| 335 | } |
| 336 | |
| 337 | function findDropTarget (elementBehindCursor, clientX, clientY) { |
| 338 | var target = elementBehindCursor; |
| 339 | while (target && !accepted()) { |
| 340 | target = getParent(target); |
| 341 | } |
| 342 | return target; |
| 343 | |
| 344 | function accepted () { |
| 345 | var droppable = isContainer(target); |
| 346 | if (droppable === false) { |
| 347 | return false; |
| 348 | } |
| 349 | |
| 350 | var immediate = getImmediateChild(target, elementBehindCursor); |
| 351 | var reference = getReference(target, immediate, clientX, clientY); |
| 352 | var initial = isInitialPlacement(target, reference); |
| 353 | if (initial) { |
| 354 | return true; // should always be able to drop it right back where it was |
| 355 | } |
| 356 | return o.accepts(_item, target, _source, reference); |
| 357 | } |
| 358 | } |
| 359 | |
| 360 | function drag (e) { |
| 361 | if (!_mirror) { |