feat: 实现导航页基础功能

- 添加导航条目和分类数据模型 - 实现导航卡片网格展示 - 支持点击卡片打开链接 - 添加主题样式（渐变色、卡片阴影） - 区分系统默认和自定义条目 - 添加分类统计信息"
2026-09-19 21:53:15 +08:00
parent e2cc3ac30f
commit 1c98340fc5
42 changed files with 6054 additions and 140 deletions
@@ -0,0 +1,91 @@
+import 'package:flutter/material.dart';
+
+import '../../../../core/constants/app_sizes.dart';
+import '../../../../core/theme/app_colors.dart';
+import '../../../../core/theme/app_text_styles.dart';
+import 'dialog_buttons.dart';
+
+/// 通用确认框，返回 true 表示用户点了确认。
+///
+/// [danger] 为 true 时确认按钮用错误色，用在删除这类不可逆操作上。
+Future<bool> showConfirmDialog({
+  required BuildContext context,
+  required String title,
+  required String message,
+  required String confirmLabel,
+  String cancelLabel = '取消',
+  bool danger = false,
+}) async {
+  final bool? confirmed = await showDialog<bool>(
+    context: context,
+    barrierColor: const Color(0x73111827),
+    builder: (BuildContext context) => _ConfirmDialog(
+      title: title,
+      message: message,
+      confirmLabel: confirmLabel,
+      cancelLabel: cancelLabel,
+      danger: danger,
+    ),
+  );
+  return confirmed ?? false;
+}
+
+class _ConfirmDialog extends StatelessWidget {
+  const _ConfirmDialog({
+    required this.title,
+    required this.message,
+    required this.confirmLabel,
+    required this.cancelLabel,
+    required this.danger,
+  });
+
+  final String title;
+  final String message;
+  final String confirmLabel;
+  final String cancelLabel;
+  final bool danger;
+
+  @override
+  Widget build(BuildContext context) {
+    return Dialog(
+      backgroundColor: Colors.transparent,
+      elevation: 0,
+      insetPadding: const EdgeInsets.all(AppSizes.dialogPadding),
+      child: Container(
+        constraints: const BoxConstraints(maxWidth: 360),
+        decoration: BoxDecoration(
+          color: AppColors.surface,
+          border: Border.all(color: AppColors.border),
+          borderRadius: BorderRadius.circular(AppSizes.cardRadius),
+          boxShadow: AppColors.cardShadowHover,
+        ),
+        padding: const EdgeInsets.all(AppSizes.dialogPadding),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: <Widget>[
+            Text(title, style: AppTextStyles.sectionTitle),
+            const SizedBox(height: AppSizes.spaceSm),
+            Text(message, style: AppTextStyles.emptyMessage),
+            const SizedBox(height: AppSizes.spaceXl),
+            Row(
+              mainAxisAlignment: MainAxisAlignment.end,
+              children: <Widget>[
+                DialogGhostButton(
+                  label: cancelLabel,
+                  onTap: () => Navigator.of(context).pop(false),
+                ),
+                const SizedBox(width: AppSizes.spaceMd),
+                DialogPrimaryButton(
+                  label: confirmLabel,
+                  danger: danger,
+                  onTap: () => Navigator.of(context).pop(true),
+                ),
+              ],
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}