merge files inital commit

This commit is contained in:
2026-05-23 15:02:40 +02:00
parent 8929080dc7
commit 3a0a90bd4a
16 changed files with 1232 additions and 190 deletions

View File

@@ -9,6 +9,7 @@ import ActionDialog, {
type ActionDialogAction,
} from './components/ActionDialog';
import HelpDialog from './components/HelpDialog';
import MergeQueuePanel from './components/MergeQueuePanel';
import { PDFDocument } from 'pdf-lib';
import type {
StoredWorkspace,
@@ -32,7 +33,7 @@ import {
import type { PageRef, PdfFile } from './pdf/pdfTypes';
import {
loadPdfFromFile,
mergePdfFiles,
mergePdfFilesAtPosition,
splitIntoSinglePages,
exportPages,
} from './pdf/pdfService';
@@ -47,6 +48,13 @@ import {
createSelectionWorkspaceName,
getSelectedPagesInVisualOrder,
} from './workspace/workspaceSelection';
import { useMergeQueue } from './merge/useMergeQueue';
import {
clampMergeInsertAt,
createMergedPdfName,
defaultMergeInsertPosition,
} from './merge/mergeQueueHelpers';
import type { MergeMode } from './merge/mergeTypes';
function isEditableKeyboardTarget(target: EventTarget | null): boolean {
if (!(target instanceof HTMLElement)) return false;
@@ -80,13 +88,23 @@ const App: React.FC = () => {
const [previewPageId, setPreviewPageId] = useState<string | null>(null);
const [pendingFile, setPendingFile] = useState<File | null>(null);
const [showMergeOptions, setShowMergeOptions] = useState(false);
const [mergeMode, setMergeMode] = useState<
'overwrite' | 'append' | 'insertAt'
>('append');
const [mergeQueueOpen, setMergeQueueOpen] = useState(false);
const [mergeMode, setMergeMode] = useState<MergeMode>('append');
const [mergeInsertAt, setMergeInsertAt] = useState<string>('');
const {
items: mergeQueueItems,
addFiles: addFilesToMergeQueue,
removeItem: removeMergeQueueItem,
moveItemUp: moveMergeQueueItemUp,
moveItemDown: moveMergeQueueItemDown,
clearQueue: clearMergeQueue,
readyPdfs: readyMergePdfs,
canMerge: canMergeQueue,
hasErrors: mergeQueueHasErrors,
isLoading: mergeQueueIsLoading,
} = useMergeQueue();
const {
splitDownloads,
splitZipDownload,
@@ -422,89 +440,111 @@ const App: React.FC = () => {
}
};
const handleFileLoaded = (file: File) => {
if (!pdf || pages.length === 0) {
void loadFileAsNew(file);
} else {
setPendingFile(file);
setShowMergeOptions(true);
setMergeMode('append');
setMergeInsertAt(String(pages.length + 1));
const queueFilesForMerge = (files: File[]) => {
if (files.length === 0) return;
const queueWasEmpty = mergeQueueItems.length === 0;
addFilesToMergeQueue(files);
setMergeQueueOpen(true);
if (queueWasEmpty) {
if (!pdf || pages.length === 0) {
setMergeMode('overwrite');
setMergeInsertAt('1');
} else {
setMergeMode('append');
setMergeInsertAt(defaultMergeInsertPosition(pages.length));
}
}
};
const handleFilesLoaded = (files: File[]) => {
const pdfFiles = files.filter(
(file) =>
file.type === 'application/pdf' ||
file.name.toLowerCase().endsWith('.pdf')
);
if (pdfFiles.length === 0) return;
if (!pdf && pages.length === 0 && pdfFiles.length === 1) {
void loadFileAsNew(pdfFiles[0]);
return;
}
queueFilesForMerge(pdfFiles);
};
const handleMergeCancel = () => {
setPendingFile(null);
setShowMergeOptions(false);
clearMergeQueue();
setMergeQueueOpen(false);
};
const handleMergeConfirm = async () => {
if (!pendingFile) return;
if (!pdf || mergeMode === 'overwrite') {
await loadFileAsNew(pendingFile);
setPendingFile(null);
setShowMergeOptions(false);
return;
}
if (!canMergeQueue || readyMergePdfs.length === 0) return;
setError(null);
setIsBusy(true);
try {
// 1) Materialize the current in-memory workspace (page refs + rotations)
const currentBlob = await exportPages(pdf, pages);
const currentArrayBuffer = await currentBlob.arrayBuffer();
const currentDoc = await PDFDocument.load(currentArrayBuffer);
const currentPdf: PdfFile = {
id: pdf.id,
name: pdf.name,
doc: currentDoc,
arrayBuffer: currentArrayBuffer,
pageCount: pages.length,
};
let basePdf: PdfFile | null = null;
let insertAt = 0;
// 2) Load the new PDF
const newPdf = await loadPdfFromFile(pendingFile);
if (pdf && pages.length > 0 && mergeMode !== 'overwrite') {
const currentBlob = await exportPages(pdf, pages);
const currentArrayBuffer = await currentBlob.arrayBuffer();
const currentDoc = await PDFDocument.load(currentArrayBuffer);
// 3) Determine insert position (0-based)
let insertAt = pages.length; // default: append at end
if (mergeMode === 'insertAt') {
const parsed = parseInt(mergeInsertAt, 10);
if (Number.isFinite(parsed)) {
insertAt = Math.min(Math.max(parsed - 1, 0), pages.length);
}
} else if (mergeMode === 'append') {
insertAt = pages.length;
basePdf = {
id: pdf.id,
name: pdf.name,
doc: currentDoc,
arrayBuffer: currentArrayBuffer,
pageCount: pages.length,
};
insertAt =
mergeMode === 'insertAt'
? clampMergeInsertAt(mergeInsertAt, pages.length)
: pages.length;
}
// 4) Merge
const mergedPdf = await mergePdfFiles(currentPdf, newPdf, insertAt);
const mergedPages = createInitialPageRefs(mergedPdf.pageCount);
const mergedPdf = await mergePdfFilesAtPosition({
basePdf,
incomingPdfs: readyMergePdfs,
insertAt,
name: createMergedPdfName(
pdf?.name ?? null,
readyMergePdfs.map((item) => item.name),
mergeMode
),
});
// 5) Reset state to the merged document
setPdf(mergedPdf);
replaceWorkspaceState({
pages: mergedPages,
pages: createInitialPageRefs(mergedPdf.pageCount),
selectedPageIds: [],
lastSelectedVisualIndex: null,
history: [],
redoHistory: [],
dirty: true,
message: null,
message: `Merged ${readyMergePdfs.length} queued ${
readyMergePdfs.length === 1 ? 'PDF' : 'PDFs'
} into a new unsaved workspace.`,
});
clearGeneratedOutputs();
clearThumbnailCache();
setPreviewPageId(null);
setWorkspaceName(defaultWorkspaceNameFromPdfName(mergedPdf.name));
setActiveWorkspaceId(null);
clearMergeQueue();
setMergeQueueOpen(false);
} catch (e) {
console.error(e);
setError('Failed to merge PDF (see console).');
setError('Failed to merge PDF queue (see console).');
} finally {
setIsBusy(false);
setPendingFile(null);
setShowMergeOptions(false);
}
};
@@ -1100,7 +1140,29 @@ const App: React.FC = () => {
return (
<Layout onOpenHelp={() => setHelpOpen(true)}>
<FileLoader pdf={pdf} onFileLoaded={handleFileLoaded} />
<FileLoader pdf={pdf} onFilesLoaded={handleFilesLoaded} />
{mergeQueueOpen && mergeQueueItems.length > 0 && (
<MergeQueuePanel
items={mergeQueueItems}
hasCurrentPdf={hasPdf && pages.length > 0}
currentPdfName={pdf?.name ?? null}
currentPageCount={pages.length}
mergeMode={mergeMode}
mergeInsertAt={mergeInsertAt}
isBusy={isBusy}
canMerge={canMergeQueue}
isLoading={mergeQueueIsLoading}
hasErrors={mergeQueueHasErrors}
onMergeModeChange={setMergeMode}
onMergeInsertAtChange={setMergeInsertAt}
onMoveUp={moveMergeQueueItemUp}
onMoveDown={moveMergeQueueItemDown}
onRemove={removeMergeQueueItem}
onCancel={handleMergeCancel}
onConfirm={handleMergeConfirm}
/>
)}
<WorkspacePanel
hasPdf={hasPdf}
@@ -1125,105 +1187,6 @@ const App: React.FC = () => {
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}