Steven Kirk
10 years ago
21 changed files with 471 additions and 57 deletions
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using Perspex.Threading; |
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namespace XamlTestApplication.ViewModels |
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{ |
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using ReactiveUI; |
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using System; |
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using System.Collections.Generic; |
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using System.Collections.ObjectModel; |
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using System.Linq; |
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using System.Text; |
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using System.Threading.Tasks; |
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public class ShellViewModel : ReactiveObject |
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{ |
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private ShellViewModel() |
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{ |
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documents = new ObservableCollection<EditorViewModel>(); |
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AddDocumentCommand = ReactiveCommand.Create(); |
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AddDocumentCommand.Subscribe(_ => |
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{ |
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Documents.Add(new EditorViewModel()); |
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}); |
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GCCommand = ReactiveCommand.Create(); |
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GCCommand.Subscribe(_ => |
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{ |
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GC.Collect(); |
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}); |
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} |
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public static ShellViewModel Instance = new ShellViewModel(); |
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private ObservableCollection<EditorViewModel> documents; |
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public ObservableCollection<EditorViewModel> Documents |
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{ |
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get { return documents; } |
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set { this.RaiseAndSetIfChanged(ref documents, value); } |
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} |
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private EditorViewModel selectedDocument; |
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public EditorViewModel SelectedDocument |
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{ |
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get { return selectedDocument; } |
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set { this.RaiseAndSetIfChanged(ref selectedDocument, value); } |
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} |
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private int instanceCount; |
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public int InstanceCount |
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{ |
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get { return instanceCount; } |
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set { this.RaiseAndSetIfChanged(ref instanceCount, value); } |
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} |
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public ReactiveCommand<object> AddDocumentCommand { get; } |
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public ReactiveCommand<object> GCCommand { get; } |
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} |
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public class EditorViewModel : ReactiveObject |
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{ |
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private static int InstanceCount = 0; |
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public EditorViewModel() |
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{ |
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InstanceCount++; |
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ShellViewModel.Instance.InstanceCount = InstanceCount; |
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text = "This is some text."; |
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CloseCommand = ReactiveCommand.Create(); |
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CloseCommand.Subscribe(_ => |
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{ |
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ShellViewModel.Instance.Documents.Remove(this); |
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}); |
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} |
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~EditorViewModel() |
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{ |
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//System.Console.WriteLine("EVM Destructed");
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InstanceCount--; |
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Dispatcher.UIThread.InvokeAsync(() => |
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{ |
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ShellViewModel.Instance.InstanceCount = InstanceCount; |
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}); |
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} |
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private string text; |
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public string Text |
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{ |
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get { return text; } |
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set { this.RaiseAndSetIfChanged(ref text, value); } |
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} |
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public ReactiveCommand<object> CloseCommand { get; } |
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} |
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} |
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@ -0,0 +1,49 @@ |
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// Copyright (c) The Perspex Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using Perspex.Controls; |
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using Perspex.UnitTests; |
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using Xunit; |
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namespace Perspex.Input.UnitTests |
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{ |
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public class InputElement_Focus |
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{ |
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[Fact] |
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public void Focus_Should_Set_FocusManager_Current() |
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{ |
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Button target; |
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using (UnitTestApplication.Start(TestServices.RealFocus)) |
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{ |
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var root = new TestRoot |
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{ |
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Child = target = new Button() |
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}; |
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target.Focus(); |
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Assert.Same(target, FocusManager.Instance.Current); |
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} |
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} |
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[Fact] |
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public void Focus_Should_Be_Cleared_When_Control_Is_Removed_From_VisualTree() |
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{ |
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Button target; |
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using (UnitTestApplication.Start(TestServices.RealFocus)) |
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{ |
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var root = new TestRoot |
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{ |
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Child = target = new Button() |
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}; |
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target.Focus(); |
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root.Child = null; |
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Assert.Null(FocusManager.Instance.Current); |
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} |
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} |
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} |
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} |
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