init commit

demo_2023/MainWindow.axaml

@@ -19,7 +19,7 @@
                 <ComboBoxItem Content="IT"/>
                 <ComboBoxItem Content="Чет еще"/>
             </ComboBox>
-            <ComboBox Width="150" x:Name="Дата" Margin="5">
+            <ComboBox Width="150" x:Name="DateComboBox" SelectionChanged="DateComboBox_SelectionChanged" Margin="5">
                 <ComboBoxItem Content="Возрастание"/>
                 <ComboBoxItem Content="Убывание"/>
                 <ComboBoxItem Content="Все диапазоны"/>

demo_2023/MainWindow.axaml.cs

@@ -13,15 +13,17 @@ namespace demo_2023
     public partial class MainWindow : Window
     {
         private ObservableCollection<EventPresenter> events = new ObservableCollection<EventPresenter>();
+        private List<EventPresenter> dataSourceEvent;
+        private bool isAscending = true; // Флаг для сортировки
 
         public MainWindow()
         {
             InitializeComponent();
 
-            
             using var context = new User15Context();
 
-            var dataSourceEvent = context.Events.Select(it => new EventPresenter
+            
+            dataSourceEvent = context.Events.Select(it => new EventPresenter
             {
                 Sobitie = it.Sobitie,
                 Date = it.Date,
@@ -31,15 +33,31 @@ namespace demo_2023
             }).ToList();
 
             
-            foreach (var eventItem in dataSourceEvent)
-            {
-                events.Add(eventItem);
-            }
-
-            
             EventListBox.ItemsSource = events;
+            
+            ApplySortingAndFiltering();
         }
 
+        private void ApplySortingAndFiltering()
+        {
+            var temp = dataSourceEvent;
+
+            
+            if (DateComboBox.SelectedItem is DateTime selectedDateTime)
+            {
+                temp = temp.Where(it => it.Date.Date == selectedDateTime.Date).ToList();
+            }
+
+            
+            temp = isAscending ? temp.OrderBy(it => it.Date).ToList() : temp.OrderByDescending(it => it.Date).ToList();
+
+            
+            events.Clear();
+            foreach (var item in temp)
+            {
+                events.Add(item);
+            }
+        }
 
         public class EventPresenter : Event
         {
@@ -49,15 +67,8 @@ namespace demo_2023
                 {
                     try
                     {
-                        
                         string absolutePath = Path.Combine(AppContext.BaseDirectory, Photo);
-
-                        if (File.Exists(absolutePath))
-                        {
-                            return new Bitmap(absolutePath); 
-                        }
-
-                        return null;
+                        return File.Exists(absolutePath) ? new Bitmap(absolutePath) : null;
                     }
                     catch
                     {
@@ -68,6 +79,13 @@ namespace demo_2023
         }
 
         
+        private void DateComboBox_SelectionChanged(object? sender, SelectionChangedEventArgs e)
+        {
+            
+            isAscending = !isAscending;
+            ApplySortingAndFiltering();
+        }
+
         private void Jury_reg(object? sender, RoutedEventArgs e)
         {
             new Additem().ShowDialog(this);

demo_2023/obj/Debug/net8.0/demo_2023.AssemblyInfo.cs

@@ -13,7 +13,7 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("demo_2023")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+d38f832f0f4284353be6ed8b83b5daeff3682e53")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+9e30e876e51b1e136cbd4b751c48573cc2771d37")]
 [assembly: System.Reflection.AssemblyProductAttribute("demo_2023")]
 [assembly: System.Reflection.AssemblyTitleAttribute("demo_2023")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]

demo_2023/obj/Debug/net8.0/demo_2023.AssemblyInfoInputs.cache

@@ -1 +1 @@
-2ae409290fa8af1bf43909ade41f704793ba565a70d5881dd04bc0df6eec2e92
+e3c78da2cdc6980fa77b2a133556306f70f364175f9f08b29318cf6e73502801