From 04010214889dacea56713b0ed26e769bdc8a3a56 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EC=A7=84=EC=9E=AC=EC=97=B0=20=28Jin=20Jae-yeon=29?=
 <daramkun@live.com>
Date: Tue, 2 Jul 2024 01:29:05 +0900
Subject: [PATCH] =?UTF-8?q?=EC=9D=BC=EA=B4=84=EC=B2=98=EB=A6=AC=EA=B8=B0?=
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---
 DaramRenamer.Windows/BatchWindow.xaml    |  3 ++-
 DaramRenamer.Windows/BatchWindow.xaml.cs | 28 ++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/DaramRenamer.Windows/BatchWindow.xaml b/DaramRenamer.Windows/BatchWindow.xaml
index 23a5c64..d2c39ae 100644
--- a/DaramRenamer.Windows/BatchWindow.xaml
+++ b/DaramRenamer.Windows/BatchWindow.xaml
@@ -83,7 +83,8 @@
             </StackPanel>
         </Grid>
 
-        <TreeView Grid.Row="1" x:Name="TreeViewCommands" Margin="0,0,0,8">
+        <TreeView Grid.Row="1" x:Name="TreeViewCommands" Margin="0,0,0,8"
+                  AllowDrop="True" DragEnter="TreeViewCommands_DragEnter" Drop="TreeViewCommands_Drop">
             <TreeView.ItemContainerStyle>
                 <Style TargetType="{x:Type TreeViewItem}">
                     <Setter Property="IsExpanded" Value="True" />
diff --git a/DaramRenamer.Windows/BatchWindow.xaml.cs b/DaramRenamer.Windows/BatchWindow.xaml.cs
index 80570e9..cc675c0 100644
--- a/DaramRenamer.Windows/BatchWindow.xaml.cs
+++ b/DaramRenamer.Windows/BatchWindow.xaml.cs
@@ -159,4 +159,32 @@ private void BatchSave_Click(object sender, RoutedEventArgs e)
         rootNode.Serialize(writer);
         writer.Flush();
     }
+
+    private void TreeViewCommands_DragEnter(object sender, DragEventArgs e)
+    {
+        if (e.Data.GetDataPresent(DataFormats.FileDrop))
+            e.Effects = DragDropEffects.None;
+    }
+
+    private void TreeViewCommands_Drop(object sender, DragEventArgs e)
+    {
+        if (!e.Data.GetDataPresent(DataFormats.FileDrop))
+            return;
+        
+        var fileObject = e.Data.GetData(DataFormats.FileDrop);
+        if (fileObject is string file)
+        {
+            using Stream stream = new FileStream(file, FileMode.Open);
+            using TextReader reader = new StreamReader(stream, Encoding.UTF8, false, -1, true);
+
+            rootNode.Deserializer(reader);
+        }
+        else if (fileObject is string[] files)
+        {
+            using Stream stream = new FileStream(files[0], FileMode.Open);
+            using TextReader reader = new StreamReader(stream, Encoding.UTF8, false, -1, true);
+
+            rootNode.Deserializer(reader);
+        }
+    }
 }
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