Add Title Permission

app/Components/Permission/Manager.php

@@ -10,17 +10,43 @@ use Spatie\Permission\Models\Permission;
 class Manager extends Component
 {
     use WithPagination;
+
+    /**
+     * Number of items per page for pagination.
+     */
     public int $perPage = 10;
+
+    /**
+     * Pagination theme (bootstrap or tailwind).
+     */
     protected string $paginationTheme = 'bootstrap';
 
-    public string $mode = 'index';      // 'index' hoặc 'form'
-    public ?int  $editingId = null;     // id đang edit
-    public string $search = '';         // search query
-    public string $name = '';           // dùng cho form
+    /**
+     * Current UI mode: 'index' (list view) or 'form' (create/edit view).
+     */
+    public string $mode = 'index';
+
+    /**
+     * ID of the permission currently being edited.
+     * Null when creating a new permission.
+     */
+    public ?int $editingId = null;
+
+    /**
+     * Current search query string.
+     */
+    public string $search = '';
 
-    // Khi sự kiện 'permissionSaved' được dispatch, gọi showIndex()
+    /**
+     * Permission name used in the create/edit form.
+     */
+    public string $name = '';
+
+    /**
+     * Handle internal Livewire event to switch back to the index (list) view.
+     */
     #[On('permissionSaved')]
-    public function showIndex()
+    public function showIndex(): void
     {
         $this->mode      = 'index';
         $this->resetPage();
@@ -28,14 +54,24 @@ class Manager extends Component
         $this->editingId = null;
     }
 
-    // Khi $search đã được cập nhật, reset pagination về trang 1
-    public function updatedSearch($value)
+    /**
+     * Reset pagination whenever the search term changes.
+     *
+     * @param  string  $value
+     * @return void
+     */
+    public function updatedSearch(string $value): void
     {
         $this->resetPage();
     }
 
-    // Chuyển sang form (create/edit)
-    public function showForm(int $id = null)
+    /**
+     * Switch to the form view for creating or editing a permission.
+     *
+     * @param  int|null  $id  Permission ID to edit, or null to create new.
+     * @return void
+     */
+    public function showForm(?int $id = null): void
     {
         $this->mode      = 'form';
         $this->editingId = $id;
@@ -44,42 +80,88 @@ class Manager extends Component
             : '';
     }
 
-    // Xóa
-    public function delete(int $id)
+    /**
+     * Delete a permission by its ID.
+     *
+     * @param  int  $id
+     * @return void
+     */
+    public function delete(int $id): void
     {
         Permission::findOrFail($id)->delete();
         session()->flash('message', 'Permission deleted.');
         $this->resetPage();
     }
 
-    // Lưu form
-    public function save()
+    /**
+     * Validate and save the permission (create or update).
+     *
+     * @return void
+     */
+    public function save(): void
     {
-        $rules = [
-            'name' => 'required|string|unique:permissions,name'
-                . ($this->editingId ? ",{$this->editingId}" : '')
-        ];
+        $uniqueRule = 'unique:permissions,name'
+            . ($this->editingId ? ',' . $this->editingId : '');
 
-        $this->validate($rules);
+        $this->validate([
+            'name' => "required|string|{$uniqueRule}",
+        ]);
 
         Permission::updateOrCreate(
-            ['id' => $this->editingId],
+            ['id'   => $this->editingId],
             ['name' => $this->name]
         );
 
         session()->flash('message', 'Permission saved.');
 
-        // Gọi sự kiện nội bộ Livewire 3
+        // Trigger internal Livewire event to return to the list view
         $this->dispatch('permissionSaved');
     }
 
-    // Render view
+    /**
+     * Compute dynamic browser title based on current mode and editing state.
+     *
+     * @return string
+     */
+    protected function computeTitle(): string
+    {
+        if ($this->mode === 'index') {
+            return 'Permissions';
+        }
+
+        if ($this->mode === 'form' && $this->editingId) {
+            return "Edit Permission: {$this->name}";
+        }
+
+        return 'Create Permission';
+    }
+
+    /**
+     * Expose computed title as a Livewire property.
+     *
+     * @return string
+     */
+    public function getTitleProperty(): string
+    {
+        return $this->computeTitle();
+    }
+
+    /**
+     * Render the component view with paginated permissions and dynamic title.
+     *
+     * @return \Illuminate\View\View
+     */
     public function render()
     {
-        $permissions = Permission::where('name', 'like', "%{$this->search}%")
+        $permissions = Permission::query()
+            ->when($this->search, fn($q) => $q->where('name', 'like', "%{$this->search}%"))
             ->orderByDesc('id')
             ->paginate($this->perPage);
 
-        return view('components.permission.manager', compact('permissions'));
+        return view('components.permission.manager', [
+            'permissions' => $permissions,
+            // Blade can now access {{ $title }} via the computed property
+            'title'       => $this->title,
+        ]);
     }
 }

resources/views/components/permission/manager.blade.php

@@ -3,7 +3,8 @@
         <div class="card mb-4">
             {{-- Header --}}
             <div class="card-header d-flex justify-content-between align-items-center pb-0">
-                <h6 class="mb-0">Permissions</h6>
+                {{-- Tiêu đề động --}}
+                <h6 class="mb-0">{{ $title }}</h6>
 
                 @if ($mode === 'index')
                     <div class="d-flex align-items-center">
@@ -66,14 +67,14 @@
                         </table>
                     </div>
 
-                    {{-- Phân trang chỉ khi >1 trang --}}
+                    {{-- Phân trang --}}
                     <div class="mt-3">
                         @if ($permissions->lastPage() > 1)
                             {{ $permissions->links() }}
                         @endif
                     </div>
                 @else
-                    {{-- Form (không lồng thêm card) --}}
+                    {{-- Form --}}
                     <h6 class="mb-3">{{ $editingId ? 'Edit Permission' : 'Create Permission' }}</h6>
                     <form wire:submit.prevent="save">
                         <div class="mb-3">
@@ -94,8 +95,14 @@
                         </div>
                     </form>
                 @endif
-
             </div>
         </div>
     </div>
+
+    {{-- Livewire sẽ chèn và chạy block này sau mỗi lần component render xong --}}
+    @script
+        <script>
+            document.title = @json($title);
+        </script>
+    @endscript
 </div>

resources/views/layouts/app.blade.php

@@ -1,11 +1,12 @@
 <!DOCTYPE html>
 <html lang="{{ str_replace('_', '-', app()->getLocale()) }}">
+
 <head>
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <meta name="csrf-token" content="{{ csrf_token() }}">
 
-    <title>{{ $title ?? 'Admin Page' }}</title>
+    <title>{{ $title ?? 'Laravel' }}</title>
 
     {{-- Favicons --}}
     <link rel="apple-touch-icon" sizes="76x76" href="{{ asset('soft-ui/assets/img/apple-icon.png') }}">
@@ -64,8 +65,13 @@
 
     {{-- Livewire Scripts --}}
     @livewireScripts
-
+    <script>
+        window.addEventListener('set-title', event => {
+            document.title = event.detail.title;
+        });
+    </script>
     {{-- Page-specific JS --}}
     @stack('scripts')
 </body>
+
 </html>