|
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 | +} |
0 commit comments