private void textBoxSubgroup_TextChanged(object sender, RoutedEventArgs e)
{
string error = null;
if (!_settingInternally)
{
MarkPresetChanged();
// parse
Rational[] subgroup = null;
Rational[] narrows = null;
string[] textSubgroup = DS.SplitSubgroupText(textBoxSubgroup.Text);
bool emptySubgroup = String.IsNullOrWhiteSpace(textSubgroup[0]);
bool emptyNarrows = String.IsNullOrWhiteSpace(textSubgroup[1]);
if (!emptySubgroup)
{
subgroup = Rational.ParseRationals(textSubgroup[0], ".");
if (subgroup == null)
{
error = "Invalid subgroup format";
}
}
if (!emptyNarrows)
{
narrows = Rational.ParseRationals(textSubgroup[1], ".");
narrows = NarrowUtils.ValidateNarrows(narrows);
if (narrows == null)
{
error = "Invalid narrows"; //!!! losing subgroup error
}
}
if (error == null)
{
// parsed without errors
// update current settings
_drawerSettings.subgroup = subgroup;
_drawerSettings.narrows = narrows;
// update drawer subgroup
_gridDrawer.SetSubgroup(_drawerSettings.limitPrimeIndex, subgroup, narrows);
// revalidate temperament
if (_drawerSettings.temperament != null)
{
_gridDrawer.SetTemperament(_drawerSettings.temperament); // GridDrawer also validates its temperament values
UpdateTemperamentRowsAfterValidation();
}
InvalidateView();
}
}
//
UpdateSubgroupTip(error);
//
upDownLimit.IsEnabled = _drawerSettings.subgroup == null;
}
static void Test_Narrow()
{
Action <string> testNarrow = (text) => {
string[] parts = text.Split(' ', StringSplitOptions.RemoveEmptyEntries);
Rational r = Rational.Parse(parts[0]);
Rational b = Rational.Parse(parts[1]);
Rational exp = Rational.Parse(parts[2]);
Rational res = NarrowUtils.MakeNarrow(r, b);
Debug.WriteLine("{0,4} / base {1,-4} -> {2,-4} {3}", r, b, res,
res.Equals(exp) ? "Ok" : ("Expected " + exp.ToString()));
};
testNarrow("3 2 3/2");
testNarrow("3 1/2 3/2");
testNarrow("5 6 5/6");
}
// Read settings from controls - used on saving Preset
protected DrawerSettings GetSettingsFromControls()
{
DrawerSettings s = new DrawerSettings {
};
// subgroup
if (!String.IsNullOrWhiteSpace(textBoxSubgroup.Text))
{
string[] subgroupText = DS.SplitSubgroupText(textBoxSubgroup.Text);
s.subgroup = Rational.ParseRationals(subgroupText[0]);
s.narrows = Rational.ParseRationals(subgroupText[1]);
s.narrows = NarrowUtils.ValidateNarrows(s.narrows);
}
// base & prime limit
if (s.subgroup == null)
{
s.limitPrimeIndex = (int)upDownLimit.Value;
}
// generation
s.harmonicityName = (string)comboBoxDistance.SelectedItem;
s.rationalCountLimit = (int)upDownCountLimit.Value;
// temperament
s.temperament = _temperamentControls.GetTemperament();
s.temperamentMeasure = (float)sliderTemperament.Value * 0.01f;
// slope
s.slopeOrigin = Rational.Parse(textBoxSlopeOrigin.Text);
s.slopeChainTurns = (float)upDownChainTurns.Value;
// degrees
//s.degreeCount = (int)upDownDegreeCount.Value;
s.degreeThreshold = (float)upDownDegreeThreshold.Value;
// selection
s.selection = DS.ParseIntervals(textBoxSelection.Text);
// grids
s.edGrids = GridDrawer.EDGrid.Parse(textBoxEDGrids.Text);
return(s);
}
public static DrawerSettings Load(XmlReader r)
{
var s = new DrawerSettings {
};
var ts = new List <Tempered>();
while (r.Read())
{
if (r.NodeType == XmlNodeType.Element)
{
switch (r.Name)
{
case "limitPrime": {
Rational limitPrime = Rational.Parse(r.ReadElementContentAsString()); // allow to be a rational
if (!limitPrime.IsDefault())
{
s.limitPrimeIndex = limitPrime.GetHighPrimeIndex();
}
break;
}
case "subgroup": {
s.subgroup = Rational.ParseRationals(r.ReadElementContentAsString());
break;
}
case "narrows": {
s.narrows = Rational.ParseRationals(r.ReadElementContentAsString());
s.narrows = NarrowUtils.ValidateNarrows(s.narrows);
break;
}
//
case "harmonicityName": s.harmonicityName = r.ReadElementContentAsString(); break;
case "rationalCountLimit": s.rationalCountLimit = r.ReadElementContentAsInt(); break;
//
case "slopeOrigin": s.slopeOrigin = Rational.Parse(r.ReadElementContentAsString()); break;
case "slopeChainTurns": s.slopeChainTurns = r.ReadElementContentAsFloat(); break;
//
//case "degreeCount": s.degreeCount = r.ReadElementContentAsInt(); break;
case "degreeThreshold": s.degreeThreshold = r.ReadElementContentAsFloat(); break;
//
case "selection": s.selection = ParseIntervals(r.ReadElementContentAsString()); break;
case "temper": {
var t = new Tempered {
};
t.rational = Rational.Parse(r.GetAttribute("rational"));
float.TryParse(r.GetAttribute("cents"), out t.cents);
ts.Add(t);
break;
}
case "temperamentMeasure": s.temperamentMeasure = r.ReadElementContentAsFloat(); break;
case "edGrids": s.edGrids = GridDrawer.EDGrid.Parse(r.ReadElementContentAsString()); break;
case "pointRadius": s.pointRadiusLinear = r.ReadElementContentAsFloat(); break;
}
}
}
if (ts.Count > 0)
{
s.temperament = ts.ToArray();
}
return(s);
}
