public void RegisterClassForSupplementaryView(Type cellType, UICollectionElementKindSection section, NSString reuseIdentifier)
{
if (cellType == null)
{
throw new ArgumentNullException("cellType");
}
RegisterClassForSupplementaryView(Class.GetHandle(cellType), KindToString(section), reuseIdentifier);
}
void RegisterSupplementaryViews(UICollectionElementKindSection kind)
{
CollectionView.RegisterClassForSupplementaryView(typeof(HorizontalSupplementaryView),
kind, HorizontalSupplementaryView.ReuseId);
CollectionView.RegisterClassForSupplementaryView(typeof(VerticalSupplementaryView),
kind, VerticalSupplementaryView.ReuseId);
CollectionView.RegisterClassForSupplementaryView(typeof(HorizontalDefaultSupplementalView),
kind, HorizontalDefaultSupplementalView.ReuseId);
CollectionView.RegisterClassForSupplementaryView(typeof(VerticalDefaultSupplementalView),
kind, VerticalDefaultSupplementalView.ReuseId);
}
static NSString KindToString(UICollectionElementKindSection section)
{
switch (section)
{
case UICollectionElementKindSection.Header:
return(UICollectionElementKindSectionKey.Header);
case UICollectionElementKindSection.Footer:
return(UICollectionElementKindSectionKey.Footer);
default:
throw new ArgumentOutOfRangeException("section");
}
}
public UICollectionViewLayoutAttributes LayoutAttributesForSupplementaryView(UICollectionElementKindSection section, NSIndexPath indexPath)
{
NSString kind;
switch (section) {
case UICollectionElementKindSection.Header:
kind = UICollectionElementKindSectionKey.Header;
break;
case UICollectionElementKindSection.Footer:
kind = UICollectionElementKindSectionKey.Footer;
break;
default:
throw new ArgumentOutOfRangeException ("section");
}
return LayoutAttributesForSupplementaryView (kind, indexPath);
}
public UICollectionViewLayoutAttributes LayoutAttributesForSupplementaryView(UICollectionElementKindSection section, NSIndexPath indexPath)
{
NSString kind;
switch (section)
{
case UICollectionElementKindSection.Header:
kind = UICollectionElementKindSectionKey.Header;
break;
case UICollectionElementKindSection.Footer:
kind = UICollectionElementKindSectionKey.Footer;
break;
default:
throw new ArgumentOutOfRangeException("section");
}
return(LayoutAttributesForSupplementaryView(kind, indexPath));
}
public NSObject DequeueReusableSupplementaryView(UICollectionElementKindSection section, NSString reuseIdentifier, NSIndexPath indexPath)
{
return(DequeueReusableSupplementaryView(KindToString(section), reuseIdentifier, indexPath));
}
public void RegisterNibForSupplementaryView(UINib nib, UICollectionElementKindSection section, string reuseIdentifier)
{
using (var str = (NSString)reuseIdentifier)
RegisterNibForSupplementaryView(nib, section, str);
}
public void RegisterNibForSupplementaryView(UINib nib, UICollectionElementKindSection section, NSString reuseIdentifier)
{
RegisterNibForSupplementaryView(nib, KindToString(section), reuseIdentifier);
}
public void RegisterClassForSupplementaryView(Type cellType, UICollectionElementKindSection section, string reuseIdentifier)
{
using (var str = (NSString)reuseIdentifier)
RegisterClassForSupplementaryView(cellType, section, str);
}
public void RegisterNibForSupplementaryView(UINib nib, UICollectionElementKindSection section, NSString reuseIdentifier)
{
RegisterNibForSupplementaryView (nib, KindToString (section), reuseIdentifier);
}
static NSString KindToString(UICollectionElementKindSection section)
{
switch (section) {
case UICollectionElementKindSection.Header:
return UICollectionElementKindSectionKey.Header;
case UICollectionElementKindSection.Footer:
return UICollectionElementKindSectionKey.Footer;
default:
throw new ArgumentOutOfRangeException ("section");
}
}
public UICollectionReusableView DequeueReusableSupplementaryView(UICollectionElementKindSection kind, string reuseIdentifier, NSIndexPath indexPath)
{
using (var str = (NSString)reuseIdentifier)
return((UICollectionReusableView)DequeueReusableSupplementaryView(KindToString(kind), str, indexPath));
}
/// <summary>
/// Dequeues a reusable UICollectionReusableView subclass using specified UICollectionView, elementKind and NSIndexPath.
/// Usually called in the UICollectionViewDataSource (or UICollectionViewController) GetViewForSupplementaryElement override.
/// This override assumes that the reuseIdentifier of the UICollectionReusableView subclass is the same as
/// the Name of the Type.
/// </summary>
/// <param name="collectionView">The UICollectionView from which to dequeue the reusable view</param>
/// <param name="elementKind">The kind of supplementary view to provide.
/// The value of this string is defined by the layout object that supports the supplementary view.</param>
/// <param name="reuseIdentifier">The reuseIdentifier of the UICollectionReusableView subclass to return.</param>
/// <param name="indexPath">The index path that specifies the location of the new supplementary view.</param>
/// <typeparam name="T">The Type of the UICollectionReusableView subclass to dequeue and return.</typeparam>
public static T Dequeue <T> (this UICollectionView collectionView, UICollectionElementKindSection elementKind, string reuseIdentifier, NSIndexPath indexPath)
where T : UICollectionReusableView
=> collectionView.DequeueReusableSupplementaryView(elementKind, reuseIdentifier, indexPath) as T;
public UICollectionReusableView DequeueReusableSupplementaryView(UICollectionElementKindSection kind, string reuseIdentifier, NSIndexPath indexPath)
{
using (var str = (NSString) reuseIdentifier)
return (UICollectionReusableView) DequeueReusableSupplementaryView (KindToString (kind), str, indexPath);
}
public void RegisterNibForSupplementaryView(UINib nib, UICollectionElementKindSection section, string reuseIdentifier)
{
using (var str = (NSString) reuseIdentifier)
RegisterNibForSupplementaryView (nib, section, str);
}
/// <summary>
/// Dequeues a reusable UICollectionReusableView subclass using specified UICollectionView, elementKind and NSIndexPath.
/// Usually called in the UICollectionViewDataSource (or UICollectionViewController) GetViewForSupplementaryElement override.
/// This override assumes that the reuseIdentifier of the UICollectionReusableView subclass is the same as
/// the Name of the Type.
/// </summary>
/// <param name="collectionView">The UICollectionView from which to dequeue the reusable view</param>
/// <param name="elementKind">The kind of supplementary view to provide.
/// The value of this string is defined by the layout object that supports the supplementary view.</param>
/// <param name="indexPath">The index path that specifies the location of the new supplementary view.</param>
/// <typeparam name="T">The Type of the UICollectionReusableView subclass to dequeue and return.</typeparam>
public static T Dequeue <T> (this UICollectionView collectionView, UICollectionElementKindSection elementKind, NSIndexPath indexPath)
where T : UICollectionReusableView
=> collectionView.DequeueReusableSupplementaryView(elementKind, typeof(T).Name, indexPath) as T;
public static T CreateForSupplementaryView <T> (UICollectionElementKindSection section, NSIndexPath indexPath) where T : UICollectionViewLayoutAttributes
{
return(CreateForSupplementaryView <T> (GetKindForSection(section), indexPath));
}
public static UICollectionViewLayoutAttributes CreateForSupplementaryView(UICollectionElementKindSection section, NSIndexPath indexPath)
{
return(CreateForSupplementaryView(GetKindForSection(section), indexPath));
}
public void RegisterClassForSupplementaryView(Type cellType, UICollectionElementKindSection section, NSString reuseIdentifier)
{
if (cellType == null)
throw new ArgumentNullException ("cellType");
RegisterClassForSupplementaryView (Class.GetHandle (cellType), KindToString (section), reuseIdentifier);
}
public void RegisterClassForSupplementaryView(Type cellType, UICollectionElementKindSection section, string reuseIdentifier)
{
using (var str = (NSString) reuseIdentifier)
RegisterClassForSupplementaryView (cellType, section, str);
}
public NSObject DequeueReusableSupplementaryView(UICollectionElementKindSection section, NSString reuseIdentifier, NSIndexPath indexPath)
{
return DequeueReusableSupplementaryView (KindToString (section), reuseIdentifier, indexPath);
}
