chore: prepare yanting monorepo handoff

2026-06-03 10:39:03 +09:00
commit fde51468c6
106 changed files with 8171 additions and 0 deletions
@@ -0,0 +1,135 @@
+import 'package:flutter/material.dart';
+
+import '../theme/wise_tokens.dart';
+import 'app_buttons.dart';
+import 'app_card.dart';
+
+class LoadingState extends StatelessWidget {
+  const LoadingState({this.label = '正在加载研报解读', super.key});
+
+  final String label;
+
+  @override
+  Widget build(BuildContext context) {
+    return ListView.separated(
+      padding: const EdgeInsets.all(WiseSpacing.x4),
+      itemCount: 4,
+      separatorBuilder: (_, _) => const SizedBox(height: WiseSpacing.x3),
+      itemBuilder: (context, index) => const SkeletonCard(),
+    );
+  }
+}
+
+class SkeletonCard extends StatelessWidget {
+  const SkeletonCard({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return AppCard(
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: const [
+          SkeletonLine(width: 96),
+          SizedBox(height: WiseSpacing.x3),
+          SkeletonLine(width: double.infinity, height: 18),
+          SizedBox(height: WiseSpacing.x2),
+          SkeletonLine(width: 240),
+          SizedBox(height: WiseSpacing.x3),
+          SkeletonLine(width: 160),
+        ],
+      ),
+    );
+  }
+}
+
+class SkeletonLine extends StatelessWidget {
+  const SkeletonLine({required this.width, this.height = 12, super.key});
+
+  final double width;
+  final double height;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: width,
+      height: height,
+      decoration: BoxDecoration(
+        color: WiseColors.border,
+        borderRadius: BorderRadius.circular(WiseRadius.pill),
+      ),
+    );
+  }
+}
+
+class EmptyState extends StatelessWidget {
+  const EmptyState({
+    required this.title,
+    required this.message,
+    this.icon = Icons.search_off,
+    this.actionLabel,
+    this.onAction,
+    super.key,
+  });
+
+  final String title;
+  final String message;
+  final IconData icon;
+  final String? actionLabel;
+  final VoidCallback? onAction;
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.all(WiseSpacing.x6),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Icon(icon, size: 42, color: WiseColors.primary),
+            const SizedBox(height: WiseSpacing.x3),
+            Text(title, style: Theme.of(context).textTheme.titleMedium),
+            const SizedBox(height: WiseSpacing.x2),
+            Text(
+              message,
+              textAlign: TextAlign.center,
+              style: Theme.of(context).textTheme.bodyMedium,
+            ),
+            if (actionLabel != null) ...[
+              const SizedBox(height: WiseSpacing.x4),
+              AppButton(label: actionLabel!, onPressed: onAction, kind: AppButtonKind.ghost),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class ErrorState extends StatelessWidget {
+  const ErrorState({required this.message, this.onRetry, super.key});
+
+  final String message;
+  final VoidCallback? onRetry;
+
+  @override
+  Widget build(BuildContext context) {
+    return EmptyState(
+      icon: Icons.cloud_off_outlined,
+      title: '内容暂时加载失败',
+      message: message,
+      actionLabel: onRetry == null ? null : '重试',
+      onAction: onRetry,
+    );
+  }
+}
+
+void showAppToast(BuildContext context, String message) {
+  ScaffoldMessenger.of(context).showSnackBar(
+    SnackBar(
+      content: Text(message),
+      behavior: SnackBarBehavior.floating,
+      backgroundColor: WiseColors.primary,
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(WiseRadius.md)),
+    ),
+  );
+}