feat: integrate WordPress PDF Aussendungen with in-app reader into News

2026-09-14 21:32:03 +02:00
parent e512c081e3
commit 9a823cbcdb
8 changed files with 1000 additions and 228 deletions
@@ -0,0 +1,90 @@
+import 'package:flutter/material.dart';
+import 'package:http/http.dart' as http;
+import 'package:pdf/pdf.dart';
+import 'package:printing/printing.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+class PdfViewerScreen extends StatelessWidget {
+  final String title;
+  final String pdfUrl;
+
+  const PdfViewerScreen({
+    super.key,
+    required this.title,
+    required this.pdfUrl,
+  });
+
+  Future<void> _openExternal() async {
+    final uri = Uri.parse(pdfUrl);
+    if (await canLaunchUrl(uri)) {
+      await launchUrl(uri, mode: LaunchMode.externalApplication);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final safeTitle = title.replaceAll(RegExp(r'[\\/:*?<>|]'), '_');
+
+ return Scaffold(
+ appBar: AppBar(
+ title: Text(title, overflow: TextOverflow.ellipsis),
+ actions: [
+ IconButton(
+ icon: const Icon(Icons.open_in_browser),
+ tooltip: 'Im Browser öffnen',
+ onPressed: _openExternal,
+ ),
+ ],
+ ),
+ body: PdfPreview(
+        build: (PdfPageFormat format) async {
+          final response = await http
+              .get(Uri.parse(pdfUrl))
+              .timeout(const Duration(seconds: 15));
+          if (response.statusCode == 200) {
+            return response.bodyBytes;
+          }
+          throw Exception('Fehler beim Abrufen der Datei (${response.statusCode})');
+        },
+        canChangeOrientation: false,
+        canChangePageFormat: false,
+        canDebug: false,
+        maxPageWidth: 700,
+        pdfFileName: '$safeTitle.pdf',
+ loadingWidget: const Center(
+ child: Column(
+ mainAxisSize: MainAxisSize.min,
+ children: [
+ CircularProgressIndicator(),
+ SizedBox(height: 16),
+ Text('Aussendung wird geladen...'),
+ ],
+ ),
+ ),
+ onError: (context, error) => Center(
+ child: Padding(
+ padding: const EdgeInsets.all(24.0),
+ child: Column(
+ mainAxisSize: MainAxisSize.min,
+ children: [
+ const Icon(Icons.error_outline, color: Colors.red, size: 48),
+ const SizedBox(height: 12),
+                Text(
+                  'Fehler beim Laden des Dokuments: $error',
+                  textAlign: TextAlign.center,
+                  style: const TextStyle(color: Colors.red),
+                ),
+ const SizedBox(height: 16),
+ ElevatedButton.icon(
+ onPressed: _openExternal,
+ icon: const Icon(Icons.open_in_browser),
+ label: const Text('Direkt im Browser öffnen'),
+ ),
+ ],
+ ),
+ ),
+ ),
+ ),
+ );
+ }
+}