HeavenStudio/Assets/Plugins/StandaloneFileBrowser/StandaloneFileBrowserWindows.cs

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C#
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2022-01-30 12:03:37 +00:00
#if UNITY_STANDALONE_WIN
using System;
using System.IO;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using Ookii.Dialogs;
namespace SFB {
// For fullscreen support
// - WindowWrapper class and GetActiveWindow() are required for modal file dialog.
// - "PlayerSettings/Visible In Background" should be enabled, otherwise when file dialog opened app window minimizes automatically.
public class WindowWrapper : IWin32Window {
private IntPtr _hwnd;
public WindowWrapper(IntPtr handle) { _hwnd = handle; }
public IntPtr Handle { get { return _hwnd; } }
}
public class StandaloneFileBrowserWindows : IStandaloneFileBrowser {
[DllImport("user32.dll")]
private static extern IntPtr GetActiveWindow();
public string[] OpenFilePanel(string title, string directory, ExtensionFilter[] extensions, bool multiselect) {
var fd = new VistaOpenFileDialog();
fd.Title = title;
if (extensions != null) {
fd.Filter = GetFilterFromFileExtensionList(extensions);
fd.FilterIndex = 1;
}
else {
fd.Filter = string.Empty;
}
fd.Multiselect = multiselect;
if (!string.IsNullOrEmpty(directory)) {
fd.FileName = GetDirectoryPath(directory);
}
var res = fd.ShowDialog(new WindowWrapper(GetActiveWindow()));
var filenames = res == DialogResult.OK ? fd.FileNames : new string[0];
fd.Dispose();
return filenames;
}
public void OpenFilePanelAsync(string title, string directory, ExtensionFilter[] extensions, bool multiselect, Action<string[]> cb) {
cb.Invoke(OpenFilePanel(title, directory, extensions, multiselect));
}
public string[] OpenFolderPanel(string title, string directory, bool multiselect) {
var fd = new VistaFolderBrowserDialog();
fd.Description = title;
if (!string.IsNullOrEmpty(directory)) {
fd.SelectedPath = GetDirectoryPath(directory);
}
var res = fd.ShowDialog(new WindowWrapper(GetActiveWindow()));
var filenames = res == DialogResult.OK ? new []{ fd.SelectedPath } : new string[0];
fd.Dispose();
return filenames;
}
public void OpenFolderPanelAsync(string title, string directory, bool multiselect, Action<string[]> cb) {
cb.Invoke(OpenFolderPanel(title, directory, multiselect));
}
public string SaveFilePanel(string title, string directory, string defaultName, ExtensionFilter[] extensions) {
var fd = new VistaSaveFileDialog();
fd.Title = title;
var finalFilename = "";
if (!string.IsNullOrEmpty(directory)) {
finalFilename = GetDirectoryPath(directory);
}
if (!string.IsNullOrEmpty(defaultName)) {
finalFilename += defaultName;
}
fd.FileName = finalFilename;
if (extensions != null) {
fd.Filter = GetFilterFromFileExtensionList(extensions);
fd.FilterIndex = 1;
fd.DefaultExt = extensions[0].Extensions[0];
fd.AddExtension = true;
}
else {
fd.DefaultExt = string.Empty;
fd.Filter = string.Empty;
fd.AddExtension = false;
}
var res = fd.ShowDialog(new WindowWrapper(GetActiveWindow()));
var filename = res == DialogResult.OK ? fd.FileName : "";
fd.Dispose();
return filename;
}
public void SaveFilePanelAsync(string title, string directory, string defaultName, ExtensionFilter[] extensions, Action<string> cb) {
cb.Invoke(SaveFilePanel(title, directory, defaultName, extensions));
}
// .NET Framework FileDialog Filter format
// https://msdn.microsoft.com/en-us/library/microsoft.win32.filedialog.filter
private static string GetFilterFromFileExtensionList(ExtensionFilter[] extensions) {
var filterString = "";
foreach (var filter in extensions) {
filterString += filter.Name + "(";
foreach (var ext in filter.Extensions) {
filterString += "*." + ext + ",";
}
filterString = filterString.Remove(filterString.Length - 1);
filterString += ") |";
foreach (var ext in filter.Extensions) {
filterString += "*." + ext + "; ";
}
filterString += "|";
}
filterString = filterString.Remove(filterString.Length - 1);
return filterString;
}
private static string GetDirectoryPath(string directory) {
var directoryPath = Path.GetFullPath(directory);
if (!directoryPath.EndsWith("\\")) {
directoryPath += "\\";
}
if (Path.GetPathRoot(directoryPath) == directoryPath) {
return directory;
}
return Path.GetDirectoryName(directoryPath) + Path.DirectorySeparatorChar;
}
}
}
#endif