public iOSViewSource(HorizontalListView element, HashSet <DataTemplate> dataTemplates)
{
_weakElement = new WeakReference <HorizontalListView>(element);
_createdCells = new Dictionary <long, WeakReference <iOSViewCell> >();
_dataTemplates = dataTemplates;
var elementItemsSource = element.ItemsSource;
_dataSource = elementItemsSource?.Cast <object>().ToList();
if (_dataSource == null)
{
return;
}
_multipleCellTemplates = _dataTemplates?.Any() ?? false;
if (!_multipleCellTemplates)
{
// Cache only support single DataTemplate
_viewCellHolderCellHolderQueue = new UIViewCellHolderQueue(
element.ViewCacheSize,
() => CreateViewCellHolder());
_viewCellHolderCellHolderQueue.Build();
}
}
public iOSViewSource(HorizontalListView element)
{
_element = element;
var elementItemsSource = _element.ItemsSource;
_dataSource = elementItemsSource?.Cast <object>().ToList();
if (_dataSource == null)
{
return;
}
_viewCellHolderCellHolderQueue = new UIViewCellHolderQueue(element.ViewCacheSize, CreateViewCellHolder);
_viewCellHolderCellHolderQueue.Build();
}
public iOSViewSource(HorizontalListView element)
{
_weakElement = new WeakReference <HorizontalListView>(element);
var elementItemsSource = element.ItemsSource;
_dataSource = elementItemsSource?.Cast <object>().ToList();
if (_dataSource == null)
{
return;
}
if (!(element.ItemTemplate is DataTemplateSelector))
{
// Cache only support single DataTemplate
_viewCellHolderCellHolderQueue = new UIViewCellHolderQueue(
element.ViewCacheSize,
() => CreateViewCellHolder());
_viewCellHolderCellHolderQueue.Build();
}
}
