/// <summary>
/// Initialize a new instance of the TuningSpec class for a DVB satellite frequency.
/// </summary>
/// <param name="satellite">The satellite to tune to.</param>
/// <param name="frequency">The frequency to tune to.</param>
public TuningSpec(Satellite satellite, SatelliteFrequency frequency)
{
this.frequency = frequency;
this.satellite = satellite;
symbolRate = frequency.SymbolRate;
fec = frequency.FEC;
signalPolarization = frequency.Polarization;
modulation = frequency.Modulation;
}
/// <summary>
/// Compare another satellite frequency with this one.
/// </summary>
/// <param name="compareFrequency">The tuning frequency to be compared to.</param>
/// <returns>0 if the frequencies are equal, -1 if this instance is less, +1 otherwise.</returns>
public override int CompareTo(object compareFrequency)
{
SatelliteFrequency satelliteFrequency = compareFrequency as SatelliteFrequency;
if (satelliteFrequency == null)
{
throw (new ArgumentException("Object is not a SatelliteFrequency"));
}
if (satelliteFrequency.Frequency == Frequency)
{
return(polarization.ToString().CompareTo(satelliteFrequency.Polarization.ToString()));
}
return(Frequency.CompareTo(satelliteFrequency.Frequency));
}
/// <summary>
/// Generate a copy of this frequency.
/// </summary>
/// <returns>A new instance with the same properties as the old instance.</returns>
public override TuningFrequency Clone()
{
SatelliteFrequency newFrequency = new SatelliteFrequency();
base.Clone(newFrequency);
newFrequency.FEC = fec;
newFrequency.Polarization = polarization;
newFrequency.SymbolRate = symbolRate;
newFrequency.Pilot = pilot;
newFrequency.RollOff = rollOff;
newFrequency.Modulation = modulation;
if (satelliteDish != null)
{
newFrequency.SatelliteDish = (SatelliteDish)satelliteDish.Clone();
}
return(newFrequency);
}
/// <summary>
/// Generate a copy of this frequency.
/// </summary>
/// <returns>A new instance with the same properties as the old instance.</returns>
public override TuningFrequency Clone()
{
SatelliteFrequency newFrequency = new SatelliteFrequency();
base.Clone(newFrequency);
newFrequency.FEC = fec;
newFrequency.Polarization = polarization;
newFrequency.SymbolRate = symbolRate;
newFrequency.Pilot = pilot;
newFrequency.RollOff = rollOff;
newFrequency.Modulation = modulation;
if (satelliteDish != null)
newFrequency.SatelliteDish = (SatelliteDish)satelliteDish.Clone();
return (newFrequency);
}
internal void load(FileInfo fileInfo)
{
SatelliteFrequency satelliteFrequency = null;
XmlReader reader = null;
XmlReaderSettings settings = new XmlReaderSettings();
settings.IgnoreWhitespace = true;
try
{
reader = XmlReader.Create(fileInfo.FullName, settings);
}
catch (IOException)
{
Logger.Instance.Write("Failed to open " + fileInfo.Name);
return;
}
try
{
while (!reader.EOF)
{
reader.Read();
if (reader.IsStartElement())
{
switch (reader.Name)
{
case "Transponder":
if (satelliteFrequency != null)
AddFrequency(satelliteFrequency);
satelliteFrequency = new SatelliteFrequency();
satelliteFrequency.Provider = this;
break;
default:
if (satelliteFrequency != null)
satelliteFrequency.load(reader);
break;
}
}
}
if (satelliteFrequency != null)
AddFrequency(satelliteFrequency);
}
catch (XmlException e)
{
Logger.Instance.Write("Failed to load file " + fileInfo.Name);
Logger.Instance.Write("Data exception: " + e.Message);
}
catch (IOException e)
{
Logger.Instance.Write("Failed to load file " + fileInfo.Name);
Logger.Instance.Write("I/O exception: " + e.Message);
}
if (reader != null)
reader.Close();
}
/// <summary>
/// Add a new frequency.
/// </summary>
/// <param name="newFrequency">The frequency to be added.</param>
public void AddFrequency(SatelliteFrequency newFrequency)
{
foreach (SatelliteFrequency oldFrequency in Frequencies)
{
if (oldFrequency.Frequency == newFrequency.Frequency)
{
if (oldFrequency.Polarization == newFrequency.Polarization)
return;
else
{
if (oldFrequency.Polarization.PolarizationAbbreviation.CompareTo(newFrequency.Polarization.PolarizationAbbreviation) > 0)
{
Frequencies.Insert(Frequencies.IndexOf(oldFrequency), newFrequency);
return;
}
}
}
if (oldFrequency.Frequency > newFrequency.Frequency)
{
Frequencies.Insert(Frequencies.IndexOf(oldFrequency), newFrequency);
return;
}
}
Frequencies.Add(newFrequency);
}
