v1.2

FSI.BT.Tools/Global/UserInterface/FolderBrowseDialog/FolderDialog.cs

@@ -0,0 +1,170 @@
+// <copyright file="FolderDialog.cs" company="PlaceholderCompany">
+// Copyright (c) PlaceholderCompany. All rights reserved.
+// </copyright>
+
+namespace FSI.BT.Tools.Global.UserInterface.FolderBrowseDialog
+{
+    using System;
+    using System.IO;
+    using System.Runtime.InteropServices;
+    using System.Windows.Forms;
+    using FSI.BT.Tools.Global.Utilities;
+    using FSI.BT.Tools.SystemTrayMenu.Utilities;
+
+    public class FolderDialog : IFolderDialog, IDisposable
+    {
+        private bool isDisposed;
+
+        ~FolderDialog() // the finalizer
+        {
+            Dispose(false);
+        }
+
+        /// <summary>
+        /// Gets or sets /sets folder in which dialog will be open.
+        /// </summary>
+        public string InitialFolder { get; set; }
+
+        /// <summary>
+        /// Gets or sets /sets directory in which dialog will be open
+        /// if there is no recent directory available.
+        /// </summary>
+        public string DefaultFolder { get; set; }
+
+        /// <summary>
+        /// Gets or sets selected folder.
+        /// </summary>
+        public string Folder { get; set; }
+
+        public DialogResult ShowDialog()
+        {
+            return ShowDialog(owner: new WindowWrapper(IntPtr.Zero));
+        }
+
+        public DialogResult ShowDialog(IWin32Window owner)
+        {
+            if (Environment.OSVersion.Version.Major >= 6)
+            {
+                return ShowVistaDialog(owner);
+            }
+            else
+            {
+                return ShowLegacyDialog(owner);
+            }
+        }
+
+        public DialogResult ShowVistaDialog(IWin32Window owner)
+        {
+            NativeMethods.IFileDialog frm = (NativeMethods.IFileDialog)new NativeMethods.FileOpenDialogRCW();
+            frm.GetOptions(out uint options);
+            options |= NativeMethods.FOS_PICKFOLDERS |
+                       NativeMethods.FOS_FORCEFILESYSTEM |
+                       NativeMethods.FOS_NOVALIDATE |
+                       NativeMethods.FOS_NOTESTFILECREATE |
+                       NativeMethods.FOS_DONTADDTORECENT;
+            frm.SetOptions(options);
+            if (InitialFolder != null)
+            {
+                Guid riid = new("43826D1E-E718-42EE-BC55-A1E261C37BFE"); // IShellItem
+                if (NativeMethods.SHCreateItemFromParsingName(
+                    InitialFolder,
+                    IntPtr.Zero,
+                    ref riid,
+                    out NativeMethods.IShellItem directoryShellItem) == NativeMethods.S_OK)
+                {
+                    frm.SetFolder(directoryShellItem);
+                }
+            }
+
+            if (DefaultFolder != null)
+            {
+                Guid riid = new("43826D1E-E718-42EE-BC55-A1E261C37BFE"); // IShellItem
+                if (NativeMethods.SHCreateItemFromParsingName(
+                    DefaultFolder,
+                    IntPtr.Zero,
+                    ref riid,
+                    out NativeMethods.IShellItem directoryShellItem) == NativeMethods.S_OK)
+                {
+                    frm.SetDefaultFolder(directoryShellItem);
+                }
+            }
+
+            if (owner != null && frm.Show(owner.Handle) == NativeMethods.S_OK)
+            {
+                try
+                {
+                    if (frm.GetResult(out NativeMethods.IShellItem shellItem) == NativeMethods.S_OK)
+                    {
+                        if (shellItem.GetDisplayName(
+                            NativeMethods.SIGDN_FILESYSPATH,
+                            out IntPtr pszString) == NativeMethods.S_OK)
+                        {
+                            if (pszString != IntPtr.Zero)
+                            {
+                                try
+                                {
+                                    Folder = Marshal.PtrToStringAuto(pszString);
+                                    return DialogResult.OK;
+                                }
+                                finally
+                                {
+                                    Marshal.FreeCoTaskMem(pszString);
+                                }
+                            }
+                        }
+                    }
+                }
+                catch (Exception ex)
+                {
+                    Log.Warn("Folder Dialog failed", ex);
+                }
+            }
+
+            return DialogResult.Cancel;
+        }
+
+        public DialogResult ShowLegacyDialog(IWin32Window owner)
+        {
+            using SaveFileDialog frm = new()
+            {
+                CheckFileExists = false,
+                CheckPathExists = true,
+                CreatePrompt = false,
+                Filter = "|" + Guid.Empty.ToString(),
+                FileName = "any",
+            };
+            if (InitialFolder != null)
+            {
+                frm.InitialDirectory = InitialFolder;
+            }
+
+            frm.OverwritePrompt = false;
+            frm.Title = Global.Utilities.Translator.GetText("Select directory");
+            frm.ValidateNames = false;
+            if (frm.ShowDialog(owner) == DialogResult.OK)
+            {
+                Folder = Path.GetDirectoryName(frm.FileName);
+                return DialogResult.OK;
+            }
+            else
+            {
+                return DialogResult.Cancel;
+            }
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (!isDisposed)
+            {
+            }
+
+            isDisposed = true;
+        }
+    }
+}