/// <summary>
/// Closes the group popup.
/// </summary>
/// <param name="selectedGroup">The selected group.</param>
/// <param name="raiseEvent">Should the GroupPopupClosing event be raised.</param>
/// <returns>True if the event was not raised or if it was raised and e.Handled is false.</returns>
private bool ClosePopup(object selectedGroup, bool raiseEvent)
{
if (raiseEvent)
{
GroupViewClosingEventArgs args = null;
SafeRaise.Raise(GroupViewClosing, this, () => { return args = new GroupViewClosingEventArgs(_itemsControl, selectedGroup); });
if (args != null && args.Cancel)
{
return false;
}
}
if (_groupSelectorPopup != null)
{
RestoreSystemState();
_groupSelectorPopup.IsOpen = false;
DetachFromPageEvents();
_groupSelectorPopup.Child = null;
_border = null;
_itemsControl = null;
_groupSelectorPopup = null;
}
return true;
}
/// <summary>
/// Close the group popup.
/// </summary>
/// <param name="selectedGroup">The selected group.</param>
/// <param name="raiseEvent">Should the GroupPopupClosing event be raised.</param>
/// <returns>True if the event was not raised or if it was raised and e.Handled is false.</returns>
private bool ClosePopup(object selectedGroup, bool raiseEvent)
{
if (raiseEvent)
{
GroupViewClosingEventArgs args = null;
SafeRaise.Raise(GroupViewClosing, this, () => { return(args = new GroupViewClosingEventArgs(_itemsControl, selectedGroup)); });
if (args != null && args.Cancel)
{
return(false);
}
}
if (_groupSelectorPopup != null)
{
RestoreSystemState();
_groupSelectorPopup.IsOpen = false;
DetachFromPageEvents();
_groupSelectorPopup.Child = null;
_border = null;
_itemsControl = null;
_groupSelectorPopup = null;
}
return(true);
}
private void LongListSelector_GroupViewClosing(object sender, GroupViewClosingEventArgs e)
{
//Cancelling automatic closing and scrolling to do it manually.
e.Cancel = true;
if (e.SelectedGroup != null)
{
currentSelector.ScrollToGroup(e.SelectedGroup);
}
//Dispatch the swivel animation for performance on the UI thread.
Dispatcher.BeginInvoke(() =>
{
//Construct and begin a swivel animation to pop out the group view.
IEasingFunction quadraticEase = new QuadraticEase { EasingMode = EasingMode.EaseOut };
Storyboard _swivelHide = 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 = 0;
showKeyFrame1.EasingFunction = quadraticEase;
EasingDoubleKeyFrame showKeyFrame2 = new EasingDoubleKeyFrame();
showKeyFrame2.KeyTime = TimeSpan.FromMilliseconds(125);
showKeyFrame2.Value = 90;
showKeyFrame2.EasingFunction = quadraticEase;
showAnimation.KeyFrames.Add(showKeyFrame1);
showAnimation.KeyFrames.Add(showKeyFrame2);
Storyboard.SetTargetProperty(showAnimation, new PropertyPath(PlaneProjection.RotationXProperty));
Storyboard.SetTarget(showAnimation, content.Projection);
_swivelHide.Children.Add(showAnimation);
}
}
}
_swivelHide.Completed += _swivelHide_Completed;
_swivelHide.Begin();
});
}
private void LongListSelector_GroupViewClosing(object sender, GroupViewClosingEventArgs e)
{
e.Cancel = true;
if (e.SelectedGroup != null)
{
this.currentSelector.ScrollToGroup(e.SelectedGroup);
}
base.Dispatcher.BeginInvoke(delegate
{
QuadraticEase ease = new QuadraticEase
{
EasingMode = EasingMode.EaseOut
};
IEasingFunction function = ease;
Storyboard storyboard = new Storyboard();
ItemsControl itemsControl = e.ItemsControl;
foreach (object obj2 in itemsControl.Items)
{
UIElement reference = itemsControl.ItemContainerGenerator.ContainerFromItem(obj2) as UIElement;
if (reference != null)
{
Border child = VisualTreeHelper.GetChild(reference, 0) as Border;
if (child != null)
{
DoubleAnimationUsingKeyFrames element = new DoubleAnimationUsingKeyFrames();
EasingDoubleKeyFrame frame = new EasingDoubleKeyFrame
{
KeyTime = System.TimeSpan.FromMilliseconds(0.0),
Value = 0.0,
EasingFunction = function
};
EasingDoubleKeyFrame frame2 = new EasingDoubleKeyFrame
{
KeyTime = System.TimeSpan.FromMilliseconds(125.0),
Value = 90.0,
EasingFunction = function
};
element.KeyFrames.Add(frame);
element.KeyFrames.Add(frame2);
Storyboard.SetTargetProperty(element, new PropertyPath(PlaneProjection.RotationXProperty));
Storyboard.SetTarget(element, child.Projection);
storyboard.Children.Add(element);
}
}
}
storyboard.Completed += new System.EventHandler(this._swivelHide_Completed);
storyboard.Begin();
});
}
private void LongListSelector_GroupViewClosing(object sender, GroupViewClosingEventArgs e)
{
if (addedType != null)
{
TiltEffect.TiltableItems.Remove(addedType);
addedType = null;
}
}
