private HashSet <DataTemplate> RegisterCellDataTemplates(DataTemplateSelector dataTemplateSelector)
{
HashSet <DataTemplate> dataTemplates = new HashSet <DataTemplate>();
foreach (var item in _itemsSource)
{
var dataTemplate = dataTemplateSelector.SelectTemplate(item, Element);
int itemViewType = dataTemplates.IndexOf(dataTemplate);
if (itemViewType == -1)
{
itemViewType = dataTemplates.Count;
dataTemplates.Add(dataTemplate);
}
}
for (int i = 0; i < dataTemplates.Count; i++)
{
Control.RegisterClassForCell(typeof(iOSViewCell), IdentifierFormatter.FormatDataTemplateCellIdentifier(i));
}
return(dataTemplates);
}
private List <DataTemplate> RegisterCellDataTemplates(DataTemplateSelector dataTemplateSelector)
{
var selectorTypeInfo = dataTemplateSelector.GetType().GetTypeInfo();
var selectorDataTemplatesProperties =
selectorTypeInfo
.GetProperties(BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.DeclaredOnly)
.Where(p => typeof(DataTemplate).IsAssignableFrom(p.PropertyType));
foreach (var selectorDataTemplateProperty in selectorDataTemplatesProperties)
{
var dataTemplate = (DataTemplate)selectorDataTemplateProperty.GetValue(dataTemplateSelector);
if (!_registeredDataTemplates.Contains(dataTemplate))
{
_registeredDataTemplates.Add(dataTemplate);
Control.RegisterClassForCell(
typeof(iOSViewCell),
IdentifierFormatter.FormatDataTemplateCellIdentifier(_registeredDataTemplates.Count - 1));
}
}
return(_registeredDataTemplates);
}
