From 16cacf45b690a5e84b8d50276963c938f7d8c59d Mon Sep 17 00:00:00 2001
From: lhhxxxxx <cx186146436@126.com>
Date: Wed, 8 Jun 2022 18:23:22 +0800
Subject: [PATCH] feat. allow drag a file

---
 src/MeoAsstGui/ViewModels/CopilotViewModel.cs | 26 +++++++++++++++++++
 src/MeoAsstGui/Views/CopilotView.xaml         |  4 ++-
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/MeoAsstGui/ViewModels/CopilotViewModel.cs b/src/MeoAsstGui/ViewModels/CopilotViewModel.cs
index b397ae7900..67a85efb4d 100644
--- a/src/MeoAsstGui/ViewModels/CopilotViewModel.cs
+++ b/src/MeoAsstGui/ViewModels/CopilotViewModel.cs
@@ -18,12 +18,15 @@ using System.Linq;
 using System.Runtime.InteropServices;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
+using System.Windows.Forms;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using Notification.Wpf.Constants;
 using Notification.Wpf.Controls;
 using Stylet;
 using StyletIoC;
+using DragEventArgs = System.Windows.DragEventArgs;
+using Screen = Stylet.Screen;
 
 namespace MeoAsstGui
 {
@@ -182,6 +185,29 @@ namespace MeoAsstGui
             }
         }
 
+        public void DropFile(object sender, DragEventArgs e)
+        {
+            if (!e.Data.GetDataPresent(DataFormats.FileDrop))
+            {
+                return;
+            }
+            var filename = ((Array)e.Data.GetData(DataFormats.FileDrop))?.GetValue(0).ToString();
+            if (filename == null)
+            {
+                return;
+            }
+            if (filename.EndsWith(".json"))
+            {
+                Filename = filename;
+            }
+            else
+            {
+                Filename = "";
+                ClearLog();
+                AddLog("此文件非json文件","darkred");
+            }
+        }
+
         private bool _form = false;
 
         public bool Form
diff --git a/src/MeoAsstGui/Views/CopilotView.xaml b/src/MeoAsstGui/Views/CopilotView.xaml
index 089862a50e..4b273e3ab0 100644
--- a/src/MeoAsstGui/Views/CopilotView.xaml
+++ b/src/MeoAsstGui/Views/CopilotView.xaml
@@ -9,7 +9,9 @@
              mc:Ignorable="d"
              xmlns:vm="clr-namespace:MeoAsstGui;assembly=MeoAsstGui"
              d:DataContext="{d:DesignInstance {x:Type vm:CopilotViewModel}}"
-             d:DesignHeight="495" d:DesignWidth="800">
+             d:DesignHeight="495" d:DesignWidth="800"
+             AllowDrop="True"
+             Drop="{s:Action DropFile}">
     <Grid Margin="20">
         <Grid.ColumnDefinitions>
             <ColumnDefinition />