Containment types for draggables:
parent: constrain movement so at least some part of the drag element is within its parent
parentEnclosed: constrain movement to the entire drag element is within its parent
notNegative: dont allow any part of the drag element to be in the negative x or y axis of its parent.
Containment types for draggables: parent: constrain movement so at least some part of the drag element is within its parent parentEnclosed: constrain movement to the entire drag element is within its parent notNegative: dont allow any part of the drag element to be in the negative x or y axis of its parent.