/// <summary>
/// Handles DataUpdated event from ultraviolet sensor.
/// </summary>
/// <param name="sender">Object which invoked the event.</param>
/// <param name="e">Ultraviolet sensor data.</param>
private void OnDataUpdated(object sender, UltravioletSensorDataUpdatedEventArgs e)
{
UvLevel level = UvLevel.None;
if (e.UltravioletIndex < 3.0)
{
level = UvLevel.Low;
}
else if (e.UltravioletIndex < 6.0)
{
level = UvLevel.Moderate;
}
else if (e.UltravioletIndex < 8.0)
{
level = UvLevel.High;
}
else if (e.UltravioletIndex < 11.0)
{
level = UvLevel.VeryHigh;
}
else
{
level = UvLevel.Extreme;
}
UvLevelUpdated?.Invoke(this, level);
}
/// <summary>
/// Gets text color associated with UvLevel enum value.
/// </summary>
/// <param name="value">Type of uv level.</param>
/// <returns>Color of the text associated with UvLevel enum value.</returns>
public static Color GetTextColor(this UvLevel value)
{
if (!(GetLevelDescriptionAttribute(value) is UvLevelDescriptionAttribute levelAttribute))
{
return(Color.Black);
}
return(levelAttribute.TextColor);
}
/// <summary>
/// Gets uv index associated with UvLevel enum value.
/// </summary>
/// <param name="value">Type of uv level.</param>
/// <returns>Uv index associated with UvLevel enum value.</returns>
public static string GetUvIndex(this UvLevel value)
{
if (!(GetLevelDescriptionAttribute(value) is UvLevelDescriptionAttribute levelAttribute))
{
return(null);
}
return(levelAttribute.UvIndex);
}
/// <summary>
/// Gets filename associated with UvLevel enum value.
/// </summary>
/// <param name="value">Type of uv level.</param>
/// <returns>Filename associated with UvLevel enum value.</returns>
public static string GetFilename(this UvLevel value)
{
if (!(GetLevelDescriptionAttribute(value) is UvLevelDescriptionAttribute levelAttribute))
{
return(null);
}
return(levelAttribute.Filename);
}
/// <summary>
/// Gets UvLevelDescriptionAttribute associated with UvLevel value.
/// </summary>
/// <param name="value">Type of uv level.</param>
/// <returns>Attributes associated with UvLevel enum value.</returns>
private static UvLevelDescriptionAttribute GetLevelDescriptionAttribute(UvLevel value)
{
if (!(value.GetType().GetField(value.ToString()) is FieldInfo fieldInfo))
{
return(null);
}
if (!(fieldInfo.GetCustomAttribute(typeof(UvLevelDescriptionAttribute))
is UvLevelDescriptionAttribute levelAttribute))
{
return(null);
}
return(levelAttribute);
}
/// <summary>
/// Initializes class.
/// </summary>
/// <param name="level">Uv level.</param>
public DetailsViewModel(UvLevel level)
{
Level = level;
}
