|
1 |
| -// Licensed to the .NET Foundation under one or more agreements. |
2 |
| -// The .NET Foundation licenses this file to you under the MIT license. |
3 |
| -// See the LICENSE file in the project root for more information. |
4 |
| - |
5 |
| -using System.Windows.Input; |
6 |
| -using CommunityToolkit.Mvvm.ComponentModel; |
7 |
| -using CommunityToolkit.Mvvm.Input; |
8 |
| -using CommunityToolkit.Mvvm.Messaging; |
9 |
| -using CommunityToolkit.Mvvm.Messaging.Messages; |
| 1 | +// Licensed to the .NET Foundation under one or more agreements. |
| 2 | +// The .NET Foundation licenses this file to you under the MIT license. |
| 3 | +// See the LICENSE file in the project root for more information. |
| 4 | + |
| 5 | +using System.Windows.Input; |
| 6 | +using CommunityToolkit.Mvvm.ComponentModel; |
| 7 | +using CommunityToolkit.Mvvm.Input; |
| 8 | +using CommunityToolkit.Mvvm.Messaging; |
| 9 | +using CommunityToolkit.Mvvm.Messaging.Messages; |
10 | 10 | using MvvmSample.Core.Services;
|
11 |
| - |
12 |
| -namespace MvvmSample.Core.ViewModels; |
13 |
| - |
14 |
| -public class MessengerPageViewModel : SamplePageViewModel |
15 |
| -{ |
16 |
| - public MessengerPageViewModel(IFilesService filesService) |
17 |
| - : base(filesService) |
18 |
| - { |
19 |
| - RequestCurrentUsernameCommand = new RelayCommand(RequestCurrentUsername); |
20 |
| - ResetCurrentUsernameCommand = new RelayCommand(ResetCurrentUsername); |
21 |
| - } |
22 |
| - |
23 |
| - public ICommand RequestCurrentUsernameCommand { get; } |
24 |
| - public ICommand ResetCurrentUsernameCommand { get; } |
25 |
| - |
26 |
| - public UserSenderViewModel SenderViewModel { get; } = new(); |
27 |
| - |
28 |
| - public UserReceiverViewModel ReceiverViewModel { get; } = new(); |
29 |
| - |
30 |
| - // Simple viewmodel for a module sending a username message |
31 |
| - public class UserSenderViewModel : ObservableRecipient |
32 |
| - { |
33 |
| - public UserSenderViewModel() |
34 |
| - { |
35 |
| - SendUserMessageCommand = new RelayCommand(SendUserMessage); |
36 |
| - } |
37 |
| - |
38 |
| - public ICommand SendUserMessageCommand { get; } |
39 |
| - |
40 |
| - private string username = "Bob"; |
41 |
| - |
42 |
| - public string Username |
43 |
| - { |
44 |
| - get => username; |
45 |
| - private set => SetProperty(ref username, value); |
46 |
| - } |
47 |
| - |
48 |
| - protected override void OnActivated() |
49 |
| - { |
50 |
| - Messenger.Register<UserSenderViewModel, CurrentUsernameRequestMessage>(this, (r, m) => m.Reply(r.Username)); |
51 |
| - } |
52 |
| - |
53 |
| - public void SendUserMessage() |
54 |
| - { |
55 |
| - Username = Username == "Bob" ? "Alice" : "Bob"; |
56 |
| - |
57 |
| - Messenger.Send(new UsernameChangedMessage(Username)); |
58 |
| - } |
59 |
| - } |
60 |
| - |
61 |
| - // Simple viewmodel for a module receiving a username message |
62 |
| - public class UserReceiverViewModel : ObservableRecipient |
63 |
| - { |
64 |
| - private string username = ""; |
65 |
| - |
66 |
| - public string Username |
67 |
| - { |
68 |
| - get => username; |
69 |
| - private set => SetProperty(ref username, value); |
70 |
| - } |
71 |
| - |
72 |
| - protected override void OnActivated() |
73 |
| - { |
74 |
| - Messenger.Register<UserReceiverViewModel, UsernameChangedMessage>(this, (r, m) => r.Username = m.Value); |
75 |
| - } |
76 |
| - } |
77 |
| - |
78 |
| - private string? username; |
79 |
| - |
80 |
| - public string? Username |
81 |
| - { |
82 |
| - get => username; |
83 |
| - private set => SetProperty(ref username, value); |
84 |
| - } |
85 |
| - |
86 |
| - public void RequestCurrentUsername() |
87 |
| - { |
88 |
| - Username = WeakReferenceMessenger.Default.Send<CurrentUsernameRequestMessage>(); |
89 |
| - } |
90 |
| - |
91 |
| - public void ResetCurrentUsername() |
92 |
| - { |
93 |
| - Username = null; |
94 |
| - } |
95 |
| - |
96 |
| - // A sample message with a username value |
97 |
| - public sealed class UsernameChangedMessage : ValueChangedMessage<string> |
98 |
| - { |
99 |
| - public UsernameChangedMessage(string value) : base(value) |
100 |
| - { |
101 |
| - } |
102 |
| - } |
103 |
| - |
104 |
| - // A sample request message to get the current username |
105 |
| - public sealed class CurrentUsernameRequestMessage : RequestMessage<string> |
106 |
| - { |
107 |
| - } |
108 |
| -} |
| 11 | + |
| 12 | +namespace MvvmSample.Core.ViewModels; |
| 13 | + |
| 14 | +public class MessengerPageViewModel : SamplePageViewModel |
| 15 | +{ |
| 16 | + public MessengerPageViewModel(IFilesService filesService) |
| 17 | + : base(filesService) |
| 18 | + { |
| 19 | + RequestCurrentUsernameCommand = new RelayCommand(RequestCurrentUsername); |
| 20 | + ResetCurrentUsernameCommand = new RelayCommand(ResetCurrentUsername); |
| 21 | + } |
| 22 | + |
| 23 | + public ICommand RequestCurrentUsernameCommand { get; } |
| 24 | + public ICommand ResetCurrentUsernameCommand { get; } |
| 25 | + |
| 26 | + public UserSenderViewModel SenderViewModel { get; } = new(); |
| 27 | + |
| 28 | + public UserReceiverViewModel ReceiverViewModel { get; } = new(); |
| 29 | + |
| 30 | + // Simple viewmodel for a module sending a username message |
| 31 | + public class UserSenderViewModel : ObservableRecipient |
| 32 | + { |
| 33 | + public UserSenderViewModel() |
| 34 | + { |
| 35 | + SendUserMessageCommand = new RelayCommand(SendUserMessage); |
| 36 | + } |
| 37 | + |
| 38 | + public ICommand SendUserMessageCommand { get; } |
| 39 | + |
| 40 | + private string username = "Bob"; |
| 41 | + |
| 42 | + public string Username |
| 43 | + { |
| 44 | + get => username; |
| 45 | + private set => SetProperty(ref username, value); |
| 46 | + } |
| 47 | + |
| 48 | + protected override void OnActivated() |
| 49 | + { |
| 50 | + Messenger.Register<UserSenderViewModel, CurrentUsernameRequestMessage>(this, (r, m) => m.Reply(r.Username)); |
| 51 | + } |
| 52 | + |
| 53 | + public void SendUserMessage() |
| 54 | + { |
| 55 | + Username = Username == "Bob" ? "Alice" : "Bob"; |
| 56 | + |
| 57 | + Messenger.Send(new UsernameChangedMessage(Username)); |
| 58 | + } |
| 59 | + } |
| 60 | + |
| 61 | + // Simple viewmodel for a module receiving a username message |
| 62 | + public class UserReceiverViewModel : ObservableRecipient |
| 63 | + { |
| 64 | + private string username = ""; |
| 65 | + |
| 66 | + public string Username |
| 67 | + { |
| 68 | + get => username; |
| 69 | + private set => SetProperty(ref username, value); |
| 70 | + } |
| 71 | + |
| 72 | + protected override void OnActivated() |
| 73 | + { |
| 74 | + Messenger.Register<UserReceiverViewModel, UsernameChangedMessage>(this, (r, m) => r.Username = m.Value); |
| 75 | + } |
| 76 | + } |
| 77 | + |
| 78 | + private string? username; |
| 79 | + |
| 80 | + public string? Username |
| 81 | + { |
| 82 | + get => username; |
| 83 | + private set => SetProperty(ref username, value); |
| 84 | + } |
| 85 | + |
| 86 | + public void RequestCurrentUsername() |
| 87 | + { |
| 88 | + Username = WeakReferenceMessenger.Default.Send<CurrentUsernameRequestMessage>(); |
| 89 | + } |
| 90 | + |
| 91 | + public void ResetCurrentUsername() |
| 92 | + { |
| 93 | + Username = null; |
| 94 | + } |
| 95 | + |
| 96 | + // A sample message with a username value |
| 97 | + public sealed class UsernameChangedMessage : ValueChangedMessage<string> |
| 98 | + { |
| 99 | + public UsernameChangedMessage(string value) : base(value) |
| 100 | + { |
| 101 | + } |
| 102 | + } |
| 103 | + |
| 104 | + // A sample request message to get the current username |
| 105 | + public sealed class CurrentUsernameRequestMessage : RequestMessage<string> |
| 106 | + { |
| 107 | + } |
| 108 | +} |
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