/// <summary>
/// Adds an entry to the chat history box.
/// </summary>
/// <param name="text">The text to be added.</param>
private void UpdateChatHistory(string text, FormatTypes formatType)
{
// This code block ensures optimum line spacing between different types of formatted texts.
switch (lastFormatType)
{
case FormatTypes.Status:
if (formatType != FormatTypes.Status)
{
rtbMessageHistory.AppendTextAsRtf("\n");
}
break;
case FormatTypes.Message:
if (formatType != FormatTypes.UserName)
{
rtbMessageHistory.AppendTextAsRtf("\n");
}
break;
}
lastFormatType = formatType;
// Ensure there is no more than one blank line between messages.
if (text.StartsWith(Environment.NewLine))
{
if (rtbMessageHistory.Text.EndsWith("\n\n"))
{
text = text.TrimStart(Environment.NewLine.ToCharArray());
}
}
switch (formatType)
{
case FormatTypes.UserName:
case FormatTypes.Status:
rtbMessageHistory.AppendTextAsRtf(text, Definitions.GetPresetFont(formatType), Definitions.GetPresetColor(formatType));
break;
case FormatTypes.Message:
string rtfText = DecodeEmoticons(text);
rtfText = rtfText.Insert(rtfText.LastIndexOf(@"\f0"), @"\li240");
rtbMessageHistory.AppendRtf(rtfText);
// Enable button that saves chat history.
if (!bCanSave && rtbMessageHistory.TextLength > 0)
{
tbBtnSave.Enabled = true;
bCanSave = true;
}
break;
default:
rtbMessageHistory.AppendTextAsRtf(text);
break;
}
// For auto scrolling chat history box.
rtbMessageHistory.ScrollToBottom();
}
