static public Button AddBasicToolButton(GameObject popupGO, string text, UnityAction onClickedF, Func <bool> isEnabledF = null)
{
GameObject buttonGO = GameObject.Instantiate(Resources.Load <GameObject>("BasicToolButton"));
popupGO.AddChild(buttonGO, false);
buttonGO.SetName(text);
Button button = UnityUIUtil.GetButtonAndAddClickHandler(buttonGO, onClickedF);
UnityUIUtil.SetButtonText(button, text);
if (isEnabledF != null)
{
var enabler = buttonGO.AddComponent <UIWidgetEnabler>();
enabler.widget = button;
enabler.IsEnabledF = isEnabledF;
enabler.Update();
}
return(button);
}