 0) {
// Only store if it's a new file (not from storage)
if (!uploadedFile.storedInIndexedDB) {
const thumbnail = await generateThumbnailForFile(fileToProcess);
await fileStorage.storeFile(fileToProcess, thumbnail);
}
}
setStatus(`PDF loaded successfully with ${document.totalPages} pages`);
} catch (err) {
const errorMessage = err instanceof Error ? err.message : 'Failed to process PDF';
setError(errorMessage);
console.error('PDF processing error:', err);
} finally {
setLoading(false);
}
}, [processPDFFile, activeFiles, setActiveFiles, processedFiles]);
// Auto-process files from activeFiles
useEffect(() => {
activeFiles.forEach(file => {
const fileKey = `${file.name}-${file.size}`;
if (!processedFiles.has(fileKey)) {
handleFileUpload(file);
}
});
}, [activeFiles, processedFiles, handleFileUpload]);
// Reset current file index when activeFiles changes
useEffect(() => {
if (currentFileIndex >= activeFiles.length) {
setCurrentFileIndex(0);
}
}, [activeFiles.length, currentFileIndex]);
// Clear selections when switching files
useEffect(() => {
setSelectedPages([]);
setCsvInput("");
setSelectionMode(false);
}, [currentFileIndex]);
// Update filename when current file changes
useEffect(() => {
if (currentFile) {
setFilename(currentFile.name.replace(/\.pdf$/i, ''));
}
}, [currentFile]);
// Global drag cleanup to handle drops outside valid areas
useEffect(() => {
const handleGlobalDragEnd = () => {
// Clean up drag state when drag operation ends anywhere
setDraggedPage(null);
setDropTarget(null);
setMultiPageDrag(null);
setDragPosition(null);
};
const handleGlobalDrop = (e: DragEvent) => {
// Prevent default to avoid browser navigation on invalid drops
e.preventDefault();
};
if (draggedPage) {
document.addEventListener('dragend', handleGlobalDragEnd);
document.addEventListener('drop', handleGlobalDrop);
}
return () => {
document.removeEventListener('dragend', handleGlobalDragEnd);
document.removeEventListener('drop', handleGlobalDrop);
};
}, [draggedPage]);
const selectAll = useCallback(() => {
if (currentPdfDocument) {
setSelectedPages(currentPdfDocument.pages.map(p => p.id));
}
}, [currentPdfDocument]);
const deselectAll = useCallback(() => setSelectedPages([]), []);
const togglePage = useCallback((pageId: string) => {
setSelectedPages(prev =>
prev.includes(pageId)
? prev.filter(id => id !== pageId)
: [...prev, pageId]
);
}, []);
const toggleSelectionMode = useCallback(() => {
setSelectionMode(prev => {
const newMode = !prev;
if (!newMode) {
// Clear selections when exiting selection mode
setSelectedPages([]);
setCsvInput("");
}
return newMode;
});
}, []);
const parseCSVInput = useCallback((csv: string) => {
if (!currentPdfDocument) return [];
const pageIds: string[] = [];
const ranges = csv.split(',').map(s => s.trim()).filter(Boolean);
ranges.forEach(range => {
if (range.includes('-')) {
const [start, end] = range.split('-').map(n => parseInt(n.trim()));
for (let i = start; i <= end && i <= currentPdfDocument.totalPages; i++) {
if (i > 0) {
const page = currentPdfDocument.pages.find(p => p.pageNumber === i);
if (page) pageIds.push(page.id);
}
}
} else {
const pageNum = parseInt(range);
if (pageNum > 0 && pageNum <= currentPdfDocument.totalPages) {
const page = currentPdfDocument.pages.find(p => p.pageNumber === pageNum);
if (page) pageIds.push(page.id);
}
}
});
return pageIds;
}, [currentPdfDocument]);
const updatePagesFromCSV = useCallback(() => {
const pageIds = parseCSVInput(csvInput);
setSelectedPages(pageIds);
}, [csvInput, parseCSVInput]);
const handleDragStart = useCallback((pageId: string) => {
setDraggedPage(pageId);
// Check if this is a multi-page drag in selection mode
if (selectionMode && selectedPages.includes(pageId) && selectedPages.length > 1) {
setMultiPageDrag({
pageIds: selectedPages,
count: selectedPages.length
});
} else {
setMultiPageDrag(null);
}
}, [selectionMode, selectedPages]);
const handleDragEnd = useCallback(() => {
// Clean up drag state regardless of where the drop happened
setDraggedPage(null);
setDropTarget(null);
setMultiPageDrag(null);
setDragPosition(null);
}, []);
const handleDragOver = useCallback((e: React.DragEvent) => {
e.preventDefault();
if (!draggedPage) return;
// Update drag position for multi-page indicator
if (multiPageDrag) {
setDragPosition({ x: e.clientX, y: e.clientY });
}
// Get the element under the mouse cursor
const elementUnderCursor = document.elementFromPoint(e.clientX, e.clientY);
if (!elementUnderCursor) return;
// Find the closest page container
const pageContainer = elementUnderCursor.closest('[data-page-id]');
if (pageContainer) {
const pageId = pageContainer.getAttribute('data-page-id');
if (pageId && pageId !== draggedPage) {
setDropTarget(pageId);
return;
}
}
// Check if over the end zone
const endZone = elementUnderCursor.closest('[data-drop-zone="end"]');
if (endZone) {
setDropTarget('end');
return;
}
// If not over any valid drop target, clear it
setDropTarget(null);
}, [draggedPage, multiPageDrag]);
const handleDragEnter = useCallback((pageId: string) => {
if (draggedPage && pageId !== draggedPage) {
setDropTarget(pageId);
}
}, [draggedPage]);
const handleDragLeave = useCallback(() => {
// Don't clear drop target on drag leave - let dragover handle it
}, []);
// Create setPdfDocument wrapper for current file
const setPdfDocument = useCallback((updatedDoc: PDFDocument) => {
if (currentFileKey) {
setProcessedFiles(prev => new Map(prev).set(currentFileKey, updatedDoc));
}
}, [currentFileKey]);
const animateReorder = useCallback((pageId: string, targetIndex: number) => {
if (!currentPdfDocument || isAnimating) return;
// In selection mode, if the dragged page is selected, move all selected pages
const pagesToMove = selectionMode && selectedPages.includes(pageId)
? selectedPages
: [pageId];
const originalIndex = currentPdfDocument.pages.findIndex(p => p.id === pageId);
if (originalIndex === -1 || originalIndex === targetIndex) return;
setIsAnimating(true);
// Get current positions of all pages
const currentPositions = new Map<string, { x: number; y: number }>();
currentPdfDocument.pages.forEach((page) => {
const element = pageRefs.current.get(page.id);
if (element) {
const rect = element.getBoundingClientRect();
currentPositions.set(page.id, { x: rect.left, y: rect.top });
}
});
// Execute the reorder - for multi-page, we use a different command
if (pagesToMove.length > 1) {
// Multi-page move - use MovePagesCommand
const command = new MovePagesCommand(currentPdfDocument, setPdfDocument, pagesToMove, targetIndex);
executeCommand(command);
} else {
// Single page move
const command = new ReorderPageCommand(currentPdfDocument, setPdfDocument, pageId, targetIndex);
executeCommand(command);
}
// Wait for DOM to update, then get new positions and animate
requestAnimationFrame(() => {
requestAnimationFrame(() => {
const newPositions = new Map<string, { x: number; y: number }>();
// Get the updated document from the state after command execution
const currentDoc = currentPdfDocument; // This should be the updated version after command
currentDoc.pages.forEach((page) => {
const element = pageRefs.current.get(page.id);
if (element) {
const rect = element.getBoundingClientRect();
newPositions.set(page.id, { x: rect.left, y: rect.top });
}
});
// Calculate and apply animations
currentDoc.pages.forEach((page) => {
const element = pageRefs.current.get(page.id);
const currentPos = currentPositions.get(page.id);
const newPos = newPositions.get(page.id);
if (element && currentPos && newPos) {
const deltaX = currentPos.x - newPos.x;
const deltaY = currentPos.y - newPos.y;
// Apply initial transform (from new position back to old position)
element.style.transform = `translate(${deltaX}px, ${deltaY}px)`;
element.style.transition = 'none';
// Force reflow
element.offsetHeight;
// Animate to final position
element.style.transition = 'transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94)';
element.style.transform = 'translate(0px, 0px)';
}
});
// Clean up after animation
setTimeout(() => {
currentDoc.pages.forEach((page) => {
const element = pageRefs.current.get(page.id);
if (element) {
element.style.transform = '';
element.style.transition = '';
}
});
setIsAnimating(false);
}, 400);
});
});
}, [currentPdfDocument, isAnimating, executeCommand, selectionMode, selectedPages, setPdfDocument]);
const handleDrop = useCallback((e: React.DragEvent, targetPageId: string | 'end') => {
e.preventDefault();
if (!draggedPage || !currentPdfDocument || draggedPage === targetPageId) return;
let targetIndex: number;
if (targetPageId === 'end') {
targetIndex = currentPdfDocument.pages.length;
} else {
targetIndex = currentPdfDocument.pages.findIndex(p => p.id === targetPageId);
if (targetIndex === -1) return;
}
animateReorder(draggedPage, targetIndex);
setDraggedPage(null);
setDropTarget(null);
setMultiPageDrag(null);
setDragPosition(null);
const moveCount = multiPageDrag ? multiPageDrag.count : 1;
setStatus(`${moveCount > 1 ? `${moveCount} pages` : 'Page'} reordered`);
}, [draggedPage, currentPdfDocument, animateReorder, multiPageDrag]);
const handleEndZoneDragEnter = useCallback(() => {
if (draggedPage) {
setDropTarget('end');
}
}, [draggedPage]);
const handleRotate = useCallback((direction: 'left' | 'right') => {
if (!currentPdfDocument) return;
const rotation = direction === 'left' ? -90 : 90;
const pagesToRotate = selectionMode
? selectedPages
: currentPdfDocument.pages.map(p => p.id);
if (selectionMode && selectedPages.length === 0) return;
const command = new RotatePagesCommand(
currentPdfDocument,
setPdfDocument,
pagesToRotate,
rotation
);
executeCommand(command);
const pageCount = selectionMode ? selectedPages.length : currentPdfDocument.pages.length;
setStatus(`Rotated ${pageCount} pages ${direction}`);
}, [currentPdfDocument, selectedPages, selectionMode, executeCommand, setPdfDocument]);
const handleDelete = useCallback(() => {
if (!currentPdfDocument) return;
const pagesToDelete = selectionMode
? selectedPages
: currentPdfDocument.pages.map(p => p.id);
if (selectionMode && selectedPages.length === 0) return;
const command = new DeletePagesCommand(
currentPdfDocument,
setPdfDocument,
pagesToDelete
);
executeCommand(command);
if (selectionMode) {
setSelectedPages([]);
}
const pageCount = selectionMode ? selectedPages.length : currentPdfDocument.pages.length;
setStatus(`Deleted ${pageCount} pages`);
}, [currentPdfDocument, selectedPages, selectionMode, executeCommand, setPdfDocument]);
const handleSplit = useCallback(() => {
if (!currentPdfDocument) return;
const pagesToSplit = selectionMode
? selectedPages
: currentPdfDocument.pages.map(p => p.id);
if (selectionMode && selectedPages.length === 0) return;
const command = new ToggleSplitCommand(
currentPdfDocument,
setPdfDocument,
pagesToSplit
);
executeCommand(command);
const pageCount = selectionMode ? selectedPages.length : currentPdfDocument.pages.length;
setStatus(`Split markers toggled for ${pageCount} pages`);
}, [currentPdfDocument, selectedPages, selectionMode, executeCommand, setPdfDocument]);
const showExportPreview = useCallback((selectedOnly: boolean = false) => {
if (!currentPdfDocument) return;
const exportPageIds = selectedOnly ? selectedPages : [];
const preview = pdfExportService.getExportInfo(currentPdfDocument, exportPageIds, selectedOnly);
setExportPreview(preview);
setShowExportModal(true);
}, [currentPdfDocument, selectedPages]);
const handleExport = useCallback(async (selectedOnly: boolean = false) => {
if (!currentPdfDocument) return;
setExportLoading(true);
try {
const exportPageIds = selectedOnly ? selectedPages : [];
const errors = pdfExportService.validateExport(currentPdfDocument, exportPageIds, selectedOnly);
if (errors.length > 0) {
setError(errors.join(', '));
return;
}
const hasSplitMarkers = currentPdfDocument.pages.some(page => page.splitBefore);
if (hasSplitMarkers) {
const result = await pdfExportService.exportPDF(currentPdfDocument, exportPageIds, {
selectedOnly,
filename,
splitDocuments: true
}) as { blobs: Blob[]; filenames: string[] };
result.blobs.forEach((blob, index) => {
setTimeout(() => {
pdfExportService.downloadFile(blob, result.filenames[index]);
}, index * 500);
});
setStatus(`Exported ${result.blobs.length} split documents`);
} else {
const result = await pdfExportService.exportPDF(currentPdfDocument, exportPageIds, {
selectedOnly,
filename
}) as { blob: Blob; filename: string };
pdfExportService.downloadFile(result.blob, result.filename);
setStatus('PDF exported successfully');
}
} catch (error) {
const errorMessage = error instanceof Error ? error.message : 'Export failed';
setError(errorMessage);
} finally {
setExportLoading(false);
}
}, [currentPdfDocument, selectedPages, filename]);
const handleUndo = useCallback(() => {
if (undo()) {
setStatus('Operation undone');
}
}, [undo]);
const handleRedo = useCallback(() => {
if (redo()) {
setStatus('Operation redone');
}
}, [redo]);
const closePdf = useCallback(() => {
setCurrentFileIndex(0);
setActiveFiles([]);
setProcessedFiles(new Map());
setSelectedPages([]);
}, [setActiveFiles]);
// PageEditorControls needs onExportSelected and onExportAll
const onExportSelected = useCallback(() => showExportPreview(true), [showExportPreview]);
const onExportAll = useCallback(() => showExportPreview(false), [showExportPreview]);
// Expose functions to parent component for PageEditorControls
useEffect(() => {
if (onFunctionsReady) {
onFunctionsReady({
handleUndo,
handleRedo,
canUndo,
canRedo,
handleRotate,
handleDelete,
handleSplit,
showExportPreview,
onExportSelected,
onExportAll,
exportLoading,
selectionMode,
selectedPages,
closePdf,
});
}
}, [
onFunctionsReady,
handleUndo,
handleRedo,
canUndo,
canRedo,
handleRotate,
handleDelete,
handleSplit,
showExportPreview,
onExportSelected,
onExportAll,
exportLoading,
selectionMode,
selectedPages,
closePdf
]);
if (!currentPdfDocument) {
return (
<Box pos="relative" h="100vh" style={{ overflow: 'auto' }}>
<LoadingOverlay visible={loading || pdfLoading} />
<Container size="lg" p="xl" h="100%" style={{ display: 'flex', alignItems: 'center', justifyContent: 'center' }}>
<FileUploadSelector
title="Select a PDF to edit"
subtitle="Choose a file from storage or upload a new PDF"
sharedFiles={sharedFiles}
onFileSelect={handleFileUpload}
allowMultiple={false}
accept={["application/pdf"]}
loading={loading || pdfLoading}
/>
</Container>
</Box>
);
}
return (
<Box pos="relative" h="100vh" style={{ overflow: 'auto' }}>
<LoadingOverlay visible={loading || pdfLoading} />
{/* File Switcher Tabs */}
{activeFiles.length > 1 && (
<Box p="md" pb={0} style={{ borderBottom: '1px solid var(--mantine-color-gray-3)' }}>
<Group gap="xs">
{activeFiles.map((file, index) => {
const isActive = index === currentFileIndex;
return (
<Button
key={`${file.name}-${file.size}`}
size="sm"
variant={isActive ? "filled" : "light"}
color={isActive ? "blue" : "gray"}
onClick={() => setCurrentFileIndex(index)}
styles={{
root: {
maxWidth: 200,
overflow: 'hidden',
textOverflow: 'ellipsis',
whiteSpace: 'nowrap'
}
}}
>
{file.name.replace('.pdf', '')}
</Button>
);
})}
</Group>
</Box>
)}
<Box p="md" pt="xl">
<Group mb="md">
<TextInput
value={filename}
onChange={(e) => setFilename(e.target.value)}
placeholder="Enter filename"
style={{ minWidth: 200 }}
/>
<Button
onClick={toggleSelectionMode}
variant={selectionMode ? "filled" : "outline"}
color={selectionMode ? "blue" : "gray"}
styles={{
root: {
transition: 'all 0.2s ease',
...(selectionMode && {
boxShadow: '0 2px 8px rgba(59, 130, 246, 0.3)',
})
}
}}
>
{selectionMode ? "Exit Selection" : "Select Pages"}
</Button>
{selectionMode && (
<>
<Button onClick={selectAll} variant="light">Select All</Button>
<Button onClick={deselectAll} variant="light">Deselect All</Button>
</>
)}
</Group>
{selectionMode && (
<BulkSelectionPanel
csvInput={csvInput}
setCsvInput={setCsvInput}
selectedPages={selectedPages}
onUpdatePagesFromCSV={updatePagesFromCSV}
/>
)}
<DragDropGrid
items={currentPdfDocument.pages}
selectedItems={selectedPages}
selectionMode={selectionMode}
isAnimating={isAnimating}
onDragStart={handleDragStart}
onDragEnd={handleDragEnd}
onDragOver={handleDragOver}
onDragEnter={handleDragEnter}
onDragLeave={handleDragLeave}
onDrop={handleDrop}
onEndZoneDragEnter={handleEndZoneDragEnter}
draggedItem={draggedPage}
dropTarget={dropTarget}
multiItemDrag={multiPageDrag}
dragPosition={dragPosition}
renderItem={(page, index, refs) => (
<PageThumbnail
page={page}
index={index}
totalPages={currentPdfDocument.pages.length}
selectedPages={selectedPages}
selectionMode={selectionMode}
draggedPage={draggedPage}
dropTarget={dropTarget}
movingPage={movingPage}
isAnimating={isAnimating}
pageRefs={refs}
onDragStart={handleDragStart}
onDragEnd={handleDragEnd}
onDragOver={handleDragOver}
onDragEnter={handleDragEnter}
onDragLeave={handleDragLeave}
onDrop={handleDrop}
onTogglePage={togglePage}
onAnimateReorder={animateReorder}
onExecuteCommand={executeCommand}
onSetStatus={setStatus}
onSetMovingPage={setMovingPage}
RotatePagesCommand={RotatePagesCommand}
DeletePagesCommand={DeletePagesCommand}
ToggleSplitCommand={ToggleSplitCommand}
pdfDocument={currentPdfDocument}
setPdfDocument={setPdfDocument}
/>
)}
renderSplitMarker={(page, index) => (
<div
style={{
width: '2px',
height: '20rem',
borderLeft: '2px dashed #3b82f6',
backgroundColor: 'transparent',
marginLeft: '-0.75rem',
marginRight: '-0.75rem',
flexShrink: 0
}}
/>
)}
/>
</Box>
<Modal
opened={showExportModal}
onClose={() => setShowExportModal(false)}
title="Export Preview"
>
{exportPreview && (
<Stack gap="md">
<Group justify="space-between">
<Text>Pages to export:</Text>
<Text fw={500}>{exportPreview.pageCount}</Text>
</Group>
{exportPreview.splitCount > 1 && (
<Group justify="space-between">
<Text>Split into documents:</Text>
<Text fw={500}>{exportPreview.splitCount}</Text>
</Group>
)}
<Group justify="space-between">
<Text>Estimated size:</Text>
<Text fw={500}>{exportPreview.estimatedSize}</Text>
</Group>
{currentPdfDocument && currentPdfDocument.pages.some(p => p.splitBefore) && (
<Alert color="blue">
This will create multiple PDF files based on split markers.
</Alert>
)}
<Group justify="flex-end" mt="md">
<Button
variant="light"
onClick={() => setShowExportModal(false)}
>
Cancel
</Button>
<Button
color="green"
loading={exportLoading}
onClick={() => {
setShowExportModal(false);
const selectedOnly = exportPreview.pageCount < (currentPdfDocument?.totalPages || 0);
handleExport(selectedOnly);
}}
>
Export PDF
</Button>
</Group>
</Stack>
)}
</Modal>
<FileInput
ref={fileInputRef}
accept="application/pdf"
onChange={(file) => file && handleFileUpload(file)}
style={{ display: 'none' }}
/>
{status && (
<Notification
color="blue"
mt="md"
onClose={() => setStatus(null)}
style={{ position: 'fixed', bottom: 20, right: 20, zIndex: 1000 }}
>
{status}
</Notification>
)}
{error && (
<Notification
color="red"
mt="md"
onClose={() => setError(null)}
style={{ position: 'fixed', bottom: 70, right: 20, zIndex: 1000 }}
>
{error}
</Notification>
)}
</Box>
);
};
export default PageEditor;