With(
this PaginatorState state,
params Action <PaginatorState>[] mutators)
{
foreach (var item in mutators)
{
item(state);
}
return(new PaginatorState(state));
}
NextState(PaginatorState pPaginatorState)
{
var res = pPaginatorState.
PipeForward(GetNumberOfPages()).
PipeForward(IsValidLeft()).
PipeForward(IsValidLeftMore()).
PipeForward(IsValidRight()).
PipeForward(IsValidRightMore());
return(res);
}
Init(
IntMore0Less65535Exclsv pCurrentPage,
IntMore0Less65535Exclsv pItemsPerPage,
IntMore0Less65535Exclsv pPagesToSkip,
int pTotalNumberOfItemsInDB
)
{
var res = new PaginatorState();
res.CurrentPage = pCurrentPage;
res.ItemsPerPage = pItemsPerPage;
res.PagesToSkip = pPagesToSkip;
res.TotalNumberOfItemsInDB = pTotalNumberOfItemsInDB;
return(NextState(res));
}
public PaginatorState(PaginatorState old) : this()
{
NumberOfPages = old.NumberOfPages;
CurrentPage = old.CurrentPage;
ItemsPerPage = old.ItemsPerPage;
PagesToSkip = old.PagesToSkip;
TotalNumberOfItemsInDB = old.TotalNumberOfItemsInDB;
IsValidLeft = old.IsValidLeft;
IsValidLeftMore = old.IsValidLeftMore;
IsValidRight = old.IsValidRight;
IsValidRightMore = old.IsValidRightMore;
PagesToShow = old.PagesToShow;
PagesRight = old.PagesRight;
PagesRightMore = old.PagesRightMore;
PagesLeft = old.PagesLeft;
PagesLeftMore = old.PagesLeftMore;
}
GoLeftMore(
this PaginatorState pState)
{
return(NextState(pState.With(z => z.CurrentPage.Value -= pState.PagesToSkip.Value)));
}
GoLeft(
this PaginatorState pState)
{
return(NextState(pState.With(z => z.CurrentPage.Value--)));
}
GoRight(
this PaginatorState pState)
{
return(NextState(pState.With(z => z.CurrentPage.Value++)));
}