public MetadataTreeNode(IMetadataTreeNode parent, string caption = null, IMetadataTreeElement metadataElement = default, ReadOnlyStateTag readOnlyState = default)
: base(caption : caption, readOnlyState : readOnlyState)
{
//
_children = new MetadataTreeNodeContainer(this);
_inclusions = new MetadataTreeNodeInclusionContainer(this);
//
if (metadataElement != null)
{
SetMetadataElement(link: new Link <MetadataTreeNode, IMetadataTreeElement>(this, metadataElement));
}
if (parent != null)
{
parent.Children.AddComponent(this);
}
}
// TODO: Put strings into the resources.
//
public static TMetadata EnsureHasMetadataOfType <TMetadata>(this IMetadataTreeElement element)
where TMetadata : class, IMetadata
{
element.EnsureNotNull(nameof(element));
//
var elementMetadata = element.Metadata;
if (elementMetadata == null)
{
throw new EonException($"Элемент дерева метаданных '{element}' не связан с объектом метаданных.");
}
var elementMetadataAsTResult = elementMetadata as TMetadata;
if (elementMetadataAsTResult == null)
{
throw new EonException($"Тип объекта метаданных элемента дерева метаданных не совместим с требуемым типом '{typeof(TMetadata)}' (элемент дерева метаданных '{element}' связан с объектом метаданных типа '{elementMetadata.GetType()}').");
}
else
{
return(elementMetadataAsTResult);
}
}
IMetadata IMetadata.CreateCopy(IMetadataTreeElement element, ReadOnlyStateTag readOnlyState) => CreateCopy(element: element, readOnlyState: readOnlyState);
public MetadataBase CreateCopy(IMetadataTreeElement element, ReadOnlyStateTag readOnlyState = default) => (MetadataBase)CreateCopy(copyArgs: new CopyArgs(element: element, readOnlyState: readOnlyState));
public CopyArgs(IMetadataTreeElement element, ReadOnlyStateTag readOnlyState)
: base(readOnlyState: readOnlyState)
{
Element = element;
}
public MetadataTreeNode(string caption = null, IMetadataTreeElement metadataElement = null, ReadOnlyStateTag readOnlyState = null)
: this(parent : null, caption : caption, metadataElement : metadataElement, readOnlyState : readOnlyState)
{
}
