From 57b1b6a905a673e96ef2c7fb31e43a26c3584442 Mon Sep 17 00:00:00 2001
From: N00MKRAD <login@nmkd.de>
Date: Tue, 6 Apr 2021 11:30:01 +0200
Subject: [PATCH] Model selection tree improvements

---
 Code/Forms/ModelSelectForm.cs | 27 +++++++++++++++++++++++----
 Code/IO/IOUtils.cs            | 23 +++++++++++++++++++++++
 2 files changed, 46 insertions(+), 4 deletions(-)

diff --git a/Code/Forms/ModelSelectForm.cs b/Code/Forms/ModelSelectForm.cs
index 5fc69e9..8b002ca 100644
--- a/Code/Forms/ModelSelectForm.cs
+++ b/Code/Forms/ModelSelectForm.cs
@@ -21,9 +21,6 @@ public partial class ModelSelectForm : Form
         public ModelSelectForm(Button modelButton, int modelNumber)
         {
             InitializeComponent();
-            //Show(this);
-            //TopMost = true;
-            //CenterToScreen();
             modelBtn = modelButton;
             modelNo = modelNumber;
             SelectLastUsed();
@@ -32,13 +29,25 @@ public ModelSelectForm(Button modelButton, int modelNumber)
         private void ModelSelectForm_Load(object sender, EventArgs e)
         {
             string modelDir = Config.Get("modelPath");
+
             if (!Directory.Exists(modelDir))
             {
                 Program.ShowMessage("The saved model directory does not exist - Make sure you've set a models folder!");
+                Close();
+                return;
+            }
+
+            if (IOUtils.GetAmountOfFiles(modelDir, true, "*.pth") < 1)
+            {
+                Program.ShowMessage($"The saved model directory does not contain any model (.pth) files!\n\nPlease put some models into '{modelDir}'.");
+                Close();
                 return;
             }
+
+            ForceLowercaseExtensions(modelDir);
             DirectoryInfo modelsDir = new DirectoryInfo(modelDir);
             BuildTree(modelsDir, modelTree.Nodes);
+
             if (Config.GetBool("modelSelectAutoExpand"))
                 modelTree.ExpandAll();
             else
@@ -51,7 +60,7 @@ private async void SelectLastUsed()
                 return;
 
             while (modelTree.Nodes.Count < 1)
-                await Task.Delay(1);
+                await Task.Delay(100);
 
             if (string.IsNullOrWhiteSpace(Program.currentModel1))
                 modelTree.SelectedNode = modelTree.Nodes[0];
@@ -70,6 +79,15 @@ private void CheckNodesRecursive(TreeNode parentNode)
             }
         }
 
+        private void ForceLowercaseExtensions(string path)
+        {
+            foreach (FileInfo file in IOUtils.GetFileInfosSorted(path, true, "*.*"))
+            {
+                if(file.Extension == ".PTH")
+                    file.MoveTo(Path.ChangeExtension(file.FullName, "pth"));
+            }
+        }
+
         private void BuildTree(DirectoryInfo directoryInfo, TreeNodeCollection addInMe)
         {
             TreeNode curNode = addInMe.Add(directoryInfo.Name);
@@ -79,6 +97,7 @@ private void BuildTree(DirectoryInfo directoryInfo, TreeNodeCollection addInMe)
                 if (file.Extension == ".pth")    // Hide any other file extension
                     curNode.Nodes.Add(file.FullName, Path.ChangeExtension(file.Name, null));
             }
+
             foreach (DirectoryInfo subdir in directoryInfo.GetDirectories())
             {
                 if (subdir.GetFiles("*.pth", SearchOption.AllDirectories).Length > 0)     // Don't list folders that have no PTH files
diff --git a/Code/IO/IOUtils.cs b/Code/IO/IOUtils.cs
index 9e7bf24..4240f94 100644
--- a/Code/IO/IOUtils.cs
+++ b/Code/IO/IOUtils.cs
@@ -493,5 +493,28 @@ public static bool HasEnoughDiskSpace(int mBytes, string drivePath, float multip
                 return true;
             return false;
         }
+
+        public static string[] GetFilesSorted(string path, bool recursive = false, string pattern = "*")
+        {
+            SearchOption opt = recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
+            return Directory.GetFiles(path, pattern, opt).OrderBy(x => Path.GetFileName(x)).ToArray();
+        }
+
+        public static string[] GetFilesSorted(string path, string pattern = "*")
+        {
+            return GetFilesSorted(path, false, pattern);
+        }
+
+        public static string[] GetFilesSorted(string path)
+        {
+            return GetFilesSorted(path, false, "*");
+        }
+
+        public static FileInfo[] GetFileInfosSorted(string path, bool recursive = false, string pattern = "*")
+        {
+            SearchOption opt = recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
+            DirectoryInfo dir = new DirectoryInfo(path);
+            return dir.GetFiles(pattern, opt).OrderBy(x => x.Name).ToArray();
+        }
     }
 }