public void PreviousPage()
{
if (ActualPage > 0)
{
ActualPage--;
NotifyOfPropertyChange(() => ShowActualPage);
NumberOfBorrowsPerTitle = BorrowServices.NumberOfBorrowsPerTitle(ToSendSelectedTitle, ToSendSelectedBookGenre, ToSendFromDate, ToSendToDate, ActualPage, PageSize);
NotifyOfPropertyChange(() => NumberOfBorrowsPerTitle);
}
}
public void NextPage()
{
if ((ActualPage + 1) * PageSize < numberOfBooks)
{
ActualPage++;
NotifyOfPropertyChange(() => ShowActualPage);
NumberOfBorrowsPerTitle = BorrowServices.NumberOfBorrowsPerTitle(ToSendSelectedTitle, ToSendSelectedBookGenre, ToSendFromDate, ToSendToDate, ActualPage, PageSize);
NotifyOfPropertyChange(() => NumberOfBorrowsPerTitle);
}
}
public void Filter()
{
ActualPage = 0;
ToSendFromDate = FromDate;
ToSendToDate = ToDate;
ToSendSelectedBookGenre = SelectedBookGenre;
ToSendSelectedTitle = SelectedTitle;
NotifyOfPropertyChange(() => ShowActualPage);
numberOfBooks = BookServices.NumberOfBooks(ToSendSelectedTitle, ToSendSelectedBookGenre);
NumberOfBorrowsPerTitle = BorrowServices.NumberOfBorrowsPerTitle(ToSendSelectedTitle, ToSendSelectedBookGenre, ToSendFromDate, ToSendToDate, ActualPage, PageSize);
NotifyOfPropertyChange(() => NumberOfBorrowsPerTitle);
}
public ReportBookViewModel()
{
BookGenres = DictBookGenreServices.GetAll();
DictBookGenre filterAll = new DictBookGenre()
{
BookGenreId = 0, Name = "All"
};
BookGenres.Add(filterAll);
BookGenres.Move(BookGenres.IndexOf(filterAll), 0);
numberOfBooks = BookServices.NumberOfBooks(null, new DictBookGenre()
{
BookGenreId = 0, Name = null
});
NumberOfBorrowsPerTitle = BorrowServices.NumberOfBorrowsPerTitle(SelectedTitle, SelectedBookGenre, FromDate, ToDate, ActualPage, PageSize);
}
public void Reset()
{
ToSendSelectedTitle = null;
ToSendSelectedBookGenre = BookGenres[0];
ToSendFromDate = null;
ToSendToDate = null;
numberOfBooks = BookServices.NumberOfBooks(null, new DictBookGenre()
{
BookGenreId = 0, Name = null
});
NumberOfBorrowsPerTitle = BorrowServices.NumberOfBorrowsPerTitle(null, new DictBookGenre()
{
BookGenreId = 0, Name = null
}, null, null, ActualPage, PageSize);
NotifyOfPropertyChange(() => NumberOfBorrowsPerTitle);
}