/// <summary>
/// Sets the header.
/// </summary>
/// <param name="header">Header of the list.</param>
public void SetHeader(VisualElement header)
{
if (header == null)
{
if (HasHeader())
{
RemoveHeader();
}
return;
}
GenItemClass headerTemplate = GetHeaderFooterItemClass();
_headerElement = header;
if (HasHeader())
{
FirstItem.UpdateItemClass(headerTemplate, header);
}
else
{
_headerContext = new ItemContext();
_headerContext.Item = _itemContextList.Count > 0 ? InsertBefore(headerTemplate, header, FirstItem) : Append(headerTemplate, header);
_headerContext.Item.SelectionMode = GenItemSelectionMode.None;
_headerContext.Item.Deleted += HeaderDeletedHandler;
_itemContextList.Insert(0, _headerContext);
}
}
public override void SetHeader(VisualElement header)
{
base.SetHeader(header);
if (HasHeader() && CircleListView.GetCancelEffect(header))
{
FirstItem.UpdateItemClass(GetCancelEffectTemplete(), header);
}
}