/// <summary>Perform the command</summary>
/// <param name="commandHistory">The command history.</param>
public void Do(CommandHistory commandHistory)
{
try
{
parent = presenter.ApsimXFile.FindByPath(parentPath)?.Value as IModel;
if (parent == null)
{
throw new Exception("Cannot find model " + parentPath);
}
if (xmlOrJson != null)
{
modelToAdd = Structure.Add(xmlOrJson, parent);
}
else
{
modelToAdd = Structure.Add(child, parent);
}
presenter.AddChildToTree(parentPath, modelToAdd);
modelAdded = true;
}
catch (Exception err)
{
presenter.MainPresenter.ShowError(err);
modelAdded = false;
}
}