135 lines
4.1 KiB
Dart
135 lines
4.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:pdfrx/pdfrx.dart';
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import 'package:pdf_signature/l10n/app_localizations.dart';
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import 'pdf_page_overlays.dart';
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import './pdf_mock_continuous_list.dart';
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import '../view_model/pdf_view_model.dart';
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class PdfViewerWidget extends ConsumerStatefulWidget {
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const PdfViewerWidget({
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super.key,
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required this.pageSize,
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required this.onDragSignature,
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required this.onResizeSignature,
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required this.onConfirmSignature,
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required this.onClearActiveOverlay,
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required this.onSelectPlaced,
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this.pageKeyBuilder,
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this.scrollToPage,
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required this.controller,
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});
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final Size pageSize;
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final ValueChanged<Offset> onDragSignature;
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final ValueChanged<Offset> onResizeSignature;
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final VoidCallback onConfirmSignature;
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final VoidCallback onClearActiveOverlay;
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final ValueChanged<int?> onSelectPlaced;
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final GlobalKey Function(int page)? pageKeyBuilder;
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final void Function(int page)? scrollToPage;
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final PdfViewerController controller;
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@override
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ConsumerState<PdfViewerWidget> createState() => _PdfViewerWidgetState();
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}
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class _PdfViewerWidgetState extends ConsumerState<PdfViewerWidget> {
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PdfDocumentRef? _documentRef;
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// Public getter for testing the actual viewer page
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int? get viewerCurrentPage => widget.controller.pageNumber;
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@override
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void initState() {
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super.initState();
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}
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@override
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void dispose() {
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// PdfViewerController doesn't have dispose method
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final pdfViewModel = ref.watch(pdfViewModelProvider);
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final document = pdfViewModel.document;
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final useMock = pdfViewModel.useMockViewer;
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// trigger rebuild when active rect changes
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// Update document ref when document changes
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if (document.loaded && document.pickedPdfBytes != null) {
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if (_documentRef == null) {
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_documentRef = PdfDocumentRefData(
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document.pickedPdfBytes!,
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sourceName: 'document.pdf',
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);
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}
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} else {
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_documentRef = null;
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}
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if (_documentRef == null && !useMock) {
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String text;
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try {
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text = AppLocalizations.of(context).noPdfLoaded;
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} catch (_) {
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text = 'No PDF loaded';
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}
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return Center(child: Text(text));
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}
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if (useMock) {
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return PdfMockContinuousList(
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pageSize: widget.pageSize,
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count: document.pageCount,
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pageKeyBuilder:
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widget.pageKeyBuilder ??
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(page) => GlobalKey(debugLabel: 'page_$page'),
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scrollToPage: widget.scrollToPage ?? (page) {},
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onDragSignature: widget.onDragSignature,
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onResizeSignature: widget.onResizeSignature,
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onConfirmSignature: widget.onConfirmSignature,
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onClearActiveOverlay: widget.onClearActiveOverlay,
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onSelectPlaced: widget.onSelectPlaced,
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);
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}
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return PdfViewer(
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_documentRef!,
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key: const Key(
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'pdf_continuous_mock_list',
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), // Keep the same key for test compatibility
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controller: widget.controller,
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params: PdfViewerParams(
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onViewerReady: (document, controller) {
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// Update page count in repository
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ref
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.read(pdfViewModelProvider.notifier)
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.setPageCount(document.pages.length);
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},
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onPageChanged: (page) {
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if (page != null) {
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// Also update the view model to keep them in sync
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ref.read(pdfViewModelProvider.notifier).jumpToPage(page);
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}
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},
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viewerOverlayBuilder: (context, size, handle) {
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return [
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PdfPageOverlays(
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pageSize: widget.pageSize,
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pageNumber: pdfViewModel.currentPage,
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onDragSignature: widget.onDragSignature,
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onResizeSignature: widget.onResizeSignature,
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onConfirmSignature: widget.onConfirmSignature,
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onClearActiveOverlay: widget.onClearActiveOverlay,
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onSelectPlaced: widget.onSelectPlaced,
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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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}
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