From 3a50d7f1bc50c6da1c287b33e698b5fe99da0948 Mon Sep 17 00:00:00 2001
From: Nicolas Gruber <nicolas@gruber.info>
Date: Mon, 15 May 2023 09:21:43 +0200
Subject: [PATCH] call clear function when selected index is changed and
 reduced pdf size by decoded the images before adding it to the pdf

---
 lib/UserDefinedList.dart | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/lib/UserDefinedList.dart b/lib/UserDefinedList.dart
index c213309..5080766 100644
--- a/lib/UserDefinedList.dart
+++ b/lib/UserDefinedList.dart
@@ -8,6 +8,7 @@ import 'DetailPage.dart';
 import 'package:intl/intl.dart';
 import 'package:pdf/widgets.dart' as pdfWidgets;
 import 'package:http/http.dart' as http;
+import 'package:image/image.dart' as img;
 
 class UserDefinedItem extends StatelessWidget {
   final String title;
@@ -153,6 +154,13 @@ class _GenericListState extends State<GenericList> {
     firestore.settings =
     const Settings(cacheSizeBytes: Settings.CACHE_SIZE_UNLIMITED);
   }
+  @override
+  void didUpdateWidget(GenericList oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (widget.selectedIndex != oldWidget.selectedIndex) {
+      selectedItems.clear();
+    }
+  }
 
   Stream<QuerySnapshot> getDocumentStream() {
     return firestore
@@ -287,7 +295,11 @@ class _GenericListState extends State<GenericList> {
     }
 
     final Uint8List bytes = response.bodyBytes;
-    final imageProvider = pdfWidgets.MemoryImage(bytes);
+    final img.Image? image = img.decodeImage(bytes);
+    final img.Image resizedImage = img.copyResize(image!, width: 500); // Beispielwert für die Breite
+    final Uint8List resizedBytes = Uint8List.fromList(img.encodeJpg(resizedImage));
+
+    final imageProvider = pdfWidgets.MemoryImage(resizedBytes);
 
     return imageProvider;
   }