public override CGSize GetReferenceSizeForHeader(UICollectionView collectionView, UICollectionViewLayout layout, nint section)
{
var width = UIScreen.MainScreen.Bounds.Width;
return(ViewModel.TopBanners == null || HeaderReuseID.IsNullOrEmpty() || ViewModel.TopBanners.Count == 0 ?
CGSize.Empty
:
new CGSize(width, width * 9 / 16));
}
public override UICollectionReusableView GetViewForSupplementaryElement(UICollectionView collectionView, NSString elementKind, NSIndexPath indexPath)
{
mvxLog.Trace("SupplementaryCollectionViewSource GetViewForSupplementaryElement started");
if (elementKind == UICollectionElementKindSectionKey.Header && !HeaderReuseID.IsNullOrEmtpy())
{
mvxLog.Trace("SupplementaryCollectionViewSource GetViewForSupplementaryElement HEADER resolving started");
if (_headerDataContext != null)
{
var headerView = collectionView.DequeueReusableSupplementaryView(elementKind, HeaderReuseID, indexPath);
mvxLog.Trace("SupplementaryCollectionViewSource GetViewForSupplementaryElement HEADER in process");
SetupReusableView(headerView, elementKind, indexPath, _headerDataContext);
return(headerView);
}
mvxLog.Warn("SupplementaryCollectionViewSource GetViewForSupplementaryElement _headerDataContext is NULL");
mvxLog.Trace("SupplementaryCollectionViewSource GetViewForSupplementaryElement HEADER resolving ended");
}
else
{
mvxLog.Warn("SupplementaryCollectionViewSource GetViewForSupplementaryElement HEADER ID NULL");
}
if (elementKind == UICollectionElementKindSectionKey.Footer && !FooterReuseID.IsNullOrEmtpy())
{
mvxLog.Trace("SupplementaryCollectionViewSource GetViewForSupplementaryElement FOOTER resolving started");
if (_footerDataContext != null)
{
var footerView = collectionView.DequeueReusableSupplementaryView(elementKind, FooterReuseID, indexPath);
mvxLog.Trace("SupplementaryCollectionViewSource GetViewForSupplementaryElement FOOTER in process");
SetupReusableView(footerView, elementKind, indexPath, _headerDataContext);
return(footerView);
}
mvxLog.Warn("SupplementaryCollectionViewSource GetViewForSupplementaryElement _footerDataContext is NULL");
mvxLog.Trace("SupplementaryCollectionViewSource GetViewForSupplementaryElement FOOTER resolving ended");
}
else
{
mvxLog.Warn("SupplementaryCollectionViewSource GetViewForSupplementaryElement FOOTER ID NULL");
}
mvxLog.Trace("SupplementaryCollectionViewSource GetViewForSupplementaryElement ended");
return(null);
}
public override UICollectionReusableView GetViewForSupplementaryElement(UICollectionView collectionView, NSString elementKind, NSIndexPath indexPath)
{
if (elementKind == UICollectionElementKindSectionKey.Header && !HeaderReuseID.IsNullOrEmtpy() && indexPath.Section == 1)
{
var headerView = collectionView.DequeueReusableSupplementaryView(elementKind, HeaderReuseID, indexPath);
if (_headerDataContext != null)
{
SetupReusableView(headerView, elementKind, indexPath, _headerDataContext);
}
return(headerView);
}
if (elementKind == UICollectionElementKindSectionKey.Header && !BannersHeaderReuseID.IsNullOrEmtpy() && indexPath.Section == 0)
{
var headerView = collectionView.DequeueReusableSupplementaryView(elementKind, BannersHeaderReuseID, indexPath);
if (ViewModel != null)
{
SetupReusableView(headerView, elementKind, indexPath, ViewModel);
}
return(headerView);
}
if (elementKind == UICollectionElementKindSectionKey.Footer && !FooterReuseID.IsNullOrEmtpy() && indexPath.Section == 1)
{
var footerView = collectionView.DequeueReusableSupplementaryView(elementKind, FooterReuseID, indexPath);
if (ViewModel != null)
{
SetupReusableView(footerView, elementKind, indexPath, ViewModel);
}
return(footerView);
}
return(null);
}
public virtual CGSize GetReferenceSizeForHeader(UICollectionView collectionView, UICollectionViewLayout layout, nint section)
{
return(HeaderReuseID.IsNullOrEmpty() ? CGSize.Empty : new CGSize(collectionView.Bounds.Width, 44));
}
