//*************************************************************************
//Method: FindCourseIdbutton_Click
//
//Purpose: Button-click event handler for the FindCourseIdbutton, it will
//find the course instance with the matching course Id provided by the user
//and will populate all related textboxes with data from the found course
//instance.
//*************************************************************************
private void FindCourseIdbutton_Click(object sender, RoutedEventArgs e)
{
try
{
//********************************************************************************************
//Uses the Find method on the CourseCollection variable cc, and finds the course
//by its corresponding ID and stores the instance of the course into the FoundCourse variable.
//Then all textboxes related to the course data are populated with information from
//the course instance.
//********************************************************************************************
Course FoundCourse = cc.Find((Convert.ToInt32(textBoxFindCourseId.Text)));
textBoxCourseIdData.Text = FoundCourse.n_ID.ToString();
textBoxCreditsData.Text = FoundCourse.n_Credits.ToString();
textBoxDescriptionData.Text = FoundCourse.n_Description;
textBoxDesignatorData.Text = FoundCourse.n_Designator;
textBoxTitleData.Text = FoundCourse.n_Title;
textBoxNumberData.Text = FoundCourse.n_Number;
//Provides user with a confirmation message with the Course Id they searched for.
MessageBox.Show("Record Found with Course Id " + textBoxFindCourseId.Text + ".");
//***********************************************************************************************
//Clears any text the in the CourseId text box that the user previously entered to provide a neat
//format, so user won't have to backspace data to start a new entry.
//***********************************************************************************************
textBoxFindCourseId.Text = "";
}
catch (Exception exc)
{
//************************************************************
//If statement that prevents the application from crashing by
//catching both NullReferenceException and FormatException.
//************************************************************
if (exc is NullReferenceException || exc is FormatException)
{
//************************************************************************
//If no records are found the user will be provided with an error message,
//and all related textboxes will be cleared.
//************************************************************************
MessageBox.Show("No records match provided Course Id.");
textBoxCourseIdData.Text = "";
textBoxCreditsData.Text = "";
textBoxDescriptionData.Text = "";
textBoxDesignatorData.Text = "";
textBoxTitleData.Text = "";
textBoxNumberData.Text = "";
textBoxFindCourseId.Text = "";
}
}
}
//*******************************************************
//Method: Main
//
//Purpose: Displays the menu, and processes
// the user's selection.
//*******************************************************
static void Main(string[] args)
{
//Instantiate all classes in the Course.cs DLL
CourseCollection myCourseCollection = new CourseCollection();
ProfessorCollection myProfessorCollection = new ProfessorCollection();
RoomCollection myRoomCollection = new RoomCollection();
CourseMeetingCollection myCourseMeetingCollection = new CourseMeetingCollection();
Course myCourse = new Course();
//These statements are used to create test data for the Course test input files
myCourseCollection.Courses.Add(new Course(1, "BCS", "101", "Programming Concepts and Problem Solving", "Test description for BCS 101", 3));
myCourseCollection.Courses.Add(new Course(2, "BCS", "102", "Computer Concepts and Applications", "Test description for BCS 102", 3));
//These statements are used to create test data for the Professor test input files
myProfessorCollection.Professors.Add(new Professor(1, "Arthur Hoskey", "(631)420-2435"));
myProfessorCollection.Professors.Add(new Professor(2, "Jie Li", "(631)420-2435"));
//These statements are used to create test data for the Room test input files
myRoomCollection.Rooms.Add(new Room(1, "Whitman 128", 26));
myRoomCollection.Rooms.Add(new Room(2, "Whitman 215", 20));
//These statements are used to create test data for the CourseMeeting test input files
myCourseMeetingCollection.CourseMeetings.Add(new CourseMeeting(1, 1, 1, "MW 8:00am - 9:15am"));
myCourseMeetingCollection.CourseMeetings.Add(new CourseMeeting(1, 2, 2, "MW 9:25am - 10:40am"));
string userChoice = null;
do
{
Console.WriteLine("Course Schedule Menu");
Console.WriteLine("--------------------");
Console.WriteLine("1 - Read CourseCollection from JSON file");
Console.WriteLine("2 - Read CourseCollection from XML file");
Console.WriteLine("3 - Write CourseCollection to JSON file");
Console.WriteLine("4 - Write CourseCollection to XML file");
Console.WriteLine("5 - Display CourseCollection data on screen");
Console.WriteLine("6 - Show course data by id");
Console.WriteLine("7 - Read ProfessorCollection from JSON file");
Console.WriteLine("8 - Write ProfessorCollection to JSON file");
Console.WriteLine("9 - Display ProfessorCollection data on screen");
Console.WriteLine("10 - Read CourseMeetingCollection from JSON file");
Console.WriteLine("11 - Write CourseMeetingCollection to JSON file");
Console.WriteLine("12 - Display CourseMeetingCollection data on screen");
Console.WriteLine("13 - Exit");
Console.WriteLine("Enter Choice: ");
userChoice = Console.ReadLine();
switch (userChoice)
{
#region Course Menu selection
case "1":
{
#region JSON deserialization - Course
Console.WriteLine("Enter your filename: ");
string jsonFile1 = Console.ReadLine();
FileStream reader = new FileStream(jsonFile1, FileMode.Open, FileAccess.Read);
DataContractJsonSerializer inputSerializer;
inputSerializer = new DataContractJsonSerializer(typeof(CourseCollection));
myCourseCollection = (CourseCollection)inputSerializer.ReadObject(reader);
reader.Close();
#endregion
}
break;
case "2":
{
#region XML deserialization - Course
Console.WriteLine("Enter your filename: ");
string jsonFile2 = Console.ReadLine();
FileStream reader = new FileStream(jsonFile2, FileMode.Open, FileAccess.Read);
DataContractSerializer inputSerializer;
inputSerializer = new DataContractSerializer(typeof(CourseCollection));
myCourseCollection = (CourseCollection)inputSerializer.ReadObject(reader);
reader.Close();
#endregion
}
break;
case "3":
{
#region JSON serialization - Course
Console.WriteLine("Enter your filename: ");
string jsonFile3 = Console.ReadLine();
System.IO.FileStream writer = new FileStream(jsonFile3, FileMode.Create,
FileAccess.Write);
DataContractJsonSerializer ser;
ser = new DataContractJsonSerializer(typeof(CourseCollection));
ser.WriteObject(writer, myCourseCollection);
writer.Close();
#endregion
}
break;
case "4":
{
#region XML serialization - Course
Console.WriteLine("Enter your filename: ");
string jsonFile4 = Console.ReadLine();
System.IO.FileStream writer = new FileStream(jsonFile4, FileMode.Create,
FileAccess.Write);
DataContractSerializer ser;
ser = new DataContractSerializer(typeof(CourseCollection));
ser.WriteObject(writer, myCourseCollection);
writer.Close();
#endregion
}
break;
case "5":
Console.WriteLine(myCourseCollection.ToString());
break;
case "6":
Console.WriteLine("Enter a course id: ");
string userInput = Console.ReadLine();
int number1 = Convert.ToInt32(userInput);
myCourse = myCourseCollection.Find(number1);
Console.WriteLine(myCourse.ToString());
break;
case "7":
{
#region JSON deserialization - Professor
Console.WriteLine("Enter your filename: ");
string jsonFile7 = Console.ReadLine();
FileStream reader = new FileStream(jsonFile7, FileMode.Open, FileAccess.Read);
DataContractJsonSerializer inputSerializer;
inputSerializer = new DataContractJsonSerializer(typeof(ProfessorCollection));
myProfessorCollection = (ProfessorCollection)inputSerializer.ReadObject(reader);
reader.Close();
#endregion
}
break;
case "8":
{
#region JSON serialization - Professor
Console.WriteLine("Enter your filename: ");
string jsonFile8 = Console.ReadLine();
System.IO.FileStream writer = new FileStream(jsonFile8, FileMode.Create,
FileAccess.Write);
DataContractJsonSerializer ser;
ser = new DataContractJsonSerializer(typeof(ProfessorCollection));
ser.WriteObject(writer, myProfessorCollection);
writer.Close();
#endregion
}
break;
case "9":
Console.WriteLine(myProfessorCollection.ToString());
break;
case "10":
{
#region JSON deserialization - CourseMeeting Collection
Console.WriteLine("Enter your filename: ");
string jsonFile10 = Console.ReadLine();
FileStream reader = new FileStream(jsonFile10, FileMode.Open, FileAccess.Read);
DataContractJsonSerializer inputSerializer;
inputSerializer = new DataContractJsonSerializer(typeof(CourseMeetingCollection));
myCourseMeetingCollection = (CourseMeetingCollection)inputSerializer.ReadObject(reader);
reader.Close();
#endregion
}
break;
case "11":
{
#region JSON serialization - CourseMeeting Collection
Console.WriteLine("Enter your filename: ");
string jsonFile11 = Console.ReadLine();
System.IO.FileStream writer = new FileStream(jsonFile11, FileMode.Create,
FileAccess.Write);
DataContractJsonSerializer ser;
ser = new DataContractJsonSerializer(typeof(CourseMeetingCollection));
ser.WriteObject(writer, myCourseMeetingCollection);
writer.Close();
#endregion
}
break;
case "12":
Console.WriteLine(myCourseMeetingCollection.ToString());
break;
#endregion
case "13":
break;
default:
Console.WriteLine("You have entered an invalid choice. Please try again.");
break;
}
} while (userChoice != "13");
//When user selects "13", program is terminated.
Environment.Exit(0);
}
