public ChatView()
{
InitializeComponent();
BindingContext = new ChatPageViewModel();
ScrollListCommand = new Command(() =>
{
Device.BeginInvokeOnMainThread(() =>
ChatList.ScrollTo((this.BindingContext as ChatPageViewModel).Messages.Last(), ScrollToPosition.End, true)
);
});
}
public ChatPage(ChatRoomLoader _chatRoomLoader)
{
InitializeComponent();
titleLabel.Text = $"{_chatRoomLoader.Title} Room";
current_context = new ChatPageViewModel()
{
Room_ID = _chatRoomLoader.Id
};
this.BindingContext = current_context;
chatRoomLoader = _chatRoomLoader;
Settings_Label.Text = Constants.FontAwe.Cog;
ScrollListCommand = new Command(() =>
{
Device.BeginInvokeOnMainThread(() =>
{
if ((this.BindingContext as ChatPageViewModel).Messages.Count > 0)
{
ChatList.ScrollTo((this.BindingContext as ChatPageViewModel).Messages.LastOrDefault(), ScrollToPosition.End, false);
}
});
});
FocusCommand = new Command(() =>
{
chatInput.FocusEntry();
});
GetPhotoCommand = new Command(async() =>
{
await Navigation.PushModalAsync(new CameraPage(chatRoomLoader));
chatInput.UnFocusEntry();
});
MessagingCenter.Subscribe <object>(this, Constants.go_back, (sender) =>
{
Navigation.PopModalAsync();
});
MessagingCenter.Subscribe <object>(this, Constants.scroll_chat, (sender) =>
{
ScrollListCommand.Execute(null);
});
}
public ChatPage()
{
InitializeComponent();
viewModel = new ChatRoomViewModel();
this.BindingContext = viewModel;
ScrollListCommand = new Command(() =>
{
Device.BeginInvokeOnMainThread(() =>
{
try
{
ChatList.ScrollTo((this.BindingContext as ChatRoomViewModel).Messages.Last(), ScrollToPosition.End, false);
}
catch (Exception)
{
}
}
);
});
}
private void scrollToBottom()
{
var target = chatModels[chatModels.Count - 1];
ChatList.ScrollTo(target, ScrollToPosition.End, true);
}
private void NewMessagge(string obj)
{
var last = ChatList.ItemsSource.Cast <object>().LastOrDefault();
ChatList.ScrollTo(last, ScrollToPosition.MakeVisible, true);
}
public ChatPage(SelectedUser ob, string IdInfo, RequestSpecs requestSpecs)
{
InitializeComponent();
if (requestSpecs.DeliveredAt == "1")
{
ReserveItemObj RO = new ReserveItemObj();
ApiService _apiService = new ApiService();
requestSpecs.DeliveredAt = "0";
RO.requestSpecs = requestSpecs;
_apiService.UpdateItemFTravel(RO);
}
else
{
}
if (IdInfo.Contains("-1"))
{
Back.IsVisible = false;
rowone.Height = 1;
Title = "Chat";
chaterName.Text = IdInfo.Replace("-1", "");
}
else
{
chaterName.Text = IdInfo;
}
ImageURL.Source = ob.image;
this.BindingContext = viewModel = new ChatUIViewModel();
viewModel.travelID = ob.travelerSpecs.Id;
viewModel.requesID = requestSpecs.Id;
viewModel.traveler = ob.travelerSpecs.Email;
viewModel.sender = requestSpecs.Email;
ScrollListCommand = new Command(() =>
{
Device.BeginInvokeOnMainThread(() =>
ChatList.ScrollTo((this.BindingContext as ChatUIViewModel).Messages, ScrollToPosition.End, true)
);
});
MessagingCenter.Subscribe <ChatIntpuBarView, string>(this, "ScrollList", (obj, Item) => {
if (Item == "Done")
{
ScrollListCommand.Execute(null);
}
});
MessagingCenter.Subscribe <App, string>(this, "ChatUpdate", async(obj, item) => {
if (item == "Update")
{
await viewModel.ExecuteLoadItemsCommand();
}
});
lb_backFunc();
void lb_backFunc()
{
try
{
Back.GestureRecognizers.Add(new TapGestureRecognizer()
{
Command = new Command(() =>
{
Navigation.PopModalAsync();
})
});
}
catch (Exception ex) { Debug.WriteLine(ex); }
}
}
private void ScrollToEnd()
{
var v = ChatList.ItemsSource.Cast <object>().LastOrDefault();
ChatList.ScrollTo(v, ScrollToPosition.End, true);
}
