public FastEntryViewModel(FastEntry model)
{
m_Model = model;
m_Weights = new ObservableCollection <FloatViewModel>();
foreach (float weight in model.Weights)
{
FloatViewModel vm = new FloatViewModel(weight);
vm.PropertyChanged += OnWeightValueChanged;
m_Weights.Add(vm);
}
// Better ways of doing this, but yolo
m_Weights.CollectionChanged += (sender, args) =>
{
m_Model.Weights = m_Weights.Select(f => f.Value).ToList();
OnPropertyChanged(nameof(StartWeight));
OnPropertyChanged(nameof(EndWeight));
};
RefreshWeights();
RefreshDaysFasted();
}
private void RefreshWeights()
{
int numOfWeightSlots = 1;
if (EndTime >= StartTime)
{
numOfWeightSlots = (int)(EndTime - StartTime).TotalDays + 1;
}
else
{
numOfWeightSlots = (int)(DateTime.Now - StartTime).TotalDays + 1;
}
ObservableCollection <FloatViewModel> newWeights = new ObservableCollection <FloatViewModel>();
float lastValue = float.NaN;
for (int i = 0; i < numOfWeightSlots; ++i)
{
if (m_Weights.Count != 0 && i < m_Weights.Count)
{
lastValue = m_Weights[i].Value;
newWeights.Add(m_Weights[i]);
}
else
{
FloatViewModel vm = new FloatViewModel(lastValue);
vm.PropertyChanged += OnWeightValueChanged;
newWeights.Add(vm);
}
}
for (int i = numOfWeightSlots; i < m_Weights.Count; ++i)
{
m_Weights[i].PropertyChanged -= OnWeightValueChanged;
}
Weights = newWeights;
}