public void ChangeCurrentPage(MtPageDescription newPage, int nextPageIndex)
{
if (_pages.Count <= nextPageIndex)
{
_pages.Add(newPage);
}
CurrentIndex = nextPageIndex;
}
/// <exception cref="ArgumentException">The current page cannot be removed from the stack. </exception>
public bool RemovePageFromStack(MtPageDescription pageDescription)
{
var index = GetPageIndex(pageDescription);
if (index >= 0)
{
RemovePageFromStackAt(index);
return(true);
}
return(false);
}
public async Task <bool> MoveToTop(MtPageDescription page, Func <MtPageDescription, Task <bool> > action)
{
if (CurrentPage == page)
{
return(true);
}
var index = _pages.IndexOf(page);
if (index != -1)
{
_pages.RemoveAt(index);
_currentIndex--;
if (await action(page))
{
return(true);
}
_pages.Insert(index, page);
}
return(false);
}
public int GetPageIndex(MtPageDescription pageDescription)
{
return(_pages.IndexOf(pageDescription));
}
