public void PagerTabStripViewController(PagerTabStripViewController pagerTabStripViewController, int fromIndex, int toIndex, nfloat progressPercentage, bool indexWasChanged)
{
if (shouldUpdateButtonBarView)
{
ButtonBarView.MoveFromIndex(fromIndex, toIndex: toIndex, progressPercentage: progressPercentage, pagerScroll: PagerScroll.Yes);
if (ChangeCurrentIndexProgressive != null)
{
var oldCell = ButtonBarView.CellForItem(NSIndexPath.FromItemSection(new nint(CurrentIndex != fromIndex ? fromIndex : toIndex), 0)) as ButtonBarViewCell;
var newCell = ButtonBarView.CellForItem(NSIndexPath.FromItemSection(new nint(CurrentIndex), 0)) as ButtonBarViewCell;
ChangeCurrentIndexProgressive(oldCell, newCell, progressPercentage, indexWasChanged, true);
}
}
}
public void PagerTabStripViewController(PagerTabStripViewController pagerTabStripViewController, int fromIndex, int toIndex)
{
if (shouldUpdateButtonBarView)
{
ButtonBarView.MoveToIndex(toIndex, animated: true, swipeDirection: toIndex < fromIndex ? SwipeDirection.Right : SwipeDirection.Left, pagerScroll: PagerScroll.Yes);
if (ChangeCurrentIndex != null)
{
var oldCell = ButtonBarView.CellForItem(NSIndexPath.FromItemSection(new nint(CurrentIndex != fromIndex ? fromIndex : toIndex), 0)) as ButtonBarViewCell;
var newCell = ButtonBarView.CellForItem(NSIndexPath.FromItemSection(new nint(CurrentIndex), 0)) as ButtonBarViewCell;
ChangeCurrentIndex(oldCell, newCell, true);
}
}
}
public void ItemSelected(UICollectionView collectionView, NSIndexPath indexPath)
{
if (indexPath.Item != CurrentIndex)
{
ButtonBarView.MoveToIndex((int)indexPath.Item, true, SwipeDirection.None, PagerScroll.Yes);
shouldUpdateButtonBarView = false;
var oldCell = ButtonBarView.CellForItem(NSIndexPath.FromItemSection(new nint(CurrentIndex), 0)) as ButtonBarViewCell;
var newCell = ButtonBarView.CellForItem(NSIndexPath.FromItemSection(indexPath.Item, 0)) as ButtonBarViewCell;
if (PagerBehaviour.IsProgressiveIndicator)
{
ChangeCurrentIndexProgressive?.Invoke(oldCell, newCell, 1, true, true);
}
else
{
ChangeCurrentIndex?.Invoke(oldCell, newCell, true);
}
MoveToViewControllerAtIndex((uint)indexPath.Item);
}
}