Finished SplitView for Tablet devices

lib/view/pages/talk/components/chatMessage.dart

@@ -0,0 +1,63 @@
+
+import 'package:cached_network_image/cached_network_image.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_linkify/flutter_linkify.dart';
+import 'package:url_launcher/url_launcher_string.dart';
+
+import '../../../../api/marianumcloud/talk/chat/getChatResponse.dart';
+import '../../../../api/marianumcloud/talk/chat/richObjectStringProcessor.dart';
+import '../../../../model/accountData.dart';
+import '../../../../model/endpointData.dart';
+
+class ChatMessage {
+  String originalMessage;
+  Map<String, RichObjectString>? originalData;
+
+  RichObjectString? file;
+  String content = "";
+
+  bool get containsFile => file != null;
+
+  ChatMessage({required this.originalMessage, this.originalData}) {
+    if(originalData?.containsKey("file") ?? false) {
+      file = originalData?['file'];
+      content = file?.name ?? "Datei";
+    } else {
+      content = RichObjectStringProcessor.parseToString(originalMessage, originalData);
+    }
+  }
+
+  Widget getWidget() {
+
+    if(file == null) {
+      return Linkify(
+        text: content,
+        onOpen: onOpen,
+      );
+    }
+
+    return CachedNetworkImage(
+      errorWidget: (context, url, error) {
+        return Column(
+          children: [
+            const Icon(Icons.image_not_supported_outlined, size: 35),
+            Text("Keine Dateivorschau:\n${file!.name}", style: const TextStyle(fontWeight: FontWeight.bold))
+          ],
+        );
+      },
+      alignment: Alignment.center,
+      placeholder: (context, url) {
+        return const Padding(padding: EdgeInsets.all(10), child: CircularProgressIndicator());
+      },
+      imageUrl: "https://${AccountData().buildHttpAuthString()}@${EndpointData().nextcloud().full()}/index.php/core/preview?fileId=${file!.id}&x=100&y=-1&a=1",
+    );
+  }
+
+  void onOpen(LinkableElement link) async {
+    if(await canLaunchUrlString(link.url)) {
+      await launchUrlString(link.url);
+    } else {
+
+    }
+  }
+}