FileItem now support work as a selector.

Move To now works.

Progrart/Controls/FileItem.axaml

@@ -6,8 +6,8 @@
 			 x:Class="Progrart.Controls.FileItem" HorizontalAlignment="Stretch">
 	<StackPanel>
 		<Grid>
+			<Border Background="#2288EE" Margin="2,5" Width="4" CornerRadius="4" HorizontalAlignment="Left" Name="SelectIndicator" IsVisible="False"/>
 			<Button Name="MainButton" HorizontalAlignment="Stretch">
-
 				<Button.ContextMenu>
 					<ContextMenu>
 						<MenuItem Header="_Open" Name="OpenFileMenuItem">
@@ -30,9 +30,9 @@
 							<MenuItem Header="_Folder" Name="CreateFolderItem"/>
 						</MenuItem>
 						<Separator/>
-						<MenuItem Header="_Copy"/>
-						<MenuItem Header="Cut (_x)"/>
-						<MenuItem Header="_Paste"/>
+						<MenuItem Header="_Copy To" Name="CopyToMenuItem"/>
+						<MenuItem Header="_Move to" Name="MoveToMenuItem"/>
+						<!--<MenuItem Header="_Paste"/>-->
 						<Separator/>
 						<MenuItem Header="_Delete"/>
 					</ContextMenu>

Progrart/Controls/FileItem.axaml.cs

@@ -8,6 +8,7 @@ using Progrart.Controls.TabSystem;
 using Progrart.Dialogs;
 using Progrart.Icons;
 using Progrart.Pages;
+using System;
 using System.Diagnostics;
 using System.Threading.Tasks;
 
@@ -18,14 +19,23 @@ public partial class FileItem : UserControl
 	IStorageItem? currentItem;
 	bool isOpen = false;
 	string extension = "";
+	FileItem? root = null;
+	bool isSelectOnly = false;
+	public IStorageItem? CurrentItem => currentItem;
+	public Action<FileItem>? onSelected = null;
 	public FileItem()
 	{
-
 		InitializeComponent();
 	}
-	public FileItem(IStorageItem storageItem)
+	public FileItem(IStorageItem storageItem, FileItem? RootItem, bool SelectOnly = false)
 	{
 		InitializeComponent();
+		this.root = RootItem;
+		isSelectOnly = SelectOnly;
+		if (isSelectOnly)
+		{
+			MainButton.ContextMenu = null;
+		}
 		currentItem = storageItem;
 		if (storageItem is IStorageFolder folder)
 		{
@@ -63,6 +73,11 @@ public partial class FileItem : UserControl
 			IconContainer.IsVisible = true;
 		}
 		NameBlock.Text = storageItem.Name;
+		if (isSelectOnly)
+			MainButton.Click += (a, b) =>
+			{
+				(root ?? this).SelectFileItem(this);
+			};
 		MainButton.DoubleTapped += async (_, _) =>
 		{
 			await OpenItem();
@@ -87,7 +102,7 @@ public partial class FileItem : UserControl
 							if (isOpen)
 								Dispatcher.UIThread.Invoke(() =>
 								{
-									var fitem = new FileItem(fldr);
+									var fitem = new FileItem(fldr, root ?? this, SelectOnly);
 									ItemContainer.Children.Add(fitem);
 								});
 						}
@@ -107,6 +122,8 @@ public partial class FileItem : UserControl
 			};
 			await DialogHost.Show(content);
 		};
+		CopyToMenuItem.Click += CopyToMenuItem_Click;
+		MoveToMenuItem.Click += MoveToMenuItem_Click;
 		CreateProgrartItem.Click += async (a, b) =>
 		{
 			InputDialog content = new();
@@ -123,7 +140,7 @@ public partial class FileItem : UserControl
 							if (isOpen)
 								Dispatcher.UIThread.Invoke(() =>
 								{
-									var fitem = new FileItem(fldr);
+									var fitem = new FileItem(fldr, root ?? this, SelectOnly);
 									ItemContainer.Children.Add(fitem);
 								});
 						}
@@ -144,6 +161,46 @@ public partial class FileItem : UserControl
 			await DialogHost.Show(content);
 		};
 	}
+
+	private async void MoveToMenuItem_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
+	{
+		var content = new BrowserDialog();
+		content.Title = "";
+		content.onOK = async (si) =>
+		{
+			if (si is IStorageFolder destFolder)
+			{
+
+				if (currentItem is not null)
+				{
+					await currentItem.MoveAsync(destFolder);
+				}
+			}
+			return true;
+		};
+		if ((root ?? this).CurrentItem is IStorageItem item)
+			content.SetFileITem(new FileItem(item, null, true));
+		await DialogHost.Show(content);
+	}
+
+	private async void CopyToMenuItem_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
+	{
+		var content = new BrowserDialog();
+		content.onOK = async (si) =>
+		{
+			if (currentItem is IStorageFolder folder)
+			{
+			}
+			else if (currentItem is IStorageFile file)
+			{
+			}
+			return true;
+		};
+		if ((root ?? this).CurrentItem is IStorageItem item)
+			content.SetFileITem(new FileItem(item, null, true));
+		await DialogHost.Show(content);
+	}
+
 	public async Task OpenItem()
 	{
 
@@ -198,9 +255,14 @@ public partial class FileItem : UserControl
 	{
 		await foreach (var item in folder.GetItemsAsync())
 		{
+			if (isSelectOnly)
+			{
+				if (item is IStorageFile)
+					continue;
+			}
 			Dispatcher.UIThread.Invoke(() =>
 			{
-				var fitem = new FileItem(item);
+				var fitem = new FileItem(item, root ?? this, isSelectOnly);
 				ItemContainer.Children.Add(fitem);
 			});
 		}
@@ -209,4 +271,16 @@ public partial class FileItem : UserControl
 	{
 		ItemContainer.Children.Clear();
 	}
+	public void SelectFileItem(FileItem item)
+	{
+		if (root == null) onSelected?.Invoke(item);
+		SelectIndicator.IsVisible = this == item;
+		foreach (var citem in ItemContainer.Children)
+		{
+			if (citem is FileItem fi)
+			{
+				fi.SelectFileItem(item);
+			}
+		}
+	}
 }

Progrart/Dialogs/BrowserDialog.axaml

@@ -0,0 +1,25 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+			 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+			 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+			 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+			 mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+			 x:Class="Progrart.Dialogs.BrowserDialog">
+	<StackPanel>
+		<TextBlock Name="DialogTitle" FontSize="16" TextWrapping="Wrap">Select A Folder</TextBlock>
+		<StackPanel Name="FileRoot">
+			<StackPanel.Styles>
+				<Style Selector="Button">
+					<Setter Property="Background" Value="#01000000"/>
+				</Style>
+			</StackPanel.Styles>
+		</StackPanel>
+		<Grid>
+			<Grid.ColumnDefinitions>
+				<ColumnDefinition/>
+				<ColumnDefinition/>
+			</Grid.ColumnDefinitions>
+			<Button HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" Classes="accent" Name="OKBtn" Content="OK"/>
+			<Button HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" Name="CancelBtn" Grid.Column="1" Content="Cancel"/>
+		</Grid>
+	</StackPanel>
+</UserControl>

Progrart/Dialogs/BrowserDialog.axaml.cs

@@ -0,0 +1,67 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+using Avalonia.Platform.Storage;
+using DialogHostAvalonia;
+using Progrart.Controls;
+using System;
+using System.Threading.Tasks;
+
+namespace Progrart.Dialogs;
+
+public partial class BrowserDialog : UserControl
+{
+	public Func<IStorageItem, Task<bool>>? onOK = null;
+	public Func<bool>? onCancel = null;
+	public string Title
+	{
+		get => DialogTitle.Text ?? "";
+		set => DialogTitle.Text = value;
+	}
+	public BrowserDialog()
+	{
+		InitializeComponent();
+		OKBtn.Click += OKBtn_Click;
+		CancelBtn.Click += CancelBtn_Click;
+	}
+	IStorageItem? currentItem = null;
+	public void SetFileITem(FileItem item)
+	{
+		FileRoot.Children.Add(item);
+		item.onSelected = async (it) =>
+		{
+			currentItem = it.CurrentItem;
+		};
+	}
+	private void CancelBtn_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
+	{
+		Cancel();
+	}
+
+	private void Cancel()
+	{
+		if (!(onCancel?.Invoke()) ?? true)
+		{
+			DialogHost.Close(null);
+		}
+	}
+
+	private async void OKBtn_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
+	{
+		await Confirmed();
+	}
+
+	private async Task Confirmed()
+	{
+		if (currentItem is null) return;
+		if (onOK is not null)
+		{
+			if (!await onOK(currentItem))
+			{
+				DialogHost.Close(null);
+			}
+		}
+		else
+			DialogHost.Close(null);
+	}
+}

Progrart/Views/MainView.axaml.cs

@@ -109,7 +109,7 @@ public partial class MainView : UserControl
 				FileContainer.Children.Clear();
 				var folder = folders[0];
 				App.CurrentOpenFolder = folder;
-				FileItem item1 = new(folder);
+				FileItem item1 = new(folder, null, false);
 				FileContainer.Children.Add(item1);
 				await foreach (var item in folder.GetItemsAsync())
 				{