} //The Result of the dialog window
/// <summary>
/// Constructor for EditAuthorDialog
/// Initializes the fields and Properties and preps the window for user interaction
/// </summary>
/// <param name="bookDetails"></param>
/// <param name="controller"></param>
public EditAuthorDialog(BookDetails bookDetails, LibraryClientController controller)
{
InitializeComponent();
//Initialize fields and properties
Owner = bookDetails;
this.controller = controller;
LoadAuthors();
DataContext = authorList; //sets the DataContext to all available authors (shows all authors)
//subscribe to OnDatabaseError event
this.controller.OnDatabaseError += OnDatabaseErrorHandler;
//prep controls for user interaction
ResetSearchBar();
SelectButton.IsEnabled = false;
}
/// <summary>
/// Sets the CopiesResult Property to copies value passed in argument and closes the window if copies is a valid amount.
/// If copies exceeds the amount of copis available for checkout, then displays an error and focuses back on NumberTextBox
/// </summary>
/// <param name="copies">number of copies to remove</param>
private void RemoveCopy(int copies)
{
//Check if can remove that amount of copies
BookDetails bd = Owner as BookDetails;
if (bd != null)
{
if (copies <= bd.Book.CopiesAvailable) //if copies is a valid number
{
CopiesResult = copies;
DialogResult = true;
this.Close();
}
else //if copies is not a valid number
{
ErrorLabel.Content = String.Format("Only {0} copies are available to remove", bd.Book.CopiesAvailable);
NumberTextBox.Focus();
return;
}
}
}
} //Copies of books inputted by the user
//Constructor
//Uses a BookDetails window as a parameter and AddOrRemove enum
/// <summary>
/// Constructor for BookCopiesDialog
/// Initializes fields and preps the Window for user interaction
/// </summary>
/// <param name="bookDetails">BookDetails window that opened this window</param>
/// <param name="addOrRemove">AddorRemove enum that preps the interaction for adding or removing Book copies</param>
public BookCopiesDialog(BookDetails bookDetails, AddOrRemove addOrRemove)
{
InitializeComponent();
//Initialize properties and fields
Owner = bookDetails;
this.addOrRemove = addOrRemove;
//Set the QuestionTextBlock content
if (addOrRemove == AddOrRemove.Add) //if user wants to add copies
{
QuestionTextBlock.Text = "How many copies would you like to add?";
}
else if (addOrRemove == AddOrRemove.Remove) //if user wants to deletec copies
{
string question = string.Format("How many copies would you like to remove?\n\n({0} copies are available for removal)",
(Owner as BookDetails).Book.CopiesAvailable);
QuestionTextBlock.Text = question;
}
NumberTextBox.Text = "0";
ErrorLabel.Content = string.Empty;
}
/// <summary>
/// Opens a BookDetais window with the selectedBook as the Book to be displayed.
/// </summary>
private void ViewDetails()
{
BookDetails bookDetailsWindow = new BookDetails(selectedBook, controller, this);
bookDetailsWindow.ShowDialog();
}