basic features of renaming files works

Plugins/Flow.Launcher.Plugin.Explorer/Helper/RenameThing.cs

@@ -13,11 +13,15 @@ namespace Flow.Launcher.Plugin.Explorer.Helper
         {
             if (info is FileInfo)
             {
+                if (newName.IndexOfAny(Path.GetInvalidFileNameChars()) >= 0)
+                {
+                    throw new InvalidNameException();
+                }
                 FileInfo file = new FileInfo(info.FullName);
                 DirectoryInfo directory;
-                
+
                 directory = file.Directory ?? new DirectoryInfo(Path.GetPathRoot(file.FullName));
-                if (Path.Join(info.FullName, directory.Name) == newName)
+                if (info.FullName == Path.Join(directory.FullName, newName))
                 {
                     throw new NotANewNameException("New name was the same as the old name");
                 }
@@ -26,10 +30,18 @@ namespace Flow.Launcher.Plugin.Explorer.Helper
             }
             else if (info is DirectoryInfo)
             {
+                var invalidChars = Path.GetInvalidPathChars().ToList();
+                invalidChars.Add('/');
+                invalidChars.Add('\\');
+                if (newName.IndexOfAny(invalidChars.ToArray()) >= 0)
+                {
+                    throw new InvalidNameException();
+                }
                 DirectoryInfo directory = new DirectoryInfo(info.FullName);
                 DirectoryInfo parent;
                 parent = directory.Parent ?? new DirectoryInfo(Path.GetPathRoot(directory.FullName));
-                if (Path.Join(parent.FullName, directory.Name) == newName)
+
+                if (info.FullName == Path.Join(parent.FullName, newName))
                 {
                     throw new NotANewNameException("New name was the same as the old name");
                 }
@@ -42,8 +54,8 @@ namespace Flow.Launcher.Plugin.Explorer.Helper
             }
         }
     }
-    [Serializable]
+
-    public class NotANewNameException : IOException
+    internal class NotANewNameException : IOException
     {
         public NotANewNameException() { }
         public NotANewNameException(string message) : base(message) { }
@@ -52,4 +64,26 @@ namespace Flow.Launcher.Plugin.Explorer.Helper
             System.Runtime.Serialization.SerializationInfo info,
             System.Runtime.Serialization.StreamingContext context) : base(info, context) { }
     }
+    internal class FileAlreadyExistsException : IOException
+    {
+        public FileAlreadyExistsException() { }
+        public FileAlreadyExistsException(string message) : base(message) { }
+        public FileAlreadyExistsException(string message, Exception inner) : base(message, inner) { }
+        protected FileAlreadyExistsException(
+            System.Runtime.Serialization.SerializationInfo info,
+            System.Runtime.Serialization.StreamingContext context) : base(info, context) { }
+    }
+
+    internal class InvalidNameException : Exception
+    {
+        public InvalidNameException() { }
+        public InvalidNameException(string message) : base(message) { }
+        public InvalidNameException(string message, Exception inner) : base(message, inner) { }
+        protected InvalidNameException(
+            System.Runtime.Serialization.SerializationInfo info,
+            System.Runtime.Serialization.StreamingContext context) : base(info, context) { }
+    }
+    
+    
 }
+

Plugins/Flow.Launcher.Plugin.Explorer/Languages/en.xaml

@@ -197,4 +197,6 @@
     <system:String x:Key="plugin_explorer_rename_a_file">Rename</system:String>
     <system:String x:Key="plugin_explorer_not_a_new_name">The given name: {0} was not new.</system:String>
     <system:String x:Key="plugin_explorer_field_may_not_be_empty">{0} may not be empty.</system:String>
+    <system:String x:Key="plugin_explorer_invalid_name">{0} is an invalid name.</system:String>
+    <system:String x:Key="plugin_explorer_file_not_found">The specified file: {0} was not found</system:String>
 </ResourceDictionary>

Plugins/Flow.Launcher.Plugin.Explorer/Views/RenameFile.xaml

@@ -84,7 +84,6 @@
                         Width="135"
                         HorizontalAlignment="Left"
                         VerticalAlignment="Center"
-                        DataObject.Pasting="RenameTb_Pasting"
                         PreviewKeyDown="RenameTb_OnKeyDown"
                         Text="{Binding NewFileName}"/>
                 </StackPanel>

Plugins/Flow.Launcher.Plugin.Explorer/Views/RenameFile.xaml.cs

@@ -2,9 +2,11 @@ using System;
 using System.IO;
 using System.Linq;
 using System.Windows;
+using System.Windows.Controls;
 using System.Windows.Input;
 using CommunityToolkit.Mvvm.ComponentModel;
 using Flow.Launcher.Plugin.Explorer.Helper;
+using Microsoft.VisualBasic.Logging;
 
 
 namespace Flow.Launcher.Plugin.Explorer.Views
@@ -26,15 +28,7 @@ namespace Flow.Launcher.Plugin.Explorer.Views
 
 
         private string _newFileName;
-        private string renamingText = "fes";
+        
-        public string RenamingText
-        {
-            get => renamingText;
-            set
-            {
-                _ = SetProperty(ref renamingText, value);
-            }
-        }
         private readonly IPublicAPI _api;
         private readonly string _oldFilePath;
 
@@ -48,29 +42,32 @@ namespace Flow.Launcher.Plugin.Explorer.Views
             InitializeComponent();
 
             RenameTb.Focus();
-            
+
             ShowInTaskbar = false;
 
             RenameTb.SelectAll();
+
             _info = info;
             _oldFilePath = _info.FullName;
-            _newFileName = _info.Name;
+            NewFileName = _info.Name;
+            
             
         }
 
         private void OnDoneButtonClick(object sender, RoutedEventArgs e)
         {
+
             // if it's just whitespace and nothing else
-            if (_newFileName.Trim() == "")
+            _api.LogInfo(nameof(RenameFile),$"THIS IS NEW FILE NAME: {NewFileName}");
+            if (NewFileName.Trim() == "" || NewFileName == "")
             {
                 _api.ShowMsgError(string.Format(_api.GetTranslation("plugin_explorer_field_may_not_be_empty"), "New file name"));
-                Show();
                 return;
             }
-            if ()
+            
             try
             {
-                _info.Rename(_newFileName);
+                _info.Rename(NewFileName);
             }
             catch (Exception exception)
             {
@@ -80,16 +77,30 @@ namespace Flow.Launcher.Plugin.Explorer.Views
 
                         _api.ShowMsgError(string.Format(_api.GetTranslation("plugin_explorer_file_not_found"), _oldFilePath));
                         break;
-                    case NotANewNameException notANewNameException:
+                    case NotANewNameException:
-                        _api.ShowMsgError(string.Format(_api.GetTranslation("plugin_explorer_not_a_new_name"), _newFileName));
+                        _api.ShowMsgError(string.Format(_api.GetTranslation("plugin_explorer_not_a_new_name"), NewFileName));
                         _api.ShowMainWindow();
                         break;
+                    case InvalidNameException:
+                        _api.ShowMsgError(string.Format(_api.GetTranslation("plugin_explorer_invalid_name"), NewFileName));
+                        break;
+                    case IOException iOException:
+                        if (iOException.Message.Contains("incorrect"))
+                        {
+                            _api.ShowMsgError(string.Format(_api.GetTranslation("plugin_explorer_invalid_name"), NewFileName));
+                            break;
+                        }
+                        else
+                        {
+                            goto default;
+                        }
                     default:
                         _api.ShowMsgError(exception.ToString());
                         break;
                 }
             }
             Close();
+            
         }
 
         private void BtnCancel(object sender, RoutedEventArgs e)
@@ -112,20 +123,6 @@ namespace Flow.Launcher.Plugin.Explorer.Views
         }
         
         
-        private void RenameTb_Pasting(object sender, DataObjectPastingEventArgs e)
+        
-        {
-            if (e.DataObject.GetDataPresent(DataFormats.Text))
-            {
-                string text = e.DataObject.GetData(DataFormats.Text) as string;
-                if (!string.IsNullOrEmpty(text) && text.Any(char.IsWhiteSpace))
-                {
-                    e.CancelCommand();
-                }
-            }
-            else
-            {
-                e.CancelCommand();
-            }
-        }
     }
 }