Esempio n. 1
0
        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 if (asset.fullTypeName == UxmlRootElementFactory.k_ElementName)
                {
                    // Support UXML without namespace for backward compatibility.
                    VisualElementFactoryRegistry.TryGetValue(typeof(UxmlRootElementFactory).Namespace + "." + asset.fullTypeName, out factoryList);
                }
                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)));
            }

            VisualElement res = factory.Create(asset, ctx);

            if (res != null)
            {
                AssignClassListFromAssetToElement(asset, res);
                AssignStyleSheetFromAssetToElement(asset, res);
            }

            return(res);
        }
Esempio n. 2
0
        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);
        }