private void DisplayAnswer(ref AnswerDisplayInfo answerInfo)
{
this.virtualConsole.Write(answerInfo.row, answerInfo.col, answerInfo.fulltext, ref answerInfo.style);
}
public AnswerDisplayInfo?DisplayMessage(string message, MessageType messageType = MessageType.message, int askLength = 0, bool?useErrorLine = null)
{
int dispRow;
Style style;
CheckAndNormalizeTextLineNumbers();
switch (messageType)
{
case MessageType.description:
dispRow = (useErrorLine ?? false) ? messageTextLine : descriptionTextLine;
style = styles[StyleIndex.Description];
break;
case MessageType.error:
dispRow = (useErrorLine ?? true) ? messageTextLine : descriptionTextLine;
style = styles[StyleIndex.Error];
break;
case MessageType.ask:
dispRow = (useErrorLine ?? true) ? messageTextLine : descriptionTextLine;
style = styles[StyleIndex.Question];
break;
case MessageType.message:
dispRow = (useErrorLine ?? true) ? messageTextLine : descriptionTextLine;
style = styles[StyleIndex.Message];
break;
default:
throw new ArgumentException("DisplayMessage(): Invalid MessageType parameter!", nameof(messageType));
}
int backWidth = virtualConsole.cols;
int leftMargin = 0; // TODO: !
int rightMargin = 0; // TODO: !
backWidth -= (leftMargin + rightMargin);
if (string.IsNullOrWhiteSpace(message))
{ // Clear message
this.virtualConsole.Write(dispRow, leftMargin, new string(' ', backWidth), ref style);
return(null);
}
else
{
this.virtualConsole.Write(dispRow, leftMargin, new string(' ', backWidth), ref style);
message = message.Trim();
if (messageType == MessageType.ask)
{
askLength = Math.Min(Math.Max(askLength, 1), 12);
int freeSpace = (backWidth - askLength) - message.Length;
if (freeSpace > 2)
{
message += " : ";
}
else if (freeSpace > 1)
{
message += ": ";
}
else if (freeSpace > 0)
{
message += ":";
}
if (message.Length > (backWidth - askLength))
{
message = message.Substring(0, (backWidth - askLength));
}
int displayPosition = (backWidth - askLength - message.Length) / 2;
var answerInfo = new AnswerDisplayInfo(dispRow, leftMargin + displayPosition + message.Length, askLength, ref style);
this.virtualConsole.Write(dispRow, leftMargin + displayPosition, message, ref style);
DisplayAnswer(ref answerInfo);
return(answerInfo);
}
else
{
if (message.Length < backWidth)
{
string padText = new string(' ', (backWidth - message.Length) / 2);
message = padText + message + padText;
if (message.Length < backWidth)
{
message += ' ';
}
}
if (message.Length > backWidth)
{
message = message.Substring(0, backWidth);
}
}
}
this.virtualConsole.Write(dispRow, leftMargin + ((backWidth - message.Length) / 2), message, ref style);
return(null);
}
