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Beyhan Oğur
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#region License
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// Copyright (C) 2020 Reetus
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#endregion
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using System;
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using System.Collections.ObjectModel;
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using System.Linq;
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using System.Text.RegularExpressions;
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using System.Windows.Input;
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using System.Windows.Media;
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using ClassicAssist.Shared;
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using ClassicAssist.Data.Chat;
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using ClassicAssist.Data.Macros.Commands;
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using ClassicAssist.Misc;
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using ClassicAssist.Shared.Resources;
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using ClassicAssist.Shared.UO;
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namespace ClassicAssist.UI.ViewModels
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{
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public class ChatViewModel : BaseViewModel
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{
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private readonly SolidColorBrush _defaultBrush =
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new SolidColorBrush( Color.FromArgb( 0xff, 0xcc, 0xcc, 0xcc ) );
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private readonly SolidColorBrush _enemyBrush = new SolidColorBrush( Colors.Orange );
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private readonly SolidColorBrush _friendBrush = new SolidColorBrush( Colors.LimeGreen );
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// ReSharper disable once PrivateFieldCanBeConvertedToLocalVariable
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private readonly ChatManager _manager;
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private ICommand _changeChannelCommand;
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private ObservableCollection<string> _channels = new ObservableCollection<string>();
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private string _currentChannel;
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private ObservableCollection<ChatMessage> _messages = new ObservableCollection<ChatMessage>();
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private string _selectedChannel;
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private string _title;
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private ICommand _toggleOptionCommand;
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private bool _topmost = true;
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private ObservableCollection<ChatUser> _users = new ObservableCollection<ChatUser>();
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public ChatViewModel()
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{
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_manager = ChatManager.GetInstance();
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_manager.UserJoinedEvent += OnUserJoined;
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_manager.UserLeftEvent += OnUserLeft;
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_manager.ClearUsersEvent += OnClearUsers;
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_manager.JoinedChatChannelEvent += OnJoinedChatChannel;
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_manager.LeftChatChannelEvent += OnLeftChatChannel;
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Engine.DisconnectedEvent += () => OnLeftChatChannel( string.Empty );
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_manager.ChannelCreatedEvent += OnChannelCreated;
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_manager.ChannelRemovedEvent += OnChannelRemoved;
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if ( !string.IsNullOrEmpty( _manager.CurrentChannel ) )
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{
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OnJoinedChatChannel( _manager.CurrentChannel );
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}
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else
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{
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UpdateTitle( Strings.Chat );
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}
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foreach ( string user in _manager.Users )
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{
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//TODO2
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Users.AddSorted( new ChatUser { Username = user/*, Colour = GetUserColour( user )*/ } );
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}
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foreach ( string channel in _manager.Channels )
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{
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OnChannelCreated( channel );
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}
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//foreach ( ChatMessage message in _manager.Messages )
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//{
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// Messages.Add( message );
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//}
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_manager.ChatMessageEvent += OnChatMessage;
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}
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public ICommand ChangeChannelCommand =>
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_changeChannelCommand ??
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( _changeChannelCommand = new RelayCommand( ChangeChannel, o => Channels.Count != 0 ) );
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public ObservableCollection<string> Channels
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{
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get => _channels;
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set => SetProperty( ref _channels, value );
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}
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public string CurrentChannel
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{
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get => _currentChannel;
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set => SetProperty( ref _currentChannel, value );
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}
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public ObservableCollection<ChatMessage> Messages
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{
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get => _messages;
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set => SetProperty( ref _messages, value );
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}
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public string SelectedChannel
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{
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get => _selectedChannel;
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set => SetProperty( ref _selectedChannel, value );
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}
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public string Title
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{
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get => _title;
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set => SetProperty( ref _title, value );
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}
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public ICommand ToggleOptionCommand =>
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_toggleOptionCommand ?? ( _toggleOptionCommand = new RelayCommand( ToggleOption, o => true ) );
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public bool Topmost
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{
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get => _topmost;
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set => SetProperty( ref _topmost, value );
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}
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public ObservableCollection<ChatUser> Users
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{
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get => _users;
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set => SetProperty( ref _users, value );
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}
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private static void ToggleOption( object obj )
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{
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}
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private void ChangeChannel( object obj )
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{
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if ( !( obj is string channel ) )
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{
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return;
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}
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_dispatcher.Invoke( () => { Commands.JoinChatChannel( channel ); } );
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}
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private void OnChannelRemoved( string channel )
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{
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_dispatcher.Invoke( () => { Channels.Remove( channel ); } );
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}
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private void OnChannelCreated( string channel )
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{
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_dispatcher.Invoke( () => { Channels.Add( channel ); } );
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}
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private void OnChatMessage( string username, string channel, string message )
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{
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_dispatcher.Invoke( () => Messages.Add( new ChatMessage
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{
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//TODO2
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Username = username,
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Channel = channel,
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Text = message/*, Colour = GetUserColour( username )*/
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} ) );
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}
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private void OnLeftChatChannel( string channel )
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{
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_dispatcher.Invoke( () =>
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{
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Users.Clear();
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CurrentChannel = null;
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SelectedChannel = null;
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UpdateTitle( string.Empty );
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} );
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}
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private void UpdateTitle( string channel )
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{
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if ( string.IsNullOrEmpty( channel ) )
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{
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Title = Strings.Chat;
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return;
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}
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Title = $"{Strings.Chat} - {channel}";
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}
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private void OnJoinedChatChannel( string channel )
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{
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_dispatcher.Invoke( () =>
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{
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CurrentChannel = channel;
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SelectedChannel = channel;
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UpdateTitle( channel );
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} );
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}
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private void OnClearUsers()
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{
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_dispatcher.Invoke( () => Users.Clear() );
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}
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private void OnUserLeft( string username, string channel )
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{
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_dispatcher.Invoke( () => { Users.Remove( Users.FirstOrDefault( u => u.Username == username ) ); } );
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}
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private void OnUserJoined( string username, string channel )
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{
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_dispatcher.Invoke( () =>
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{
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//TODO2
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ChatUser user = new ChatUser { Username = username/*, Colour = GetUserColour( username )*/ };
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Users.AddSorted( user );
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} );
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}
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private SolidColorBrush GetUserColour( string username )
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{
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try
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{
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Match matches = Regex.Match( username, @"<(.*)>\s*(.*)" );
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if ( !matches.Success )
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{
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return _defaultBrush;
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}
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int serial = int.Parse( matches.Groups[1].Value );
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if ( serial == Engine.Player?.Serial || MobileCommands.InFriendList( serial ) )
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{
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return _friendBrush;
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}
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return serial == AliasCommands.GetAlias( "enemy" ) ? _enemyBrush : _defaultBrush;
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}
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catch ( Exception )
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{
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return _defaultBrush;
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}
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}
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}
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}
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