77 lines
2.2 KiB
C#
77 lines
2.2 KiB
C#
using System;
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using System.Threading.Tasks;
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Interactivity;
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using Avalonia.Threading;
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using Avalonia.Platform.Storage;
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using XSDVisualiser.Core;
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using XSDVisualiser.Models;
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using XSDVisualiser.Desktop.ViewModels;
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namespace XSDVisualiser.Desktop.Views;
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public partial class HeaderView : UserControl
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{
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private readonly Button? _openBtn;
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public HeaderView()
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{
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InitializeComponent();
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_openBtn = this.FindControl<Button>("OpenBtn");
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if (_openBtn != null)
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{
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_openBtn.Click += OpenBtn_Click;
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}
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}
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private async void OpenBtn_Click(object? sender, RoutedEventArgs e)
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{
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if (TopLevel.GetTopLevel(this) is not Window topLevel)
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return;
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var storageProvider = topLevel.StorageProvider;
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var options = new FilePickerOpenOptions
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{
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AllowMultiple = false,
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Title = "Open XSD file",
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FileTypeFilter =
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[
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new FilePickerFileType("XSD schema")
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{
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Patterns = ["*.xsd"]
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}
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]
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};
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var results = await storageProvider.OpenFilePickerAsync(options);
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if (results.Count <= 0) return;
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var file = results[0];
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var path = file.TryGetLocalPath();
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if (!string.IsNullOrEmpty(path))
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{
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await ParseAndShowAsync(path!, topLevel);
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}
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else
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{
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Dispatcher.UIThread.Post(() => topLevel.DataContext = new MainWindowViewModel(new SchemaModel { TargetNamespace = "Selected file is not a local file. Please choose a local .xsd." }));
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}
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}
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private Task ParseAndShowAsync(string path, Window hostWindow)
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{
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return Task.Run(() =>
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{
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try
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{
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var parser = new XsdSchemaParser();
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var model = parser.Parse(path);
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Dispatcher.UIThread.Post(() => hostWindow.DataContext = new MainWindowViewModel(model));
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}
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catch (Exception ex)
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{
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Dispatcher.UIThread.Post(() => hostWindow.DataContext = new MainWindowViewModel(new SchemaModel { TargetNamespace = ex.Message }));
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}
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});
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}
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} |