Fix IDE class grouping

Source/LibationAvalonia/Views/MainWindow.Export.cs

@@ -0,0 +1,52 @@
+using ApplicationServices;
+using Avalonia.Controls;
+using System;
+using System.Linq;
+
+namespace LibationAvalonia.Views
+{
+	//DONE
+	public partial class MainWindow
+	{
+		private void Configure_Export() { }
+
+		public async void exportLibraryToolStripMenuItem_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
+		{
+			try
+			{
+				var saveFileDialog = new SaveFileDialog
+				{
+					Title = "Where to export Library",
+				};
+				saveFileDialog.Filters.Add(new FileDialogFilter { Name = "Excel Workbook (*.xlsx)", Extensions = new() { "xlsx" } });
+				saveFileDialog.Filters.Add(new FileDialogFilter { Name = "CSV files (*.csv)", Extensions = new() { "csv" } });
+				saveFileDialog.Filters.Add(new FileDialogFilter { Name = "JSON files (*.json)", Extensions = new() { "json" } });
+				saveFileDialog.Filters.Add(new FileDialogFilter { Name = "All files (*.*)", Extensions = new() { "*" } });
+
+				var fileName = await saveFileDialog.ShowAsync(this);
+				if (fileName is null) return;
+
+				var ext = System.IO.Path.GetExtension(fileName);
+				switch (ext)
+				{
+					case "xlsx": // xlsx
+					default:
+						LibraryExporter.ToXlsx(fileName);
+						break;
+					case "csv": // csv
+						LibraryExporter.ToCsv(fileName);
+						break;
+					case "json": // json
+						LibraryExporter.ToJson(fileName);
+						break;
+				}
+
+				await MessageBox.Show("Library exported to:\r\n" + fileName, "Library Exported");
+			}
+			catch (Exception ex)
+			{
+				await MessageBox.ShowAdminAlert(this, "Error attempting to export your library.", "Error exporting", ex);
+			}
+		}
+	}
+}