public T Add <T>(string title, IParentable parent) where T : SurveyObjectBase
{
int id = 0;
object instance = new object();
if (typeof(T) == typeof(Survey))
{
id = Surveys.GetLastId() + 1;
instance = Activator.CreateInstance(typeof(Survey), new object[] { id, title }) as Survey;
parent.AddChild((Survey)instance);
}
else
if (typeof(T) == typeof(Question))
{
var p = parent as Survey;
if (p != null)
{
id = p.Questions.GetLastId() + 1;
instance = (Question)Activator.CreateInstance(typeof(Question), new object[] { id, title });
parent.AddChild((Question)instance);
}
}
else
{
var p = parent as Question;
if (p != null)
{
id = p.Answers.GetLastId() + 1;
instance = (Answer)Activator.CreateInstance(typeof(Answer), new object[] { id, title });
parent.AddChild((Answer)instance);
}
}
return((T)instance);
}
/// <summary>
/// Add object to parent item
/// </summary>
/// <remarks>
/// Doesn't check Id !!!!
/// </remarks>
/// <typeparam name="T">SurveyObjectBase</typeparam>
/// <param name="item">Item to add</param>
/// <param name="parent">Container item</param>
/// <returns></returns>
public T Add <T>(SurveyObjectBase item, IParentable parent) where T : SurveyObjectBase
{
parent.AddChild(item);
return((T)item);
}
public MyObject(string name, IParentable parent)
{
this.Name = name;
this.Parent = parent;
Children = new List<MyObject>();
}
