public void GridLayouterNotifyItemRemoved()
{
tlog.Debug(tag, $"GridLayouterNotifyItemRemoved");
var view = new CollectionView(new List <string>()
{
"123", "456"
})
{
Header = new RecyclerViewItem(),
Footer = new RecyclerViewItem(),
IsGrouped = true,
};
Assert.IsNotNull(view, "Should not be null");
view.GroupFooterTemplate = new DataTemplate(typeof(RecyclerViewItem));
view.GroupHeaderTemplate = new DataTemplate(typeof(RecyclerViewItem));
view.ItemTemplate = new DataTemplate(typeof(RecyclerViewItem));
var gridLayouter = new GridLayouter();
Assert.IsNotNull(gridLayouter, "Should not be null");
gridLayouter.Initialize(view);
gridLayouter.RequestLayout(100.0f);
var source = new CustomGroupItemSource(view)
{
Position = 1,
};
gridLayouter.NotifyItemRangeInserted(source, 0, 1);
gridLayouter.NotifyItemRemoved(source, 0);
gridLayouter.NotifyItemRangeInserted(source, 0, 2);
gridLayouter.NotifyItemRemoved(source, 1);
var emptySource = new CustomEmptySource();
gridLayouter.NotifyItemInserted(emptySource, 1);
gridLayouter.NotifyItemRemoved(emptySource, 1);
view.Dispose();
gridLayouter.Dispose();
source.Dispose();
emptySource.Dispose();
tlog.Debug(tag, $"GridLayouterNotifyItemRemoved END (OK)");
}
public void GridLayouterRequestNextFocusableView()
{
tlog.Debug(tag, $"GridLayouterRequestNextFocusableView");
var view = new CollectionView(new List <string>()
{
"123", "456"
})
{
Header = new RecyclerViewItem(),
Footer = new RecyclerViewItem(),
IsGrouped = true,
};
Assert.IsNotNull(view, "Should not be null");
view.GroupFooterTemplate = new DataTemplate(typeof(RecyclerViewItem));
view.GroupHeaderTemplate = new DataTemplate(typeof(RecyclerViewItem));
view.ItemTemplate = new DataTemplate(typeof(RecyclerViewItem));
var gridLayouter = new GridLayouter();
Assert.IsNotNull(gridLayouter, "Should not be null");
gridLayouter.Initialize(view);
gridLayouter.RequestLayout(100.0f);
var source = new CustomGroupItemSource(view)
{
Position = 1,
};
var orientationSize = gridLayouter.CalculateLayoutOrientationSize();
Assert.AreEqual(orientationSize, 6);
var scrollPosition = gridLayouter.CalculateCandidateScrollPosition(0.0f);
Assert.AreEqual(scrollPosition, 0.0f);
gridLayouter.NotifyItemRangeInserted(source, 0, 10);
gridLayouter.RequestNextFocusableView(view, View.FocusDirection.Up, true);
gridLayouter.RequestNextFocusableView(view, View.FocusDirection.Down, true);
gridLayouter.RequestNextFocusableView(view, View.FocusDirection.PageUp, true);
gridLayouter.RequestNextFocusableView(view, View.FocusDirection.PageDown, true);
gridLayouter.RequestNextFocusableView(view, View.FocusDirection.Left, true);
gridLayouter.RequestNextFocusableView(view, View.FocusDirection.Right, true);
view.Dispose();
gridLayouter.Dispose();
source.Dispose();
tlog.Debug(tag, $"GridLayouterRequestNextFocusableView END (OK)");
}
