/// <summary>
/// updates a property for a child
/// </summary>
/// <param name="c">the child to update</param>
/// <param name="prop">the property to update (if it is SpecialNeeds, it will ADD the new value to the list)</param>
/// <param name="newVal">the new value for the property</param>
/// <exception cref="System.Exception">thrown if the new value is not of a proper type for the property</exception>
public void UpdateChild(Child c, Child.Props prop, object newVal)
{//****
//if (prop == Child.Props.BirthDate)
//{
// if (!(newVal)
//}
// throw new Exception("Age cannot be below 0");
dal.UpdateChild(c, prop, newVal);
}
public void UpdateChild(Child c, Child.Props prop, object newVal)
{
LoadData(TypeToLoad.Child);
XElement ChildToUpdate = (from ch in ChildrenRoot.Elements()
where ch.Element("ID").Value == c.ID
select ch).FirstOrDefault();
switch (prop)
{
//case Child.Props.BirthDate:
// if (newVal is DateTime)
// c.BirthDate = (DateTime)newVal;
// else
// throw new Exception("wrong type for the 3rd parameter");
// break;
case Child.Props.FirstName:
if (newVal is string)
{
ChildToUpdate.Element("FirstName").Value = (string)newVal;
}
else
{
throw new Exception("wrong type for the 3rd parameter");
}
break;
case Child.Props.HaveSpecialNeeds:
if (newVal is bool)
{
ChildToUpdate.Element("HaveSpecialNeeds").Value = newVal.ToString();
if (!(bool)newVal)
{
ChildToUpdate.Element("SpecialNeeds").RemoveAll(); // if the child has no special needs, that means the list of them makes no sense
}
}
else
{
throw new Exception("wrong type for the 3rd parameter");
}
break;
//case Child.Props.ID:
// if (newVal is string)
// {
// foreach (Nanny ch in DataSource.Nannies)
// if (ch.ID == c.ID)
// throw new Exception("ID already exists!");
// foreach (Child ch in DataSource.Children)
// if (ch != c && ch.ID == c.ID)
// throw new Exception("ID already exists!");
// foreach (Mother ch in DataSource.Mothers)
// if (ch.ID == c.ID)
// throw new Exception("ID already exists!");
// c.ID = (string)newVal;
// }
// else
// throw new Exception("wrong type for the 3rd parameter");
// break;
case Child.Props.LastName:
if (newVal is string)
{
ChildToUpdate.Element("LastName").Value = (string)newVal;
}
else
{
throw new Exception("wrong type for the 3rd parameter");
}
break;
case Child.Props.MotherID:
if (newVal is string)
{
foreach (Mother ch in GetMothers())
{
if (ch.ID == (string)newVal)
{
ChildToUpdate.Element("MotherID").Value = (string)newVal;
break;
}
else
{
throw new Exception("mother doesn't exist");
}
}
}
else
{
throw new Exception("wrong type for the 3rd parameter");
}
break;
case Child.Props.SpecialNeeds:
if (newVal is string)
{
ChildToUpdate.Element("SpecialNeeds").Add(new XElement("Need", (string)newVal));
ChildToUpdate.Element("HaveSpecialNeeds").Value = "true"; // else the added speical need makes no sense. Note that this is actually a kind of "explicit binding" between the 2 fields
}
else
{
throw new Exception("wrong type for the 3rd parameter");
}
break;
}
ChildrenRoot.Save(Address + "\\Children.xml");
}
/// <summary>
/// updates a property for a child
/// </summary>
/// <param name="c">the child to update</param>
/// <param name="prop">the property to update (if it is SpecialNeeds, it will ADD the new value to the list)</param>
/// <param name="newVal">the new value for the property</param>
/// <exception cref="System.Exception">thrown if the new value is not of a proper type for the property</exception>
public void UpdateChild(Child c, Child.Props prop, object newVal)
{
switch (prop)
{
//case Child.Props.BirthDate:
// if (newVal is DateTime)
// c.BirthDate = (DateTime)newVal;
// else
// throw new Exception("wrong type for the 3rd parameter");
// break;
case Child.Props.FirstName:
if (newVal is string)
{
c.FirstName = (string)newVal;
}
else
{
throw new Exception("wrong type for the 3rd parameter");
}
break;
case Child.Props.HaveSpecialNeeds:
if (newVal is bool)
{
c.HaveSpecialNeeds = (bool)newVal;
if (!c.HaveSpecialNeeds)
{
c.SpecialNeeds.Clear(); // if the child has no special needs, that means the list of them makes no sense
}
}
else
{
throw new Exception("wrong type for the 3rd parameter");
}
break;
//case Child.Props.ID:
// if (newVal is string)
// {
// foreach (Nanny ch in DataSource.Nannies)
// if (ch.ID == c.ID)
// throw new Exception("ID already exists!");
// foreach (Child ch in DataSource.Children)
// if (ch != c && ch.ID == c.ID)
// throw new Exception("ID already exists!");
// foreach (Mother ch in DataSource.Mothers)
// if (ch.ID == c.ID)
// throw new Exception("ID already exists!");
// c.ID = (string)newVal;
// }
// else
// throw new Exception("wrong type for the 3rd parameter");
// break;
case Child.Props.LastName:
if (newVal is string)
{
c.LastName = (string)newVal;
}
else
{
throw new Exception("wrong type for the 3rd parameter");
}
break;
case Child.Props.MotherID:
if (newVal is string)
{
foreach (Mother ch in DataSource.Mothers)
{
if (ch.ID == (string)newVal)
{
c.MotherID = (string)newVal;
break;
}
else
{
throw new Exception("mother doesn't exist");
}
}
}
else
{
throw new Exception("wrong type for the 3rd parameter");
}
break;
case Child.Props.SpecialNeeds:
if (newVal is string)
{
c.SpecialNeeds.Add((string)newVal);
c.HaveSpecialNeeds = true; // else the added speical need makes no sense. Note that this is actually a kind of "explicit binding" between the 2 fields
}
else
{
throw new Exception("wrong type for the 3rd parameter");
}
break;
}
}
