private void UpdateLayoutInternal()
{
this.Width = NumberOfEntriesDisplayed * (100 + SpaceBetweenEntries) + SpaceBetweenEntries;
this.Height = 100 + 2 * SpaceBetweenEntries;
backgroundRectangle.Height = this.Height;
backgroundRectangle.Width = this.Width;
entryContainerClip.Clip = new RectangleGeometry();
(entryContainerClip.Clip as RectangleGeometry).Rect = new Rect(0, 0, this.Width - 20, this.Height - 20);
Canvas.SetLeft(scrollRightButton, this.Width - 11);
Canvas.SetLeft(refreshButton, (this.Width - refreshButton.Width) / 2);
Canvas.SetTop(refreshButton, (this.Height - refreshButton.Height / 2));
Double _currLeft = 0;
foreach (VideoPanelEntry entry in entryContainer.Children)
{
entry.ScrollHorizontallyTo(_currLeft);
_currLeft += entry.Width + SpaceBetweenEntries;
}
if (LeftMostEntry == 0)
{
HideScrollLeftButtonStoryboard.Begin();
scrollLeftButton.IsHitTestVisible = false;
}
else
{
ShowScrollLeftButtonStoryboard.Begin();
scrollLeftButton.IsHitTestVisible = true;
}
if (LeftMostEntry + NumberOfEntriesDisplayed < entryContainer.Children.Count)
{
ShowScrollRightButtonStoryboard.Begin();
scrollRightButton.IsHitTestVisible = true;
}
else
{
HideScrollRightButtonStoryboard.Begin();
scrollRightButton.IsHitTestVisible = false;
}
Double _desiredLeftPosition = -LeftMostEntry * (100 + SpaceBetweenEntries);
if (Canvas.GetLeft(entryContainer) != _desiredLeftPosition)
{
HorizontalScrollKeyFrame.Value = _desiredLeftPosition;
HorizontalScrollStoryboard.Begin();
}
}
public void ScrollHorizontallyTo(Double newPosition)
{
if (Canvas.GetLeft(this) == newPosition)
{
return;
}
if ((_isLoaded))
{
HorizontalScrollStoryboard.Stop();
HorizontalScrollKeyFrame.Value = newPosition;
HorizontalScrollStoryboard.Begin();
}
else
{
Canvas.SetLeft(this, newPosition);
}
}
