Initial commit

2026-07-14 11:11:36 +08:00
commit 656499cf94
604 changed files with 119518 additions and 0 deletions
@@ -0,0 +1,75 @@
+import 'package:flutter/material.dart';
+
+class EmptyState extends StatelessWidget {
+  final IconData icon;
+  final String title;
+  final String? message;
+  final Widget? action;
+  final Color? foregroundColor;
+
+
+  final bool compact;
+
+  const EmptyState({
+    super.key,
+    this.icon = Icons.inbox_outlined,
+    required this.title,
+    this.message,
+    this.action,
+    this.foregroundColor,
+    this.compact = false,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final iconSize = compact ? 28.0 : 56.0;
+    final pad = compact ? 16.0 : 32.0;
+    final iconGap = compact ? 8.0 : 18.0;
+    final messageGap = compact ? 8.0 : 10.0;
+    final actionGap = compact ? 8.0 : 20.0;
+    final iconAlpha = compact ? 0.5 : 0.4;
+    final titleStyle = compact
+        ? theme.textTheme.bodyMedium
+        : theme.textTheme.titleMedium;
+    final messageText = message == null
+        ? null
+        : Text(
+            message!,
+            textAlign: TextAlign.center,
+            style: theme.textTheme.bodyMedium?.copyWith(
+              color:
+                  foregroundColor?.withValues(alpha: 0.72) ??
+                  theme.colorScheme.onSurfaceVariant,
+            ),
+          );
+    return Center(
+      child: Padding(
+        padding: EdgeInsets.all(pad),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Icon(
+              icon,
+              size: iconSize,
+              color: (foregroundColor ?? theme.colorScheme.onSurfaceVariant)
+                  .withValues(alpha: iconAlpha),
+            ),
+            SizedBox(height: iconGap),
+            Text(title, style: titleStyle?.copyWith(color: foregroundColor)),
+            if (messageText != null) ...[
+              SizedBox(height: messageGap),
+              compact
+                  ? messageText
+                  : ConstrainedBox(
+                      constraints: const BoxConstraints(maxWidth: 280),
+                      child: messageText,
+                    ),
+            ],
+            if (action != null) ...[SizedBox(height: actionGap), action!],
+          ],
+        ),
+      ),
+    );
+  }
+}