首页菜单支持自定义排序

Note/ViewController.swift

@@ -10,6 +10,9 @@ import UIKit
 class ViewController: UIViewController {
 
     private var tableView: UITableView!
+    private var editButton: UIBarButtonItem!
+
+    private let menuOrderKey = "homeMenuOrder"
 
     private struct MenuItem {
         let icon: String
@@ -18,18 +21,19 @@ class ViewController: UIViewController {
         let identifier: String
     }
 
-    private var menuItems: [[MenuItem]] = [
+    private let defaultMenuItems: [MenuItem] = [
-        [
+        MenuItem(icon: "tray.full", iconColor: .systemIndigo, title: "收集箱", identifier: "inbox"),
-            MenuItem(icon: "tray.full", iconColor: .systemIndigo, title: "收集箱", identifier: "inbox"),
+        MenuItem(icon: "note.text", iconColor: .systemYellow, title: "打开备忘录", identifier: "notes"),
-            MenuItem(icon: "note.text", iconColor: .systemYellow, title: "打开备忘录", identifier: "notes"),
+        MenuItem(icon: "doc.text", iconColor: .systemBlue, title: "格式化日志", identifier: "formatLog"),
-            MenuItem(icon: "doc.text", iconColor: .systemBlue, title: "格式化日志", identifier: "formatLog"),
+        MenuItem(icon: "text.alignleft", iconColor: .systemGreen, title: "格式化笔记", identifier: "formatNote"),
-            MenuItem(icon: "text.alignleft", iconColor: .systemGreen, title: "格式化笔记", identifier: "formatNote"),
+        MenuItem(icon: "folder", iconColor: .systemOrange, title: "打开文件", identifier: "files")
-            MenuItem(icon: "folder", iconColor: .systemOrange, title: "打开文件", identifier: "files")
-        ]
     ]
 
+    private var menuItems: [[MenuItem]] = []
+
     override func viewDidLoad() {
         super.viewDidLoad()
+        menuItems = [loadMenuOrder()]
         setupUI()
     }
 
@@ -44,6 +48,9 @@ class ViewController: UIViewController {
         navigationItem.largeTitleDisplayMode = .always
         view.backgroundColor = .systemGroupedBackground
 
+        editButton = UIBarButtonItem(title: "编辑", style: .plain, target: self, action: #selector(didTapEditButton))
+        navigationItem.rightBarButtonItem = editButton
+
         tableView = UITableView(frame: .zero, style: .insetGrouped)
         tableView.translatesAutoresizingMaskIntoConstraints = false
         tableView.delegate = self
@@ -59,6 +66,34 @@ class ViewController: UIViewController {
             tableView.bottomAnchor.constraint(equalTo: view.bottomAnchor)
         ])
     }
+
+    @objc private func didTapEditButton() {
+        tableView.setEditing(!tableView.isEditing, animated: true)
+        editButton.title = tableView.isEditing ? "完成" : "编辑"
+    }
+
+    private func loadMenuOrder() -> [MenuItem] {
+        guard let savedOrder = UserDefaults.standard.array(forKey: menuOrderKey) as? [String] else {
+            return defaultMenuItems
+        }
+
+        var orderedItems: [MenuItem] = []
+        for identifier in savedOrder {
+            if let item = defaultMenuItems.first(where: { $0.identifier == identifier }) {
+                orderedItems.append(item)
+            }
+        }
+
+        let remaining = defaultMenuItems.filter { item in
+            !orderedItems.contains { $0.identifier == item.identifier }
+        }
+        return orderedItems + remaining
+    }
+
+    private func saveMenuOrder() {
+        let identifiers = menuItems.flatMap { $0.map(\.identifier) }
+        UserDefaults.standard.set(identifiers, forKey: menuOrderKey)
+    }
 }
 
 extension ViewController: UITableViewDataSource {
@@ -81,16 +116,30 @@ extension ViewController: UITableViewDataSource {
         config.imageProperties.tintColor = item.iconColor
         config.imageToTextPadding = 12
         cell.contentConfiguration = config
-        cell.accessoryType = .disclosureIndicator
+        cell.accessoryType = tableView.isEditing ? .none : .disclosureIndicator
+        cell.selectionStyle = tableView.isEditing ? .none : .default
 
         return cell
     }
+
+    func tableView(_ tableView: UITableView, canMoveRowAt indexPath: IndexPath) -> Bool {
+        return true
+    }
+
+    func tableView(_ tableView: UITableView, moveRowAt sourceIndexPath: IndexPath, to destinationIndexPath: IndexPath) {
+        guard sourceIndexPath != destinationIndexPath else { return }
+
+        let item = menuItems[sourceIndexPath.section].remove(at: sourceIndexPath.row)
+        menuItems[destinationIndexPath.section].insert(item, at: destinationIndexPath.row)
+        saveMenuOrder()
+    }
 }
 
 extension ViewController: UITableViewDelegate {
 
     func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
         tableView.deselectRow(at: indexPath, animated: true)
+        guard !tableView.isEditing else { return }
 
         let item = menuItems[indexPath.section][indexPath.row]
         switch item.identifier {
@@ -112,6 +161,14 @@ extension ViewController: UITableViewDelegate {
         }
     }
 
+    func tableView(_ tableView: UITableView, editingStyleForRowAt indexPath: IndexPath) -> UITableViewCell.EditingStyle {
+        return .none
+    }
+
+    func tableView(_ tableView: UITableView, shouldIndentWhileEditingRowAt indexPath: IndexPath) -> Bool {
+        return false
+    }
+
     private func updateInboxBadge() {
         Task {
             guard let count = try? await ClipStore.shared.count(), count > 0 else {