ajout bouton tri dans page favoris

MusiLib/MusiLib/Views/Favoris.xaml

@@ -56,16 +56,17 @@
                     TextChanged="SearchBar_TextChanged"
                     />
 
-        <Image Grid.Row="0" Grid.Column="2"
+            <ImageButton Grid.Row="0" Grid.Column="2"
                     Source="tri.png"
                     WidthRequest="60"
                     HeightRequest="60"
                     VerticalOptions="Start"
                     HorizontalOptions="Center"
                     Margin="100,3,0,0"
+                    Clicked="TriButton_Clicked"
                     />
 
-        <ImageButton Grid.Row="0" Grid.Column="3"
+            <ImageButton Grid.Row="0" Grid.Column="3"
                     Source="etoile.png"
                     WidthRequest="50"
                     HeightRequest="50"

MusiLib/MusiLib/Views/Favoris.xaml.cs

@@ -11,12 +11,14 @@ public partial class Favoris : ContentPage, IAllowClick
 
     private List<Partition> partitionsInitiales;
     private List<Partition> partitionsFiltrees;
+    private Trier trieur;
 
     public Favoris()
 	{
 		InitializeComponent();
         partitionsInitiales = MyManager.favoris.ToList();
         partitionsFiltrees = new List<Partition>(partitionsInitiales);
+        trieur = new Trier(MyManager.favoris.ToList());
         chargerFavoris();
     }
 
@@ -123,6 +125,72 @@ public partial class Favoris : ContentPage, IAllowClick
         chargerFavoris();
     }
 
+    private async void TriButton_Clicked(object sender, EventArgs e)
+    {
+        var action = await DisplayActionSheet("Trier par", "Annuler", null, "Type", "Difficulté", "Ordre alphabétique", "Réinitialiser");
+
+        switch (action)
+        {
+            case "Type":
+                await TrierParTypeButton();
+                break;
+            case "Difficulté":
+                await TrierParDifficulteButton();
+                break;
+            case "Ordre alphabétique":
+                await TrierParOrdreAlphabetiqueButton();
+                break;
+            case "Réinitialiser":
+                ReinitialiserButton();
+                break;
+        }
+
+    }
+
+
+    private async Task TrierParTypeButton()
+    {
+        var action = await DisplayActionSheet("Trier par", "Annuler", null, "Batterie", "Guitare", "Piano");
+
+        if (action == "Annuler")
+            return;
+
+        var partitionsTriees = trieur.TrierParInstrument(action);
+        partitionsFiltrees = new List<Partition>(partitionsTriees);
+        chargerFavoris();
+    }
+
+    private async Task TrierParDifficulteButton()
+    {
+        var action = await DisplayActionSheet("Trier par", "Annuler", null, "Facile", "Moyen", "Difficile");
+
+        if (action == "Annuler")
+            return;
+
+        var partitionsTriees = trieur.TrierParComplexite(action);
+        partitionsFiltrees = new List<Partition>(partitionsTriees);
+        chargerFavoris();
+    }
+
+    private async Task TrierParOrdreAlphabetiqueButton()
+    {
+        var action = await DisplayActionSheet("Trier par", "Annuler", null, "Croissant", "Décroissant");
+
+        if (action == "Annuler")
+            return;
+
+        var partitionsTriees = trieur.TrierParOrdreAlphabetique(action);
+        partitionsFiltrees = new List<Partition>(partitionsTriees);
+        chargerFavoris();
+    }
+
+    private void ReinitialiserButton()
+    {
+        partitionsFiltrees.Clear();
+        partitionsFiltrees.AddRange(partitionsInitiales);
+        chargerFavoris();
+    }
+
     protected override void OnAppearing()
     {
         base.OnAppearing();