/// <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);
}
}
// <-- Constructors.
// Local methods. -->
private void ResetFields()
{
UIExtension.EnableTextbox(txtPersonalID);
txtPersonalID.Text = "";
txtUsername.Text = "";
txtFirstName.Text = "";
txtLastName.Text = "";
UIExtension.ShowPlaceholder(txtFirstName, txtFirstNamePlaceholder);
UIExtension.ShowPlaceholder(txtLastName, txtLastNamePlaceholder);
UIExtension.ShowPlaceholder(txtPersonalID, txtPersonalIDPlaceholder);
UIExtension.ShowPlaceholder(txtUsername, txtUsernamePlaceholder);
}
