private async void ChatMessageTextBox_TextChanged(object sender, TextChangedEventArgs e)
{
try
{
this.HideIntellisense();
string tag = this.ChatMessageTextBox.Text.Split(' ').LastOrDefault();
if (!string.IsNullOrEmpty(tag))
{
if (tag.StartsWith("@"))
{
string filter = tag.Substring(1);
List <UserViewModel> users = (await ChannelSession.ActiveUsers.GetAllUsers()).ToList();
if (!string.IsNullOrEmpty(filter))
{
users = users.Where(u => !string.IsNullOrEmpty(u.UserName) && u.UserName.StartsWith(filter, StringComparison.InvariantCultureIgnoreCase)).ToList();
}
users = users.OrderBy(u => u.UserName).Take(5).Reverse().ToList();
if (users.Count > 0)
{
this.indexOfTag = this.ChatMessageTextBox.Text.LastIndexOf(tag);
UsernameIntellisenseListBox.ItemsSource = users;
// Select the bottom user
UsernameIntellisenseListBox.SelectedIndex = users.Count - 1;
Rect positionOfCarat = this.ChatMessageTextBox.GetRectFromCharacterIndex(this.ChatMessageTextBox.CaretIndex, true);
Point topLeftOffset = this.ChatMessageTextBox.TransformToAncestor(this).Transform(new Point(positionOfCarat.Left, positionOfCarat.Top));
ShowUserIntellisense(topLeftOffset.X, topLeftOffset.Y, users.Count);
}
}
else
{
List <EmoticonImage> emoticonImages = ShouldSendAsStreamer() ?
ChannelSession.FindMatchingEmoticonsForUser(tag).ToList() :
ChannelSession.FindMatchingEmoticonsForBot(tag).ToList();
if (emoticonImages.Count > 0)
{
emoticonImages = emoticonImages.Take(5).Reverse().ToList();
this.indexOfTag = this.ChatMessageTextBox.Text.LastIndexOf(tag);
EmoticonIntellisenseListBox.ItemsSource = emoticonImages;
// Select the bottom icon
EmoticonIntellisenseListBox.SelectedIndex = emoticonImages.Count - 1;
Rect positionOfCarat = this.ChatMessageTextBox.GetRectFromCharacterIndex(this.ChatMessageTextBox.CaretIndex, true);
Point topLeftOffset = this.ChatMessageTextBox.TransformToAncestor(this).Transform(new Point(positionOfCarat.Left, positionOfCarat.Top));
ShowEmoticonIntellisense(topLeftOffset.X, topLeftOffset.Y, emoticonImages.Count);
}
}
}
}
catch (Exception ex) { Logger.Log(ex); }
}
