Nesting drag and drop element problem
I am having a problem nesting a drag and drop element. I have a jsfiddle link below.
I am trying to build a form via drag and drop. I drag a "Fieldset" from the left menu to the black working area. I can drag multiple then sort them to reorder. I want to then drop fields in to the fieldsets. The field is located in the left menu below the fieldsets. I want to drag the field from the menu to the working area and inside the dropped/sortable fieldsets already in the working space.
When I drag the field to the fieldset, it does not append to the fieldset in the working area. Can someone help me understand what I am doing wrong?