public void MovePersonDown(PersonItemsElement personItem)
{
var toChange = this.PersonItems.IndexOf(personItem);
if (toChange >= this.PersonItems.Count - 1)
{
return;
}
Db.Transact(() => {
(this.PersonItems[toChange + 1].Person.Data as Person).SequenceNumber -= 1;
(personItem.Person.Data as Person).SequenceNumber += 1;
});
PersonItems.RemoveAt(toChange);
PersonItems.Insert(toChange + 1, personItem);
}
public bool IsLast(PersonItemsElement personItem)
{
return(PersonItems.IndexOf(personItem) == PersonItems.Count - 1);
}
public bool IsFirst(PersonItemsElement personItem)
{
return(PersonItems.IndexOf(personItem) == 0);
}