public static VisualElement Q(this VisualElement e, string name = null, string className = null)
{
UQueryState <VisualElement> query;
if (name == null)
{
if (className == null)
{
return(SingleElementEmptyQuery.RebuildOn(e).First());
}
query = SingleElementClassQuery.RebuildOn(e);
query.m_Matchers[0].complexSelector.selectors[0].parts[0] = StyleSelectorPart.CreateClass(className);
return(query.First());
}
if (className == null)
{
query = SingleElementNameQuery.RebuildOn(e);
query.m_Matchers[0].complexSelector.selectors[0].parts[0] = StyleSelectorPart.CreateId(name);
return(query.First());
}
query = SingleElementNameAndClassQuery.RebuildOn(e);
query.m_Matchers[0].complexSelector.selectors[0].parts[0] = StyleSelectorPart.CreateId(name);
query.m_Matchers[0].complexSelector.selectors[0].parts[1] = StyleSelectorPart.CreateClass(className);
return(query.First());
}
public static T Q <T>(this VisualElement e, string name = null, string className = null) where T : VisualElement
{
if (typeof(T) == typeof(VisualElement))
{
return(e.Q(name, className) as T);
}
UQueryState <VisualElement> query;
if (name == null)
{
if (className == null)
{
query = SingleElementTypeQuery.RebuildOn(e);
query.m_Matchers[0].complexSelector.selectors[0].parts[0] = StyleSelectorPart.CreatePredicate(UQuery.IsOfType <T> .s_Instance);
return(query.First() as T);
}
query = SingleElementTypeAndClassQuery.RebuildOn(e);
query.m_Matchers[0].complexSelector.selectors[0].parts[0] = StyleSelectorPart.CreatePredicate(UQuery.IsOfType <T> .s_Instance);
query.m_Matchers[0].complexSelector.selectors[0].parts[1] = StyleSelectorPart.CreateClass(className);
return(query.First() as T);
}
if (className == null)
{
query = SingleElementTypeAndNameQuery.RebuildOn(e);
query.m_Matchers[0].complexSelector.selectors[0].parts[0] = StyleSelectorPart.CreatePredicate(UQuery.IsOfType <T> .s_Instance);
query.m_Matchers[0].complexSelector.selectors[0].parts[1] = StyleSelectorPart.CreateId(name);
return(query.First() as T);
}
query = SingleElementTypeAndNameAndClassQuery.RebuildOn(e);
query.m_Matchers[0].complexSelector.selectors[0].parts[0] = StyleSelectorPart.CreatePredicate(UQuery.IsOfType <T> .s_Instance);
query.m_Matchers[0].complexSelector.selectors[0].parts[1] = StyleSelectorPart.CreateId(name);
query.m_Matchers[0].complexSelector.selectors[0].parts[2] = StyleSelectorPart.CreateClass(className);
return(query.First() as T);
}