Semi.Avalonia/demo/Semi.Avalonia.Demo/Pages/ManagedFileChooserDemo.axaml.cs
2023-02-01 21:40:46 +08:00

67 lines
1.9 KiB
C#

using System;
using System.Collections.Generic;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Dialogs;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
using Avalonia.Platform.Storage;
namespace Semi.Avalonia.Demo.Pages;
public partial class ManagedFileChooserDemo : UserControl
{
public ManagedFileChooserDemo()
{
InitializeComponent();
openFileDialog.Click += OpenFileDialog;
selectFolderDialog.Click += SelectFolderDialog;
saveFileDialog.Click += SaveFileDialog;
}
private async void OpenFileDialog(object sender, RoutedEventArgs args)
{
IStorageProvider? sp = GetStorageProvider();
if (sp is null) return;
var result = await sp.OpenFilePickerAsync(new FilePickerOpenOptions()
{
Title = "Open File",
FileTypeFilter = GetFileTypes(),
AllowMultiple = true,
});
}
private async void SelectFolderDialog(object sender, RoutedEventArgs args)
{
IStorageProvider? sp = GetStorageProvider();
if (sp is null) return;
var result = await sp.OpenFolderPickerAsync(new FolderPickerOpenOptions()
{
Title = "Select Folder",
AllowMultiple = true,
});
}
private async void SaveFileDialog(object sender, RoutedEventArgs args)
{
IStorageProvider? sp = GetStorageProvider();
if (sp is null) return;
var result = await sp.SaveFilePickerAsync(new FilePickerSaveOptions()
{
Title = "Open File",
});
}
private IStorageProvider? GetStorageProvider()
{
var topLevel = TopLevel.GetTopLevel(this);
return topLevel?.StorageProvider;
}
List<FilePickerFileType>? GetFileTypes()
{
return new List<FilePickerFileType>
{
FilePickerFileTypes.All,
FilePickerFileTypes.TextPlain
};
}
}