public PersonForm(LibraryPatron p)
{
InitializeComponent();
patron = p;
if (patron == null)
{
new NotificationForm("Failed to load person.").ShowDialog();
// log
this.Close();
}
bool isStudent = patron is Student;
if (isStudent)
{
Student tmp = patron as Student;
outputRole.Text = tmp.Status.ToString();
}
else
{
Lecturer tmp = patron as Lecturer;
outputRole.Text = "Lecturer";
outputID.Text = tmp.ID;
}
outputName.Text = patron.Name;
outputAddress.Text = patron.Address;
outputEmail.Text = patron.Email;
outputPhone.Text = patron.Phone;
outputPPSN.Text = patron.PPSN;
booksBorrowedList.DataSource = patron.ToList();
}
private void personSearchBox_MouseDoubleClick(object sender, MouseEventArgs e)
{
LibraryPatron p = personSearchBox.SelectedItem as LibraryPatron;
if (p != null)
{
new PersonForm(p).ShowDialog();
}
}
// Person selected with button, open PersonForm for the selected Person
private void personDetailsButton_Click(object sender, EventArgs e)
{
LibraryPatron p = personSearchBox.SelectedItem as LibraryPatron;
if (p != null)
{
new PersonForm(p).ShowDialog();
}
}
private void borrowersBox_MouseDoubleClick(object sender, MouseEventArgs e)
{
LibraryPatron borrower = borrowedBox.SelectedItem as LibraryPatron;
if (borrower != null)
{
var confirmResult = MessageBox.Show(
string.Format("Are you sure you want to return '{0}', by {1}, from {2}", book.Title, book.Author, borrower.Name),
"Confirmation", MessageBoxButtons.YesNo);
if (confirmResult == DialogResult.Yes && borrower.ReturnBook(book))
{
listener.NotifyReturn();
this.Close();
}
}
}
// when user double clicks on a person this is called
private void personSearchBox_MouseDoubleClick(object sender, MouseEventArgs e)
{
// Safety measure
try
{
borrower = personSearchBox.SelectedItem as LibraryPatron;
if (borrower == null)
throw new ArgumentNullException("LoanForm[39]: Selected person not of type 'LibraryPatron'");
}catch(ArgumentNullException ane)
{
// log exception
new NotificationForm("Patron not found.").ShowDialog();
}
// If borrower has reached their book limit, notify and do not allow loan
if (borrower.ReachedBookLimit())
new NotificationForm(borrower.Name + " has met their quota of " + (int)(borrower as Student).Status + " books, and therefore cannot borrow anymore books.").ShowDialog();
else if (borrower.HasBook(book)) // if they already have the book, not allowed another
new NotificationForm(borrower.Name + " already has a copy of this book. 1 copy permitted only.").ShowDialog();
else
{
// Confirm loaning book to the right person
var confirmResult = MessageBox.Show(
string.Format("Are you sure you want to loan: '{0}', by {1}, to {2}", book.Title, book.Author, borrower.Name),
"Confirmation",
MessageBoxButtons.YesNo);
if (confirmResult == DialogResult.Yes)
{
// User confirmed yes, therefore system attempt to loan selected patron the book
if (College.Instance.Library.LoanBook(book, borrower))
listener.NotifyLoan(); // update listener
this.Close();
}
}
}