()

()

()

()

()

(e,t,l)

(e,t,l)

(id)

(e)

(e)

()

(drag, i, blocko)

()

()

(e,t)

(e,t)

(e)

(e)

(type, listener, capture, selector)

(drag, first, parent)

(e,t,l)

(e,t,l)

()

(type)

(element, classname)

(e,t,l,n)

(e,t,l,n)

(e,t,l,n)

(e,t,l,n)

(e,t)

(e,t)

(drag, parent)

(block)

()

(arrow, x, y, id)

(e,t,l,i,n,o,r)

()

(drag, first)

(arrow, x, y, children)

(e)

(e)

(type, listener, capture, selector)

(event)

(event)

()

(event)

(block)

(e,t,l,i,n,o,r)

(canvas, grab, release, snapping, rearrange, spacing_x, spacing_y)

(type, listener, capture, selector)

(event)