public void GetNextContainerBlock_Works(TestData data)
{
var nextBlock = BlockTreeWalker.GetNextNonContainerBlock(data.GetCurrent(this));
DidYouKnow.That(GetNameOf(nextBlock)).Should().Be(GetNameOf(data.GetExpected(this)));
DidYouKnow.That(nextBlock).Should().Be(data.GetExpected(this));
}
/// <summary> Uses HitTesting to determine the block at the specified point. </summary>
/// <param name="point"> The point at which the hit test should be performed. </param>
/// <returns> The block at a the given point. </returns>
public Block GetBlockAt(DocumentPoint point)
{
_block = null;
if (point.Y < 0)
{
return(_ownerView.GetBlockFor(new DocumentPoint(0, 0)));
}
else if (point.Y > _ownerView.RootVisual.ActualHeight)
{
var lastBlock = _ownerView.Context.Document.Root.LastBlock;
return(BlockTreeWalker.GetNextNonContainerBlock(lastBlock)
?? lastBlock as ContentBlock);
}
var localPoint = _ownerView.ToPoint(point);
var instance = _ownerView.InputHitTest(localPoint);
if (instance is IDocumentItemView view &&
GetAssociatedBlock(view) is Block block)
{
_block = block;
}
