private void HandleIncreaseMaximum(IParameterViewModel parameterViewModel)
{
var maximum = parameterViewModel.Maximum;
var nextOOM = maximum.GetNextOrderOfMagnitude();
parameterViewModel.Maximum = nextOOM;
}
private void HandleDecreaseMinimum(IParameterViewModel parameterViewModel)
{
var minimum = parameterViewModel.Minimum;
var previousOOM = minimum.GetPreviousOrderOfMagnitude();
parameterViewModel.Minimum = previousOOM;
}
private void HandleDecreaseMaximum(IParameterViewModel parameterViewModel)
{
var maximum = parameterViewModel.Maximum;
var previousOOM = maximum.GetPreviousOrderOfMagnitude();
if (!parameterViewModel.NValue.HasValue || previousOOM > parameterViewModel.NValue)
{
parameterViewModel.Maximum = previousOOM;
}
}
private void HandleIncreaseMinimum(IParameterViewModel parameterViewModel)
{
var minimum = parameterViewModel.Minimum;
var nextOOM = minimum.GetNextOrderOfMagnitude();
if (!parameterViewModel.NValue.HasValue || nextOOM < parameterViewModel.NValue)
{
parameterViewModel.Minimum = nextOOM;
}
}
private void HandleResetValue(IParameterViewModel parameterViewModel)
{
RequireTrue(parameterViewModel.IsSelected);
if (parameterViewModel.NValue.HasValue)
{
// have value so request is for slider reset
var value = parameterViewModel.NValue.Value;
var minimum = value.GetPreviousOrderOfMagnitude();
var maximum = value.GetNextOrderOfMagnitude();
parameterViewModel.Set(value, minimum, maximum);
}
else
{
// non-numerical text, or no text at all...
var currentTValue = parameterViewModel.TValue;
if (currentTValue.IsAString())
{
// handle one specific non-numeric case
var valid = false; // want "min < val < max"
var parts = currentTValue.Split('<');
if (parts.Length == 3)
{
var validMinimum = TryParse(parts[0], out double minimum);
var validValue = TryParse(parts[1], out double value);
var validMaximum = TryParse(parts[2], out double maximum);
valid = validMinimum && validValue && validMaximum && minimum < value && value < maximum;
if (valid)
{
parameterViewModel.Set(value, minimum, maximum);
}
}
if (!valid)
{
_appService.Notify(
NotificationType.Error,
nameof(ParameterViewModel),
nameof(HandleResetValue),
"Invalid interval. Format is min < val < max."
);
}
}
else
{
// no entry so user wants original back
parameterViewModel.TValue = parameterViewModel.DefaultValue;
}
}
}
private void HandleToggleSelect(IParameterViewModel parameterViewModel)
{
parameterViewModel.IsSelected = !parameterViewModel.IsSelected;
}
