xevion/paperless-mobile
1
0
Fork 0
mirror of https://github.com/Xevion/paperless-mobile.git synced 2025-12-09 14:08:00 -06:00
Code Issues Packages Projects Releases Wiki Activity

feat: Replace flutter_pdfview with pdfx

Browse Source
This commit is contained in:
Anton Stubenbord
2023-10-29 14:21:45 +01:00
parent 7e2108a87e
commit 9b4b2cebd5
6 changed files with 124 additions and 72 deletions
Download Patch File Download Diff File Expand all files Collapse all files

107
lib/features/documents/view/pages/document_view.dart
View File

@@ -1,6 +1,8 @@
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_pdfview/flutter_pdfview.dart';
import 'package:flutter_animate/flutter_animate.dart';
import 'package:paperless_mobile/core/extensions/flutter_extensions.dart';
import 'package:pdfx/pdfx.dart';
class DocumentView extends StatefulWidget {
final Future<Uint8List> documentBytes;
@@ -20,16 +22,31 @@ class DocumentView extends StatefulWidget {
}
class _DocumentViewState extends State<DocumentView> {
int? _currentPage;
late final PdfController _controller;
int _currentPage = 1;
int? _totalPages;
PDFViewController? _controller;
@override
void initState() {
super.initState();
final document =
widget.documentBytes.then((value) => PdfDocument.openData(value));
_controller = PdfController(document: document);
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final isInitialized =
_controller != null && _currentPage != null && _totalPages != null;
final canGoToNextPage = isInitialized && _currentPage! + 1 < _totalPages!;
final canGoToPreviousPage = isInitialized && _currentPage! > 0;
final pageTransitionDuration = MediaQuery.disableAnimationsOf(context)
? 0.milliseconds
: 100.milliseconds;
final canGoToNextPage = _totalPages != null && _currentPage < _totalPages!;
final canGoToPreviousPage =
_controller.pagesCount != null && _currentPage > 1;
return Scaffold(
appBar: widget.showAppBar
? AppBar(
@@ -45,8 +62,11 @@ class _DocumentViewState extends State<DocumentView> {
children: [
IconButton.filled(
onPressed: canGoToPreviousPage
? () {
_controller?.setPage(_currentPage! - 1);
? () async {
await _controller.previousPage(
duration: pageTransitionDuration,
curve: Curves.easeOut,
);
}
: null,
icon: const Icon(Icons.arrow_left),
@@ -54,8 +74,11 @@ class _DocumentViewState extends State<DocumentView> {
const SizedBox(width: 16),
IconButton.filled(
onPressed: canGoToNextPage
? () {
_controller?.setPage(_currentPage! + 1);
? () async {
await _controller.nextPage(
duration: pageTransitionDuration,
curve: Curves.easeOut,
);
}
: null,
icon: const Icon(Icons.arrow_right),
@@ -63,47 +86,35 @@ class _DocumentViewState extends State<DocumentView> {
],
),
),
if (_currentPage != null && _totalPages != null)
Text(
"${_currentPage! + 1}/$_totalPages",
style: Theme.of(context).textTheme.labelLarge,
),
PdfPageNumber(
controller: _controller,
builder: (context, loadingState, page, pagesCount) {
if (loadingState != PdfLoadingState.success) {
return const Text("-/-");
}
return Text(
"$page/$pagesCount",
style: Theme.of(context).textTheme.titleMedium,
).padded();
},
),
],
),
)
: null,
body: FutureBuilder(
future: widget.documentBytes,
builder: (context, snapshot) {
if (!snapshot.hasData) {
return const Center(
child: CircularProgressIndicator(),
);
}
return PDFView(
pdfData: snapshot.data,
defaultPage: 0,
enableSwipe: true,
fitPolicy: FitPolicy.BOTH,
swipeHorizontal: true,
onRender: (pages) {
setState(() {
_currentPage = 0;
_totalPages = pages ?? -1;
});
},
onPageChanged: (page, total) {
setState(() {
_currentPage = page;
_totalPages = total;
});
},
onViewCreated: (controller) {
_controller = controller;
},
);
}),
body: PdfView(
controller: _controller,
onDocumentLoaded: (document) {
setState(() {
_totalPages = document.pagesCount;
});
},
onPageChanged: (page) {
setState(() {
_currentPage = page;
});
},
),
);
}
}