protected override BaseFrameworkElement CreateElementOnStartDrag()
{
bool flag = true;
Asset asset = this.Asset;
TypeAsset typeAsset = asset as TypeAsset;
StyleAsset styleAsset = asset as StyleAsset;
if (typeAsset != null && typeAsset.Type is IUnreferencedType)
{
flag = false;
}
else if (styleAsset != null)
{
UserThemeAssetProvider themeAssetProvider = styleAsset.Provider as UserThemeAssetProvider;
if (themeAssetProvider != null && !themeAssetProvider.IsLocal)
{
flag = false;
}
}
if (flag && asset.CanCreateInstance(this.ActiveSceneInsertionPoint))
{
return(this.CreateInstance(Rect.Empty) as BaseFrameworkElement);
}
return((BaseFrameworkElement)null);
}
protected override StyleAsset GetRelatedUserThemeAsset(SceneNode node, SceneNode rootNode)
{
if (node == rootNode)
{
return(this.styleAsset);
}
return(StyleAsset.Find((IEnumerable)this.provider.Assets, (ITypeId)node.Type) ?? base.GetRelatedUserThemeAsset(node, rootNode));
}
internal bool IsPrototypingStyle(StyleAsset styleAsset)
{
ResourceDictionaryAssetProvider dictionaryAssetProvider = styleAsset.Provider as ResourceDictionaryAssetProvider;
if (dictionaryAssetProvider != null)
{
return((dictionaryAssetProvider.ResourceDictionaryUsage & ResourceDictionaryUsage.PrototypingStyles) != ResourceDictionaryUsage.Unknown);
}
return(false);
}
internal bool IsStyleControlParts(StyleAsset styleAsset)
{
DocumentPrimitiveNode documentPrimitiveNode = ((DocumentCompositeNode)styleAsset.ResourceModel.ValueNode).Properties[DesignTimeProperties.IsControlPartProperty] as DocumentPrimitiveNode;
if (documentPrimitiveNode != null)
{
return(documentPrimitiveNode.GetValue <bool>());
}
return(false);
}
internal bool IsStyleLocal(StyleAsset styleAsset)
{
foreach (IProjectDocument projectDocument in (IEnumerable <IProjectDocument>) this.ProjectContext.Documents)
{
if (projectDocument.DocumentType != ProjectDocumentType.ResourceDictionary && projectDocument.DocumentRoot == styleAsset.ResourceModel.ValueNode.DocumentRoot)
{
return(true);
}
}
return(false);
}
public override bool IsResourceValid(ResourceModel resourceModel)
{
DocumentNode keyNode = resourceModel.KeyNode;
DocumentCompositeNode valueNode = resourceModel.ValueNode as DocumentCompositeNode;
bool flag = keyNode != null && valueNode != null && PlatformTypes.Style.IsAssignableFrom((ITypeId)valueNode.Type) && valueNode.Properties[StyleNode.TargetTypeProperty] != null;
if (flag)
{
IType styleType = StyleAsset.GetStyleType(valueNode);
if (styleType == null || styleType.RuntimeType == (Type)null || !TypeUtilities.HasDefaultConstructor(styleType.RuntimeType, false))
{
flag = false;
}
}
return(flag);
}
public static bool ApplyActiveUserThemeStyle(SceneNode node)
{
IType type = node == null ? (IType)null : node.Type;
if (type == null)
{
return(false);
}
StyleAsset activeUserThemeAsset = node.DesignerContext.AssetLibrary.FindActiveUserThemeAsset((ITypeId)type);
if (activeUserThemeAsset != null)
{
return(activeUserThemeAsset.ApplyStyle(node));
}
return(false);
}
public StyleAsset FindActiveUserThemeAsset(ITypeId type)
{
if (this.DesignerContext.ActiveProject != null && this.ActiveUserThemeProvider != null && this.ActiveUserThemeProvider.CanInsert(this.DesignerContext.ActiveProject))
{
IXamlProject xamlProject = this.DesignerContext.ActiveProject as IXamlProject;
if (xamlProject == null || xamlProject.ProjectContext == null)
{
return((StyleAsset)null);
}
IType type1 = xamlProject.ProjectContext.ResolveType(type);
if (type1 != null)
{
return(StyleAsset.Find((IEnumerable)this.ActiveUserThemeProvider.ThemeAssets, (ITypeId)type1));
}
}
return((StyleAsset)null);
}
public static StyleAsset Find(IEnumerable assets, ITypeId unresolvedType)
{
IType type = (IType)null;
foreach (object obj in assets)
{
StyleAsset styleAsset = obj as StyleAsset;
if (styleAsset != null)
{
if (type == null)
{
type = styleAsset.StyleType.PlatformMetadata.ResolveType(unresolvedType);
}
if (styleAsset.StyleType.Equals((object)type))
{
return(styleAsset);
}
}
}
return((StyleAsset)null);
}
public StyleAssetInstantiator(SceneView sceneView, StyleAssetProvider provider, StyleAsset styleAsset)
: base(sceneView)
{
this.provider = provider;
this.styleAsset = styleAsset;
}
