From 365fc74cb7d2e1ba39f0e808870196932b91aafa Mon Sep 17 00:00:00 2001
From: etudiant <Najlae.LAMBARAA@etu.uca.fr>
Date: Fri, 23 Jun 2023 15:53:37 +0200
Subject: [PATCH] Add Toolkit

---
 .../View/ModelViewPage/ChampionDetailViewM.cs |  6 +-
 Sources/View/ModelViewPage/ChampionsViewM.cs  | 48 ++--------
 .../View/ModelViewPage/EditChampionViewM.cs   | 14 ++-
 Sources/View/Page/ChampionsView.xaml          |  6 +-
 Sources/View/View.csproj                      |  1 +
 Sources/ViewModels/ViewM/ChampionManagerVM.cs | 87 +++++++------------
 Sources/ViewModels/ViewM/ChampionVm.cs        | 41 ++-------
 Sources/ViewModels/ViewM/EditChampionVm.cs    | 79 +++--------------
 Sources/ViewModels/ViewModels.csproj          |  3 +
 9 files changed, 72 insertions(+), 213 deletions(-)

diff --git a/Sources/View/ModelViewPage/ChampionDetailViewM.cs b/Sources/View/ModelViewPage/ChampionDetailViewM.cs
index b5f399d..dc0efb4 100644
--- a/Sources/View/ModelViewPage/ChampionDetailViewM.cs
+++ b/Sources/View/ModelViewPage/ChampionDetailViewM.cs
@@ -1,21 +1,21 @@
 using System;
+using CommunityToolkit.Mvvm.Input;
 using View.Page;
 using ViewModels;
 
 namespace View.ModelViewPage
 {
-	public class ChampionDetailViewM
+	public partial class ChampionDetailViewM
 	{
         public ChampionDetailViewM(ChampionManagerVM manager, ChampionVm championVm)
         {
             ChampionVM = championVm;
-            EditChampionCommand = new Command(EditChampion);
             Manager = manager;
         }
         public ChampionVm ChampionVM { get; }
         private ChampionManagerVM Manager;
-        public Command EditChampionCommand { get; }
 
+        [RelayCommand]
         private async void EditChampion()
         {
             await Shell.Current.Navigation.PushAsync(new AddChampionPage(new EditChampionViewM(Manager, new EditChampionVm(ChampionVM), ChampionVM)));
diff --git a/Sources/View/ModelViewPage/ChampionsViewM.cs b/Sources/View/ModelViewPage/ChampionsViewM.cs
index 5059e98..e775883 100644
--- a/Sources/View/ModelViewPage/ChampionsViewM.cs
+++ b/Sources/View/ModelViewPage/ChampionsViewM.cs
@@ -5,70 +5,34 @@ using Model;
 using System.Windows.Input;
 using static StubLib.StubData;
 using System.Collections.ObjectModel;
+using CommunityToolkit.Mvvm.Input;
 
 namespace View.ModelViewPage
 {
-	public class ChampionsViewM
+	public partial class ChampionsViewM
 	{
-        public Command NextPageCommand { get; private set; }
-        public Command PreviousPageCommand { get; }
-        public Command EditChampionCommand { get; }
         public ChampionManagerVM championManagerVm { get; }
-        public Command DeleteChampionCommand { get; private set; }
         
 
         public ChampionsViewM(ChampionManagerVM championManager)
 
         {
             championManagerVm = championManager;
-            PushToDetailCommand = new Command<ChampionVm>(PushToDetail);
-            DeleteChampionCommand = new Command<ChampionVm>(async (ChampionVm obj) => await championManagerVm.DeleteChampion(obj));
-            NextPageCommand = new Command(NextPage, CanExecuteNext);
-            PreviousPageCommand = new Command(PreviousPage, CanExecutePrevious);
-            AddChampionCommand = new Command(Addchampion);
-            EditChampionCommand = new Command<ChampionVm>(EditChampion);
-
-        }
-        private void NextPage()
-        {
-            championManagerVm.Index++;
-            RefreshCanExecute();
-
-        }
-        private void PreviousPage()
-        {
-            championManagerVm.Index--;
-            RefreshCanExecute();
-        }
-        private bool CanExecutePrevious()
-        {
-            return championManagerVm.Index > 1;
-        }
-        private bool CanExecuteNext()
-        {
-            var val = (this.championManagerVm.Index) < this.championManagerVm.PageTotale;
-            return val;
         }
-        void RefreshCanExecute()
-        {
-
-            PreviousPageCommand.ChangeCanExecute();
-            NextPageCommand.ChangeCanExecute();
-        }
-
-        public Command PushToDetailCommand { get; }
-        public Command AddChampionCommand { get; }
 
+        [RelayCommand]
         private void PushToDetail(ChampionVm champion)
         {
             Shell.Current.Navigation.PushAsync(new DetailChampion(new ChampionDetailViewM(championManagerVm, champion)));
         }
 
-        private void Addchampion()
+        [RelayCommand]
+        private void AddChampion()
         {
             Shell.Current.Navigation.PushAsync(page: new AddChampionPage(new EditChampionViewM(championManagerVm, new EditChampionVm(null), null)));
         }
 
+        [RelayCommand]
         private async void EditChampion(ChampionVm championVM)
         {
             await Shell.Current.Navigation.PushAsync(new AddChampionPage(new EditChampionViewM(championManagerVm, new EditChampionVm(championVM), championVM)));
diff --git a/Sources/View/ModelViewPage/EditChampionViewM.cs b/Sources/View/ModelViewPage/EditChampionViewM.cs
index b6cecb9..ff9a344 100644
--- a/Sources/View/ModelViewPage/EditChampionViewM.cs
+++ b/Sources/View/ModelViewPage/EditChampionViewM.cs
@@ -1,23 +1,19 @@
 using System;
 using System.Collections.ObjectModel;
+using CommunityToolkit.Mvvm.Input;
 using Model;
 using ViewModels;
 
 namespace View.ModelViewPage
 {
-	public class EditChampionViewM
+	public partial class EditChampionViewM
 	{
-        public Command PickIconCommand { get; }
-        public Command PickImageCommand { get; }
 
         public EditChampionViewM(ChampionManagerVM manager, EditChampionVm aditableChampion,ChampionVm championVM)
         {
             Manager = manager;
             EditableChampion = aditableChampion;
             ChampionVM = championVM;
-            SaveChampionCommand = new Command(SaveChampion);
-            PickIconCommand = new Command(async () => await PickIcon());
-            PickImageCommand = new Command(async () => await PickImage());
             Title = aditableChampion.IsNew ? "Create" : "Update";
         }
 
@@ -28,9 +24,8 @@ namespace View.ModelViewPage
         private ChampionVm ChampionVM;
        
 
-        public Command SaveChampionCommand { get; }
-       
 
+        [RelayCommand]
         private async void SaveChampion()
         {
             Manager.SaveChampion(EditableChampion, ChampionVM);
@@ -40,9 +35,9 @@ namespace View.ModelViewPage
         {
             get => Characteristics;
         }
-       
 
 
+        [RelayCommand]
         private async Task PickIcon()
         {
             var result = await FilePicker.PickAsync(new PickOptions
@@ -60,6 +55,7 @@ namespace View.ModelViewPage
             }
         }
 
+        [RelayCommand]
         private async Task PickImage()
         {
             var result = await FilePicker.PickAsync(new PickOptions
diff --git a/Sources/View/Page/ChampionsView.xaml b/Sources/View/Page/ChampionsView.xaml
index e235e4d..d8da538 100644
--- a/Sources/View/Page/ChampionsView.xaml
+++ b/Sources/View/Page/ChampionsView.xaml
@@ -47,7 +47,7 @@
                                            
                                             <SwipeItem Text="Supprimer"
                                                        BackgroundColor="Red"
-                                                       Command="{Binding Source={RelativeSource AncestorType={x:Type vm:ChampionsViewM}}, Path=DeleteChampionCommand} "
+                                                       Command="{Binding Source={RelativeSource AncestorType={x:Type vm:ChampionsViewM}}, Path=championManagerVm.DeleteChampionCommand} "
                                                        CommandParameter="{Binding .}" />
                                                     </SwipeItems>
                                         </SwipeView.RightItems>                          
@@ -82,11 +82,11 @@
                 </Grid.RowDefinitions>
                 <HorizontalStackLayout >
                   
-                    <Button Text="L" HeightRequest="12 " WidthRequest="12" Padding="15" Command="{Binding  PreviousPageCommand}"/>
+                    <Button Text="L" HeightRequest="12 " WidthRequest="12" Padding="15" Command="{Binding  championManagerVm.PreviousPageCommand}"/>
                    
               
                     <Button Text="R"  HeightRequest="12 " Padding="10" WidthRequest="12" 
-                        Command="{Binding NextPageCommand}" />
+                        Command="{Binding championManagerVm.NextPageCommand}" />
          
 
                     </HorizontalStackLayout>
diff --git a/Sources/View/View.csproj b/Sources/View/View.csproj
index e28c9f6..9003d1e 100644
--- a/Sources/View/View.csproj
+++ b/Sources/View/View.csproj
@@ -57,6 +57,7 @@
 	<ItemGroup>
 		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="7.0.0" />
 		<PackageReference Include="CommunityToolkit.Maui" Version="5.2.0" />
+		<PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.0" />
 	</ItemGroup>
 
 	<ItemGroup>
diff --git a/Sources/ViewModels/ViewM/ChampionManagerVM.cs b/Sources/ViewModels/ViewM/ChampionManagerVM.cs
index d40e517..b8ff59e 100644
--- a/Sources/ViewModels/ViewM/ChampionManagerVM.cs
+++ b/Sources/ViewModels/ViewM/ChampionManagerVM.cs
@@ -3,27 +3,21 @@ using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
 using System.Windows.Input;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
 using Model;
 
 
 namespace ViewModels
 {
-	public class ChampionManagerVM : INotifyPropertyChanged
+	public partial class ChampionManagerVM : ObservableObject
     {
             public ObservableCollection<ChampionVm> Champions { get; }
-            public event PropertyChangedEventHandler? PropertyChanged;
-            public ICommand NextPageCommand { get; private set; }
-            public ICommand DeleteChampionCommand { get; }
 
             public IDataManager DataManager
             {
                 get => _dataManager;
-                set
-                {
-                    if (_dataManager == value) return;
-                    _dataManager = value;
-                    OnPropertyChanged();
-                }
+                set => _dataManager = value;
             }
             private IDataManager _dataManager { get; set; }
 
@@ -34,7 +28,6 @@ namespace ViewModels
                
                 LoadChampions(index, Count).ConfigureAwait(false);
                 PropertyChanged += ChampionManagerVM_PropertyChanged;
-                PropertyChanged += ChampionManager_PropertyChanged;
                 Total = this.DataManager.ChampionsMgr.GetNbItems().Result;
             }
 
@@ -47,48 +40,21 @@ namespace ViewModels
                 }
             }
 
-            public int Index
-            {
-                get => index;
-                set
-                {
-                    if (index == value) return;
-                    index = value;
-                    OnPropertyChanged();
-                }
-            }
-            private int index;
+        [ObservableProperty]
+        [NotifyCanExecuteChangedFor(nameof(PreviousPageCommand),nameof(NextPageCommand))]
+        private int index;
 
             public int Count
             {
                 get;
                 set;
             } = 5;
+
             public int PageTotale { get { return this.total / Count + ((this.total % Count) > 0 ? 1 : 0); } }
 
-            private int total;
+        [ObservableProperty]
+        private int total;
 
-            public int Total
-            {
-                get => total;
-                private set
-                {
-                    total = value;
-                    OnPropertyChanged();
-                }
-            }
-            public int nombrepage(int GetNbItems, int count)
-            {
-                int result = GetNbItems / count;
-
-                if (result < 0) return result + 1;
-                else
-                    return result;
-            }
-            protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
-            {
-                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
-            }
 
             private async Task LoadChampions(int index, int count)
             {
@@ -102,14 +68,6 @@ namespace ViewModels
                 }
             }
 
-            private async void ChampionManager_PropertyChanged(object? sender, PropertyChangedEventArgs e)
-            {
-                if (e.PropertyName == nameof(Index))
-                {
-                    Champions.Clear();
-                    await LoadChampions(Index, Count);
-                }
-            }
 
             public async void SaveChampion(EditChampionVm editableChampionVM, ChampionVm? championVM)
             {
@@ -132,10 +90,29 @@ namespace ViewModels
 
             }
 
+        [RelayCommand(CanExecute =nameof(CanExecuteNext))]
+        private void NextPage()
+        {
+            Index++;
+
+        }
 
-           
+        [RelayCommand(CanExecute =nameof(CanExecutePrevious))]
+        private void PreviousPage()
+        {
+            Index--;
+        }
+        private bool CanExecutePrevious()
+        {
+            return Index > 1;
+        }
+        private bool CanExecuteNext()
+        {
+            var val = (this.Index) < this.PageTotale;
+            return val;
+        }
 
-            private async void updatePagination()
+        private async void updatePagination()
             {
 
 
@@ -151,6 +128,8 @@ namespace ViewModels
                 OnPropertyChanged(nameof(PageTotale));
 
             }
+
+        [RelayCommand]
         public async Task DeleteChampion(ChampionVm champion)
         {
             if (champion is null) return;
diff --git a/Sources/ViewModels/ViewM/ChampionVm.cs b/Sources/ViewModels/ViewM/ChampionVm.cs
index 384598c..ab3ed70 100644
--- a/Sources/ViewModels/ViewM/ChampionVm.cs
+++ b/Sources/ViewModels/ViewM/ChampionVm.cs
@@ -2,10 +2,11 @@
 using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
+using CommunityToolkit.Mvvm.ComponentModel;
 using Model;
 namespace ViewModels
 {
-    public class ChampionVm : INotifyPropertyChanged
+    public class ChampionVm : ObservableObject
     {
         public ChampionVm(Champion champion) => Model = champion;
 
@@ -19,10 +20,7 @@ namespace ViewModels
             get => model;
             set
             {
-                if (value.Equals(model)) return;
-                if (value == null) return;
                 model = value;
-                OnPropertyChanged();
             }
         }
 
@@ -34,43 +32,23 @@ namespace ViewModels
         public string Icon
         {
             get => Model.Icon;
-            set
-            {
-                if (model == null) return;
-                Model.Icon = value;
-                OnPropertyChanged();
-            }
+            set => SetProperty(Model.Icon, value, Model, (mod, val) => model.Icon = val);
         }
 
         public LargeImage Image
         {
             get => Model.Image;
-            set
-            {
-                if (model == null) return;
-                Model.Image = value;
-                OnPropertyChanged();
-            }
+            set=> SetProperty(Model.Image, value, Model, (mod, val) => model.Image = val);
         }
         public ChampionClass Class
         {
             get => Model.Class;
-            set
-            {
-                if (model == null) return;
-                Model.Class = value;
-                OnPropertyChanged();
-            }
+            set=> SetProperty(Model.Class, value, Model, (mod, val) => model.Class = val);
         }
         public string Bio
         {
             get => Model.Bio;
-            set
-            {
-                if (model == null) return;
-                Model.Bio = value;
-                OnPropertyChanged();
-            }
+            set=> SetProperty(Model.Bio, value, Model, (mod, val) => model.Bio = val);
         }
         private ObservableCollection<Skill> skills;
         public HashSet<Skill> Skills
@@ -83,13 +61,6 @@ namespace ViewModels
                 OnPropertyChanged();
             }
         }
-
-        public event PropertyChangedEventHandler? PropertyChanged;
-
-        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
-        {
-            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
-        }
     }
 }
 
diff --git a/Sources/ViewModels/ViewM/EditChampionVm.cs b/Sources/ViewModels/ViewM/EditChampionVm.cs
index 6ac18e9..5f43e83 100644
--- a/Sources/ViewModels/ViewM/EditChampionVm.cs
+++ b/Sources/ViewModels/ViewM/EditChampionVm.cs
@@ -2,11 +2,12 @@
 using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
+using CommunityToolkit.Mvvm.ComponentModel;
 using Model;
 
 namespace ViewModels
 {
-    public class EditChampionVm : INotifyPropertyChanged
+    public partial class EditChampionVm : ObservableObject
     {
         public ChampionVm Model { get; set; }
         public EditChampionVm(ChampionVm vm)
@@ -17,7 +18,7 @@ namespace ViewModels
             icon = IsNew ? string.Empty : Model.Icon;
             _name = IsNew ? string.Empty : Model.Name;
             image = IsNew ? string.Empty : Model.Image.Base64;
-            _classe = IsNew ? ChampionClass.Unknown : Model.Class;
+            _class = IsNew ? ChampionClass.Unknown : Model.Class;
             ListClasses = Enum.GetValues<ChampionClass>().Where(c => c != ChampionClass.Unknown).ToArray();
         }
 
@@ -25,87 +26,31 @@ namespace ViewModels
 
         public IEnumerable<ChampionClass> ListClasses { get; }
 
+        [ObservableProperty]
         private string _name;
-        public string Name
-        {
-            get => _name;
-            set
-            {
-                if (_name == value) return;
-                _name = value;
-                OnPropertyChanged();
-            }
-        }
+
+        [ObservableProperty]
         private string icon;
 
-        public string Icon
-        {
-            get => icon;
-            set
-            {
-                if (icon == value) return;
-                icon = value;
-                OnPropertyChanged();
-            }
-        }
+        [ObservableProperty]
         private string _bio;
-        public string Bio
-        {
-            get => _bio;
-            set
-            {
-                if (_bio == value) return;
-                _bio = value;
-                OnPropertyChanged();
-            }
-        }
 
 
 
+        [ObservableProperty]
         private string image;
-        public string Image
-        {
-            get => image;
-            set
-            {
-                if (image == value) return;
-                image = value;
-                OnPropertyChanged();
-            }
-        }
 
-        private ChampionClass _classe;
-        public ChampionClass Class
-        {
-            get => _classe;
-            set
-            {
-                if (_classe == null) return;
-                _classe = value;
-                OnPropertyChanged();
-            }
-        }
+        [ObservableProperty]
+        private ChampionClass _class;
 
+        [ObservableProperty]
         private int index;
-        public int Index
-        {
-            get => index;
-            set
-            {
-                if (index == value) return;
-                index = value;
-                OnPropertyChanged();
-            }
-        }
-
-        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
-            => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        
 
         public ReadOnlyDictionary<string, int> Characteristics
         {
             get => Model.Characteristics;
         }
-        public event PropertyChangedEventHandler PropertyChanged;
 
         public void SaveChampion()
         {
diff --git a/Sources/ViewModels/ViewModels.csproj b/Sources/ViewModels/ViewModels.csproj
index c157bb6..e3f7e25 100644
--- a/Sources/ViewModels/ViewModels.csproj
+++ b/Sources/ViewModels/ViewModels.csproj
@@ -29,4 +29,7 @@
 	<ItemGroup>
 	  <ProjectReference Include="..\Model\Model.csproj" />
 	</ItemGroup>
+	<ItemGroup>
+	  <PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.0" />
+	</ItemGroup>
 </Project>