private void DeleteContactToolStripMenuItem_Click(object sender, EventArgs e)
{
//check to see if the user selcted an item
//before performing the delete opertaion
int index = allContactListBox.SelectedIndex;
if (index == -1)
{
MessageBox.Show("You must select an item to be deleted");
return;
}
//pop confirmation dialogue that the item is about to be deleted
UniversityPeople person = peopleList[index];
if (DialogResult.Yes != MessageBox.Show($"Are you sure you wish to delete {person.FirstName}'s details?",
"Confirmation", MessageBoxButtons.YesNo))
{
return;
}
//delete the item and remote it from the education people list
//remove it from the listbox display as well
peopleList.RemoveAt(index);
allContactListBox.Items.RemoveAt(index);
changesMade = true;
}
// edit event handller
private void EditContactToolStripMenuItem_Click(object sender, EventArgs e)
{
Console.WriteLine("edit has been selected");
// make sure we have sth selected
int index = allContactListBox.SelectedIndex;
if (index == -1)
{
MessageBox.Show("You have to select first");
return;
}
UniversityPeople p = peopleList[index]; // create a new university people object
if (p.Category == "Faculty")
{
editFaculty(index);
changesMade = true;
}
else if (p.Category == "Student")
{
editStudent(index);
changesMade = true;
}
else
{
MessageBox.Show("Unknow contact trying to be edited");
}
}
// set person's typle
private string UniversityPeopleTypeString(UniversityPeople up)
{
if (up is Faculty)
{
return("Faculty");
}
else if (up is Student)
{
return("Student");
}
else
{
return("Unknown");
}
}
// Student in the context menu has been clicked
private void studentToolStripMenuItem_Click(object sender, EventArgs e)
{
// create a student object, properites will be assigned in the createNewFaculty function
UniversityPeople person = null;
person = creatNewStudent();
// store the new student and display it in the contact list box
if (person != null)
{
peopleList.Add(person);
allContactListBox.Items.Add(person.ToFormattedString());
}
changesMade = true;
}
// open menu selected
private void OpenToolStripMenuItem_Click(object sender, EventArgs e)
{
// let the user pick the file to open
OpenFileDialog ofd = new OpenFileDialog();
// get the file path
ofd.Title = "Select a Contact List";
ofd.Filter = "Text Files|*.txt|All Files|*.*";
ofd.FilterIndex = 1;
ofd.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
// check dialog result
DialogResult result = ofd.ShowDialog();
if (result != DialogResult.OK)
{
return;
}
// create a new object
UniversityPeople p = null;
// save the file path
Filepath = ofd.FileName;
try
{
StreamReader input = new StreamReader(ofd.FileName);
while (!input.EndOfStream)
{
string peopleType = input.ReadLine();
switch (peopleType)
{
case "Faculty":
p = new Faculty(input.ReadLine()); // create a new faculty
break;
case "Student":
p = new Student(input.ReadLine()); // create a new student
break;
default:
MessageBox.Show("Unknown product in the file");
p = null;
break;
}
// add the new object to people list and list box
if (p != null)
{
peopleList.Add(p);
allContactListBox.Items.Add(p.ToFormattedString());
}
}
// close the file
input.Close();
}
catch (Exception excp)
{
MessageBox.Show($"File did not load. {excp.Message}");
return;
}
}