/// <summary>
/// Constructor
/// </summary>
public EventViewModel()
{
this.Venues = DBLayer.DomainModels.VenueModel.getAll();
this.Event = new EventModel();
this._subEventCollection = new ObservableCollection<SubEventModel>();
this._budgetCollection = new ObservableCollection<BudgetItemModel>();
this._subEventsToDeleteList = new ObservableCollection<SubEventModel>();
this._budgetItemToDeleteList = new ObservableCollection<BudgetItemModel>();
this._curBudgetItem = new BudgetItemModel();
this._warningMessages = new Dictionary<string, string>();
if (SessionModel.GetInstance().EditEventID > 0)
{
// Load Event from DB Model
this.Event = new EventModel(DBLayer.DomainModels.EventModel.getByID(SessionModel.GetInstance().EditEventID));
List<DBLayer.BudgetItem> bList = DBLayer.DomainModels.BudgetItemModel.getByBudgetId(this.Event.Budget.Id);
foreach (DBLayer.BudgetItem b in bList)
this._budgetCollection.Add(new BudgetItemModel(b));
List<DBLayer.SubEvent> sList = DBLayer.DomainModels.SubEventModel.getAllByEventID(this.Event.Id);
foreach (DBLayer.SubEvent s in sList)
this._subEventCollection.Add(new SubEventModel(s));
this.IsNewEvent = false;
// Set default warning messages.
if (this.Event.IsBudgetOverflow)
this.AddWarningMessage("BudgetOverflow", "Oops! Looks like you have busted your budget! Remove some items or increase your budget.");
if (!this.IsNotCloseToEventDate)
this.AddWarningMessage("CloseToEventDate", "You cannot change certain information (capacity, programme) when your event's start date is less than 3 days from now.");
if (this.Event.IsRegistrationFull)
this.AddWarningMessage("RegistrationFull", "Guest registration is full. Unless you increase the event's capacity, no new registrations are allowed.");
}
else
{
// Add new SubEvent since there must be at least one SubEvent.
this.AddNewSubEvent();
}
}
/// <summary>
/// Sets the active BudgetItem to be edited in the form.
/// </summary>
/// <param name="b">BudgetItemModel object to be edited.</param>
public void SetActiveBudgetItem(BudgetItemModel b)
{
this.CurBudgetItem = b;
this.IsBudgetItemEditingMode = true;
}
/// <summary>
/// Deletes the BudgetItem.
/// </summary>
/// <param name="b">BudgetItemModel object to be deleted.</param>
public void DeleteBudgetItem(BudgetItemModel b)
{
// BudgetItem exists in the database. Remember to delete it later!
if (b.Id > 0) this._budgetItemToDeleteList.Add(b);
this._budgetCollection.Remove(b);
this.UpdateBudgetUI();
}