/// <summary>
/// Gets called when the parent model element of the current model element is about to change
/// </summary>
/// <param name="oldParent">The old parent model element</param>
/// <param name="newParent">The new parent model element</param>
protected override void OnParentChanging(IModelElement newParent, IModelElement oldParent)
{
IPersonRegister oldPersonsInverse = ModelHelper.CastAs <IPersonRegister>(oldParent);
IPersonRegister newPersonsInverse = ModelHelper.CastAs <IPersonRegister>(newParent);
ValueChangedEventArgs e = new ValueChangedEventArgs(oldPersonsInverse, newPersonsInverse);
this.OnPersonsInverseChanging(e);
this.OnPropertyChanging("PersonsInverse", e, _personsInverseReference);
}
/// <summary>
/// Adds the given element to the collection
/// </summary>
/// <param name="item">The item to add</param>
public override void Add(IModelElement item)
{
if ((this._parent.PersonsInverse == null))
{
IPersonRegister personsInverseCasted = item.As <IPersonRegister>();
if ((personsInverseCasted != null))
{
this._parent.PersonsInverse = personsInverseCasted;
return;
}
}
}
/// <summary>
/// Gets called when the parent model element of the current model element changes
/// </summary>
/// <param name="oldParent">The old parent model element</param>
/// <param name="newParent">The new parent model element</param>
protected override void OnParentChanged(IModelElement newParent, IModelElement oldParent)
{
IPersonRegister oldPersonsInverse = ModelHelper.CastAs <IPersonRegister>(oldParent);
IPersonRegister newPersonsInverse = ModelHelper.CastAs <IPersonRegister>(newParent);
if ((oldPersonsInverse != null))
{
oldPersonsInverse.Persons.Remove(this);
}
if ((newPersonsInverse != null))
{
newPersonsInverse.Persons.Add(this);
}
ValueChangedEventArgs e = new ValueChangedEventArgs(oldPersonsInverse, newPersonsInverse);
this.OnPersonsInverseChanged(e);
this.OnPropertyChanged("PersonsInverse", e, _personsInverseReference);
base.OnParentChanged(newParent, oldParent);
}
public HeightObserver(IPersonRegister p)
{
height = 0;
this.p = p;
p.Attach(this);
}
public YearObserver(IPersonRegister p)
{
ageInYears = 0;
this.p = p;
p.Attach(this);
}
public MonthObserver(IPersonRegister p)
{
this.p = p;
p.Attach(this);
}
public DayObserver(IPersonRegister p)
{
ageInDays = 0;
this.p = p;
p.Attach(this);
}