public (string c, ConsoleColor cc) GetChoiceType(QueryLine choice)
{
var initialForegroundColor = Console.ForegroundColor;
switch (choice.ChoiceType)
{
case QueryLineType.Choice:
return("> ", ConsoleColor.Green);
case QueryLineType.Back:
return("< ", ConsoleColor.Red);
case QueryLineType.Exit:
return("< ", ConsoleColor.Red);
case QueryLineType.Input:
return("* ", ConsoleColor.Green);
case QueryLineType.Title:
return(" ", initialForegroundColor);
case QueryLineType.PlainText:
case QueryLineType.None:
default:
return("", initialForegroundColor);
}
}
/// <summary>
/// Write a query line, and select it, if necessary
/// </summary>
public void WriteQueryLine(QueryLine queryLine, bool isSelected, int?topPosition = null)
{
var initialForegroundColor = Console.ForegroundColor;
Console.CursorLeft = 0;
// if topPosition is set, we are in a "replacing" line mode
if (topPosition.HasValue)
{
Console.CursorTop = topPosition.Value;
}
// store actual line top position
queryLine.TopPosition = Console.CursorTop;
// Delete current line if any characters are already there
ConsoleExt.DeleteLine(replaceCursor: true);
// getting line type
var(choiceC, choiceCC) = this.GetChoiceType(queryLine);
// for plain text let cursor visible to navigate, more easily
// Console.CursorVisible = choice.ChoiceType == MenuChoiceType.PlainText;
Console.ForegroundColor = choiceCC;
Console.Write(choiceC);
Console.ForegroundColor = isSelected ? choiceCC : initialForegroundColor;
Console.Write(queryLine.Text);
// color hotkey if supported and not selected
if (queryLine.HotkeyIndex >= 0 && !isSelected)
{
Console.ForegroundColor = choiceCC;
var letter = queryLine.Text.Substring(queryLine.HotkeyIndex, 1);
Console.CursorLeft = queryLine.HotkeyIndex + 2; // +2 for first letters "> "
Console.Write(letter);
}
Console.ForegroundColor = initialForegroundColor;
Console.CursorLeft = 0;
}