time); echo " A data snapshot exists for the $s->dur days prior to $end. "; show_button( "bolt_map.php?action=map&course_id=$course_id", "Use this snapshot", "Use this snapshot" ); } else { echo "There is currently no snapshot."; } echo "

Create a new snapshot using data from the last days.

"; page_tail(); } function snap_action() { global $course_id; $dur = get_int('dur'); $s = write_map_snapshot($course_id, $dur); map_aux($select_name, $xset_name, $s); } function map_aux($snap) { } function show_map($unit, $level) { for ($i=0; $i<$level; $i++) echo ' '; echo "$unit->name: $unit->nviews\n"; if ($unit->is_item) return; foreach ($unit->units as $u) { show_map($u, $level+1); } } $course_id = get_int('course_id'); $course = BoltCourse::lookup_id($course_id); if (!$course) error_page("no course"); $top_unit = require_once("../user/$course->doc_file"); $action = get_str('action', true); switch ($action) { case "": show_snap_form(); break; case "snap_action": snap_action(); break; case "map": show_map($top_unit, 0); break; default: error_page("Unknown action $action"); } ?>