void ReleaseDesignerOutlets()
{
if (MessagesScrollView != null)
{
MessagesScrollView.Dispose();
MessagesScrollView = null;
}
if (MessagesTableView != null)
{
MessagesTableView.Dispose();
MessagesTableView = null;
}
if (MessageTextView != null)
{
MessageTextView.Dispose();
MessageTextView = null;
}
if (SendButton != null)
{
SendButton.Dispose();
SendButton = null;
}
}
void ReleaseDesignerOutlets()
{
if (BottomStackViewConstraint != null)
{
BottomStackViewConstraint.Dispose();
BottomStackViewConstraint = null;
}
if (MessagesScrollView != null)
{
MessagesScrollView.Dispose();
MessagesScrollView = null;
}
if (MessagesTableView != null)
{
MessagesTableView.Dispose();
MessagesTableView = null;
}
if (MessageTextView != null)
{
MessageTextView.Dispose();
MessageTextView = null;
}
if (SendButton != null)
{
SendButton.Dispose();
SendButton = null;
}
}
void ReleaseDesignerOutlets()
{
if (ConnectDisconnectButton != null)
{
ConnectDisconnectButton.Dispose();
ConnectDisconnectButton = null;
}
if (MessagesTableView != null)
{
MessagesTableView.Dispose();
MessagesTableView = null;
}
if (MessageTextField != null)
{
MessageTextField.Dispose();
MessageTextField = null;
}
if (SendButton != null)
{
SendButton.Dispose();
SendButton = null;
}
if (ServerUrlTextField != null)
{
ServerUrlTextField.Dispose();
ServerUrlTextField = null;
}
}
public override void ViewDidAppear(bool animated)
{
base.ViewDidAppear(animated);
if (messages.Count > minimumAmountOfMessagesToScroll)
{
MessagesTableView.ScrollToRow(NSIndexPath.FromItemSection((nint)messages.Count - 1, 0), UITableViewScrollPosition.Bottom, true);
}
}
private void AppendMessage(string message)
{
_source.Messages.Add(message);
MessagesTableView.ReloadData();
// Scroll to the bottom
var indexPath = NSIndexPath.FromRowSection(MessagesTableView.NumberOfRowsInSection(0) - 1, 0);
MessagesTableView.ScrollToRow(indexPath, UITableViewScrollPosition.Bottom, animated: true);
}
private void Messages_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
dataSource = new MessagesListDataSource(viewModel.Messages);
MessagesTableView.Source = dataSource;
MessagesTableView.ReloadData();
if (viewModel.Messages.Count > 0)
{
View.BringSubviewToFront(MessagesTableView);
}
}
void ReleaseDesignerOutlets()
{
if (MessagesTableView != null)
{
MessagesTableView.Dispose();
MessagesTableView = null;
}
if (RevealButton != null)
{
RevealButton.Dispose();
RevealButton = null;
}
}
private void UpdateInfo()
{
new Thread(new ThreadStart(async() =>
{
await RemoteService.GetInfo();
UpdateLocalMessages();
InvokeOnMainThread(() =>
{
MessagesTableView.Source = new MessagesTableSource(messages, textField, this);
MessagesTableView.ReloadData();
if (messages.Count > minimumAmountOfMessagesToScroll)
{
MessagesTableView.ScrollToRow(NSIndexPath.FromItemSection((nint)messages.Count - 1, 0), UITableViewScrollPosition.Bottom, true);
}
});
})).Start();
}
void CorrectMessagesList(object sender, UIKeyboardEventArgs args)
{
if (delta > 0)
{
MessagesTableView.Frame = new CGRect(MessagesTableView.Frame.X, MessagesTableView.Frame.Y, View.Frame.Width, MessagesTableView.Frame.Height - delta + 38);
if (messages.Count > minimumAmountOfMessagesToScroll)
{
MessagesTableView.ScrollToRow(NSIndexPath.FromItemSection((nint)messages.Count - 1, 0), UITableViewScrollPosition.Bottom, true);
}
}
else if (delta == 0)
{
}
else
{
}
}
public override void ViewWillAppear(bool animated)
{
base.ViewWillAppear(animated);
ParentViewController.TabBarController.TabBar.Hidden = true;
View.AddSubviews(textField, sendButton);
textField.Placeholder = "Enter your message here";
textField.BorderStyle = UITextBorderStyle.RoundedRect;
sendButton.SetTitle("Send", UIControlState.Normal);
sendButton.SetTitleColor(UIColor.LinkColor, UIControlState.Normal);
sendButton.SetTitleColor(UIColor.Gray, UIControlState.Disabled);
textField.Frame = new CGRect(8, View.Frame.Height - 75, View.Frame.Width - 16 - 60, 30);
textField.Text = "";
sendButton.Frame = new CGRect(View.Frame.Width - 60, View.Frame.Height - 75, 50, 30);
sendButton.Enabled = false;
View.BringSubviewToFront(textField);
View.BringSubviewToFront(sendButton);
sendButton.TouchUpInside += delegate(object sender, EventArgs args) { Send(); };
textField.EditingChanged += (x, y) => { if (textField.Text.Length != 0)
{
sendButton.Enabled = true;
}
else
{
sendButton.Enabled = false;
} };
RemoteService.UpdateMessagesList += UpdateInfo;
UpdateLocalMessages();
UpdateEnteringPossibility();
Constants.ChatIsPresented = true;
MessagesTableView.Frame = new CGRect(0, 0, View.Frame.Width, View.Frame.Height - 83);
MessagesTableView.Source = new MessagesTableSource(messages, textField, this);
MessagesTableView.SeparatorStyle = UITableViewCellSeparatorStyle.None;
MessagesTableView.RowHeight = UITableView.AutomaticDimension;
MessagesTableView.EstimatedRowHeight = 50;
MessagesTableView.ContentInset = new UIEdgeInsets(10, 0, 10, 0);
if (messages.Count > minimumAmountOfMessagesToScroll)
{
MessagesTableView.ScrollToRow(NSIndexPath.FromItemSection((nint)messages.Count - 1, 0), UITableViewScrollPosition.Bottom, false);
}
}
private void GetAndSendTheImage(UIImagePickerMediaPickedEventArgs e)
{
UIImage originalImage = e.Info[UIImagePickerController.OriginalImage] as UIImage;
if (originalImage != null)
{
new Thread(new ThreadStart(async() =>
{
StringBuilder fileName = new StringBuilder();
for (int i = 0; i <= 32; i++)
{
if (i == 8 || i == 16)
{
fileName.Append('-');
i++;
}
if (gnr.NextDouble() < 0.3)
{
fileName.Append(Math.Floor(gnr.NextDouble() * 10));
}
else
{
fileName.Append((char)Convert.ToInt32(Math.Floor(gnr.NextDouble() * 26) + 'a'));
}
}
Message message = new Message()
{
Text = fileName.ToString(),
Sender = Profile.Instance.Status,
SendTime = string.Format($"{DateTime.Now.Day:d2}.{DateTime.Now.Month:d2}.{DateTime.Now.Year} {DateTime.Now.Hour:d2}:{DateTime.Now.Minute:d2}:{DateTime.Now.Second:d2}"),
UserId = messages[0].UserId,
TicketId = messages[0].TicketId,
Type = "Picture"
};
try
{
originalImage.AsJPEG().Save(Constants.Images + fileName.ToString() + ".jpg", false);
if (!File.Exists(Constants.Images + fileName.ToString() + ".jpg"))
{
throw new Exception();
}
UIImage image = await ImageService.Instance.LoadFile(Constants.Images + fileName.ToString() + ".jpg")
.DownSample(width: 385)
.AsUIImageAsync();
image.AsJPEG().Save(Constants.Images + fileName.ToString() + ".jpg", false);
Ticket ticket = RemoteService.Tickets.Find(x => x.Id == message.TicketId);
ticket.LastMessageText = "Picture";
ticket.LastMessageTime = message.SendTime;
await RemoteService.UpdateTicketInfo(ticket);
DateTime previousMessageTime = DateTime.ParseExact(messages[messages.Count - 1].SendTime, "dd.MM.yyyy HH:mm:ss", CultureInfo.InvariantCulture);
Message dateMessage = null;
if (previousMessageTime.Date != DateTime.Today)
{
dateMessage = new Message()
{
Text = $"{DateTime.Now.Day:d2}.{DateTime.Now.Month:d2}.{DateTime.Now.Year}",
Sender = "System",
SendTime = string.Format($"{DateTime.Now.Day:d2}.{DateTime.Now.Month:d2}.{DateTime.Now.Year} {DateTime.Now.Hour:d2}:{DateTime.Now.Minute:d2}:{DateTime.Now.Second:d2}"),
UserId = messages[0].UserId,
TicketId = messages[0].TicketId,
Type = "Text"
};
await RemoteService.SendMessage(dateMessage);
}
} catch (Exception)
{
return;
}
await RemoteService.SendPictureAsAttachment(message, Profile.Instance, Constants.Images + fileName.ToString() + ".jpg");
if (File.Exists(Constants.Images + fileName.ToString() + ".jpg"))
{
File.Delete(Constants.Images + fileName.ToString() + ".jpg");
}
await RemoteService.UpdateMessages();
UpdateLocalMessages();
InvokeOnMainThread(() =>
{
MessagesTableView.Source = new MessagesTableSource(messages, textField, this);
MessagesTableView.ReloadData();
if (messages.Count > minimumAmountOfMessagesToScroll)
{
MessagesTableView.ScrollToRow(NSIndexPath.FromItemSection((nint)messages.Count - 1, 0), UITableViewScrollPosition.Bottom, true);
}
});
})).Start();
}
}
