void LongList_GroupViewOpened(object sender, GroupViewOpenedEventArgs e)
{
if (buttonPressed)
{
LongList.CloseGroupView();
}
buttonPressed = false;
}
private void conversionsLongListSelector_GroupViewOpened(object sender, GroupViewOpenedEventArgs e)
{
//Hold a reference to the active long list selector.
currentSelector = sender as LongListSelector;
//Dispatch the swivel animation for performance on the UI thread.
Dispatcher.BeginInvoke(() =>
{
//Construct and begin a swivel animation to pop in the group view.
IEasingFunction quadraticEase = new QuadraticEase {
EasingMode = EasingMode.EaseOut
};
Storyboard _swivelShow = new Storyboard();
_swivelShow.SetValue(NameProperty, "_swivelShowStoryboard");
ItemsControl groupItems = e.ItemsControl;
foreach (var item in groupItems.Items)
{
UIElement container = groupItems.ItemContainerGenerator.ContainerFromItem(item) as UIElement;
if (container != null)
{
Border content = VisualTreeHelper.GetChild(container, 0) as Border;
if (content != null)
{
DoubleAnimationUsingKeyFrames showAnimation = new DoubleAnimationUsingKeyFrames();
EasingDoubleKeyFrame showKeyFrame1 = new EasingDoubleKeyFrame();
showKeyFrame1.KeyTime = TimeSpan.FromMilliseconds(0);
showKeyFrame1.Value = -60;
showKeyFrame1.EasingFunction = quadraticEase;
EasingDoubleKeyFrame showKeyFrame2 = new EasingDoubleKeyFrame();
showKeyFrame2.KeyTime = TimeSpan.FromMilliseconds(85);
showKeyFrame2.Value = 0;
showKeyFrame2.EasingFunction = quadraticEase;
showAnimation.KeyFrames.Add(showKeyFrame1);
showAnimation.KeyFrames.Add(showKeyFrame2);
Storyboard.SetTargetProperty(showAnimation, new PropertyPath(PlaneProjection.RotationXProperty));
Storyboard.SetTarget(showAnimation, content.Projection);
_swivelShow.Children.Add(showAnimation);
}
}
}
_swivelShow.Begin();
});
}
void radioListGropus_GroupViewOpened(object sender, GroupViewOpenedEventArgs e)
{
ItemContainerGenerator itemContainerGenerator = e.ItemsControl.ItemContainerGenerator;
TurnstileTransition turnstileTransition = new TurnstileTransition();
turnstileTransition.Mode = TurnstileTransitionMode.ForwardIn;
int itemCount = e.ItemsControl.Items.Count;
for (int i = 0; i < itemCount; i++)
{
UIElement element = itemContainerGenerator.ContainerFromIndex(i) as UIElement;
ITransition animation = turnstileTransition.GetTransition(element);
animation.Begin();
}
}
public static void GroupViewOpen(this LongListSelector list, GroupViewOpenedEventArgs e)
{
//Construct and begin a swivel animation to pop in the group view.
IEasingFunction quadraticEase = new QuadraticEase {
EasingMode = EasingMode.EaseOut
};
Storyboard _swivelShow = new Storyboard();
ItemsControl groupItems = e.ItemsControl;
foreach (var item in groupItems.Items)
{
UIElement container = groupItems.ItemContainerGenerator.ContainerFromItem(item) as UIElement;
if (container != null)
{
Border content = VisualTreeHelper.GetChild(container, 0) as Border;
if (content != null)
{
DoubleAnimationUsingKeyFrames showAnimation = new DoubleAnimationUsingKeyFrames();
EasingDoubleKeyFrame showKeyFrame1 = new EasingDoubleKeyFrame();
showKeyFrame1.KeyTime = TimeSpan.FromMilliseconds(0);
showKeyFrame1.Value = -60;
showKeyFrame1.EasingFunction = quadraticEase;
EasingDoubleKeyFrame showKeyFrame2 = new EasingDoubleKeyFrame();
showKeyFrame2.KeyTime = TimeSpan.FromMilliseconds(85);
showKeyFrame2.Value = 0;
showKeyFrame2.EasingFunction = quadraticEase;
showAnimation.KeyFrames.Add(showKeyFrame1);
showAnimation.KeyFrames.Add(showKeyFrame2);
Storyboard.SetTargetProperty(showAnimation, new PropertyPath(PlaneProjection.RotationXProperty));
Storyboard.SetTarget(showAnimation, content.Projection);
_swivelShow.Children.Add(showAnimation);
}
}
}
_swivelShow.Begin();
}
private void categoriesGroup_GroupViewOpened(object sender, GroupViewOpenedEventArgs e)
{
groupViewOpened = true;
}
private void LongListSelector_GroupViewOpened(object sender, GroupViewOpenedEventArgs e)
{
LongList.GroupViewOpen(e);
}
private void countryList_GroupViewOpened(object sender, GroupViewOpenedEventArgs e)
{
isGroupViewOpened = true;
}
