Enabled treeview with turbo frames.

assets/js/events_base.js

@@ -0,0 +1,27 @@
+function registerLoadHandler(fn) {
+    document.documentElement.addEventListener('turbo:load', fn);
+}
+
+
+registerLoadHandler(function() {
+    /**
+     * Register the button, to jump to the top of the page.
+     */
+    $(document).on("ajaxUI:start", function registerJumpToTop() {
+        $(window).scroll(function () {
+            if ($(this).scrollTop() > 50) {
+                $('#back-to-top').fadeIn();
+            } else {
+                $('#back-to-top').fadeOut();
+            }
+        });
+        // scroll body to 0px on click
+        $('#back-to-top').click(function () {
+            $('#back-to-top').tooltip('hide');
+            $('body,html').animate({
+                scrollTop: 0
+            }, 800);
+            return false;
+        }).tooltip();
+    });
+})