public override void ClearUI()
{
if (m_UssPreview == null)
{
return;
}
var selection = document.primaryViewportWindow?.selection;
if (selection == null)
{
return;
}
selection.RemoveNotifier(m_UssPreview);
m_UssPreview.RemoveFromHierarchy();
m_UssPreview = null;
}
public override void CreateUI()
{
var root = rootVisualElement;
var viewportWindow = document.primaryViewportWindow;
if (viewportWindow == null)
{
return;
}
var selection = viewportWindow.selection;
m_UssPreview = new BuilderUssPreview(this, selection);
selection.AddNotifier(m_UssPreview);
root.Add(m_UssPreview);
}