/// <summary>
/// Clones all writable properties, importantly handling strings and primitives
/// </summary>
/// <param name="target"></param>
/// <returns><see cref="target"/>, as a convenience</returns>
protected virtual DictionaryNodeOptions DeepCloneInto(DictionaryNodeOptions target)
{
var properties = GetType().GetProperties();
foreach (var property in properties.Where(prop => prop.CanWrite)) // Skip any read-only properties
{
var originalValue = property.GetValue(this, null);
property.SetValue(target, originalValue, null);
}
return(target);
}
protected override DictionaryNodeOptions DeepCloneInto(DictionaryNodeOptions target)
{
base.DeepCloneInto(target);
((DictionaryNodeWritingSystemOptions)target).Options = Options.Select(dno => new DictionaryNodeListOptions.DictionaryNodeOption
{
Id = dno.Id, IsEnabled = dno.IsEnabled
}).ToList();
return(target);
}
/// <summary>
/// Clone this node, point to the given Parent. Deep-clone Children and DictionaryNodeOptions
/// </summary>
/// <remarks>
/// Grouping node children are cloned only if this is a recursive call.
/// Referenced children are cloned only if this is NOT a recursive call.
/// </remarks>
internal ConfigurableDictionaryNode DeepCloneUnderParent(ConfigurableDictionaryNode parent, bool isRecursiveCall = false)
{
var clone = new ConfigurableDictionaryNode();
// Copy everything over at first, importantly handling strings, bools.
var properties = typeof(ConfigurableDictionaryNode).GetProperties();
foreach (var property in properties)
{
// Skip Parent and read-only properties (eg DisplayLabel)
if (!property.CanWrite || property.Name == "Parent")
{
continue;
}
var originalValue = property.GetValue(this, null);
property.SetValue(clone, originalValue, null);
}
clone.ReferencedNode = ReferencedNode; // GetProperties() doesn't return internal properties; copy here
clone.Parent = parent;
// Deep-clone Children
if (Children != null && Children.Any())
{
if (isRecursiveCall || !(DictionaryNodeOptions is DictionaryNodeGroupingOptions))
{
// Cloned children should point to their newly-cloned parent
clone.Children = Children.Select(child => child.DeepCloneUnderParent(clone, true)).ToList();
}
else
{
// Cloning children of a group creates problems because the children can be moved out of the group.
// Also the only expected use of cloning a group is to get a new group to group different children.
clone.Children = null;
}
}
else if (!isRecursiveCall && ReferencedNode != null && ReferencedNode.Children != null)
{
// Allow users to configure copies of Shared nodes (e.g. Subentries) separately
clone.ReferencedNode = null;
clone.ReferenceItem = null;
clone.Children = ReferencedNode.Children.Select(child => child.DeepCloneUnderParent(clone, true)).ToList();
}
// Deep-clone DictionaryNodeOptions
if (DictionaryNodeOptions != null)
{
clone.DictionaryNodeOptions = DictionaryNodeOptions.DeepClone();
}
return(clone);
}