/// <summary>
/// Coerces the Value value.
/// </summary>
private static object CoerceValueValue(DependencyObject d, object value)
{
RatingsControl ratingsControl = (RatingsControl)d;
Decimal current = (Decimal)value;
if (current < ratingsControl.Minimum)
{
current = ratingsControl.Minimum;
}
if (current > ratingsControl.Maximum)
{
current = ratingsControl.Maximum;
}
return(current);
}
/// <summary>
/// Coerces the NumberOfStars value.
/// </summary>
private static object CoerceNumberOfStarsValue(DependencyObject d, object value)
{
RatingsControl ratingsControl = (RatingsControl)d;
Int32 current = (Int32)value;
if (current < ratingsControl.Minimum)
{
current = ratingsControl.Minimum;
}
if (current > ratingsControl.Maximum)
{
current = ratingsControl.Maximum;
}
return(current);
}
/// <summary>
/// Sets up stars when Value or NumberOfStars properties change
/// Will only show up to the number of stars requested (up to Maximum)
/// so if Value > NumberOfStars * 1, then Value is clipped to maximum
/// number of full stars
/// </summary>
/// <param name="ratingsControl"></param>
private static void SetupStars(RatingsControl ratingsControl)
{
Decimal localValue = ratingsControl.Value;
ratingsControl.spStars.Children.Clear();
for (int i = 0; i < ratingsControl.NumberOfStars; i++)
{
StarControl star = new StarControl();
star.BackgroundColor = ratingsControl.BackgroundColor;
star.StarForegroundColor = ratingsControl.StarForegroundColor;
star.StarOutlineColor = ratingsControl.StarOutlineColor;
if (localValue > 1)
star.Value = 1.0m;
else if (localValue > 0)
{
star.Value = localValue;
}
else
{
star.Value = 0.0m;
}
localValue -= 1.0m;
ratingsControl.spStars.Children.Insert(i,star);
}
}