qtcnet-client/qtcnet-client/Forms/ChatRoomForm.cs

using qtcnet_client.Controls;
using QtCNETAPI.Dtos.User;
using System.ComponentModel;
namespace qtcnet_client.Forms
{
    public partial class ChatRoomForm : Form
    {
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
        public string RoomId { get; set; } = string.Empty;
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
        public string RoomName { get; set; } = "Room";
        public string SentMessage { get; private set; } = string.Empty;

        public event EventHandler? OnSend;
        public event EventHandler? OnClose;

        public ChatRoomForm()
        {
            InitializeComponent();
        }

        private void ChatRoomForm_Load(object sender, EventArgs e)
        {
            Text = $"QtC.NET Chat Room - {RoomName}";
            lblRoomName.Text = RoomName;
        }

        private void rtxtChatbox_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                if (ValidateChatBox())
                {
                    SentMessage = rtxtChatbox.Text;
                    OnSend?.Invoke(this, EventArgs.Empty);
                    rtxtChatbox.Clear();
                }
            }
        }

        private void btnSend_Click(object sender, EventArgs e)
        {
            if (ValidateChatBox())
            {
                SentMessage = rtxtChatbox.Text;
                OnSend?.Invoke(this, EventArgs.Empty);
                rtxtChatbox.Clear();
            }
        }

        private void ChatRoomForm_FormClosed(object sender, FormClosedEventArgs e)
        {
            OnClose?.Invoke(this, EventArgs.Empty);
            Close();
        }

        public void AddUsersToRoomList(List<UserInformationDto> users)
        {
            lvUsers.SuspendLayout();

            lvUsers.Items.Clear();

            List<ListViewItem> lvis = [];
            foreach (UserInformationDto user in users)
            {
                lvis.Add(new ListViewItem
                {
                    Tag = user.Id,
                    Text = user.Username,
                    ImageIndex = user.Status
                });
            }

            lvUsers.Items.AddRange([.. lvis.DistinctBy(u => u.Tag)]);

            lvUsers.ResumeLayout(true);
        }

        public void AddUserToRoomList(UserInformationDto user)
        {
            ListViewItem lvi = new()
            {
                Tag = user.Id,
                Text = user.Username,
                ImageIndex = user.Status
            };

            lvUsers.Items.Add(lvi);
        }

        public void AddMessage(MessageControl messageCtrl)
        {
            messageCtrl.Width = flpMessages.ClientSize.Width - 10;
            messageCtrl.Margin = new Padding(0, 0, 0, 6);

            flpMessages.Controls.Add(messageCtrl);
            flpMessages.ScrollControlIntoView(messageCtrl);
        }

        private bool ValidateChatBox()
        {
            return !string.IsNullOrWhiteSpace(rtxtChatbox.Text) || !string.IsNullOrEmpty(rtxtChatbox.Text);
        }
    }
}