private void ContainerItem_Loaded(object sender, RoutedEventArgs e)
{
var itemsPanel = (ItemsWrapGrid)_patternPickerGridView.ItemsPanelRoot;
var itemContainer = (GridViewItem)sender;
itemContainer.Loaded -= this.ContainerItem_Loaded;
var button = itemContainer.FindDescendant <Button>();
if (button != null)
{
button.Click -= MoreInfoClicked;
button.Click += MoreInfoClicked;
}
if (!_isCreatorsUpdateOrAbove)
{
return;
}
var itemIndex = _patternPickerGridView.IndexFromContainer(itemContainer);
var referenceIndex = itemsPanel.FirstVisibleIndex;
if (_patternPickerGridView.SelectedIndex >= 0)
{
referenceIndex = _patternPickerGridView.SelectedIndex;
}
var relativeIndex = Math.Abs(itemIndex - referenceIndex);
if (itemContainer.Content != CurrentPattern && itemIndex >= 0 && itemIndex >= itemsPanel.FirstVisibleIndex && itemIndex <= itemsPanel.LastVisibleIndex)
{
var staggerDelay = TimeSpan.FromMilliseconds(relativeIndex * 30);
var animationCollection = new AnimationCollection()
{
new OpacityAnimation()
{
From = 0, To = 1, Duration = TimeSpan.FromMilliseconds(400), Delay = staggerDelay, SetInitialValueBeforeDelay = true
},
new ScaleAnimation()
{
From = "0.9", To = "1", Duration = TimeSpan.FromMilliseconds(400), Delay = staggerDelay
}
};
VisualEx.SetNormalizedCenterPoint(itemContainer, "0.5");
animationCollection.StartAnimation(itemContainer);
}
}
private void OnItemContainerLoaded(object sender, RoutedEventArgs e)
{
var itemsPanel = (ItemsWrapGrid)this.ItemsPanelRoot;
var itemContainer = (GridViewItem)sender;
itemContainer.Loaded -= this.OnItemContainerLoaded;
if (!_isCreatorsUpdateOrAbove)
{
return;
}
var itemIndex = this.IndexFromContainer(itemContainer);
var referenceIndex = itemsPanel.FirstVisibleIndex;
if (this.SelectedIndex >= 0)
{
referenceIndex = this.SelectedIndex;
}
var relativeIndex = Math.Abs(itemIndex - referenceIndex);
if (itemIndex >= 0 && itemIndex >= itemsPanel.FirstVisibleIndex && itemIndex <= itemsPanel.LastVisibleIndex)
{
var staggerDelay = TimeSpan.FromMilliseconds(relativeIndex * 30);
var animationCollection = new AnimationCollection()
{
new OpacityAnimation()
{
From = 0, To = 1, Duration = TimeSpan.FromMilliseconds(400), Delay = staggerDelay, SetInitialValueBeforeDelay = true
},
new ScaleAnimation()
{
From = "0.9", To = "1", Duration = TimeSpan.FromMilliseconds(400), Delay = staggerDelay
}
};
VisualEx.SetNormalizedCenterPoint(itemContainer, "0.5");
animationCollection.StartAnimation(itemContainer);
}
}
