使用Uploadcare窗口小部件上传图片后，如果上传图片，如何隐藏选择按钮并显示删除按钮？
<div id="profile_edit_img">
<%= image_tag resource.picture.present? ? resource.picture.url : "/assets/profile_blank-4844b32a08e9c5effe4be4f143d9c41f.png", id: "user_profile_pic", class: "center-block img-circle img-responsive"%>
</div>