listview drag

TV Player WPF/App.xaml.cs

@@ -1,5 +1,4 @@
 using System.Windows;
-using System.Windows.Controls.Primitives;
 using TV_Player.ViewModels;
 
 namespace TV_Player
@@ -10,13 +9,13 @@ namespace TV_Player
     public partial class App : Application
     {
         private TVPlayerViewModel _tvPlayer;
-       
+
-        private const string Guid = "250C5597-BA73-40DF-B2CF-DD644F044834";
+        private const string Guid = "ac8ab758-01e2-47c3-ad42-31e96d8203c0";
         static readonly Mutex Mutex = new Mutex(true, "{" + Guid + "}");
         protected override void OnStartup(StartupEventArgs e)
         {
             AppDomain.CurrentDomain.UnhandledException += ReportAndRestart;
-            
+
             if (!Mutex.WaitOne(TimeSpan.Zero, true))
             {
                 MessageBox.Show("Programm already running");
@@ -32,13 +31,13 @@ namespace TV_Player
         {
 
             string info = e.ExceptionObject.ToString();
-            MessageBox.Show(info,"Application");
+            var result=MessageBox.Show(info, "Application", MessageBoxButton.OK, MessageBoxImage.Stop);
             
-            Environment.Exit(1);
+            //Environment.Exit(1);
         }
         protected override void OnExit(ExitEventArgs e)
         {
-            _tvPlayer = null;
+            _tvPlayer.Dispose();
             base.OnExit(e);
         }
     }

TV Player WPF/Assets/GroupButtonStyle.xaml

@@ -68,7 +68,7 @@ c-0.781-0.781-0.788-2.047-0.007-2.828L51.438,14.43c1.754-1.755,1.753-4.61-0.001-
             </Setter.Value>
         </Setter>
     </Style>
-    
+
     <Style x:Key="ButtonDown" TargetType="{x:Type Button}">
         <Setter Property="Template">
             <Setter.Value>
@@ -123,6 +123,7 @@ c-0.781-0.781-0.788-2.047-0.007-2.828L51.438,14.43c1.754-1.755,1.753-4.61-0.001-
             </Setter.Value>
         </Setter>
     </Style>
+
     <Style x:Key="ListBoxView" TargetType="ListView">
         <Setter Property="Background" Value="Transparent"/>
         <Setter Property="VerticalAlignment" Value="Top"/>
@@ -136,7 +137,7 @@ c-0.781-0.781-0.788-2.047-0.007-2.828L51.438,14.43c1.754-1.755,1.753-4.61-0.001-
         <Setter Property="VirtualizingPanel.IsContainerVirtualizable" Value="True" />
         <Style.Resources>
             <Style  x:Key="ScrollThumbs" TargetType="{x:Type Thumb}">
-                <Setter Property="Background" Value="#3E85C3" />
+                <Setter Property="Background" Value="Gray" />
                 <Setter Property="Template">
                     <Setter.Value>
                         <ControlTemplate TargetType="{x:Type Thumb}">
@@ -165,7 +166,7 @@ c-0.781-0.781-0.788-2.047-0.007-2.828L51.438,14.43c1.754-1.755,1.753-4.61-0.001-
             <Style TargetType="{x:Type ScrollBar}">
                 <Setter Property="Margin" Value="0"></Setter>
                 <Setter Property="Padding" Value="0"></Setter>
-                <Setter Property="Background" Value="#ecf0f6" />
+                <Setter Property="Background" Value="Transparent" />
                 <Setter Property="Width" Value="19" />
                 <Setter Property="Template">
                     <Setter.Value>
@@ -196,4 +197,23 @@ c-0.781-0.781-0.788-2.047-0.007-2.828L51.438,14.43c1.754-1.755,1.753-4.61-0.001-
             </Style>
         </Style.Resources>
     </Style>
+
+    <Style x:Key="ItemContStyle" TargetType="{x:Type ListViewItem}">
+        <!-- Stretch the content so that we can right-align values
+       in the Balance column. -->
+        <Setter Property="Margin" Value="2,2,2,2" />
+        <Setter Property="HorizontalContentAlignment" Value="Stretch" />
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type ListViewItem}">
+                    <Border x:Name="DGR_Border">
+                        <GridViewRowPresenter x:Name="gridrowPresenter"
+                        Content="{TemplateBinding Property=ContentControl.Content}" 
+						/>
+                    </Border>
+                    
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
 </ResourceDictionary>

TV Player WPF/ProgramsList.xaml

@@ -6,9 +6,12 @@
              mc:Ignorable="d" 
              d:DesignHeight="450" d:DesignWidth="800">
     <Grid x:Name="programsGrid">
-        <ListView ItemsSource="{Binding Programs}" Background="Transparent" VerticalAlignment="Top" Margin="0,50,0,0"
+        <ListView x:Name="programsList"  ItemsSource="{Binding Programs}" Background="Transparent" VerticalAlignment="Top" Margin="0,50,0,0"
                   SelectionMode="Single" Style="{StaticResource ListBoxView}"
                   SelectedItem="{Binding SelectedItem}" BorderThickness="0"
+                  PreviewMouseDown="ListView_PreviewMouseDown"
+                  PreviewMouseUp="ListView_PreviewMouseUp"
+                  PreviewMouseMove="ListView_MouseMove"
                   SelectionChanged="ListBox_SelectionChanged">
             <ListView.ItemsPanel>
                 <ItemsPanelTemplate>
@@ -18,7 +21,7 @@
             <ListView.ItemTemplate>
                 <DataTemplate>
                     <Viewbox HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
-                    <Border Height="145" Width="106" HorizontalAlignment="Center" CornerRadius="5" BorderBrush="Yellow" BorderThickness="2">
+                    <Border x:Name="border" Height="145" Width="106" HorizontalAlignment="Center" CornerRadius="5" BorderBrush="Yellow" BorderThickness="2">
                         <Grid Margin="1" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Background="#B0000000">
                             <Grid.RowDefinitions>
                                 <RowDefinition Height="*"/>
@@ -31,6 +34,12 @@
                         </Grid>
                     </Border>
                     </Viewbox>
+                    <DataTemplate.Triggers>
+                        <DataTrigger Binding="{Binding IsSelected, RelativeSource={RelativeSource AncestorType={x:Type ListViewItem}}}" Value="True">
+                            <Setter TargetName="border" Property="Background" Value="red"/>
+                            <!-- Add other properties or setters as needed -->
+                        </DataTrigger>
+                    </DataTemplate.Triggers>
                 </DataTemplate>
             </ListView.ItemTemplate>
         </ListView>

TV Player WPF/ProgramsList.xaml.cs

@@ -1,4 +1,8 @@
-using System.Windows.Controls;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Threading;
 
 namespace TV_Player
 {
@@ -7,16 +11,128 @@ namespace TV_Player
     /// </summary>
     public partial class ProgramsList : UserControl
     {
+        private Point _mousePosition;
+        private bool _isDragging;
+        private DispatcherTimer clickTimer;
+
         public ProgramsList()
         {
             InitializeComponent();
+            clickTimer = new DispatcherTimer();
+            clickTimer.Interval = TimeSpan.FromMilliseconds(200); // Adjust the interval as needed
+            clickTimer.Tick += ClickTimer_Tick;
         }
+
         private void ListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
         {
-            if (DataContext is ProgramsListViewModel viewModel)
+            if (_isDragging)
+            {
+                e.Handled = true; // Prevent selection change during drag-and-drop
+            }
+            else if (DataContext is ProgramsListViewModel viewModel)
             {
                 viewModel.ItemSelectedCommand.Execute(null);
             }
         }
+
+        private void ListView_PreviewMouseDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
+        {
+            _isDragging = true;
+            _mousePosition = e.GetPosition(null);
+        }
+
+        private void ListView_MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
+        {
+                if (e.LeftButton == MouseButtonState.Pressed)
+                {
+                    Point currentPosition = e.GetPosition(null);
+
+                    if (!_isDragging && (Math.Abs(currentPosition.X - _mousePosition.X) > SystemParameters.MinimumHorizontalDragDistance ||
+                                        Math.Abs(currentPosition.Y - _mousePosition.Y) > SystemParameters.MinimumVerticalDragDistance))
+                    {
+                    _isDragging = true;
+                        e.Handled = true;
+                    }
+
+                    if (_isDragging)
+                    {
+                        // Get the ListView scroll viewer
+                        ScrollViewer scrollViewer = FindVisualChild<ScrollViewer>(programsList);
+
+                        if (scrollViewer != null)
+                        {
+                            double verticalScrollPosition = currentPosition.Y - _mousePosition.Y;
+                            scrollViewer.ScrollToVerticalOffset(scrollViewer.VerticalOffset - verticalScrollPosition);
+                        }
+                    }
+                }
+        }       
+
+        private void ListView_PreviewMouseUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
+        {
+            _isDragging = false;
+            clickTimer.Stop();
+
+            if (IsClick())
+            {
+                // Perform selection logic here
+                ListViewItem listViewItem = FindAncestor<ListViewItem>((DependencyObject)e.OriginalSource);
+                if (listViewItem != null)
+                {
+                    listViewItem.IsSelected = true;
+                    if (DataContext is ProgramsListViewModel viewModel)
+                    {
+                        viewModel.ItemSelectedCommand.Execute(null);
+                    }
+                }
+            }
+        }
+
+        private void ClickTimer_Tick(object sender, EventArgs e)
+        {
+            clickTimer.Stop();
+        }
+
+        private bool IsClick()
+        {
+            Point currentPosition = Mouse.GetPosition(null);
+            return Math.Abs(currentPosition.X - _mousePosition.X) < SystemParameters.MinimumHorizontalDragDistance &&
+                   Math.Abs(currentPosition.Y - _mousePosition.Y) < SystemParameters.MinimumVerticalDragDistance;
+        }
+
+        private static T FindVisualChild<T>(DependencyObject obj) where T : DependencyObject
+        {
+            for (int i = 0; i < VisualTreeHelper.GetChildrenCount(obj); i++)
+            {
+                DependencyObject child = VisualTreeHelper.GetChild(obj, i);
+                if (child != null && child is T)
+                {
+                    return (T)child;
+                }
+                else
+                {
+                    T childOfChild = FindVisualChild<T>(child);
+                    if (childOfChild != null)
+                    {
+                        return childOfChild;
+                    }
+                }
+            }
+            return null;
+        }
+
+        private static T FindAncestor<T>(DependencyObject current) where T : DependencyObject
+        {
+            do
+            {
+                if (current is T ancestor)
+                {
+                    return ancestor;
+                }
+                current = VisualTreeHelper.GetParent(current);
+            } while (current != null);
+
+            return null;
+        }
     }
 }

TV Player WPF/ViewModels/TVPlayerViewModel.cs

@@ -2,7 +2,7 @@
 
 namespace TV_Player.ViewModels
 {
-    public class TVPlayerViewModel
+    public class TVPlayerViewModel : IDisposable
     {
         private readonly MainViewModel _mainViewModel;
 
@@ -66,5 +66,10 @@ namespace TV_Player.ViewModels
             _mainViewModel.Control = control;
         }
 
+        public void Dispose()
+        {
+            if (_mainViewModel.Control is IDisposable disposable)
+                disposable.Dispose();
+        }
     }
 }