private void OnMainGridViewItemClick(object sender, ItemClickEventArgs e)
{
if (MainGridView.ContainerFromItem(e.ClickedItem) is GridViewItem container)
{
_storeditem = container.Content as Photo;
var animation = MainGridView.PrepareConnectedAnimation("ForwardConnectedAnimation", _storeditem, "PlaceImage");
animation.IsScaleAnimationEnabled = true;
animation.Configuration = new BasicConnectedAnimationConfiguration();
animation.Completed += (_sender, _e) =>
{
container.Opacity = 0.0d;
};
}
Frame.Navigate(typeof(DetailView), _storeditem, new SuppressNavigationTransitionInfo());
}
private async void MainGridView_Loaded(object sender, RoutedEventArgs e)
{
if (_storeditem != null)
{
MainGridView.ScrollIntoView(_storeditem, ScrollIntoViewAlignment.Default);
MainGridView.UpdateLayout();
ConnectedAnimation animation = ConnectedAnimationService.GetForCurrentView().GetAnimation("BackConnectedAnimation");
if (animation != null)
{
animation.IsScaleAnimationEnabled = true;
animation.Configuration = new DirectConnectedAnimationConfiguration();
animation.Completed += (_sender, _e) =>
{
MainGridView.ContainerFromItem(_storeditem).SetValue(OpacityProperty, 1.0d);
};
await MainGridView.TryStartConnectedAnimationAsync(animation, _storeditem, "PlaceImage");
}
}
}
private void ManageGridViewItemSelections()
{
foreach (var place in _places.SelectMany(p => p))
{
place.PropertyChanged += (s, e) =>
{
var gridViewItem = (GridViewItem)MainGridView.ContainerFromItem(place);
var selectionToggle = gridViewItem.FindDescendant <ToggleButton>();
var centerX = (float)selectionToggle.ActualWidth / 2;
var centerY = (float)selectionToggle.ActualHeight / 2;
if (place.IsSelected)
{
_placesToCompare.Add(place);
selectionToggle
.Offset(offsetX: -92.0f, offsetY: -50.0f)
.Scale(scaleX: 1.5f, scaleY: 1.5f, centerX: centerX, centerY: centerY)
.Start();
}
else
{
_placesToCompare.Remove(place);
selectionToggle
.Offset(offsetX: 0.0f, offsetY: 0.0f)
.Scale(scaleX: 1.0f, scaleY: 1.0f, centerX: centerX, centerY: centerY)
.Start();
}
if (_placesToCompare.Count >= 2)
{
foreach (var item in MainGridView.Items)
{
if (item is Place p && !p.IsSelected)
{
if (MainGridView.ContainerFromItem(item) is GridViewItem element)
{
element.IsEnabled = false;
}
}
}
CommandBar.Visibility = Visibility.Visible;
}
else
{
foreach (var item in MainGridView.Items)
{
if (MainGridView.ContainerFromItem(item) is GridViewItem element)
{
element.IsEnabled = true;
}
}
CommandBar.Visibility = Visibility.Collapsed;
}
MainGridView.IsItemClickEnabled = _placesToCompare.Count == 0;
Wonderbar.Visibility = _placesToCompare.Count == 0 ? Visibility.Visible : Visibility.Collapsed;
};
}
}