gistfile1.js

 dragUpdated: function(drag, evt) {
    var loc = drag.get('location');
    var offset = drag.get('ghostOffset');
    var ghostView = drag.get('ghostView');
    var view = drag.get('view');
    var frame;
    // if(drag.get('startFrame')){
      // frame = drag.get('startFrame');
    // }
    // else{
      var pv = ghostView.get('parentView'), thisFrame = ghostView.get('frame'); // FIXME: [MB] compute these frames only once to optimize
      frame = pv ? pv.convertFrameToView(thisFrame, null) : thisFrame;  // FIXME: [MB] compute these frames only once to optimize
    // }
    //console.log('drag loc x: %@ y: %@'.fmt(loc.x, loc.y));
    loc.x -= offset.x;
    loc.y -= offset.y;
    
    // console.log('ghostView frame x: %@ y: %@'.fmt(frame.x, frame.y));
    // console.log('offset x: %@ y: %@'.fmt(offset.x, offset.y));
    
    loc.x += offset.x;
    loc.y += offset.y;
    drag.set('location', loc);
  }