public static IEnumerable<IKeypadButtonState> ConvertButtons(byte[] data)
{
var relevantBytes = data.Skip(3).Take(4);
var row = 1;
var column = 'A';
foreach (var chunk in relevantBytes)
{
byte mask = 1;
for (byte i = 0; i < 6; i++)
{
var id = "" + column + row;
var pressed = (chunk & mask) > 0;
var buttonState = new ReadOnlyKeypadButtonState(id, pressed);
yield return buttonState;
row++;
mask *= 2;
}
row = 1;
column++;
}
}
public static ReadOnlyKeypadButtonState CopyFrom(IKeypadButtonState source)
{
var result = new ReadOnlyKeypadButtonState
{
Id = source.Id,
Pressed = source.Pressed
};
return(result);
}
public static ReadOnlyKeypadButtonState CopyFrom(IKeypadButtonState source)
{
var result = new ReadOnlyKeypadButtonState
{
Id = source.Id,
Pressed = source.Pressed
};
return result;
}
public static IEnumerable <IKeypadButtonState> Changes(this IEnumerable <IKeypadButtonState> newState, IEnumerable <IKeypadButtonState> oldState)
{
var result = newState.Where(@new =>
{
var old = oldState.FirstOrDefault(x => x.Id == @new.Id);
if (old == null)
{
old = new ReadOnlyKeypadButtonState(@new.Id, null);
}
return(@new.Changed(old));
}).ToArray();
return(result);
}
public static IEnumerable<IKeypadButtonState> Changes(this IEnumerable<IKeypadButtonState> newState, IEnumerable<IKeypadButtonState> oldState)
{
var result = newState.Where(@new =>
{
var old = oldState.FirstOrDefault(x => x.Id == @new.Id);
if (old == null)
{
old = new ReadOnlyKeypadButtonState(@new.Id, null);
}
return @new.Changed(old);
}).ToArray();
return result;
}
public static ReadOnlyKeypadButtonState FromXElement(XElement element)
{
var id = element.GetAttributeStringValue("Id");
var pressed = element.GetAttributeStringValue("Pressed");
var result = new ReadOnlyKeypadButtonState
{
Id = id
};
if (pressed != null)
{
result.Pressed = Convert.ToBoolean(pressed);
}
return(result);
}
public static ReadOnlyKeypadButtonState FromXElement(XElement element)
{
var id = element.GetAttributeStringValue("Id");
var pressed = element.GetAttributeStringValue("Pressed");
var result = new ReadOnlyKeypadButtonState
{
Id = id
};
if (pressed != null)
{
result.Pressed = Convert.ToBoolean(pressed);
}
return result;
}
public static IKeypadButtonState ToButton(this XElement element)
{
return(ReadOnlyKeypadButtonState.FromXElement(element));
}
public static IKeypadButtonState Copy(this IKeypadButtonState state)
{
return(ReadOnlyKeypadButtonState.CopyFrom(state));
}