crib-enable: Add Improvement from work in ERP5

crib-enable.js

-/*global window, rJS, jIO, FormData */
+/*global window, rJS, jIO, FormData, navigator, RSVP */
 /*jslint indent: 2, maxerr: 3 */
 (function (window, rJS, jIO) {
   "use strict";
@@ -30,33 +30,65 @@
 
     .ready(function (gadget) {
       // Initialize the gadget local parameters
+      var path = "", path_list = window.location.pathname.split("/");
+      if (path_list) {
+        if (path_list[path_list.length - 1] !== "") {
+          if (path_list[path_list.length - 1].endsWith(".html")) {
+            path_list[path_list.length - 1] = "";
+          } else {
+            path_list.push("");
+          }
+        }
+        path = path_list.join("/");
+      }
       gadget.state_parameter_dict = {};
       gadget.state_parameter_dict.default_document = window.location.protocol +
-        "//" + window.location.host +
-        window.location.pathname.substring(
-          0,
-          window.location.pathname.length - "gadget_jio_crib.html".length
-        ) +   "/";
+        "//" + window.location.host + path;
       this.state_parameter_dict.jio_storage = jIO.createJIO({
         "type": "indexeddb",
         "database": "ojs_source_code"
       });
-      return this.state_parameter_dict.jio_storage.put(gadget.state_parameter_dict.default_document, {})
+      return this.state_parameter_dict.jio_storage.put(gadget.state_parameter_dict.default_document, {});
     })
     .ready(function (gadget) {
+      var jio_storage;
+      return RSVP.Queue()
+        .push(function () {
+          jio_storage = jIO.createJIO({
+            type: "indexeddb",
+            database: "setting"
+          });
+          return jio_storage.get("setting");
+        })
+        .push(function (result) {
+          if (result.site_editor_gadget_url) {
+            return;
+          }
+          result.site_editor_gadget_url = window.location.href;
+          return jio_storage.put("setting", result);
+        }, function (error) {
+          if (error.status_code === 404) {
+            return jio_storage.put(
+              "setting", {
+                site_editor_gadget_url: window.location.href
+              });
+          }
+        });
+    })
+    .ready(function () {
       if ('serviceWorker' in navigator) {
         // XXX Hack to not add a new service worker when one is already declared
         if (!navigator.serviceWorker.controller) {
           return new RSVP.Queue()
             .push(function () {
               return navigator.serviceWorker.register(
-                '/gadget_cribjs_bootloader_serviceworker.js',
-                {scope: '/'}
+                'gadget_cribjs_bootloader_serviceworker.js',
+                {scope: './'}
               );
             })
             .push(function (registration) {
               return waitForServiceWorkerActive(registration);
-            })
+            });
         }
       } else {
         throw "Service Worker are not available in your browser";
@@ -85,9 +117,9 @@
     .declareMethod('allDocs', function () {
       var storage = this.state_parameter_dict.jio_storage;
       return storage.allAttachments(this.state_parameter_dict.default_document)
-        .push(function(result) {
+        .push(function (result) {
           return result;
-      })
+        });
     })
     .declareMethod('remove', function (url) {
       var storage = this.state_parameter_dict.jio_storage;