/// <summary>
/// This is not an actual constructor but the code runs whenever the User Control gets visible.
/// </summary>
private void UCAddBook_VisibleChanged(object sender, EventArgs e)
{
if (Visible)
{
if (UIExtension.operation == UIExtension.Operation.Add)
{
lblTitle.Text = "Add New Book";
pbNew.Visible = true;
ClearAuthorFilter();
UIExtension.ClearTextBoxesInPanel(pnlBookInfo);
lvBookAuthors.Items.Clear();
ToggleBookCopyVisibility(false);
UIExtension.EnableTextbox(txtISBN);
}
else if (UIExtension.operation == UIExtension.Operation.Edit)
{
currentBook = UIExtension.currentItem as Book;
StoreTemporaryBook(currentBook);
lblTitle.Text = $"Edit {currentBook}";
pbNew.Visible = false;
ToggleBookCopyVisibility(true);
InsertAuthors();
txtISBN.Text = currentBook.ISBN;
txtTitle.Text = currentBook.Title;
txtYear.Text = currentBook.Year.ToString();
txtDescription.Text = currentBook.Description;
UIExtension.DisableTextbox(txtISBN);
}
}
else
{
ClearAuthorFilter(sender, e);
}
}
/// <summary>
/// This is not an actual constructor but the code runs whenever the User Control gets visible.
/// </summary>
private void UCReturnBook_VisibleChanged(object sender, EventArgs e)
{
if (Visible)
{
currentLoan = UIExtension.currentItem as Loan;
UIExtension.ClearTextBoxesInPanel(pnlBookInfo);
UIExtension.ClearTextBoxesInPanel(pnlLoanInfo);
btnReturnLoan.Enabled = true;
btnReturnLoan.BackColor = btnReturnLoanBackColor;
lblMessage.Visible = false;
lblBookTitle.Text = currentLoan.BookCopy.Book.ToString();
txtISBN.Text = currentLoan.BookCopy.Book.ISBN;
txtBookCopy.Text = currentLoan.BookCopy.ToString();
txtAuthor.Text = currentLoan.BookCopy.Book.AuthorsToString();
txtYear.Text = currentLoan.BookCopy.Book.Year.ToString();
txtDescription.Text = currentLoan.BookCopy.Book.Description;
lblOnTime.Visible = false;
txtOnTime.Visible = false;
lblReturned.Visible = false;
txtReturned.Visible = false;
lblDebt.Visible = false;
txtDebt.Visible = false;
UpdateLoanInfo();
}
}
// <-- Local methods.
// Misc. functionality. -->
private void btnSave_Click(object sender, EventArgs e)
{
if (lvBookAuthors.Items.Count == 0 || txtISBN.Text.Trim() == "" || txtTitle.Text.Trim() == "" || txtYear.Text.Trim() == "")
{
UIExtension.ShowMessage(messageTimer, lblMessage, $"You must enter values for all required fields!", Color.Red);
}
else
{
try
{
List <Author> authorList = new List <Author>();
foreach (ListViewItem author in lvBookAuthors.Items)
{
authorList.Add(author.Tag as Author);
}
if (UIExtension.operation == UIExtension.Operation.Add)
{
Book book = new Book(txtISBN.Text.Trim(), txtTitle.Text.Trim(), authorList, Convert.ToInt64(txtYear.Text.Trim()), txtDescription.Text.Trim());
form.bookService.Add(book);
form.bookCopyService.Add(new BookCopy(book));
UIExtension.ShowMessage(messageTimer, lblMessage, $"{txtTitle.Text.Trim()} was successfully added to the library!", Color.Green);
ClearAuthorFilter(sender, e);
UIExtension.ClearTextBoxesInPanel(pnlBookInfo);
lvBookAuthors.Items.Clear();
}
else
{
currentBook.Authors = authorList;
currentBook.Title = txtTitle.Text.Trim();
currentBook.Year = Convert.ToInt64(txtYear.Text.Trim());
currentBook.Description = txtDescription.Text.Trim();
form.bookService.Edit(currentBook);
lblTitle.Text = $"Edit {currentBook}";
UIExtension.ShowMessage(messageTimer, lblMessage, $"{currentBook} was successfully edited!", Color.Green);
}
}
catch (FormatException)
{
UIExtension.ShowMessage(messageTimer, lblMessage, $"You need to enter a valid value for Year", Color.Red);
if (UIExtension.operation == UIExtension.Operation.Edit)
{
RestoreBook(currentBook);
}
}
catch (Exception exception)
{
UIExtension.ShowMessage(messageTimer, lblMessage, exception.Message, Color.Red);
if (UIExtension.operation == UIExtension.Operation.Edit)
{
RestoreBook(currentBook);
}
}
}
}
/// <summary>
/// This is not an actual constructor but the code runs whenever the User Control gets visible.
/// </summary>
private void UCViewMember_VisibleChanged(object sender, EventArgs e)
{
if (Visible)
{
this.currentMember = UIExtension.currentItem as Member;
UpdateMemberInformation();
UpdatelvLoans();
UIExtension.ClearTextBoxesInPanel(pnlLoanInformation);
ActiveControl = null;
pnlLoanInformation.Visible = false;
}
}
// Focus events. -->
private void lvLoans_SelectedIndexChanged(object sender, EventArgs e)
{
if (lvLoans.SelectedItems.Count == 0)
{
UIExtension.ClearTextBoxesInPanel(pnlLoanInformation);
}
else
{
pnlLoanInformation.Visible = true;
UpdateLoanInformation(sender, e);
}
}
private void UpdateLoanInformation(object sender, EventArgs e)
{
UIExtension.ClearTextBoxesInPanel(pnlLoanInformation);
if (lvLoans.SelectedItems.Count > 0)
{
Loan selectedLoan = lvLoans.SelectedItems[0].Tag as Loan;
double daysOverdue = form.loanService.CalculateDaysOverdue(selectedLoan);
txtBook.Text = selectedLoan.BookCopy.Book.Title;
txtDateOfLoan.Text = selectedLoan.DateOfLoan.Value.ToShortDateString();
txtDueDate.Text = selectedLoan.DueDate.Value.ToShortDateString();
txtOverdue.Text = daysOverdue.ToString() + " day(s)";
txtDebt.Text = $"{selectedLoan.Debt} kr";
if (selectedLoan.DateOfReturn == null)
{
txtTimeOfReturn.Text = "-";
UIExtension.HideLabelAndTextbox(lblOnTime, txtOnTime);
}
else
{
txtTimeOfReturn.Text = selectedLoan.DateOfReturn.Value.ToShortDateString();
UIExtension.ShowLabelAndTextbox(lblOnTime, txtOnTime);
}
if (daysOverdue > 0)
{
UIExtension.ShowLabelAndTextbox(lblOverdue, txtOverdue);
txtOnTime.ForeColor = Color.Red;
txtOnTime.Text = "No";
UIExtension.ShowLabelAndTextbox(lblOnTime, txtOnTime);
UIExtension.ShowLabelAndTextbox(lblDebt, txtDebt);
}
else
{
UIExtension.HideLabelAndTextbox(lblOverdue, txtOverdue);
txtOnTime.ForeColor = Color.Green;
txtOnTime.Text = "Yes";
UIExtension.HideLabelAndTextbox(lblDebt, txtDebt);
}
}
}
private void UpdateMemberInformation()
{
UIExtension.ClearTextBoxesInPanel(pnlMemberInformation);
if (currentMember != null)
{
double totalDebt = form.memberService.CalculateTotalDebt(currentMember);
txtFirstname.Text = currentMember.FirstName;
txtLastName.Text = currentMember.LastName;
txtUsername.Text = currentMember.Username;
txtPersonalID.Text = currentMember.PersonalID;
txtRegistered.Text = currentMember.Registered.Value.ToShortDateString();
if (totalDebt == 0)
{
txtTotalDebt.ForeColor = Color.Green;
}
else
{
txtTotalDebt.ForeColor = Color.Red;
}
txtTotalDebt.Text = $"{totalDebt.ToString()} kr";
}
}
