Visualização de conteudo

lib/features/materials/presentation/pages/teacher_materials_page.dart

@@ -8,6 +8,7 @@ import 'package:flutter/material.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:intl/intl.dart';
 import 'package:path/path.dart' as path;
+import 'package:url_launcher/url_launcher.dart';
 
 import '../../../../core/services/auth_service.dart';
 
@@ -825,6 +826,31 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
     );
   }
 
+  Future<void> _openFile(String? url, String fileName) async {
+    if (url == null || url.isEmpty) {
+      _showErrorSnackBar('URL do ficheiro não disponível');
+      return;
+    }
+
+    try {
+      print('Opening file: $fileName');
+      print('URL: $url');
+      final uri = Uri.parse(url);
+
+      final launched = await launchUrl(
+        uri,
+        mode: LaunchMode.externalApplication,
+      );
+
+      if (!launched) {
+        _showErrorSnackBar('Não foi possível abrir o ficheiro');
+      }
+    } catch (e) {
+      print('Error opening file: $e');
+      _showErrorSnackBar('Erro ao abrir ficheiro: $e');
+    }
+  }
+
   Widget _buildMaterialCard({
     required String docId,
     required String fileName,
@@ -893,14 +919,24 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
             fontSize: 13,
           ),
         ),
-        trailing: IconButton(
-          icon: const Icon(Icons.delete_outline, color: Colors.red),
-          tooltip: 'Eliminar',
-          onPressed: () => _showDeleteConfirmation(
-            docId: docId,
-            fileName: fileName,
-            url: url,
-          ),
+        trailing: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            IconButton(
+              icon: const Icon(Icons.visibility_outlined, color: Colors.blue),
+              tooltip: 'Ver',
+              onPressed: () => _openFile(url, fileName),
+            ),
+            IconButton(
+              icon: const Icon(Icons.delete_outline, color: Colors.red),
+              tooltip: 'Eliminar',
+              onPressed: () => _showDeleteConfirmation(
+                docId: docId,
+                fileName: fileName,
+                url: url,
+              ),
+            ),
+          ],
         ),
       ),
     );