// TODO: extract common code from HandleBookEditedEvent and AddBookViewItem methods
private void HandleBookEditedEvent(object sender, BookEventArgs args)
{
Book book = args.Book;
ListViewItem bookViewItem = FindBookViewItem(args.Book);
if (bookViewItem != null)
{
if (filter(book))
{
bookViewItem.SubItems[0].Text = book.Title;
bookViewItem.SubItems[1].Text = book.Author;
bookViewItem.SubItems[2].Text = book.Category;
bookViewItem.SubItems[3].Text = book.Date.ToShortDateString();
}
else
{
listViewForm.Items.Remove(bookViewItem);
this.CountLabel.Text = this.listViewForm.Items.Count.ToString();
}
}
else if (filter(book))
{
AddBookViewItem(book);
}
}
private void HandleBookAddedEvent(object sender, BookEventArgs args)
{
Book book = args.Book;
if (filter(book))
{
AddBookViewItem(book);
}
}
private void HandleBookRemovedEvent(object sender, BookEventArgs args)
{
ListViewItem bookViewItem = FindBookViewItem(args.Book);
if (bookViewItem != null)
{
listViewForm.Items.Remove(bookViewItem);
this.CountLabel.Text = this.listViewForm.Items.Count.ToString();
}
}