def findDraggable(element, x, y):
    for elt in DOM.IterWalkChildren(element):
        try:
            draggable = elt.draggable
        except:
            draggable = False
        if draggable:
            if isIn(elt, x, y):
                return elt
    return None
Find the element within a widget's main element that is
dataset/ETHPy150Open anandology/pyjamas/library/gwt/dnd/utils.py/findDraggable