feat: surface read-only load errors

2026-04-23 20:01:37 +07:00
parent 504f65fc5f
commit 5d2d0ac4a7
7 changed files with 491 additions and 76 deletions
--- a/lib/widgets/load_error_view.dart
+++ b/lib/widgets/load_error_view.dart
@@ -0,0 +1,114 @@
+import 'package:flutter/material.dart';
+
+class LoadErrorView extends StatelessWidget {
+  final String title;
+  final String? message;
+  final VoidCallback onRetry;
+  final IconData icon;
+
+  const LoadErrorView({
+    super.key,
+    required this.title,
+    required this.onRetry,
+    this.message,
+    this.icon = Icons.wifi_off_rounded,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.all(24),
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Icon(icon, size: 64, color: Colors.deepOrange),
+            const SizedBox(height: 16),
+            Text(
+              title,
+              textAlign: TextAlign.center,
+              style: const TextStyle(color: Colors.white70, fontSize: 16),
+            ),
+            if (message != null) ...[
+              const SizedBox(height: 8),
+              Text(
+                message!,
+                textAlign: TextAlign.center,
+                style: const TextStyle(color: Colors.white38, fontSize: 12),
+              ),
+            ],
+            const SizedBox(height: 16),
+            FilledButton.icon(
+              onPressed: onRetry,
+              icon: const Icon(Icons.refresh),
+              label: const Text('Повторить'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class LoadErrorBanner extends StatelessWidget {
+  final String title;
+  final String? message;
+  final VoidCallback onRetry;
+
+  const LoadErrorBanner({
+    super.key,
+    required this.title,
+    required this.onRetry,
+    this.message,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      margin: const EdgeInsets.fromLTRB(12, 4, 12, 12),
+      padding: const EdgeInsets.all(12),
+      decoration: BoxDecoration(
+        color: Colors.deepOrange.withValues(alpha: 0.14),
+        borderRadius: BorderRadius.circular(8),
+        border: Border.all(color: Colors.deepOrange.withValues(alpha: 0.35)),
+      ),
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          const Icon(
+            Icons.warning_amber_rounded,
+            color: Colors.deepOrange,
+            size: 20,
+          ),
+          const SizedBox(width: 10),
+          Expanded(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(
+                  title,
+                  style: const TextStyle(
+                    color: Colors.white70,
+                    fontWeight: FontWeight.w600,
+                  ),
+                ),
+                if (message != null) ...[
+                  const SizedBox(height: 4),
+                  Text(
+                    message!,
+                    style: const TextStyle(color: Colors.white38, fontSize: 12),
+                  ),
+                ],
+              ],
+            ),
+          ),
+          IconButton(
+            tooltip: 'Повторить',
+            onPressed: onRetry,
+            icon: const Icon(Icons.refresh),
+          ),
+        ],
+      ),
+    );
+  }
+}