public static double Convert(double val, Unit from, Unit to)
{
UnitConversion conv = GetConversion(from, to);
if (conv == null)
throw new ArgumentException("Unknown unit");
return conv.Convert(val);
}
public UnitConversion(Unit from, Unit to, double preAdjust, double scale, double postAdjust)
{
this.from = from;
this.to = to;
this.preAdjust = preAdjust;
this.postAdjust = postAdjust;
this.scale = scale;
}
public static UnitConversion GetConversion(Unit from, Unit to)
{
foreach (UnitConversion conv in conversions) {
if (object.Equals(from, conv.From) && object.Equals(to, conv.To))
return conv;
}
return null;
}
public GraphItemAdapter(string name, Color color, double windowSize, DataItemAdapter dataItemAdapter)
{
// store values
this.dataItemAdapter = dataItemAdapter;
this.name = name;
// get the source units
this.sourceUnits = UnitConverter.GetUnit(dataItemAdapter.DataItemUnits);
// create the queues
plotQueue = new TimeWindowQueue(windowSize);
recvQueue = new TimeWindowQueue(windowSize);
// create the plot object
plot = new LinePlot(plotQueue.ValueList, plotQueue.TimestampList);
plot.Color = color;
plot.Label = name;
// subscribe to relevant events
Services.RunControlService.RenderCycle += RunControlService_RenderCycle;
dataItemAdapter.DataValueReceived += dataItemAdapter_DataValueReceived;
}
private void PopulateDestUnits(Unit source)
{
comboDestUnits.Items.Clear();
if (source != null) {
List<string> destUnits = new List<string>();
foreach (UnitConversion conv in UnitConverter.GetConversions(source)) {
destUnits.Add(conv.To.Abbreviation ?? conv.To.Name);
}
destUnits.Sort();
// find the source name again
string sourceName = source.Abbreviation ?? source.Name;
int identityIndex = destUnits.FindIndex(delegate(string s) { return s == sourceName; });
if (identityIndex < 0) identityIndex = 0;
comboDestUnits.Items.AddRange(destUnits.ToArray());
comboDestUnits.Enabled = true;
comboDestUnits.SelectedIndex = identityIndex;
}
else {
comboDestUnits.Enabled = false;
}
}
private void SelectUnit(Unit unit, ComboBox combo)
{
string name = unit.Abbreviation ?? unit.Name;
for (int i = 0; i < combo.Items.Count; i++) {
if (object.Equals(name, combo.Items[i])) {
combo.SelectedIndex = i;
break;
}
}
}
private void SelectSourceUnit(Unit source)
{
SelectUnit(source, comboSourceUnits);
}
private void SelectDestUnit(Unit dest)
{
SelectUnit(dest, comboDestUnits);
}
public static IEnumerable<UnitConversion> GetConversions(Unit uo)
{
if (uo == null)
yield break;
foreach (UnitConversion u in conversions) {
if (object.Equals(u.From, uo))
yield return u;
}
yield break;
}
public static void AddUnit(Unit unit)
{
units.Add(unit);
}
private static void HandleUnit(XmlReader reader)
{
string name = reader.GetAttribute("name", "http://www.cornellracing.com/Units.xsd");
string abbrev = reader.GetAttribute("abbrev", "http://www.cornellracing.com/Units.xsd");
string category = reader.GetAttribute("category", "http://www.cornellracing.com/Units.xsd");
Unit u = new Unit(name, abbrev, category);
AddUnit(u);
}
