Drag & Drop Attempt 2

gistfile1.coffee

handleDragEvent: (e, ui) =>
    currentMousePosition = e.clientY
    startingIndex = Collection.indexOf(currentlyDraggingData.model)
    dragOverIndex = Collection.indexOf(@model)
    currentIndexOfDraggingTransaction = Collection.indexOf(Collection.dragModel)
    transactionTop = $($('.financial-transaction-item')[currentIndexOfDraggingTransaction]).offset().top - $(window).scrollTop()
    if Collection.dragModel isnt @model
        Collection.dragView.$el.detach()
        if dragOverIndex > currentIndexOfDraggingTransaction
            @$el.after(Collection.dragView.$el)
        else
            @$el.before(Collection.dragView.$el)
    else
        TransAbove = @$el.prev()
        TransBelow = @$el.next()
        Collection.dragView.$el.detach()
        if currentMousePosition < transactionTop
            TransBelow.after(Collection.dragView.$el)
        else
            TransAbove.before(Collection.dragView.$el)

    startingIndex > dragOverIndex
        movePosition = 'before'
    else
        movePosition ='after'