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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,25 +1,18 @@ | ||
| using Chat.Helpers; | ||
| using Windows.ApplicationModel.Chat; | ||
| using Windows.UI.Xaml; | ||
| using Chat.ViewModels; | ||
| using Windows.UI.Xaml.Controls; | ||
|
|
||
| // The User Control item template is documented at https://go.microsoft.com/fwlink/?LinkId=234236 | ||
|
|
||
| namespace Chat.Controls | ||
| { | ||
| public sealed partial class ChatMessageViewControl : UserControl | ||
| { | ||
| private ChatMessage message; | ||
| public ChatMessageViewControl(ChatMessage message) | ||
| public ChatMessageViewModel ViewModel { get; } = new ChatMessageViewModel(""); | ||
|
|
||
| public string messageId; | ||
| public ChatMessageViewControl(string messageId) | ||
| { | ||
| this.InitializeComponent(); | ||
| this.message = message; | ||
| if (!message.IsIncoming) | ||
| { | ||
| ChatBubble.HorizontalAlignment = HorizontalAlignment.Right; | ||
| BgColor.Opacity = 0.75; | ||
| } | ||
| DateTimeLabel.Text = message.LocalTimestamp.ToLocalTime().ToRelativeString(); | ||
| this.messageId = messageId; | ||
| ViewModel.Initialize(messageId); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| using Chat.Common; | ||
| using Chat.Helpers; | ||
| using System; | ||
| using System.Threading.Tasks; | ||
| using Windows.ApplicationModel.Chat; | ||
| using Windows.ApplicationModel.Contacts; | ||
| using Windows.ApplicationModel.Core; | ||
| using Windows.UI.Core; | ||
| using Windows.UI.Xaml; | ||
|
|
||
| namespace Chat.ViewModels | ||
| { | ||
| public class ChatMessageViewModel : Observable | ||
| { | ||
| private DateTime _timeStamp; | ||
| public DateTime TimeStamp | ||
| { | ||
| get { return _timeStamp; } | ||
| set { Set(ref _timeStamp, value); } | ||
| } | ||
|
|
||
| private string _messageBody; | ||
| public string MessageBody | ||
| { | ||
| get { return _messageBody; } | ||
| set { Set(ref _messageBody, value); } | ||
| } | ||
|
|
||
| private Contact _contact; | ||
| public Contact Contact | ||
| { | ||
| get { return _contact; } | ||
| set { Set(ref _contact, value); } | ||
| } | ||
|
|
||
| private HorizontalAlignment _alignment; | ||
| public HorizontalAlignment Alignment | ||
| { | ||
| get { return _alignment; } | ||
| set { Set(ref _alignment, value); } | ||
| } | ||
|
|
||
| private ChatMessageStore _store; | ||
| private string _messageid; | ||
|
|
||
|
|
||
| // Constructor | ||
| public ChatMessageViewModel(string MessageId) | ||
| { | ||
| Initialize(MessageId); | ||
| } | ||
|
|
||
| // Initialize Stuff | ||
| public async void Initialize(string MessageId) | ||
| { | ||
| if (string.IsNullOrEmpty(MessageId)) | ||
| return; | ||
|
|
||
| _store = await ChatMessageManager.RequestStoreAsync(); | ||
| _messageid = MessageId; | ||
|
|
||
| Contact = await GetContactInformation(); | ||
| (MessageBody, TimeStamp, Alignment) = await GetMessageInfo(); | ||
|
|
||
| _store.ChangeTracker.Enable(); | ||
| _store.StoreChanged += Store_StoreChanged; | ||
| } | ||
|
|
||
| // Methods | ||
| private async Task<Contact> GetContactInformation() | ||
| { | ||
| var msg = await _store.GetMessageAsync(_messageid); | ||
|
|
||
| if (!msg.IsIncoming) | ||
| return await ContactUtils.GetMyself(); | ||
|
|
||
| return await ContactUtils.BindPhoneNumberToGlobalContact(msg.From); | ||
| } | ||
|
|
||
| private async Task<(string, DateTime, HorizontalAlignment)> GetMessageInfo() | ||
| { | ||
| var msg = await _store.GetMessageAsync(_messageid); | ||
| var align = msg.IsIncoming ? HorizontalAlignment.Left : HorizontalAlignment.Right; | ||
| return (msg.Body, msg.LocalTimestamp.LocalDateTime, align); | ||
| } | ||
|
|
||
| private async void Store_StoreChanged(ChatMessageStore sender, ChatMessageStoreChangedEventArgs args) | ||
| { | ||
| switch (args.Kind) | ||
| { | ||
| case ChatStoreChangedEventKind.MessageDeleted: | ||
| { | ||
| await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, | ||
| () => | ||
| { | ||
| MessageBody = "Deleted message"; | ||
| }); | ||
| _store.StoreChanged -= Store_StoreChanged; | ||
| break; | ||
| } | ||
| case ChatStoreChangedEventKind.MessageModified: | ||
| { | ||
| (var body, var ts, var align) = await GetMessageInfo(); | ||
|
|
||
| await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, | ||
| () => | ||
| { | ||
| (MessageBody, TimeStamp) = (body, ts); | ||
| }); | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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