assets/dashboard/vendor/html5sortable.js
function (draggedElement, elementOffset, event) {
        return {
            element: draggedElement,
            posX: event.pageX - elementOffset.left,
            posY: event.pageY - elementOffset.top
        };
    }
function (draggedElement, elementOffset, event) {
        return {
            element: draggedElement,
            posX: event.pageX - elementOffset.left,
            posY: event.pageY - elementOffset.top
        };
    }
function ( draggedElement , elementOffset , event ) { return { element : draggedElement , posX : event . pageX - elementOffset . left , posY : event . pageY - elementOffset . top } ; }
defaultDragImage returns the current item as dragged image
@param {HTMLElement} draggedElement - the item that the user drags
@param {object} elementOffset - an object with the offsets top, left, right & bottom
@param {Event} event - the original drag event object
@return {object} with element, posX and posY properties
defaultDragImage returns the current item as dragged image