/// <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="RateControl"></param>
private static void SetupStars(RateControl RateControl)
{
double localValue = RateControl.Value;
RateControl.spStars.Children.Clear();
for (int i = 0; i < RateControl.NumberOfStars; i++)
{
Stars star = new Stars();
star.BackgroundColor = RateControl.BackgroundColor;
if (i < localValue)
{
star.StarForegroundColor = RateControl.StarForegroundColor;
}
else
{
star.StarForegroundColor = RateControl.StarFadeColor;
}
star.StarOutlineColor = RateControl.StarOutlineColor;
if (localValue > 1)
{
star.Value = 1.0;
}
else if (localValue > 0)
{
star.Value = localValue;
}
else
{
star.Value = 0.0;
}
localValue -= 1.0;
RateControl.spStars.Children.Insert(i, star);
}
}
/// <summary>
/// Handles changes to the NumberOfStars property.
/// </summary>
private static void OnNumberOfStarsChanged(DependencyObject d,
DependencyPropertyChangedEventArgs e)
{
RateControl RateControl = (RateControl)d;
SetupStars(RateControl);
}
/// <summary>
/// Handles changes to the StarForegroundColor property.
/// </summary>
private static void OnStarForegroundColorChanged(DependencyObject d,
DependencyPropertyChangedEventArgs e)
{
RateControl control = (RateControl)d;
foreach (Stars star in control.spStars.Children)
{
star.StarForegroundColor = (SolidColorBrush)e.NewValue;
}
}