/// <summary>
/// Creates a chat tab and adds it to the tab control based on the parameter value.
/// </summary>
/// <param name="key">Unique key of user.</param>
/// <param name="text">Title of tab.</param>
/// <param name="show">Whether to show tab or not.</param>
/// <param name="retries">Number of retry.</param>
/// <returns></returns>
private TabPageEx CreateChatTab(string key, string text, bool show, int retries)
{
TabPageEx newTabPage = null;
try {
newTabPage = new TabPageEx(text);
newTabPage.Name = key;
newTabPage.ImageKey = "Blank";
newTabPage.ToolTipText = text;
SetTabLook(newTabPage);
// Add tab page to the tab list.
tabList.Add(newTabPage);
// Set correct status images.
UpdateUserStatusImages(key);
// Set correct tab look.
UpdateTabWindowStatusLook(key);
if (show)
{
// Add tab page to tab control.
tabControlChat.TabPages.Add(newTabPage);
// Make the new tab the selected tab.
tabControlChat.SelectedTab = newTabPage;
}
return(newTabPage);
}
catch {
if (newTabPage != null)
{
if (tabList.Contains(newTabPage))
{
tabList.Remove(newTabPage);
}
newTabPage.Dispose();
}
// If this is first attempt to create tab, try again.
// Else give up and return null.
if (retries == 0)
{
return(CreateChatTab(key, text, show, ++retries));
}
else
{
return(null);
}
}
}
/// <summary>
/// Adds a new tab page to the Tab Control and specifies the text and
/// key for the tab. If tab already exists, bring it to top.
/// </summary>
/// <param name="text"></param>
private void StartConversation(string key, string text, bool activated)
{
bool tabSelected = false;
// Check if tab with given key exists.
if (tabControlChat.TabPages.ContainsKey(key))
{
// Tab found, make it selected.
TabPageEx selectedTabPage = (TabPageEx)tabControlChat.TabPages[key];
tabControlChat.SelectedTab = selectedTabPage;
tabSelected = true;
}
else if (tabList.ContainsKey(key))
{
TabPageEx tabPage = tabList[key];
tabControlChat.TabPages.Add(tabPage);
tabControlChat.SelectedTab = tabPage;
tabSelected = true;
}
else if (windowList.ContainsKey(key))
{
if (activated)
{
ChatForm chatForm = windowList[key];
chatForm.ShowWindow(true, true);
}
}
else
{
TabPageEx newTabPage = null;
ChatForm newChatForm = null;
ChatControl newChatControl = null;
try {
// Create a Chat control and set its properties.
newChatControl = new ChatControl();
newChatControl.Name = "ChatControl";
newChatControl.Dock = DockStyle.Fill;
newChatControl.LocalUserName = localUserName;
newChatControl.LocalAddress = localAddress.ToString();
User remoteUser = GetUser(key);
newChatControl.Key = key;
newChatControl.RemoteUserName = remoteUser.Name;
newChatControl.RemoteAddress = remoteUser.Address;
newChatControl.MessageFont = defaultFont;
newChatControl.MessageFontColor = defaultFontColor;
newChatControl.HotKeyMod = Properties.Settings.Default.MessageHotKeyMod;
newChatControl.MessageToForeground = bMessageToForeground;
newChatControl.SilentMode = bSilentMode;
newChatControl.ShowEmoticons = Properties.Settings.Default.ShowEmoticons;
newChatControl.EmotTextToImage = Properties.Settings.Default.EmotTextToImage;
newChatControl.ShowTimeStamp = Properties.Settings.Default.ShowTimeStamp;
newChatControl.AddDateToTimeStamp = Properties.Settings.Default.AddDateToTimeStamp;
newChatControl.Windowed = bChatWindowed;
newChatControl.Sending += new ChatControl.SendEventHandler(ChatControl_Sending);
newChatControl.WindowModeChange += new ChatControl.WindowModeChangeEventHandler(ChatControl_WindowModeChange);
if (Properties.Settings.Default.ChatWindowed == true)
{
newChatForm = CreateChatForm(key, text, activated);
newChatForm.Controls.Add(newChatControl);
}
else
{
// Create a new tab page and add the chat control to it.
newTabPage = CreateChatTab(key, text);
newTabPage.Controls.Add(newChatControl);
tabSelected = true;
}
// Display status message.
newChatControl.ReceiveMessage(MessageTypes.Status, string.Empty, remoteUser.Name, remoteUser.Status);
// Display a message if remote user's version is older.
if (IsVersionOlder(remoteUser.Version, localClientVersion))
{
newChatControl.ReceiveMessage(MessageTypes.OldVersion, string.Empty, remoteUser.Name, string.Empty);
}
}
catch {
if (newChatControl != null)
{
newChatControl.Dispose();
}
if (newTabPage != null)
{
newTabPage.Dispose();
}
if (newChatForm != null)
{
newChatForm.Dispose();
}
return;
}
}
tabControlChat.Visible = (tabControlChat.TabCount > 0);
// Set keyboard focus to the message box inside the chat control.
// This is to be done after tab control becomes visible, else focus will not work.
if (tabSelected && tabControlChat.SelectedIndex >= 0)
{
TabPageEx tabPage = (TabPageEx)tabControlChat.SelectedTab;
ChatControl chatControl = (ChatControl)tabPage.Controls["ChatControl"];
chatControl.SetFocus();
}
}