private void MainCanvas_MouseDown(object sender, MouseButtonEventArgs e)
{
LastPoint = Mouse.GetPosition(MainCanvas);
if (drawInProgress)
{
Box = new BoundingBox(MainCanvas, LastPoint);
boxes.Add(Box);
}
else
{
if (Box != null && Box.CheckAdornerHit(LastPoint))
{
// resizing exiting box
resizeInProgress = true;
}
else if (Box != null && Box.SelectTest(LastPoint))
{
// moving box
}
else
{
foreach (var mainCanvasChild in boxes)
{
mainCanvasChild.SelectTest(LastPoint);
}
var selectedItems = boxes.Where(x => x.IsSelected);
if (selectedItems.Any())
{
if (selectedItems.Count() > 1)
{
var itemsToUnselect = selectedItems.Reverse().Skip(1);
foreach (var boundingBox in itemsToUnselect)
{
boundingBox.UnSelect();
}
}
Box = selectedItems.First();
}
else
{
Box = null;
}
}
}
}