revert: "feactor: convert editing event handler to Command in ViewModel + change it from double click to simply an edit button".

I've realized that the Edit event handler only has view related code, so the responsibilities are well distributed.

Author: Xiphereal

Desktop/Project/TaskListViewModel.cs

@@ -31,12 +31,6 @@ public TaskListViewModel(
             Tasks.Add(taskCreationViewModel.CreatedTask);
         });
 
-        Edit = new RelayCommand<Task>(taskToEdit =>
-        {
-            var window = new TaskEditing(taskToEdit!);
-            window.ShowDialog();
-        });
-
         Delete = new RelayCommand<Task>(taskToRemove =>
         {
             Tasks.Remove(taskToRemove!);
@@ -46,7 +40,6 @@ public TaskListViewModel(
 
     public ICommand Add { get; }
 
-    public ICommand Edit { get; }
     public ICommand Delete { get; }
 
     public void PopulateTasks()

Desktop/Project/TasksList.xaml

@@ -6,6 +6,11 @@
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
              mc:Ignorable="d"
              xmlns:domain="clr-namespace:Desktop.Domain">
+    <UserControl.Resources>
+        <Style TargetType="ListBoxItem">
+            <EventSetter Event="MouseDoubleClick" Handler="Edit" />
+        </Style>
+    </UserControl.Resources>
     <Grid>
         <StackPanel>
             <StackPanel Orientation="Horizontal">
@@ -18,9 +23,6 @@
                     <DataTemplate DataType="{x:Type domain:Task}">
                         <StackPanel Orientation="Horizontal">
                             <TextBlock Text="{Binding Name}" />
-                            <Button Content="Edit"
-                                    Command="{Binding DataContext.Edit, ElementName=Root}"
-                                    CommandParameter="{Binding}" />
                             <Button Content="Delete"
                                     Command="{Binding DataContext.Delete, ElementName=Root}"
                                     CommandParameter="{Binding}" />

Desktop/Project/TasksList.xaml.cs

@@ -1,5 +1,7 @@
 using System.Windows.Controls;
+using System.Windows.Input;
 using Desktop.Tasks;
+using Task = Desktop.Domain.Task;
 
 namespace Desktop.Project;
 
@@ -16,4 +18,13 @@ public TasksList(TaskListViewModel viewModel)
         viewModel.TaskCreationViewCreator = creationViewModel =>
             new TaskCreation(creationViewModel);
     }
+
+    private void Edit(object sender, MouseButtonEventArgs e)
+    {
+        if (sender is not ListBoxItem { DataContext: Task task })
+            return;
+
+        var window = new TaskEditing(task);
+        window.ShowDialog();
+    }
 }

Desktop/Tasks/TaskEditing.xaml.cs

@@ -1,5 +1,4 @@
 using System.Windows;
-using Desktop.Common;
 using Task = Desktop.Domain.Task;
 
 namespace Desktop.Tasks;