/// <summary>
/// Handles changes to the BackgroundColor property.
/// </summary>
private static void OnBackgroundColorChanged(DependencyObject d,
DependencyPropertyChangedEventArgs e)
{
StaticRating control = (StaticRating)d;
foreach (Star star in control.spStars.Children)
star.BackgroundColor = (SolidColorBrush)e.NewValue;
}
/// <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(StaticRating ratingsControl)
{
double localValue = ratingsControl.Value;
ratingsControl.spStars.Children.Clear();
for (int i = 0; i < ratingsControl.NumberOfStars; i++)
{
Star star = new Star();
star.BackgroundColor = ratingsControl.BackgroundColor;
star.StarForegroundColor = ratingsControl.StarForegroundColor;
star.StarOutlineColor = ratingsControl.StarOutlineColor;
star.StarScaleWidth = ratingsControl.StarScaleWidth;
star.StarScaleHeight = ratingsControl.StarScaleHeight;
star.StarSize = ratingsControl.StarSize;
if (localValue > 1)
star.Value = 1.0;
else if (localValue > 0)
{
star.Value = localValue;
}
else
{
star.Value = 0.0;
}
localValue -= 1.0;
ratingsControl.spStars.Children.Insert(i, star);
}
}
/// <summary>
/// Handles changes to the Value property.
/// </summary>
private static void OnStarScaleHeightChanged(DependencyObject d,
DependencyPropertyChangedEventArgs e)
{
StaticRating ratingsControl = (StaticRating)d;
foreach (Star star in ratingsControl.spStars.Children)
star.StarScaleHeight = ratingsControl.StarScaleHeight;
}
/// <summary>
/// Handles changes to the NumberOfStars property.
/// </summary>
private static void OnNumberOfStarsChanged(DependencyObject d,
DependencyPropertyChangedEventArgs e)
{
StaticRating ratingsControl = (StaticRating)d;
SetupStars(ratingsControl);
}