void Selected_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsSelected")
{
_isAnySelected = AllOptions.Any(o => o.IsSelected) && AllCentres.Any(o => o.IsSelected);
}
}
public SelectDataRequiredOptionsViewModel(IRepository _repo, IEnumerable <DataRequiredOption> selectedDataRequired = null, IEnumerable <StudyCentreModel> centres = null)
{
var options = Enum.GetValues(typeof(DataRequiredOption)).Cast <DataRequiredOption>()
.Where(d => d != DataRequiredOption.NotSet).ToList();
AllOptions = selectedDataRequired == null
?options.Select(dro => new DataRequiredOptionsViewModel(dro)
{
IsSelected = true
})
.ToList()
:options.Select(dro => new DataRequiredOptionsViewModel(dro)
{
IsSelected = selectedDataRequired.Contains(dro)
})
.ToList();
AllCentres = centres == null
? _repo.LocalStudyCentres.Select(c => new StudyCentreOptionsViewModel(c)
{
IsSelected = true
}).ToArray()
: _repo.LocalStudyCentres.Select(c => new StudyCentreOptionsViewModel(c)
{
IsSelected = centres.Contains(c)
}).ToArray();
_isAnySelected = true;
foreach (var o in AllOptions)
{
o.PropertyChanged += Selected_PropertyChanged;
}
foreach (var c in AllCentres)
{
c.PropertyChanged += Selected_PropertyChanged;
}
WasCancelled = true;
MultiCentreOption = AllCentres.Skip(1).Any();
SelectAll = new RelayCommand(p =>
{
foreach (var o in AllOptions)
{
o.IsSelected = true;
}
foreach (var c in AllCentres)
{
c.IsSelected = true;
}
});
UnselectAll = new RelayCommand(p =>
{
foreach (var o in AllOptions)
{
o.IsSelected = false;
}
foreach (var c in AllCentres)
{
c.IsSelected = false;
}
});
Close = new RelayCommand(p => RequestClose(this, new EventArgs()));
Apply = new RelayCommand(p =>
{
WasCancelled = false;
Close.Execute(null);
}, p => _isAnySelected);
}
