private void SelectLevel(Guid levelUid)
{
Level prev = _project.Levels.Contains(levelUid) ? _project.Levels[levelUid] : null;
LevelPresenter prevLevel = _currentLevelRef;
if (_currentLevel == levelUid)
{
return;
}
// Unbind previously selected layer if necessary
if (_currentLevelRef != null)
{
_currentLevelRef.Deactivate();
_commandManager.RemoveCommandSubscriber(_currentLevelRef);
}
_currentLevel = Guid.Empty;
_currentLevelRef = null;
// Bind new layer
if (levelUid != null && _levelContentController.ContentIsValid(levelUid))
{
_currentLevel = levelUid;
_currentLevelRef = CurrentLevel;
_commandManager.AddCommandSubscriber(_currentLevelRef);
if (!_project.Levels.Contains(levelUid))
{
throw new InvalidOperationException("Selected a LevelPresenter with no corresponding model Level! Selected name: " + levelUid);
}
ContentInfoArbitrationPresenter info = _presentation.ContentInfo as ContentInfoArbitrationPresenter;
info.BindInfoPresenter(CurrentLevel.InfoPresenter);
CurrentLevel.InfoPresenter.RefreshContentInfo();
CurrentLevel.Activate();
}
else
{
ContentInfoArbitrationPresenter info = _presentation.ContentInfo as ContentInfoArbitrationPresenter;
info.BindInfoPresenter(null);
}
InvalidateLevelCommands();
CommandManager.Invalidate(CommandKey.ViewGrid);
OnSyncCurrentLevel(new SyncLevelEventArgs(prev, prevLevel));
OnSyncContentView(EventArgs.Empty);
}