/// <summary>
/// List a one line summary of all the posts and
/// allow the user to select one by position in
/// the list. First position = 1
/// </summary>
public Post SelectPost()
{
string[] choices = new string[Posts.Count];
int i = 0;
foreach (Post post in Posts)
{
choices[i] = post.GetSummary();
i++;
}
Console.WriteLine("\n Listing of all Posts");
int choiceNo = UserLib.SelectChoice(choices);
return(Posts[choiceNo - 1]);
}
/// <summary>
/// Prompt the user to select imperial or metric
/// units for entering their weight and height
/// </summary>
private UnitSystem SelectUnits()
{
string[] choices = new[]
{
"Metric Units",
"Imperial Units"
};
int choice = UserLib.SelectChoice(choices);
if (choice == 1)
{
return(UnitSystem.Metric);
}
else
{
return(UnitSystem.Imperial);
}
}
/// <summary>
/// Display a menu of distance units and then prompt the
/// user to select one and return it.
/// </summary>
private DistanceUnit SelectUnit(string prompt)
{
Console.WriteLine(prompt);
string[] choices = { $" {DistanceUnit.Feet}",
$" {DistanceUnit.Metres}",
$" {DistanceUnit.Miles}" };
int choice = UserLib.SelectChoice(choices);
DistanceUnit unit;
if (choice == 1)
{
unit = DistanceUnit.Feet;
}
else if (choice == 2)
{
unit = DistanceUnit.Metres;
}
else
{
unit = DistanceUnit.Miles;
}
Console.WriteLine($" You have selected {unit}");
Console.WriteLine();
// Alternative to the if..else
//switch (choice)
//{
// case "1": unit = DistanceUnit.Feet; break;
// case "2": unit = DistanceUnit.Metres; break;
// case "3": unit = DistanceUnit.Miles; break;
// default: unit = "INVALID CHOICE"; break;
//}
return(unit);
}
public void OutputMenu()
{
string[] choices =
{
"Input Marks",
"Output Marks",
"Output Stats",
"Output Grade Profile",
"Quit"
};
int choiceNo;
do
{
UserLib.OutputHeading(" Students Grades App");
choiceNo = UserLib.SelectChoice(choices);
switch (choiceNo)
{
case 1: InputMarks(); break;
case 2: OutputMarks(); break;
case 3:
CalculateStats();
OutputStats(); break;
case 4:
CalculateGradeProfile();
OutputGradeProfile(); break;
default:
break;
}
} while (choiceNo != 5);
}
public static void Main(string[] args)
{
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("BNU CO453 Applications Programming 2020-2021!");
Console.WriteLine();
Console.Beep();
Console.WriteLine("|1. Distance converter");
Console.WriteLine("|2. BMI calculator");
Console.WriteLine("|3. Student Marks");
string input = Console.ReadLine();
switch (input)
{
case "1":
{
DistanceConverter converter = new DistanceConverter();
converter.Convert();
break;
}
case "2":
{
BMI calculator = new BMI();
calculator.Main();
break;
}
case "3":
{
StudentGrades studentGrades = new StudentGrades();
UserLib.SelectChoice(studentGrades);
break;
}
}
}
