static void AssignStyleSheetFromAssetToElement(VisualElementAsset asset, VisualElement element)
{
if (asset.stylesheetPaths != null)
{
for (int i = 0; i < asset.stylesheetPaths.Count; i++)
{
element.AddStyleSheetPath(asset.stylesheetPaths[i]);
}
}
if (asset.stylesheets != null)
{
for (int i = 0; i < asset.stylesheets.Count; ++i)
{
element.styleSheets.Add(asset.stylesheets[i]);
}
}
}
internal static VisualElement Create(VisualElementAsset asset, CreationContext ctx)
{
List <IUxmlFactory> factoryList;
if (!VisualElementFactoryRegistry.TryGetValue(asset.fullTypeName, out factoryList))
{
if (asset.fullTypeName.StartsWith("UnityEngine.Experimental.UIElements.") || asset.fullTypeName.StartsWith("UnityEditor.Experimental.UIElements."))
{
string experimentalTypeName = asset.fullTypeName.Replace(".Experimental.UIElements", ".UIElements");
if (!VisualElementFactoryRegistry.TryGetValue(experimentalTypeName, out factoryList))
{
Debug.LogErrorFormat("Element '{0}' has no registered factory method.", asset.fullTypeName);
return(new Label(string.Format("Unknown type: '{0}'", asset.fullTypeName)));
}
}
else
{
Debug.LogErrorFormat("Element '{0}' has no registered factory method.", asset.fullTypeName);
return(new Label(string.Format("Unknown type: '{0}'", asset.fullTypeName)));
}
}
IUxmlFactory factory = null;
foreach (IUxmlFactory f in factoryList)
{
if (f.AcceptsAttributeBag(asset, ctx))
{
factory = f;
break;
}
}
if (factory == null)
{
Debug.LogErrorFormat("Element '{0}' has a no factory that accept the set of XML attributes specified.", asset.fullTypeName);
return(new Label(string.Format("Type with no factory: '{0}'", asset.fullTypeName)));
}
if (factory is UxmlRootElementFactory)
{
return(null);
}
VisualElement res = factory.Create(asset, ctx);
if (res == null)
{
Debug.LogErrorFormat("The factory of Visual Element Type '{0}' has returned a null object", asset.fullTypeName);
return(new Label(string.Format("The factory of Visual Element Type '{0}' has returned a null object", asset.fullTypeName)));
}
if (asset.classes != null)
{
for (int i = 0; i < asset.classes.Length; i++)
{
res.AddToClassList(asset.classes[i]);
}
}
if (asset.stylesheetPaths != null)
{
for (int i = 0; i < asset.stylesheetPaths.Count; i++)
{
res.AddStyleSheetPath(asset.stylesheetPaths[i]);
}
}
if (asset.stylesheets != null)
{
for (int i = 0; i < asset.stylesheets.Count; ++i)
{
res.styleSheets.Add(asset.stylesheets[i]);
}
}
return(res);
}