VisualElement MakeItem()
{
var box = new VisualElement();
box.AddToClassList(k_TreeItemClassName);
m_Dragger?.RegisterCallbacksOnTarget(box);
if (m_TooltipPreview != null)
{
box.RegisterCallback <MouseEnterEvent>(OnItemMouseEnter);
box.RegisterCallback <MouseLeaveEvent>(OnItemMouseLeave);
}
var label = new Label();
label.AddToClassList(k_TreeItemLabelClassName);
box.Add(label);
// Open button.
var openButton = new Button()
{
name = k_OpenButtonClassName, text = "Open"
};
openButton.AddToClassList(BuilderConstants.HiddenStyleClassName);
openButton.clickable.clickedWithEventInfo += OnOpenButtonClick;
box.Add(openButton);
return(box);
}
protected void RegisterControlContainer(VisualElement element)
{
m_Dragger?.RegisterCallbacksOnTarget(element);
if (m_TooltipPreview != null)
{
element.RegisterCallback <MouseEnterEvent>(OnItemMouseEnter);
element.RegisterCallback <MouseLeaveEvent>(OnItemMouseLeave);
}
}