private static CommandHandlerWrapper CreateCommandHandlerWrapper(
Type commandDefinitionType, object commandHandler)
{
if (typeof(CommandDefinition).IsAssignableFrom(commandDefinitionType))
{
return(CommandHandlerWrapper.FromCommandHandler(CommandHandlerInterfaceType.MakeGenericType(commandDefinitionType), commandHandler));
}
if (typeof(CommandListDefinition).IsAssignableFrom(commandDefinitionType))
{
return(CommandHandlerWrapper.FromCommandListHandler(CommandListHandlerInterfaceType.MakeGenericType(commandDefinitionType), commandHandler));
}
throw new InvalidOperationException();
}
void ICommandUiItem.Update(CommandHandlerWrapper commandHandler)
{
// TODO
}
void ICommandUiItem.Update(CommandHandlerWrapper commandHandler)
{
if (_command != null && _command.CommandDefinition.IsList && !IsListItem)
{
foreach (var listItem in _listItems)
_parent.Children.Remove(listItem);
_listItems.Clear();
var listCommands = new List<Command>();
commandHandler.Populate(_command, listCommands);
_command.Visible = false;
int startIndex = _parent.Children.IndexOf(this) + 1;
foreach (var command in listCommands)
{
var newMenuItem = new CommandMenuItem(command, _parent)
{
IsListItem = true
};
_parent.Children.Insert(startIndex++, newMenuItem);
_listItems.Add(newMenuItem);
}
}
}