public AnimationElements GetAnimationElements(string uniqueId)
{
if (this.UnusedAnimationElements.Count == 0)
{
AnimationElements animationElements = new AnimationElements();
animationElements.Storyboard = new Storyboard();
animationElements.Image = AnimationManager.GetImage();
animationElements.Image.Name = uniqueId;
DoubleAnimation doubleAnimation = AnimationManager.GetAnimation();
animationElements.Storyboard.Duration = doubleAnimation.Duration;
Storyboard.SetTargetProperty(doubleAnimation, new PropertyPath("(Canvas.Left)"));
Storyboard.SetTarget(doubleAnimation, animationElements.Image);
animationElements.Storyboard.Children.Add(doubleAnimation);
this.AllAnimationElements.Add(animationElements);
return animationElements;
}
else
{
AnimationElements animationElements = this.UnusedAnimationElements[this.UnusedAnimationElements.Count - 1];
this.UnusedAnimationElements.RemoveAt(this.UnusedAnimationElements.Count - 1);
return animationElements;
}
}
/// <summary>
/// When overridden in a derived class, is invoked whenever application code or internal processes (such as a rebuilding layout pass) call <see cref="M:System.Windows.Controls.Control.ApplyTemplate"/>. In simplest terms, this means the method is called just before a UI element displays in an application. For more information, see Remarks.
/// </summary>
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
GridRoot = GetTemplateChild("GridRoot") as Grid;
if (GridRoot == null)
{
throw new NotImplementedException("GridRoot is required to display LoadingIndicator.");
}
for (int i = 0; i < 12; i++)
{
AnimationElements.Add(GetTemplateChild(string.Format("Element{0}", i)) as FrameworkElement);
}
CreateAnimation();
}
public override void UpdateHtml()
{
ChildShapes.ForEach(e => e.UpdateHtml());
AnimationElements.ForEach(a => a.UpdateHtml());
StoredHtml = $"<g{string.Join("", Element.Attributes.Select(a => $" {a.Name}=\"{a.Value}\""))}>\n" + string.Join("", ChildShapes.Select(e => e.StoredHtml + "\n")) + string.Join("", AnimationElements.Select(a => a.StoredHtml + "\n")) + "</g>";
}
