//If the message applies to us this routine:
//Adds the given message to the message collection.
//Adds the message to the textbox.
public void AddMessageToHistory(MessagePacket msg)
{
//this probably means a different type of message (like a "composing" event)
//'but for the sake of this sample we don't need to handle it
if (msg.BodiesByCulture.ContainsKey(String.Empty) && msg.Body.Length == 0) return;
//*** Determine which languages this message has in it
System.Globalization.CultureInfo defaultCulture = _SessionManager.Session.StreamCulture;
foreach (string localizedLanguage in msg.BodiesByCulture.Keys)
{
string actualLanguage = localizedLanguage;
string localizedBody = msg.BodiesByCulture[actualLanguage];
if (actualLanguage.Equals(String.Empty))
{
if (msg.HasXMLLangAttribute() == true)
{
actualLanguage = msg.Culture.Name;
}
else
{
//*** The message body didn't have a language tag on it. The
// Packet doesn't have a language tag on it, so we have
// no idea what language this is in - assume it to be the
// stream native language
actualLanguage = defaultCulture.Name;
}
}
if (localizedBody.EndsWith("\r\n"))
{
localizedBody = localizedBody.Substring(0, localizedBody.Length - "\r\n".Length);
}
RichTextBox rtb = GetTextBoxForLanguage(new System.Globalization.CultureInfo(actualLanguage));
System.Text.StringBuilder messageBuilder = new System.Text.StringBuilder();
messageBuilder.Append(msg.From.UserName.ToString());
if (msg.From.IsFullJID())
{
messageBuilder.Append("/");
messageBuilder.Append(msg.From.Resource);
}
messageBuilder.Append(": ");
if (rtb.Text.Length > 0)
{
messageBuilder.Insert(0, "\r\n");
}
rtb.Text = messageBuilder.Insert(0, rtb.Text).Append(localizedBody).ToString();
//make sure the current text stays visible
rtb.Select(rtb.TextLength - 1, 1);
rtb.ScrollToCaret();
}
}