jQuery UI Droppable - Accept Demo
#droppable { width: 150px; height: 150px; padding: 0.5em; float: left; margin: 10px; }
#draggable, #draggable-nonvalid { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
$(function() {
$("#draggable, #draggable-nonvalid").draggable();
$("#droppable").droppable({
accept: '#draggable',
activeClass: 'ui-state-hover',
hoverClass: 'ui-state-active',
drop: function(event, ui) {
$(this).addClass('ui-state-highlight').find('p').html('Dropped!');
}
});
});
I'm draggable but can't be dropped
Drag me to my target
accept: '#draggable'
Specify using the accept option which element (or group of elements) is accepted by the target droppable.