0358:  updateDrag: function(event, pointer) {
0359:    if(!this.dragging) this.startDrag(event);
0360:    
0361:    if(!this.options.quiet){
0362:      Position.prepare();
0363:      Droppables.show(pointer, this.element);
0364:    }
0365:    
0366:    Draggables.notify('onDrag', this, event);
0367:    
0368:    this.draw(pointer);
0369:    if(this.options.change) this.options.change(this);
0370:    
0371:    if(this.options.scroll) {
0372:      this.stopScrolling();
0373:      
0374:      var p;
0375:      if (this.options.scroll == window) {
0376:        with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; }
0377:      } else {
0378:        p = Position.page(this.options.scroll);
0379:        p[0] += this.options.scroll.scrollLeft + Position.deltaX;
0380:        p[1] += this.options.scroll.scrollTop + Position.deltaY;
0381:        p.push(p[0]+this.options.scroll.offsetWidth);
0382:        p.push(p[1]+this.options.scroll.offsetHeight);
0383:      }
0384:      var speed = [0,0];
0385:      if(pointer[0] < (p[0]+this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[0]+this.options.scrollSensitivity);
0386:      if(pointer[1] < (p[1]+this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[1]+this.options.scrollSensitivity);
0387:      if(pointer[0] > (p[2]-this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[2]-this.options.scrollSensitivity);
0388:      if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity);
0389:      this.startScrolling(speed);
0390:    }
0391:    
0392:    // fix AppleWebKit rendering
0393:    if(Prototype.Browser.WebKit) window.scrollBy(0,0);
0394:    
0395:    Event.stop(event);
0396:  },
0397:  

0398:  finishDrag: function(event, success) {
0399:    this.dragging = false;
0400:    
0401:    if(this.options.quiet){
0402:      Position.prepare();
0403:      var pointer = [Event.pointerX(event), Event.pointerY(event)];
0404:      Droppables.show(pointer, this.element);
0405:    }
0406:
0407:    if(this.options.ghosting) {
0408:      if (!this.element._originallyAbsolute)
0409:        Position.relativize(this.element);
0410:      delete this.element._originallyAbsolute;
0411:      Element.remove(this._clone);
0412:      this._clone = null;
0413:    }
0414:
0415:    var dropped = false; 
0416:    if(success) { 
0417:      dropped = Droppables.fire(event, this.element); 
0418:      if (!dropped) dropped = false; 
0419:    }
0420:    if(dropped && this.options.onDropped) this.options.onDropped(this.element);
0421:    Draggables.notify('onEnd', this, event);
0422:
0423:    var revert = this.options.revert;
0424:    if(revert && Object.isFunction(revert)) revert = revert(this.element);
0425:    
0426:    var d = this.currentDelta();
0427:    if(revert && this.options.reverteffect) {
0428:      if (dropped == 0 || revert != 'failure')
0429:        this.options.reverteffect(this.element,
0430:          d[1]-this.delta[1], d[0]-this.delta[0]);
0431:    } else {
0432:      this.delta = d;
0433:    }
0434:
0435:    if(this.options.zindex)
0436:      this.element.style.zIndex = this.originalZ;
0437:
0438:    if(this.options.endeffect) 
0439:      this.options.endeffect(this.element);
0440:      
0441:    Draggables.deactivate(this);
0442:    Droppables.reset();
0443:  },
0444: