()
| 405 | d3.event.preventDefault(); |
| 406 | } |
| 407 | function d3_eventSource() { |
| 408 | var e = d3.event, s; |
| 409 | while (s = e.sourceEvent) e = s; |
| 410 | return e; |
| 411 | } |
| 412 | function d3_eventDispatch(target) { |
| 413 | var dispatch = new d3_dispatch(), i = 0, n = arguments.length; |
| 414 | while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); |