From eb334fe00c65d16d00b398a33234575b3ff3992a Mon Sep 17 00:00:00 2001
From: Ray <sympatheticfire@gmail.com>
Date: Sat, 14 Nov 2020 15:58:10 +0000
Subject: [PATCH] Added: drag-drop file in folder support

---
 Windows/Forms/Tile/TTilePanel.cs       | 78 ++++++++++++++++++++
 Windows/Forms/Tile/TTilePanelLayout.cs | 98 ++++++++++++++------------
 2 files changed, 130 insertions(+), 46 deletions(-)

diff --git a/Windows/Forms/Tile/TTilePanel.cs b/Windows/Forms/Tile/TTilePanel.cs
index 00e144c..7b3e45a 100644
--- a/Windows/Forms/Tile/TTilePanel.cs
+++ b/Windows/Forms/Tile/TTilePanel.cs
@@ -24,6 +24,7 @@ namespace AppLauncher.Windows.Forms
             this.BackColor = Color.FromArgb(250, 250, 250);
             this.ContextMenuStrip = contextMenuStrip1;
             this.DoubleBuffered = true;
+            this.AllowDrop = true;
 
             label1.ForeColor = Color.FromArgb(99, 105, 119);
             label1.Font = new Font(this.Font.FontFamily, 8.25F);
@@ -76,6 +77,83 @@ namespace AppLauncher.Windows.Forms
             }
         }
 
+        protected override void OnDragDrop(DragEventArgs e)
+        {
+            string[] fileList = e.Data.GetData(DataFormats.FileDrop) as string[];
+
+            if (this.ModelInfo.IsGroup)
+            {
+                this.DropFileList(fileList);
+
+                this.LoadInfo(this.ModelInfo);
+            }
+            else
+            {
+                if (this.PanelContainer != null)
+                {
+                    this.PanelContainer.DropFileList(fileList);
+                }
+            }
+        }
+
+        protected override void OnDragOver(DragEventArgs e)
+        {
+            base.OnDragDrop(e);
+
+            e.Effect = (e.Data.GetDataPresent(DataFormats.FileDrop)) ? DragDropEffects.Link : DragDropEffects.None;
+        }
+
+        public void DropFileList(string[] fileList)
+        {
+            if (fileList == null)
+            {
+                return;
+            }
+
+            if (fileList.Length <= 0)
+            {
+                return;
+            }
+
+            if (string.IsNullOrWhiteSpace(fileList[0]))
+            {
+                return;
+            }
+
+            TileModel model = new TileModel()
+            {
+                ProcessFilename = fileList[0],
+                Title = Path.GetFileName(fileList[0])
+            };
+
+            // exe
+            if (Path.GetExtension(fileList[0]).Equals(".exe", StringComparison.CurrentCultureIgnoreCase))
+            {
+                if (File.Exists(fileList[0]))
+                {
+                    try
+                    {
+                        FileVersionInfo fvi = FileVersionInfo.GetVersionInfo(fileList[0]);
+                        if (fvi != null)
+                        {
+                            model.Title = fvi.ProductName;
+                        }
+                    }
+                    catch
+                    {
+                        // do nothing
+                    }
+                }
+
+                if (string.IsNullOrWhiteSpace(model.Title))
+                {
+                    model.Title = Path.GetFileNameWithoutExtension(fileList[0]);
+                }
+            }
+
+            this.ModelInfo.Items.Add(model);
+        }
+
         public void LoadInfo(TileModel model)
         {
             this.modelInfo = model;
diff --git a/Windows/Forms/Tile/TTilePanelLayout.cs b/Windows/Forms/Tile/TTilePanelLayout.cs
index 53e62a8..98c9125 100644
--- a/Windows/Forms/Tile/TTilePanelLayout.cs
+++ b/Windows/Forms/Tile/TTilePanelLayout.cs
@@ -55,53 +55,8 @@ namespace AppLauncher.Windows.Forms
         protected override void OnDragDrop(DragEventArgs e)
         {
             string[] fileList = e.Data.GetData(DataFormats.FileDrop) as string[];
-            if (fileList == null)
-            {
-                return;
-            }
 
-            if (fileList.Length <= 0)
-            {
-                return;
-            }
-
-            if (string.IsNullOrWhiteSpace(fileList[0]))
-            {
-                return;
-            }
-
-            TileModel model = new TileModel()
-            {
-                ProcessFilename = fileList[0],
-                Title = Path.GetFileName(fileList[0])
-            };
-
-            // exe
-            if (Path.GetExtension(fileList[0]).Equals(".exe", StringComparison.CurrentCultureIgnoreCase))
-            {
-                if (File.Exists(fileList[0]))
-                {
-                    try
-                    {
-                        FileVersionInfo fvi = FileVersionInfo.GetVersionInfo(fileList[0]);
-                        if (fvi != null)
-                        {
-                            model.Title = fvi.ProductName;
-                        }
-                    }
-                    catch
-                    {
-                        // do nothing
-                    }
-                }
-
-                if (string.IsNullOrWhiteSpace(model.Title))
-                {
-                    model.Title = Path.GetFileNameWithoutExtension(fileList[0]);
-                }
-            }
-
-            this.AddTile(model);
+            this.DropFileList(fileList);
         }
 
         protected override void OnDragOver(DragEventArgs e)
@@ -180,6 +135,57 @@ namespace AppLauncher.Windows.Forms
 
         public int ExpandedHeight => expandedHeight + this.Padding.Bottom;
 
+        public void DropFileList(string[] fileList)
+        {
+            if (fileList == null)
+            {
+                return;
+            }
+
+            if (fileList.Length <= 0)
+            {
+                return;
+            }
+
+            if (string.IsNullOrWhiteSpace(fileList[0]))
+            {
+                return;
+            }
+
+            TileModel model = new TileModel()
+            {
+                ProcessFilename = fileList[0],
+                Title = Path.GetFileName(fileList[0])
+            };
+
+            // exe
+            if (Path.GetExtension(fileList[0]).Equals(".exe", StringComparison.CurrentCultureIgnoreCase))
+            {
+                if (File.Exists(fileList[0]))
+                {
+                    try
+                    {
+                        FileVersionInfo fvi = FileVersionInfo.GetVersionInfo(fileList[0]);
+                        if (fvi != null)
+                        {
+                            model.Title = fvi.ProductName;
+                        }
+                    }
+                    catch
+                    {
+                        // do nothing
+                    }
+                }
+
+                if (string.IsNullOrWhiteSpace(model.Title))
+                {
+                    model.Title = Path.GetFileNameWithoutExtension(fileList[0]);
+                }
+            }
+
+            this.AddTile(model);
+        }
+
         public TileGroupModel Model
         {
             get