added ForceClose and ForceOpen commands

Author: AndreiMisiukevich

ContextMenu/BaseContextMenuView.cs

@@ -2,6 +2,7 @@
 using System;
 using System.Threading.Tasks;
 using System.ComponentModel;
+using System.Windows.Input;
 
 namespace ContextMenu
 {
@@ -25,6 +26,10 @@ public abstract class BaseContextMenuView : ScrollView
 
         public static readonly BindableProperty IsAutoCloseEnabledProperty = BindableProperty.Create(nameof(IsAutoCloseEnabled), typeof(bool), typeof(BaseContextMenuView), true);
 
+        public static readonly BindableProperty ForceCloseCommandProperty = BindableProperty.Create(nameof(ForceCloseCommand), typeof(ICommand), typeof(BaseContextMenuView), null, BindingMode.OneWayToSource);
+
+        public static readonly BindableProperty ForceOpenCommandProperty = BindableProperty.Create(nameof(ForceOpenCommand), typeof(ICommand), typeof(BaseContextMenuView), null, BindingMode.OneWayToSource);
+
         public event Action<BaseContextMenuView> ContextMenuOpened;
         public event Action<BaseContextMenuView> ContextMenuClosed;
         public event Action<BaseContextMenuView> TouchStarted;
@@ -50,6 +55,9 @@ protected BaseContextMenuView()
             };
 
             Scrolled += OnScrolled;
+
+            ForceCloseCommand = new Command(parameter => ForceClose(parameter is bool boolean ? boolean : true));
+            ForceOpenCommand = new Command(parameter => ForceOpen(parameter is bool boolean ? boolean : true));
         }
 
         private bool IsContextChanged { get; set; }
@@ -78,6 +86,18 @@ public bool IsAutoCloseEnabled
             set => SetValue(IsAutoCloseEnabledProperty, value);
         }
 
+        public ICommand ForceCloseCommand
+        {
+            get => (ICommand)GetValue(ForceCloseCommandProperty);
+            set => SetValue(ForceCloseCommandProperty, value);
+        }
+
+        public ICommand ForceOpenCommand
+        {
+            get => (ICommand)GetValue(ForceOpenCommandProperty);
+            set => SetValue(ForceOpenCommandProperty, value);
+        }
+
         public void ForceClose(bool animated = true)
             => ForceCloseContextMenu(this, animated);
 

ContextMenuSample/ContextMenuSample/Pages/MoveToDeletePage.xaml

@@ -26,7 +26,7 @@
         <CollectionView.ItemTemplate>
             <DataTemplate>
                 <context:SwipeActionContextHolder MovedCommand="{Binding BindingContext.DeleteCommand, Source={x:Reference CollectionView}}">
-                    <context:SwipeActionContextMenuView>
+                    <context:SwipeActionContextMenuView ForceCloseCommand="{Binding ForceCloseCommand}">
                         <context:SwipeActionContextMenuView.View>
                             <Frame BackgroundColor="#512DA8"
                                    Margin="15,5"

ContextMenuSample/ContextMenuSample/Pages/SideMenuPage.xaml

@@ -28,7 +28,8 @@
                     BackgroundColor="White">
         <CollectionView.ItemTemplate>
             <DataTemplate>
-                <context:SideContextMenuView IsAutoCloseEnabled="true">
+                <context:SideContextMenuView IsAutoCloseEnabled="true"
+                                             ForceCloseCommand="{Binding ForceCloseCommand}">
                         <context:SideContextMenuView.View>
                             <Frame BackgroundColor="#512DA8"
                                    Margin="15,5"

ContextMenuSample/ContextMenuSample/ViewModels/BaseItemsViewModel.cs

@@ -11,7 +11,9 @@ public class BaseItemsViewModel : BaseViewModel
         private ICommand _deleteCommand;
         public ICommand DeleteCommand => _deleteCommand ?? (_deleteCommand = new Command(item =>
         {
-            Items.Remove(item as Item);
+            var model = item as Item;
+            model?.ForceCloseCommand?.Execute(false); // OneWayToSource binding. So we call Close method without animation
+            Items.Remove(model);
         }));
 
         private ICommand _muteCommand;
@@ -63,6 +65,8 @@ public sealed class Item : BaseViewModel
             private string _name;
             private bool _isMuted;
 
+            public ICommand ForceCloseCommand { get; set; }
+
             public string AvatarUrl
             {
                 get => _avatarUrl;