void RenderPaneTemplate(RenderContext context)
{
if (ItemsPanel == null)
{
return;
}
if (!(ItemsPanel is DataGrid))
{
throw new XamlException("Only DataGrid panel is supported");
}
var dg = ItemsPanel as DataGrid;
var tml = new TagBuilder("template");
tml.MergeAttribute("slot", "pane");
tml.MergeAttribute("slot-scope", "root");
tml.RenderStart(context);
using (var ctx = new ScopeContext(context, "itm", null))
{
ItemsPanel.RenderElement(context, (tag) =>
{
tag.MergeAttribute(":is-item-active", "root.isItemActive");
tag.MergeAttribute(":hit-item", "root.hit");
tag.MergeAttribute(":items-source", "root.items");
if (ListSize != null && !ListSize.Height.IsEmpty && dg.FixedHeader)
{
// for fixed headers only
tag.MergeStyle("height", ListSize.Height.ToString());
tag.MergeStyle("max-height", ListSize.Height.ToString());
}
});
}
tml.RenderEnd(context);
}