internal void RenderStart(RenderContext context, Action <TagBuilder> onRender = null)
{
if (context.IsDialog && RunAt == RunMode.ServerUrl)
{
throw new XamlException("RunAt='ServerUrl' is not allowed in dialogs");
}
String cwTag = "collection-view";
if (RunAt == RunMode.Server)
{
cwTag = "collection-view-server";
}
else if (RunAt == RunMode.ServerUrl)
{
cwTag = "collection-view-server-url";
}
_outer = new TagBuilder(cwTag, "cw", IsInGrid);
onRender?.Invoke(_outer);
if (Parent is Page)
{
_outer.AddCssClass("cw-absolute");
}
MergeAttributes(_outer, context);
Bind itemsSource = GetBinding(nameof(ItemsSource));
if (itemsSource != null)
{
_outer.MergeAttribute(":items-source", itemsSource.GetPath(context));
}
if (Sort != null)
{
_outer.MergeAttribute(":initial-sort", Sort.GetJsValue(context));
}
if (Filter != null)
{
_outer.MergeAttribute(":initial-filter", Filter.GetJsValue(context));
_outer.MergeAttribute(":persistent-filter", Filter.GetPersistentValue(context));
if (RunAt == RunMode.Client)
{
if (String.IsNullOrEmpty(FilterDelegate))
{
throw new XamlException("To filter on the client, a FilterDelegate is required");
}
_outer.MergeAttribute(":filter-delegate", $"$delegate('{FilterDelegate}')");
}
}
if (GroupBy != null)
{
_outer.MergeAttribute(":initial-group", GroupBy.GetJsValue(context));
}
if (PageSize != null)
{
_outer.MergeAttribute(":initial-page-size", PageSize.Value.ToString());
}
_outer.RenderStart(context);
_inner = new TagBuilder("template");
_inner.MergeAttribute("slot-scope", "Parent");
_inner.RenderStart(context);
}