private void RefreshCommands()
{
AddNoteCommand.RaiseCanExecuteChanged();
MoveUpCommand.RaiseCanExecuteChanged();
MoveDownCommand.RaiseCanExecuteChanged();
DeleteNodeCommand.RaiseCanExecuteChanged();
}
public ICommandResult Handle(DeleteNodeCommand command)
{
//Fail Fast Validation
command.Validate();
if (command.Invalid)
{
return(new GenericCommandResult(false, Messages.Ex_ExceptionGeneric, command.Notifications));
}
var node = _repository.GetById(command.Id);
if (node == null)
{
return(new GenericCommandResult(false, Messages.Ex_ItemNotFound.ToFormat(command.Id.ToString() ?? ""), command.Notifications));
}
_repository.Delete(node);
return(new GenericCommandResult(true, Messages.Act_Deleted, node));
}
public ActionResult Delete(int groupId, int nodeId)
{
Request.ThrowIfDifferentReferrer();
var node = _database.Nodes
.SingleOrDefault(n => n.GroupId == groupId &&
n.Id == nodeId);
if (node != null)
{
var command = new DeleteNodeCommand()
{
Node = node
};
_dispatcher.Dispatch(command);
return(RedirectToAction(nameof(Index)));
}
return(HttpNotFound());
}
public GenericCommandResult Delete([FromBody] DeleteNodeCommand command, [FromServices] NodeHandler handler)
{
return((GenericCommandResult)handler.Handle(command));
}
/// <summary>
/// Removes the given node from the graph
/// </summary>
/// <param name="graph"></param>
/// <param name="node"></param>
public static void DeleteNode(this StateMachine stateMachine, Node node)
{
ICommand command = new DeleteNodeCommand(stateMachine, node);
command.Execute();
}