/// <summary>
/// This method is called when the Add lender button is pressed. A new
/// object of the BookLenderForm is created, and a new form is opened.
/// If input is valid, the book lender is added to the book lender list and
/// the GUI is updated.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btn_AddLender_Click(object sender, EventArgs e)
{
// A new book lender form is created with a title as parameter
BookLenderForm formLender = new BookLenderForm("Add Book Lender");
// Is the Ok button pressed in the book lender form and is the input valid ?
if ((formLender.ShowDialog() == DialogResult.OK) && formLender.ValidateInput())
{
// The book lender is added to the book lender list
bookLenderManager.AddBookLender(formLender.MyBookLender);
// The book lender list is sorted by book lender ID
bookLenderManager.SortListByID();
// Updates the GUI
UpdateGUI();
}
}
/// <summary>
/// The method is called when the View and edit button is pressed in the GUI.
/// It gives the possiblity to edit the book lender information.
/// A book lender in the list have to be selected. The GUI of the server class
/// is opened and possible changes read. If the input data is valid, the possible
/// changed lender data is saved at the same index in the book lender list. And the
/// list is updated in the GUI.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btn_ViewAndEdit_Click(object sender, EventArgs e)
{
// Index of the selected book lender in the list in the GUI
int selectedIndex = lbx_LenderDetails.SelectedIndex;
// Is a book lender selected in the listbox ?
if (selectedIndex >= 0)
{
// A new object of the BookLenderForm class is created with a title and saved book lender at selected index as parameters
BookLenderForm savedFormLender = new BookLenderForm("View And Edit", bookLenderManager.GetBookLenderAtIndex(selectedIndex));
// Is the OK button pressed and valid book lender input from the server class form ?
if ((savedFormLender.ShowDialog() == DialogResult.OK) && savedFormLender.ValidateInput())
{
// Changed book lender data is saved in book lender list at selected index
bookLenderManager.ChangeBookLender(selectedIndex, savedFormLender.MyBookLender);
// The book lender list is sorted by book lender ID
bookLenderManager.SortListByID();
// The GUI is updated
UpdateGUI();
}
}
}
