/// <summary>
/// Reads an integer value from the user. Takes steps to ensure the length and positive
/// nature of the integer are correct according to the parameters as they are set.
/// </summary>
/// <param name="digitsMin">
/// Minimum # of digits the integer can be.
/// </param>
/// <param name="digitsMax">
/// Maximum # of digits the integer can be.
/// </param>
/// <param name="isPositive">
/// Should the number be positive?
/// </param>
/// <param name="context">
/// Context of the input, so the user knows what they should type.
/// </param>
/// <returns>
/// The integer in the specified parameters range.
/// </returns>
public static int ReadInteger(int digitsMin, int digitsMax, bool isPositive, string context = "ID")
{
string num = "";
// We can't allow for less than 1 digit.
if (digitsMin < 1)
{
digitsMin = 1;
}
while (num == "")
{
Console.Write("Enter " + context + ": ");
// Get the input from the user.
num = InputController.ReadLine(true, isPositive);
// Ensure the input was good.
if (num == "" || num.Length < digitsMin || num.Length > digitsMax)
{
Console.WriteLine("\n\tBad " + context + "!" + " Please try again.\n");
// Number was bad, reset the input.
num = "";
}
}
return(Convert.ToInt32(num));
}
/// <summary>
/// Gets input string from the user of a string that matches the parameters set.
/// </summary>
/// <param name="lengthMin">
/// Minimum length of the string.
/// </param>
/// <param name="lengthMax">
/// Maximum length of the string.
/// </param>
/// <param name="context">
/// Context of the input, so the user knows what to type.
/// </param>
/// <returns>
/// The input within the specified range of the parameters.
/// </returns>
public static string ReadText(int lengthMin, int lengthMax, string context = "Text")
{
// Strings cant be negative in length.
if (lengthMin < 0)
{
lengthMin = 1;
}
// The minimum length should not be greater than the maximum.
if (lengthMin > lengthMax)
{
lengthMin = lengthMax;
}
string text = "";
while (text == "")
{
Console.Write("Enter " + context + ": ");
// Get the user input.
text = InputController.ReadLine(false, false);
// Ensure the input is in the range of the parameters.
if ((text == "" && lengthMin > 0) ||
text.Length < lengthMin || text.Length > lengthMax)
{
Console.WriteLine("\n\tBad " + context + "!" + " Please try again.\n");
// On bad input, reset the input.
text = "";
}
else
{
break;
}
}
return(text);
}
