On peut supprimer 🗑️ des elements maintenant

CetteAppliVaMarcher/CetteAppliVaMarcher/App.razor

@@ -1,4 +1,5 @@
-<Router AppAssembly="@typeof(App).Assembly">
+<CascadingBlazoredModal>
+    <Router AppAssembly="@typeof(App).Assembly">
         <Found Context="routeData">
             <RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
             <FocusOnNavigate RouteData="@routeData" Selector="h1" />
@@ -9,4 +10,5 @@
                 <p role="alert">Sorry, there's nothing at this address.</p>
             </LayoutView>
         </NotFound>
-</Router>
+    </Router>
+</CascadingBlazoredModal>

CetteAppliVaMarcher/CetteAppliVaMarcher/CetteAppliVaMarcher.csproj

@@ -8,6 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Blazored.LocalStorage" Version="4.2.0" />
+    <PackageReference Include="Blazored.Modal" Version="7.1.0" />
     <PackageReference Include="Blazorise.Bootstrap" Version="1.1.2" />
     <PackageReference Include="Blazorise.DataGrid" Version="1.1.2" />
     <PackageReference Include="Blazorise.Icons.FontAwesome" Version="1.1.2" />

CetteAppliVaMarcher/CetteAppliVaMarcher/Modals/DeleteConfirmation.razor

@@ -0,0 +1,10 @@
+<div class="simple-form">
+    
+    <p>
+        Are you sure you want to delete @item.DisplayName ?
+    </p>
+
+    <button @onclick="ConfirmDelete" class="btn btn-primary">Delete</button>
+
+    <button @onclick="Cancel" class="btn btn-secondary">Cancel</button>
+</div>

CetteAppliVaMarcher/CetteAppliVaMarcher/Modals/DeleteConfirmation.razor.cs

@@ -0,0 +1,38 @@
+using Blazored.Modal;
+using Blazored.Modal.Services;
+using CetteAppliVaMarcher.Models;
+using CetteAppliVaMarcher.Services;
+using Microsoft.AspNetCore.Components;
+
+namespace CetteAppliVaMarcher.Modals
+{
+    public partial class DeleteConfirmation
+    {
+        [CascadingParameter]
+        public BlazoredModalInstance ModalInstance { get; set; }
+
+        [Inject]
+        public IDataService DataService { get; set; }
+
+        [Parameter]
+        public int Id { get; set; }
+
+        private Item item = new Item();
+
+        protected override async Task OnInitializedAsync()
+        {
+            // Get the item
+            item = await DataService.GetById(Id);
+        }
+
+        void ConfirmDelete()
+        {
+            ModalInstance.CloseAsync(ModalResult.Ok(true));
+        }
+
+        void Cancel()
+        {
+            ModalInstance.CancelAsync();
+        }
+    }
+}

CetteAppliVaMarcher/CetteAppliVaMarcher/Pages/List.razor

@@ -47,6 +47,7 @@
     <DataGridColumn TItem="Item" Field="@nameof(Item.Id)" Caption="Action">
         <DisplayTemplate>
             <a href="Edit/@(context.Id)" class="btn btn-primary"><i class="fa fa-edit"></i> Editer</a>
+            <button type="button" class="btn btn-primary" @onclick="() => OnDelete(context.Id)"><i class="fa fa-trash"></i> Supprimer</button>
         </DisplayTemplate>
     </DataGridColumn>
 </DataGrid>

CetteAppliVaMarcher/CetteAppliVaMarcher/Pages/List.razor.cs

@@ -1,5 +1,8 @@
 using Blazored.LocalStorage;
+using Blazored.Modal;
+using Blazored.Modal.Services;
 using Blazorise.DataGrid;
+using CetteAppliVaMarcher.Modals;
 using CetteAppliVaMarcher.Models;
 using CetteAppliVaMarcher.Services;
 using Microsoft.AspNetCore.Components;
@@ -18,6 +21,12 @@ namespace CetteAppliVaMarcher.Pages
         [Inject]
         public IWebHostEnvironment WebHostEnvironment { get; set; }
        
+        [Inject]
+        public NavigationManager NavigationManager { get; set; }
+
+        [CascadingParameter]
+        public IModalService Modal { get; set; }
+
         private async Task OnReadData(DataGridReadDataEventArgs<Item> e)
         {
             if (e.CancellationToken.IsCancellationRequested)
@@ -31,5 +40,24 @@ namespace CetteAppliVaMarcher.Pages
                 totalItem = await DataService.Count();
             }
         }
+        private async void OnDelete(int id)
+        {
+            var parameters = new ModalParameters();
+            parameters.Add(nameof(Item.Id), id);
+
+            var modal = Modal.Show<DeleteConfirmation>("Delete Confirmation", parameters);
+            var result = await modal.Result;
+
+            if (result.Cancelled)
+            {
+                return;
+            }
+
+            await DataService.Delete(id);
+
+            // Reload the page
+            NavigationManager.NavigateTo("list", true);
+        }
+
     }
 }

CetteAppliVaMarcher/CetteAppliVaMarcher/Pages/_Layout.cshtml

@@ -32,6 +32,9 @@
 
     <link href="_content/Blazorise/blazorise.css" rel="stylesheet" />
     <link href="_content/Blazorise.Bootstrap/blazorise.bootstrap.css" rel="stylesheet" />
+    <link href="_content/Blazored.Modal/blazored-modal.css" rel="stylesheet" />
+
+    <script src="_content/Blazored.Modal/blazored.modal.js"></script>
 
 </body>
 </html>

CetteAppliVaMarcher/CetteAppliVaMarcher/Program.cs

@@ -6,6 +6,7 @@ using Blazored.LocalStorage;
 using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Web;
 using CetteAppliVaMarcher.Services;
+using Blazored.Modal;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -21,6 +22,7 @@ builder.Services
    .AddFontAwesomeIcons();
 builder.Services.AddScoped<IDataService, DataLocalService>();
 builder.Services.AddBlazoredLocalStorage();
+builder.Services.AddBlazoredModal();
 
 var app = builder.Build();
 

CetteAppliVaMarcher/CetteAppliVaMarcher/Services/DataLocalService.cs

@@ -133,6 +133,29 @@ namespace CetteAppliVaMarcher.Services
             // Modify the content of the item
             ItemFactory.Update(item, model);
 
+            // Save the data
+            await _localStorage.SetItemAsync("data", currentData);
+        }
+        public async Task Delete(int id)
+        {
+            // Get the current data
+            var currentData = await _localStorage.GetItemAsync<List<Item>>("data");
+
+            // Get the item int the list
+            var item = currentData.FirstOrDefault(w => w.Id == id);
+
+            // Delete item in
+            currentData.Remove(item);
+
+            // Delete the image
+            var imagePathInfo = new DirectoryInfo($"{_webHostEnvironment.WebRootPath}/images");
+            var fileName = new FileInfo($"{imagePathInfo}/{item.Name}.png");
+
+            if (fileName.Exists)
+            {
+                File.Delete(fileName.FullName);
+            }
+
             // Save the data
             await _localStorage.SetItemAsync("data", currentData);
         }

CetteAppliVaMarcher/CetteAppliVaMarcher/Services/IDataServices.cs

@@ -9,5 +9,6 @@ namespace CetteAppliVaMarcher.Services
         Task<List<Item>> List(int currentPage, int pageSize);
         Task<Item> GetById(int id);
         Task Update(int id, ItemModel model);
+        Task Delete(int id);
     }
 }

CetteAppliVaMarcher/CetteAppliVaMarcher/_Imports.razor

@@ -9,3 +9,5 @@
 @using CetteAppliVaMarcher
 @using CetteAppliVaMarcher.Shared
 @using Blazorise.DataGrid
+@using Blazored.Modal
+@using Blazored.Modal.Services