/// <summary>
/// Deletes this folder. The folder must not contain any entity before being deleted.
/// </summary>
public void Delete()
{
if (InnerSubEntities.Any())
{
throw new InvalidOperationException("The folder being deleted is not empty.");
}
var path = Path;
var ownerId = Owner.Id;
if (Parent == null)
{
throw new InvalidOperationException($"{nameof(Parent)} cannot be null");
}
Parent.Folders.Remove(this);
if (!Editor.UndoRedoService.UndoRedoInProgress)
{
var operation = new EntityFolderOperation(Asset, EntityFolderOperation.Action.FolderDeleted, path, ownerId);
Editor.UndoRedoService.PushOperation(operation);
}
}
private void UpdateName([NotNull] string newName)
{
// note: even though folder paths are considered to be case-insensitive, we still want to propagate a case-only change and update the affected entities.
if (string.Equals(name, newName, StringComparison.Ordinal))
{
return;
}
if (Editor.UndoRedoService.UndoRedoInProgress)
{
name = newName;
return;
}
using (var transaction = Editor.UndoRedoService.CreateTransaction())
{
// We need to update the name first so that the Path properties is consistent
var oldName = name;
name = newName;
foreach (var entity in InnerSubEntities)
{
var node = Editor.NodeContainer.GetOrCreateNode(entity.EntityDesign);
// In this case, the parent is either the current folder or a subfolder in between
var parent = (EntityFolderViewModel)entity.Parent;
if (parent == null)
{
throw new InvalidOperationException($"{nameof(parent)} cannot be null");
}
node[nameof(EntityDesign.Folder)].Update(parent.Path);
}
if (Parent == null)
{
throw new InvalidOperationException($"{nameof(Parent)} cannot be null");
}
var operation = new EntityFolderOperation(Asset, EntityFolderOperation.Action.FolderRenamed, Path, oldName, Parent.Owner.Id);
Editor.UndoRedoService.PushOperation(operation);
Editor.UndoRedoService.SetName(transaction, $"Rename folder '{oldName}' to '{newName}'");
}
}