private static int GetNumberOfPagesToCreate(PresentationPagingInfo pagingInfo)
{
if (pagingInfo.TotalPageCount > pagingInfo.MaxPageNumbersToShow)
{
return(pagingInfo.MaxPageNumbersToShow);
}
return(pagingInfo.TotalPageCount);
}
/// <summary>
/// Create a collection of PageNumbers.
/// </summary>
/// <param name="pagingInfo">Presentation paging information.</param>
/// <returns>PageNumbers collection.</returns>
/// <exception cref="T:System.ArgumentNullException"><paramref name="pagingInfo" /> is null.</exception>
public IList <PageNumber> Create(PresentationPagingInfo pagingInfo)
{
if (pagingInfo == null)
{
throw new ArgumentNullException(nameof(pagingInfo));
}
var pageOffset = _pageOffSetStrategy.GetPageOffSet(pagingInfo);
return(CreatePageNumbers(pagingInfo, pageOffset));
}
private static List <PageNumber> CreatePageNumbers(PresentationPagingInfo pagingInfo, int pageOffset)
{
var numberOfPagesToCreate = GetNumberOfPagesToCreate(pagingInfo);
var pageNumbers = new List <PageNumber>();
for (var i = 0; i < numberOfPagesToCreate; i++)
{
var newPageNumber = i + pageOffset;
if (newPageNumber > pagingInfo.LastPageNumber) // make sure we dont go out of bounds
{
break;
}
pageNumbers.Add(new PageNumber
{
Number = newPageNumber,
IsCurrentPage = newPageNumber == pagingInfo.PageNumber
});
}
return(pageNumbers);
}
